Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1986-02-14
1988-10-11
Swann, III, Glen R.
Communications: electrical
Condition responsive indicating system
Specific condition
350 962, 425137, G08B 2100, G02B 636
Patent
active
047774754
ABSTRACT:
A photoelectric monitor for a mold comprises a pair of securement members secured to opposite sides of a molding zone of a mold and provided with holes which are matched one-to-one with each other across the molding zone, two sensor blocks secured to a molder as spaced apart from the mold and including light-emitting elements and light-receiving elements, a controller connected to each of the sensor blocks, optical fibers each having its one end detachably connected to the light-emitting element of one of the sensor blocks and its other end detachably connected to one of the securement members through the hole, and optical fibers each having its one end detachably connected to the light-receiving element of the other sensor block and its other end detachably connected to the other securement member through the hole.
REFERENCES:
patent: 4273412 (1981-06-01), Hillegonds
patent: 4412798 (1983-11-01), Avellino et al.
patent: 4456822 (1984-06-01), Rose et al.
patent: 4549087 (1985-10-01), Duncen et al.
patent: 4652082 (1987-03-01), Warner
Arima Yoshiyuki
Iwasaki Fukuo
Mita Akimitsu
Mullen Jr. Thomas J.
Nifco Inc.
Swann III Glen R.
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