Plastic and nonmetallic article shaping or treating: processes – Optical article shaping or treating – Utilizing plasma – electric – electromagnetic – particulate – or...
Patent
1989-04-05
1990-06-26
Lowe, James
Plastic and nonmetallic article shaping or treating: processes
Optical article shaping or treating
Utilizing plasma, electric, electromagnetic, particulate, or...
264 15, 264171, B29D 1100, G02B 602
Patent
active
049370294
ABSTRACT:
A pressure-sensitive sensor comprises an optical wave guide consisting of a core and a clad, and a light emitting means and a light receiving means each connected to the optical wave guide. The core is made from a transparent material having a refractive index somewhat larger than that of a material constituting the clad and selected from chloroprene rubber, urethane rubber, silicone rubber, fluorine rubber, acrylic rubber, ethylene-propylene rubber, ethylene-propylene-diene terpolymer rubber and epichlorohydrin rubber.
REFERENCES:
patent: 3556635 (1971-01-01), Schrenk et al.
patent: 3742107 (1973-06-01), Hawkins
patent: 4133664 (1979-01-01), Aulich et al.
patent: 4708833 (1987-11-01), Ohsawa et al.
Chikaraishi Toshio
Ishiharada Minoru
Kaneda Hiroshi
Tomita Seisuke
Bridgestone Corporation
Lowe James
LandOfFree
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