ACTUATION MAGNET FOR MOVING A CLOSURE NEEDLE OF A HOT-RUNNERNOZZLE OF AN INJECTION MOULDING TOOL

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 th e closure needle, and may be displaced between a first and a second core by way of subjecting at least one coil to curren...

Full description

Saved in:
Bibliographic Details
Main Authors HEISEN, WOLFRAM, RUFER, MANFRED, STORJOHANN, JENS, PFEIFFER, BORGAR, JOTTER, MATHIAS
Format Patent
LanguageEnglish
French
Published 23.11.2008
Subjects
AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
PERFORMING OPERATIONS
SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR
SHAPING OR JOINING OF PLASTICS
TRANSPORTING
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Online AccessGet full text

Cover

More Information
Summary: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 th e 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 i t exerts an additional magnetic force onto the armature in at least one, preferably in two movement directions.
Bibliography:Application Number: CA20082631901