Process for producing cylindrical reinforcing fibrous molding
CA 1290562 C · Owner: Hara, Takashige · Inventors: Inoue, Masahiro; Ishikawa, Masanobu; Karasawa, Hitoshi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process for producing a cylindrical reinforcing fibrous molding which comprises the steps of: sealing openings at opposite ends of a cylindrical disintegratable mold having a porosity immersing the mold, into an aqueous solution of a molding material containing a reinforcing fiber and an inorganic binder and depositing, the molding material onto an outer peripheral surface of the mold by applying an suction within the mold to form a molding blank; pressing the molding blank against the mold to adjust the shape of the molding blank; heating and drying the molding blank; disintegrating the mold for removal; and firing the molding blank to partially bond the reinforcing fiber with 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 October 15, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 15, 2008.
- 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.