Granulate hopper for horizontally and vertically injecting injection molding machines
CA 1161227 A · Owner: Hehl, Karl · Inventors: Hehl, Karl
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A mounting structure for the support of a granulate hopper on the injection unit of an injection molding machine by means of which the hopper can be selectively attached to a horizontally oriented injection unit and a vertically oriented injection unit, the structure comprising a vertical primary charge chute and an inclined secondary charge chute leading into the plastification cylinder and a direct at-, tachment of the hopper base formation to a primary horizontal mounting face of a horizontally oriented injection unit or an attachment of the same hopper formation to the horizontal upper face of an inclined hollow adapter post aligned with the secondary charge chute of a vertically …
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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 January 31, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 31, 2001.
- 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.