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Expired Canadian patentCanada

Machine press, specifically stamping press

CA 1064320 A · Owner: Bellaplast G.M.B.H. · Inventors: Hell, Hans; Thiel, Alfons W.

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

A stamping press as for stamping molded articles out, of a plastic web wherein the articles are premolded as a fixed, stamping tool section accurately secured on the press frame and a movable tool section slidably mounted on fixed columns on the fixed section and connected by operating linkage to power driven devices on the frame, the linkage including adjustments for tool alignment, stroke and frequency. Push rods in the linkage transmit movement to the movable tool section from cam controlled rocker arms, and the push rods axe removably hinged to the movable tool section to disconnect and remove the latter. Secondary devices such as ejectors and further tools are actuated in synchronism …

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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 October 16, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 16, 1996.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedOctober 16, 1979
Term endedOctober 16, 1996
Patent numberCA 1064320 A
Classification (IPC)B30B7/00 +2 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedOct 16, 1979Term endedOct 16, 1996

Sources & verification

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