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 (JP)
Application Number:
PCT/JP2015/074616
Publication Date:
November 24, 2016
Filing Date:
August 31, 2015
Export Citation:
Assignee:
TOUNETSU CO LTD (JP)
International Classes:
H05B3/66; B22D45/00; F22B3/08; F27D11/02; H05B3/44; H05B3/82
Foreign References:
| JPH04198B2 | 1992-01-06 | |||
| JP5371784B2 | 2013-12-18 | |||
| JPH022933B2 | 1990-01-19 | |||
| JPH0242755U | 1990-03-23 | |||
| JPH09185983A | 1997-07-15 |
Attorney, Agent or Firm:
SAMEJIMA, Mutsumi et al. (JP)
鮫島 睦 (JP)
鮫島 睦 (JP)
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