CA1291459C - Flexible plastic bag with tearable handle having slide closure - Google Patents
Flexible plastic bag with tearable handle having slide closureInfo
- Publication number
- CA1291459C CA1291459C CA 517287 CA517287A CA1291459C CA 1291459 C CA1291459 C CA 1291459C CA 517287 CA517287 CA 517287 CA 517287 A CA517287 A CA 517287A CA 1291459 C CA1291459 C CA 1291459C
- Authority
- CA
- Canada
- Prior art keywords
- handle
- bag
- loop handle
- loop
- portions
- 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 - Lifetime
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/80—Packaging reuse or recycling, e.g. of multilayer packaging
Landscapes
- Bag Frames (AREA)
Abstract
FLEXIBLE PLASTIC BAG WITH TEARABLE
HANDLE HAVING SLIDE CLOSURE
Abstract Of The Disclosure A reusable flexible plastic bag 10 is provided with a handle 28 which serves to carry the bag 10 and to reseal it.
The bag is manufactured from two webs: a web 12 from which the bag panels 16, 18 are formed and a web 24 from which a loop handle 28 is formed. The top end of the bag is not provided with a gusset. The loop handle 28 is secured to the bag panels 16, 18 and is provided with a frangible region 58 which can be broken to form two separate handle portions. The handle portions 28 are releasably joined by mating slide closure structure 46, 48. The slide closure joint 46, 48 can be peeled away by pulling the handle portions apart thereby providing access to the folded top end of the bag. The top end of the bag may be provided with perforations 22 which may be broken to gain access to the bag 10 contents, The bag may be resealed by means of the handle slide closure 46, 48.
HANDLE HAVING SLIDE CLOSURE
Abstract Of The Disclosure A reusable flexible plastic bag 10 is provided with a handle 28 which serves to carry the bag 10 and to reseal it.
The bag is manufactured from two webs: a web 12 from which the bag panels 16, 18 are formed and a web 24 from which a loop handle 28 is formed. The top end of the bag is not provided with a gusset. The loop handle 28 is secured to the bag panels 16, 18 and is provided with a frangible region 58 which can be broken to form two separate handle portions. The handle portions 28 are releasably joined by mating slide closure structure 46, 48. The slide closure joint 46, 48 can be peeled away by pulling the handle portions apart thereby providing access to the folded top end of the bag. The top end of the bag may be provided with perforations 22 which may be broken to gain access to the bag 10 contents, The bag may be resealed by means of the handle slide closure 46, 48.
Description
FLEXIBLE PLASTIC BAG WITH TE,ARABLE
HANDLE HAVING SLIDE CLOSURE
Background Of The Invention This application is related to Canadian applicatio~
serial No. 501,352 on: Resealable ~eusable Flexible Plastic Bag With ~oop Handle filed February 7, 1986 in the name of the inventor herein and assigned to the assignee herein and Canadian applLcation Serial No. 514,242 on: Flexible Pilfer Proof Reusable Bag With Tearable Handle and Methoa Of Making Same filed July 21, 1986 in the name of the inventor herein and assigned to the assignee herein.
The invention is directed to the flexible packaging art. Flexible plastic bags of the general type involved herein are known. For example, see U.S. patent 4,252,269.
When goods are packaged and sealed in the bag as disclosed in said patent, the bag is destroyed when one gains access to the contents of the bag. Such destruction of the bay is considered to be an unnecessary waste. InApatent 4,573,203, there is disclosed a flexible plastic bag which enables goods to be sealed therein while allowing the seal to be broken whereby the goods can be accessed and the bag reused. In said patent, the bag is manufactured from two separate webs of flexible plastic material, one wèb being used to form the front and rear panels and gusset of the bag, and the other web being used to form a loop handle connected to the front and rear panels outside the gusset region. In copending appli~ation Serial No. 501,352 on:
Resealable Reusable Flexible Plastic Bag With Loop Handle, filed February 7, ~986 in the name of the inventor herein and assigned to the assignee herein, there is disclosed a , ~ :
~29~9 --2~
separate handle and slide closure, the slide closure com-prising mating portions secured to the bag gusset to pro-vide access to the goods in the bag. In copending appli-cation Serial No. 514,242 on: Flexible Pilfer Proof Reusable Bag With Tearable Handle and Method of Making Same, filed July 1, 1986 in the name of the inventor herein and assigned to the assignee herein, there is disclosed a gus-seted bag having a handle provided with a slide closure secured to the gusset.
The present invention is directed to the solution of the problem of constructing a flexible plastic bag by a high speed mass production technique wherein the handle structure of the bag may be utilized to both carry and reseal the bag.
Summary Of The Invention The present invention is directed to a flexible plastic bag which is reusable and has generally rectangu-lar front and rear panels and a closed end of the bag formed by a single fold of material without a gusset. The closed end of the bag may be provided with a frangible region, preferably defined by perforations therealong. A
loop handle secured to each panel is also provided with a frangible region, preferably defined by perforations, so as to be separable into two handle protions. The two handle portions are releasably joined together by a slide closure above the closed end of the bag.
For the purpose of illustrating the invention, there is shown in the drawings a form which is presently preferred;
it being understood, however, that this invention is not limited to the precise arrangements and instrumentalities shown.
Brief Description Of The Drawings Figures 1-3 show the manner in which the bag of the present invention may be mass produced from two separate moving websO
Figure 1 is a partial plan view of a continuous web of flexible plastic material.
~9~4~g Figure 2 is a partial plan view of the web in Figure 1 folded over to form a single fold region.
Figur~ 3 is a partial plan view of the web with a handle web attached thereto.
Figure 4 is a perspective view of the bag of the pre-sent invention prior to filling.
Figure 5 is a perspective view of a filled package made from the bag of the present invention.
Figure 6 is a section taken along 6-6 in Figure S.
Detailed Description Of The Invention Referring to the drawings, wherein like numerals in-dicate like elements, there is shown in Figure 5 a package 10 made from the bag of the present invention wherein the bag is produced by a high speed mass production technique from two separate webs of flexible plastic material. The package is sealed so as to prevent access to the goods except in a manner which will be readily apparent and described in greater detail hereafter. The package 10 is filled with a product such as feminine napkins. The bag assumes a flattened tube-shape due to the bag structure described hereafter.
Referring to Figures 1-3, the bag is constructed from a continuous moving web 12 of flexible thermoplastic material. Preferably, the web 12 is a single, unitary piece of material which is opaque and has printing on its outer surface. The web may be a laminate wherein an outer transparent layer is adhesively or otherwise bonded to an inner opaque layer having printing on its outer sur-face. The outer layer protects the printing. The web may be made of polypropylene, polyester, polyethylene, etc.
If desired, perforations 22 may be Eormed in web 12 to facilitate opening the bag as described hereafter.
; As shown in Figure 2, the web is folded over at fold line 14 to form overlying front and rear panels 16, 18.
It should be noted that web 12 is folded so as to form a single fold region only at the closed end of the bag.
Thus, no gusset is formed in the bag. Front panel 16 is , ~:
i9 shor~er in height than rear panel 18 whereby the rear panel has a tab 20 projecting beyond the front panel 16.
A continuous moving handle web 24 having spaced handle portions 26 therealong is applied to the web 12 as shown in Figure 3. The handle web 24 is made of a flexible thermoplastic material. The web may be made of polypropylene, polyester, polyethylene, etc. It is pre-ferred that the handle web be transparent. Each handle portion 26 includes a loop handle 28 provided with spaced parallel lines of perforations 30r 32 adjacent ribbed por-tions 34, 36. See Figure 5 and 6. Each handle portion 28 also includes flange portions 38, 40 which are line welded to panels 16, 18 respectively to secure the handle portion to the panels.
Aligned oval-shaped openings 42, 44 are die cut in loop handle 28. The openings 42, 44 permit the handle to be grasped by the user. The loop handle is provided with mating slide closure structure preferably in the form of a rib 46 and a groove 48 for frictionally receiving the rib. The user may releasably join the rib and groove simply by pressing a region of the rib and groove together between the thumb and forefinger and by sliding the fingers along the entire length of the rib and groove. The slide closure joint seals off and protects the closed end of the bag defined by the single-fold region 50 which extends between the line welds along handle flange portions 38, 40. See Figure 6.
Web 12 is cut along lines 52 which define the side edges of panel9 16, 18 and the side edges of the handle flange portions 38/ 40. The side edges of the panels and handle flange portions are heat welded together to form bag 54 as shown in Figure 4. The single fold region 50 defines the closed top end of the bag 5~. The bottom ends of the front and rear panels 16, 18 are open 50 that the bag may be "bottom loaded" with product through opening 56. See Figure ~.
~29~9 The bag 54 as shown in Figure 4 may be loaded as a stack of bags on a bagging machine with prongs or wickets extending through aligned holes (not shown) formed in the tab 20. When product is machine-fed into the bottom of the bag, it is done with sufficient force so as to strip the bag off the prongs by tearing the tab 20 proximal the holes. The bag is structurally Eormed so as to be capable of being machina-loaded with goods which causes the single fold region 50 to flatten at the closed end of the bag be-tween handle flange portions 38, ~0. The bag is formed so as to assume a generally flattened tubular shape when filled.
The open bottom end of the bag is then sealed by heat welding or the like to form the sealed package 10 shown in Figure 5.
The slide closure or press-lock joint running across the loop handle 28 completely seals the single fold region 50 at the closed top end of the bag. To break the seal and access the goods within the bag, tear-away handle portion 58 lying between the lines of perforation 30, 32 is stripped away from the handle. The reinforcing ribs 34, 36 proximal the handle bight contain the tear-away portion to the region of the loop handle bight. As a result, the loop handle is cleanly separated into two portions A, B which may then be pulled apart to break the slide closure joint by peeling rib 46 away from groove 48.
Such access does not destroy the utility of the bag, since the handle portions A, B remain intact, whereby the bag may be reused as a shopping bag once the contents are depleted.
Once the slide closure deEined by rib 46 and groove 48 is broken, the single fold region 50 may be severed by scissors or other sharp instrument to enter the bag.
Alternatively, if perforations 22 are provided in the web 12 (Figure 1), the single fold region 50 may be broken by pressing along the perforations.
The present invention may be embodied in other specific forms without departing from the spirit or essen-" ~l.29~4~9 tial attributes thereof and, accordingly, reference shouldbe made to the appended claims, rather than to the foregoing specification, as indicating the scope of the invention.
HANDLE HAVING SLIDE CLOSURE
Background Of The Invention This application is related to Canadian applicatio~
serial No. 501,352 on: Resealable ~eusable Flexible Plastic Bag With ~oop Handle filed February 7, 1986 in the name of the inventor herein and assigned to the assignee herein and Canadian applLcation Serial No. 514,242 on: Flexible Pilfer Proof Reusable Bag With Tearable Handle and Methoa Of Making Same filed July 21, 1986 in the name of the inventor herein and assigned to the assignee herein.
The invention is directed to the flexible packaging art. Flexible plastic bags of the general type involved herein are known. For example, see U.S. patent 4,252,269.
When goods are packaged and sealed in the bag as disclosed in said patent, the bag is destroyed when one gains access to the contents of the bag. Such destruction of the bay is considered to be an unnecessary waste. InApatent 4,573,203, there is disclosed a flexible plastic bag which enables goods to be sealed therein while allowing the seal to be broken whereby the goods can be accessed and the bag reused. In said patent, the bag is manufactured from two separate webs of flexible plastic material, one wèb being used to form the front and rear panels and gusset of the bag, and the other web being used to form a loop handle connected to the front and rear panels outside the gusset region. In copending appli~ation Serial No. 501,352 on:
Resealable Reusable Flexible Plastic Bag With Loop Handle, filed February 7, ~986 in the name of the inventor herein and assigned to the assignee herein, there is disclosed a , ~ :
~29~9 --2~
separate handle and slide closure, the slide closure com-prising mating portions secured to the bag gusset to pro-vide access to the goods in the bag. In copending appli-cation Serial No. 514,242 on: Flexible Pilfer Proof Reusable Bag With Tearable Handle and Method of Making Same, filed July 1, 1986 in the name of the inventor herein and assigned to the assignee herein, there is disclosed a gus-seted bag having a handle provided with a slide closure secured to the gusset.
The present invention is directed to the solution of the problem of constructing a flexible plastic bag by a high speed mass production technique wherein the handle structure of the bag may be utilized to both carry and reseal the bag.
Summary Of The Invention The present invention is directed to a flexible plastic bag which is reusable and has generally rectangu-lar front and rear panels and a closed end of the bag formed by a single fold of material without a gusset. The closed end of the bag may be provided with a frangible region, preferably defined by perforations therealong. A
loop handle secured to each panel is also provided with a frangible region, preferably defined by perforations, so as to be separable into two handle protions. The two handle portions are releasably joined together by a slide closure above the closed end of the bag.
For the purpose of illustrating the invention, there is shown in the drawings a form which is presently preferred;
it being understood, however, that this invention is not limited to the precise arrangements and instrumentalities shown.
Brief Description Of The Drawings Figures 1-3 show the manner in which the bag of the present invention may be mass produced from two separate moving websO
Figure 1 is a partial plan view of a continuous web of flexible plastic material.
~9~4~g Figure 2 is a partial plan view of the web in Figure 1 folded over to form a single fold region.
Figur~ 3 is a partial plan view of the web with a handle web attached thereto.
Figure 4 is a perspective view of the bag of the pre-sent invention prior to filling.
Figure 5 is a perspective view of a filled package made from the bag of the present invention.
Figure 6 is a section taken along 6-6 in Figure S.
Detailed Description Of The Invention Referring to the drawings, wherein like numerals in-dicate like elements, there is shown in Figure 5 a package 10 made from the bag of the present invention wherein the bag is produced by a high speed mass production technique from two separate webs of flexible plastic material. The package is sealed so as to prevent access to the goods except in a manner which will be readily apparent and described in greater detail hereafter. The package 10 is filled with a product such as feminine napkins. The bag assumes a flattened tube-shape due to the bag structure described hereafter.
Referring to Figures 1-3, the bag is constructed from a continuous moving web 12 of flexible thermoplastic material. Preferably, the web 12 is a single, unitary piece of material which is opaque and has printing on its outer surface. The web may be a laminate wherein an outer transparent layer is adhesively or otherwise bonded to an inner opaque layer having printing on its outer sur-face. The outer layer protects the printing. The web may be made of polypropylene, polyester, polyethylene, etc.
If desired, perforations 22 may be Eormed in web 12 to facilitate opening the bag as described hereafter.
; As shown in Figure 2, the web is folded over at fold line 14 to form overlying front and rear panels 16, 18.
It should be noted that web 12 is folded so as to form a single fold region only at the closed end of the bag.
Thus, no gusset is formed in the bag. Front panel 16 is , ~:
i9 shor~er in height than rear panel 18 whereby the rear panel has a tab 20 projecting beyond the front panel 16.
A continuous moving handle web 24 having spaced handle portions 26 therealong is applied to the web 12 as shown in Figure 3. The handle web 24 is made of a flexible thermoplastic material. The web may be made of polypropylene, polyester, polyethylene, etc. It is pre-ferred that the handle web be transparent. Each handle portion 26 includes a loop handle 28 provided with spaced parallel lines of perforations 30r 32 adjacent ribbed por-tions 34, 36. See Figure 5 and 6. Each handle portion 28 also includes flange portions 38, 40 which are line welded to panels 16, 18 respectively to secure the handle portion to the panels.
Aligned oval-shaped openings 42, 44 are die cut in loop handle 28. The openings 42, 44 permit the handle to be grasped by the user. The loop handle is provided with mating slide closure structure preferably in the form of a rib 46 and a groove 48 for frictionally receiving the rib. The user may releasably join the rib and groove simply by pressing a region of the rib and groove together between the thumb and forefinger and by sliding the fingers along the entire length of the rib and groove. The slide closure joint seals off and protects the closed end of the bag defined by the single-fold region 50 which extends between the line welds along handle flange portions 38, 40. See Figure 6.
Web 12 is cut along lines 52 which define the side edges of panel9 16, 18 and the side edges of the handle flange portions 38/ 40. The side edges of the panels and handle flange portions are heat welded together to form bag 54 as shown in Figure 4. The single fold region 50 defines the closed top end of the bag 5~. The bottom ends of the front and rear panels 16, 18 are open 50 that the bag may be "bottom loaded" with product through opening 56. See Figure ~.
~29~9 The bag 54 as shown in Figure 4 may be loaded as a stack of bags on a bagging machine with prongs or wickets extending through aligned holes (not shown) formed in the tab 20. When product is machine-fed into the bottom of the bag, it is done with sufficient force so as to strip the bag off the prongs by tearing the tab 20 proximal the holes. The bag is structurally Eormed so as to be capable of being machina-loaded with goods which causes the single fold region 50 to flatten at the closed end of the bag be-tween handle flange portions 38, ~0. The bag is formed so as to assume a generally flattened tubular shape when filled.
The open bottom end of the bag is then sealed by heat welding or the like to form the sealed package 10 shown in Figure 5.
The slide closure or press-lock joint running across the loop handle 28 completely seals the single fold region 50 at the closed top end of the bag. To break the seal and access the goods within the bag, tear-away handle portion 58 lying between the lines of perforation 30, 32 is stripped away from the handle. The reinforcing ribs 34, 36 proximal the handle bight contain the tear-away portion to the region of the loop handle bight. As a result, the loop handle is cleanly separated into two portions A, B which may then be pulled apart to break the slide closure joint by peeling rib 46 away from groove 48.
Such access does not destroy the utility of the bag, since the handle portions A, B remain intact, whereby the bag may be reused as a shopping bag once the contents are depleted.
Once the slide closure deEined by rib 46 and groove 48 is broken, the single fold region 50 may be severed by scissors or other sharp instrument to enter the bag.
Alternatively, if perforations 22 are provided in the web 12 (Figure 1), the single fold region 50 may be broken by pressing along the perforations.
The present invention may be embodied in other specific forms without departing from the spirit or essen-" ~l.29~4~9 tial attributes thereof and, accordingly, reference shouldbe made to the appended claims, rather than to the foregoing specification, as indicating the scope of the invention.
Claims (25)
1. Flexible plastic bag, comprising a unitary piece of flexible plastic material having generally rectangular front and rear panels and a single fold region integral with said panels at one end of the bag, a flexible plastic loop handle secured to said panels on either side of said fold region, said loop handle being frangible along a portion thereof such that the loop handle is separable at said frangible portion into handle portions which remain secured to the panels, and said loop handle including means for releasably joining the two handle portions together so as to prevent access to said single fold region.
2. A bag according to claim 1, wherein said single fold region is provided with perforations so as to facilitate breaking said region to access the interior of the bag.
3. A bag according to claim 1, wherein said loop handle frangible portion includes a tear-away portion for separating the handle into said two portions.
4. A bag according to claim 3, wherein said tear-away portion is defined by perforations in said handle.
5. A bag according to claim 1, wherein at least a portion of the side edges of said loop handle and said single fold region are connected together such that said bag assumes a generally flattened, tubular shape when filled, with said single fold region forming a closed end of the bag.
6. A bag according to claim 1, wherein said means for releasably joining said two handle portions includes a rib on one handle portion and a groove on the other handle portion for receiving the rib, said rib and groove defining a slide closure.
7. A bag according to claim 1, wherein said loop handle is frangible along a portion thereof such that the loop handle is separable at the frangible portion into two handle portion which remain secure to the panels.
8. A bag according to claim 7, wherein each handle portion includes a substantially oval opening, said frangible portion being disposed above a grippable portion of each opening.
9. A bag according to claim 8, wherein said frangible portion comprises at least one line of perforations disposed substantially parallel to a longitudinal axis of the oval openings.
10. A bag according to claim 8, wherein the frangible portion comprises two parallel lines of perforations disposed substantially parallel with a longitudinal axis of the means for releasably joining the two handle portions together.
11. A bag according to claim 7, further comprising two reinforcing ribs disposed above grip portions of the two handle portions and substantially parallel to the frangible portion.
12. A bag according to claim 1, wherein said flexible plastic loop handle is secured to said panels outside said fold region.
13. A bag according to claim 1, wherein said loop handle is provided with a pair of finger grip openings.
14. A bag according to claim 1, wherein said front and rear panels are open at the other end of the bag to facilitate introducing goods into the bag.
15. Method of making a flexible plastic bag, comprising providing a unitary web of flexible plastic material, folding said web along a fold line to form generally rectangular overlying front and rear panels and a single fold region integral with said panels, providing a loop handle having a frangible portion whereby the loop handle is separable along the frangible portion into two handle portions, said loop handle having structure for releasably joining the two handle portions, and securing the loop handle to said panels on either side of said fold region such that said two handle portions remain secured to panels when said loop handle is separated at said frangible portion.
16. Method according to claim 15, including providing said web with a frangible region by perforating said web.
17. Method according to claim 15, including joining at least a portion of the side edges of said loop handle and the side edges of the single fold region such that said bag assumes a generally flattened tubular shape when filled.
18. Method according to claim 15, wherein the loop handle is secured to said panel outside said fold region.
19. Method according to claim 17, wherein said step of joining said side edges of said handle and said single fold region include heat welding said side edges.
20. A method according to claim 15, wherein said step of providing the loop handle includes the step of providing the loop handle with a frangible portion therein whereby the loop handle is separable along the frangible portion into two handle portions.
21. A method according to claim 20, wherein the step of providing the loop handle includes the step of providing each handle portion with a substantially oval opening, the frangible portion being disposed between the oval openings of the two handle portions.
22. A method according to claim 21, wherein said step of providing the loop handle includes the step of providing a frangible portion comprising at least one line of perforations disposed substantially parallel to a longitudinal axis of said oval openings.
23. A method according to claim 15, wherein the step of providing the loop handle includes the step of providing a frangible portion above grippable sections of said two loop handle portions, wherein the frangible portion comprises two parallel lines of perorations disposed substantially parallel with a longitudinal axis of the structure for releasably joining the two handle portions together.
24. A method according to claim 15, further comprising the step of forming at least one reinforcing rib above grippable portions of the loop handle.
25. A method according to claim 15, wherein the step of providing the loop handle includes the step of providing a frangible portion in the loop handle above grippable sections of the two handle portions, and further comprising the step of forming at least one reinforcing rib in the loop handle below the frangible portion and above the grippable portions.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US863,491 | 1977-12-22 | ||
| US821,561 | 1986-01-21 | ||
| US06/821,561 US4713839A (en) | 1982-06-14 | 1986-01-21 | Resealable reusable flexible plastic bag with loop handle |
| US85556186A | 1986-04-25 | 1986-04-25 | |
| US855,561 | 1986-04-25 | ||
| US86349186A | 1986-05-15 | 1986-05-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1291459C true CA1291459C (en) | 1991-10-29 |
Family
ID=27420142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 517287 Expired - Lifetime CA1291459C (en) | 1986-01-21 | 1986-09-02 | Flexible plastic bag with tearable handle having slide closure |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1291459C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6318555B1 (en) | 1996-06-27 | 2001-11-20 | Kimberly-Clark Worldwide, Inc. | Flexible packaging bag with visual display feature |
-
1986
- 1986-09-02 CA CA 517287 patent/CA1291459C/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6318555B1 (en) | 1996-06-27 | 2001-11-20 | Kimberly-Clark Worldwide, Inc. | Flexible packaging bag with visual display feature |
| US6491165B2 (en) | 1996-06-27 | 2002-12-10 | Kimberly-Clark Worldwide, Inc. | Flexible packaging bag with visual display feature |
| US7021466B2 (en) | 1996-06-27 | 2006-04-04 | Kimberly-Clark Worldwide, Inc. | Flexible packaging bag with visual display feature |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |