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EP2266448A2 - Dispositif destiné à produire des sections d'une bande de papier - Google Patents

Dispositif destiné à produire des sections d'une bande de papier Download PDF

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Publication number
EP2266448A2
EP2266448A2 EP10006217A EP10006217A EP2266448A2 EP 2266448 A2 EP2266448 A2 EP 2266448A2 EP 10006217 A EP10006217 A EP 10006217A EP 10006217 A EP10006217 A EP 10006217A EP 2266448 A2 EP2266448 A2 EP 2266448A2
Authority
EP
European Patent Office
Prior art keywords
roller
cutting
cutting roller
paper web
drive
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.)
Granted
Application number
EP10006217A
Other languages
German (de)
English (en)
Other versions
EP2266448A3 (fr
EP2266448B1 (fr
Inventor
Hans Georg Hagleitner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from AT0096709A external-priority patent/AT508451B1/de
Priority claimed from AT0096609A external-priority patent/AT508452B1/de
Application filed by Individual filed Critical Individual
Publication of EP2266448A2 publication Critical patent/EP2266448A2/fr
Publication of EP2266448A3 publication Critical patent/EP2266448A3/fr
Application granted granted Critical
Publication of EP2266448B1 publication Critical patent/EP2266448B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47KSANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K10/00Body-drying implements; Toilet paper; Holders therefor
    • A47K10/24Towel dispensers, e.g. for piled-up or folded textile towels; Toilet-paper dispensers; Dispensers for piled-up or folded textile towels provided or not with devices for taking-up soiled towels as far as not mechanically driven
    • A47K10/32Dispensers for paper towels or toilet-paper
    • A47K10/34Dispensers for paper towels or toilet-paper dispensing from a web, e.g. with mechanical dispensing means
    • A47K10/36Dispensers for paper towels or toilet-paper dispensing from a web, e.g. with mechanical dispensing means with mechanical dispensing, roll switching or cutting devices
    • A47K10/3606The cutting devices being motor driven
    • A47K10/3612The cutting devices being motor driven with drive and pinch rollers
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00Cutting
    • Y10T83/081With randomly actuated stopping means
    • Y10T83/088Responsive to tool detector or work-feed-means detector
    • Y10T83/089Responsive to tool characteristic
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00Cutting
    • Y10T83/465Cutting motion of tool has component in direction of moving work
    • Y10T83/4766Orbital motion of cutting blade
    • Y10T83/4795Rotary tool

Definitions

  • the invention relates to a device for dispensing sections of a paper web, with a cutting roller for cutting off the paper web and with an output-side pressure roller from which the paper web is pressed against the cutting roller.
  • Older paper dispensers in particular for paper towels od.
  • a manual drive which includes either an outer actuator, such as a pivot lever or a crank, or by train at the projecting end of the paper web by the user.
  • a cutting roller is provided, over whose circumference the paper web runs and which preferably contains a knife device which, driven by the rotating cutting roller, cuts off the paper web.
  • Such a device is for example the WO 97140731
  • the blade carrier is guided inside the cutting roller along a non-circular cam track, whereby the blade is moved through the slot due to the varying center distance of the cam track over a portion of the roller rotation in front of the Jardinanpresswalze, while in the second portion after the Output pressure roller retracted retracted.
  • the knife itself when it is toothed, does not sever the paper web, but only lifts it off the cutting roll.
  • the paper web expands and wrinkles, since a length compensation because of the Ninanpresswalze is not possible.
  • the wrinkles are then compressed and fixed by this.
  • the paper is in extreme cases not cut at all, but spent crumpled and then has to be demolished somehow.
  • Newer paper dispensers have a motor drive and are usually set in motion without contact by the user. Also in this case, the above-mentioned problems are conceivable and known. In addition, there are still errors in the design of the paper length, which add up and disturbances in donors in which the length of the section provides a basis for other functions.
  • the cutting roller can be driven manually by hand or in an emergency.
  • a spur gear is disposed on the cutting roller, in which, in each case with freewheel, both the manual drive and the motor drive constantly intervene. The length of the cutting roller is thereby greater than necessary and causes a broadening of the paper dispenser, which is disadvantageous in confined spaces.
  • the invention has now set itself the task of solving this problem and to reduce the width of paper dispensers, in particular paper towel dispensers by the axial extent of the cutting roller comprehensive device of the type mentioned is shortened.
  • the pressure roller is provided with a drive, and in turn drives the cutting roller over the paper web.
  • the pressure roller may be at least somewhat shorter than the cutting roller, and is preferably limited anyway to two or three spaced-apart pressure rollers, which are also spaced from the ends of the cutting roller.
  • the shorter in a preferred embodiment drive roller may be provided at least one end with a drive gear or the like, which meshes with a manual or motor drive.
  • the paper web is guided between an input-side, non-driven pressure roller and the output side provided with a drive pressure roller over about half the circumference of the cutting roller, so that despite the drive of the cutting roller by means of the Ninanpresswalze inside a knife can be provided.
  • the cutting roller is composed of two half-rollers, between which a slot is formed.
  • a device-fixed linkage for controlling the knife movable in the cutting roller can be provided inside be. This design makes it possible to store the cutting roller on both sides on projecting into the roller trunnions, which protrude from the housing side walls, so that even the overall length is not increased.
  • the abovementioned cutting problems can be eliminated by the fact that the outer surface of the cutting roller has a lower friction with the paper web in its half-roll lying ahead of the slot than in its half-roll following the slot.
  • the paper web is not clamped in both determined by the pressure rollers clamping areas between surfaces with high friction, but can slip on the smoother area of the cutting roller, so that by stretching resulting excess length of each sheet can be pulled out with.
  • the tensile forces required for this are introduced by the output pressure roller in the paper web, so that for this reason the direct drive of the output drive roller is advantageous.
  • the half roller following the slot has a rubber coating and the uncoated half roller is the one with the reduced friction.
  • the two pressure rollers are each provided with a rubber coating.
  • the cutting roller is provided with a marking or the like for the detection of a complete revolution of the cutting roller.
  • the marking can be detected by an external sensor, which restores a motor drive again.
  • the cutting roller is thereby rotated in spite of a possible slip in the frictional engagement between the pressure roller and the cutting roller in each case by 360 ° and not by the length of the paper section, which corresponds unstretched to the circumference of the cutting roller.
  • the device shown for dispensing paper sections for example a paper towel dispenser, has a housing 25, in which a paper roll and preferably also a reserve roll can be accommodated.
  • a paper roll and preferably also a reserve roll can be accommodated in the lower region.
  • cutting roller 1 is provided, which is driven indirectly by hand or by hand.
  • an actuator 27 is arranged for the manual drive. If the manual drive provided only as an auxiliary drive, a motor drive can be disengaged simultaneously.
  • the cutting roll 1 which is rotatable about an axis 14 becomes the uncut paper web 20 (FIG. Fig. 3 ) is fed from a supply roll via an input nip roll 2.
  • the paper web 20 wraps around half the circumference of the cutting roller 1 and passes through the Congressanpresswalze 3 to the sampling point.
  • the toastanpresswalze 3 is provided with a gear 31, which via an intermediate gear 32 with a only in Fig. 2 schematically shown electric motor 29 is driven.
  • the concertanpresswalze 3 has axially spaced contact pressure rings 30 which press against the cutting roller 1 and promote the paper web 20.
  • the contact pressure of the Wennanpresswalze 3 and the looping of the cutting roller 1 over half its circumference ensure the rotation of the cutting roller 1, which is thus driven only indirectly by the electric motor 29.
  • the co-rotating blade 5 is pushed out of the cutting roller 1 by a slot 4 extending parallel to the axis 14, whereby the knife edge slides along a curved path 6 in the roller rotation direction.
  • Fig. 7 is advanced relative to the circumference of the cutting roller 1.
  • the paper web 20 is lifted more or less depending on the elasticity, extensibility and strength of the cutting roller 1 and thereby between the matterssanpresswalze. 2 and the cutting roller 1 on the one hand and the Finanpresswalze 3 and the cutting roller 1 on the other hand by the blade teeth which push out of the cutting roller 1 opposite to the rolling direction of rotation 24, stretched until the teeth pierce, wherein the exit angle of the blade changes and the teeth completely in penetrate the paper web 20.
  • the knife guide required for this purpose comprises a support which has two slidable in the slot 4 of the cutting roller 1, and along two end-side, non-circular cam tracks 10 circumferentially guided side parts 7, where the knife 5 is fixed approximately at right angles.
  • the two side parts 7 are formed in mirror image.
  • Each side part 7 has at the inner end a first guide element 9, in particular a rotatably mounted roller which engages in the cam track 10, which is provided on a provided with a groove and with the side wall of the housing 25 rotatably connected element 15 in the interior of the cutting roller 3 is.
  • the width of the housing 25 determining axial extent of the cutting roller 1 and its storage is characterized as short as possible.
  • the cutting roll 1 preferably comprises two half rollers 21, 22, which are connected to each other after insertion of the cutting mechanism, for example screwed, the half rollers 21, 22 complement each other to bearing bushes which are mounted on the housing-fixed bearing journals 16, where the Elements 15 are fixed.
  • Each side part 7 further has a second, pin-shaped guide element 11 which engages in a substantially rectilinear or slightly curved displacement guide 12, which is provided in the form of a guide track on one of the two half rollers 21, 22 so that it extends in the slot 4 ,
  • Each side part 7 is further provided on the second guide element 11 closer end with a toothing 8, for example, has three to the pin-shaped guide member 11 concentrically arranged teeth.
  • the teeth engage in a toothing 13, which is provided on a further guide surface of the two half rollers 21, 22 and limits the slot 4 of the composite cutting roller 1 on one side.
  • the teeth 8, 13 are provided in parallel to each other twice in order to increase the guidance and stability of the two side parts 7 during the extension and insertion.
  • the cam track 10 has an approximately 180 ° section on the roller axis 14 concentric therewith, so that the knife 5 between the Ninanpresswalze 3 and the matterssanpresswalze 2 in the retracted position to Fig. 2 remains.
  • the first guide member 9 passes into a curved portion of the cam track whose distance from the roll axis 14 increases, whereby the side parts 7 are displaced in the guide track 12 and roll in the toothing 13, so that the knife from the position to Fig. 3 in the position after Fig. 4 and finally in the position after Fig. 5 passes, in which the knife 5 is pushed out and swung as far as possible.
  • the movement of the knife edge is thereby leading the roll rotation, so that the cutting of the paper web 20 is ensured after the insertion of the knife tips, since the tension in the paper web increases.
  • the cam track 10 returns from the position Fig. 5 roughly straight back into the concentric section ( Fig. 6 ), whereby the knife 5 is retracted in the remaining 60 ° of the roll rotation to the réelleanpresswalze 3 again.
  • the drive of the réelleanpresswalze 3 is motorized and in particular contactless, the motor 29 and possibly also the Juranpresswalze 3 can be decoupled for a manual emergency operation.
  • the manual emergency operation is carried out by an operating lever 27 at the lower end of the device, optionally also by train at the projecting end of the paper web.
  • the knife guide described is the same in both cases.
  • the teeth 8, 13 favor a smooth movement of the side parts 7, wherein the rolling movement inevitably results from the non-parallel double guide in the curved path 10 and the sliding guide 12.
  • the knife 5 is held only at the two side parts 7 in the end region.
  • the two side parts 7 may also have an additional longitudinal connection, so that, for example, the two side parts form side legs of an approximately U-shaped carrier, on which the knife 5 can be fastened several times.
  • the The The easilysanpresswalze 2 has a friction-increasing peripheral surface, in particular a rubber coating, which is formed at least by a plurality of rings.
  • the knife 5 is toothed to facilitate cutting the paper web so that it first pierces the paper with a series of points.
  • the portion of the peripheral surface following the slit 4 in the cutting roller 1 is provided with a rubber pad 23, so that the paper web 20 is clamped between the input contact roller 2 and the rubber pad 23 after the passage of the slit 4.
  • the tension in the paper web 20 increases. This is additionally reinforced because, due to the guidance of the knife 5, its cutting edge exits from the slot 4 with respect to the circumference of the cutting roll 1, that is, the blade 5 accelerates as compared with the cutting roller 1.
  • the driven hereanpresswalze 3 also has a friction to the paper increasing peripheral surface, in particular a rubber coating, at least in the form of several rings.
  • a friction to the paper increasing peripheral surface in particular a rubber coating, at least in the form of several rings.
  • the paper web 20 has unfavorable properties for cutting, ie a high tensile strength and a high extensibility, then the paper web 20 would be separated from the extending knife 5 (FIG. Fig. 4 . 5 ) in spite of the teeth in the cutting edge, but stretched, and the excess length would wrinkle in the area to the Fantasyanpresswalze 3 as soon as the knife 5 is retracted when the rubber pad 23 cover the entire circumference of the cutting roller 1 would, as the paper web 20 would also be clamped and transported between the Ninanpresswalze 3 and the cutting roller 1 to the same extent. A compensation would not be possible.
  • a mechanical paper dispenser can completely cut through the paper web in this way, since the user operates the operating lever 27 and can hold the paper end in his hand.
  • the cut leaves at least a small connection area between the paper section 20 'and the paper web 20, which tears without noticeable resistance when picked up by the user, but prevents the paper section 20'. falling to the ground.
  • non-contact motor-driven paper dispenser is further preferably at one point of the roller a mark 28, a permanent magnet.
  • a mark 28 a permanent magnet.
  • the like Provided to exactly specify the same knife positions at each issue, which are scanned with suitable sensors on the housing, as by the elongation varying length can not be used for exact measurement.

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Replacement Of Web Rolls (AREA)
  • Advancing Webs (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
EP10006217.3A 2009-06-23 2010-06-16 Dispositif destiné à produire des sections d'une bande de papier Active EP2266448B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0096709A AT508451B1 (de) 2009-06-23 2009-06-23 Vorrichtung zur ausgabe von abschnitten einer papierbahn
AT0096609A AT508452B1 (de) 2009-06-23 2009-06-23 Vorrichtung zur ausgabe von abschnitten einer papierbahn

Publications (3)

Publication Number Publication Date
EP2266448A2 true EP2266448A2 (fr) 2010-12-29
EP2266448A3 EP2266448A3 (fr) 2014-01-15
EP2266448B1 EP2266448B1 (fr) 2017-01-18

Family

ID=42727624

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10006217.3A Active EP2266448B1 (fr) 2009-06-23 2010-06-16 Dispositif destiné à produire des sections d'une bande de papier

Country Status (3)

Country Link
US (1) US20100319508A1 (fr)
EP (1) EP2266448B1 (fr)
ES (1) ES2622466T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2581008A1 (fr) * 2011-10-14 2013-04-17 Achton A/S Distributeur de découpe automatique

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11109722B2 (en) 2015-06-04 2021-09-07 Charles Agnew Osborne, Jr. Dispenser for rolled sheet materials
US12029355B2 (en) 2015-06-04 2024-07-09 Kimberly-Clark Worldwide, Inc. Dispenser for rolled sheet materials with motorized spindle
US11344165B2 (en) 2015-06-04 2022-05-31 Kimberly-Clark Worldwide, Inc. Dispenser for rolled sheet materials with cutting system
WO2017040507A1 (fr) 2015-08-31 2017-03-09 Georgia-Pacific Consumer Products Lp Distributeurs de produit en feuille permettant une réduction de l'accumulation de produit en feuille, et procédés associés
US10850938B2 (en) 2017-10-09 2020-12-01 Gpcp Ip Holdings Llc Mechanical sheet product dispenser
EP3801164A4 (fr) 2018-05-24 2022-03-02 Charles Agnew Osborne Distributeur pour matériaux en feuille roulés
US11154166B2 (en) 2018-05-24 2021-10-26 Charles Agnew Osborne, Jr. Dispenser for rolled sheet materials

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997040731A1 (fr) 1996-04-25 1997-11-06 Hagleitner Betriebshygiene Ges.M.B.H. & Co. Kg Guide-lame pour un dispositif distribuant des morceaux de papier
US20070079684A1 (en) 2005-10-07 2007-04-12 Global Plastics Hybrid towel dispenser

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US4307639A (en) * 1978-04-18 1981-12-29 Georgia-Pacific Corporation Multiple wound roll dispenser for flexible sheet material
DE2850320A1 (de) * 1978-11-20 1980-05-29 Apura Gmbh Vorrichtung zur ausgabe von papierabschnitten vorgegebener laenge
US4441392A (en) * 1981-11-04 1984-04-10 Georgia-Pacific Corporation Cut web material dispenser with web centering and tension control
US4494747A (en) * 1983-07-01 1985-01-22 Diebold, Incorporated Paper currency dispenser friction picker mechanism
US4712461A (en) * 1985-10-18 1987-12-15 Georgia-Pacific Corporation Rolled material dispenser with feed roller containing a sliding cutter
JP3422997B2 (ja) * 1993-02-01 2003-07-07 グランジェール,モーリス ペーパータオルおよびトイレットペーパー用自動分配装置
EP0789642B1 (fr) * 1994-03-04 2001-01-31 Kimberly-Clark Worldwide, Inc. Appareil permettant de derouler et de couper une bande enroulee
US6314850B1 (en) * 1998-01-22 2001-11-13 Perrin Manufacturing Company Paper toweling dispensing system
FR2777770B1 (fr) * 1998-04-24 2000-06-16 Maurice Granger Appareil distributeur de materiau d'essuyage et papier toilette a fonctionnement automatique ou semi-automatique
US6412679B2 (en) * 1998-05-20 2002-07-02 Georgia-Pacific Corporation Paper towel dispenser
US6826985B2 (en) * 2000-12-15 2004-12-07 Georgia-Pacific Corporation Method of dispensing sheet material
US6766977B2 (en) * 2001-02-27 2004-07-27 Georgia-Pacific Corporation Sheet material dispenser with perforation sensor and method
US6684751B2 (en) * 2001-12-13 2004-02-03 Kimberly-Clark Worldwide, Inc. Rolled web dispenser and cutting apparatus
US6892620B2 (en) * 2001-12-19 2005-05-17 Kimberly-Clark Worldwide, Inc. Electro-mechanical roll product dispenser
US6820785B2 (en) * 2001-12-20 2004-11-23 Kimberly-Clark Worldwide, Inc. Electrical roll product dispenser
US7837077B2 (en) * 2006-03-28 2010-11-23 Sca Tissue North America, Llc Hands-free powered absorbent sheet dispenser
US7735770B2 (en) * 2007-08-31 2010-06-15 Kimberly-Clark Worldwide, Inc. Electric dispenser for dispensing sheets from a roll of perforated web material
US7987756B2 (en) * 2007-12-03 2011-08-02 Kimberly-Clark Worldwide Inc. Electro-manual dispenser
US8408487B2 (en) * 2008-09-04 2013-04-02 Jeffrey E. Rodrian Rolled material dispenser with energy harvesting

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997040731A1 (fr) 1996-04-25 1997-11-06 Hagleitner Betriebshygiene Ges.M.B.H. & Co. Kg Guide-lame pour un dispositif distribuant des morceaux de papier
US20070079684A1 (en) 2005-10-07 2007-04-12 Global Plastics Hybrid towel dispenser

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2581008A1 (fr) * 2011-10-14 2013-04-17 Achton A/S Distributeur de découpe automatique

Also Published As

Publication number Publication date
EP2266448A3 (fr) 2014-01-15
ES2622466T3 (es) 2017-07-06
EP2266448B1 (fr) 2017-01-18
US20100319508A1 (en) 2010-12-23

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