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:
Jun. 18, 1985
Filed:
Sep. 16, 1983
Applicant:
Inventors:
Assignee:
UBE Industries, Ltd., Yamaguchi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29F / ;
U.S. Cl.
CPC ...
2643286 ; 26432813 ; 26432817 ;
Abstract
A molded article is formed by a reaction injection molding method wherein a starting material, e.g., an .omega.-lactam, is injected into a mold, the inner pressure of which is maintained at 0.5 to 20 kg/cm.sup.2 .multidot.G with an inert gas; and the inner pressure of the mold is maintained at a level higher than the pressure increased by injection of the starting material until the polymerization molding of the starting material is completed.