Title (en)

PROCESS FOR MANUFACTURING A HOLLOW BODY FOR COMPOSITE ELECTRICAL INSULATORS AND HOLLOW BODY OBTAINED WITH SUCH A PROCESS

Title (de)

VERFAHREN ZUR HERSTELLUNG EINES HOHLKÖRPERS FÜR ELEKTRISCHE VERBUNDISOLATOREN UND NACH DIESEM VERFAHREN HERGESTELLTER HOHLKÖRPER

Title (fr)

PROCÉDÉ DE FABRICATION DE CORPS CREUX POUR ISOLATEURS ÉLECTRIQUES COMPOSITES ET CORPS CREUX OBTENU AVEC UN TEL PROCÉDÉ

Publication

EP 2715744 B1 20150708 (FR)

Application

EP 12731082 A 20120529

Priority

• FR 1154630 A 20110527
• FR 2012051197 W 20120529

Abstract (en)

[origin: WO2012164215A1] The invention relates to a process for manufacturing a hollow body (2) for composite electrical insulators (1) during which process: at least one strip (5, 6, 7) of material is wound helicoidally around a mandrel (4) having a longitudinal axis (X), so as to produce a first helicoidal winding (50, 60, 70), the mandrel (4) used comprising at least one end (42) shaped to allow a hollow body (2) that is "bell" shaped to be produced; said first helicoidal winding (50, 60, 70) is produced so as to form at least one "bell"-shaped hollow body (2); said first helicoidal winding (50, 60, 70) is sectioned so as to form at least two hollow bodies (2), at least one of which is "bell" shaped; and these two hollow bodies (2) are separated axially so as to remove them from said mandrel (4).

IPC 8 full level

H01B 19/00 (2006.01); H01B 17/60 (2006.01); H01B 17/36 (2006.01)

CPC (source: EP)

H01B 17/60 (2013.01); H01B 19/00 (2013.01); H01B 17/36 (2013.01)

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)

FR 2975814 A1 20121130; FR 2975814 B1 20140221; EP 2715744 A1 20140409; EP 2715744 B1 20150708; PL 2715744 T3 20151231; WO 2012164215 A1 20121206

DOCDB simple family (application)

FR 1154630 A 20110527; EP 12731082 A 20120529; FR 2012051197 W 20120529; PL 12731082 T 20120529