System for the production of rubber tubes
CA 1290231 C · Owner: Colbachini, Giuseppe Aldinio · Inventors: Colbachini, Giuseppe Aldinio
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A system for the production of rubber tubes on elongate horizontal cores comprises two pairs of drive heads mounted on structures capable of displacement upwardly and downwardly with respect to coresponding fixed bases . Between the drive heads there is positioned a bed of predetermined length carrying with the interposition of suitable cushioning means intermediate stands for supporting the cores . Adjacent the said bed , on either side there is a respective ground bar positioned substantially at floor level for supporting and guiding carriages which are movable parallel to the bed
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 October 8, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 8, 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.