CA1254826A - Packaging machine - Google Patents
Packaging machineInfo
- Publication number
- CA1254826A CA1254826A CA000452511A CA452511A CA1254826A CA 1254826 A CA1254826 A CA 1254826A CA 000452511 A CA000452511 A CA 000452511A CA 452511 A CA452511 A CA 452511A CA 1254826 A CA1254826 A CA 1254826A
- Authority
- CA
- Canada
- Prior art keywords
- film material
- frame assembly
- rotatable
- roll
- combination
- 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
- B65B11/58—Applying two or more wrappers, e.g. in succession
- B65B11/585—Applying two or more wrappers, e.g. in succession to stacked articles, e.g. pallettised loads
-
- 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
- B65B11/02—Wrapping articles or quantities of material, without changing their position during the wrapping operation, e.g. in moulds with hinged folders
- B65B11/025—Wrapping articles or quantities of material, without changing their position during the wrapping operation, e.g. in moulds with hinged folders by webs revolving around stationary articles
-
- 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
- B65B2210/00—Specific aspects of the packaging machine
- B65B2210/14—Details of wrapping machines with web dispensers for application of a continuous web in layers onto the articles
- B65B2210/18—Details of wrapping machines with web dispensers for application of a continuous web in layers onto the articles the web dispenser being mounted on a rotary ring
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Basic Packing Technique (AREA)
Abstract
ABSTRACT OF THE DISCLOSURE
An apparatus for packaging products with film material comprises a frame and a member for wrapping the film material around the product. The member is a rotatable frame assembly mounted in a frame structure and arranged to be rotated by a rota-ting means. In the rotatable frame assembly is mounted a film material roll and braking and diverting rolls. In the frame structure is disposed a gripping device to engage and release the film material. The drive means moves a supporting frame of the rotatable frame assembly in the vertical direction. The apparatus comprises a cut-off and seaming means for cutting the film material and for seaming the cut-off end of the film material, and a press-ing device which descends on the product.
An apparatus for packaging products with film material comprises a frame and a member for wrapping the film material around the product. The member is a rotatable frame assembly mounted in a frame structure and arranged to be rotated by a rota-ting means. In the rotatable frame assembly is mounted a film material roll and braking and diverting rolls. In the frame structure is disposed a gripping device to engage and release the film material. The drive means moves a supporting frame of the rotatable frame assembly in the vertical direction. The apparatus comprises a cut-off and seaming means for cutting the film material and for seaming the cut-off end of the film material, and a press-ing device which descends on the product.
Description
a~ r~
The present Inverltlon relntes to an apparat-ls for ~ac~~
aglng products wlt1~ fllm ma-~erlal~ comprlsln~ a frame struc~ure and a member for wrapplng the Fllm materlal around a statlonary product.
Varlous products are Packaged by wrapplng the product wlth fllm by two d~F~erent me~hods. In the flrst me-thod the product Is placed on a rotatable base, and the packa~lng fllm Is wrapped around the procluct on the rotatable base.
A drawback of such a ~ethod Is that, owlng to the rota-tlon of the product, It Is dlfflcult to keep the product together and statlonary on the rotatlng base. Automatlon of til~ packaglng operatlon In thls method Is dlfflcult and expenslve due to the varlous anclllary l~ems requlred, such as the label appllcator and presslng devlce, and the need to pull the topslde f~lm of the package by ~eans of a separate unlt placed outslde the rota-tlnJ
means. The conveyor deslgns for the products on the packagln~
machlne are cumbersome. In addltlon, when thls method Is ZO employed, labour sa~ety Is poor, and In general a comparatlvely wide safety zone Is necessary.
Another pack~sglng method known In the art In wh I ch the produc~ Is statlonary and the wrapplng o~ fllm around 'che sta-tlonary product Is performed by a klnd of cran~shaFt ~echanlsmWlth a rotata~le shaft. The greateSt drawback o~ th~s second prlor art method Is the appllcatlon of the tops1de tlIm onto the product. The use oF a label appllcator and pressln~ devlce also causes numerous problems. In addl~lon, l~bour safe~y Is even poorer than In the flrst method, and an even wlder saFety zone Is requlred.
The present Inventlon provldes an Improvement In pack-aglng maohlnes known In present art. In partlcular the Invel-tlon provldes a pactc~sglng machlne In whlc.h the drawbacks descrlbecl In the for~golng are a~levlated.
~ ~J~
A`~.
Accordlng to the present Inventlon there Is provlded an apparatus for Packaglng artlcles In f'llm materlal, comprlslrly a flrst frame structure adap~ed to recelve an artlcle to be wrapped In fllm materl~l whlie th~ artlcle Is malr~alned statlonary; a second non-rotating support frame mounted In sald flrst frame structure for reelprocatlng movement In up and down dlrectlons and means for selectlvely ralslng and lowerlng sald second sup-port frame; a frame assembly rotatable mounted on sald second non-rotatlng support frame so as to be ralsed and lowered there-wlth; and means mounted on sald second non-rotatlng support frame for rotatlng sald rotatable frame assembly; a roll of fllm mate rlal mounted on sald rotatable frame assembly; and means mounted on sald rotatable frame assembly for malntalnlng tenslon In the fllm materlal as the fllm mat~rlal Is payed out from sald fllm materlal roll. Sultably the comblnatlon further Includes pre~s-lng means mounted on sald flrst ~rame structure and arranged to descend onto the ar-tlcle belng packed durlng rotatlon of sald rotatable frame assembly. Deslrably sald tenslon maintalnlng means comprlse braklng and dlver~lng rolls mounted on sald ro-~at-able frame assembly.
In one embodlment of th~ present Inventlon the comblna-tlon further Includes a topslde Flim roll, ~eans for grlpplng and pulllng topslde fllm materlal from sald topslde fllm roll over the artlcle belng packaged and means for cuttIng the topslde ~ilm materlal.
In another embodlment of the present inventlon the com-blnatlon further Includes grlpplng means mounted on ~ald non-rotatlng reclprocable suppor~ ~rame ~or se~ectlvely engaglng andreleaslng fllm materlal durlng rotatlon of sald rotatable frame assembly.
In a still further embodlment nf the present Inventlon the comblnatlon further Includes means mounted on sald rotatable frame assembly For cwttln~ the flIm materlal and for seamlng the ~ 2 -~J`
cut end thereof.
Numerous sl~nlflcar)t advantages are galned. rhe appa-ratus Is appllcable to numerous produc~s, of dlf~eren-~ types and slzes, and automatlon Is feaslble ~Ith ease. In the apparatus oF
the Inventlon, no problems arl se I n the packaglng process from the topslde fllm pulllng; and, l~ needed, ~he devlce o~ the Inventlon may wlth ease be Fltted wlth a label applicator or marklng devlce.
~0 The Inventlon wlll now be descrlbed In more detall, by way of reference to the accompanylng drawlngs, In whlch:-Flg. 1 Is an advantageous embodIment of the apparatus accordlng to the Inventlon In elevatlonal vlew; and Flg. 2 shows the apparatus o~ Flg. 1 In top vlew.
In the embodlment shown In flg.s 1 and Z, the apparatus of the Inventlon In general has been Indicated wlth referencenumeral 10. The appara~us 10 comprlses a frame structure 11, In whlch has been dlsposed a rotatable frame assembly 12, arranged to be rotated by a rotator means 14. The supportlng frame of the rotatable frame assembly 12 Is Indlcated by the reference numeral
The present Inverltlon relntes to an apparat-ls for ~ac~~
aglng products wlt1~ fllm ma-~erlal~ comprlsln~ a frame struc~ure and a member for wrapplng the Fllm materlal around a statlonary product.
Varlous products are Packaged by wrapplng the product wlth fllm by two d~F~erent me~hods. In the flrst me-thod the product Is placed on a rotatable base, and the packa~lng fllm Is wrapped around the procluct on the rotatable base.
A drawback of such a ~ethod Is that, owlng to the rota-tlon of the product, It Is dlfflcult to keep the product together and statlonary on the rotatlng base. Automatlon of til~ packaglng operatlon In thls method Is dlfflcult and expenslve due to the varlous anclllary l~ems requlred, such as the label appllcator and presslng devlce, and the need to pull the topslde f~lm of the package by ~eans of a separate unlt placed outslde the rota-tlnJ
means. The conveyor deslgns for the products on the packagln~
machlne are cumbersome. In addltlon, when thls method Is ZO employed, labour sa~ety Is poor, and In general a comparatlvely wide safety zone Is necessary.
Another pack~sglng method known In the art In wh I ch the produc~ Is statlonary and the wrapplng o~ fllm around 'che sta-tlonary product Is performed by a klnd of cran~shaFt ~echanlsmWlth a rotata~le shaft. The greateSt drawback o~ th~s second prlor art method Is the appllcatlon of the tops1de tlIm onto the product. The use oF a label appllcator and pressln~ devlce also causes numerous problems. In addl~lon, l~bour safe~y Is even poorer than In the flrst method, and an even wlder saFety zone Is requlred.
The present Inventlon provldes an Improvement In pack-aglng maohlnes known In present art. In partlcular the Invel-tlon provldes a pactc~sglng machlne In whlc.h the drawbacks descrlbecl In the for~golng are a~levlated.
~ ~J~
A`~.
Accordlng to the present Inventlon there Is provlded an apparatus for Packaglng artlcles In f'llm materlal, comprlslrly a flrst frame structure adap~ed to recelve an artlcle to be wrapped In fllm materl~l whlie th~ artlcle Is malr~alned statlonary; a second non-rotating support frame mounted In sald flrst frame structure for reelprocatlng movement In up and down dlrectlons and means for selectlvely ralslng and lowerlng sald second sup-port frame; a frame assembly rotatable mounted on sald second non-rotatlng support frame so as to be ralsed and lowered there-wlth; and means mounted on sald second non-rotatlng support frame for rotatlng sald rotatable frame assembly; a roll of fllm mate rlal mounted on sald rotatable frame assembly; and means mounted on sald rotatable frame assembly for malntalnlng tenslon In the fllm materlal as the fllm mat~rlal Is payed out from sald fllm materlal roll. Sultably the comblnatlon further Includes pre~s-lng means mounted on sald flrst ~rame structure and arranged to descend onto the ar-tlcle belng packed durlng rotatlon of sald rotatable frame assembly. Deslrably sald tenslon maintalnlng means comprlse braklng and dlver~lng rolls mounted on sald ro-~at-able frame assembly.
In one embodlment of th~ present Inventlon the comblna-tlon further Includes a topslde Flim roll, ~eans for grlpplng and pulllng topslde fllm materlal from sald topslde fllm roll over the artlcle belng packaged and means for cuttIng the topslde ~ilm materlal.
In another embodlment of the present inventlon the com-blnatlon further Includes grlpplng means mounted on ~ald non-rotatlng reclprocable suppor~ ~rame ~or se~ectlvely engaglng andreleaslng fllm materlal durlng rotatlon of sald rotatable frame assembly.
In a still further embodlment nf the present Inventlon the comblnatlon further Includes means mounted on sald rotatable frame assembly For cwttln~ the flIm materlal and for seamlng the ~ 2 -~J`
cut end thereof.
Numerous sl~nlflcar)t advantages are galned. rhe appa-ratus Is appllcable to numerous produc~s, of dlf~eren-~ types and slzes, and automatlon Is feaslble ~Ith ease. In the apparatus oF
the Inventlon, no problems arl se I n the packaglng process from the topslde fllm pulllng; and, l~ needed, ~he devlce o~ the Inventlon may wlth ease be Fltted wlth a label applicator or marklng devlce.
~0 The Inventlon wlll now be descrlbed In more detall, by way of reference to the accompanylng drawlngs, In whlch:-Flg. 1 Is an advantageous embodIment of the apparatus accordlng to the Inventlon In elevatlonal vlew; and Flg. 2 shows the apparatus o~ Flg. 1 In top vlew.
In the embodlment shown In flg.s 1 and Z, the apparatus of the Inventlon In general has been Indicated wlth referencenumeral 10. The appara~us 10 comprlses a frame structure 11, In whlch has been dlsposed a rotatable frame assembly 12, arranged to be rotated by a rotator means 14. The supportlng frame of the rotatable frame assembly 12 Is Indlcated by the reference numeral
2~ 13. In thls embodlment, a motor 14 Is provlded to rotate the frame assembly 12 over a belt pulley 16, a belt 16 and a puli~y 17 belon~lng to the frame assembly 12.
In the rota-table fram~ as~embly 1Z has been moun-ted a roll of fllm materlal 18, as well as bra~lng and dlvertlng rolls 19, t'ne functlon of whlch Is to malntaln a sultable tenslon In the fllm comlng from the fllm roll 18. In the frame structure 11, a grlpplng ~ember 20 has been also provlde~.
The apparatus 10 moreover comprlses a cut-off and seam-ln~ means 21, and ~ pressln~ means 22~ By reFerence numeral Z3 - 2a -~A ..
~` ' ' ~ `'` ` :
2~
I s I nd I cated the F I xed, or a I ternat I ve I y movat) I e, ~rame part o f the press I ng 1~
20 ~:
30 ~ :
' :
:
-- 2 b --A
~ ~ .
. ~
means 22.
The appara-hls 10 furthermore compx:ises topslc~e filr[l~-u:L~
ing means and a topside Eilm cut~off means. In -the present elnb~
ment, an idler roll 24 and a -traction roll 25 have been provided to pull the topside film roll 26. Reference numeral 27 indicates the topside film cut-off means. Reference numeral 28 indica-tes a holder device for the edge of -the cut-off topside film. Reference numeral 29 indicates -the topside film gripping and pulling device.
The frame assembly 12 is raisable and lowerable in the vertical direction. In the present embodiment, the drive means 30 are disposed to move the supporting frame 13 of the frame assembly 12 up and down.
By the reference numeral 31 has been indicated the drive means of the gripping and pulling means 29 for the topside film material roll 26. Reference numeral 32 indicates a roller track, conveyor track or other equivalent conveyor by the aid of which the products to be packaged are transported to the packing device 10.
Reference numeral 33 indicates a photocell.
The operation of the device 10 of the invention is as follows: When the product to be packaged, fetched by the conveyor device 32, e.g. a pallet carrying packages, enters between -the height measuring cells 33, the frame assembly 12 is automatically adjusted to the proper height. The pallet moves into the apparatus 10, and the photocell 33 stops the pallet in the center. Thereafter, the pressing device 22 descends on the product, and the frame assembly 12 descends to its bottom position. Next, the frame assembly 12 starts to rotate when the rotating means 14 starts, whereby the initial end of the film in the gripping means 20 is lif-ted up, out of the way, and applied against -the side of the product. Subsequent to the first wrapping turn, the film comes free from the gripping device 20, and with the aid of the rotation of the ~ra~le assembly 12, the lower courses are wrapped around the product. After the first ~ 3 --top course, the Erame assembly 12 stops and descends a C.el^ tcl:in distance. ThereaEter, -the topside fi]m is pulled from -the topside film roll 26 over the product being pac]caged, and -the t~pside Eil is cut with the aid of the cut-off means 27, e.g. a resistallce wire. Next, the pulling claws of -the topside Eilm gripping and pulling means 29 let go, and the topside film descends on the pro-duct. Thereafter, the pressing means 22 descends again, to press down on the topside film and on -the product. Next, the frame assembly 12 starts to rotate again, and wraps the upper courses around the product. During the last wrapping turn, one half of the gripping means descends. After the film roll 18 has stopped, the gripping means closes, impacting the film. Thereafter, the cut-off and seaming means 21 is switched on, and the pressing means 22 ascends to its top position. Next, the finished product packed in film material passes out from the apparatus lO.
If needed, it is possible to install on the supporting frame of the frame assembly, for instance, a label applicator or other marking device by which the desired markings are made on -the product to be packaged.
In the foregoing, only one advantageous embodiment of the invention has been presented, and it is obvious to a person skilled in the art that numerous modifications thereof are possible within the scope of the inventive idea presented in the claims following below.
In the rota-table fram~ as~embly 1Z has been moun-ted a roll of fllm materlal 18, as well as bra~lng and dlvertlng rolls 19, t'ne functlon of whlch Is to malntaln a sultable tenslon In the fllm comlng from the fllm roll 18. In the frame structure 11, a grlpplng ~ember 20 has been also provlde~.
The apparatus 10 moreover comprlses a cut-off and seam-ln~ means 21, and ~ pressln~ means 22~ By reFerence numeral Z3 - 2a -~A ..
~` ' ' ~ `'` ` :
2~
I s I nd I cated the F I xed, or a I ternat I ve I y movat) I e, ~rame part o f the press I ng 1~
20 ~:
30 ~ :
' :
:
-- 2 b --A
~ ~ .
. ~
means 22.
The appara-hls 10 furthermore compx:ises topslc~e filr[l~-u:L~
ing means and a topside Eilm cut~off means. In -the present elnb~
ment, an idler roll 24 and a -traction roll 25 have been provided to pull the topside film roll 26. Reference numeral 27 indicates the topside film cut-off means. Reference numeral 28 indica-tes a holder device for the edge of -the cut-off topside film. Reference numeral 29 indicates -the topside film gripping and pulling device.
The frame assembly 12 is raisable and lowerable in the vertical direction. In the present embodiment, the drive means 30 are disposed to move the supporting frame 13 of the frame assembly 12 up and down.
By the reference numeral 31 has been indicated the drive means of the gripping and pulling means 29 for the topside film material roll 26. Reference numeral 32 indicates a roller track, conveyor track or other equivalent conveyor by the aid of which the products to be packaged are transported to the packing device 10.
Reference numeral 33 indicates a photocell.
The operation of the device 10 of the invention is as follows: When the product to be packaged, fetched by the conveyor device 32, e.g. a pallet carrying packages, enters between -the height measuring cells 33, the frame assembly 12 is automatically adjusted to the proper height. The pallet moves into the apparatus 10, and the photocell 33 stops the pallet in the center. Thereafter, the pressing device 22 descends on the product, and the frame assembly 12 descends to its bottom position. Next, the frame assembly 12 starts to rotate when the rotating means 14 starts, whereby the initial end of the film in the gripping means 20 is lif-ted up, out of the way, and applied against -the side of the product. Subsequent to the first wrapping turn, the film comes free from the gripping device 20, and with the aid of the rotation of the ~ra~le assembly 12, the lower courses are wrapped around the product. After the first ~ 3 --top course, the Erame assembly 12 stops and descends a C.el^ tcl:in distance. ThereaEter, -the topside fi]m is pulled from -the topside film roll 26 over the product being pac]caged, and -the t~pside Eil is cut with the aid of the cut-off means 27, e.g. a resistallce wire. Next, the pulling claws of -the topside Eilm gripping and pulling means 29 let go, and the topside film descends on the pro-duct. Thereafter, the pressing means 22 descends again, to press down on the topside film and on -the product. Next, the frame assembly 12 starts to rotate again, and wraps the upper courses around the product. During the last wrapping turn, one half of the gripping means descends. After the film roll 18 has stopped, the gripping means closes, impacting the film. Thereafter, the cut-off and seaming means 21 is switched on, and the pressing means 22 ascends to its top position. Next, the finished product packed in film material passes out from the apparatus lO.
If needed, it is possible to install on the supporting frame of the frame assembly, for instance, a label applicator or other marking device by which the desired markings are made on -the product to be packaged.
In the foregoing, only one advantageous embodiment of the invention has been presented, and it is obvious to a person skilled in the art that numerous modifications thereof are possible within the scope of the inventive idea presented in the claims following below.
Claims (6)
PROPERTY OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. An apparatus for packaging articles in film mate-rial, comprising a first frame structure adapted to receive an article to be wrapped in film material while the article is main-tained stationary; a second non-rotating support frame mounted in said first frame structure for reciprocating movement in up and down directions and means for selectively raising and lowering said second support frame; a frame assembly rotatably mounted on said second non-rotating support frame so as to be raised and lowered therewith; and means mounted on said second non-rotating support frame for rotating said rotatable frame assembly; a roll of film material mounted on said rotatable frame assembly; and means mounted on said rotatable frame assembly for maintaining tension in the film material as the film material is payed out from said film material roll.
2. The combination of claim 1, further including pressing means mounted on said first frame structure and arranged to descend onto the article being packed during rotation of said rotatable frame assembly.
3. The combination of claim 1, wherein said tension maintaining means comprise braking and diverting rolls mounted on said rotatable frame assembly.
4. The combination of claim 1, further including a topside film roll, means for gripping and pulling topside film material from said topside film roll over the article being pack-aged and means for cutting the topside film material.
5. The combination of claim 1, further including grip-ping means mounted on said non-rotating reciprocable support frame for selectively engaging and releasing film material during rotation of said rotatable frame assembly.
6. The combination of claim 1, further including means mounted on said rotatable frame assembly for cutting the film material and for seaming the cut end thereof.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI831375A FI831375L (en) | 1983-04-21 | 1983-04-21 | FOERPACKNINGSMASKIN. |
| FI831375 | 1983-04-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1254826A true CA1254826A (en) | 1989-05-30 |
Family
ID=8517086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000452511A Expired CA1254826A (en) | 1983-04-21 | 1984-04-19 | Packaging machine |
Country Status (7)
| Country | Link |
|---|---|
| CA (1) | CA1254826A (en) |
| DE (1) | DE3414964A1 (en) |
| FI (1) | FI831375L (en) |
| FR (1) | FR2544693B1 (en) |
| GB (1) | GB2138383B (en) |
| IT (1) | IT1196091B (en) |
| SE (1) | SE462387B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3344940A1 (en) * | 1983-12-13 | 1985-06-20 | Helmut 8561 Happurg Schenke | METHOD FOR WRAPPING STACKED GOODS |
| DE3541736A1 (en) * | 1985-11-26 | 1987-05-27 | Guenter Werner | Foil-wrapping machine for pallet packs and the like |
| GB2187430B (en) * | 1986-02-28 | 1989-11-08 | Fitzell Raymond | Bale wrapping |
| FR2606366B1 (en) * | 1986-11-12 | 1989-07-13 | Newtec Int | PASS-THROUGH PACKAGING PROCESS AND MACHINE |
| FI80418C (en) * | 1988-04-06 | 1990-06-11 | Haloila M Oy Ab | ANORDINATION OF FOERFARANDE FOR EXAMINATION AV EN OMSLAGSFILM VID INVECKLING. |
| SE9003250L (en) * | 1990-10-11 | 1992-04-12 | Anders Billberg Ab | wrapping |
| US9637255B2 (en) | 2012-12-26 | 2017-05-02 | The Raymond Corporation | Palletized load wrapping and transporting vehicle and method |
| CN106829012B (en) * | 2017-04-07 | 2018-12-11 | 王颖莉 | A kind of Portable door window frame packing device |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB868591A (en) * | 1958-01-22 | 1961-05-17 | Allin Larmuth | Improvements relating to wrapping machines |
| US3793798A (en) * | 1972-10-06 | 1974-02-26 | Lantech Inc | Shrink palletized process and apparatus |
| NO128909C (en) * | 1972-10-30 | 1975-12-23 | Holmek As | |
| US4178734A (en) * | 1975-07-09 | 1979-12-18 | Lancaster Patrick R | Reverse wrap |
| CA1064380A (en) * | 1976-05-28 | 1979-10-16 | William G. Lancaster | Automatic wrapping apparatus |
| US4109445A (en) * | 1977-07-26 | 1978-08-29 | Shulman Michael H | Overhead load-wrapping apparatus |
| US4282700A (en) * | 1979-04-12 | 1981-08-11 | Joseph Goldstein | Stretch wrapper for palletized load |
| SE432916B (en) * | 1980-01-08 | 1984-04-30 | Karl Johan Back | PROCEDURE AND DEVICE FOR DRAFT FILM PACKAGING |
| DE3106845A1 (en) * | 1980-02-27 | 1982-01-14 | Joseph R. 40223 Louisville Ky. Lancaster | "METHOD FOR PRODUCING A PACKING UNIT FROM MULTIPLE STACKED PARTS BY WRAPPING THROUGH A STRETCH FILM SHEET" |
| US4317322A (en) * | 1980-05-20 | 1982-03-02 | Lantech, Inc. | Rotatable film wrapping apparatus with wrap carrying mechanism |
| IT1137734B (en) * | 1981-07-20 | 1986-09-10 | Dario Manuli Spa | PROCEDURE AND EQUIPMENT FOR WINDING A PALLETIZED GROUP WITH EXTENSIBLE AND SELF-GLUEING FILM CONTINUOUSLY |
| US4524568A (en) * | 1982-08-27 | 1985-06-25 | Lantech, Inc. | Power assisted rotatable film wrapping apparatus |
-
1983
- 1983-04-21 FI FI831375A patent/FI831375L/en not_active Application Discontinuation
-
1984
- 1984-04-17 GB GB08409918A patent/GB2138383B/en not_active Expired
- 1984-04-18 SE SE8402184A patent/SE462387B/en not_active IP Right Cessation
- 1984-04-19 CA CA000452511A patent/CA1254826A/en not_active Expired
- 1984-04-19 IT IT20615/84A patent/IT1196091B/en active
- 1984-04-19 DE DE19843414964 patent/DE3414964A1/en active Granted
- 1984-04-20 FR FR8406351A patent/FR2544693B1/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| SE8402184D0 (en) | 1984-04-18 |
| SE8402184L (en) | 1984-10-22 |
| FR2544693A1 (en) | 1984-10-26 |
| GB2138383A (en) | 1984-10-24 |
| DE3414964A1 (en) | 1984-12-20 |
| GB8409918D0 (en) | 1984-05-31 |
| DE3414964C2 (en) | 1990-05-03 |
| IT8420615A0 (en) | 1984-04-19 |
| GB2138383B (en) | 1986-11-26 |
| IT8420615A1 (en) | 1985-10-19 |
| SE462387B (en) | 1990-06-18 |
| FI831375A0 (en) | 1983-04-21 |
| FI831375L (en) | 1984-10-22 |
| FR2544693B1 (en) | 1988-02-19 |
| IT1196091B (en) | 1988-11-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |