Plastic and nonmetallic article shaping or treating: processes – With measuring – testing – or inspecting
Patent
1981-06-04
1985-02-26
Mackey, Robert R.
Plastic and nonmetallic article shaping or treating: processes
With measuring, testing, or inspecting
2642905, D02J 122
Patent
active
045017107
ABSTRACT:
This is an improved apparatus and process for stretching a tow of filaments by the tension caused by driven rolls dragging the tow across drag rolls. The improvement comprises continuously controlling at least one undriven or drag roll proportional to the sensed variation in a ratio of speed between at least one driven roll and at least one drag roll.
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Abbott James G.
Berley Jerry W.
Brandi, Sr. Adolph J.
Ward, Jr. Allen E.
Allied Corporation
Anderson Richard A.
Mackey Robert R.
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