Strands and netting and screens made thereof
CA 1160597 A · Owner: Kai, Yuriko · Inventors: Kai, Yuriko
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A screen for a sieve for sifting particles of a predetermined size from a loose ore conglomerate has an upper layer of longitudinal straight strands each comprising glass fibre core covered by an abrasion-resisting organic elastomer and having a circular cross-section, the strands being parallel to and spaced from each other in a first plane and a lower layer of similar straight spaced parallel strands perpendicular to the strands of the upper layer and contacting the latter at crossing points. The elastomer surfaces of the strands of both layers are secured together at the crossing points by the strands having been heated sufficiently to produce a predetermined degree of melting of 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 January 17, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 17, 2001.
- 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.