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Title:
HEATER PROTECTIVE TUBE FOR MOLTEN METAL HOLDING FURNACE
Document Type and Number:
WIPO Patent Application WO/2016/185625
Kind Code:
A1
Abstract:
Provided is a heater protective tube for a molten metal holding furnace that combines heat dissipation properties and heat retaining properties. A heater protective tube 31 has a tip-side tapered cylindrical portion 35 and base end-side non-tapered cylindrical portion 36 that correspond, respectively, to a furnace inner-side tapered cylindrical portion 21 and furnace outer-side non-tapered cylindrical portion 22 formed in an insertion through-hole 20. The heater protective tube 31 is configured to be attachable to a side wall 13 with the tip-side tapered cylindrical portion 35 and base end-side non-tapered cylindrical portion 36 positioned at the furnace inner-side tapered cylindrical portion 21 and furnace outer-side non-tapered cylindrical portion 22.

Inventors:
MOCHIZUKI, Kiyata (Ltd 16, Togamihigashi-cho, Fujinomiya-sh, Shizuoka 07, 〒4180007, JP)
Application Number:
JP2015/074616
Publication Date:
November 24, 2016
Filing Date:
August 31, 2015
Export Citation:
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Assignee:
TOUNETSU CO., LTD (16 Togamihigashi-cho, Fujinomiya-shi Shizuoka, 07, 〒4180007, JP)
International Classes:
H05B3/66; B22D45/00; F22B3/08; F27D11/02; H05B3/44; H05B3/82
Foreign References:
JPH04198B21992-01-06
JP5371784B22013-12-18
JPH022933B21990-01-19
JPH0242755U1990-03-23
JPH09185983A1997-07-15
Attorney, Agent or Firm:
SAMEJIMA, Mutsumi et al. (AOYAMA & PARTNERS, Umeda Hankyu Bldg. Office Tower 8-1, Kakuda-cho, Kita-ku, Osaka-sh, Osaka 17, 〒5300017, JP)
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