Clamping unit with double crank drive
CA 2568688 C · Owner: Krauss-Maffei Kunststofftechnik Gmbh · Inventors: Wohlrab, Walter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a clamping unit for an injection molding machine comprising a fixed platen (1), a support platen (3) and a moving platen (2) which , is arranged between the fixed platen (1) and the support platen (3) for back and , forth movement, wherein the moving platen (2) is supported against the support platen (3) for opening and closing movements through intervention of an opening , and closing mechanism (4), and there is provided at least one pulling means (6) , between the support platen (3) and the fixed platen (1) to allow a buildup of the , clamping force between the fixed (1) and the moving (2) platens. In accordance with the invention, it is proposed that 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
- Filed April 21, 2005 and granted August 7, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 21, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.