Plastic and nonmetallic article shaping or treating: processes – With measuring – testing – or inspecting – Measuring a weight or volume
Patent
1993-11-15
1995-03-07
Theisen, Mary Lynn
Plastic and nonmetallic article shaping or treating: processes
With measuring, testing, or inspecting
Measuring a weight or volume
264 407, 264518, D04H 172
Patent
active
053955641
ABSTRACT:
A rate control system to deliver a constant throughput for batt forming equipment that forms the batts by maintaining a pressure gradient across fibers deposited on a rotating condenser screen, the weight of a moving fiber batt is continuously measured as it passes over an inclined slide mounted on load cells. This measurement is converted electronically to a rate value which is then used with the pressure gradient signal to control the delivery of fiber to the condenser screen by adjusting the speed of the feed rolls used to feed the fiber to the condenser screen.
REFERENCES:
patent: 4557882 (1985-12-01), Arnold
patent: 4927582 (1990-05-01), Bryson
patent: 5102585 (1992-04-01), Pieper et al.
Frisbie Elizabeth L.
Moore Stephen E.
Sowell Lyles H.
E. I. Du Pont de Nemours and Company
Theisen Mary Lynn
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