Tension sensor

Details Tension sensor Tension sensor

1977-04-12

1978-08-15

Myracle, Jerry W.

Measuring and testing

With fluid pressure

Dimension, shape, or size

73144, G01L 504

Patent

active

041063309

ABSTRACT:
A device for measuring tension exerted upon a thin, flexible, elongated, plastic bubble. The device utilizes a cylindrical air-bearing and a flow of air to concentrically and symmetrically deflect a portion of the bubble. By measuring the static pressure within the channel defined by the air bearing and the bubble, the tension forces on the bubble side walls in the longitudinal direction may be computed from known mathematical relationships characterizing thin-walled pressure vessels. The device is particularly useful for sensing tension fluctuations about a norm where the bubble is continuously moving and of indefinite length under a controlled manufacturing process.

REFERENCES:
patent: 3439536 (1969-04-01), Cushman
patent: 3845434 (1974-10-01), Carter

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