Textured thermoplastic elastomeric film, articles comprising sam

Stock material or miscellaneous articles – Hollow or container type article – Nonself-supporting tubular film or bag

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Details

428176, 428156, 428161, 604347, 604348, 604349, B21D 1300, A61B 1900, A61F 602

Patent

active

050987550

ABSTRACT:
Textured and embossed films are described which are usefully employed in the manufacture of condom articles. In one aspect, an elastic film is provided with an embossed pattern thereon comprising from about 1,000 to about 100,000 embossments per square inch of embossed surface. In another aspect, particularly advantageous in imparting extensibility characteristics to low elasticity or inelastic films, the film is textured with longitudinal and transverse fold lines defining respective longitudinal and transverse waveform profiles and comprising planar polygonal surface portions between and bounded by adjacent longitudinal parallel fold lines and adjacent transverse parallel fold lines, with from about 100 to about 100,000 polygonal surface portions per square inch of textured film surface. Corresponding methods for making such embossed and textured films are disclosed.

REFERENCES:
patent: D253009 (1979-09-01), Okamoto
patent: 2285981 (1942-06-01), Johns
patent: 2586674 (1952-02-01), Lunne
patent: 4574156 (1986-03-01), Dyck et al.
patent: 4798600 (1989-01-01), Meadows
patent: 4964416 (1990-10-01), Foldesy et al.

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