Electricity: conductors and insulators – Insulators – Divided insulator
Reexamination Certificate
2005-04-05
2005-04-05
Reichard, Dean A. (Department: 2831)
Electricity: conductors and insulators
Insulators
Divided insulator
C174S13700R, C174S13800J, C174S211000
Reexamination Certificate
active
06875929
ABSTRACT:
The invention relates to a method of producing a high-tension insulator including an elongated central solid or hollow body (1), a synthetic material shield layer (6) and one or more synthetic material weathersheds (3) by the following steps:applying said synthetic material shield layer (6) to said solid or hollow body by molding or extrusion;molding said synthetic material weathersheds (3); one of the synthetic materials of said shield layer (6) and the synthetic material of said weathersheds (3) being partly cross-linked and the other of said synthetic materials being at least partly cross-linked.locating said weathersheds (3) at a predetermined site on said shield layer (6); andtotally cross-linking the thus formed blank of said high-tension insulator.
REFERENCES:
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patent: 5641831 (1997-06-01), Hamilton
patent: 5753768 (1998-05-01), Ellis
patent: 6007651 (1999-12-01), Ishino
patent: 196 10 830 (1996-10-01), None
patent: 1 471 083 (1977-04-01), None
Frost Brown Todd LLP
Lee Jinhee
Reichard Dean A.
Wermelinger AG
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