Molding method for manufacturing expansion-molded insert-embedde

Details Molding method for manufacturing expansion-molded insert-embedde Molding method for manufacturing expansion-molded insert-embedde

1989-12-12

1991-08-27

Dawson, Robert A.

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Composite article making

264 467, 264154, 264255, 2642711, B29C 6722

Patent

active

050431145

ABSTRACT:
A molding method in which a first expansion-molded layer is formed inside of the skin molded in the shape corresponding to the configuration of a molded product, an insert member is placed in a location inside of the first expansion-molded layer and, in this condition, a second expansion-molded layer is formed inside of the first expansion-molded layer so that the insert member may be embedded in the second expansion-molded layer.

REFERENCES:
patent: 2845997 (1958-08-01), Waite
patent: 3534129 (1970-10-01), Bartel
patent: 4116736 (1978-09-01), Sanson et al.
patent: 4134942 (1979-01-01), Mirr et al.
patent: 4278629 (1981-07-01), Bennett
patent: 4377609 (1983-03-01), Bartoli et al.
patent: 4420447 (1983-12-01), Nakashima
patent: 4544126 (1985-10-01), Melchert

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