Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1989-05-04
1990-05-15
Ball, Michael W.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156234, 350 9615, 350 9629, B32B 3120
Patent
active
049255142
ABSTRACT:
Disclosed is a light attenuator comprising a stick or rod composed of a light-transmitting material, and a light-attenuating layer composed of a thermoplastic resin and formed on at least one end face of the stick or rod, wherein finely divided particles having a light-absorbing or light-scattering property are uniformly incorporated in the thermoplastic resin. This light attenuator is made by forming a light-attenuating thermoplastic resin layer having incorporated therein the light-absorbing or light-scattering finely divided particles on a release film or paper; placing the light-attenuating layer formed on the release film or paper on a heating plate; press-bonding the end face of a rod or stick composed of a light-transmitting material inserted and set in a ferrule to the surface of the release film or paper; cooling the bonded assembly; and then peeling the release film or paper to transfer the light-attenuating layer to the end face of the light-transmitting rod or stick.
REFERENCES:
patent: 4398985 (1983-08-01), Eagon
patent: 4520062 (1985-05-01), Ungar et al.
patent: 4793883 (1988-12-01), Sheyon et al.
Kagami Manabu
Okada Hiroshi
Suematsu Chiaki
Suzuki Shingo
Ball Michael W.
Engel, Jr. James J.
Mitsubishi Rayon Company Ltd.
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