Method and apparatus for forming a 360 degree skin handle

Details Method and apparatus for forming a 360 degree skin handle Method and apparatus for forming a 360 degree skin handle

1989-07-10

1991-08-06

Epstein, Henry F.

Stock material or miscellaneous articles

Sheet including cover or casing

Foamed or expanded material encased

428 76, 428158, B32B 108, B32B 708

Patent

active

050376870

ABSTRACT:
A method for forming a 360 degree integral skin handle in a thermoplastic part for use in automotive trim products includes the steps of forming a mold with a prtial recess closed by a removable plug and thereafter selectively directing heat from a first source through the mold and from a second source through the plug to form a completely closed, curved, heated tube surface and thereafter casting thermoplastic material against the curved, heated tube surface to fuse and cure a layer of material thereon in the form of a tube skin segment which is releasable from the mold when the plug is removed. Apparatus for practicing the method includes a mold with a recess therein and a plug is supported on the mold for movement into a position for closing the tube surface and into a demolding position for releasing the molded part. The article formed by the method and apparatus includes a shell of thermoplastic material which is fused and cured and which includes a generally planar segment having an integrally formed tubular segment thereon for defining the outer skin surface of a full 360 degree handle.

REFERENCES:
patent: 3123403 (1964-03-01), Hood
patent: 4021072 (1977-05-01), Belanger
patent: 4459331 (1984-07-01), Brix et al.
patent: 4562025 (1985-12-01), Gray
patent: 4572856 (1986-02-01), Gembinski
patent: 4610620 (1986-09-01), Gray
patent: 4623503 (1986-11-01), Anestis et al.

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