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.

Date of Patent:
Sep. 11, 1984

Filed:

Dec. 16, 1983
Applicant:
Inventor:

Albert H Knowles, Concord, NH (US);

Assignee:

K.R. Associates, Inc., Concord, NH (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J / ; F16J / ;
U.S. Cl.
CPC ...
277-4 ; 277 27 ; 2772 / ; 277-1 ; 4507 ; 285 / ; 285 95 ; 285235 ; 285405 ;
Abstract

A novel seal around conduits passed through walls of fluid-containing housings embodying a stretchable annular butyl-rubber-like sheet washer stretch-fitted upon the inner end of the conduit and conformed to the inner wall portion of the housing around the conduit and held there-against by the pressure of the fluid against the washer irrespective of the contour or irregularities or material of the inner wall surface.


Find Patent Forward Citations

Loading…