Electrically operated heating element for a hot runner mould
CA 1237562 A · Owner: Ewikon Entwicklung Und Konstruktion G.M.B.H. & Co, Kg. · Inventors: Muller, Walter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An electrically operated heating element is provided for a hot runner mould with a heating conductor disposed in the hot runner and in sprue channels branching off from the hot runner and leading to a series of outlet openings of the hot runner mould. The heating conductor is designed as a flat body and is provided on the side facing the outlet openings with projecting tongues, each of which extend into the area of an outlet opening. The free end of each tongue is designed as a point and the tongues are made in one, piece with the flat body.
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 June 7, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 7, 2005.
- 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.