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:
May. 16, 1995
Filed:
May. 20, 1994
Applicant:
Inventor:
Michael Brummer, Laudenbach, DE;
Assignee:
Firma Carl Freudenberg, Weinheim, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
249 62 ; 264221 ; 264317 ; 425438 ; 425542 ;
Abstract
A melt core constructed of a low temperature melting point alloy for producing a cavity in a structural part manufactured by injection molding, the melt core being formed as a hollow body. Depending upon the production process employed, the hollow body is provided with an opening, which is tightly sealed by a separately produced cover constructed of the same material as the hollow body that it seals.