CA1232482A - Static guiding mechanism for interlocking carton panels - Google Patents
Static guiding mechanism for interlocking carton panelsInfo
- Publication number
- CA1232482A CA1232482A CA000478496A CA478496A CA1232482A CA 1232482 A CA1232482 A CA 1232482A CA 000478496 A CA000478496 A CA 000478496A CA 478496 A CA478496 A CA 478496A CA 1232482 A CA1232482 A CA 1232482A
- Authority
- CA
- Canada
- Prior art keywords
- panels
- forming block
- carton
- mechanism according
- elongate
- 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.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
- B65B11/06—Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths
- B65B11/08—Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths in a single straight path
- B65B11/10—Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths in a single straight path to fold the wrappers in tubular form about contents
- B65B11/105—Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths in a single straight path to fold the wrappers in tubular form about contents the axis of the tube being parallel to the conveying direction
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Making Paper Articles (AREA)
- Closing Of Containers (AREA)
- Packages (AREA)
- Cartons (AREA)
Abstract
ABSTRACT
A mechanism for interlocking a pair of panels (f, m) of a wrap-around type carton (c) includes an elongate central forming block (w) having contoured opposed side faces (16, 18) about which the panels to be interlocked are progressively caused to fold during longitudinal movement relative thereto so that the pan-els are folded into edge facing relationship with one another. A pair of elongate flanking blocks (V, VI) are disposed adjacent the opposed said faces 53 as to pro-vide a fissure (22, 26) therebetween through which res-pective ones of the panels are caused to move. The sur-faces (20, 24) of the flanking blocks juxtapsoed the side faces of the forming block are contorted to main-tain the panels in close relationship with respect to the central forming block and to induce said progres-sive folding.
A mechanism for interlocking a pair of panels (f, m) of a wrap-around type carton (c) includes an elongate central forming block (w) having contoured opposed side faces (16, 18) about which the panels to be interlocked are progressively caused to fold during longitudinal movement relative thereto so that the pan-els are folded into edge facing relationship with one another. A pair of elongate flanking blocks (V, VI) are disposed adjacent the opposed said faces 53 as to pro-vide a fissure (22, 26) therebetween through which res-pective ones of the panels are caused to move. The sur-faces (20, 24) of the flanking blocks juxtapsoed the side faces of the forming block are contorted to main-tain the panels in close relationship with respect to the central forming block and to induce said progres-sive folding.
Description
~%3~2~32 _ _ _ _ _ INTERLOCKING CARTON PANELS
_ 1 _ This invention relates to a static guiding echoism for folding and guiding and thence interlocking the Sot-Tom panels of a wraparound type cartop.
S The invention is particularly concerned with interlocking pus of the sort in which one pull has locking tabs (the Moe paqelJ and another pi ho., locking slits the female Allah) which Roy inter engaged by a relative tiding movement of those p3ne1s so that the liken tabs are inverted in the lo King slits.
.ln.a.known-guiding.mechanism the panels are fold-Ed and guided by means of guide- bars and a bottom for-in' plate positioned between the guide bars so that ; 15 together the panels are folded into their correct rota-live positions for locking.
However in that construction difficulties have arisen in adjusting the mechanism correctly. This mainly is due to the fact that the guide bars have a multiplies-try of adjustments. Each guide bar is attached to the frame of a packaging machine at two locations both of which locations are adjustable in three dimensions.
Moreover the-forming plate also is adjustable indepe.n-deftly of and relative to the guide bars.
..
232~2 The present invention provides a mechanism for interlocking a pair of panels of a wrap-around type car-ton which mechanism comprises an elongate central forming block having contoured opposed side faces about which the panels to be interlocked are progressively caused to fold during longitudinal move.~ont relative thereto so that two panels are folded into edge facing relationship with on another and a pair of elongate flanking blocs disposed adjacent said opposed side faces so as to provide a fists-1û use there between through which the panels are caused to move; the surfaces of the flaying blocks jJxtapased said side faces of the furrowing block being contoured to main-lain the panels in close relationship with respect to Thea central -forming block an to indJae said progressive folding.
An embodiment of the invention will now by desert-bed by way of example with reference to the accompany-in drawings in which:-2û
FIGURES 1 to are cross-section31 views taken at successive locations along the length of the mQcha~.ism in the direction of travel of a wrap-around cartop and show the Betty panels of the carton being progressively folded into position for interlocking. . ---AL
FIGURE 10 to 13 are sup cessive cross-sectio~al views similar to FIGURES 1 to 8 but showing the bottom panels being interlocked one with two other, and FIGURE 14 is a perspective view of the Messiahs.
in which the flanking blocks are shown detached from the central forming lock.
Referring to the drawings the machismo comprises an elongate 'sword' S which is known per so a which his an upper surface 10 providing a platform on which prod-vat to be packaged erg plastic cup p is supported dJr-aye in the panel locking operation. The unders;Jrfa-e of the sword has convergent fazes 12 14 respectively and gradually reduces in cross sectional thickness toward;
one end (in thy direction of carton movement wren in use) Thus carton bottom panels progressively are formed await the undersurface of top sword a looked tooth r an thereafter the products to be packaged are transferred from the upper surface of the sword to by supported by the interlocked cartop bottom panels as thy prodJ-ts and carton leave the free thin end of two sword.
In FIGURES 1 to 13 of the drawings thy female bottom Noah of a -wrap-around carton c is desig~atèd f and includes -lo-Xin3 ~p~rtures-3t a ' . Two male both Tom panel is designated m and includes locking tats at its free edgy e .
The sword s is mounted atop a central elongate forming block w which has side faces 16 on 18 cot-2û toured such that they progressively become more divergent along the length of the forming block whose cross-section also diminishes in like manner to the sword.
I . .
The mechanism further includes a pair of elongate flanking blocks 'Y' and 'V1 respectively. Franking block TV -includes--ro7t~Jred Inn-r-face 2û icky is jut-taposed.the..sid~ face .16 of central pheromone block W so us to form a fissure 22 thorebetween. Likewise flanking block V1 includes contoured inure face 24 which is jJX-3û topside the side face 18 of the central forming block woo as to form fissure 26 therebetweon.
The inner faces of the flanking blocks 2û and 24 are generally parallel to side faces 16 and 18 resect-lively of the forming block and the relative p~sitioningof the blocks is chosen so that two fissures are wide enough to receive the thicXne s of thy carton bottom pa-ens so that they slide restively freely through thy mechanism but at the same time are caused to phyla thy ~23~
folding path defined by the fissures.
The side face 18 of the central forming block includes a stepped portion 28 on which an upturned end-most portion of the female panel slides. The upturned portion is held thus in order to maintain the locking apertures at lay in opened condition ready for locking.
The progressive folding of the panels 'm' and 'f' can be seen with particular reference to FIGURES l to 8 which show the panels at various stages as they lo move towards one another whilst also folding to adopt a more horizontal attitude. Of course, this occurs as the angle of the planes passing through the fissures becomes greater with respect to the vertical.
At the position shown by FIGURE 8 the panels 'm' and 'f' are about to leave the forward (that is 'upstream' in terms of carton movement) end of the eon-trial forming block at which moment the panels are in position for interlocking. FIGURES 9 to 13 showing the progressive interlocking of the panels about the sword 'w' as the carton continues its forward movement until, when the Socking components are properly engaged, the bottom panels (and product) leave the end of the sword.
'Issue occurs immediately after the condition shown by FIGURE 13.
The mechanism is particularly but not exile-lively, suitable for use with panels having locking tabs and locking slits as disclosed in our co-pending Canadian Patent Application No. 472,410. In this event the eon-trial forming block may incorporate a static folding device for folding over portions of such locking tabs prior to the locking procedure.
_ 1 _ This invention relates to a static guiding echoism for folding and guiding and thence interlocking the Sot-Tom panels of a wraparound type cartop.
S The invention is particularly concerned with interlocking pus of the sort in which one pull has locking tabs (the Moe paqelJ and another pi ho., locking slits the female Allah) which Roy inter engaged by a relative tiding movement of those p3ne1s so that the liken tabs are inverted in the lo King slits.
.ln.a.known-guiding.mechanism the panels are fold-Ed and guided by means of guide- bars and a bottom for-in' plate positioned between the guide bars so that ; 15 together the panels are folded into their correct rota-live positions for locking.
However in that construction difficulties have arisen in adjusting the mechanism correctly. This mainly is due to the fact that the guide bars have a multiplies-try of adjustments. Each guide bar is attached to the frame of a packaging machine at two locations both of which locations are adjustable in three dimensions.
Moreover the-forming plate also is adjustable indepe.n-deftly of and relative to the guide bars.
..
232~2 The present invention provides a mechanism for interlocking a pair of panels of a wrap-around type car-ton which mechanism comprises an elongate central forming block having contoured opposed side faces about which the panels to be interlocked are progressively caused to fold during longitudinal move.~ont relative thereto so that two panels are folded into edge facing relationship with on another and a pair of elongate flanking blocs disposed adjacent said opposed side faces so as to provide a fists-1û use there between through which the panels are caused to move; the surfaces of the flaying blocks jJxtapased said side faces of the furrowing block being contoured to main-lain the panels in close relationship with respect to Thea central -forming block an to indJae said progressive folding.
An embodiment of the invention will now by desert-bed by way of example with reference to the accompany-in drawings in which:-2û
FIGURES 1 to are cross-section31 views taken at successive locations along the length of the mQcha~.ism in the direction of travel of a wrap-around cartop and show the Betty panels of the carton being progressively folded into position for interlocking. . ---AL
FIGURE 10 to 13 are sup cessive cross-sectio~al views similar to FIGURES 1 to 8 but showing the bottom panels being interlocked one with two other, and FIGURE 14 is a perspective view of the Messiahs.
in which the flanking blocks are shown detached from the central forming lock.
Referring to the drawings the machismo comprises an elongate 'sword' S which is known per so a which his an upper surface 10 providing a platform on which prod-vat to be packaged erg plastic cup p is supported dJr-aye in the panel locking operation. The unders;Jrfa-e of the sword has convergent fazes 12 14 respectively and gradually reduces in cross sectional thickness toward;
one end (in thy direction of carton movement wren in use) Thus carton bottom panels progressively are formed await the undersurface of top sword a looked tooth r an thereafter the products to be packaged are transferred from the upper surface of the sword to by supported by the interlocked cartop bottom panels as thy prodJ-ts and carton leave the free thin end of two sword.
In FIGURES 1 to 13 of the drawings thy female bottom Noah of a -wrap-around carton c is desig~atèd f and includes -lo-Xin3 ~p~rtures-3t a ' . Two male both Tom panel is designated m and includes locking tats at its free edgy e .
The sword s is mounted atop a central elongate forming block w which has side faces 16 on 18 cot-2û toured such that they progressively become more divergent along the length of the forming block whose cross-section also diminishes in like manner to the sword.
I . .
The mechanism further includes a pair of elongate flanking blocks 'Y' and 'V1 respectively. Franking block TV -includes--ro7t~Jred Inn-r-face 2û icky is jut-taposed.the..sid~ face .16 of central pheromone block W so us to form a fissure 22 thorebetween. Likewise flanking block V1 includes contoured inure face 24 which is jJX-3û topside the side face 18 of the central forming block woo as to form fissure 26 therebetweon.
The inner faces of the flanking blocks 2û and 24 are generally parallel to side faces 16 and 18 resect-lively of the forming block and the relative p~sitioningof the blocks is chosen so that two fissures are wide enough to receive the thicXne s of thy carton bottom pa-ens so that they slide restively freely through thy mechanism but at the same time are caused to phyla thy ~23~
folding path defined by the fissures.
The side face 18 of the central forming block includes a stepped portion 28 on which an upturned end-most portion of the female panel slides. The upturned portion is held thus in order to maintain the locking apertures at lay in opened condition ready for locking.
The progressive folding of the panels 'm' and 'f' can be seen with particular reference to FIGURES l to 8 which show the panels at various stages as they lo move towards one another whilst also folding to adopt a more horizontal attitude. Of course, this occurs as the angle of the planes passing through the fissures becomes greater with respect to the vertical.
At the position shown by FIGURE 8 the panels 'm' and 'f' are about to leave the forward (that is 'upstream' in terms of carton movement) end of the eon-trial forming block at which moment the panels are in position for interlocking. FIGURES 9 to 13 showing the progressive interlocking of the panels about the sword 'w' as the carton continues its forward movement until, when the Socking components are properly engaged, the bottom panels (and product) leave the end of the sword.
'Issue occurs immediately after the condition shown by FIGURE 13.
The mechanism is particularly but not exile-lively, suitable for use with panels having locking tabs and locking slits as disclosed in our co-pending Canadian Patent Application No. 472,410. In this event the eon-trial forming block may incorporate a static folding device for folding over portions of such locking tabs prior to the locking procedure.
Claims (7)
PROPERTY OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. A mechanism for interlocking a pair of panels of a wrap-around type carton, comprising an elongate central forming block having contoured opposed side faces about which the panels to be interlocked are progressively caused to fold during longitudinal movement relative thereto so that the panels are folded into edge facing relationship with one another, and by a pair of elongate flanking blocks disposed adjacent said opposed side faces so as to provide a fissure there between through which respective ones of the panels are caused to move, the surfaces of the flanking blocks juxtaposed said side faces of the forming block being contoured to maintain the panels in close relationship with respect to the central forming block and to induce said progressive folding.
2. A mechanism according to claim 1, in which each of the said central forming block and said flanking blocks reduce in cross-sectional thickness towards one and the same end in the intended direction of carton blank movement.
3. A mechanism according to claim 1 or claim 2, in which said opposed side faces of the forming block progressively become more divergent along the length of the forming block and in that said juxtaposed surface of the flanking blocks are contoured such that angle of the planes passing through said fissures become greater with respect to the vertical so that the panels adopt a progressively more horizontal attitude as they follow the folding path defined by said fissures.
4. A mechanism according to either of claims 1 and 2, in which said flanking blocks extend beyond the downstream end of the central forming block in terms of the direction of carton blank movement.
5. A mechanism according to claim 1, in which an elongate platform is disposed atop the central forming block on which product to be packaged in the carton is supported during the panel locking operation, said platform gradually reducing in cross-sectional thickness towards one end in the intended direction of carton blank movement.
6. A mechanism according to claim 2, in which an an elongate platform is disposed atop the central forming block on which product to be packaged in the carton is supported during the panel locking operation, said platform gradually reducing in cross-sectional thickness towards one end in the intended direction of carton blank movement.
7. A mechanism according to either of claims 5 and 6, in which said platform extends beyond said central forming block and is substantially co-extensive with said flanking blocks in the intended direction of carton blank movement and in that said platform has an undersurface provided by a pair of convergent faces about which said carton panels progressively are folded and locked together.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB848409100A GB8409100D0 (en) | 1984-04-09 | 1984-04-09 | Static guiding mechanism |
| GB8409100 | 1984-04-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1232482A true CA1232482A (en) | 1988-02-09 |
Family
ID=10559394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000478496A Expired CA1232482A (en) | 1984-04-09 | 1985-04-04 | Static guiding mechanism for interlocking carton panels |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0159172B1 (en) |
| JP (1) | JPH0645364B2 (en) |
| CA (1) | CA1232482A (en) |
| DE (1) | DE3572148D1 (en) |
| GB (1) | GB8409100D0 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7427010B2 (en) | 2002-06-27 | 2008-09-23 | Graphic Packaging International, Inc. | Carton lock |
| CN103492281B (en) | 2011-04-20 | 2015-09-09 | 印刷包装国际公司 | There is the carrier of latch-up structure |
| EP2707306B1 (en) | 2011-05-12 | 2016-07-06 | Graphic Packaging International, Inc. | Carrier with retention features |
| GB201300605D0 (en) * | 2013-01-14 | 2013-02-27 | Meadwestvaco Packaging Systems | Apparatus for packaging articles and method for packaging articles |
| USD867900S1 (en) | 2018-03-01 | 2019-11-26 | Graphic Packaging International, Llc | Carrier |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2780900A (en) * | 1953-07-15 | 1957-02-12 | Ex Cell O Corp | Closure flap manipulating mechanism for carton filling machine |
| US3061985A (en) * | 1960-08-04 | 1962-11-06 | Continental Can Co | Method and machine for packaging articles |
| US3049847A (en) * | 1961-02-17 | 1962-08-21 | Fmc Corp | Carton closing mechanism |
-
1984
- 1984-04-09 GB GB848409100A patent/GB8409100D0/en active Pending
-
1985
- 1985-04-04 EP EP85302442A patent/EP0159172B1/en not_active Expired
- 1985-04-04 CA CA000478496A patent/CA1232482A/en not_active Expired
- 1985-04-04 DE DE8585302442T patent/DE3572148D1/en not_active Expired
- 1985-04-09 JP JP60073664A patent/JPH0645364B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS612545A (en) | 1986-01-08 |
| JPH0645364B2 (en) | 1994-06-15 |
| EP0159172B1 (en) | 1989-08-09 |
| GB8409100D0 (en) | 1984-05-16 |
| EP0159172A2 (en) | 1985-10-23 |
| EP0159172A3 (en) | 1986-10-29 |
| DE3572148D1 (en) | 1989-09-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |