Actuation magnet for moving a closure needle of a hot-runner...

Details Actuation magnet for moving a closure needle of a hot-runner... Actuation magnet for moving a closure needle of a hot-runner...

B - Operations, Transporting

29

C

B29C 45/30 (2006.01)

Patent

CA 2631901

The invention relates to an actuation magnet for moving a closure needle of a hot-runner nozzle of an injection moulding tool, with an armature which is coupled in movement to the closure needle, and may be displaced between a first and a second core by way of subjecting at least one coil to current, as well as with a permanent magnet which is arranged in a manner such that it exerts an additional magnetic force onto the armature in at least one, preferably in two movement directions.

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