Patent Yard Sign in
Expired Canadian patentCanada

Device for releasably clamping a cutting insert on a tool-holder

CA 1293368 C · Owner: Societe Anonyme: Societe Industrielle D'Electro-Metallurgie · Inventors: Viellet, Guy

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

Open the CIPO record

Abstract From the Canadian patent

This invention relates to a device for releasably clamping a cutting insert on a tool-holder device comprising a screw of which the threaded shank adapted to be screwed in a tapped hole in the tool-holder passes through an eccentric cylindrical hole in the insert. According to the invention, the head of the screw comprises, from the shank, a truncated bearing surface, a cylindrical bearing surface and a shoulder, adapted to cooperate with the edge and the wall of the eccentric hole in the insert, to press the sides of the latter against the lateral stop faces of the tool-holder and the base of said insert against the bearing face of said tool-holder.

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 December 24, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 24, 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.
FiledDecember 29, 1987
GrantedDecember 24, 1991
Term endedDecember 24, 2008
Patent numberCA 1293368 C
Classification (IPC)B23B27/16

Timeline

Timeline From CIPO dates

1988199119941997200020032006Application filedDec 29, 1987Patent grantedDec 24, 1991Term endedDec 24, 2008

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.