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. 13, 1987
Filed:
Jul. 14, 1986
David E Sisk, Bonne Terre, MO (US);
Ultraflo Corp., Ste. Genevieve, MO (US);
Abstract
A reinforced industrial butterfly valve incorporating a tubular housing, having a disc valve stem mounted for pivotal movement within the flow passage provided through the housing, a resilient seal provided around the interior periphery of the flow passage, to provide a positive seal during pressure or vacuum service of this valve, during its application, the valve housing having apertures provided diametrically aligned therein, one of the apertures being counterbored for accommodating a bushing for mounting of the extending proximate end of the valve stem, while the opposite aligned aperture extending entirely through the tubular housing, having a counterbore arranged partially therethrough, and into which another bushing and a packing mount for accommodating the securement of the opposite extending disc valve stem so as to furnish a positive disc control during continuous industrial applications of the valve of this invention.