Process and device for application of a carrying grip during the automatic sealing cartons
CA 1310846 C · Owner: Minnesota Mining And Manufacturing Company · Inventors: Gunther, Werner Theodor
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process for application of a carrying grip or handle by means of adhesive tape to a row of continuously moving cartons during automatic packing and sealing operations, wherein each case a predetermined length of adhesive tape is applied automatically to each carton whereby between the attachment of the two ends of the predetermined length of adhesive tape on the carton the, adhesive tape is acted upon by a movement which is different with respect to at least one parameter from the movement of the carton, thus forming the excess length which constitutes the handle. The adhesive side of the excess length of adhesive tape has been previously covered or masked automatically with a cover tape …
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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 December 1, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 1, 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.