Method for producing a plastic molding with a foam core and an o

Details Method for producing a plastic molding with a foam core and an o Method for producing a plastic molding with a foam core and an o

1996-09-04

1998-04-07

Kuhns, Allan R.

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Composite article making

264 466, 264273, B29C 4406, B29C 4414

Patent

active

057360820

ABSTRACT:
A plastic molding has a core and a skin-provided foam provided on an outer surface of the core. The core is provided with side walls, a foaming material receiving portion defined by the side walls, and through holes provided in the bottom surface of the foaming material receiving portion to extend through the core to connect the foaming material receiving portion to the outside of the core. The skin-provided foam includes a foam which is received in the foaming material receiving portion of the core to be adhered to the bottom surface thereof and enters the through holes of the core to constitute engaging portions with the core, and a skin member which covers the outer surface and side surfaces of the foam and is held at the end portions thereof between the foam and the side walls of the core. The disclosure is also directed to a method for producing such a plastic molding.

REFERENCES:
patent: 3379800 (1968-04-01), Wert
patent: 3435470 (1969-04-01), Krenzler
patent: 4118451 (1978-10-01), Schaus
patent: 4269890 (1981-05-01), Breitling et al.
patent: 4386982 (1983-06-01), Weinhaus
patent: 4409163 (1983-10-01), Van Manen
patent: 4420447 (1983-12-01), Nokashima
patent: 4542054 (1985-09-01), Fillmann
patent: 4878827 (1989-11-01), Muller
patent: 5193264 (1993-03-01), Brown
patent: 5356580 (1994-10-01), Clark et al.
patent: 5500168 (1996-03-01), Suzuki
patent: 5500169 (1996-03-01), Kondo et al.

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