VERFAHREN ZUR HERSTELLUNG VON GEFORMTEN, MIT STRUKTURELLEN STEGEN ODER RIPPEN VERSEHENEN GEGENSTAENDEN AUS PLASTISCH ODER THERMOPLASTISCH VERFORMBAREM KUNSTSTOFFMATERIAL, UND NACH DIESEM VERFAHREN HERGESTELLTE GEGENSTAENDE

摘要

10,916 PROCESS FOR THE MOLDING OF PLASTIC STRUCTURAL WEB AND THE RESULTING ARTICLES 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". S P E C I F I C A T I O N