Multi-layered molded articles

Details Multi-layered molded articles Multi-layered molded articles

1977-07-18

1979-11-13

Dixon, Jr., William R.

Stock material or miscellaneous articles

Hollow or container type article

Cellular material derived from plant or animal source

215 1C, 264328, 264329, 428 64, 428213, B65D 2300, B28B 124, B29F 100, B32B 302

Patent

active

041744136

ABSTRACT:
A multi-layered article molded according to the present invention has in its cross-section a triple-layered structure consisting of two surface layers and a core layer interposed between said surface layers, said triple-layered structure being injection molded in a single shot from two kinds of thermoplastic synthetic resins to be formed into the surface and core layers, respectively, said core layer having a thickness less than one half of the entire thickness of said article.

REFERENCES:
patent: 3894823 (1975-07-01), Hanning
patent: 3906066 (1975-09-01), Barrie
patent: 4035466 (1977-07-01), Langecker
patent: 4052497 (1977-10-01), Monnet

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