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:
May. 29, 1984
Filed:
Sep. 08, 1981
Applicant:
Inventor:
Avi Zakai, Rishon Le-Zion, IL;
Assignee:
Mil Mutzarim Techniim (1971) B.M., Holon, IL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
251-5 ; 251 611 ;
Abstract
A tube valve having a tube that closes the valve by being moved to a position juxtaposed to an impervious support structure having a traversing impervious barrier and that opens the valve by being moved away from the support structure wherein the 'water hammer' effect is minimized by tube movement resistance generated by the barrier configuration.