GB2143802A - Carton construction and method of manufacture - Google Patents
Carton construction and method of manufacture Download PDFInfo
- Publication number
- GB2143802A GB2143802A GB08418323A GB8418323A GB2143802A GB 2143802 A GB2143802 A GB 2143802A GB 08418323 A GB08418323 A GB 08418323A GB 8418323 A GB8418323 A GB 8418323A GB 2143802 A GB2143802 A GB 2143802A
- Authority
- GB
- United Kingdom
- Prior art keywords
- strip
- blanks
- reel
- strips
- container
- 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.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 238000010276 construction Methods 0.000 title description 6
- 239000000463 material Substances 0.000 claims abstract description 41
- 239000004033 plastic Substances 0.000 claims abstract description 19
- 229920003023 plastic Polymers 0.000 claims abstract description 19
- 239000003292 glue Substances 0.000 claims abstract description 13
- 238000005520 cutting process Methods 0.000 claims description 13
- 238000004026 adhesive bonding Methods 0.000 claims description 9
- 239000005030 aluminium foil Substances 0.000 claims description 3
- 239000002985 plastic film Substances 0.000 claims description 2
- 229920006255 plastic film Polymers 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 208000034693 Laceration Diseases 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 238000010411 cooking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D83/00—Containers or packages with special means for dispensing contents
- B65D83/08—Containers or packages with special means for dispensing contents for dispensing thin flat articles in succession
- B65D83/0847—Containers or packages with special means for dispensing contents for dispensing thin flat articles in succession through an aperture at the junction of two walls
- B65D83/0852—Containers or packages with special means for dispensing contents for dispensing thin flat articles in succession through an aperture at the junction of two walls with means for assisting dispensing
- B65D83/0882—Containers or packages with special means for dispensing contents for dispensing thin flat articles in succession through an aperture at the junction of two walls with means for assisting dispensing and for cutting interconnected articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
- B31B50/74—Auxiliary operations
- B31B50/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
- B31B50/811—Applying strips, strings, laces or ornamental edgings to formed boxes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Making Paper Articles (AREA)
Abstract
A container 10 for holding a roll of web material has a serration edge 28 formed on a plastic strip 26. There is also described a method of applying the strip in which the strip and a carton blank are fed lengthwise, glue is located therebetween, and the blank and strip are pressed together to affix the strip to the blank. <IMAGE>
Description
SPECIFICATION
Carton construction and method of manufacture
This invention relates to containers produced from cut and creased sheet material such as cardboard which are for holding rolls of web material, such as aluminium foil or more particularly plastics which is film used in connection with cooking and protection of foodstuffs. The said plastics film which is used is a thin web of clear plastics material which is used for example for the wrapping of foodstuffs and for the covering of same in order to keep the foodstuffs in a hygienic condition. The invention also applies to a method of manufacturing the containers.
The invention is concerned with a container for rolls of the said web which are used in households, and typically the web is used by being pulled from the container in lengths, and the lengths are torn from the remainder by forcing and tearing the web against a serrated cutting edge. Typically, such cutting edge is provided by a metallic strip having teeth along one edge. The container body is essentially of cardboard, and the metallic strip is connected to the cardboard by means of tangs, rivets or the like.
The use of a metallic cutting edge brings several problems insofar as the metallic teeth are a source of danger and readily cause lacerations and cuts when caught by the fingers. Secondly, the metallic strips are difficult to apply to the cardboard blanks which form the body of the container, making the manufacturing process more expensive than it might otherwise be.
The present invention includes in its broadest aspect a container for a roll of material such as aluminium foil or plastic film for domestic use is provided with a serrated edge defined by a rigid plastics material strip applied to a body of cut and creased material by glueing the strip to the said cut and creased material, preferably in a process involving the feeding of the strip and cut and creased material in the direction of the length of the strip.
The cut and creased material, which is preferably cardboard, preferably defines a body in a fashion similar to the known container, except that a rigid plastics material strip with a serrated edge replaces the metallic strip.
The rigidity of the plastics material and the edge serrations require to be such as to enable the tearing of individual lengths of the web material, by pulling the web from the container and by tearing it along said serrated edge.
!n the method of the invention, the bodies of the containers are defined by one piece blanks which are fed continuouslyfrom a magazine, to an end of process station, and during their movement, the strips are glued thereto including a step which involves passing the strip and blank through the pressure nip of pressure rollers orthe like in a direction which is the length direction of the strip.
Preferably, in the said process, a reel of plastics strip material, which is either provided with the serrated edge when in reel form, or is provided with such edge after being unwound from the reel, is wound around a drive pulley driven by a variable speed drive unit, and then is wound round the first wheel of a pair of cutting wheels, which define a cutting nip, one of said cutting wheels having at least one radially projecting cutting blade, and the other having a groove which receives or an anvil which co-operates with the projected cutting blade, for the chopping of lengths of strip from the reel of same.
The second of said chopping wheels also partly defines the aforesaid pressure nip, and the strip material is fed from the reel at a controlled speed related to the length of strip required, and the feed of the blanks to the pressure nip, so that strips of any suitable length can be cut from the reel.
The feed apparatus preferably also includes a holding band of endless form, and which is applied against the periphery of the second chopping wheel, or the second wheel may be a vacuum wheel, so as to hold the lengths of strip against such wheel and to ensure that they are fed round the wheel from the chopping nip to the pressure nip.
In the feeding of the blanks from the magazine to the end of the process station, glue will be applied to the blanks prior to the application of the strips, and the blanks will also be folded into skillet form during their movement.
The folding can take place after the application of the strips, but preferably, the blank will be given an initial fold, then will have the glue applied, then the strip and then given a further fold to move the blank to a completed skillet form with the strip attached to provide a flattened tubular container which can be erected to receive the roll of web material, and then can have its ends glued.
The folding, glueing and application of strip may be done on an in-line basis whereby maximum production speed can be achieved, but in a modified arrangement, the blanks are initially folded transversely of their direction of movement, and then are moved at right angles to the glueing and strip application stage, followed by a final in-line folding to produce the skillet form.
The invention also provides a machine for carrying out the aforesaid method.
The invention provides for the effective construction of containers for film or foil rolls whereby the disadvantages referred to herein are obviated or mitigated.
An embodiment of the invention will now be described, with reference to the accompanying drawings, wherein Figure 1 is a perspective view of a container according to an embodiment of the invention;
Figure 2 is a perspective view of part of a container of prior art construction, given by way of comparison;
Figure 3 is a plan view of a blank erectable into the container body of the container shown in Figure 1;
Figures 4 and 5 are views of the blank of Figure 3 during respective construction stages;
Figures 6 and 7 show respectively in flow chart form, the production of the container according to the invention from a blank, in accordance with the respective embodiments of the method; and
Figure 8 illustrates diagrammatically the method of application of the serrated plastics material strip of the container of Figure 1.
Referring to Figure 1,the container 10 shown therein is elongated and generally of square crosssection having a top 12, a base 14, a front 16, a rear 18, and additionally a cover lid or flap 20 which in the sealed condition of the container is glued to the top 12. Between the rear edge of the top 12 and the rear 18 is a withdrawal slot 22 through which web material 24 may be pulled from a roll of such material contained inside the container. Such web material 24 may be metallic foil or plastics material web.
A rigid plastic strip 26 is adhered to the front 16 of the container so that a serrated edge 28 thereof projects slightly above the top of said front 16, whereby said edge 28 can serve as a severing device for engagement with the web 24, as indicated in chain dotted lines, for the severing of sections of the web 24 from the remainder. Typically, this web material would be used in a domestic kitchen and the user, typically a housewife, would pull a section of web material through the slot 22, then fold the web 24 downwardly onto the serrated edge 28, thereby to sever a length from the remainder of the web.
The conventional construction of a container of this type is illustrated in Figure 2, and it will be seen that the serrated edge 28 is defined by a metallic strip 26 which is secured by tangs deformed from the strip so as to penetrate the cardboard of the container body B. The utilisation of a metallic strip has the disadvantage that the metallic strip serrated edge is much more likely to cause cuts and lacerations of the fingers when contacted thereby, and furthermore, the method of attaching the strip to the board is time consuming.
The blank which is used to construct the container body of the container shown in Figure 1, is illustrated in Figure 3, and it will be seen that the panels forming the top, base, front and rear sides and cover are hinged together along fold lines 1,2,3 and 4. The ends of the top, base and side panels have glue flaps 30 for the closing of the ends of the container, as will be explained hereinafter.
In erecting the blank shown in Figure 3, and assuming the smooth or printed side ofthe cardboard is face downwards in Figure 3 the blank is first of all folded about line 2, and then the thus folded blank is passed through a glueing station whereat at least the line of adhesive 34 is or lines of adhesive 32,34 are applied to the blank, as shown by cross hatching lines in Figure 4. The plastics material strip 26 is applied to the line of glue 34 on the front 16 by moving the blank and strip together through the nip of a pair of rollers in a direction of the length of the strip 26, also as will be explained herein. The container as erected to this stage is illustrated in
Figure 5.To complete the erection of the container to skillet form, the cover panel 20 is folded over onto the top 12 (after application of glue on line 32 if appropriate), so as to become attached thereto along the glue line 32, which leaves the free edge of the cover panel 20 unattached and graspable by the fingers forthe opening of the container as will be explained.
When the container is to be loaded with its contents, it is erected from the flattened skillet form and the roll of web material is placed therein, and the end flaps 30 are glued together to complete the container. To gain access to the container, the free edge of the cover panel 20 is grasped and pulled back to break the adhesive connection between the top panel and cover panel, in order to expose the rear slot 22, from which the the web 24 is pulled, as indicated in Figure 1.
The method of the invention provides for the rapid production of containers on a sequential and continuous basis, and two methods are illustrated by the flow diagrams 6 and 7.
In Figure 6, it is shown that the container blanks 36 when in the condition shown in Figure 3 are contained in a magazine 38, and these are fed one by one from the magazine 38 as indicated by arrow 40.
The blanks 36 are fed in the direction of the crease lines 1-4, and the blanks first of all meet a folding device 42 in the form of a plough or other arrangement which folds each blank to the condition shown in Figure 4. The blanks then pass a glueing station 44 whereat the glue is applied in a pattern as indicated in Figure 4 or only glue on line 34 is applied at this time, and this station 44 is followed by a strip application station 46, whereat the strips 26 of plastics material are applied, and then, if not previously applied, the glue is applied on line 32 and finally, the blanks pass a furtherfolding station 48 whereat the blanks are folded to the skillet form ready for despatch to the customer who will erect and load the containers with their contents.The arrangement of Figure 6 is an in-line operation, in that the blank travels at all times in the direction of the creases so that all folding can be performed by plough devices, and pressure can be applied by means of nip rollers. Any suitable transporting system may be used for moving the blanks through the various stages. In a modified arrangement of the
Figure 6 layout in which station 44 applies only glue line 34, the blanks emerging from station 46 are collected and are subsequently fed through an in line folding and glueing machine to complete the erection.
The difference between the Figure 7 and Figure 6 arrangement is that in Figure 7 the blanks initially travel in a direction at right angles to their creases, and the first folding operation involves folding the blanks about creases 2 by suitable folding devices.
Subsequently, the blanks move in a direction at right angles to the previous direction, through the glueing strip application and final folding stages, which are identical to the corresponding stages in the Figure 6 arrangement, as will be appreciated as the same reference numerals have been used.
Figure 8 shows one form of strip applicator apparatus, and this comprises a support roll 50 for a reel of strip material, and a drive pulley 52 which is coupled to be driven by a variable speed drive unit.
The strip from the support roller 50 passes over the drive roller 52 as shown, and then passes over a severing roller 54 which co-operates with a second severing roller 56 to provide a chopping nip 58 whereat the strip material is cut into lengths of the appropriate dimension to be applied to the blanks 36 which are travelling to the application station 46. The chopped lengths of plastics strip are held to the second chopping roller 56 by means of an endless belt arrangement 60, and are delivered by such endless belts to a pressure nip 62 defined by the second chopping roller and a reaction roller 64 (or other surface). As an alternative to the belt 60, the drum 56 may be a vacuum drum.The movement of the blanks and the delivery of the lengths of plastic strip material are synch ronised to ensure that the strips are accurately placed in the correct position on the moving blanks.
In order to effect the aforesaid chopping action, the first chopping roller 54 is provided with a projecting knife edge 66, which engages in an appropriate slote 68 in the second chopping roller 56 which slot and edge meet at the chopping nip 58 during each revolution of the rollers. As an alternative to slot 68, the drum 56 may have an anvil against which the blade acts. The feeding of the strip material however, is controlled by the variable speed drive, and in fact the strip material will slip relatively to the first chopping roller 54 until chopping takes place. It will be noted however, that after a length of strip material has been chopped from the remainder, it is at all times held at some point in its length, so that there is no loss of control in the delivery and application of the strip to the blank. The application of the strip to the blank is achieved by the application of pressure, by virtue of the nip 62. The blank and strip move together in the direction of the length of the strip and emerge from the nip as a combined unit which is subjected finally to the final folding to move it to skillet form.
In order to save wastage, the plastics strips may be produced by marking a serrated cut along the centre of a plastic band to provide two similar half bands serrated along one edge. The half bands are fed in parallel to the chopping roller 54 and two rows of blanks 36 are fed in parallel to the nip 62 so that the completed containers emerge two by two from the nip 62.
Claims (10)
1. A container for a roll of material such as aluminium foil or plastic film for domestic use is provided with a serrated edge defined by a rigid plastics material strip applied to a body of cut and creased material by glueing the strip to the said cut and creased material, preferably in a process involving the feeding of the strip and cut and creased material in the direction of the length of the strip.
2. A method of producing containers as claimed in Claim 1, wherein the bodies of the containers are defined by one piece blanks which are fed continuously from a magazine, to an end of process station, and during their movement, the strips are glued thereto including a step which involves passing the strip and blank through the pressure nip of pressure rollers or the like in a direction which is the length direction of the strip.
3. A method according to Claim 2, wherein a reel of plastics strip material, which is either provided with the serrated edge when in reel form, or is provided with such edge after being unwound from the reel, is wound around a drive pulley driven by a variable speed drive unit, and then is wound round the first wheel of a pair of cutting wheels, which define a cutting nip, one of said cutting wheels having at least one radially projecting cutting blade, and the other having a groove which receives the projected cutting blade, for the chopping of lengths of strip from the reel of same.
4. A method according to Claim 5, wherein the second of said chopping wheels also partly defines the aforesaid pressure nip, and the strip material is fed from the reel at a controlled speed related to the length of strip required, and the feed of the blanks to the pressure nip, so that strips of any suitable length can be cut from the reel.
5. A method according to Claim 4, wherein the feed apparatus includes a holding band of endless form, and which is applied against the periphery of the second chopping wheel, so as to hold the lengths of strip against such wheel and to ensure that they are fed round the wheel from the chopping nip to the pressure nip.
6. A method according to any of Claims 2 to 5, wherein, in the feeding of the blanks from the magazine to the end of process station, glue is applied to the blanks prior to the application of the strips, and the blanks will also be folded into skillet form during their movement.
7. A method according to any of the claims 2 to 6, wherein the blanks are given an initial fold, then have the glue applied, then the strips are applied, and then are finally folded to move the blanks to complete skillet form with the strips applied to provide flattened containers which can be erected to receive the roll of web material, and then have their ends glued.
8. A method according to claim 7, wherein the blanks are initially folded transversely of their direction of movement, and then are moved at right angles to the glueing and strip application stage, followed by a final in-line folding to produce the skillet form.
9. A container for a roll of material substantially as hereinbefore described with reference to Figure 1 of the accompanying drawings.
10. A method of manufacturing containers, substantially as hereinbefore described with reference to any of the embodiments illustrated in Figures 3 to 8 of the accompanying drawings.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB08418323A GB2143802A (en) | 1983-07-19 | 1984-07-18 | Carton construction and method of manufacture |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB838319427A GB8319427D0 (en) | 1983-07-19 | 1983-07-19 | Carton construction |
GB08418323A GB2143802A (en) | 1983-07-19 | 1984-07-18 | Carton construction and method of manufacture |
Publications (2)
Publication Number | Publication Date |
---|---|
GB8418323D0 GB8418323D0 (en) | 1984-08-22 |
GB2143802A true GB2143802A (en) | 1985-02-20 |
Family
ID=26286640
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08418323A Withdrawn GB2143802A (en) | 1983-07-19 | 1984-07-18 | Carton construction and method of manufacture |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2143802A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2315041A (en) * | 1996-07-05 | 1998-01-21 | Luke A Court Taylor | A method of applying a cutter tape and apparatus for use in the method |
EP1337383A2 (en) * | 2000-11-01 | 2003-08-27 | Linear Products Inc. | Web material advance system for web material applicator |
US6858105B2 (en) | 2000-11-01 | 2005-02-22 | Adalis Corporation | Splicing system affording a continuous web material supply for an applicator |
US7172666B2 (en) | 2002-12-17 | 2007-02-06 | Groves Matthew E | Web material application methods and systems |
JP2013216349A (en) * | 2012-04-06 | 2013-10-24 | Kureha Corp | Wrap roll storage box for insertion, wrap roll for refill, and wrap roll set |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB966256A (en) * | 1962-04-26 | 1964-08-06 | Jane Fiske Mccullough | An improved packaging material |
GB1179671A (en) * | 1967-02-10 | 1970-01-28 | Akerlund & Rausing Ab | Improvements in and relating to Cartons |
GB1276709A (en) * | 1969-12-30 | 1972-06-07 | Reynolds Metals Co | Sheet materials dispenser having a shielded cutter assembly |
GB1296001A (en) * | 1970-06-25 | 1972-11-15 | ||
GB1335259A (en) * | 1970-06-25 | 1973-10-24 | Borden Inc | Film cutter supporting box for dispensing packaging film with protective mounting for the cutter |
GB1573694A (en) * | 1977-02-22 | 1980-08-28 | Colgate Palmolive Co | Cartons having handles |
GB2050299A (en) * | 1979-05-31 | 1981-01-07 | Bacofoil Ltd | Improvements relating to a box |
GB2082544A (en) * | 1980-08-20 | 1982-03-10 | Gatward Douglas Kitchener | Roll dispenser |
-
1984
- 1984-07-18 GB GB08418323A patent/GB2143802A/en not_active Withdrawn
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB966256A (en) * | 1962-04-26 | 1964-08-06 | Jane Fiske Mccullough | An improved packaging material |
GB1179671A (en) * | 1967-02-10 | 1970-01-28 | Akerlund & Rausing Ab | Improvements in and relating to Cartons |
GB1276709A (en) * | 1969-12-30 | 1972-06-07 | Reynolds Metals Co | Sheet materials dispenser having a shielded cutter assembly |
GB1296001A (en) * | 1970-06-25 | 1972-11-15 | ||
GB1335259A (en) * | 1970-06-25 | 1973-10-24 | Borden Inc | Film cutter supporting box for dispensing packaging film with protective mounting for the cutter |
GB1573694A (en) * | 1977-02-22 | 1980-08-28 | Colgate Palmolive Co | Cartons having handles |
GB2050299A (en) * | 1979-05-31 | 1981-01-07 | Bacofoil Ltd | Improvements relating to a box |
GB2082544A (en) * | 1980-08-20 | 1982-03-10 | Gatward Douglas Kitchener | Roll dispenser |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2315041A (en) * | 1996-07-05 | 1998-01-21 | Luke A Court Taylor | A method of applying a cutter tape and apparatus for use in the method |
EP1337383A2 (en) * | 2000-11-01 | 2003-08-27 | Linear Products Inc. | Web material advance system for web material applicator |
US6858105B2 (en) | 2000-11-01 | 2005-02-22 | Adalis Corporation | Splicing system affording a continuous web material supply for an applicator |
US6860309B2 (en) | 2000-11-01 | 2005-03-01 | Adalis Corporation | Splicing system affording a continuous web material supply for an applicator |
US6893528B2 (en) | 2000-11-01 | 2005-05-17 | Adalis Corporation | Web material advance system for web material applicator |
EP1337383A4 (en) * | 2000-11-01 | 2005-06-08 | Linear Products Inc | Web material advance system for web material applicator |
US7005028B2 (en) | 2000-11-01 | 2006-02-28 | Adalis Corporation | Web material advance system for web material applicator |
US7135083B2 (en) | 2000-11-01 | 2006-11-14 | Adalis Corporation | Web material advance system for web material applicator |
US7172666B2 (en) | 2002-12-17 | 2007-02-06 | Groves Matthew E | Web material application methods and systems |
JP2013216349A (en) * | 2012-04-06 | 2013-10-24 | Kureha Corp | Wrap roll storage box for insertion, wrap roll for refill, and wrap roll set |
Also Published As
Publication number | Publication date |
---|---|
GB8418323D0 (en) | 1984-08-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |