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:
Jun. 03, 1986
Filed:
Apr. 23, 1984
Applicant:
Inventor:
Richard M Boyd, St. Louis Park, MN (US);
Assignee:
Minnesota Rubber Company, Minneapolis, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L / ;
U.S. Cl.
CPC ...
138 45 ; 138 44 ;
Abstract
A flow washer in the form of a disc constructed of flowable-under-pressure, flexible, resilient material and having a plurality of closely spaced thin fins extending radially inwardly from an outer wall and terminating short of the disc's center to cooperatively define an axial orifice inwardly thereof. A method of making the flow washer is also disclosed.