COMPOSITE ORGANIC INSULATOR, COMPOSITE ORGANIC BUSHING AND MANUFACTURE OF THE SAME

Japanese Patent JP3833849

B2

PROBLEM TO BE SOLVED: To provide a composite organic insulator, a composite organic bushing, and their manufacturing method by which shortening of life caused by parting lines can be improved.
SOLUTION: In a composite organic insulator (or bushing) comprising an insulating core body and an insulating sheath 12 formed around the insulating core body by filling an organic high molecular material into a mold cavity, the parting lines of the insulating sheath 12 are discontinuously formed in the longitudinal direction of the composite organic insulator (or bushing). The manufacturing method of the composite organic insulator (or bushing) comprises a process for multidivisionally molding the insulating sheath 12 in the longitudinal direction of the composite organic insulator (or bushing), the mold fitting surfaces are in parallel with the longitudinal direction of the insulator (or bushing) in the molding process, and the mold fitting surfaces of at least a set of adjacent molding parts are not located on the same plane.

WO/1995/015843	PROCESS FOR MANUFACTURING INSULATOR BODIES WITH SHIELDING RIBS
JPS5826772	[Title of the device] A Slow down device of an insulator fitting part

Etsuhiro Shinkotani
Ryuzo Kibuchi
Takao Noguchi
Satoru Kobayashi
Hiroshi Masuya

JP13204399A

October 18, 2006

May 12, 1999

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THE FURUKAW ELECTRIC CO.,LTD.

H01B17/00; H01B17/26; H01B19/00; (IPC1-7): H01B17/00; H01B17/26; H01B19/00

JP7045146A
JP8001828A
JP9330628A
JP58095518A

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