Method and apparatus for handling strands
CA 1108834 A · Owner: Owens-Corning Fiberglas Corporation · Inventors: Stotler, David V.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Roving or beaming method and apparatus are provided in which a combined strand is produced from feeder packages. The passage of the strands from each feeder package is sensed and, the cessation of passage of strand from any one of the feeder packages results in the addition of a strand from an auxiliary package. Where strands are unwound from hollow feeder packages the auxiliary strand can be inserted into the interior of a feeder package for engagement with one of the feeder strands being unwound.
Read the whole patent
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 September 15, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 15, 1998.
- 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.