Apparatus for injection molding
CA 1184719 A · Owner: Pemco-Kalamazoo, Inc. · Inventors: Shupe, Richard D.; Simon, Earl; Black, John W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus for lifting a mold top upwardly away from a mold bottom includes a support for the mold bottom, a drive for moving the support horizontally a, frame, and a drive for moving the frame vertically. The frame has two gripping arrangements, movement of the support when the frame is in a lowered position causing the mold top to move to a position between the gripping arrangements, the gripping arrangements engaging vertical side surfaces on the mold top. Subsequent upward movement of the frame lifts the mold top due to engagement of the gripping arrangements with lips provided above the side surfaces. The gripping arrangements each include a roller support member pivotally supported …
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 April 2, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 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.