Tube bender construction
CA 1180259 A · Owner: Imperial Clevite Inc. · Inventors: Schwarz, Albert J.; Kowal, Leonard J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
TUBE BENDER CONSTRUCTION", ABSTRACT OF THE DISCLOSURE A tube bender construction (10,110,210) for manual operation in bending a tube (T). The tube benders include a mandrel (11,111,211) defining a bending groove (12,112,212) into which the tube is urged by a forming member (13,113,213) mounted to the mandrel to swing about a bending axis of the bending groove. The tube to be bent is held against longitudinal movement during the bending operation. Movement of the forming member about the bending axis is effected by manipulation of a pair of handles (17,18;117,118;219,220). The handle connected to the mandrel is removably connected thereto as for removal when the mandrel is vise-mounted. The …
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 January 2, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 2, 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.