Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1978-09-28
1980-02-19
Hoffman, James R.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
427 10, A47G 2702, G01B 1502
Patent
active
041893352
ABSTRACT:
The distribution of a coating composition, e.g., a binder composition, on a carpet structure is determined by illuminating the coated carpet surface with light and measuring the intensity of the light returned therefrom. The intensity of the returned light relates to the distribution, i.e., (1) the amount of the illuminated surface which is coated and (2) the depth of said coating, of the coating on the carpet structure.
REFERENCES:
patent: 2868062 (1959-01-01), Haley
patent: 3474254 (1969-10-01), Piepenbrink et al.
patent: 4029420 (1977-06-01), Simms
Evans John C.
Wittbrodt Edwin L.
Hoffman James R.
The Dow Chemical Company
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