JPH06508587A - container plastic lid - Google Patents

Abstract

A plastic closure for containers is proposed which has a closure panel (3), a shell (5) starting from said closure panel, and a tamper-proof region which is provided in the edge region (7) of the shell, is constructed as a tamper-proof ring (9) and is provided with at least one vertical incision (29) extending over the height of the tamper-proof region. The closure is distinguished by the fact that the arrangement of the vertical incision (29) depends on particular shape features, preferably on the arrangement of the holding webs (15) of the closure (1), and said vertical incision is cut into the wall (27) of the tamper-proof ring (9). <IMAGE>

Description

[Detailed description of the invention] container plastic lid The invention relates to a plastic lid for a container of the type according to claim 1, and the front of claim 13. Regarding the method for manufacturing the plastic lid according to the proposed concept, further comprising the premise of claim 16. This relates to a plastic lid manufacturing device having the configuration described in the concept. .

Many plastic lids are known that are used to seal any container.

The lid is equipped with a guarantee ring. The guarantee ring is This indicates that the closed container is undamaged. When opening the lid for the first time, The proof ring is pried open, and the consumer is then informed that the container is in its original condition. nal) It is easy to recognize that it is not sealed.

Naturally, when manufacturing this type of lid and associated container, dimensional differences are a problem. Become. In this case, use a lid with the largest inner diameter that is within the tolerance range, and an inner diameter that is within the tolerance range. However, it is possible to combine it with containers whose outer diameter is barely the smallest. be. In such cases, please ensure that the guarantee ring or area is fully covered when you first open the container. Since there is no significant prying force applied, the warranty ring or warranty The area slips through the outer wall of the container or the pour area. This is especially true for warranties. Due to the manufacturing, a vertical cut dividing the area into at least two segments This is due to excessive strength.

The object of the present invention is to provide a plastic lid of this kind that can eliminate the above-mentioned drawbacks. An object of the present invention is to provide a manufacturing method and apparatus.

This object is solved by a plastic lid with the features according to claim 1.

The vertical cuts in the wall of the guaranteed area depend on the specific geometrical features of the lid. By forming the vertical cut, the material strength of the vertical cut can be precisely adjusted to the desired conditions. In addition, the prying force generated when opening the lid for the first time is accurately within the guaranteed range. The line of weakness in the guaranteed area provided by the vertical cut is Placed. In this way false activation of the lid is actually prevented. Sealed as manufactured The warranty area is pried open every time the lid is opened, resulting in the consumer You can check the instruction manual.

A particularly advantageous embodiment provides that the position of the vertical cutout is such that the position of the vertical cutout is a ring that occurs when the lid is opened. The implementation is selected depending on the retaining strips that secure the segments on the sides of the lid. This is an example. Retaining strips and vertical notches that will not break when the guaranteed area is pried open By selecting the distance between the Vertical notches are placed in the area of the guarantee ring that is most likely to be displaced . Therefore, prying out of the vertical cut is ensured.

A particularly advantageous embodiment is for the vertical cuts to be bridged by strips. child This means that after the lid has been manufactured, while the lid is being stored, or while the lid is being transported, or This also avoids damage to the vertical notch when the lid is first attached to the container. It will be done. Therefore, consumers will not make mistakes in guessing how to handle the container. Therefore, The reliability of the display in the instruction manual is further improved.

Other advantageous configurations of the lid according to the invention are described in the further embodiment section.

The object of the invention is to provide a plastic lid for a container having the characteristics according to claim 13. The problem is also solved by the manufacturing method. The feature of this method is that the side part of the lid and the guaranteed area After forming a horizontal cut that provides a reference break line between The method consists in cutting a vertical cut depending on a certain shape feature. basic Generally speaking, all material weaknesses in the lateral areas of the guaranteed area are called vertical cuts. can run. Even if the warranty area is caused by the injection molding process rather than the cutting process. A notch can be formed on the wall of the area. This method according to the invention actually requires additional cutting. The process allows vertical notches to be cut into the wall of the finished lid. , so that it can be predetermined much more accurately than with injection molding methods. A predetermined material weakness is provided. That is, the holding force in the area of the vertical notch is can be predicted very accurately.

Furthermore, by accurately positioning the vertical notch, it is possible to The prying force can be accurately determined in advance. In this way the container The instruction manual can be securely closed without damaging the warranty ring. .

A particularly advantageous embodiment of this method provides that the vertical cut depends on the arrangement of the retaining strip. cut into the wall of the security area or ring. lid first The retaining strips remain intact when opened. Ring segment retained by retaining strips The end region of the ment has the maximum displacement both axially and radially As a result, the greatest prying forces occur in this end region. The vertical notch is right here. By arranging the vertical cut portion, the vertical cut portion can be reliably pried out.

Further variants of the method according to the invention are described in the remaining embodiment sections.

Finally, the task is to manufacture plastic lids with security rings for containers. and is also solved by a device with the features of claim 16. This outfit The feature of the lid lies in the centering device, and the centering device depends on the shape features of the lid. The lid is located and held while the lid is engaged with the cutting device.

A particularly advantageous embodiment provides that the centering device has an outer centering device and an inner centering device. It is something that we have. In this case, the outer centering device runs along a feature on the outer surface of the lid. The inner centering device scans the features on the inner surface of the lid.

In this way it is possible to detect the entire shape feature of the lid.

In this case, the shape feature may be provided on either the outer surface or the inner surface of the lid, or Alternatively, it may be provided on both sides.

A particularly advantageous feature of the device is that it is possible to scan the inner contour after detecting the outer contour of the lid The inner centering device is configured so that. The shape of the outer surface of the lid Double scanning of detecting the feature and then detecting the inner shape feature allows vertical Be sure to position the lid securely before cutting the notch into the wall of the guarantee ring. Ru.

Other configurations of the device according to the invention are described in the remaining embodiment sections.

Next, the present invention will be explained in detail using the accompanying drawings.

Figure 1 is a vertical cross-sectional view of the lid. FIG. 2 is a plan view of the guarantee ring taken along line TII-I in FIG. Figure 3 is a longitudinal sectional view of the apparatus for manufacturing the lid shown in Figure 1; It is.

The lids described below can be used in a wide variety of ways. Especially the screws on the outer surface below the seam area. It has a crest and also has a protrusion that cooperates with a suitable hook provided on the inner surface of the guarantee ring. Advantageously, it is used to close bottles containing liquid.

FIG. 1 shows a cross-sectional view of the lid 1 before it is attached to the container to be closed. Lid 1 is It has a lid upper surface part 3. A rounded lid side portion 5 is connected to the lid top portion 3. Ru.

A guarantee area configured as a guarantee ring 9 is provided in the lower hem area 7 of the lid side part 5. It is being The security area is connected to the remaining lid side part via the tear-off strip 11. It is. In this case, the tear-off strip 11 extends horizontally on the wall of the lid side 5. It covers a reference break line 13 configured as a cut.

The reference break line 13 is furthermore covered by a retaining strip 15 . Holding strip part 1 5 extends over substantially the entire height of the security ring 9. Stripping strip section 11 and the holding strip portion 15 are a material provided on the inner surface of the lid side portion 5 and extending in the longitudinal direction of the lid. It is formed by striae. As can be seen from FIG. is attached to the ring segment 33 created by prying the guarantee ring 9 The width of the retaining strip portion 15 is narrower than that of the retaining strip portion 15.

A gasket 17 is provided on the lower surface of the lid upper surface portion 3.

A retaining cam 19 protruding into the gasket 17 holds the lid upper surface portion 3 or Relative movement with respect to the lid 1 is prevented. Furthermore, a plurality of pieces protrude from the lid side part 5. A strip portion 21 is provided. These strips 21 hold the packing 17 in a predetermined position. hold in position. The seal 17 is installed after the lid 1 is attached to the container to be closed. Engages the pouring area of the vessel and seals the container.

It can be seen from the drawing that a screw thread 23 is provided on the inner surface of the lid side part 5. screw thread 23 engages with a male thread correspondingly provided on the outer surface of the container.

On the outside of the outer surface of the lid side part 5, there is a lip 25 extending in the axial direction, and on the wall 27 of the guarantee ring 9. , a vertical notch 29 is provided. The vertical notch 29 is the guarantee ring 9 does not extend over its entire height.

Also, at least - bridging strips 31 are provided. The bridging strip portion 31 is Connection of the end regions of ring segments 33 separated by vertical cuts 29 It forms a part.

The bridging strips 31 are arranged in the wall 27 of the guarantee ring 9 when the vertical cut 29 is provided. formed by having a grooved blade that does not damage the area be able to. In addition, in the area of the vertical notch 29 on the inner surface of the guarantee ring 9, It is also possible to provide the strips offset radially inwards. This strip is , as well as the stripping strips 11 and the retaining strips 15, during a constant depth cutting process. This is an undamaged strip.

A protrusion 37 extending diagonally downward extends from the inner surface 35 of the guarantee ring 9. Protrusion 3 7 is provided with reinforcing ribs 39 on its upper surface. The reinforcing rib 39 is located on the front surface of the protrusion 37. 41 and slopes in a ramp-like direction toward the inner surface 35 of the guarantee ring 9, and the inner surface 35 The upper surface of the protrusion 37 is transferred to the upper surface of the protrusion 37 with a space therebetween. The front surface of the reinforcing rib 39 is Together with the front surface 41 of the riser 37, it forms one common stop surface.

The protrusion 37 emerges from the inner surface 35 of the guarantee ring 9 at a distance from the retaining strip 15. , and is provided with an obliquely inclined side edge 43 on the holding strip 15 side. It is composed of A side edge 45 provided on the opposite side of the protrusion 37 It forms a right angle to the inner surface 35 of the ring 9. This side edge 45 and right next to it The distance between the provided vertical notches 29 and the adjacent holding strips 15 is The distance from the side edge 45 is much smaller.

As can be seen from FIG. 1/1 and 11/2 are provided. Stripping strips 11/1 and 11/2 are This prevents the end regions of the cutting segments 33 from being accidentally torn off.

A cut-out portion 49 is provided on the outer surface of the lower hem region 7 of the lid side portion 5. In addition In FIG. 1, only the side edges of the cutout 49 are visible.

FIG. 2 shows the guarantee ring 9 cut along the line I-II in FIG. 1, viewed from above. FIG.

In Figures 1 and 2, the same parts are given the same symbols, so the same parts as in Figure 1 are A detailed explanation of the material will be omitted.

The plan view in Figure 2 shows the cut strips 11, 11/1 and 11/2. I can see it. The cross section of the holding strip 15 is also visible.

In the embodiment illustrated in the plan view of FIG. 2, the guarantee ring has three ring segments 3. 3, each ring segment 33 is retained by a retaining strip 15. held.

A V-shaped material recess 49 can be seen in the end region of the ring segment 33. . A vertical notch 29 is formed at the bottom of the material cutout 49 . manufacturing worker The material weakness previously provided by the process is removed by a predetermined vertical cut 29. The patient becomes frail in a precisely predetermined manner.

As can be seen from the plan view of FIG. 2, a groove 47 is formed on the outer surface of the guarantee ring 9. There is. The groove 47 is located on the inner surface of the guarantee ring 9 where the retaining strip 15 is located. accurately placed. The width of the groove 47 is centered with respect to the groove 47. The width of the holding strip 15 is selected to be larger than the width of the holding strip 15.

Furthermore, as can be seen from the plan view of FIG. consists of regions of material that are displaced inward in the radial direction, and the resulting The stripping strip 11 and the retaining strip 15 are defined by the wall 27 of the security ring 9. In the case of a horizontal cutting line defined, it actually remains intact.

In particular, as can be seen from the plan view of FIG. A plurality of mold elements are arranged on the outer or inner surface of 9. these types The element makes it possible to ensure the alignment of the lid 1 while forming the vertical cut 29. Wear. In this embodiment, the mold elements are the projection 37 or its side edges 45 and 4. 3 can be mentioned. Also, the position of the retaining strip 15 provided on the inner surface 35 of the guarantee ring 9 is also responsible for the correct orientation of the lid 1. Finally, set the outer surface of the guarantee ring 9. The girder groove 47 or the V-shaped cutout 49 is formed to form the vertical cut 29. Consideration can be given to the precise positioning of the eyelid 1. In particular, the side of lid 1 The outer surface of the portion 5 may also be provided with protrusions or recesses for positioning the lid 1.

In the following, the groove 47 provided on the outer surface and the protection provided in this area on the inner surface 35 of the lid 1 will be explained. It is assumed that the holding strips 15 are involved in accurately orienting the lid 1.

Next, using the cross-sectional view of FIG. 3, manufacture the plastic lid shown in FIGS. 1 and 2. The device will be explained.

The tool 50 has a casing 51. The casing 51 is It can be connected to a drive unit that rotates and translates. In this case the tool 50 times Rotation is possible around the rotation axis or the longitudinal axis 53. The translational motion is along the second axis. It is done.

The housing 51 is advantageously designed cylindrical, in particular cylindrical. Casing 51 is provided with a through hole for receiving an inner centering device 55.

On the right end face of the casing 51, an outer centering device 59 is provided in a suitable cutout. A holding portion 57 for holding the is inserted.

The inner centering device 55 has a guide sleeve 61 . The guide sleeve 61 , is inserted into the through hole 51. The guide sleeve 61 is configured as a coil spring. It is possible to move in the axial direction inside the casing 51 against the force of the elastic element 63 applied thereto.

The coil spring is a suitable projection provided in the guide sleeve and the through hole of the casing 51. Supported. Groove 65 provided in the inner wall of casing 51 and guide sleeve 61 A spring 67 emanating from the spring 67 prevents the two elements from rotating relative to each other.

A fixing device 65 is provided inside the guide sleeve 61 . The fixing device 65 is , a pressing plunger 67 passing through the inner centering device 55 and an opposing support 69 It has The opposing support portion 69 is provided inside the guide sleeve 61 by means of a screw, for example. Fixed. A coil spring 71 is supported inside the opposing support portion 69. . The coil spring 71 aligns the pressing plunger 67 with its deflection force. Push it out from the end face of 55. The pressing plunger 67 is supported by a suitable support device 73. During the rotational movement of the tool 50 it is supported by a small reaction force. It is held firmly in place and supported so that it does not rotate together. Pressing plunger 67 The end inside the tool 50 is supported by a support 75 cooperating with a coil spring 71. Retained. The support 75 is provided with an axis to ensure end coupling of the rotational movement of the tool 50. It is equipped with a receiver 77.

The support device 73 comprises an outer sleeve. The outer sleeve is a combination of groove and spring It is held so as not to rotate within the guide sleeve 61.

On the front side of the inner centering device 55, on the right side in FIG. 3, a mold element 79 is provided. ing. The outer contour of the mold element 79 is similar to that of the lid to be gripped, not shown here. Conforms to the inner contour. In the embodiment shown here, the outer contour of mold element 79 is For example, the retaining strip of the lid shown in FIGS. 1 and 2 The strips 15 are received by corresponding grooves 81 arranged on the outer surface of the mold element 79. It is configured so that

The mold element 79 is replaceable so that the tool 50 can be used to grip lids of various configurations. can be done.

The outer centering device 59 is elastic in the direction of the central axis 53 against the force of the elastic element 83. The scanning mechanism 85 has a scanning mechanism 85 that can be displaced automatically. The scanning mechanism 85 has a detection pin 87. are doing. The detection pin 87 scans the outer surface of the lid and detects the groove 4 provided on this outer surface. 7.

Next, the embodiment of the method according to the invention and the operation of the device will be explained in detail.

A lid such as that shown in FIGS. 1 and 2 is supplied to the tool 50. In this case, the top of the lid 3 is on the side opposite to the end face of the tool 50, and as a result, when the tool 50 approaches, the pressure is applied. The plunger 67 engages inside the lid 1 and contacts the inner surface of the lid top surface 3.

To scan the outer contour of the lid 1, the lid 1 is rotated relative to the tool 5o or Rotate the tool 5o against the lid 1 as in .

In the rest position of the tool 50 illustrated in FIG. It protrudes beyond the end face of the aligning device 55, and likewise the sensing pin of the outer centering device 59. A pin 87 projects from the end face of the outer centering device 59.

When the tool 50 approaches the lid 1, the lid 1 is moved by the pressing force of the pressing plunger 67. It is fixed to the holding part and held so that it does not rotate. At this time, rotate tool 5o. When the detection pin 87 of the outer alignment device 59 engages with the outer contour of the lid 1, the detection The pin 87 is locked in a groove 47 provided on the outer surface of the lid 1. At this time, the holding part of the lid 1 is 1 is configured to rotate synchronously with the tool 50 inside the holding part.

By means of a suitable actuating device (not shown here), the guide sleeve 61 is connected to the coil spring. The tool 5o is displaced to the right in the direction of the axis 53 against the force 63. As a result inside The centering device 55 or its mold element 79 penetrates into the interior of the lid 1 . outer alignment Since the device 59 and the inner centering device 55 are fixed in position relative to each other, the inner centering The alignment device 55 engages the inner contour of the lid 1 without the need for further adjustment.

Therefore, when the detection pin 87 engages the groove 47 of the lid 1, the groove 81 of the mold element 79 It is ensured that the retaining strip 15 overlaps with the retaining strip 15 of the. Of course, in this example Seed grooves 81 are provided on the outer surface of the triple element 79 so that the inner centering device 5 5 into the interior of the lid 1, these grooves 81 grip the retaining strips 15.

Next, the inner centering device 55 is advanced to lower the end face of the mold element 79 to the bottom of the lid 1. to securely hold the lid.

When the inner centering device 55 is inserted into the lid 1 in this way, the protrusion 37 is inserted into the inner side. As a result, the protrusion 37 rotates diagonally upward toward the inner surface of the lid upper surface portion 3. this This ensures that the lid 1 is held by the mold element 79 of the inner centering device 55. inner alignment After locking the aligning device 55, the outer centering device 59 moves upward and aligns the outer surface of the lid 1. or free the sides for the cutting process.

At this point, the reference break line 13 is cut at the hem of the lid side part 5 by horizontal cutting using a cutting device. It can be formed in region 7. In this case, the cutting depth is tuned to the thickness of the wall 27. The stripping strip 11 and the retaining strip in which the cutter is displaced radially inward 15 or the outer surface of the mold element 79 when making horizontal cuts. Also, when performing vertical cutting, the mold element 79 can also be used as a support for the cutting device. It is composed of

After horizontal cutting, the lid 1 is positioned on the inner centering device 55 in a predetermined position. Since the lid 1 is provided with A recessed portion 29 can be formed. The tool 5o is driven to ensure that the tool 50 is in an accurate position. This is done by passing by the cutter of the cutting device in a determined state. .

The lid 1 is accurately positioned by cooperation between the outer centering device 59 and the inner centering device 55. It is obvious that the guarantee ring 9 can be divided into several ring segments. It is possible to perform the necessary cutting with high precision to separate the parts into sections.

An outer centering device 59 fixed to the sleeve 51 is connected to the inner centering device 55. Due to the inability to move against the guide sleeve 61, the inner centering device 5 5 or its mold element 79 is inserted into the rear lid 1 by gripping the outer contour using the detection pin 87. It can be inserted into the interior without difficulty.

In this case, the lid 1 remains positioned in a predetermined direction.

In the rest position of the tool 50 shown in FIG. 7 and the detection pin 87 depending on the mold position, the lid 1 is moved by the pressing plunger 67. The inspection tool is held securely in its holding position while rotating with the tool 5o. It is ensured that the know pin 87 scans the outer contour of the lid 1. Detection pin 87 When the tool o engages with the attached groove 47, the entraining force of the tool o increases, and the lid 1 retains it. It is rotated together with the tool 5o at the position. In this way, the inner centering device 5 5 can be reliably inserted into the lid 1 which is rotating together. inner alignment In the final position where the sliding device 55 is completely extended by the feeding of the guide sleeve 61, , the inner centering device 55 is also connected to the outer centering device from the end face of the pressing plunger 67. 59 also protrudes from the detection pin 87, and as a result, the lid 1 is displaced by the tool 50. There's no need to worry about it. Furthermore, by the feeding movement of the inner centering device 55, the reference break line is 13 when making horizontal cuts or vertical cuts extending in the longitudinal direction. When forming the groove 29, the cutting device is kept from meshing with the outer centering tool. It is proven. Therefore, damage to the cutting device and the tool 5o is prevented.

When forming the vertical notches 29, these vertical notches 29 are bridged. If a cutter with grooves producing areas or strips 31 is not used, It is also possible to use cutters with continuous blades. In this case, the inner surface of the guarantee ring 9 As in the case of the stripping strip 11 and the retaining strip 15, the radial An inwardly offset material region is provided. These material regions are located at a constant depth. It remains undamaged, or at least substantially uncut, during the cutting process.

In order to increase the effectiveness of the device or manufacturing method according to the invention, a lid to be processed is provided. The tool 50 is set in the radial machining position (Beirbeilungsslern) to be You may place

The manufacturing method and apparatus according to the present invention provide a method and apparatus for forming vertical cuts in a lid by adjusting the outer contour. It can be used regardless of whether the inner contour or inner contour is scanned. The contour to be scanned or the relative positional relationship between the geometrical feature and the vertical cut to be formed. All you have to do is say. Therefore, the guidance between the tool 50 and the cutting device (not shown) is Carry out so that the vertical cut is formed at a predeterminable desired position. be able to. For example, the vertical cut portion may be formed between two adjacent ring segments 33. is formed in the end region of , so that this end region has strip-off strips 11/1 and 11 /2 is maintained. In this case, cut out the vertical notch with a V-shaped edge. It is preferable to set it at the bottom of the section 49. In this way relatively little material is cut. This significantly improves cutter life.

The configuration of the tool 50 described herein or the manufacturing method described herein may be implemented. Then, the vertical notch 29 of the protrusion 37 descending perpendicularly to the inner surface 35 It can be placed closely between the side edges 45 and in this position the lid is initially Maximum force is provided to the guarantee ring when opened. Therefore, the bridging strips Even if the vertical notch is given some strength by the section 31, the lid 1 is It is guaranteed that the security ring 9 can be pried open when opened. in this case , the protrusion 37 used as a support part is provided with a claw under the protrusion provided on the outer surface of the container. This applies an axial and radial expanding force to the guarantee ring, so that the guarantee ring Can be opened. In the illustrated embodiment, the retaining strips extend around the rotation of the ring segment 33. Located at tipping and pivoting points, the guarantee ring remains intact once it is pried open. Protection The strength of the retaining strips is to hold the pried ring segment in its pivoted position, Therefore, it has been selected so that consumers can easily find the instruction manual for the lid. There is.

The last thing I would like to mention is that the positioning of the vertical notch is not a problem. In such applications, it is not necessary to provide an external centering device. . In this case, the inner centering device 55 moves towards the lid which is fixed by the holding part. However, the mold element 79 engages the inner contour provided on the lid and securely holds the lid.

As is clear from the above, for example, plastic injection molding methods or pressure Plastic lids produced by shrink-molding methods have precisely predetermined points. It is possible to additionally form vertical cuts. In this case, the positioning of the vertical notch The shape of the lid depends on the shape features on the inner and/or outer surface of the lid. The section can be scanned by suitable equipment.

When forming a vertical cut, you only need to provide a guaranteed area, so it is very easy to make. It's convenient. The guaranteed area does not extend over the entire circumference of the side of the lid. with an opening angle of 606 to 2406, preferably 180' or 120°. It is attached to the arc-shaped peripheral area of the mouth angle. The vertical notch is in this guaranteed area. Advantageously centrally located, i.e. axially and radially when the lid is first opened. It is advantageous to provide it in the area where the maximum displacement occurs. In this way, the lid can be It is guaranteed that the vertical notch will be pried open the first time it is opened, resulting in Users can easily recognize the instruction manual provided on the lid. This kind of guarantee territory The end area of the area is fixed to the remaining lid side part. In this case, the vertical notch There is no need for retaining strips to hold the segment after it has been pried open. rather The segment is firmly connected to the rest of the lid via its end area and cannot be lost. There is no such thing.

Importantly, vertical notches can be additionally formed in the finished plastic lid. That's true. In this case, positioning is performed exactly as given in advance. Therefore, the deformation that occurs when the lid is first opened is accurately transmitted to the vertical cut. Ru.

Of course, a lid with two security areas is also possible. Two guaranteed areas are the lid When it is first opened, it is pried open into segments that are It is held through the striations. Finally, as explained using the drawing, the circumference of the lower base It is also possible to implement a lid with several security ring segments distributed around the . The guarantee ring segments form an orbiting guarantee ring.

In the end, the formation of the vertical notch is related to a special configuration of the shape feature that takes positioning into consideration. It can be done regardless.

In any case, the exact position of the vertical cut must be strictly adhered to, and the feature may be provided on the inner and/or outer surface of the lid.

The precise positioning of the vertical notch as described here enables the fabrication of the vertical notch. horizontal cuts extending partially or completely around the circumference (this resulting in a guaranteed area or ring) is shaped in an independent and separate process. can be achieved. In particular, double notches (horizontal notches or vertical notches) A completely separate cutting device can be used to form the The requirements for the fruit cutting device are relatively low and the cutting device can be manufactured at low cost.

In particular, by providing a reinforcing rib 39 on the upper surface of the projection 37, the projection 37 can be stabilized. When configured, it was found that very large prying forces could be introduced into the vertical notch. did.

Precise positioning of vertical notches and very large areas with vertical notches Combined with the ability to introduce pry-opening force, even higher functional stability is achieved. The instruction manual on the lid allows you to pry open the vertical notch very reliably. As a result, the consumer can recognize that the container is sealed and unopened.

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Claims (1)

[Claims] 1. Provided on the lid surface part, the side part protruding from the lid surface part, and the hem area of the side part. and a guaranteed area extending in the height direction of the guaranteed area. In a plastic lid of a container, the lid is provided with a vertical notch, The vertical notch (29) forms a specific shape feature (15) of the lid (1) when viewed in the circumferential direction. depending on the shape features (15) so that they are arranged at predetermined intervals with respect to the additionally positioned and formed in the wall (27) of the security area (9). A plastic lid characterized by: 2. the guaranteed area has an opening angle of 60° to 240° over an arcuate circumferential range; The claim is characterized in that it extends with an aperture angle of advantageously 180° or 120°. The plastic lid according to item 1. 3. Claim characterized in that a vertical cut can be formed in the center of the guaranteed area. The plastic lid according to claim 2. 4. characterized in that the guarantee area is configured as an orbiting guarantee ring; A plastic lid according to claim 1. 5. As a shape feature determining the position of the vertical notch (29) of the lid (1), It is possible to select the retaining strip (15) that retains the ring segment (33). Plastic lid according to any one of the preceding claims, characterized in that: 6. A vertical cut (29) extends in at least one area (3) extending in the circumferential direction. 1), characterized in that: Plastic lid on top. 7. the at least one region is configured as a bridging strip (31); 7. A plastic lid according to claim 6, characterized in that: 8. Material in which the retaining strips (15) protrude on the inner surface (35) of the side surface (5) according to one of the preceding claims, characterized in that it is formed by a region plastic lid. 9. As a shape feature, a projection or a recess (47, 79) is formed on the outer surface of the side surface (5). Plastic according to one of the preceding claims, characterized in that it is provided with: lid. 10. It is particularly provided that projections or recesses can be spatially attached to the retaining strip (15). 10. A plastic lid according to claim 9, characterized in that it has the following characteristics: 11. three ring segments (33) and three retaining strips (15); Three vertical cuts ( 29) Claim 1 or Claims 4 to 10, characterized in that A plastic lid as described in any one of the above. 12. The protrusion (37) is provided with a reinforcing rib (39) disposed on the upper surface of the protrusion. Plastic lid according to any one of the preceding claims, characterized in that: 13. Provided on the lid surface part, the side part protruding from the lid surface part, and the hem area of the side part. and a security area extending in the height direction of the security area. A method for manufacturing a plastic lid for a container comprising one vertical cut, Grasp the lid at a certain point, depending on the lid's shape features, and cover the guaranteed area with the rest of the lid. In order to separate it from the side part, the periphery of the side part is placed at a certain point on the lower base of the side part. A horizontal cut extending completely or almost completely through the side wall. Forming a transverse horizontal cut, and perpendicular to the circumferential direction of the guaranteed area. Cut straight vertical notches into the guaranteed area to separate individual segments. separate them from each other, and vertical notches are placed on specific features at predetermined intervals. A method characterized by: 14. The inner surface of the side surface of the lid and the shape feature that determines the position of the vertical notch are and (or) retaining strips and/or protrusions and/or recesses provided on the outer surface. 14. The method according to claim 13, characterized in that selecting. 15. Position the lid first on the outer surface of the side part according to the location of the protrusion or recess, then Advantageously characterized in that the lid is aligned by relying on retaining strips which advantageously project from the inner surface. The method according to claim 13 or 14. 16. A lid for a container made of plastic, comprising a lid surface and a lid extending from the lid surface. the side surface portion, the guaranteed area provided in the hem area of the side surface portion, and the height of the guaranteed area. manufacturing a lid having at least one vertical notch extending in the direction of the lid; In the device for During the relative rotational movement, the feature (1) provided on the inner and/or outer surface of the lid a centering device (55) that detects and holds the lid (1) while positioning it according to 5); 59) for engaging the lid (1) with the cutting device depending on the positioning of the lid (1). A device characterized in that: 17. The centering device includes an outer centering device (59) and/or an inner centering device. a device (55), an outer centering device (59) arranged on the outer surface of the lid (1); an outer scanning device (87) for detecting shape features; ) detects a feature located on the inner surface (35) of the lid (1); 17. Device according to claim 16, characterized in that it has (79). 18. At least the inner centering device (55) is rotatable relative to the lid (1). At this time, the rotational axis of the inner centering device (55) is aligned with the central axis of the lid (1). The alignment device is reciprocating in the direction of the central axis of the lid (1), and Advantageously, it can be elastically deflected and displaced in the direction of the rotation axis (53) of the device (50). an outer centering device capable of engaging a feature (47) on the outer surface of the lid (1); 18. Device according to claim 17, characterized in that: 19. Align so that the inner contour of the lid (1) can be detected according to the outer contour. according to any one of the preceding claims, characterized in that the device comprises: Device. 20. The outer centering device (59) is scanned over the inner centering device (55). The inner centering device (55) and the outer The centering device (59) is supported offset from each other in the direction of the rotation axis (53). 20. The device according to claim 19, characterized in that: 21. Preventing relative rotation between the outer centering device (59) and the inner centering device (55) The above-mentioned claim is characterized in that a locking device (65, 67) is provided to The device according to any one of. 22. While scanning the features provided on the outer and/or inner surface of the lid (1) The above, characterized in that the lid (1) is provided with a retaining device for preventing rotation of the lid (1). A device according to any one of the claims. 23. A centering device (55, 59) holds the lid (1) to be scanned with a holding device. Any of the preceding claims, characterized in that it has a fixing device (65) for holding A device according to any one of the above. 24. A fixing device (65) passes through the centering device (55, 59) and advantageously rotates. characterized in that it has a rotatably supported pressing plunger (67), 24. Apparatus according to claim 23. 25. A preferably cylindrical casing (51) housing the individual component groups It can be connected to a rotation drive device, and the lid (1) can be connected to the rotation axis and center of the tool (50). It is characterized in that it can be connected to a drive unit that causes feeding movement along the axis (53). , a device according to any one of the preceding claims. 26. The cutting device has a horizontal notch (13) and/or a vertical notch (13). (29), characterized in that it is used for the formation of equipment. 27. The cutter that cuts and forms the vertical cut portion (29) is connected to the centering device (5). 5) operate the cutting device so that it is displaceable relative to the lid (1) held by the 27. Device according to claim 26, characterized in that it is operable. 28. The inner surface of the lid (1) is designed so that the outer surface of the lid (1) can be accessed without any hindrance to the cutting device. The centering device (55) is displaceable relative to the outer centering device (59). Device according to any one of the preceding claims, characterized in that: 29. When cutting the vertical cut (29), some areas are advantageously cut vertically. A cutting device is used so that the bridging strip (31) bridging the groove (29) remains intact. Device according to any one of the preceding claims, characterized in that it is configured with a.