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. 10, 1988
Filed:
Jul. 01, 1986
Applicant:
Inventor:
Dieter H Kallenbach, Chartwell, ZA;
Assignee:
Coxwold (Proprietary) Ltd., Johannesburg, ZA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E04H / ;
U.S. Cl.
CPC ...
15-17 ; 137843 ;
Abstract
A valve member for a water interruption pool cleaner installable within the operating head between an open mouth and the flexible hose connection. The valve is a tubular body of flexible material. The body assumes a substantially collapsed condition over a segment thereof in absence of a pressure differential across the wall. Along the collapsed segment, the body has diverging interior walls in the direction of water flow. Longitudinal ribbing on each side of the body may be provided for reinforcement.