GB1367001A - Plastics bag - Google Patents
Plastics bagInfo
- Publication number
- GB1367001A GB1367001A GB954072A GB954072A GB1367001A GB 1367001 A GB1367001 A GB 1367001A GB 954072 A GB954072 A GB 954072A GB 954072 A GB954072 A GB 954072A GB 1367001 A GB1367001 A GB 1367001A
- Authority
- GB
- United Kingdom
- Prior art keywords
- plies
- panel
- valve
- ply
- 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
Links
- 239000004033 plastic Substances 0.000 title abstract 3
- 229920003023 plastic Polymers 0.000 title abstract 3
- 101100234822 Caenorhabditis elegans ltd-1 gene Proteins 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 238000010276 construction Methods 0.000 abstract 1
- 229920001577 copolymer Polymers 0.000 abstract 1
- 229920001684 low density polyethylene Polymers 0.000 abstract 1
- 239000004702 low-density polyethylene Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 229920000642 polymer Polymers 0.000 abstract 1
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
- B65D31/14—Valve bags, i.e. with valves for filling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bag Frames (AREA)
Abstract
1367001 Valve bags CANADIAN INDUSTRIES Ltd 1 March 1972 [24 March 1971 18 June 1971 2 Nov 1971] 9540/72 Heading B8K A valve bag of plastics film has a rear wall 21 of two plies and a front wall of two ply overlapping panels 22, 23, the panel 22 being interdigitated between plies 28, 29 of panel 23 and the inner ply 28 may be longer than the outer ply 29. By forming seals 30-34 extending partway across panels 22, 23 adjacent one end a valve is formed. In an alternative construction (Figs. 1 and 2, not shown) both plies of the panel 23 lie under the plies of panel 22. The seals may be continuous as shown or in the form of dots. The bag may be formed from a plastics tube or from separate sheets sealed together. The walls may comprise more than two plies, or only the panel 23 (forming the valve) need contain more than one ply. The bat may be of a heat sealable film or have a coating of a heat sealable material and may be made of films of olefine polymer or copolymer, of P.V.C. or low density polyethylene.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA108,630A CA984346A (en) | 1971-03-24 | 1971-03-24 | Valve bag |
| CA126,718A CA942253A (en) | 1971-11-02 | 1971-11-02 | Valve bag |
| KR7300248A KR790001730B1 (en) | 1971-11-02 | 1973-02-10 | Plastic sleeve packing stand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1367001A true GB1367001A (en) | 1974-09-18 |
Family
ID=27161088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB954072A Expired GB1367001A (en) | 1971-03-24 | 1972-03-01 | Plastics bag |
Country Status (12)
| Country | Link |
|---|---|
| JP (1) | JPS532104B1 (en) |
| AR (1) | AR192352A1 (en) |
| AT (1) | AT325500B (en) |
| BE (1) | BE780954A (en) |
| DE (1) | DE2213908C2 (en) |
| DK (1) | DK132826C (en) |
| FI (1) | FI53105C (en) |
| FR (1) | FR2130487B1 (en) |
| GB (1) | GB1367001A (en) |
| IE (1) | IE36202B1 (en) |
| NL (1) | NL168465C (en) |
| SE (1) | SE418387B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4073429A (en) * | 1975-07-03 | 1978-02-14 | Imperial Chemical Industries Limited | Plastics bag |
| DE2820955A1 (en) * | 1978-05-12 | 1979-11-15 | Windmoeller & Hoelscher | VALVE BAG WITH VENTILATION VALVE |
| DE3312925A1 (en) * | 1983-02-14 | 1984-08-16 | Windmöller & Hölscher, 4540 Lengerich | VALVE BAG |
| DE3323587A1 (en) * | 1983-06-30 | 1985-01-10 | Windmöller & Hölscher, 4540 Lengerich | VALVE BAG |
| US4576844A (en) * | 1983-11-28 | 1986-03-18 | C-I-L Inc. | Shipping bag |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB956599A (en) * | 1961-06-29 | 1964-04-29 | British Visqueen Ltd | Plastics bags and like containers |
| US3221789A (en) * | 1963-07-05 | 1965-12-07 | St Regis Paper Co | Plastic valve bag |
| DE1486733A1 (en) * | 1965-09-25 | 1969-06-04 | Windmoeller & Hoelscher | Plastic valve bag |
| CH481808A (en) * | 1968-01-23 | 1969-11-30 | Goglio Spa Luigi Milano | Process for packing perishable products and flexible valve container to carry out the process |
| US3616152A (en) * | 1968-05-31 | 1971-10-26 | Usm Corp | Resin films |
-
1972
- 1972-03-01 GB GB954072A patent/GB1367001A/en not_active Expired
- 1972-03-06 IE IE277/72A patent/IE36202B1/en unknown
- 1972-03-16 FI FI716/72A patent/FI53105C/fi active
- 1972-03-20 BE BE780954A patent/BE780954A/en not_active IP Right Cessation
- 1972-03-21 FR FR7209803A patent/FR2130487B1/fr not_active Expired
- 1972-03-22 DK DK134872A patent/DK132826C/en not_active IP Right Cessation
- 1972-03-22 DE DE2213908A patent/DE2213908C2/en not_active Expired
- 1972-03-22 NL NLAANVRAGE7203810,A patent/NL168465C/en not_active IP Right Cessation
- 1972-03-23 SE SE7203785A patent/SE418387B/en unknown
- 1972-03-24 AR AR241130A patent/AR192352A1/en active
- 1972-03-24 JP JP2905472A patent/JPS532104B1/ja active Pending
- 1972-03-24 AT AT258872A patent/AT325500B/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FI53105B (en) | 1977-10-31 |
| NL7203810A (en) | 1972-09-26 |
| FR2130487A1 (en) | 1972-11-03 |
| DE2213908A1 (en) | 1972-10-05 |
| IE36202B1 (en) | 1976-09-15 |
| NL168465C (en) | 1982-04-16 |
| IE36202L (en) | 1972-09-24 |
| FR2130487B1 (en) | 1980-03-21 |
| SE418387B (en) | 1981-05-25 |
| NL168465B (en) | 1981-11-16 |
| BE780954A (en) | 1972-09-20 |
| AR192352A1 (en) | 1973-02-14 |
| FI53105C (en) | 1978-02-10 |
| DE2213908C2 (en) | 1984-04-05 |
| JPS532104B1 (en) | 1978-01-25 |
| DK132826B (en) | 1976-02-16 |
| DK132826C (en) | 1976-07-19 |
| AT325500B (en) | 1975-10-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PE20 | Patent expired after termination of 20 years |