Material surface modification
CA 1330521 C · Owner: Bondface Technology Inc. · Inventors: Mackelvie, Winston R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process wherein the surface of suitable materials can be modified for adhesivebonding by keying the surface through the deliberate creation of burrs of various and particular shapes. A large number of burrs can be created in a single operation using a multiple edged tool. Interlocking of these surface burrs on two adherents provides internal reinforcement of an adhesive bond and selfclamping of the materials so modified. This process is highly suited for production adhesive bonding.
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 5, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 5, 2011.
- 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.