Transducer assembly and method of manufacturing same

Details Transducer assembly and method of manufacturing same Transducer assembly and method of manufacturing same

1976-02-19

1977-08-02

Gill, James J.

Measuring and testing

Ductility or brittleness

338 6, G01B 716

Patent

active

040388670

ABSTRACT:
This invention relates to a transducer assembly for measuring loads in flexible sheet material, and to a method of making the transducer assembly.
A strain gauged transducer plate is bonded between first and second sheets of flexible material, and a lead out cable from the strain gauge is sandwiched between spaced, mating PTFE (polytetrafluoroethylene) tapes attached to each flexible sheet. The cable is arranged in a generally sinusoidal pattern so that the cable crosses the space between the tapes at a plurality of locations throughout the length of the tapes and so that at each location the cable crosses the space in a direction generally perpendicular to the longitudinal direction thereof, thereby preventing damage and breakage of the tapes due to operational flexing of the transducer assembly.
In a preferred embodiment, the transducer plate is secured in an aperture in a woven fabric sheet which is then bonded between the flexible sheets. The plate is secured in the plane of the woven sheet by a thread of the sheet being passed through a hole at each end of the plate and re-weaving the thread back into the sheet.

REFERENCES:
patent: 3118301 (1964-01-01), Bajenski et al.
patent: 3332280 (1967-07-01), Fish et al.

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