Chip breaker for annular hole cutting tools
CA 1195154 A · Owner: Hougen, Everett D. · Inventors: Hougen, Everett D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, Holes are cut in a metal workpiece by means of an annular cutter. The chips formed are broken and prevented from wrapping and accumulating around the cutter and its arbor by means of a chip breaker in the form of a lug or plate positioned generally radially to the cutter and extending into close proximity with the outer periphery of the cutter.
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 October 15, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 15, 2002.
- 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.