Boring process and apparatus
CA 1254403 A · Owner: Honda Giken Kogyo Kabushiki Kaisha · Inventors: Tamaki, Yoshihiro; Mikami, Kazufumi; Shimogai, Kiyoshi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A boring process involves the step suspending a boring bar for boring a hole in a work for pivotal movement in either directions. Then the work is, brought below the boring bar with the axle of said hole being vertical. Thereafter, the boring bar is lowered and eccentrically passed through the hole in the work and slidably and rotatably supported at least at two points thereof axially spaced apart. Then, the boring is effected by the rotation and axial relative movement of the boring bar with respect to the work, with the axis of the boring bar aligned with the axis of the work. Apparatus for carrying out the boring is provided.
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 May 23, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 23, 2006.
- 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.