Method for producing elastic bands for the clothing industry
CA 2378429 A1 · Owner: Carl Freudenberg Kg · Inventors: De Riz, Erich; Devos, Robert; Schuster, Ingeborg
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a method for the production of elastic bands for utilization in the clothing industry from a web of fabric especially a web of , nonwoven fabric, having at least partially synthetic fibers or filaments. According to said method, one or more industrially manufactured webs (1 2; , 16) are folded together and connected to one another by their open edges (3 4; 5, 6; 18, 19) thereby forming a tube (11). The wall (21) of the tube (11) is cut diagonally so that a new and more elastic web of fabric (22) that can be cut into bands (25) in longitudinal direction (26) is formed.
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 July 5, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 5, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 5, 2022.
- 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.