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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.:

US 5929364 B1

PDFFull Text
Date of Patent:
Jul. 27, 1999

Filed:

Nov. 25, 1997

Obturator sealing means for a split wedge/breechblock gun

Applicant:
Inventors:

Richard W Tortorici, Schenectady, NY (US);

Edward J Hyland, Clifton Park, NY (US);

Assignee:

The United States of America as represented by the Secretary of the Army., Washington, DC (US);

Attorneys:

Moran; John F.

Sachs; Michael C.

Primary Examiner:

Stephen M Johnson

Int. Cl.
CPC ...
F41A / ;
U.S. Cl.
CPC ...
89 26 ; 89 24 ;
Abstract

An obturator for guarding the primary sealing surfaces of a step wedge brhblock gun from post-firing residue buildup assures greater survivability of the obturator without the necessity of cleaning after each firing. The device includes an active tube insert for facilitating face seal force multiplication, out of bore lip and face seals, an inbore piston polymer with expanding residue guard, and an out of bore face seal with a residue-tolerant polymer.

Find Patent Forward Citations

Tortorici, Richard. (1999). Obturator sealing means for a split wedge/breechblock gun (U.S. Patent No. 5929364). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5929364

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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