US3774838A - Plastic bag construction - Google Patents

Plastic bag construction Download PDF

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Publication number
US3774838A
US3774838A US3774838DA US3774838A US 3774838 A US3774838 A US 3774838A US 3774838D A US3774838D A US 3774838DA US 3774838 A US3774838 A US 3774838A
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United States
Prior art keywords
bag
portions
tie
front
panels
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Expired - Lifetime
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E Christie
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E Christie
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D33/00Details of, or accessories for, sacks or bags
    • B65D33/16End- or aperture-closing arrangements or devices
    • B65D33/1608Integral flaps for tying above the bag
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65FGATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
    • B65F1/00Refuse receptacles; Accessories therefor
    • B65F1/0006Flexible refuse receptables, e.g. bags, sacks
    • B65F1/002Flexible refuse receptables, e.g. bags, sacks with means for opening or closing of the receptacle

Abstract

An embodiment of the invention disclosed herein comprises a plastic bag construction having tie portions formed as an integral part of the bag which are used to close the top of the bag when filled. The bag is formed of a flattened flexible plastic tube having front and back panels and folded in portions extending along the side edges of the panels. A weld is formed along the bottom edges of the panels to close the bag and a weld is formed along the top edges of the panels to hold together the front and back panel portions which form the tie portions. A struck out portion is formed through the front and back panels near the top edges thereof and the material between the struck out portion and the top edges of the panels will form the integral tie portions.

Description

United States Patent [19] Christie [451 Nov. 27, 1973 3,480,198 11/1969 Repko ..229/62X Primary Examiner-George E. Lowrance Assistant ExaminerStephen P. Garbe Attorney-Roy H. Olson et al.

[5 7] ABSTRACT tions formed as an integral part of the bag which are used to close the top of the bag when filled. The bag is formed of a flattened flexible plastic tube having front and back panels and folded in portions extending along the side edges of the panels. A weld is formed along the bottom edges of the panels to close the bag and a weld is formed along the top edges of the panels to hold together the front and back panel portions which form the tie portions. A struck out portion is formed through the front and back panels near the top edges thereof and the material between the struck out portion and the top edges of-the panels will form the integral tie portions. I

7 Claims, 8 Drawing Figures BACKGROUND OF THE INVENTION This invention relates generally to a bag construction and more particularly to. a one piece plastic bag construction which has tie portions formed as an integral part thereof.

The use of plastic bags for refuse and storage of particular materials is becoming more prevalent. Such plastic bags provide a simple and inexpensive means for sealing the material contained therein against moisture and/or vermin such as rats. In many cities such plastic refuse bags are required to be used for the disposal of garbage. This was made necessary because of the large rat populations and it, is attempted to reduce this large rat population by reducing or eliminating supply of garbage upon which the rats feed. When using plastic bags as garbage containers, they must be sealed or tied off at their upper ends to be effective.

Several prior art bags provide either tear-off portions formed on the bag to'be used as a tie or they provide a wire tie which is either loosely supplied or removably fastened to the exterior of the plastic bag whichis removed for tying the top end. While this type of tie is effective in initially closing off the bag, it becomes a questionable matter when, for some reason, the bag is to be reopened and again sealed. When'this is the case, many times the tie will become broken or lost and subsequent closing of the bag cannot be accomplished. In this instance rodent control is defeated.

SUMMARY OF'TI-IE INVENTION.

Accordingly, it is an object of this invention to provide an improved plastic bag for use as a refuse bag which has tie portions formed as an integral part of the bag to tie off the top end thereof.

- Another object of this invention is to provide an improved plastic bag which has. tie portions extending along the top edge of the bag from side to side the full width thereof but which, when separated to form the tie, will have a total length which is greater than the width of the bag.

A feature of the bag construction of this invention is that a struck out portion at the top end of the bag not only forms the tie portions for the bag but also passes through the side folded in portions of the bag panels to fonn carrying handles for the bag.

, Other objects, features and advantages will become more fully apparent from the following detailed description when taken in conjunction with the accompanying drawings wherein like reference numerals throughout the various views of the drawings are intended to designate similar elements or components.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a plan view of one form of bag construction in accordance with this invention;

FIG. 2 is a sectional view of the bag of FIG. 1 taken along line 2--2;

FIG. 3 illustrates the bag of FIG. 1 with the tie portions separated;

FIG. 4 is a plan view of an alternate bag construction in accordance with this invention; FIG. 5 is the bag of FIG. 1 shown with the tie portions separated;

FIG. 6 is a plan view of still another alternate form of bag Construction in accordance with this invention which has tie portions having an effective length I greater than the width of the bag;

FIG. 7 shows the bag of FIG. 6 with the tie portions separated; and p I FIG. 8 shows a bag of the invention with an upper end thereof tied off and sealed.

DETAILED DESCRIPTION OF THE ILLUSTRATED EMBODIMENTS Referring now to FIG. 1, a bag construction of this invention is illustrated and designated generally by reference numeral 10. The bag 10 is formed of a flattened flexible plastic tube of any suitable material such as, for example, polyethylene. The plastic material forming the bag is to be readily heat sealable to facilitate mass production with conventional equipment.

The bag 10 has front and back panels 12 and 14, respectively, which are heat sealed together along their. bottom edges by a weld l5. Folded in portions 16 and 18 are provided to increase the volume of the bag when used, as best seen in FIG. 2. A struck out portion 20 is formed at the upper end of the bag slightly spaced from the top edges thereof to form a tie portion 22. In this instance the tie portion 22 has a tear line 24 formed substantially parallel to the longitudinal axis of the bag. Also, the struck out portion 20 has a transverse extent sufficient to engage with and cut through the innermost edges of the folded in portions 16 and 18 to thereby form handles for the bag in a manner to be described. A weld 26 is formed across the top edges of the bag to seal together the front and back panel portions which are used to fonn the tie portion 22. Therefore, the welded condition of the upper end of the'bag together with the cut through condition of the folded in portions 16 and 18 form the carrying handles of the bag to facilitate transporting a filled bag prior to tying off the upper end thereof.

I The bag 10, as seen in FIG. 3, has the upper tie portion 22 thereof separated into two tie portions 22a and 22b. These tie portions are then readily manually manipulated to close the bag by a knot 30, as best seen in FIG. 8. 1

FIGS. 4 and 5 illustrate an alternate form of bag construction and is designated generally by reference numeral 10a. Here the struck out portion 20 is circular-in configuration and is designated by reference numeral 20a. The struck out portion 20a also has a maximum transverse extent sufficient to cut through the folded in portions of the bag to form carrying handles for the bag. The tie portion 22 is severable along the tear line 24 in the same manner as the bag 10 of FIG. 1 and is shown in this severed condition in FIG. 5.

Referring to FIGS. 6 and 7, still another form of bag construction is shown and designated by reference numeral 10b. Here the struck out portion 20b is rectangular in configuration and passes through the folded in portions 16 and 18 to form carrying handles as mentioned above. Most advantageously, a tie portion 32 is formed at the upper end of the bagand has a diagonally displaced tear line 34 formed substantially centrally of What has been described is a simple bag construction wherein tie portions are formed as an integral part of the bag and which tie portions can be formed to have an effective length greater than the width of the bag which forms the tie portions. Although only three embodiments of this invention are illustrated herein, it will be understood that variations and modifications may be effected without departing from the spirit and scope of the novel concepts disclosed and claimed herein.

The invention is claimed as follows:

1. A bag construction composed of weldable sheet material in the form of a flattened flexible plastic tube having front and back panels and folded in portions extending along the side edge of said panels, a weld formed along the bottom edges of said panels and said folded in portions to form a closed bottom for the bag, a struck out portion through both front and back panels near the top edges thereof but spaced therefrom sufficient to form a tie portion extending across the top of the bag, said struck out portion passing through the innermost portions of said folded in portions to form diametrically opposed handles for the bag, and a tear line formed through said tie portion to allow pulling apart thereof into two lengths to be tied together for closing off the top of the bag so formed.

2. The bag construction of claim 1 further including a weld formed along the top edges of said front and back panels and said folded in portions to hold together the front and back panel portions forming said tie portion.

3. The bag construction of claim 1 wherein said struck out portion is rectangular in configuration.

4. The bag construction of claim 1 wherein said struck out portion is circular in configuration.

5. The bag construction of claim 1 wherein said tear line is parallel to the longitudinal axis of said bag.

6. The bag construction of claim 1 wherein said tear line is transverse to the longitudinal axis of said bag to provide two tie portions having a total effective length greater than the width of the bag.

7. The bag construction of claim 1 further including a weld formed along the top edges of said front and back panels and said folded in portions to hold together the front and back portions forming said tie portion, said struck out portion passing through the innermost portions of said folded in portions to form handles, and said tear line is transverse to the longitudinal axis of said bag to provide two tie portions having a total effec-' tive length greater than the width of the bag.

Claims (7)

1. A bag construction composed of weldable sheet material in the form of a flattened flexible plastic tube having front and back panels and folded in portions extending along the side edge of said panels, a weld formed along the bottom edges of said panels and said folded in portions to form a closed bottom for the bag, a struck out portion through both front and back panels near the top edges thereof but spaced therefrom sufficient to form a tie portion extending across the top of the bag, said struck out portion passing through the innermost portions of said folded in portions to form diametrically opposed handles for the bag, and a tear line formed through said tie portion to allow pulling apart thereof into two lengths to be tied together for closing off the top of the bag so formed.
2. The bag construction of claim 1 further including a weld formed along the top edges of said front and back panels and said folded in portions to hold together the front and back panel portions forming said tie portion.
3. The bag construction of claim 1 wherein said struck out portion is rectangular in configuration.
4. The bag construction of claim 1 wherein said struck out portion is circular in configuration.
5. The bag construction of claim 1 wherein said tear line is parallel to the longitudinal axis of said bag.
6. The bag construction of claim 1 wherein said tear line is transverse to the longitudinal axis of said bag to provide two tie portions having a total effective length greater than the width of the bag.
7. The bag construction of claim 1 further including a weld formed along the top edges of said front and back panels and said folded in portions to hold together the front and back portions forming said tie portion, said struck out portion passing through the innermost portions of said folded in portions to form handles, and said tear line is transverse to the longitudinal axis of said bag to provide two tie portions having a total effective length greater than the width of the bag.
US3774838D 1971-10-12 1971-10-12 Plastic bag construction Expired - Lifetime US3774838A (en)

Priority Applications (1)

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US18814271A true 1971-10-12 1971-10-12

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US3774838A true US3774838A (en) 1973-11-27

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US3774838D Expired - Lifetime US3774838A (en) 1971-10-12 1971-10-12 Plastic bag construction

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US (1) US3774838A (en)
JP (1) JPS5510460B2 (en)
AU (1) AU461628B2 (en)
CA (1) CA963435A (en)
DE (1) DE2245660A1 (en)
FR (1) FR2156252B1 (en)
GB (1) GB1407483A (en)
IT (1) IT965497B (en)
SE (1) SE395134B (en)

Cited By (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3877900A (en) * 1973-12-10 1975-04-15 Ammco Tools Inc Dust collector
US4066166A (en) * 1976-09-16 1978-01-03 Illinois Tool Works Inc. Bottle multipackage
US4363405A (en) * 1981-07-20 1982-12-14 Christie Eugene P Dispensing carton for plastic grocery bags
US4480750A (en) * 1984-05-17 1984-11-06 Sonoco Products Company Bag construction
US4529090A (en) * 1984-06-25 1985-07-16 Sonoco Products Company Bag construction with mounting tab
US4813792A (en) * 1988-06-03 1989-03-21 Mobil Oil Corporation Hand-grip for thermoplastic draw tape handles for thermoplastic bags
USRE33122E (en) * 1977-03-17 1989-12-05 Mobil Oil Corporation Apparatus for loading bags
US4890736A (en) * 1986-07-23 1990-01-02 Johannes Lourence C Bags
US4938608A (en) * 1988-04-25 1990-07-03 Daniel Espinosa Double-section plastic produce bag
US5246110A (en) * 1986-07-15 1993-09-21 Greyvenstein Lourence C J Refuse bags and methods of manufacture thereof
US5265961A (en) * 1991-09-13 1993-11-30 Mobil Oil Corporation Plastic grocery bag having draw-tape closure and flat bottom
US5282686A (en) * 1992-10-02 1994-02-01 Haber Terry M Shopping bag having closure means
US5566873A (en) * 1993-12-15 1996-10-22 Marguerite Guido, Trustee For Joseph J. Guido Dispenser for flexible webbing
US5908244A (en) * 1998-03-05 1999-06-01 Galambos; Louis G. Plastic film bag with locking closure feature
US6183132B1 (en) 1999-12-03 2001-02-06 Ebrahim Simhaee Refuse bags with integral ties and method of manufacture
US6220753B1 (en) * 1999-08-04 2001-04-24 Michael A. Metzger Plastic liner bag with mouth retaining means
US6443617B2 (en) * 2000-01-18 2002-09-03 Windmoeller & Hoelscher Resealable sack or bag
US20030161554A1 (en) * 2002-02-22 2003-08-28 Patridge Clifford H. Trash bags with narrowing seals to facilitate gripping
US6695476B2 (en) * 2000-06-19 2004-02-24 The Procter & Gamble Company Bag with extensible handles
US20040141662A1 (en) * 2003-01-21 2004-07-22 Tri-State Hospital Supply Corporation Strap-on waste container
US6860400B2 (en) 2003-03-18 2005-03-01 Caraustar Custom Packaging Container with friction dispenser
US6863212B2 (en) 2003-03-11 2005-03-08 Caraustar Custom Packaging Reclosable container
US6866189B2 (en) 2003-04-07 2005-03-15 Caraustar Custom Packaging Retail carton and baking tray
US6871778B2 (en) 2003-04-07 2005-03-29 Caraustar Custom Packaging Container for holding and dispensing multiple types of items
US20060076406A1 (en) * 2004-10-08 2006-04-13 Target Brands, Inc. Check-out counter systems and methods
US20060165319A1 (en) * 2005-01-21 2006-07-27 Pactiv Corporation Polymeric bags with narrowing seals
WO2007026301A2 (en) * 2005-08-30 2007-03-08 The Procter & Gamble Company Hanging secondary package of disposable absorbent articles
US20070262082A1 (en) * 2006-05-12 2007-11-15 Butcher Rebecca R Serially attached bag dispenser with gripping orifice through which bags are dispensed and suspended
US20080212903A1 (en) * 2005-10-28 2008-09-04 Germanow John W Disposable Bag for Hygienic Disposal of a Feminine Hygiene Product
US20110026858A1 (en) * 2009-07-29 2011-02-03 Bimbo, S.A. Bag for different products
US20130279831A1 (en) * 2012-04-18 2013-10-24 Texas Ice Express, LLC Bag closure construction
US8690429B1 (en) * 2007-04-11 2014-04-08 The Scensible Source Co., LLC Liner bag for feminine hygiene waste receptacles

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5564918U (en) * 1978-10-27 1980-05-02
JPS57117952U (en) * 1981-01-17 1982-07-22
FR2632274B1 (en) * 1988-06-06 1990-09-21 Capy Gilbert A closure bags has thin, flexible walls

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3217971A (en) * 1964-08-13 1965-11-16 Roman E Shvetz Containers formed of flexible sheet material providing one or more tie-strips
US3326449A (en) * 1964-05-13 1967-06-20 British Visqueen Ltd Gusseted plastic bag
US3480198A (en) * 1967-11-03 1969-11-25 Dow Chemical Co Bag opening device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3326449A (en) * 1964-05-13 1967-06-20 British Visqueen Ltd Gusseted plastic bag
US3217971A (en) * 1964-08-13 1965-11-16 Roman E Shvetz Containers formed of flexible sheet material providing one or more tie-strips
US3480198A (en) * 1967-11-03 1969-11-25 Dow Chemical Co Bag opening device

Cited By (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3877900A (en) * 1973-12-10 1975-04-15 Ammco Tools Inc Dust collector
US4066166A (en) * 1976-09-16 1978-01-03 Illinois Tool Works Inc. Bottle multipackage
USRE33122E (en) * 1977-03-17 1989-12-05 Mobil Oil Corporation Apparatus for loading bags
US4363405A (en) * 1981-07-20 1982-12-14 Christie Eugene P Dispensing carton for plastic grocery bags
US4480750A (en) * 1984-05-17 1984-11-06 Sonoco Products Company Bag construction
US4529090A (en) * 1984-06-25 1985-07-16 Sonoco Products Company Bag construction with mounting tab
US5246110A (en) * 1986-07-15 1993-09-21 Greyvenstein Lourence C J Refuse bags and methods of manufacture thereof
US4890736A (en) * 1986-07-23 1990-01-02 Johannes Lourence C Bags
US4938608A (en) * 1988-04-25 1990-07-03 Daniel Espinosa Double-section plastic produce bag
US4813792A (en) * 1988-06-03 1989-03-21 Mobil Oil Corporation Hand-grip for thermoplastic draw tape handles for thermoplastic bags
WO1991008961A1 (en) * 1989-12-18 1991-06-27 Daniel Espinoza Double section plastic produce bag
US5265961A (en) * 1991-09-13 1993-11-30 Mobil Oil Corporation Plastic grocery bag having draw-tape closure and flat bottom
US5282686A (en) * 1992-10-02 1994-02-01 Haber Terry M Shopping bag having closure means
US5566873A (en) * 1993-12-15 1996-10-22 Marguerite Guido, Trustee For Joseph J. Guido Dispenser for flexible webbing
US5908244A (en) * 1998-03-05 1999-06-01 Galambos; Louis G. Plastic film bag with locking closure feature
US6220753B1 (en) * 1999-08-04 2001-04-24 Michael A. Metzger Plastic liner bag with mouth retaining means
US6183132B1 (en) 1999-12-03 2001-02-06 Ebrahim Simhaee Refuse bags with integral ties and method of manufacture
US6443617B2 (en) * 2000-01-18 2002-09-03 Windmoeller & Hoelscher Resealable sack or bag
US6695476B2 (en) * 2000-06-19 2004-02-24 The Procter & Gamble Company Bag with extensible handles
US20030161554A1 (en) * 2002-02-22 2003-08-28 Patridge Clifford H. Trash bags with narrowing seals to facilitate gripping
US20060030469A1 (en) * 2002-02-22 2006-02-09 Pactiv Corporation Trash bags with narrowing seals to facilitate gripping
US6966697B2 (en) 2002-02-22 2005-11-22 Pactiv Corporation Trash bags with narrowing seals to facilitate gripping
US7344309B2 (en) 2002-02-22 2008-03-18 Pactiv Corporation Trash bags with narrowing seals to facilitate gripping
US20080214375A1 (en) * 2002-02-22 2008-09-04 Patridge Clifford H Trash Bags With Narrowing Seals To Facilitate Gripping
US6874936B2 (en) * 2003-01-21 2005-04-05 Tri-State Hospital Supply Corporation Strap-on waste container
US20040141662A1 (en) * 2003-01-21 2004-07-22 Tri-State Hospital Supply Corporation Strap-on waste container
US6863212B2 (en) 2003-03-11 2005-03-08 Caraustar Custom Packaging Reclosable container
US6860400B2 (en) 2003-03-18 2005-03-01 Caraustar Custom Packaging Container with friction dispenser
US6871778B2 (en) 2003-04-07 2005-03-29 Caraustar Custom Packaging Container for holding and dispensing multiple types of items
US6866189B2 (en) 2003-04-07 2005-03-15 Caraustar Custom Packaging Retail carton and baking tray
US20060076406A1 (en) * 2004-10-08 2006-04-13 Target Brands, Inc. Check-out counter systems and methods
US7255271B2 (en) 2004-10-08 2007-08-14 Target Brands, Inc. Check-out counter systems and methods
US7578440B2 (en) 2004-10-08 2009-08-25 Target Brands, Inc. Check-out counter systems and methods
US20080033830A1 (en) * 2004-10-08 2008-02-07 Target Brands, Inc. Check-out counter systems and methods
US20060165319A1 (en) * 2005-01-21 2006-07-27 Pactiv Corporation Polymeric bags with narrowing seals
WO2007026301A3 (en) * 2005-08-30 2007-06-07 Procter & Gamble Hanging secondary package of disposable absorbent articles
WO2007026301A2 (en) * 2005-08-30 2007-03-08 The Procter & Gamble Company Hanging secondary package of disposable absorbent articles
US10258519B2 (en) 2005-10-28 2019-04-16 The Scensible Source Co. Llc Disposable bag for hygienic disposal of a feminine hygiene product
US8282280B2 (en) 2005-10-28 2012-10-09 Scensible Source Co., Llc Disposable bag for hygienic disposal of a feminine hygiene product
US20080212903A1 (en) * 2005-10-28 2008-09-04 Germanow John W Disposable Bag for Hygienic Disposal of a Feminine Hygiene Product
US20070262082A1 (en) * 2006-05-12 2007-11-15 Butcher Rebecca R Serially attached bag dispenser with gripping orifice through which bags are dispensed and suspended
US9957105B2 (en) 2007-04-11 2018-05-01 The Scensible Source Co., LLC Liner bag for feminine hygiene waste receptacles
US8690429B1 (en) * 2007-04-11 2014-04-08 The Scensible Source Co., LLC Liner bag for feminine hygiene waste receptacles
US20110026858A1 (en) * 2009-07-29 2011-02-03 Bimbo, S.A. Bag for different products
USD863976S1 (en) 2012-04-18 2019-10-22 Texas Ice Express, LLC Bag closure construction
USD835518S1 (en) * 2012-04-18 2018-12-11 Texas Ice Express, LLC Bag closure construction
US20130279831A1 (en) * 2012-04-18 2013-10-24 Texas Ice Express, LLC Bag closure construction

Also Published As

Publication number Publication date
GB1407483A (en) 1975-09-24
DE2245660A1 (en) 1973-04-19
JPS5510460B2 (en) 1980-03-17
JPS4846471A (en) 1973-07-03
FR2156252A1 (en) 1973-05-25
AU4743672A (en) 1974-04-11
AU461628B2 (en) 1975-05-29
CA963435A (en) 1975-02-25
IT965497B (en) 1974-01-31
SE395134B (en) 1977-08-01
FR2156252B1 (en) 1976-08-20
CA963435A1 (en)

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