|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||428/35 ; 264/504 ; 264/572 ; 428/166|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 27 인용 특허 : 1|
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”.
A molded structural web article of plastic material comprising a substantially continuous molded integral, strong, enveloping exterior skin having major sections and connecting side wall sections, a generally continuous hollow center therein, and a plurality of integral skin-connecting webs positioned in said hollow center and projecting from the interior of a side wall section into the hollow interior of said article to connect and support portions of the major sections of the structural web article, said skin-connecting webs not interconnecting with ea...