Plastic and nonmetallic article shaping or treating: processes – Outside of mold sintering or vitrifying of shaped inorganic... – Including plural heating steps
Patent
1987-03-02
1988-03-29
Corbin, John K.
Plastic and nonmetallic article shaping or treating: processes
Outside of mold sintering or vitrifying of shaped inorganic...
Including plural heating steps
264 19, 264 25, 350 97, 350104, 350320, 425808, G02B 600, G02B 5126, G02B 0000, B29D 1100
Patent
active
047339462
ABSTRACT:
This invention concerns bars (14) for reflectors, the bars (14) being suitable for the electroforming of blocks faceted so as to obtain such reflectors (10), and being able to have a quadrangular or hexagonal section, such bars (14) comprising at least one lateral face tapered in relation to their lengthwise axis. The invention also concerns a reflector (10) obtained at least partially by using a plurality of bars (14) of which at least part are constituted as above.
REFERENCES:
patent: 3258840 (1966-07-01), Hedgewick et al.
patent: 3649153 (1972-03-01), Brudy
patent: 3710095 (1973-01-01), Donohue et al.
patent: 3851947 (1974-12-01), Montgomery
Corbin John K.
Lemmo V.
Seima Italiano SpA
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