Inelastic, heat-elasticizable sheet material

Details Inelastic, heat-elasticizable sheet material Inelastic, heat-elasticizable sheet material

1983-12-27

1985-11-12

Henderson, Christopher A.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including grain, strips, or filamentary elements in...

156161, 156163, 428105, 428107, 428109, 428114, 428118, 428231, 428265, 428292, 604358, B32B 512, B32B 524

Patent

active

045527954

ABSTRACT:
Flat, inelastic, dimensionally stable sheet material is formed by stretching parallel elastomeric strands to several times their relaxed length and then bonding them to one or more flat, inelastic webs with inelastic thermoplastic polymer. When the sheet material is heated, the strands contract and the sheet material shirrs. Strips of the flat sheet material can be incorporated in disposable diapers and subsequently shirred to provide elastic waistbands or leg openings.

REFERENCES:
patent: 22038 (1858-11-01), Solis
patent: 3468748 (1969-09-01), Bassett
patent: 3568286 (1971-03-01), Ross
patent: 3575782 (1971-04-01), Hansen
patent: 3816235 (1974-06-01), Lin
patent: 4136715 (1979-06-01), McCormack
patent: 4239578 (1980-12-01), Gore
patent: 4261782 (1981-04-01), Teed
patent: 4309236 (1982-01-01), Teed
patent: 4310579 (1982-01-01), Gaydecki
patent: 4371417 (1983-01-01), Frick et al.

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