Winder device
CA 1264048 C · Owner: Saukkonen, Seppo · Inventors: Tomma, Kauko; Saukkonen, Seppo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In a winder device for winding a moving web such as paper, or cardboard web, to form a roll of considerable weight the, roll is carried by support members giving it peripheral support The support members comprise a rotatable winder drum, transmitting the web to the roll and a movable, support web device The support members are arranged to form the main support of the roll. The support web device includes a support web having a portion between two rotatable support elements and this support web portion has a roll supporting surface of contact with the roll. The surface of contact is continuously enlarged when said roll grows, in order to eliminate the risk of roll damages due to excess …
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 December 27, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 27, 2006.
- 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.