Integral sealing system for a cylinder rod and the like
CA 1300187 C · Owner: A. W. Chesterton Company · Inventors: Stremeckus, Mark W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An integral sealing system for a cylinder or piston rod and the like, for bearing, sealing and wiping a piston rod during reciprocating motion is a molded, polymeric unit. The integral system includes a body terminating at one end in a divergent pair of generally axially-extending annular tapered lips the outer, surfaces of the pair of lips defining sealing surfaces. The body of the integral system terminates at the other end in an inwardly tapering surface and protruding lip for wiping of the rod surface to exclude contaminants.
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted May 5, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 5, 2009.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.