Ball furnace
United States Patent 2479878
US Patent References:
/0599205.html
- - 0599205

/1320640.html
- - 1320640

Sand-drying device
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Roller rack
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Vermiculite expansion method
- - 2139378


Inventors:
Samuel, Strelzoff
Publication Date:
08/23/1949
View Patent Images:
Assignee:
CHEMICAL CONSTRUCTION CORP
Primary Class:
Other Classes:
221/266, 432/122, 222/2, 432/99, 414/151, 193/27, 221/68
International Classes:
C10B49/16; F28C3/14; C10B49/00; F28C3/00
Foreign References:
DE104387C