Inelastic, heat-elasticizable sheet material for diapers

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

1985-09-23

1987-02-03

Henderson, Christopher

Stock material or miscellaneous articles

Structurally defined web or sheet

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

428110, 428118, 428295, 604385A, B32B 512, A61F 1316

Patent

active

046408592

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: 3245407 (1966-04-01), Mason
patent: 3369917 (1972-02-01), Althouse
patent: 3468748 (1969-09-01), Bassett
patent: 3575782 (1971-04-01), Hansen
patent: 3694815 (1972-10-01), Burger
patent: 3912565 (1975-10-01), Koch et al.
patent: 4136715 (1979-06-01), McCormack
patent: 4300562 (1981-11-01), Pieniak
patent: 4300967 (1981-11-01), Sigl
patent: 4437860 (1984-03-01), Sigl
patent: 4450026 (1984-05-01), Pieniak

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