Tubular element for the formation of bags for the vacuum-packing

Details Tubular element for the formation of bags for the vacuum-packing Tubular element for the formation of bags for the vacuum-packing

1995-07-10

1996-08-27

Robinson, Ellis

Stock material or miscellaneous articles

Hollow or container type article

Nonself-supporting tubular film or bag

428 354, 428 357, 428119, 428178, 428166, 428200, 4283055, 4284761, 428483, 428516, 2065248, 383119, 426106, 426127, 426415, B65D 3302, B65D 8120

Patent

active

055499449

ABSTRACT:
The present utility model pertains to a tubular element for the formation of bags for the vacuum-packing of products, on the inner surface of which is inserted a film (14) which is made of a thermo-plastic material and consists of a plurality of blisters or bubbles (15) intended for delimiting a network of surface channels (16) and for accommodating the nontoxic, insert gas to be progressively released into the bag for the preservation of the packed product.

REFERENCES:
patent: 2778173 (1957-01-01), Taunton
patent: 3595722 (1971-07-01), Dawbarn
patent: 4104404 (1978-08-01), Bieler et al.
patent: 4220684 (1980-09-01), Olson
patent: 4401256 (1983-08-01), Krieg
patent: 5075143 (1991-12-01), Bekele
patent: 5134001 (1992-07-01), Osgood
patent: 5234731 (1993-08-01), Ferguson

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