Random laid bonded continuous filament cloth and method and apparatus for making same
CA 1068889 A · Owner: The Procter And Gamble Company · Inventors: Sisson, James B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
James B. Sisson ABSTRACT OF THE DISCLOSURE, This application discloses a cloth structure comprising preferably generally continuous melt spun organic polymer filaments dispersed and laid to provide frequent random filament crossings, subsequently bonded to form a coherent cloth. In accordance with one aspect of the disclosed invention, a stream of filaments is melt spun through a linear spinnerette having a plurality of spinnerette orifices or rows of orifices offset to enable interleaving of the extruded filaments into a planar single row stream of filaments which are mechanically drawn to textile denier while still arranged in such single row stream on a draw roll having its surface in …
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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 1, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 1, 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.