Proces and apparatus for forming extremities of tubes

Details Proces and apparatus for forming extremities of tubes Proces and apparatus for forming extremities of tubes

1990-02-28

1991-10-08

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

264318, 264320, 264334, 264347, 264DIG59, 264293, 425393, 425403, 425440, 425385, B29C 3350, B29C 3502

Patent

active

050552511

ABSTRACT:
Forming process, during vulcanization on a mandrel, of the end portions of rubber tubes, using a tool having a radially deformable skirt in the form of a corolla, made of vulcanized rubber which encloses the end portions of rubber tubes using solely the action of the circumferential elasticity of its corolla. The disengagement of the part after vulcanization is accomplished by a simple axial thrust on the corolla. An upturned position of the radially deformable skirt makes possible the installation of the rubber tubes and other preparation operations.

REFERENCES:
patent: 3353220 (1967-11-01), Lenable
patent: 3814565 (1974-06-01), Cahour et al.
patent: 4134784 (1979-01-01), Badberg et al.
patent: 4298330 (1981-11-01), Davis

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