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:
Jul. 20, 1976
Filed:
Feb. 20, 1975
Applicant:
Inventors:
Johannes Uerlichs, Woffelsbach, DT;
Rudolf Muller, Merzenich, DT;
Hermann-Josef Stolberg, Birkesdorf, DT;
Assignee:
Hermann Rappold & Co. GmbH, Duren, DT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
137601 ; 13762535 ; 251282 ; 251D / ;
Abstract
A shutoff and control slide includes a cylinder having at least one row of circumferentially spaced elongated openings, and a sliding sleeve mounted for axial displacement in the cylinder. Rings are sealed to the inner surface of the cylinder on opposite axial sides of each row of openings, and each ring has an axially facing abutment surface. Abutment members, each having an axially facing abutment surface, extend outwardly from the sliding sleeve. Sealing members are provided on at least one of the ring and abutment member abutment surfaces.