Global Patent Index - EP 2372725 B1

EP 2372725 B1 2013-09-11 - Production of electrical insulation and insulated products

Title (en)

Production of electrical insulation and insulated products

Title (de)

Herstellung einer elektrischen Isolierung und isolierte Produkte

Title (fr)

Production d'une isolation électrique et produits isolés

Publication

EP 2372725 B1 (EN)

Application

EP 10157948 A

Priority

EP 10157948 A

Abstract (en)

[origin: EP2372725A1] This invention relates to a method (100) for manufacturing an electrical insulator for medium or high voltage equipment. The method (100) comprises the steps of forcing all liquid components of an insulating material of the electric insulator through a static mixture (101); adding at least one filler to the components (102); forcing the components with the at least one filler through a tube comprising a fast-turning screw mixing device mixing the components with the at least one filler to a final mixture of the insulating material (103); leading the final mixture to a mould, for example of a hot press, or a mould for vacuum casting, the mould being located in a vacuum chamber the inlet of the vacuum chamber connected to an outlet of the mixing device that is fluidly connected to the mould (104a, 104b); forming an electrical insulator by at least partly curing the final mixture (105); and moulding the electrical insulator (106). The curing may be part of the moulding.

IPC 8 full level (invention and additional information)

H01B 19/00 (2006.01); C08G 59/22 (2006.01); C08G 59/42 (2006.01); H01B 3/40 (2006.01)

CPC (invention and additional information)

H01B 3/40 (2013.01)

Designated contracting state (EPC)

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 SE SI SK SM TR

EPO simple patent family

EP 2372725 A1 20111005; EP 2372725 B1 20130911; CN 102254648 A 20111123; CN 102254648 B 20130814; KR 101252593 B1 20130410; KR 20110108279 A 20111005

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