Curing apparatus
CA 1098970 A · Owner: Dainichi-Nippon Cables, Ltd. · Inventors: Otsuji, Masaaki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A curing apparatus for continuously producing shaped articles of cross-linked polymeric material in which a curing tube is adapted to be heated by the direct passage of electric current in the tube. One terminal of a power supply is connected to the opposite ends of the voltage applying section to be heated while the other terminal of, the power supply is connected to the tube at a position where the voltage applying section is divided into two so that one portion on the inlet side of the tube is lower in electric resistance than the other portion on the outlet side thereof. The increased heat generation resulting from the lower electric resistance of the inletside portion maintains 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 April 7, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 7, 1998.
- 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.