Method and apparatus for applying elastic band onto moving web
CA 1310308 C · Owner: Shimakawa, Taiji · Inventors: Shinohara, Junji; Kobayashi, Shigetoyo; Nomura, Hironori
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The method and apparatus are adapted for intermittently applying pieces (5) of elastic band severed into predetermined lengths onto a moving continuous web (8) at predetermined positions. The apparatus comprises elastic band transfer means (11) including a plurality of independently rotatable rotor elements (26) coaxially supported and carrying on respective arc-shaped outer surfaces suction members (12). The rotor elements (26) are rotated along common circumferential path and the respective rotor elements (26) are coupled to a drive eccentric relative to a rotational centre of the rotor elements and rotates at a constant speed by a slider crank mechanism; suction distributor means (13) …
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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 November 17, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 17, 2009.
- 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.