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

1994-03-03

1996-09-10

Robinson, Ellis

Stock material or miscellaneous articles

Hollow or container type article

Nonself-supporting tubular film or bag

428 354, 428 357, 428107, 428119, 428123, 428167, 428175, 428200, 4284761, 428483, 428516, 2065248, 383119, 426127, 426415, B65D 3302, B65D 8120

Patent

active

055544231

ABSTRACT:
The present utility model pertains to a tubular element for the formation of bags for the vacuum-packing of products, consisting of an inner layer or film (14) having thread-like elements (15), which extend along the length of the tubular element and are intended to be relief on at least on inner surface of the resulting bag and to define among themselves channels (16) for the evacuation, by suction, of air from the bag at the time of using the bag for the vacuum-packing of a 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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