Method and apparatus for dispensing multiple beads of viscous liquid
CA 2081499 A1 · Owner: Fort, Wesley · Inventors: Fort, Wesley
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, A method and apparatus for dispensing multiple, closely spaced beads of viscous liquids such as hot melt thermoplastic adhesive is provided which comprises a dispensing device including a nozzle assembly having a nozzle body connected to a nozzle plate carrying a number of closely spaced nozzle tips. The nozzle body is formed with an internal adhesive flow passage terminating with an elongated distribution channel having an outlet. A number of comparatively small diameter discharge passageways are formed in the nozzle plate, each connected to one nozzle tip and structure is provided for transferring the adhesive from the elongated distribution channel in the …
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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 October 27, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 27, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 27, 2014.
- 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.