Process for the molding of plastic structural web and the result

Details Process for the molding of plastic structural web and the result Process for the molding of plastic structural web and the result

1976-07-14

1979-01-23

Dixon, Jr., William R.

Stock material or miscellaneous articles

Hollow or container type article

Cellular material derived from plant or animal source

264504, 264572, 428166, 428188, 428 71, 428315, 428322, B32B 300, B29C 1706

Patent

active

041362209

ABSTRACT:
Process and resulting article are disclosed wherein plastic material is passed into a mold cavity; pressurizing fluid is injected into the plastic material under controlled pressure and at a controlled rate to cause the plastic material to flow out and assume the contour of the cavity, the gas pressure being maintained until the plastic material is self-supporting. The resulting article has an outer skin and a generally hollow center containing skin-connecting structural "webs".

REFERENCES:
patent: 3865667 (1975-02-01), Ferrari
patent: 3929951 (1975-12-01), Shibata et al.
patent: 3935358 (1976-01-01), Wyeth et al.

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