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C I T E P S A
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Publication of ES337087A1publicationCriticalpatent/ES337087A1/en
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
B65D31/147—Valve bags, i.e. with valves for filling the filling port being provided in a side wall
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Engineering & Computer Science
(AREA)
Mechanical Engineering
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Bag Frames
(AREA)
Abstract
Improvements in the construction of bags with valve, and more particularly in bags whose valve is mainly constituted by a piece applied on the wall of the bag and which covers a filling slot made in this wall, characterized because it is provided to the bag of two bellows which respectively form its upper face and its lower face, and because the valve is located in the upper bellows of the bag. (Machine-translation by Google Translate, not legally binding)
ES337087A1966-02-091967-02-08Improvements in the construction of sacks with valve. (Machine-translation by Google Translate, not legally binding)
ExpiredES337087A1
(en)