Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B65
CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
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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
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77/00
Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
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B65D77/10
Container closures formed after filling
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B65D77/20
by applying separate lids or covers; , i.e. flexible membrane or foil-like covers
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B65D77/2024
the cover being welded or adhered to the container
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B65D77/2028
Means for opening the cover other than, or in addition to, a pull tab
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B65D77/2032
by peeling or tearing the cover from the container
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B65D77/2044
whereby a layer of the container or cover fails, e.g. cohesive failure
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B65D77/2048
whereby part of the container or cover has been weakened, e.g. perforated or precut
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B65D77/2056
the cover being weakened
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