Bag with a window for foodstuffs

Details Bag with a window for foodstuffs Bag with a window for foodstuffs

2006-01-24

2006-01-24

Pascua, Jes F. (Department: 3727)

Flexible bags

With venting or ventilation means

Opening in bag material

C383S106000, C229S087090

Reexamination Certificate

active

06988829

ABSTRACT:
Bag for wrapping food items, in particular breed, rolls, and snacks, made of a composite material having at least one first layer made of a material containing cellulose and a second layer made of plastic; the first layer has a specific weight of 15 to 50 g/m2, preferably from 15 to 40 g/m2, and the second layer is from 6 to 20 μm thick. The composite material is perforated, and the ratio of open surface area to total surface area of the composite material is between 1/50 and 1/250, and the first layer made of material containing cellulose is interrupted in at least one area for the purpose of inclusion of a window. The window is perforated.

REFERENCES:
patent: 1770865 (1930-07-01), Royal
patent: 1868069 (1932-07-01), Munson
patent: 2158755 (1939-05-01), Hodgdon et al.
patent: 2745593 (1956-05-01), Brady
patent: 3038651 (1962-06-01), Cloudsley
patent: 5226735 (1993-07-01), Beliveau
patent: 6033114 (2000-03-01), Grimm et al.
patent: 6187396 (2001-02-01), Moller
patent: 477 473 (1947-12-01), None
patent: 197 12 052 (1998-09-01), None
patent: 1 441 107 (1966-06-01), None
patent: WO 93 22207 (1993-11-01), None

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