Device for taking out sheet rolls and mounting sheet roll cores
CA 1265493 C · Owner: Kataoka, Hiroshi · Inventors: Kataoka, Hiroshi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A device is disclosed for taking out sheet rolls and mounting sheet role cores. The device comprises a wheeled roll holder support capable of being advanced and retracted with respect to the sheet rolls. A sheet roll holder is provided on the sheet roll holder support for vertical movement thereon and is capable of receiving the sheet rolls. Core holding means is provided on the sheet roll holder support or the sheet roll holder. This device is adapted to be used for a sheet winder which has a mechanism for discharging sheet rolls by withdrawal of a take-up shaft in the axial direction thereof from the sheet rolls. With this device, the withdrawn take-up shaft is returned to the take-up …
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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 February 6, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 6, 2007.
- 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.