Glass manufacturing – Processes – With measuring – sensing – inspecting – indicating – or testing
Patent
1994-05-27
1996-04-30
Lacey, David L.
Glass manufacturing
Processes
With measuring, sensing, inspecting, indicating, or testing
65 2912, 65158, 65160, 73 1R, 73 1J, C03B 1106
Patent
active
055120776
ABSTRACT:
A test apparatus for measuring operating characteristics of a position sensor coupled to a parison mold plunger for glass gob weight control in a press-and-blow individual section glassware manufacturing machine includes circuitry for connection to the sensor to provide a signal as a function of electrical characteristics thereof, a switch network for selecting among a plurality of differing electrical characteristics to be measured, and a display responsive to the sensor signal for displaying the selected and measured electrical characteristic of the sensor to an operator. The measurement circuitry includes a measurement bridge for measuring resistance characteristics of the sensor, and an amplifier circuit for measuring sensor output as a function of position of the plunger. The switch network selectively connects the sensor signal to the measurement bridge and amplifier circuit in differing modes of operation of the test apparatus.
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Lacey David L.
Owens-Brockway Glass Container Inc.
Vincent Sean
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