Geometrical instruments – Area integrators – Electrical
Patent
1979-02-26
1980-12-30
Martin, Jr., William D.
Geometrical instruments
Area integrators
Electrical
33143L, 33147L, 26 91, G01B 504
Patent
active
042415071
ABSTRACT:
An apparatus is provided for detecting the presence of, for measuring the magnitude of, and for determining the location of, variations in the distance between the tenter chains in a carpet drying oven. Such apparatus facilitates the measurement of the distance between the tenter chains at various positions along the length of the oven without the need for prolonged shut-down of the oven as has heretofore been required for manual obtention of such measurements. In addition, the instant apparatus allows such measurement to be made while the tenter is under tension due to the weight of the carpet thereon.
REFERENCES:
patent: 2832148 (1958-04-01), Rousse
patent: 3382554 (1968-05-01), Harmon et al.
Guffey James B.
Martin, Jr. William D.
The Dow Chemical Company
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