Bag having degas structure and method for producing the same

Details Bag having degas structure and method for producing the same Bag having degas structure and method for producing the same

2005-02-08

2005-02-08

Pascua, Jes F. (Department: 3727)

Flexible bags

With venting or ventilation means

Opening in bag material

Reexamination Certificate

active

06851856

ABSTRACT:
To provide a bag having a novel degas structure that is highly valuable as a commercial product with a high sales point and a method for producing the bag. In the bag body having the degas structure for receiving granules1such as grains or manure, a fold-back overlap portion3that is folded back and kept under an overlap condition is provided at a predetermined position of the bag body2, a through-hole is provided in overlap portions5forming the fold-back overlap portion3, and the through-hole is used as a degas hole4for discharging air held in an interior of the bag body2.

REFERENCES:
patent: 3528600 (1970-09-01), White
patent: 4491959 (1985-01-01), Loefberg
patent: 4573203 (1986-02-01), Peppiatt
patent: 18 68 662 (1963-03-01), None
patent: 2 053 097 (1972-05-01), None
patent: 0 243 750 (1987-11-01), None
patent: 1152463 (1969-05-01), None
patent: 1162013 (1969-08-01), None
patent: 405338657 (1993-12-01), None
patent: 10-324350 (1998-12-01), None

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