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:
Oct. 22, 1991
Filed:
Sep. 30, 1988
Applicant:
Inventor:
Mario Da Re', Turin, IT;
Assignee:
Fiat Auto S.p.A., Turin, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
264 25 ; 264 451 ; 264255 ; 2643286 ; 26432818 ;
Abstract
Structural elements of thermosetting plastics material, particularly component parts for motor vehicle bodies, are produced by injecting into a mould, in accordance with known 'sandwich' injection moulding technology, a first flow of thermosetting plastics material which, after its polymerization in the mould, has aesthetic characteristics and characteristics of flexibility and impact strength, and subsequently a second flow of thermosetting plastics material which, after polymerization has characteristics of rigidy and structural strength, so as to obtain structural elements which have a rigid core of the second material and a shell of the first material adhering to the core.