Fibre reinforced thermoplastics material structure and method of making same
CA 1286968 C · Owner: Biggs, Ian Stedman · Inventors: Radvan, Bronislaw; Biggs, Ian Stedman
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of making a fibre reinforced plastics structure having a plurality of layers, including a first layer which is fully consolidated with uniformly dispersed fibres and a second layer which is formed as an absorbent matrix. The structure is formed from a first sheet of fibre reinforced thermoplastics material which will consolidate when cooled after subjection to pressure at a temperature above the melt temperature of the thermoplastics material of the first sheet and a second sheet of fibre reinforced thermoplastics material which will remain porous when cooled after subjection to pressure at a temperature above the melt temperature of the thermoplastics material of the second sheet …
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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 July 30, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 30, 2008.
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Timeline
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.