US20140263805A1 - Winding apparatus with a support arm - Google Patents
Winding apparatus with a support arm Download PDFInfo
- Publication number
- US20140263805A1 US20140263805A1 US14/212,166 US201414212166A US2014263805A1 US 20140263805 A1 US20140263805 A1 US 20140263805A1 US 201414212166 A US201414212166 A US 201414212166A US 2014263805 A1 US2014263805 A1 US 2014263805A1
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- United States
- Prior art keywords
- support arm
- arm
- spindle
- shaft
- frame member
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H19/00—Changing the web roll
- B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
- B65H19/2207—Changing the web roll in winding mechanisms or in connection with winding operations the web roll being driven by a winding mechanism of the centre or core drive type
- B65H19/2215—Turret-type with two roll supports
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2301/00—Handling processes for sheets or webs
- B65H2301/40—Type of handling process
- B65H2301/41—Winding, unwinding
- B65H2301/414—Winding
- B65H2301/4148—Winding slitting
Definitions
- the present invention relates generally to winders for winding film on cores and more particularly to a winding apparatus having a support arm for mitigating deflection of a spindle, upon which the cores are mounted, in response to a force applied by multiple lay on rolls.
- Turret winders wind webs of paper, paperboard and non-paper products, such as film and polyethylene, onto cores and into rolls which have uniform tension and density across the width of the web.
- a benefit of this type of winder is its ability to wind pressure sensitive materials under low winding pressures and to wind low tensile strength products under low tension.
- Each winder is custom engineered to meet the needs of the particular product to be produced and to be able to operate both continuously and intermittently. To be able to operate in a continuous mode, turret winders utilize various types of roll changers.
- Products, properties, speeds and widths vary from winder to winder and from plant to plant.
- turret winders wind rolls of paper or film using a pressure roll, sometimes called rider roll, pack roll, lay-on roll, or bump roll.
- the lay-on roll is a straight beam (e.g., cylindrical shaft, spindle or tube) which applies pressure to the film as it is being wound onto one or more cores into one or more winding rolls positioned on a core shaft of the turret winder.
- the web or film can have some variation in thickness, whereby the lay-on roller may not touch the edges of each winding roll.
- a winding apparatus 10 which includes first and second frame members.
- a shaft is rotatably mounted to the first and second frame members.
- One or more arms extend radially outward from the shaft, each of which have a coupling and a connector positioned thereon. The connectors secure the arms to the shaft for rotation therewith.
- One or more support arms extend radially outward from the shaft and are positioned between the arms. Each of the support arms have a support arm coupling and a support arm connector positioned thereon.
- a spindle is rotatably supported by the couplings. The spindle is rotatably mounted in the support arm coupling which cooperates with the support arm to mitigate deflection of the first spindle in response to forces applied thereto.
- FIG. 1 is a side schematic view of a turret winder of the present invention
- FIG. 2 is schematic view of a portion of the turret winder of FIG. 1 with a loading system shown therewith;
- FIG. 3A is a top view of the turret winder of FIG. 2 shown with the loading system in side view and taken along line 3 - 3 of FIG. 2 ;
- FIG. 3B is a top view of the turret winder of FIG. 2 shown with the loading system in side view and taken along the line 3 - 3 of FIG. 2 wherein a third frame member is included;
- FIG. 4A is a side view of a support arm and a clamp, showing the clamp in a closed position
- FIG. 4B is a side view of the support arm and clamp of FIG. 4A wherein the clamp is in an open position;
- FIG. 5 is an enlarged view of the support arm and the clamp of FIG. 3A ;
- FIG. 6 is a schematic of the support arm and a first turret arm wherein the support arm is positioned to allow cores to be placed on a spindle;
- FIG. 7A is a schematic of the support arm wherein the support arm has a first portion and a second portion which are pivotally attached to a body portion, wherein the first portion and the second portion are in an engaged position;
- FIG. 7 B is a schematic of the support arm of FIG. 7A wherein the first portion and the second portion are in a disengaged position;
- FIG. 8A is a schematic of the support arm and clamp of FIG. 6 wherein the clamp is attached to the support arm via a pin and clevis joint;
- FIG. 8B is a schematic of the support arm and clamp of FIG, 8 A wherein the clamp is detached from the support arm;
- FIG. 9A is a schematic of the support arm and clamp of FIG. 6 wherein the clamp is attached to the support arm via a pair of elongate bodies pivotally mounted thereon, wherein the clamp is shown in a closed position;
- FIG. 9B is a schematic of the support arm and clamp of FIG. 9A wherein the clamp is shown in an open position;
- FIG. 10A is a side view of the turret winder of FIG. 1 , wherein a plurality of turret arms is shown, wherein each turret arm is spaced 120 degrees apart from each adjacent turret arm;
- FIG. 10B is a side view of the turret winder of FIG. 1 , wherein a plurality of turret arms is shown, wherein each turret arm is spaced 90 degrees apart from each adjacent turret arm;
- FIG. 11 is a top view of the turret winder of FIG. 2 shown with the loading system in side view and taken along line 3 - 3 of FIG. 2 wherein a spindle includes two portions thereof;
- FIG. 12 is a top view of the turret winder of FIG. 2 shown with the loading system in side view and taken along line 3 - 3 of FIG. 2 wherein the spindle includes two portions thereof, each portion being removable from the turret winder;
- FIG. 13 is a photograph of a web rolled on a core with improper pressure applied to the edge during winding.
- FIG. 14 is a photograph of webs rolled on cores with proper pressure applied to the edge during winding.
- a winding apparatus for example a turret winder
- the turret winder 10 has a base portion 12 having a first frame member 12 A and a second frame member 12 B.
- a shaft 16 extends between and is rotatably supported by the first frame member 12 A and a second frame member 12 B.
- the shaft 16 is supported, proximate ends thereof, by suitable bearings 20 A and 20 B, for example journal bearings or roller bearings.
- the shaft 16 is also supported between the ends, for example proximate a mid-section of the shaft, by another bearing 20 C, for example a journal bearing or a roller bearing.
- another bearing 20 C for example a journal bearing or a roller bearing.
- a support arm 40 is secured (i.e., fixed) to the shaft 16 proximate a bearing 20 C via a connector 41 (e.g., a weld, press fit or staking).
- a connector 41 e.g., a weld, press fit or staking.
- the support arm 40 is approximately centrally positioned between the turret arms 14 .
- the present invention is not limited in this regard, as the support arm 40 may be slightly offset from the center defined by the turret arms 14 or may comprise two or more support arms 40 , the mean position of which is approximately centrally located between the turret arms or slightly offset therewithin, without departure from the broader aspects of the present invention.
- the approximately central positioning of the support arm 40 in relation to the turret arms 14 minimizes deflection of the spindle 28 A and 28 B in response to forces applied thereto by the lay on rolls 50 A and 50 B as described further herein.
- the minimized deflection produces a substantially uniform distribution of pressure along the cores 30 A, 30 B, 30 C and 30 D, as described herein.
- the substantially uniform distribution of pressure results in enhanced contact between the lay-on rollers 50 A and 50 B and each winding roll edge 52 of the film wound around the cores 30 A, 30 B, 30 C and 30 D.
- the enhanced contact results in a better quality of roll, as shown in FIG. 14 .
- a driver D which is fixedly coupled to the shaft 16 causes the shaft 16 to rotate relative to the first frame member 12 A and the second frame member 12 B to sequence the spindles into and out of an operating position.
- the first frame member 12 A has a first frame member bearing 20 A positioned thereon.
- the second frame member 12 B has a second frame member bearing 20 B positioned thereon.
- the first frame member bearing 20 A and the second frame member bearing 20 B allow rotation of the shaft 16 relative to the first frame member 12 A and the second frame member 12 B.
- two frame members 12 A and 12 B are shown in FIG. 3A , the present invention is not limited in this regard, as any suitable number of frame members may be used, for example a third frame member 12 C may be used, as shown in FIG. 3B .
- the first frame member 12 A is spaced apart from the second frame member 12 B.
- a first turret arm 14 A is fixedly secured to the shaft 16 at a point defined by the longitudinal center of the turret arm 14 A.
- a second turret arm 14 B is fixedly secured to the shaft 16 at a point defined by the longitudinal center of the turret arm 14 A.
- the turret arm 14 A has a first portion 14 A′ and a second portion 14 A′′.
- the turret arm 14 B has a first portion 14 B′ and a second portion 14 B′′.
- the first turret arm 14 A and the second turret arm 14 B extend radially outward from their rotatably mounted position (i.e., the longitudinal center) around the shaft 16 .
- two turret arms are shown in FIGS. 3A and 3B , the present invention is not limited in this regard, as any suitable number of turret arms may be used, such as three turret arms or four turret arms.
- the first portion of the turret arm 14 A′ and the second portion of the turret arm 14 A′′ are shown as being spaced apart by an angle of 180 degrees, the present invention is not limited in this regard, as the turret arms and portions thereof may be spaced apart at any suitable angle, for example 90 degrees or 120 degrees.
- a spindle 28 A is rotatably mounted between the first portion 14 A′′ of the turret arm 14 A and the first portion 14 B′′ of the turret arm 14 B and driven by a suitable drive mechanism D 1 .
- a spindle 28 B is rotatably mounted between the second portion 14 A′ of the turret arm 14 A and the second portion 14 B′ of the turret arm 14 B and driven by a suitable drive mechanism D 2 .
- Two bores B 1 and B 2 are positioned at axially opposite locations along the turret arm 14 B.
- Two bores B 3 and B 4 are positioned at axially opposite locations along the turret arm 14 A.
- a bearing 44 C is positioned inside of the bore B 1 .
- a bearing 44 B is positioned inside of the bore B 4 .
- the spindle 28 A is rotatably mounted to the first portion 14 A′′ of the turret arm 14 A and to the first portion 14 B′′ of the turret arm 14 B via the bearing 44 C and the bearing 44 B, respectively.
- a bearing 44 D is positioned inside of the bore B 2 .
- a bearing 44 A is positioned inside of the bore B 3 .
- the spindle 28 B is rotatably mounted to the second portion 14 A′ of the turret arm 14 A and to the second portion 14 B′ of the turret arm 14 B via the bearing 44 C and the bearing 44 B, respectively.
- two turret arms are shown in FIGS. 3A and 3B , the present invention is not limited in this regard, as any suitable number of turret arms may be used, for example three turret arms or four turret arms.
- the spindles 28 A and 28 B are configured to receive a plurality of cores thereon, for example four cores 30 A, 30 B, 30 C and 30 D are shown.
- the cores 30 A, 30 B, 30 C and 30 D are removably secured to the spindle 28 A and 28 B via a clamping means (e.g., a clamp, not shown) positioned along the spindle 28 A and 28 B at axially opposite ends of the cores 30 A, 30 B, 30 C and 30 D and proximate thereto.
- a clamping means e.g., a clamp, not shown
- Each of the spindles 28 A or 28 B is configured to receive multiple cores, e.g., four cores 30 A, 30 B, 30 C and 30 D.
- the present invention is not limited in this regard as the turret arms may be modified to receive only one spindle, three spindles, four spindles or more. While the spindles 28 A and 28 B are shown having four cores 30 A, 30 B, 30 C and 30 D positioned thereon, the present invention is not limited in this regard as any number of cores may be positioned on the spindles 28 A and 28 B.
- the spindle 28 A includes a first portion 28 A′ and a second portion 28 A′′.
- the first portion 28 A′ and the second portion 28 A′′ are centrally supported by the support arm 40 .
- the first portion 28 A′ is driven by a first suitable driver D 2 ′ and the second portion 28 A′′ is driven by a second suitable driver D 2 ′′.
- spindle configuration refers to a spindle 28 having a first portion 28 A′ and a second portion 28 A′′ mounted thereon, a first suitable driver D 2 ′ which drives the first portion 28 A′ and a second suitable driver D 2 ′′ which drives the second portion 28 A′′.
- first suitable driver D 2 ′ which drives the first portion 28 A′
- second suitable driver D 2 ′′ which drives the second portion 28 A′′.
- FIGS. 11 and 12 only one spindle configuration is shown, the present invention is not limited in this regard, as any suitable number of spindle configurations may be used, such as two spindle configurations, three spindle configurations or four spindle configurations.
- the first portion 28 A′ and the second portion 28 A′′ are pivotally mounted to the turret arms 14 A and 14 B, respectively.
- the first portion 28 A′ pivots about a first point X on the turret arm 14 A.
- the cores 30 A and 30 B may be mounted to and removed from the second portion 28 A′′ of the spindle 28 A.
- the second portion 28 A′′ pivots about a second point Y on the turret arm 14 B.
- the second portion 28 A′ is in a disengaged position, as shown in FIG.
- the cores 30 C and 30 D may be mounted to and removed from the second portion 28 A′′ of the spindle 28 A.
- the first portion 28 A′ and the second portion 28 A′′ are configured to releasably engage one another at an approximately central location.
- the first portion 28 A′ and the second portion 28 A′′ engage one another in a bore within the support arm 40 , although the present invention is not limited in this regard, as the first portion 28 A′ and the second portion 28 A′′ may engage one another in the absence of the support arm 40 .
- the first portion 28 A′ is removably mounted to the turret arm 14 A and the support arm 40 .
- the second portion 28 A′′ is removably mounted to the turret arm 14 B and the support arm 40 .
- the support arm 40 is rotatable with the shaft 16 and opposing ends thereof are selectively and releasably secured to one of the spindles 28 A and 28 B.
- the first portion of the support arm 40 B and a second portion of the support arm 40 C are releasably secured to a portion of each of the spindles 28 A and 28 B by a clamp 42 .
- the purpose of the support arm 40 is to eliminate or reduce the deflection of the spindles 28 A and 28 B where a long spindle of a small diameter is used to wind a product substrate or film.
- the first portion of the support arm 40 B reduces deflection of the spindle 28 A due to weight (e.g., weight of the film and/or spindles) and reduces or eliminates a critical rotational speed allowing substrate (e.g., film 60 ) processing at elevated speeds not possible by a shaft of similar length but not have a support arm but supporting similar weight or turning at similar speeds.
- the second portion of the support arm 40 C reduces deflection of the spindle 28 B due to weight (e.g., weight of the film and/or spindles) and reduces or eliminates a critical rotational speed allowing substrate (e.g., film 60 ) processing at elevated speeds not possible by a shaft of similar length but not have a support arm but supporting similar weight or turning at similar speeds.
- the term upstream refers to progression in the direction annotated by the arrow R 2
- the term downstream refers to progression in the direction opposite that annotated by the arrow R 2 .
- An idler roller 66 is positioned downstream the lay-on rollers 50 A and 50 B. The idler roller 66 keeps the substrate 60 in tension, thereby eliminating irregularities in the substrate (e.g., wrinkles).
- a bearing 41 A (e.g., a journal bearing, roller bearing or needle roller bearing) is positioned on a recessed portion of the spindles 28 A and 28 B at a location (e.g., an approximately central location) on the spindles 28 A and 28 B, between the ends S 1 , S 2 , S 3 and S 4 of thereof.
- the bearing 41 A is recessed from an exterior surface of the spindles 28 A and 28 B by a distance R, so that the cores 30 A, 30 B, 30 C and 30 D can be slid onto and removed from the spindles 28 A and 28 B.
- the clamp 42 which is positioned on the ends of the support arm 40 is secured around the bearing 44 so that the spindles 28 A and 28 B are rotatably supported by the clamp 42 which is retracted for installation of the cores 30 A, 30 B, 30 C and 30 D on the spindles 28 A and 28 B.
- the bearing 41 A is positioned within a recess 68 having a depth R.
- the bearing has an outer race 41 A and a plurality of lay-on rollers 67 rotatably positioned around a narrowed portion 69 of the spindle 28 A.
- the bearing is a split bearing (i.e., the outer ring of the bearing is split into two or more sections) to allow assembly in the recess 68 .
- the bearing is shown as a needle roller bearing in FIG. 5 , any suitable type of bearing, such as a ball bearing or a journal bearing, may be used without departure from the broader aspects of the present invention.
- the clamp 42 clampingly engages the spindle 28 A, thereby fixing the spindle 28 A in place relative the support arm 40 .
- the clamp 42 allows for the spindle 28 A to be manipulated so that the cores 30 A, 30 B, 30 C and 30 D are positioned therealong.
- the clamp 42 is in an open position, as shown in FIG. 4B , the spindle 28 A is released from the clamp 42 and the support arm 40 .
- the clamp 42 When the clamp 42 is in a closed position, as shown in FIG. 4A , the clamp 42 rotatably secures the spindle to the support arm 40 .
- the support arm 40 is pivotally mounted to the shaft 16 .
- the support arm 40 is free to rotate away from the winding apparatus via a bearing 41 ′ for installation and removal of the cores 30 A, 30 B, 30 C and 30 D from the spindles 28 A and 28 B.
- the support arm includes a body portion 40 A, a first portion 40 B and a second portion 40 C.
- the first portion 40 B and the second portion 40 C are pivotally mounted to the body portion 40 A.
- FIG. 7A shows the first portion 40 B and the second portion 40 C engaged with the body portion 40 A.
- FIG. 7B shows the first portion 40 B and the second portion 40 C disengaged from the body portion 40 A to allow the first portion 40 B and the second portion 40 C to swing.
- the support arm 40 includes a pin P which removably attaches a detachable portion 40 ′ and the clamp 42 to the support arm 40 via a clevis joint.
- FIG. 8A shows the pin P in an engaged position and thus the detachable portion 40 ′ in an attached position.
- FIG. 8B shows the pin P removed from the support arm 40 and thus the detachable portion 40 ′ in a detached position for installation and removal of the cores 30 A, 30 B, 30 C and 30 D.
- FIGS. 8A shows the pin P in an engaged position and thus the detachable portion 40 ′ in an attached position.
- FIG. 8B shows the pin P removed from the support arm 40 and thus the detachable portion 40 ′ in a detached position for installation and removal of the cores 30 A, 30 B, 30 C and 30 D.
- the support arm 40 includes a first elongate body 40 D and a second elongate body 40 E pivotally mounted thereon and fixedly coupled to adjacent ends of the clamp 42 proximate the support arm 40 .
- FIG. 9A shows the clamp in a closed position.
- FIG. 9B shows the clamp in an open position to allow for installation and removal of the cores 30 A, 30 B, 30 C and 30 D.
- an outwardly facing edge E 6 of the core 30 A is spaced apart from an outwardly facing edge El of the lay-on roll 50 A by a distance W 5 .
- An outwardly facing edge E 3 of the core 30 B is spaced apart from an inwardly facing edge E 2 of the lay-on roll 50 A by the distance W 5 .
- An outwardly facing edge E 12 of the core 30 C is spaced apart from an inwardly facing edge E 5 of the lay-on roll 50 B by the distance W 5 .
- An outwardly facing edge E 9 of the core 30 D is spaced apart from an outwardly facing edge E 8 of the lay-on roll 50 B by the distance W 5 .
- the lay-on roll 50 A is spaced apart from the lay-on roll 50 B by a distance W 4 .
- lay-on rolls 50 A and 50 B are rotatably mounted on a single shaft 55 .
- the lay-on rollers 50 A and 50 B ride on the winding product 60 for the purpose of reducing in-wound air between subsequent wraps of substrate or film 60 .
- the shaft 55 is urged towards the cores 30 A, 30 B, 30 C and 30 D in the direction indicated by the arrow R 2 by an actuator 65 so that the lay-on roll 50 A rollingly contacts the film 60 being wound on the cores 30 A and 30 B; and so that the lay-on roll 50 B rollingly contacts the film 60 being wound on the cores 30 A and 30 B.
- the lay-on rolls 50 A and 50 B have a width W 1 which is greater than the width W 3 , so that the lay-on roll 50 A extends over and contacts each of the edges 52 of the film 60 being rolled on the cores 30 A and 30 B; and so that the lay-on roll 50 B extends over and contacts each of the edges 52 of the film 60 being rolled on the cores 30 C and 30 D. While two lay-on rolls 50 A and 50 B are shown and described as being positioned on the shaft 55 , the present invention is not limited in this regard as more than two lay-on rolls, for example three, four, five, six or more lay on rolls may be positioned on the shaft 55 . In one embodiment, as shown in FIGS.
- the lay-on roll 50 A is driven by a suitable driver D 4 ′ and the lay-on roll 50 B is driven by the driver D 4 ′′.
- the drivers D 4 ′ and D 4 ′′ apply a force F to the lay-on rolls 50 A and 50 B, respectively.
- the force F urges the lay-on rolls 50 A and 50 B into contact with the roll of substrate 60 .
- the force F acts along a straight path.
- the force F includes a force resulting from torque.
- the force F is a resultant force of a first force acting along a straight path and a second force resulting from torque.
- the shaft 55 is supported by four linkage arms 51 that are pivotally coupled to a frame 64 at one end and pivotally connected to the shaft 55 at an opposing end thereof, for example, by a suitable bearing.
- a loading system 62 includes a pneumatic or motor actuator 65 , which is coupled to a portion of linkage arms 51 to urge the shaft 55 , and thereby the lay-on rollers 50 A and 50 B, towards the cores 30 A, 30 B, 30 C and 30 D in the direction indicated by the arrow R 2 ( FIGS. 1-3B ) to impart a force on each of the edges 52 of the film 60 being wound on the cores 30 A, 30 B, 30 C and 30 D, as shown in FIG. 5 .
- lay-on rolls 50 A and 50 B contact each edge 52 of the cores 30 A, 30 B, 30 C and 30 D, respectively.
- One lay-on roll for four edges 52 produces a better edge quality than one lay-on roll for eight edges as the film is not completely flat over the full width. This is of significant importance in the manufacturing of stretch film.
- the spindles 28 A and 28 B are also supported at opposing ends thereof by suitable bearings 44 A, 44 B, 44 C and 44 D (e.g., roller bearings or journal bearings).
- Each of the cores 30 A, 30 B, 30 C and 30 D has a width W 2 .
- an inwardly facing edge E 5 of the core 30 A is spaced apart from an inwardly facing edge E 4 of the core 30 B by a distance G 3 .
- the cores 30 A and 30 B and the distance G 3 occupy a total distance W 3 .
- An inwardly facing edge E 11 of the core 30 c is spaced apart from an inwardly facing edge E 10 of the core 30 D by a distance G 3 .
- the cores 30 C and 30 D and the distance G 3 occupy a total distance W 3 .
Landscapes
- Winding Of Webs (AREA)
- Replacement Of Web Rolls (AREA)
Abstract
A winding apparatus includes first and second frame members. A shaft is rotatably mounted to the first and second frame members. One or more arms extend radially outward from the shaft, each of which have a coupling and a connector positioned thereon. The connectors secure the arms to the shaft for rotation therewith. One or more support arms extend radially outward from the shaft and are positioned between the arms. Each of the support arms have a support arm coupling and a support arm connector positioned thereon. A spindle is rotatably supported by the couplings. The spindle is rotatably mounted in the support arm coupling which cooperates with the support arm to mitigate deflection of the first spindle in response to forces applied thereto.
Description
- This application claims priority to U.S. Provisional Patent Application Ser. No. 61/789,532, entitled “Multiple Lay-On Rolls for Use with Multiple Cores Positioned on a Single Core Shaft of a Winding Apparatus,” and filed Mar. 15, 2013, the subject matter of which is incorporated herein by reference in its entirety.
- The present invention relates generally to winders for winding film on cores and more particularly to a winding apparatus having a support arm for mitigating deflection of a spindle, upon which the cores are mounted, in response to a force applied by multiple lay on rolls.
- Turret winders wind webs of paper, paperboard and non-paper products, such as film and polyethylene, onto cores and into rolls which have uniform tension and density across the width of the web. A benefit of this type of winder is its ability to wind pressure sensitive materials under low winding pressures and to wind low tensile strength products under low tension. Each winder is custom engineered to meet the needs of the particular product to be produced and to be able to operate both continuously and intermittently. To be able to operate in a continuous mode, turret winders utilize various types of roll changers.
- Products, properties, speeds and widths vary from winder to winder and from plant to plant. The proper procedure of threading and attaching each particular product to the winder, therefore, varies as well from winder to winder.
- In addition, many turret winders wind rolls of paper or film using a pressure roll, sometimes called rider roll, pack roll, lay-on roll, or bump roll. Typically, the lay-on roll is a straight beam (e.g., cylindrical shaft, spindle or tube) which applies pressure to the film as it is being wound onto one or more cores into one or more winding rolls positioned on a core shaft of the turret winder. When multiple cores are positioned on the core shaft for winding, the web or film can have some variation in thickness, whereby the lay-on roller may not touch the edges of each winding roll. In the case of a long core shaft and when in line slitting, where, for example, six rolls of 20″-wide-film are being produced, it becomes quite difficult for the lay-on roller to contact all 12 edges of the six winding rolls of film due to the variations in thickness of the web or deflection of the core shaft.
- According to aspects illustrated herein there is provided a
winding apparatus 10 which includes first and second frame members. A shaft is rotatably mounted to the first and second frame members. One or more arms extend radially outward from the shaft, each of which have a coupling and a connector positioned thereon. The connectors secure the arms to the shaft for rotation therewith. One or more support arms extend radially outward from the shaft and are positioned between the arms. Each of the support arms have a support arm coupling and a support arm connector positioned thereon. A spindle is rotatably supported by the couplings. The spindle is rotatably mounted in the support arm coupling which cooperates with the support arm to mitigate deflection of the first spindle in response to forces applied thereto. -
FIG. 1 is a side schematic view of a turret winder of the present invention; -
FIG. 2 is schematic view of a portion of the turret winder ofFIG. 1 with a loading system shown therewith; -
FIG. 3A is a top view of the turret winder ofFIG. 2 shown with the loading system in side view and taken along line 3-3 ofFIG. 2 ; -
FIG. 3B is a top view of the turret winder ofFIG. 2 shown with the loading system in side view and taken along the line 3-3 ofFIG. 2 wherein a third frame member is included; -
FIG. 4A is a side view of a support arm and a clamp, showing the clamp in a closed position; -
FIG. 4B is a side view of the support arm and clamp ofFIG. 4A wherein the clamp is in an open position; -
FIG. 5 is an enlarged view of the support arm and the clamp ofFIG. 3A ; -
FIG. 6 is a schematic of the support arm and a first turret arm wherein the support arm is positioned to allow cores to be placed on a spindle; -
FIG. 7A is a schematic of the support arm wherein the support arm has a first portion and a second portion which are pivotally attached to a body portion, wherein the first portion and the second portion are in an engaged position; - 7B is a schematic of the support arm of
FIG. 7A wherein the first portion and the second portion are in a disengaged position; -
FIG. 8A is a schematic of the support arm and clamp ofFIG. 6 wherein the clamp is attached to the support arm via a pin and clevis joint; -
FIG. 8B is a schematic of the support arm and clamp of FIG, 8A wherein the clamp is detached from the support arm; -
FIG. 9A is a schematic of the support arm and clamp ofFIG. 6 wherein the clamp is attached to the support arm via a pair of elongate bodies pivotally mounted thereon, wherein the clamp is shown in a closed position; -
FIG. 9B is a schematic of the support arm and clamp ofFIG. 9A wherein the clamp is shown in an open position; -
FIG. 10A is a side view of the turret winder ofFIG. 1 , wherein a plurality of turret arms is shown, wherein each turret arm is spaced 120 degrees apart from each adjacent turret arm; -
FIG. 10B is a side view of the turret winder ofFIG. 1 , wherein a plurality of turret arms is shown, wherein each turret arm is spaced 90 degrees apart from each adjacent turret arm; -
FIG. 11 is a top view of the turret winder ofFIG. 2 shown with the loading system in side view and taken along line 3-3 ofFIG. 2 wherein a spindle includes two portions thereof; -
FIG. 12 is a top view of the turret winder ofFIG. 2 shown with the loading system in side view and taken along line 3-3 ofFIG. 2 wherein the spindle includes two portions thereof, each portion being removable from the turret winder; -
FIG. 13 is a photograph of a web rolled on a core with improper pressure applied to the edge during winding; and -
FIG. 14 is a photograph of webs rolled on cores with proper pressure applied to the edge during winding. - In reference to
FIGS. 1-3B , a winding apparatus, for example a turret winder, is generally designated by thenumeral 10. Theturret winder 10 has a base portion 12 having afirst frame member 12A and asecond frame member 12B. Ashaft 16 extends between and is rotatably supported by thefirst frame member 12A and asecond frame member 12B. As illustrated inFIGS. 1-3B , theshaft 16 is supported, proximate ends thereof, bysuitable bearings shaft 16 is also supported between the ends, for example proximate a mid-section of the shaft, by another bearing 20C, for example a journal bearing or a roller bearing. As shown inFIGS. 3A and 3B , asupport arm 40 is secured (i.e., fixed) to theshaft 16 proximate abearing 20C via a connector 41 (e.g., a weld, press fit or staking). In one embodiment, as shown inFIGS. 3A and 3B , thesupport arm 40 is approximately centrally positioned between the turret arms 14. However, the present invention is not limited in this regard, as thesupport arm 40 may be slightly offset from the center defined by the turret arms 14 or may comprise two ormore support arms 40, the mean position of which is approximately centrally located between the turret arms or slightly offset therewithin, without departure from the broader aspects of the present invention. - The approximately central positioning of the
support arm 40 in relation to the turret arms 14 minimizes deflection of thespindle rolls cores rollers roll edge 52 of the film wound around thecores FIG. 14 . - As shown in
FIG. 3A , a driver D which is fixedly coupled to theshaft 16 causes theshaft 16 to rotate relative to thefirst frame member 12A and thesecond frame member 12B to sequence the spindles into and out of an operating position. Thefirst frame member 12A has a first frame member bearing 20A positioned thereon. Thesecond frame member 12B has a second frame member bearing 20B positioned thereon. The first frame member bearing 20A and the second frame member bearing 20B allow rotation of theshaft 16 relative to thefirst frame member 12A and thesecond frame member 12B. Although twoframe members FIG. 3A , the present invention is not limited in this regard, as any suitable number of frame members may be used, for example athird frame member 12C may be used, as shown inFIG. 3B . - Referring to
FIGS. 3A and 3B , thefirst frame member 12A is spaced apart from thesecond frame member 12B. Afirst turret arm 14A is fixedly secured to theshaft 16 at a point defined by the longitudinal center of theturret arm 14A. Asecond turret arm 14B is fixedly secured to theshaft 16 at a point defined by the longitudinal center of theturret arm 14A. Theturret arm 14A has afirst portion 14A′ and asecond portion 14A″. Theturret arm 14B has afirst portion 14B′ and asecond portion 14B″. Thefirst turret arm 14A and thesecond turret arm 14B extend radially outward from their rotatably mounted position (i.e., the longitudinal center) around theshaft 16. Although two turret arms are shown inFIGS. 3A and 3B , the present invention is not limited in this regard, as any suitable number of turret arms may be used, such as three turret arms or four turret arms. Although the first portion of theturret arm 14A′ and the second portion of theturret arm 14A″ are shown as being spaced apart by an angle of 180 degrees, the present invention is not limited in this regard, as the turret arms and portions thereof may be spaced apart at any suitable angle, for example 90 degrees or 120 degrees. - A
spindle 28A is rotatably mounted between thefirst portion 14A″ of theturret arm 14A and thefirst portion 14B″ of theturret arm 14B and driven by a suitable drive mechanism D1. Aspindle 28B is rotatably mounted between thesecond portion 14A′ of theturret arm 14A and thesecond portion 14B′ of theturret arm 14B and driven by a suitable drive mechanism D2. Two bores B1 and B2 are positioned at axially opposite locations along theturret arm 14B. Two bores B3 and B4 are positioned at axially opposite locations along theturret arm 14A. A bearing 44C is positioned inside of the bore B1. A bearing 44B is positioned inside of the bore B4. Thespindle 28A is rotatably mounted to thefirst portion 14A″ of theturret arm 14A and to thefirst portion 14B″ of theturret arm 14B via the bearing 44C and the bearing 44B, respectively. A bearing 44D is positioned inside of the bore B2. A bearing 44A is positioned inside of the bore B3. Thespindle 28B is rotatably mounted to thesecond portion 14A′ of theturret arm 14A and to thesecond portion 14B′ of theturret arm 14B via the bearing 44C and the bearing 44B, respectively. Although two turret arms are shown inFIGS. 3A and 3B , the present invention is not limited in this regard, as any suitable number of turret arms may be used, for example three turret arms or four turret arms. - The
spindles cores cores spindle spindle cores spindles cores turret 10 is shown with twoturret arms spindles spindles cores spindles - In one embodiment, as shown in
FIGS. 11 and 12 , thespindle 28A includes afirst portion 28A′ and asecond portion 28A″. Thefirst portion 28A′ and thesecond portion 28A″ are centrally supported by thesupport arm 40. Thefirst portion 28A′ is driven by a first suitable driver D2′ and thesecond portion 28A″ is driven by a second suitable driver D2″. - As used herein, the term spindle configuration refers to a
spindle 28 having afirst portion 28A′ and asecond portion 28A″ mounted thereon, a first suitable driver D2′ which drives thefirst portion 28A′ and a second suitable driver D2″ which drives thesecond portion 28A″. Although inFIGS. 11 and 12 , only one spindle configuration is shown, the present invention is not limited in this regard, as any suitable number of spindle configurations may be used, such as two spindle configurations, three spindle configurations or four spindle configurations. - In one embodiment, as shown in
FIG. 11 , thefirst portion 28A′ and thesecond portion 28A″ are pivotally mounted to theturret arms first portion 28A′ pivots about a first point X on theturret arm 14A. When thefirst portion 28A′ is in a disengaged position, as shown inFIG. 11 , thecores second portion 28A″ of thespindle 28A. Thesecond portion 28A″ pivots about a second point Y on theturret arm 14B. When thesecond portion 28A′ is in a disengaged position, as shown inFIG. 11 , thecores second portion 28A″ of thespindle 28A. In one embodiment, thefirst portion 28A′ and thesecond portion 28A″ are configured to releasably engage one another at an approximately central location. In one embodiment, thefirst portion 28A′ and thesecond portion 28A″ engage one another in a bore within thesupport arm 40, although the present invention is not limited in this regard, as thefirst portion 28A′ and thesecond portion 28A″ may engage one another in the absence of thesupport arm 40. - In an alternative embodiment, as shown in
FIG. 12 , thefirst portion 28A′ is removably mounted to theturret arm 14A and thesupport arm 40. Thesecond portion 28A″ is removably mounted to theturret arm 14B and thesupport arm 40. - The
support arm 40 is rotatable with theshaft 16 and opposing ends thereof are selectively and releasably secured to one of thespindles support arm 40B and a second portion of thesupport arm 40C are releasably secured to a portion of each of thespindles clamp 42. The purpose of thesupport arm 40 is to eliminate or reduce the deflection of thespindles support arm 40B reduces deflection of thespindle 28A due to weight (e.g., weight of the film and/or spindles) and reduces or eliminates a critical rotational speed allowing substrate (e.g., film 60) processing at elevated speeds not possible by a shaft of similar length but not have a support arm but supporting similar weight or turning at similar speeds. The second portion of thesupport arm 40C reduces deflection of thespindle 28B due to weight (e.g., weight of the film and/or spindles) and reduces or eliminates a critical rotational speed allowing substrate (e.g., film 60) processing at elevated speeds not possible by a shaft of similar length but not have a support arm but supporting similar weight or turning at similar speeds. - As used here in, the term upstream refers to progression in the direction annotated by the arrow R2, and the term downstream refers to progression in the direction opposite that annotated by the arrow R2. An
idler roller 66 is positioned downstream the lay-onrollers idler roller 66 keeps thesubstrate 60 in tension, thereby eliminating irregularities in the substrate (e.g., wrinkles). - As shown in
FIG. 5 , abearing 41A (e.g., a journal bearing, roller bearing or needle roller bearing) is positioned on a recessed portion of thespindles spindles spindles cores spindles clamp 42 which is positioned on the ends of thesupport arm 40 is secured around the bearing 44 so that thespindles clamp 42 which is retracted for installation of thecores spindles - As shown in
FIG. 5 , the bearing 41A is positioned within arecess 68 having a depth R. The bearing has anouter race 41A and a plurality of lay-onrollers 67 rotatably positioned around a narrowedportion 69 of thespindle 28A. In one embodiment, the bearing is a split bearing (i.e., the outer ring of the bearing is split into two or more sections) to allow assembly in therecess 68. Although the bearing is shown as a needle roller bearing inFIG. 5 , any suitable type of bearing, such as a ball bearing or a journal bearing, may be used without departure from the broader aspects of the present invention. - Referring to
FIGS. 4A and 4B , theclamp 42 clampingly engages thespindle 28A, thereby fixing thespindle 28A in place relative thesupport arm 40. Theclamp 42 allows for thespindle 28A to be manipulated so that thecores clamp 42 is in an open position, as shown inFIG. 4B , thespindle 28A is released from theclamp 42 and thesupport arm 40. When theclamp 42 is in a closed position, as shown inFIG. 4A , theclamp 42 rotatably secures the spindle to thesupport arm 40. - In one embodiment, as shown in
FIG. 6 , thesupport arm 40 is pivotally mounted to theshaft 16. In this embodiment, thesupport arm 40 is free to rotate away from the winding apparatus via abearing 41′ for installation and removal of thecores spindles FIGS. 7A and 7B , the support arm includes abody portion 40A, afirst portion 40B and asecond portion 40C. Thefirst portion 40B and thesecond portion 40C are pivotally mounted to thebody portion 40A.FIG. 7A shows thefirst portion 40B and thesecond portion 40C engaged with thebody portion 40A.FIG. 7B shows thefirst portion 40B and thesecond portion 40C disengaged from thebody portion 40A to allow thefirst portion 40B and thesecond portion 40C to swing. - In another embodiment, as shown in
FIGS. 8A and 8B , thesupport arm 40 includes a pin P which removably attaches adetachable portion 40′ and theclamp 42 to thesupport arm 40 via a clevis joint.FIG. 8A shows the pin P in an engaged position and thus thedetachable portion 40′ in an attached position.FIG. 8B shows the pin P removed from thesupport arm 40 and thus thedetachable portion 40′ in a detached position for installation and removal of thecores FIGS. 9A and 9B , thesupport arm 40 includes a firstelongate body 40D and a secondelongate body 40E pivotally mounted thereon and fixedly coupled to adjacent ends of theclamp 42 proximate thesupport arm 40.FIG. 9A shows the clamp in a closed position.FIG. 9B shows the clamp in an open position to allow for installation and removal of thecores - As shown in
FIGS. 3A and 3B , an outwardly facing edge E6 of thecore 30A is spaced apart from an outwardly facing edge El of the lay-onroll 50A by a distance W5. An outwardly facing edge E3 of the core 30B is spaced apart from an inwardly facing edge E2 of the lay-onroll 50A by the distance W5. An outwardly facing edge E12 of thecore 30C is spaced apart from an inwardly facing edge E5 of the lay-onroll 50B by the distance W5. An outwardly facing edge E9 of thecore 30D is spaced apart from an outwardly facing edge E8 of the lay-onroll 50B by the distance W5. The lay-onroll 50A is spaced apart from the lay-onroll 50B by a distance W4. These distances are important, as they allow for optimum distribution of the force F along the roll ofsubstrate 60 and theedges 52 thereof. - As shown in
FIGS. 1-3B , two lay-onrolls single shaft 55. The lay-onrollers product 60 for the purpose of reducing in-wound air between subsequent wraps of substrate orfilm 60. Theshaft 55 is urged towards thecores actuator 65 so that the lay-onroll 50A rollingly contacts thefilm 60 being wound on thecores roll 50B rollingly contacts thefilm 60 being wound on thecores FIGS. 3A and 3B , the lay-onrolls roll 50A extends over and contacts each of theedges 52 of thefilm 60 being rolled on thecores roll 50B extends over and contacts each of theedges 52 of thefilm 60 being rolled on thecores rolls shaft 55, the present invention is not limited in this regard as more than two lay-on rolls, for example three, four, five, six or more lay on rolls may be positioned on theshaft 55. In one embodiment, as shown inFIGS. 11 and 12 , the lay-onroll 50A is driven by a suitable driver D4′ and the lay-onroll 50B is driven by the driver D4″. The drivers D4′ and D4″ apply a force F to the lay-onrolls rolls substrate 60. In one embodiment, the force F acts along a straight path. In one embodiment, the force F includes a force resulting from torque. In one embodiment, the force F is a resultant force of a first force acting along a straight path and a second force resulting from torque. - As shown in
FIGS. 3A and 3B , theshaft 55 is supported by fourlinkage arms 51 that are pivotally coupled to a frame 64 at one end and pivotally connected to theshaft 55 at an opposing end thereof, for example, by a suitable bearing. Aloading system 62 includes a pneumatic ormotor actuator 65, which is coupled to a portion oflinkage arms 51 to urge theshaft 55, and thereby the lay-onrollers cores FIGS. 1-3B ) to impart a force on each of theedges 52 of thefilm 60 being wound on thecores FIG. 5 . - In the embodiment shown in
FIG. 3A , the lay-onrolls edge 52 of thecores edges 52 produces a better edge quality than one lay-on roll for eight edges as the film is not completely flat over the full width. This is of significant importance in the manufacturing of stretch film. - As shown in the photograph of
FIG. 13 , poor quality edges 52 where were produced using only one lay-on roll for multiple cores and no support arm, such that the edges were not in contact with the lay-on roll as the film was or is thinner and the roll wound smaller in diameter. As shown in the photograph ofFIG. 14 , high quality edges 52 are generated where contact with a lay-on roll was made throughout the entire winding cycle from core to full roll. - By the use of multiple lay-on
rolls spindles rollers roll edge 52 is greatly enhanced, whereby a better quality roll (e.g., seeFIG. 13 ) of product is produced (e.g., CD edge quality as is sometimes used to describe the desired winding quality of roll edge). - By using only one
spindle 28A for multiple cores (or 28B for multiple cores) and multiple lay-onrollers - As shown in
FIGS. 3A and 3B , thespindles suitable bearings cores FIGS. 3A and 3B , an inwardly facing edge E5 of thecore 30A is spaced apart from an inwardly facing edge E4 of the core 30B by a distance G3. Thecores core 30D by a distance G3. Thecores - While the present disclosure has been described with reference to various exemplary embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed as the best mode contemplated for carrying out this invention, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (10)
1. A winding apparatus for winding a substrate on cores, the winding apparatus comprising:
a base having a first frame member and a second frame member, the first frame member and the second frame member being spaced apart from one another;
a shaft extending in an axial direction between and rotatably mounted to the first frame member and the second frame member;
at least one first arm extending radially outward from the shaft, the at least one first arm having a first arm coupling and a first arm connector positioned on the at least one first arm, the first arm connector being secured to the shaft for rotation therewith;
at least one second arm extending radially outward from the shaft, the at least one second arm having second arm coupling and a second arm connector positioned on the at least one second arm, the second arm connector being secured to the shaft for rotation therewith;
at least one support arm extending radially outward from the shaft, the at least one support arm positioned in the axial direction between the at least one first arm and the at least one second arm, the at least one support arm having a support arm coupling and a support arm connector and positioned on the at least one support arm;
a first spindle extending between and being rotatably supported by the first arm coupling and the second arm coupling; and
wherein the first spindle is rotatably mounted in the support arm coupling, and the support arm coupling cooperates with the at least one support arm to mitigate deflection of the first spindle in response to forces applied thereto.
2. The winding apparatus of claim 1 , wherein:
a first support arm bearing is positioned on the shaft;
the support arm being rotatably secured to the shaft via the support arm bearing; and
wherein the at least one support arm is rotatable relative to the shaft and moveable in relation to the first spindle for installation and removal of cores from the first spindle.
3. The winding apparatus of claim 1 , further comprising:
a third frame member positioned between the first frame member and the second frame member;
a frame bearing positioned in the third frame member; and
the shaft being rotatably mounted in the frame bearing.
4. The winding apparatus of claim 1 , further comprising a second support arm bearing positioned on the first spindle and wherein the support arm coupling releasably engages the second support arm bearing.
5. The winding apparatus of claim 4 , wherein the first spindle has a recess formed therein and the second support arm bearing being positioned in the recess.
6. The winding apparatus of claim 5 , wherein the recess and second support arm bearing are configured to have at least one core slid thereover.
7. The winding apparatus of claim 1 , further comprising:
a plurality of the cores spaced apart from one another and removably secured to the first spindle, the plurality of the cores being rotatable with the first spindle; and
at least two lay-on rolls rotatably mounted on a lay-on roll shaft, each of the at least two lay-on rolls being aligned with and rollingly engaging a film wrapped around at least one of the plurality of cores.
8. The winding apparatus of claim 7 , wherein the film defines a pair of opposing edges, and wherein one of the at least two lay-on rolls rollingly engages the pair of opposing edges.
9. The winding apparatus of claim 7 , further comprising:
at least one actuator in communication with the lay-on roll shaft; and
wherein the at least one actuator is configured to apply the radially inwardly directed forces to the film.
10. The winding apparatus of claim 1 , further comprising:
a second spindle extending between another of the at least one first arm and another of the at least one second arm; and
another of the at least one support arm extending radially outward from the shaft; and
wherein the second spindle is supported by the other of the at least one support arm to mitigate deflection of the second spindle in response to forces applied thereto.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US14/212,166 US20140263805A1 (en) | 2013-03-15 | 2014-03-14 | Winding apparatus with a support arm |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US201361789532P | 2013-03-15 | 2013-03-15 | |
US14/212,166 US20140263805A1 (en) | 2013-03-15 | 2014-03-14 | Winding apparatus with a support arm |
Publications (1)
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US20140263805A1 true US20140263805A1 (en) | 2014-09-18 |
Family
ID=50680156
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US14/212,166 Abandoned US20140263805A1 (en) | 2013-03-15 | 2014-03-14 | Winding apparatus with a support arm |
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US (1) | US20140263805A1 (en) |
WO (1) | WO2014143868A1 (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3298624A (en) * | 1964-07-10 | 1967-01-17 | Gloucester Eng Co Inc | Winder |
US4529141A (en) * | 1984-01-13 | 1985-07-16 | Imd Corporation | Method and apparatus for rewinding, severing and transferring web-like material |
US4678133A (en) * | 1984-11-30 | 1987-07-07 | Mitsubishi Jukogyo Kabushiki Kaisha | Automatic cutting and winding apparatus for a web-like material such as a film |
US7896283B2 (en) * | 2005-05-30 | 2011-03-01 | Sml Maschinengesellschaft M.B.H. | Apparatus for winding up at least two material webs |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2981606B2 (en) * | 1997-11-19 | 1999-11-22 | 株式会社不二鉄工所 | Multi-axis winding device in slitting device |
FI111927B (en) * | 2000-03-07 | 2003-10-15 | Metso Paper Inc | Method and apparatus for winding a paper web |
-
2014
- 2014-03-14 US US14/212,166 patent/US20140263805A1/en not_active Abandoned
- 2014-03-14 WO PCT/US2014/028024 patent/WO2014143868A1/en active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3298624A (en) * | 1964-07-10 | 1967-01-17 | Gloucester Eng Co Inc | Winder |
US4529141A (en) * | 1984-01-13 | 1985-07-16 | Imd Corporation | Method and apparatus for rewinding, severing and transferring web-like material |
US4678133A (en) * | 1984-11-30 | 1987-07-07 | Mitsubishi Jukogyo Kabushiki Kaisha | Automatic cutting and winding apparatus for a web-like material such as a film |
US7896283B2 (en) * | 2005-05-30 | 2011-03-01 | Sml Maschinengesellschaft M.B.H. | Apparatus for winding up at least two material webs |
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WO2014143868A1 (en) | 2014-09-18 |
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