GB979256A - Improvements in and relating to bags and sacks - Google Patents
Improvements in and relating to bags and sacksInfo
- Publication number
- GB979256A GB979256A GB742662A GB742662A GB979256A GB 979256 A GB979256 A GB 979256A GB 742662 A GB742662 A GB 742662A GB 742662 A GB742662 A GB 742662A GB 979256 A GB979256 A GB 979256A
- Authority
- GB
- United Kingdom
- Prior art keywords
- bag
- sleeve
- filling
- sealed
- filled
- 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
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
979,256. Valve bags. SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ N.V. Feb. 26, 1962, No. 7426/62. Heading B8K. An exterior filling sleeve with exterior ribbing or embossing is attached at one end around the aperture of a bag so that it can be pushed into the bag, when it has been filled, to form a valve. The bag may be formed from thermoplastic sheet or tubing with its free edges sealed together, except at the opening, where the filling sleeve, of similar material, is welded in place. Alternatively the bag may be formed from kraft paper, textile sheet, or a laminate of paper and thermoplastic material. The end of the sleeve adjacent the bag may be sealed either on the outside or the inside of the filling aperture. The sleeve may diverge slightly outwardly or inwardly. The sleeve may be connected to the bag by adhesive or may be blow moulded in one piece with the bag. The open end of the filling sleeve may be temporarily sealed when the bag has been filled.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB742662A GB979256A (en) | 1962-02-26 | 1962-02-26 | Improvements in and relating to bags and sacks |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB742662A GB979256A (en) | 1962-02-26 | 1962-02-26 | Improvements in and relating to bags and sacks |
Publications (1)
Publication Number | Publication Date |
---|---|
GB979256A true GB979256A (en) | 1965-01-01 |
Family
ID=9832892
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB742662A Expired GB979256A (en) | 1962-02-26 | 1962-02-26 | Improvements in and relating to bags and sacks |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB979256A (en) |
-
1962
- 1962-02-26 GB GB742662A patent/GB979256A/en not_active Expired
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