Chemical apparatus and process disinfecting – deodorizing – preser – Chemical reactor – Including specific material of construction
Patent
1990-05-10
1992-01-14
Straub, Gary P.
Chemical apparatus and process disinfecting, deodorizing, preser
Chemical reactor
Including specific material of construction
422245, 1566171, 1566204, 156DIG64, 156DIG115, 193 27, 414208, 414299, C30B 3500, C30B 1502, B65G 1108
Patent
active
050808737
ABSTRACT:
A crystal growing apparatus includes a crucible, a feed pipe and a pulling mechanism. The crucible serves to melt a crystalline material. The feed pipe serves to cause the crystalline material to fall into the crucible to charge the crucible with the crystalline material. The pulling mechanism serves to pull a single-crystal from the molten material in the crucible. The feed pipe has a lower end positioned slightly above the surface of the molten material in the crucible and including a plurality of baffle plates mounted on an inner peripheral wall thereof in longitudinally spaced relation to one another. The baffle plates are arranged so that a pitch defined between adjacent two baffle plates decreases toward the lower end of the feed pipe.
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Arai Yoshiaki
Kida Michio
Ono Naoki
Sahira Kensho
Mitsubishi Materials Corporation
Straub Gary P.
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