Method for producing fibre-reinforced concrete and articles produced by this method
CA 1089669 A · Owner: Schemel, Hermann · Inventors: Schemel, Hermann
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of producing fibre-reinforced concrete articles and articles produced by this method in which a reinforcing framework consists of an open thread lattice having a predetermined spacing between threads of the lattice and wherein reinforcing fibres of a length less than the spacing between threads of the lattice are adhered to the lattice with random orientation. The prepared reinforcing framework is then worked into bulk cement while in the plastic condition and the cement is then allowed to harden. Either natural or synthetic fibres may be used for the thread lattice or the reinforcing fibres and these can also consist of steel fibres. In articles made by the method, a polyurethane …
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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 November 18, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 18, 1997.
- 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.