Method for producing curved elastomeric tubular articles

Details Method for producing curved elastomeric tubular articles Method for producing curved elastomeric tubular articles

1975-08-18

1976-11-16

Kucia, Richard R.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Plural sequential shaping or molding steps on same workpiece

264317, 264339, B29H 518

Patent

active

039925056

ABSTRACT:
The method includes filling the hollow interior of a flexible uncured tubular preform with a flowable substantially incompressible material, training the thus filled tubular element about discrete support means which contact a portion of the exterior surface of the tubular element to form the desired serpentine configuration, and then curing the filled, serpentined tubular element followed by totally discharging the incompressible material from the interior of the tubular element.

REFERENCES:
patent: 1877628 (1932-09-01), Reploge
patent: 1880053 (1932-09-01), Schur
patent: 2389038 (1945-11-01), German
patent: 2525285 (1950-10-01), Collins
patent: 2525662 (1950-10-01), Freeman
patent: 3645491 (1972-02-01), Brown
patent: 3753635 (1973-08-01), Barnett

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