Metallurgical apparatus – With recording – indicating – inspection or measuring means – Having observation means
Reexamination Certificate
2009-04-28
2011-11-08
Kastler, Scott (Department: 1733)
Metallurgical apparatus
With recording, indicating, inspection or measuring means
Having observation means
C266S078000, C266S099000, C266S199000
Reexamination Certificate
active
08052920
ABSTRACT:
An apparatus for observing the interior of a blast furnace system includes a visible light guiding unit which defines a light path along a viewing axis that is radial to an upright axis of a furnace wall body of a blast furnace and which is adapted to be secured to a furnace blowpipe to permit the light path to be in visual communication with a tuyere, a beam splitter which is disposed in an accommodation space in the tubular mount to split a beam of light propagating along the light path into a horizontal component so that the operator can observe furnace condition through a peeping hole, and a vertical component, and a video camera system which includes an elongate casing connected to the tubular mount, and a video camera disposed in a cooling chamber of the casing to capture a light image from the vertical component of the light beam.
REFERENCES:
patent: 3588067 (1971-06-01), Shimotsuma et al.
patent: 4322627 (1982-03-01), Pirlet
patent: 4434368 (1984-02-01), Liesch et al.
patent: 5777668 (1998-07-01), Amano
patent: 2010/0270714 (2010-10-01), Tsai et al.
Chen Chung-Mei
Chen Jung-Ching
Chiao Ya-Ming
Du Shan-Wen
Su Kai-Yuan
China Steel Corporation
Fortkort John A.
Fortkort & Houston P.C.
Kastler Scott
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