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:
Dec. 20, 1977
Filed:
Jun. 14, 1976
Andrew J Petros, Oakdale, PA (US);
Mesta Machine Company, Pittsburgh, PA (US);
Abstract
A sealing arrangement is disclosed for sealing a stationary member to a rotatable member and comprises a pair of rubbing seals mounted on one of the rotatable and stationary members in rubbing engagement with the other of the members. The rubbing seals are relatively closely spaced to form a sealant space therebetween extending radially from the rotatable member to the stationary member and circumferentially and continuously about the rotatable member. The stationary member has a sealant passage extending therethrough in communication with the sealant space. An arrangement is provided for injecting fluid sealant through the sealant passage and into the sealant space so that the sealant space is completely filled with sealant to form a continuous sealing band of fluid sealant extending circumferentially about the rotatable member.