Global Patent Index - EP 3138110 B1

EP 3138110 B1 20180228 - PLUNGER COIL, TREADED SPINDEL THEREFOR AND METHOD OF MANUFACTURING THEREOF

Title (en)

PLUNGER COIL, TREADED SPINDEL THEREFOR AND METHOD OF MANUFACTURING THEREOF

Title (de)

TAUCHKERNSPULE, GEWINDESPINDEL HIERFÜR UND VERFAHREN ZU DEREN HERSTELLUNG

Title (fr)

BOBINE DE PLONGEUR, BROCHE FILETÉE ASSOCIÉ ET SON PROCÉDÉ DE PRÉPARATION

Publication

EP 3138110 B1 20180228 (DE)

Application

EP 15708701 A 20150129

Priority

  • AT 503172014 A 20140430
  • AT 2015050030 W 20150129

Abstract (en)

[origin: WO2015164896A1] The invention relates to a plunger core coil (1) comprising a coil (3) with an air gap (5), a threaded spindle (7) which pushes through the air gap (5) and has a cylindrical base body (17) made of metal, and a plunger coil (6, 6') with a nut (9, 9') which is wound onto the threaded spindle (7) and lies on the side of the plunger coil (6, 6') facing the air gap (5), wherein at least one longitudinal section (15, 16) of the base body (17) of the threaded spindle (7) is provided with at least one slot (18) which extends across the longitudinal section (15, 16) and is filled with a non-metallic inlay (19), and wherein an outer surface of the inlay (19) forms, with an outer surface (20) of the base body (17), a thread (10, 10') across the longitudinal section (15, 16). The invention further relates to a threaded spindle (7) for a plunger core coil (1) and a method for producing a threaded spindle (7) of this type.

IPC 8 full level

H01F 29/10 (2006.01)

CPC (source: AT EP)

H01F 29/10 (2013.01 - AT EP)

Citation (examination)

DE 3730462 A1 19890323 - SIEMENS AG [DE]

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

WO 2015164896 A1 20151105; AT 515723 A1 20151115; EP 3138110 A1 20170308; EP 3138110 B1 20180228; NO 3138110 T3 20180728

DOCDB simple family (application)

AT 2015050030 W 20150129; AT 503172014 A 20140430; EP 15708701 A 20150129; NO 15708701 A 20150129