Bag which is made by stitching opaque fabric material

Details Bag which is made by stitching opaque fabric material Bag which is made by stitching opaque fabric material

1993-07-13

1995-08-01

Garbe, Stephen P.

Flexible bags

Wall details

Specified seam structure

383 59, B65D 3010, B65D 3300

Patent

active

054375070

ABSTRACT:
A bag comprising several side panels, a bottom panel and a top panel with a filling opening is made by stitching together opaque fabric webs forming the aforementioned panels. The bag includes seams which are formed by turning up edge regions of the fabric webs and in which at least one sealing strip of material is inserted and stitched to the fabric webs. To obtain increased sealing tightness of the stitching, the strips of material are of yielding construction and have an isotropic structure. The side panels of the bag may be constituted by a tubular one-piece fabric portion.

REFERENCES:
patent: 2399973 (1946-05-01), Albin
patent: 2939501 (1960-06-01), Cormon et al.
patent: 4194652 (1980-03-01), Williamson et al.
patent: 4597102 (1986-06-01), Nattrass
patent: 4646357 (1987-02-01), Nattrass
patent: 5158367 (1992-10-01), Derby
patent: 5165802 (1992-11-01), Derby
patent: 5244280 (1993-09-01), Porter et al.

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