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:
Sep. 23, 1986
Filed:
Dec. 30, 1985
Antti-Jussi Heilala, Jarvenpaa, FI;
Oy Safematic Ltd., Muurame, FI;
Abstract
A slide-ring seal for sealing a shaft rotating with respect to a wall. The slide-ring sealing comprises a frame portion provided with connections for a sealing liquid and seal rings (4) provided with slide rings (5), which seal rings are so positioned with respect to each other that the sealing slide surfaces of the slide rings (5) are pressed against each other and rotate with respect to each other. Each slide ring (5) is thereby fastened on the seal ring (4) thereof by means of a shrinkage fit in such a manner that a radial press force (F.sub.K) of the shrinkage fit is wholly directed to act on the center of mass (K) of the cross-sectional area of the slide ring (5). In order to prevent distortion of the slide surface of the slide ring (5), an axial force (F.sub.L) created by deformations of the seal ring is wholly directed to act on the center of mass (K) of the cross-section of the slide ring (5).