Conveyor roller for roller conveyor in glass sheet processing system
CA 1280985 C · Owner: Nippon Sheet Glass Co. Ltd. · Inventors: Yoshizawa, Hideo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A conveyor roller for use in a roller conveyor for conveying a heated glass sheet in a glass sheet processing system includes an elongate core rotatable by driver means, and a support body made of a felt material comprising gibers of at least one type which is mechanically strong and/or resistant to heat the support, body being mounted on and disposed around an outer peripheral surface of the core for supporting the glass sheet. The felt material comprises a base woven web of glass fibers, 10 to 50 wt% of aramid fibers and 50 to 80 wt% of carbon fibers which are neelded to be intertwined with each other and the base woven web.
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 March 5, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 5, 2008.
- 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.