Measuring and testing – With fluid pressure – Dimension – shape – or size
Patent
1984-04-24
1985-10-01
Myracle, Jerry W.
Measuring and testing
With fluid pressure
Dimension, shape, or size
73 378, G01B 1308
Patent
active
045438161
ABSTRACT:
The diameter of a continuous filter rod is monitored in a tubular nozzle through which successive increments of the rod are conveyed axially and which directs against the external surface of the tubular envelope of the rod a narrow annular stream of compressed air at a pressure which does not result in deformation of the envelope. The thus admitted air is permitted to escape into the atmosphere only by way of two narrow passages which flank the region of contact between the air stream and the envelope. A flow meter indirectly monitors the rate of flow of air through such passages and generates signals which are indicative of the diameters of successive increments of the envelope. The pressure of the air stream which impinges upon the envelope is constant. The permeability of the material of the envelope can be ascertained by a discrete testing unit, and the results of such test are processed with the results of monitoring of the diameter by a computer which transmits signals serving to adjust the machine, to actuate an alarm or to arrest the machine.
REFERENCES:
patent: 3585844 (1971-06-01), Dornseiffen
patent: 3595067 (1971-07-01), Von Der Lohe et al.
patent: 3633590 (1972-01-01), Pocock et al.
patent: 3668928 (1972-06-01), Strydom
patent: 4121450 (1978-10-01), Zurcher
patent: 4181007 (1980-01-01), Arisaka et al.
Brand Peter
Heitmann Uwe
Lorenzen Heinz-Christen
Menzel Peter
Hauni-Werke Korber & Co. K.G.
Kontler Peter K.
Myracle Jerry W.
Roskos Joseph W.
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