Procedure in tissue paper machine fitted with a flow- through dryer
CA 1103917 A · Owner: Oy Nokia Ab · Inventors: Haapsaari, Timo; Huostila, Markku; Suokas, Matti
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides the operation of a tissue paper machine fitted with a flow-through dryer a process in which, a tissue web is transferred onto a flow-through cylinder by means of pick-up fabrics, the pick-up fabric being a felt which is selected and passed so as to operate as an element that removes water from the tissue web and wherein water is removed from tissue web with said felt mainly by means of suction and capillary forces to such a degree that tissue web can sufficiently dried without wet pressing and using a reasonable quantity of suction energy be, passed from said felt to the flow-through drying cylinder.
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 June 30, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 30, 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.