Method of forming a steel insert for molded rubber part
CA 2399989 A1 · Owner: Battistoni, Daniel · Inventors: Battistoni, Daniel; Antonini, Joseph
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An insert for a combustion head gasket seals a coolant or oil aperture. The insert is manufactured separately from the main gasket structure and is , formed of two, materials, a metallic body and an elastomeric sealing bead bonded thereto. A disclosed method for manufacturing the insert includes shaping the insert body and, molding the bead in a single process. The method includes the steps of: (a) providing, a mold having an upper section and a lower section the lower section defining , a, cavity adapted to receive a blank metal substrate; (b) placing the metal substrate into, the mold cavity; (c) closing the upper section against the substrate to hold the insert in, place under a …
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
- Filed August 28, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 28, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 28, 2024.
- 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.