Method of and apparatus for screen printing and application of hot melt and other viscous fluids upon moving web and other substrates
CA 1315151 C · Owner: Mcintyre, Frederic S. · Inventors: Mcintyre, Frederic S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A novel hot-melt and other viscous fluid and coating screen-printing method and apparatus in which a line of fluid is extruded against a predetermined region of a rotary screen opposite which a web is drawn to transfer the fluid extruded at said region through the screen pores, with large cross-section fluid extrusion sealed against the inner wall of the screen as the same rotates past said region, and with features of fluid pressure and screen heating synchronous and proportional to line speed iner-, ted inner screen cavity construction (and possible exterior inerting of the screen), and novel web drawing roller positioning including web-movement rotation of the screen and all accommoda-, …
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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 March 30, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 30, 2010.
- 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.