Process and apparatus for deburring moulded parts produced by pressing
CA 1190716 A · Owner: Lignotock Verfahrenstechnik G.M.B.H. · Inventors: Kiss, Gunter H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The process and the apparatus for deburring moulded parts produced by pressing especially moulded parts of lignocellulose fibre mats. A small circumferential zone of the fibre mat between the edge contour of the moulded part to be deburred and the edge of the waste shoulder is thermally decomposed during pressing. In the decomposition zone the thermally decomposed portion of the fibre mat is removed from the edge contour of the moulded part or removing the moulded part from the press tools. The decomposition zone is limited by a circumferential groove shaped chamber provided in one of the press tools. The portion of the fibre mat enclosed in the chamber is substantially uncompressed and the …
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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 July 23, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 23, 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.