Method for manufacturing tape tab stock that may be used to produce tape tab fasteners for disposable absorbent articles
CA 2192323 C · Owner: The Procter & Gamble Company · Inventors: Cabell, David William; Goulait, David Joseph Kenneth
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for manufacturing tape tab stock that may be used to produce tape tabs (40) for use with disposable absorbent articles as well as a method for , manufacturing tape tab stock that can be produced on-line and concurrently with the disposable absorbent article to which the tape tabs (40) are joined. The first step in the process is to provide a backing substrate (52) upon which the adhesives of the tape tab can be applied. Once the backing is provided, a pressure sensitive adhesive (54) is applied to regions of one side of the backing substrate. The backing substrate (52) is then slit in a direction parallel to the machine direction and the release surface of a release …
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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
- Filed June 9, 1995 and granted May 16, 2000. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 9, 2015.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 9, 2017.
- 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.