Title:
【発明の名称】加熱冷却機構付きセグメントおよびそれを用いた金型
Document Type and Number:
Japanese Patent JP2781354
Kind Code:
B2
Abstract:
A segment used for producing a composite insulator having a core member and a housing member arranged around the core member and constructed by a trunk portion and a shed portion is disclosed. The segment has a pair of segment molds detachably connected at a partition plane and a heating and cooling passage arranged in the segment molds respectively. The segment molds have a through-hole through which the core member is arranged, an upper plane forming portion arranged at its one end surface for defining an upper plane of the shed portion, and a lower plane forming portion arranged at its other end surface for defining a lower plane of the shed portion. A heating or cooling medium is passed through the heating and cooling passage. Moreover, a mold is constructed by integrating a plurality of segments with the heating and cooling passage mentioned above.
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Inventors:
Hayakawa Atsuji
Nakajima Isao
Yusuke Utsumi
Nakajima Isao
Yusuke Utsumi
Application Number:
JP32767994A
Publication Date:
July 30, 1998
Filing Date:
December 28, 1994
Export Citation:
Assignee:
Nippon Insulator Co., Ltd.
International Classes:
B29C39/26; B29C39/18; B29C39/38; B29C45/26; B29C45/73; H01B17/00; H01B17/32; H01B19/00; B29L31/34; (IPC1-7): H01B19/00; B29C39/18; B29C39/26; B29C39/38; H01B17/00; H01B17/32
Domestic Patent References:
| JP5177669A | ||||
| JP3244518A | ||||
| JP628939A | ||||
| JP58183212A | ||||
| JP527248Y2 |
Attorney, Agent or Firm:
Akihide Sugimura (9 outside)