Method and apparatus for dispensing salt powder as pellets in la

Details Method and apparatus for dispensing salt powder as pellets in la Method and apparatus for dispensing salt powder as pellets in la

1977-09-19

1979-10-09

White, Robert F.

Plastic and nonmetallic article shaping or treating: processes

Forming articles by uniting randomly associated particles

Stratified or layered articles

264118, D04H 116

Patent

active

041706196

ABSTRACT:
Highly purified metal halide salts are made into a frangible stick having uniformly spaced lines of weakness which permit the stick to be broken readily into cylindrical pellets of uniform size. The pellets are particularly useful to supply the vaporizable fill in high intensity metal halide discharge lamps. The stick is formed by intermittently loading salt powder into the sized entrance to a channel through which the salt is forced, and compressing the charge against the back end of previously formed salt stick by means of a polished plunger.

REFERENCES:
patent: 903865 (1908-11-01), Jones
patent: 2127994 (1938-08-01), Davis et al.
patent: 3920783 (1966-06-01), Hara et al.

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