System and process for measuring fiberglass

Details System and process for measuring fiberglass System and process for measuring fiberglass

1984-06-01

1988-09-06

Howell, Janice A.

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

250341, 436 34, G01J 100, G01N 2175

Patent

active

047695447

ABSTRACT:
The present invention is a device to measure the degree of cure of fiberglass using only infrared radiation. Particular frequencies of infrared radiation are used to determine the value of a cure-sensitive function and also the value of as cure-insensitive function and from a combination of the values of the functions, a property of fiberglass is determined.

REFERENCES:
patent: 3793524 (1974-02-01), Howarth
patent: 4097743 (1978-06-01), Carlson
patent: 4363968 (1982-12-01), McGowan et al.
patent: 4609628 (1986-09-01), Aschenbeck
Measurex, "Infrand.RTM.V Moisture Sensor 2258,2259,2260", 1983.
Measurex 2001, "Infrared Thickness Sensor 2335", 1977.
599 Le Nouvel Automatisme, vol. 28 (1983) Oct. No. 41, Paris France.
2417 Optical Engineering, vol. 22 (1983) Jul./Aug., No. 4, Bellingham, Washington, USA.

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