Method of making a condom by blow extrusion

Details Method of making a condom by blow extrusion Method of making a condom by blow extrusion

1991-10-04

1992-12-08

Silbaugh, Jan H.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156 731, 15624414, 15624417, 15624418, 156251, 264150, 264151, 264152, 264564, 264 23, B29C 6900

Patent

active

051694646

ABSTRACT:
A condom having a blow formed tubular main sheath portion, and a method for making the condom. Blow extrusion techniques of fabrication are described, together with the use of various thermoplastic materials of construction, including polyurethanes, polyether block amides, styrene-rubber-styrene block copolymers, ethylene-octene copolymers, and polyesters. The condom is made by blow extruding a tubular film of thermoplastic material to form a main sheath portion, severing the main sheath portion into one or more condom pieces, and sealing one end of each piece.

REFERENCES:
patent: 3358062 (1967-12-01), Lemelson
patent: 3433862 (1969-03-01), Weber
patent: 3608268 (1971-09-01), Lauritzen
patent: 3755277 (1973-08-01), Toups
patent: 3963801 (1976-06-01), Su
patent: 4123589 (1978-10-01), Koriatzki et al.
patent: 4656199 (1987-04-01), Niderellmann et al.
patent: 4810451 (1989-03-01), Ermert et al.
patent: 4820270 (1989-04-01), Hardcastle et al.

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