Electro-conductive elastomeric devices

Electrical resistors – Strain gauge type – Extensometer type

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338 47, 338114, G01B 716

Patent

active

047484330

ABSTRACT:
An elastomeric electro-conductive device (10) capable of providing within a predetermined range of elastic elongation (.lambda.) of the device (10) sensory signals representative of elastic elongation (.lambda.) imposed on the device includes an elastomeric electro-conductive member (11) bonded to an elastomeric substrate (12). Member (11) and substrate (12) have substantially similar resistance-to-stretch characteristics .phi. within the predetermined range. On a Mooney Plot for (.lambda..sup.-1) values in the range 0.5 to 0.8 .phi. is substantially constant at 0.4 M Nm.sup.-2.

REFERENCES:
patent: 3719913 (1973-03-01), DuBose et al.
patent: 4145317 (1979-03-01), Sado et al.

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