Severed length tape applicator for moving webs
CA 1287019 C · Owner: Minnesota Mining And Manufacturing Company · Inventors: Perecman, Jack L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Tape Applicator, Abstract, A tape applicator for use in applying lengths of tape transversely at spaced parallel positions to a continuously moving receptor web. The applicator applies the lengths of tape to the moving web from a polygonal vacuum head which is moved into contact with the web at web speed to transfer the tape to the web. The vacuum applicator is rotatable about an axis and supports the length of tape prior to transfer on a surface disposed transversely to the direction of movement of the web.
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 July 30, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 30, 2008.
- 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.