A method and apparatus for the bulk collection of texturized strand
CA 2420527 A1 · Owner: Lewin, David F. · Inventors: Fazio, Michael B.; Lewin, David F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and apparatus for collecting texturized strand are disclosed. The apparatus for collecting texturized strand includes a texturizer (20) for expanding a continuous strand of glass fibers (80) into a wool-like product a , container (30) for collecting the texturized strand and a device (50) , establishing a pressure differential between an interior region of the container (70) and a region external of the container (72). The texturizer includes a nozzle to which a supply of compressed air (22) and a continuous strand (12) are fed. The compressed air advances the strand of glass fibers through the nozzle and expands the strand so that the filaments are spread apart, thereby …
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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
- Filed September 6, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 6, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 6, 2023.
- 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
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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.