Dual lip rod wiping seal
CA 1058651 A · Owner: Vegella, George · Inventors: Vegella, George
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A one-piece piston rod wiping seal member for cleaning reciprocating piston rods or plungers as the rod moves into the cylinder chamber for cleaning dust and other foreign matter from the surface of the rod to present the foreign matter from entering the working chamber and contaminating the interior thereof. The wiping seal member is of one-piece construction and includes an endless body portion of elastomeric material with a pair of lips projecting axially and radially with respect to an end wall of the body member. One of the lips is a rod engaging lip and projects radially inwardly to engage the surface of a piston rod. The other lip is a cylinder end cap engaging the lip for engaging …
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 July 17, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 17, 1996.
- 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.