Glass manufacturing – With signal – indicator – inspection means – register – or recorder
Patent
1994-10-24
1997-08-26
Cano, Milton
Glass manufacturing
With signal, indicator, inspection means, register, or recorder
65160, 65164, 65324, 65325, 65328, 65330, C03B 700
Patent
active
056606109
ABSTRACT:
A needle assembly (30) for controlling the flow of molten glass from a feeder bowl (76) through one or more orifices (84) in an orifice plate (86) beneath the feeder bowl. The needle assembly includes a vertical needle (32) for each orifice and each needle is precisely adjustable along its vertical axis by a stepper motor (34). The stepper motor for each needle is positioned remotely from the needle and drives the needle through a potentiometer (72) and a linkage mechanism (36). Each linkage mechanism includes a generally horizontally extending member (38), a vertically extending member (40), and a bevel gear drive (88) to permit the generally horizontally extending ember to drive the vertically extending member. The rotation of the potentiometer is a measure of the travel of the needle, and sends a signal of the position of the needle to an operator at the level of the forming machine floor, who can, when necessary, actuate a stepper motor to adjust the position of the needle without the need to leave the forming machine floor.
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DiFrank Frank J.
Morrison Francis R.
Slifco John M.
Cano Milton
Owens-Brockway Glass Container Inc.
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