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. 27, 1989
Filed:
Sep. 17, 1987
Antti-Jussi Heilala, Starnberg, DE;
OY Safematic Ltd., Muurame, FI;
Abstract
A slide ring seal for sealing a machine part which is rotatable with respect to a wall. The seal comprises seating rings provided with slide rings, the seating rings being so arranged with respect to each other that the sealing slide faces of the slide rings are pressed against each other and rotate with respect to each other. Each slide ring is fastened to its seating ring by means of a shrink fit in such a way that the slide ring is exposed to a radially-acting press force. In order to provide the slide face with a wave shape in the peripheral direction, an axial counter-surface of the seating ring, which in the shrink fit makes contact with an axial peripheral surface of the slide ring, is an axially discontinuous surface.