Stretchable but stable film and fastening tape

Details Stretchable but stable film and fastening tape Stretchable but stable film and fastening tape

Filed on

1988-09-13

Date issued

1991-10-15

Examiner

Apley, Richard J.

Patent Class

Surgery

SubClass

Means and methods for collecting body fluids or waste material

SubSubClass

Absorbent pad for external or internal application and...

Other Related Categories

604390, 428 43, A61F 1315

Type

Patent

Status

active

Patent number

050570978

Description

ABSTRACT:
A web or film useful for fastener tapes for diapers consists of more than one layer and is characterized in that the outer layers, or at least one layer, are/is inelastic and the inner layer, or other layer, is elastic, and the film becomes substantially completely elastic, at least at one of its lengthwise portions, by manual stretching to cause yielding of the inelastic layer or layers.

REFERENCES:
patent: 3800796 (1974-04-01), Jacob
patent: 3833456 (1974-09-01), Reed et al.
patent: 4020842 (1977-05-01), Richman et al.
patent: 4051853 (1977-10-01), Egan, Jr.
patent: 4066081 (1978-01-01), Schaar
patent: 4111205 (1978-09-01), Neimeth
patent: 4389212 (1983-06-01), Tritsch
patent: 4643729 (1987-02-01), Laplanche
patent: 4795456 (1989-01-01), Borgers et al.
patent: 4801480 (1989-01-01), Panza et al.
patent: 4813947 (1989-03-01), Korpman

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