The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 27, 1977
Filed:
May. 17, 1976
Paul R Schaeffer, Paoli, PA (US);
The Alan I W Frank Corporation, Exton, PA (US);
Abstract
Apparatus for molding products from polymeric material comprising cooperating mold elements forming a mold cavity for receiving polymeric material to be molded and means for optionally introducing steam into thermoconductive relationship with the respective mold elements in parallel and in series. Also a method of molding products from polymeric material comprising introducing polymeric material into a mold cavity formed by cooperating mold elements, causing steam to flow in thermoconductive relationship with the respective mold elements in parallel during a portion of the molding cycle and causing steam to flow in thermoconductive relationship with the respective mold elements in series during another portion of the molding cycle.