Title:
CONDUCTIVE FIBER MATERIAL
Document Type and Number:
Japanese Patent JPS61239044
Kind Code:
A
Abstract:
Disclosed is an electroconductive fibrous material comprising a composite yarn (1) comprising a core yarn composed of at least one kind of fiber selected from organic fibers and inorganic fibers and a covering layer composed of a ribbon-shaped metal fiber spirally wound around the core yarn, the coverage of the ribbon-shaped metal fiber to the core yarn being at least 50%. The electroconductive fibrous material (1) is used for a parabolic reflecting body of a parabolic antenna and as an electromagnetic were shielding material. A collapsible parabolic antenna is also disclosed which has a collapsible framework comprising a central shaft (11), a plurality of wing ribs (12) rotatably pivoted on one point of the central shaft, a bracket (13) slidably attached to the central shaft and a plurality of push-up ribs (14) for connecting the wing ribs to the bracket, and a sheet supported by the wing ribs to cover spaces between adjacent wing ribs, which sheet is made of the electroconductive fibrous material.
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Inventors:
SHIKAMA YASUHIRO
SATO SEIZO
SATO SEIZO
Application Number:
JP7534985A
Publication Date:
October 24, 1986
Filing Date:
April 11, 1985
Export Citation:
Assignee:
ASAHI CHEMICAL IND
International Classes:
D02G3/36; D03D15/00; H01Q15/14; H01Q15/16; (IPC1-7): D02G3/36; D03D15/00
Attorney, Agent or Firm:
Aoki Akira