Folded fastener products
CA 2403309 A1 · Owner: Velcro Industries B.V. · Inventors: Clune, William
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Fastener products having a multiplicity of fastener elements extending from a strip-form base, the base including first and second attachment members for attachment of a substrate therebetween are formed by continuously introducing molten resin (53) to a gap defined adjacent a peripheral surface of a rotating mold roll (55). The resin (106) forms part of the strip-form base of the product at the peripheral mold roll surface and fills an array of fixed cavities (59) defined in the rotating mold roll (55) to form portions of the fastener elements as projections extending from a first side of the sheet-form base. While the resin is on the mold roll a sheet material is introduced. The , …
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
- Filed March 14, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 14, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 14, 2023.
- 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.