Extrusion nozzle for molten adhesive dispensing device
CA 1092802 A · Owner: Nordson Corporation · Inventors: Smith, Joseph S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, An extrusion nozzle of an extended length that nozzle, being directly connected in heat transfer relation with a heater block in the discharge head of a molten adhesive dispensing device. The elongated nozzle is comprised of an inner tube of steel, and an outer casing of copper or aluminum to establish, optimum strength and heat transfer characteristics for the nozzle along the length thereof from one end to the other. The molten adhesive gun's heater block provides the heat source for the nozzle's casing, the heated casing preventing the molten adhesive from solidifying within the inner tube prior to discharge of the adhesive from the nozzle.
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
- Granted January 6, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 6, 1998.
- 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.