Measuring and testing – Specimen stress or strain – or testing by stress or strain... – Specimen clamp – holder – or support
Reexamination Certificate
2007-03-27
2007-03-27
Noori, Max (Department: 2855)
Measuring and testing
Specimen stress or strain, or testing by stress or strain...
Specimen clamp, holder, or support
Reexamination Certificate
active
11074240
ABSTRACT:
The aim of the invention is to prevent a detrimental effect on the operation of electric smelting furnaces. To achieve this, a pressure cell (41), which continuously measures the clamping force, is allocated to the actuating cylinder (21) that is responsible for fixing the interchangeable electrode (31) into the electrode support arm (11), said pressure cell continuously transmitting the measured values to a measured value display that is located at a distance from the furnace. This obviates the need for the previous conventional method of checking the current clamping pressure by placing a clamping pressure gauge in the electrode holder, e.g. when the electrode is replaced, without running the risk of a breakdown caused by the detachment of the electrode, triggered by an uncontrolled drop in the clamping pressure.
REFERENCES:
patent: 4138118 (1979-02-01), Budney
patent: 5417464 (1995-05-01), Seaberg et al.
patent: 5430954 (1995-07-01), Best et al.
patent: 5445613 (1995-08-01), Orth
patent: 6520022 (2003-02-01), Anderson et al.
patent: 6758098 (2004-07-01), Nunnelee
patent: 2003/0220542 (2003-11-01), Belson et al.
Fogiel Max
Noori Max
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