Pointed heat-generating device for molds of injection molding machines
CA 1164615 A · Owner: Seiki Engineering & Research Company Limited · Inventors: Yoshida, Yoshiichi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
TITLE OF THE INVENTION, "A pointed heat-generating device for molds of injection molding machines", ABSTRACT OF THE DISCLOSURE This invention relates to a pointed heatgenerating device for molds of injection molding machines. It comprises a metal casing 2 a pointed, projectile heat-generating means 3 fixed with the metal casing, and a gate 18 formed at the pointed heatgenerating means and communicated to a cavity 19 of the molds, characterized in that a heat-generating wire 7 is penetrated wholly into a passage which is bored in a non-processed cylindrical material 3a and an alloy portion X is formed in an inert gas between an end of the heat-generating wire and the non processed …
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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 April 3, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 3, 2001.
- 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.