Method and apparatus for producing glass fibers
CA 1099111 A · Owner: Nitto Boseki Co. Ltd. · Inventors: Helberg, Keith A.; Nichols, Claude R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A cooling system for establishing and maintaining the running mode of a bushing used in production of glass fibers which embodies a heated orifice plate with closely spaced orifices and a bulk flow of upwardly directed gas (e.g. air) which cooling system comprises a series of opposing nozzles which provide a multiple air lance effect in starting up clearing and maintaining the flow of individual glass fibers through each orifice.
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 April 14, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 14, 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.