Coolant supply in rotating cutting tool
CA 1280627 C · Owner: Hunt, Carl E. · Inventors: Hunt, Carl E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A coolant supply apparatus and cutting tool, incorporating such apparatus wherein during a cutting, operation coolant is supplied from a coolant supply means through a coolant supply member which is spaced from a tool shank mounted supply ring. A valve is included for preventing leakage at the space between the coolant supply means and the supply ring when the coolant is being supplied.
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 February 26, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 26, 2008.
- 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.