Method and device for measuring the variations of the cross-sect

Details Method and device for measuring the variations of the cross-sect Method and device for measuring the variations of the cross-sect

1978-09-25

1980-02-26

Stearns, Richard R.

Geometrical instruments

Area integrators

Electrical

33143L, 33147N, 73160, G01B 704, G01B 706

Patent

active

041898419

ABSTRACT:
Novel method and device for measuring instantaneous changes of the thickness or diameter of travelling yarns and similar structures. The devices comprise sensing means provided with a pair of members contacting the yarn, with one of the members spring loaded toward the other. The distance or the variation of the distance between the contacting members when the yarn travels is detected by a transducer, e.g. of the capacitive type, and translated into electrical sensing signals.

REFERENCES:
patent: 3000101 (1961-09-01), Giardino et al.
patent: 3007252 (1961-11-01), Mann
patent: 3106762 (1963-10-01), Rieva
patent: 3256610 (1966-06-01), Brys
patent: 3826487 (1974-07-01), Forster et al.

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