Geometrical instruments – Straight-line light ray type – Process
Patent
1987-06-26
1989-04-04
Martin, Jr., William D.
Geometrical instruments
Straight-line light ray type
Process
33286, 33263, 33645, 33533, 7386385, G01B 712
Patent
active
048172936
ABSTRACT:
This method for axially aligning an assembly for implanting a parietal probe through an orifice provided in the wall of a reducing-smelting furnace is applicable to an assembly comprising a tightness device equipped with a sealing off member and a tightness member, a chassis fixed to the furnace and supporting the tightness device and a frame equipped with a probe-holding carriage. The assembly further comprises means for adjusting the position of the frame and means for temporarily fixing coaxially to the tightness device first a telescope directed towards the orifice in order to align the axis of the tightness device with the axis of said orifice, and then a light beam source directed onto a target carried by the carriage in order to align the axis of the probe with the axis of the tightness device.
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patent: 3832904 (1974-09-01), Dreuw et al.
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Patent Abstracts of Japan, vol. 7, No. 86 (C-161)[123], 9 avril 1983; & JP-A-58 16 005 (Shin Nippon Seitetsu K.K.) 29-01-1983.
Patent Abstracts of Japan, vol. 10, No. 52 (P-432)[2109], 28 fevrier 1986; & JP-A-60 195 408 (Hitachi Seisakusho K.K.) 03-10-1985.
Daverio Jean-Claude
Grein Frederic
Institut des Recherches de la Siderurgie Francaise-irsid
Martin, Jr. William D.
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