An apparatus and a method for aligning a web
CA 2404309 A1 · Owner: The Procter & Gamble Company · Inventors: Fournier, Gerard C.; Tiettmeyer, Paul Gerard; Kistner, Jerome Leroy
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus and method for aligning a continuous web (22) of material with an entry point of a machine (115) that utilizes the web as a source material. The web may include pre-processed materials that may be thicker than conventional webs and/or have uneven thickness, and/or are susceptible to excessive compression forces and/or tensions which may be found in ordinary straightwound rolls. Such pre-processed materials may be wound in traverse-wound rolls or festooned into a container forming a web source structure which is wider than the web width. The web is pulled from such web source structure by the machine through a series of guides (120,125,130,145,150,160) which include …
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 April 3, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 3, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 3, 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.