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:
Dec. 28, 1993
Filed:
Nov. 17, 1992
Robert A Oropallo, San Marino, CA (US);
American Brass & Aluminum Foundry Company, Inc., Los Angeles, CA (US);
Abstract
A pipe fitting having an end wall and forming a port radially inwardly of the flange to align with the wall opening; an annular elastomeric seal positioned to be compressed between the wall and the work body wall for preventing leakage of fluid outwardly from the wall opening; a test cap unit spaced from the seal and aligned therewith to close off the opening and fastener structure extending through the cap unit and adjustably attached to the fitting for urging the cap unit into sealing relation with the inner side of the work body wall, about the opening, when the seal is compressed as aforesaid, whereby the cap unit then closes off the opening so that test liquid under pressure can be filled into the fitting to test for leakage; the cap unit having annular sealing structure facing toward the annular seal for sealing engagement with the wall inner side, the sealing structure comprising an elastomeric ring and the cap unit includes a plate carrying the ring, the ring consisting of resiliently deflectable material projecting from the plate. That material is typically sponge elastomer.