Double wall multitube bags for enclosing the active material of

Details Double wall multitube bags for enclosing the active material of Double wall multitube bags for enclosing the active material of

1976-12-17

1977-09-13

LeFevour, C. F.

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Separator, retainer or spacer insulating structure

H01M 218

Patent

active

040483991

ABSTRACT:
Multitube sheath or bag for enclosing the active material of positive plates in electric lead batteries. The bag comprises four discrete fabrics simultaneously made on a shuttleless loom. The fabrics are interconnected along parallel lines by means of one or more weft threads. Thereby, every side of each tube comprises a double wall formed by two different fabrics, of which the inner fabric has weft threads of glass yarn and warp threads of synthetic yarn, the number of weft threads being much larger than that of warp threads at a same length of the fabric involved. The two outer fabrics are essentially made of synthetic yarn.

REFERENCES:
patent: 2896006 (1959-07-01), Sundberg
patent: 2972000 (1961-02-01), Boriolo
patent: 3265535 (1966-08-01), Sundberg
patent: 3266935 (1966-08-01), Boriolo
patent: 3503807 (1970-03-01), Sundberg
patent: 3843412 (1974-10-01), Sundberg

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