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:
Nov. 19, 1985
Filed:
Aug. 16, 1983
John C Vicic, Houston, TX (US);
Other;
Abstract
An improved ram-type blowout preventer including a housing with a vertical bore therethrough and opposed, aligned ram guideways extending outward from the bore through the housing, a ram in each of the guideways, means for moving each of the rams inwardly and outwardly in its guideway, a front packer in each of the rams, the front packer including an upper plate, a lower plate, a resilient packing between the plates, a layer of woven non-metallic fabric embedded in the packing immediately below the front of the upper plate with the fabric extending from the front to the rear of the packing and completely through the central portion and into the side portions of the packing and the fabric being woven from material selected from the group consisting of aramid fibers, glass fibers, polyester fibers, nylon fibers and carbon fibers.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile