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:
Mar. 01, 1977
Filed:
Dec. 31, 1975
Applicant:
Inventors:
Paul D Hanson, Pittsburgh, PA (US);
Jack E Binning, Pittsburgh, PA (US);
Harry J Kent, Pittsburgh, PA (US);
Assignee:
Dravo Corporation, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J / ; B30B / ;
U.S. Cl.
CPC ...
277187 ; 1002 / ;
Abstract
A seal assembly is provided for effecting a fluid seal between the side wall of a vertically movable hydraulic ram and a stationary pressure vessel, the seal assembly comprising a plurality of elongated, resilient, cylindrical members longitudinally disposed along the lip of the pressure vessel confronting the side wall of the ram and including flexible retaining means for said elongated resilient cylindrical members.