Method and apparatus for forming loop-shaped starting pieces such as metallic binding bands into prescribed final shapes
CA 1296989 C · Owner: Kabushiki Kaisha Mihama Seisakusho · Inventors: Hama, Taira
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and apparatus are disclosed for reforming the initial shape of an approximately loop-shaped starting piece into a final prescribed loop-shape. A plurality of elongated materials such as wire rods are arranged in parallel at prescribed intervals to define a prescribed looped or cylindrical space having a first diameter. A plurality of pressing means such as pressing plates actuated by cylinders and pistons press free ends of the elongated materials to reduce the diameter of the looped spare prescribed by the elongated materials to define a reduced looped space having a second diameter smaller than the first diameter. The free ends of the elongated materials are then inserted within …
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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 March 10, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 10, 2009.
- 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
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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.