US20140301671A1 - Gusseted bags with a tab - Google Patents
Gusseted bags with a tab Download PDFInfo
- Publication number
- US20140301671A1 US20140301671A1 US14/213,182 US201414213182A US2014301671A1 US 20140301671 A1 US20140301671 A1 US 20140301671A1 US 201414213182 A US201414213182 A US 201414213182A US 2014301671 A1 US2014301671 A1 US 2014301671A1
- Authority
- US
- United States
- Prior art keywords
- bag
- tab
- gussets
- bags
- present
- 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.)
- Abandoned
Links
Images
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
- B65D33/00—Details of, or accessories for, sacks or bags
- B65D33/14—Suspension means
-
- 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
- B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
- B65D31/10—Bags or like containers made of paper and having structural provision for thickness of contents with gusseted sides
-
- 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
- B65D33/00—Details of, or accessories for, sacks or bags
- B65D33/001—Blocks, stacks or like assemblies of bags
-
- 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
- B65D33/00—Details of, or accessories for, sacks or bags
- B65D33/06—Handles
- B65D33/065—Integral handles
Definitions
- the present invention is directed to a bag comprising two exterior faces, an open mouth end defined by the exterior faces, a sealed bottom end joining the exterior faces, at least one gusset extending between the mouth end and the sealed bottom end, and at least one tab located in a tab region at the mouth end, wherein at least one gusset extends into the tab region.
- the present invention is for novel bags as more fully set forth herein.
- FIG. 1A is a front view of bag embodiment of the present invention.
- FIG. 1B is an end view of the bag shown in FIG. 1A ;
- FIG. 2 is an end view of a bag embodiment of the present invention.
- FIG. 3 is an end view of a bag embodiment of the present invention.
- bag 100 which is illustrated as a t-shirt-type bag, is shown. As illustrated, bag 100 has an open mouth end 102 and a sealed bottom end 104 at opposing longitudinal ends. In some embodiments, sealed bottom end 104 may be formed by a heat seal. Bag 100 also includes faces 106 (with a front face shown and a re face, not shown, on the rear side of the bag). Bag 100 also has laterally-spaced, upwardly extending handle portions 108 . Each handle portion 108 may include an aperture portion 110 for mounting a bag or a stack of bags on a dispensing rack system. In addition, bag 100 may include a detachable central tab 114 .
- bag 100 also includes gussets 116 , which have an inner gusset point 116 . Bag 100 is shown in a closed configuration in which the bag is not opened, i.e., front and rear faces 106 are back-to-back and the gussets are not open.
- bag 100 has four plies (or layers) of film in the gusseted regions and only two plies (or layers) of film in the region between the gusseted portions.
- gussets 116 extend within the center of bag 100 such that portions of each gusset 116 are disposed within central tab 114 .
- the outer portions of central tab 112 have four plies and the inner portion of central tab 114 (between gussets 116 ) has two plies.
- gussets may meet at the middle point of a central tab such that the central tab substantially has the same number of plies throughout.
- gussets may overlap.
- gussets 216 may overlap such that the entire bag, including the entire tab, has greater than two plies.
- a central tab for this bag (which is not visible from the end view but is located within the region indicated as A) has two outer portions with four flies and a central portion with six plies.
- gussets may overlap within only a portion of a central tab, such as shown in FIG. 3 , wherein the central tab (represented within region A) has two portions with four plies and one portion with six plies.
- the present invention may advantageously improve dispensing of bags from a bag stack.
- it may be desirable for the removal of a bag in the stack to adhere to the front (i.e., the first ply) of the subsequent bag in the stack so as to open the subsequent bag without removing the entire subsequent bag, such as described in U.S. Pat. No. 5,335,788 and U.S. Pat. No. 6,446,811, each of which is incorporated herein in its entirety by reference.
- a bag having gussets extending into the tab region may have more plies connected with a tab as compared with a bag in which the gussets do not extend within a tab region.
- such a bag may be more secured to the tab and less likely to be entirely removed from the stack upon the removal of a preceding bag in the stack.
- a bag in which the gussets do not extend into the tab region would only remain affixed to the tab by a single ply of the back face of the bag.
- the bag may remain attached to a tab by attachment with multiple layers in view of the additional layers in the tab region from the gussets.
- the bond of the front ply of a bag is not increased in strength by the extension of the gussets into the tab region, such that the front ply may continue to be pulled forward upon removal of a preceding bag from the stack.
- the present invention may provide a better self-opening feature in a bag stack with a tab and bags with one or more gussets.
- Bags and bag stacks of the present invention may be made using any conventional techniques known in the art, such as those described in U.S. Pat. No. 5,335,788 and U.S. Pat. No. 5,562,580, each of which is incorporated herein in its entirety by reference.
- bag materials used to make tabs may have the same composition as the underlying bag to which the tab is applied.
- Suitable bag materials bag may include any polymeric materials, including polyolefins.
- bag materials may include polyethylenes such as linear low density polyethylene (LLDPE), low density polyethylene (LDPE), high density polyethylene (HDPE), high molecular weight high density polyethylene (HMW-HDPE), and combinations thereof.
- LLDPE linear low density polyethylene
- LDPE low density polyethylene
- HDPE high density polyethylene
- HMW-HDPE high molecular weight high density polyethylene
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bag Frames (AREA)
Abstract
Description
- This application is a non-provisional application of U.S. Provisional Application No. 61/800,337, filed Mar. 15, 2013, which is hereby incorporated by referenced in its entirety.
- Many commercial establishments, such as retail stores, as well as consumers use bags for transporting articles such as groceries and other items. The present invention is directed to a novel embodiments of bags.
- The present invention is directed to a bag comprising two exterior faces, an open mouth end defined by the exterior faces, a sealed bottom end joining the exterior faces, at least one gusset extending between the mouth end and the sealed bottom end, and at least one tab located in a tab region at the mouth end, wherein at least one gusset extends into the tab region.
- The present invention is for novel bags as more fully set forth herein.
- The present invention may be better understood by reference to the description and figures that follow. It is to be understood that the invention is not limited in its application to the specific details as set forth in the following description and figures. The invention is capable of other embodiments and of being practiced or carried out in various ways.
- These and other features, aspects, and advantages of the present invention are better understood when the following detailed description is read with reference to the accompanying drawings, wherein:
-
FIG. 1A is a front view of bag embodiment of the present invention; -
FIG. 1B is an end view of the bag shown inFIG. 1A ; -
FIG. 2 is an end view of a bag embodiment of the present invention; and -
FIG. 3 is an end view of a bag embodiment of the present invention. - Reference will now be made in detail to various embodiments of the invention, one or more examples of which are illustrated in the accompanying drawings. Each example is provided by way of explanation, not limitation, of the invention. In fact, it will be apparent to those skilled in the art that modifications and variations can be made in the present invention without departing from the scope and spirit thereof. For instance, features illustrated or described as part of one embodiment may be used on another embodiment to yield a still further embodiment. Thus, it is intended that the present invention covers such modifications and variations as come within the scope of the appended claims and their equivalents.
- The use of reference characters with the same two ending digits as other reference characters to indicate structure in the present specification and drawings, without a specific discussion of such structure, is intended to represent the same or analogous structure in different embodiments.
- Referring to
FIG. 1A ,bag 100, which is illustrated as a t-shirt-type bag, is shown. As illustrated,bag 100 has anopen mouth end 102 and a sealedbottom end 104 at opposing longitudinal ends. In some embodiments, sealedbottom end 104 may be formed by a heat seal.Bag 100 also includes faces 106 (with a front face shown and a re face, not shown, on the rear side of the bag).Bag 100 also has laterally-spaced, upwardly extendinghandle portions 108. Eachhandle portion 108 may include anaperture portion 110 for mounting a bag or a stack of bags on a dispensing rack system. In addition,bag 100 may include a detachablecentral tab 114. which may have a slit oraperture 112 for mounting the hag on a dispensing rack system. As shown, aperture 113 permits separation of a bag fromcentral tab 114, although in other embodiments a perforated, or scored, line may be used. In some alternative embodiments, the tab may be integral to and not detachable frombag 100. As shown inFIG. 1A ,bag 100 also includesgussets 116, which have aninner gusset point 116.Bag 100 is shown in a closed configuration in which the bag is not opened, i.e., front andrear faces 106 are back-to-back and the gussets are not open. - As shown in the embodiment of
FIGS. 1A and 1B ,bag 100 has four plies (or layers) of film in the gusseted regions and only two plies (or layers) of film in the region between the gusseted portions. However, in the exemplary embodiment shown inFIGS. 1A and 1B ,gussets 116 extend within the center ofbag 100 such that portions of eachgusset 116 are disposed withincentral tab 114. As a result, the outer portions ofcentral tab 112 have four plies and the inner portion of central tab 114 (between gussets 116) has two plies. In some embodiments, gussets may meet at the middle point of a central tab such that the central tab substantially has the same number of plies throughout. - In some embodiments of the present invention, gussets may overlap. For example, as shown in
FIG. 2 ,gussets 216 may overlap such that the entire bag, including the entire tab, has greater than two plies. In addition, a central tab for this bag (which is not visible from the end view but is located within the region indicated as A) has two outer portions with four flies and a central portion with six plies. In other embodiments, gussets may overlap within only a portion of a central tab, such as shown inFIG. 3 , wherein the central tab (represented within region A) has two portions with four plies and one portion with six plies. - The present invention may advantageously improve dispensing of bags from a bag stack. In particular, in some bag stacks, it may be desirable for the removal of a bag in the stack to adhere to the front (i.e., the first ply) of the subsequent bag in the stack so as to open the subsequent bag without removing the entire subsequent bag, such as described in U.S. Pat. No. 5,335,788 and U.S. Pat. No. 6,446,811, each of which is incorporated herein in its entirety by reference. By utilizing embodiments of the present invention, a bag having gussets extending into the tab region may have more plies connected with a tab as compared with a bag in which the gussets do not extend within a tab region. Because more plies are connected to the tab in certain embodiments of the present invention, such a bag may be more secured to the tab and less likely to be entirely removed from the stack upon the removal of a preceding bag in the stack. In that regard, after the front face of a bag has been pulled open and detached from the tab after removal of the preceding bag in a stack, a bag in which the gussets do not extend into the tab region would only remain affixed to the tab by a single ply of the back face of the bag. By contrast, using some embodiments of the present invention in such circumstances, the bag may remain attached to a tab by attachment with multiple layers in view of the additional layers in the tab region from the gussets. At the same time, with respect to embodiments of the current invention, the bond of the front ply of a bag is not increased in strength by the extension of the gussets into the tab region, such that the front ply may continue to be pulled forward upon removal of a preceding bag from the stack. Thus, the present invention may provide a better self-opening feature in a bag stack with a tab and bags with one or more gussets.
- Bags and bag stacks of the present invention may be made using any conventional techniques known in the art, such as those described in U.S. Pat. No. 5,335,788 and U.S. Pat. No. 5,562,580, each of which is incorporated herein in its entirety by reference. In addition, as indicated above, bag materials used to make tabs may have the same composition as the underlying bag to which the tab is applied. Suitable bag materials bag may include any polymeric materials, including polyolefins. By way of example, and without limitation, bag materials may include polyethylenes such as linear low density polyethylene (LLDPE), low density polyethylene (LDPE), high density polyethylene (HDPE), high molecular weight high density polyethylene (HMW-HDPE), and combinations thereof. One of ordinary skill in the art will readily appreciate that other materials may be suitable, such as other thermoplastic materials, including copolymers.
- Although the foregoing examples are shown with respect to T-shirt bags, one of ordinary skill in the art will appreciate that the invention may also be used on other types of bags, such as, but not limited to, produce bags in a stack, produce bags on a roll, shopping bags on a roll, and other bag types. In addition, one of ordinary skill in the art will appreciate that although the preceding examples in the context of a detachable tab, gussets extending into integral and nondetachable tabs are also within the scope of the present invention.
- The foregoing description of illustrative embodiments of the invention has been presented only for the purpose of illustration and description and is not intended to be exhaustive or to limit the invention to the precise forms disclosed. Numerous modifications and adaptations thereof will be apparent to those of ordinary skill in the art without departing from the scope of the present invention.
- It will be understood that each of the elements described above, or two or more together, may also find utility in applications differing from the types described. While the invention has been illustrated and described in the general context of mixing in wastewater treatment systems and processes, it is not intended to be limited to the details shown since various modifications and substitutions can be made without departing in any way from the spirit and scope of the present invention. As such, further modifications and equivalents of the invention herein disclosed may occur to persons skilled in the art using no more than routine experimentation, and all such modifications and equivalents are believed to be within the spirit and scope of the invention as described herein.
Claims (9)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MX2015011397A MX2015011397A (en) | 2013-03-15 | 2014-03-14 | Gusseted bags with a tab. |
US14/213,182 US20140301671A1 (en) | 2013-03-15 | 2014-03-14 | Gusseted bags with a tab |
PCT/US2014/029337 WO2014144783A1 (en) | 2013-03-15 | 2014-03-14 | Gusseted bags with a tab |
CA2904449A CA2904449A1 (en) | 2013-03-15 | 2014-03-14 | Gusseted bags with a tab |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201361800337P | 2013-03-15 | 2013-03-15 | |
US14/213,182 US20140301671A1 (en) | 2013-03-15 | 2014-03-14 | Gusseted bags with a tab |
Publications (1)
Publication Number | Publication Date |
---|---|
US20140301671A1 true US20140301671A1 (en) | 2014-10-09 |
Family
ID=50543366
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US14/213,182 Abandoned US20140301671A1 (en) | 2013-03-15 | 2014-03-14 | Gusseted bags with a tab |
Country Status (4)
Country | Link |
---|---|
US (1) | US20140301671A1 (en) |
CA (1) | CA2904449A1 (en) |
MX (1) | MX2015011397A (en) |
WO (1) | WO2014144783A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20160159525A1 (en) * | 2014-12-03 | 2016-06-09 | Chidoriya Souke Co., Ltd. | Paper/plastic-film carrier bag and method for manufacturing plastic-film carrier bag |
US20180362216A1 (en) * | 2017-06-14 | 2018-12-20 | Steve Kohn | Flexible bags, or covers or t-sacks comprising recycled resin alone or in combination with virgin resin |
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2014
- 2014-03-14 MX MX2015011397A patent/MX2015011397A/en unknown
- 2014-03-14 CA CA2904449A patent/CA2904449A1/en not_active Abandoned
- 2014-03-14 WO PCT/US2014/029337 patent/WO2014144783A1/en active Application Filing
- 2014-03-14 US US14/213,182 patent/US20140301671A1/en not_active Abandoned
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US20160159525A1 (en) * | 2014-12-03 | 2016-06-09 | Chidoriya Souke Co., Ltd. | Paper/plastic-film carrier bag and method for manufacturing plastic-film carrier bag |
US20180362216A1 (en) * | 2017-06-14 | 2018-12-20 | Steve Kohn | Flexible bags, or covers or t-sacks comprising recycled resin alone or in combination with virgin resin |
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CA2904449A1 (en) | 2014-09-18 |
MX2015011397A (en) | 2016-02-03 |
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