Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1997-07-28
1999-12-21
Loney, Donald
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
15624418, 15624419, 264162, 264241, 26427211, B32B 3100
Patent
active
060044160
ABSTRACT:
Method for manufacturing an insulating body with a predetermined profile for an electrical device. This method comprises the steps of forming a covering body of cross-linkable polymer material on a supporting element, where said body has a first external profile that comprises the envelope of the predetermined profile; to vulcanize the body; and to create the predetermined profile on the external surface of said body by removing portions of said material. The covering body obtained in monolithic vulcanized polymer material comprises a central element and a plurality of frusto-conical sheds formed on it where the internal conical surface of at least one shed forms an angle of less than 80.degree. with the central element and where the external conical surface of at least one shed forms an angle greater than 110.degree. with said central body.
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International Standard, International Electrotechnical Commission, CEI, IEC, 1109, p. 7 (1992).
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Le Peurian et al.; "Synthetic Terminations for High Voltage Cables--Assessment of Service Life" CIGRE' 1992, 21-201, pp. 1-10.
Xidong et al. "Composite Longrod Insulator--The Solution of Future Line Insulation in China" Proceedings Second International Conference on Properties and Applications of Dielectric Materials; vol. 1, Sep. 12-16 1988, pp. 237-240.
Masaomi et al. "Method of Cutting Molded Item of Unvulcanized Rubber", Patent Abstracts of Japan, vol. 007, No. 21 for Japanese Pub. No. 58 114933 (Aug. 7, 1983).
Portas Francesco
Vallauri Ubaldo
Loney Donald
Pirelli Cavi S.p.A.
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