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:
Feb. 11, 1986
Filed:
Dec. 03, 1984
Applicant:
Inventors:
Peter F Grelle, Edwardsville, IL (US);
Venkataramaraj S Urs, Godfrey, IL (US);
Assignee:
Olin Corporation, Stamford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F42B / ;
U.S. Cl.
CPC ...
102466 ;
Abstract
An all-plastic cartridge case is disclosed. The case is all-plastic and has a hard-plastic rim and a soft-plastic basewad. The basewad is of a plastic similar to that of the shotshell tube while the rim is of a plastic which is chemically dissimilar to the tube. The basewad and rim are mechanically interlocked. Also disclosed is a two-step method for molding such a shell with a dual plastic head. Either the rim or the basewad is molded first and the other of the two is molded through the first.