High-elasticity press felt
CA 1102157 A · Owner: Albany International Corp. · Inventors: Grondahl, Eric W.; Gladh, Arne I.L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A high-elasticity dewatering felt for use in e.g. papermaking and cellulose machines wherein the elastic properties of the felt are obtained by admixture thereinto of high-molecular thermoplastic elastomer materials, alternatively high-molecular cross-linked urethane-based elastomer materials which elastomer materials are capable of stretching to at least twice their original length and subsequently, after relief of the load thereon rapidly return to substantially their original length.
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 2, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 2, 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.