US3123279A - Plastic bag - Google Patents
Plastic bag Download PDFInfo
- Publication number
- US3123279A US3123279A US3123279DA US3123279A US 3123279 A US3123279 A US 3123279A US 3123279D A US3123279D A US 3123279DA US 3123279 A US3123279 A US 3123279A
- Authority
- US
- United States
- Prior art keywords
- bag
- net
- film
- thermoplastic
- plastic bag
- 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
- 229920003023 plastic Polymers 0.000 title description 12
- 239000004033 plastic Substances 0.000 title description 8
- 229920001169 thermoplastic Polymers 0.000 description 20
- 239000004416 thermosoftening plastic Substances 0.000 description 20
- 239000000463 material Substances 0.000 description 8
- -1 polyethylene Polymers 0.000 description 8
- 239000000203 mixture Substances 0.000 description 6
- 238000009423 ventilation Methods 0.000 description 6
- 239000004698 Polyethylene (PE) Substances 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 229920000573 polyethylene Polymers 0.000 description 4
- 229920001155 polypropylene Polymers 0.000 description 4
- 229920000742 Cotton Polymers 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 2
- 229920001083 Polybutene Polymers 0.000 description 2
- 229920002367 Polyisobutene Polymers 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- 235000002595 Solanum tuberosum Nutrition 0.000 description 2
- 240000001016 Solanum tuberosum Species 0.000 description 2
- 239000002657 fibrous material Substances 0.000 description 2
- 235000012055 fruits and vegetables Nutrition 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 235000012015 potatoes Nutrition 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
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
- B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
Definitions
- This invention relates to plastic bags and more particularly to ventilated plastic bags.
- thermoplastic film The first type of bag which is in common use today is made entirely from thermoplastic film. This results in an attractive package which is strong, inexpensive and has an exterior which can be printed upon to identify the product and brand. This bag, however, has one serious fault. Many fruits and vegetables require ventilation during storage and a thermoplastic bag of normal manufacture is substantially air tight. To permit some air to circulate through the bag it is common practice to punch holes in the side panels. Since this has a tendency to weaken the bag, the number of holes which can be punched is thus limited and is below that required to provide a desirable level of ventilation.
- the second type of bag is fabricated entirely from thermoplastic net. By its very nature this bag is totally ventilated and overcomes the one fault of the film bag. In addition the product in such a bag can be inspected quite readily through the mesh. However, other difficulties present themselves, the most serious being lack of identification. The only area which is available for printing is the overlap film or paper seam at the top and bottom of the bag and this is not adequate.
- Another problem posed by this type of bag is damage of the product in the bag by ultraviolet light. Certain produce, potatoes for example, deteriorate rapidly when subjected to light of this wave length. A printed film bag does not permit the rays from the sun or from fluorescent light fixtures to reach the product. But an all net bag does not have this property and this has proven to be a serious disadvantage.
- the object of this invention then is to overcome these deficiencies and to provide an inexpensive bag with provision for adequately ventilating and identifying the product.
- FIGURE 1 is a plan view of the bag
- FIGURE 2 is a cross section of FIGURE 1 on the line 22;
- FIGURE 3 is a perspective view of the bag.
- FIGURE 1 shows the thermoplastic film (1) in this case at the back of the bag and the net (2) at the front.
- the film is shown folded (3) over the net and sealed (4) through the net to itself. This is shown in greater detail in FIGURE 2 and the overall appearance of the bag is shown in FIGURE 3.
- this invention provides a much needed article, a. bag having ample ventilation and a large area suitable for identification purposes.
- the film can be printed or coloured which in addition to having a very pleasant appearance will prevent the ultraviolet light from striking the product, yet by simply turning the package over, the customer will be able to closely examine the contents through the net.
- the method of fabrication will result in a bag considerably stronger than the all net bag, as the unperforated film will reinforce the net at the seams.
- thermoplastic materials can be used with a wide range of thermoplastic materials.
- An illustrative list from which the materials for both the film and net may be selected would include polyethylene both conventional and linear, nylon, polystyrene, polypropylene, polyolefins, polyesters and blends of polyethylene with polybutene, polyisobutylene and polypropylene.
- thermoplastic film can be selected from the above list of thermoplastic materials and the mesh can be a fibrous material such as paper or cotton.
- thermoplastic film on one side and extruded thermoplastic net on the other three margins of said film and net being joined together by folding the film over the net and sealing the film through the net to itself.
Description
March 3, 1964 DAY 3,123,279
PLASTIC BAG Filed May 21, 1962 Inventor Thomas Arnold DAY United States Patent Ofl ice 3,123,279 Patented Mar. 3, 1964 3,123,279 PLASTIC BAG Thomas Arnold Day, Westrnount, Quebec, Canada,
assignor to Du Pont of Canada Limited, Montreal,
Quebec, Canada, a corporation of Canada Filed May 21, 1962, Ser. No. 196,276 Claims priority, application Canada May 25, 1961 1 Claim. (Cl. 22953) This invention relates to plastic bags and more particularly to ventilated plastic bags.
Farm and garden produce are frequently packaged in bags manufactured from thermoplastic materials. At the present time there are two types of bags from which to choose, each having its advantages and disadvantages.
The first type of bag which is in common use today is made entirely from thermoplastic film. This results in an attractive package which is strong, inexpensive and has an exterior which can be printed upon to identify the product and brand. This bag, however, has one serious fault. Many fruits and vegetables require ventilation during storage and a thermoplastic bag of normal manufacture is substantially air tight. To permit some air to circulate through the bag it is common practice to punch holes in the side panels. Since this has a tendency to weaken the bag, the number of holes which can be punched is thus limited and is below that required to provide a desirable level of ventilation.
The second type of bag is fabricated entirely from thermoplastic net. By its very nature this bag is totally ventilated and overcomes the one fault of the film bag. In addition the product in such a bag can be inspected quite readily through the mesh. However, other difficulties present themselves, the most serious being lack of identification. The only area which is available for printing is the overlap film or paper seam at the top and bottom of the bag and this is not adequate.
Another problem posed by this type of bag is damage of the product in the bag by ultraviolet light. Certain produce, potatoes for example, deteriorate rapidly when subjected to light of this wave length. A printed film bag does not permit the rays from the sun or from fluorescent light fixtures to reach the product. But an all net bag does not have this property and this has proven to be a serious disadvantage.
The object of this invention then is to overcome these deficiencies and to provide an inexpensive bag with provision for adequately ventilating and identifying the product.
Other objects and advantages of this invention will become apparent from the following description, it being understood that said description is given by way of illustration and explanation only and not by way of limitation,
since various changes therein may be made by those skilled in the art without departing from the scope or spirit of the present invention.
Referring now to the accompanying drawings:
FIGURE 1 is a plan view of the bag;
FIGURE 2 is a cross section of FIGURE 1 on the line 22;
FIGURE 3 is a perspective view of the bag.
FIGURE 1 shows the thermoplastic film (1) in this case at the back of the bag and the net (2) at the front. The film is shown folded (3) over the net and sealed (4) through the net to itself. This is shown in greater detail in FIGURE 2 and the overall appearance of the bag is shown in FIGURE 3.
It will be obvious that this invention provides a much needed article, a. bag having ample ventilation and a large area suitable for identification purposes. The film can be printed or coloured which in addition to having a very pleasant appearance will prevent the ultraviolet light from striking the product, yet by simply turning the package over, the customer will be able to closely examine the contents through the net. The method of fabrication will result in a bag considerably stronger than the all net bag, as the unperforated film will reinforce the net at the seams.
This present invention can be used with a wide range of thermoplastic materials. An illustrative list from which the materials for both the film and net may be selected would include polyethylene both conventional and linear, nylon, polystyrene, polypropylene, polyolefins, polyesters and blends of polyethylene with polybutene, polyisobutylene and polypropylene.
In addition a combination of thermoplastic film and fibrous net can be used. The film can be selected from the above list of thermoplastic materials and the mesh can be a fibrous material such as paper or cotton.
The embodiments of the invention in which an exclusive property or privilege is claimed are defined as follows:
In a. plastic bag, the combination of printable thermoplastic film on one side and extruded thermoplastic net on the other, three margins of said film and net being joined together by folding the film over the net and sealing the film through the net to itself.
References Cited in the file of this patent UNITED STATES PATENTS 2,056,804 Potdevin Oct. 6, 1936 2,085,365 Israel June 29, 1937 2,298,421 Salfisberg Oct. 13, 1942 2,689,678 Wendt Sept. 21, 1954 3,040,966 Crane June 26, 1962
Publications (1)
Publication Number | Publication Date |
---|---|
US3123279A true US3123279A (en) | 1964-03-03 |
Family
ID=3452868
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US3123279D Expired - Lifetime US3123279A (en) | Plastic bag |
Country Status (1)
Country | Link |
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US (1) | US3123279A (en) |
Cited By (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3554368A (en) * | 1969-03-13 | 1971-01-12 | Du Pont | Package and packaging method |
US4161559A (en) * | 1977-02-22 | 1979-07-17 | Windmoller & Holscher | Reinforced webs of film |
US5226735A (en) * | 1991-08-28 | 1993-07-13 | Daniel Beliveau | Perforated plastic bag for packaging fruits or vegetables |
US5651455A (en) * | 1996-07-17 | 1997-07-29 | Garcia; Marjorie | Utility accessory bag |
GB2309956A (en) * | 1996-02-07 | 1997-08-13 | Netpack Srl | Net and sheet bag |
WO1999015418A1 (en) * | 1997-09-22 | 1999-04-01 | Bp Amoco Corporation | Open mesh bag |
US6024489A (en) * | 1998-10-16 | 2000-02-15 | Kenneth Fox Supply Company | Produce bag with improved strength and loading features |
US6080093A (en) * | 1997-07-03 | 2000-06-27 | Kenneth Fox Supply Company | Apparatus for wicket-top converting of a cross-laminated synthetic resin fiber mesh bag |
US6190044B1 (en) | 1998-10-16 | 2001-02-20 | Kenneth Fox Supply Company | Produce bag with improved strength and loading features |
US20010036496A1 (en) * | 2000-01-11 | 2001-11-01 | Recchia Michael J. | Bag with mesh wall and heat seal die |
US20020102033A1 (en) * | 1998-09-22 | 2002-08-01 | Paul Antonacci | Side-sealed bag having label section and method of production therefor |
US6506429B1 (en) * | 2000-01-11 | 2003-01-14 | Michael J. Recchia, Jr. | Bag with mesh wall |
US6626570B2 (en) | 1998-10-16 | 2003-09-30 | Kenneth Fox Supply Company | Produce bag with draw top |
US20040032992A1 (en) * | 2002-06-13 | 2004-02-19 | Moty Hershku | Bag |
US6799622B2 (en) | 2000-01-11 | 2004-10-05 | Michael J. Recchia, Jr. | Heat seal die for heat sealing plastic sheets |
US20050147331A1 (en) * | 2002-07-10 | 2005-07-07 | Jeffrey Sway | General purpose bag having film and mesh portions |
US20050281495A1 (en) * | 2004-06-22 | 2005-12-22 | Recchia Michael J Jr | Produce bag with tear portion |
US7163339B1 (en) | 2001-04-16 | 2007-01-16 | Plaspack U.S.A., Inc. | Composite breathable produce bag with a reinforced mesh sidewall |
US20070011992A1 (en) * | 2003-05-09 | 2007-01-18 | Plaspack Usa, Inc. | Multi-Material Vertical Form, Fill and Seal Bag Forming Method |
EP1749760A1 (en) * | 2005-08-05 | 2007-02-07 | Sorma S.P.A. | Container for fruit and vegetables products |
US20090249676A1 (en) * | 2008-04-02 | 2009-10-08 | Davis Donald D | Rain Activated Mineral Filtration Bag and Method |
WO2011044324A2 (en) | 2009-10-09 | 2011-04-14 | Volm Companies, Inc. | Open mesh material and bags made therefrom |
USD748990S1 (en) * | 2010-11-16 | 2016-02-09 | The Glad Products Company | Bag with metallic crepe |
USD831339S1 (en) * | 2016-04-04 | 2018-10-23 | Frezz Solutions Ivs | Mesh bag |
USD965438S1 (en) * | 2020-05-21 | 2022-10-04 | Universal Trim Supply Co., Ltd. | Pattern for plastic bag |
US11473324B2 (en) * | 2018-08-17 | 2022-10-18 | Kevin Lawrence Capizzo | Protective sleeve for a swimming pool cover hold-down weight water tube |
USD971744S1 (en) | 2020-05-21 | 2022-12-06 | Sealvax Llc | Plastic bag |
USD983047S1 (en) * | 2021-05-19 | 2023-04-11 | S. C. Johnson & Son, Inc. | Storage bag |
USD1022595S1 (en) * | 2023-11-29 | 2024-04-16 | Taizhou Yaxing Plastic Industry Co., Ltd | BBQ grill bag |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2056804A (en) * | 1935-06-14 | 1936-10-06 | Potdevin Machine Co | Bag |
US2085365A (en) * | 1935-08-03 | 1937-06-29 | Master Marble Company | Container for marbles |
US2298421A (en) * | 1941-02-01 | 1942-10-13 | Ivers Lee Co | Display package |
US2689678A (en) * | 1950-11-09 | 1954-09-21 | Bemis Bro Bag Co | Bag |
US3040966A (en) * | 1959-09-28 | 1962-06-26 | Allied Plastics Co | Article packaging sleeve |
-
0
- US US3123279D patent/US3123279A/en not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2056804A (en) * | 1935-06-14 | 1936-10-06 | Potdevin Machine Co | Bag |
US2085365A (en) * | 1935-08-03 | 1937-06-29 | Master Marble Company | Container for marbles |
US2298421A (en) * | 1941-02-01 | 1942-10-13 | Ivers Lee Co | Display package |
US2689678A (en) * | 1950-11-09 | 1954-09-21 | Bemis Bro Bag Co | Bag |
US3040966A (en) * | 1959-09-28 | 1962-06-26 | Allied Plastics Co | Article packaging sleeve |
Cited By (59)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3554368A (en) * | 1969-03-13 | 1971-01-12 | Du Pont | Package and packaging method |
US4161559A (en) * | 1977-02-22 | 1979-07-17 | Windmoller & Holscher | Reinforced webs of film |
US5226735A (en) * | 1991-08-28 | 1993-07-13 | Daniel Beliveau | Perforated plastic bag for packaging fruits or vegetables |
GB2309956A (en) * | 1996-02-07 | 1997-08-13 | Netpack Srl | Net and sheet bag |
GB2309956B (en) * | 1996-02-07 | 2000-01-12 | Netpack Srl | A bag for containing loose products |
US5651455A (en) * | 1996-07-17 | 1997-07-29 | Garcia; Marjorie | Utility accessory bag |
US6080093A (en) * | 1997-07-03 | 2000-06-27 | Kenneth Fox Supply Company | Apparatus for wicket-top converting of a cross-laminated synthetic resin fiber mesh bag |
WO1999015418A1 (en) * | 1997-09-22 | 1999-04-01 | Bp Amoco Corporation | Open mesh bag |
US20020102033A1 (en) * | 1998-09-22 | 2002-08-01 | Paul Antonacci | Side-sealed bag having label section and method of production therefor |
US6974406B2 (en) | 1998-09-22 | 2005-12-13 | Paul Antonacci | Side-sealed bag having label section and method of production therefor |
US6626570B2 (en) | 1998-10-16 | 2003-09-30 | Kenneth Fox Supply Company | Produce bag with draw top |
US6024489A (en) * | 1998-10-16 | 2000-02-15 | Kenneth Fox Supply Company | Produce bag with improved strength and loading features |
US6030120A (en) * | 1998-10-16 | 2000-02-29 | Kenneth Fox Supply Co. | Produce bag with improved wicket features |
WO2000023338A1 (en) * | 1998-10-16 | 2000-04-27 | Kenneth Fox Supply Company | Produce bag with improved wicket features |
US6190044B1 (en) | 1998-10-16 | 2001-02-20 | Kenneth Fox Supply Company | Produce bag with improved strength and loading features |
US6416220B1 (en) | 1998-10-16 | 2002-07-09 | Kenneth Fox Supply Co. | Produce bag with improved strength and loading features |
US20010036496A1 (en) * | 2000-01-11 | 2001-11-01 | Recchia Michael J. | Bag with mesh wall and heat seal die |
US6799622B2 (en) | 2000-01-11 | 2004-10-05 | Michael J. Recchia, Jr. | Heat seal die for heat sealing plastic sheets |
US6823650B2 (en) * | 2000-01-11 | 2004-11-30 | Michael J. Recchia, Jr. | Method for forming a bag with mesh wall |
US6506429B1 (en) * | 2000-01-11 | 2003-01-14 | Michael J. Recchia, Jr. | Bag with mesh wall |
US8550717B2 (en) | 2001-04-16 | 2013-10-08 | Plaspack U.S.A., Inc. | Composite breathable produce bag with a reinforced mesh sidewall |
US7163339B1 (en) | 2001-04-16 | 2007-01-16 | Plaspack U.S.A., Inc. | Composite breathable produce bag with a reinforced mesh sidewall |
US20040032992A1 (en) * | 2002-06-13 | 2004-02-19 | Moty Hershku | Bag |
US20050147331A1 (en) * | 2002-07-10 | 2005-07-07 | Jeffrey Sway | General purpose bag having film and mesh portions |
US6932510B2 (en) * | 2002-07-10 | 2005-08-23 | Mercury Plastics, Inc. | General purpose bag having film and mesh portions |
US7837388B1 (en) | 2003-05-09 | 2010-11-23 | Plaspack Usa, Inc. | Multi-material vertical form, fill and seal bag |
US7640715B2 (en) | 2003-05-09 | 2010-01-05 | Plaspack Usa, Inc. | Multi-material vertical form, fill and seal bag forming method |
US20070011992A1 (en) * | 2003-05-09 | 2007-01-18 | Plaspack Usa, Inc. | Multi-Material Vertical Form, Fill and Seal Bag Forming Method |
US20050281495A1 (en) * | 2004-06-22 | 2005-12-22 | Recchia Michael J Jr | Produce bag with tear portion |
EP1749760A1 (en) * | 2005-08-05 | 2007-02-07 | Sorma S.P.A. | Container for fruit and vegetables products |
US20090249676A1 (en) * | 2008-04-02 | 2009-10-08 | Davis Donald D | Rain Activated Mineral Filtration Bag and Method |
US9573342B2 (en) | 2009-10-09 | 2017-02-21 | Volm Companies, Inc. | Open-mesh bags and methods of production |
WO2011044324A2 (en) | 2009-10-09 | 2011-04-14 | Volm Companies, Inc. | Open mesh material and bags made therefrom |
US20110085749A1 (en) * | 2009-10-09 | 2011-04-14 | Volm Companies, Inc. | Open Mesh Material and Bags Made Therefrom |
US8784967B2 (en) | 2009-10-09 | 2014-07-22 | Volm Companies, Inc. | Open mesh material and bags made therefrom |
US10934042B2 (en) | 2009-10-09 | 2021-03-02 | Volm Companies, Inc. | Method of making form, fill, and seal bags |
US9630375B2 (en) | 2009-10-09 | 2017-04-25 | Volm Companies, Inc. | Form, fill, and seal bags and method of production |
US9339986B2 (en) | 2009-10-09 | 2016-05-17 | Volm Companies, Inc. | Open mesh material and bags made therefrom |
USD811897S1 (en) * | 2010-11-16 | 2018-03-06 | The Glad Products Company | Dual bag with white inner bag and black outer bag |
USD815958S1 (en) * | 2010-11-16 | 2018-04-24 | The Glad Products | Dual bag with black inner bag and white outer bag |
USD750404S1 (en) * | 2010-11-16 | 2016-03-01 | The Glad Products Company | Bag with metallic crepe |
USD811900S1 (en) * | 2010-11-16 | 2018-03-06 | The Glad Products Company | Dual bag with an inner bag with pattern and first pigment and an outer bag with pattern and second pigment |
USD748990S1 (en) * | 2010-11-16 | 2016-02-09 | The Glad Products Company | Bag with metallic crepe |
USD811895S1 (en) * | 2010-11-16 | 2018-03-06 | The Glad Products Company | Bag portion with a pigmented inner layer and a transparent outer layer with pattern |
USD811899S1 (en) * | 2010-11-16 | 2018-03-06 | The Glad Products Company | Dual bag with transparent inner bag and transparent outer bag |
USD811898S1 (en) * | 2010-11-16 | 2018-03-06 | The Glad Products Company | Dual bag with black inner bag and white outer bag |
USD812492S1 (en) * | 2010-11-16 | 2018-03-13 | The Glad Products Company | Single bag with black inner portion and white outer portion with pattern |
USD813054S1 (en) * | 2010-11-16 | 2018-03-20 | The Glad Products Company | Dual bag with a white inner bag and a black outer bag |
USD814940S1 (en) * | 2010-11-16 | 2018-04-10 | The Glad Products Company | Single bag with an inner portion of a first pigment and an outer portion of a second pigment and a pattern |
USD762483S1 (en) * | 2010-11-16 | 2016-08-02 | The Glad Products Company | Bag with metallic crepe |
USD817779S1 (en) * | 2010-11-16 | 2018-05-15 | The Glad Products Company | Dual bag with pigmented inner bag with pattern and transparent outer bag with pattern |
USD750499S1 (en) * | 2011-04-25 | 2016-03-01 | The Gland Products Company | Bag with metallic crepe |
USD842706S1 (en) | 2011-07-25 | 2019-03-12 | The Glad Products Company | Dual bag with a pigmented inner bag with pattern and transparent outer bag with pattern |
USD831339S1 (en) * | 2016-04-04 | 2018-10-23 | Frezz Solutions Ivs | Mesh bag |
US11473324B2 (en) * | 2018-08-17 | 2022-10-18 | Kevin Lawrence Capizzo | Protective sleeve for a swimming pool cover hold-down weight water tube |
USD965438S1 (en) * | 2020-05-21 | 2022-10-04 | Universal Trim Supply Co., Ltd. | Pattern for plastic bag |
USD971744S1 (en) | 2020-05-21 | 2022-12-06 | Sealvax Llc | Plastic bag |
USD983047S1 (en) * | 2021-05-19 | 2023-04-11 | S. C. Johnson & Son, Inc. | Storage bag |
USD1022595S1 (en) * | 2023-11-29 | 2024-04-16 | Taizhou Yaxing Plastic Industry Co., Ltd | BBQ grill bag |
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