Electrical resistors – Strain gauge type – Extensometer type
Patent
1986-01-22
1988-05-31
Goldberg, E. A.
Electrical resistors
Strain gauge type
Extensometer type
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.
Angadjivand Seyed A.
Jackson John
Goldberg E. A.
Lateef M. M.
University of Strathclyde
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