Continuous molding method for rod-like product
CA 1301421 C · Owner: Ube-Nitto Kasei Co. Ltd. · Inventors: Ida, Yoji; Nakasone, Takayoshi; Yasuda, Kazuo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A continuous molding method for a rod-like product is provided which comprises the steps of: forming an uncured rod-like molding by passing reinforcing fibers impregnated with uncured thermosetting resin through a squeezing die having a predetermined shape; extruding molten thermoplastic fluororesin in a ring shape to enclose the rod-like molding; forming a sheathing layer of the thermoplastic resin by causing the thermoplastic resin to come into contact with the outer periphery of the uncured rod-like molding and by cooling and solidifying the thermoplastic resin; introducing the uncured rod-like molding having the sheathing layer into a heated tank thereby hardening the thermosetting …
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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 May 26, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 26, 2009.
- 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.