Method of fabricating battery electrode sheaths

Details Method of fabricating battery electrode sheaths Method of fabricating battery electrode sheaths

1977-05-25

1979-03-13

Massie, Jerome W.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156165, 156229, 156296, 156309, 428212, 428296, 428373, 429140, 429238, H01M 218, B32B 3116, B32B 3126

Patent

active

041441150

ABSTRACT:
A sheath for a storage battery electrode comprises a braid or weave of inorganic fiber threads and a plurality of axial threads extending along the axial length of the sheath and forming crossing points with the inorganic threads. The axial threads comprise a mixture of at least two thermoplastic materials having different softening temperatures. Fabrication of the sheath involves tensioning the sheath and heating it to a temperature sufficient to soften the thermoplastic fiber having the lower softening temperature to bond the latter to the inorganic fibers at the crossing points. The heating is sufficient to weaken the thermoplastic fibers having the higher softening temperature to enable the latter to be only slightly elongated under tension, to enable internal stresses of the axial threads to be substantially equalized.

REFERENCES:
patent: 2176428 (1939-10-01), Kershaw
patent: 2308593 (1943-01-01), Brew
patent: 3081368 (1963-03-01), Wunsche
patent: 3589956 (1971-06-01), Kranz et al.
patent: 3619319 (1971-11-01), Utz
patent: 3801399 (1974-04-01), Sundberg
patent: 3930091 (1976-12-01), Lewis et al.
patent: 4048398 (1977-09-01), Sundberg

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