Fluid handling – With leakage or drip collecting
Patent
1989-06-13
1990-08-14
Walton, George L.
Fluid handling
With leakage or drip collecting
137392, 137428, 137558, 141 86, 222 40, 222108, 340605, 340616, 340620, 340625, 417 36, B67D 532, F16K 3102, F17D 500
Patent
active
049478885
ABSTRACT:
A trough surrounding the base of a machine for trapping the spilled chemical and draining it into a pit in which a pump is located that is automatically engaged to pump the spilled chemical into a closed holding tank. A vapor detecting device will, upon the detection of toxic vapors, automatically turn on a ventilation system that will remove vapors from the area of the trough and from an optional isolation tent surrounding the machine and force the vapors through a filter having a bed of charcoal for absorbing the toxic vapors from the air. The filtered air is then vented to the atmosphere. A splash curtain is also used to direct the spilled chemicals into the trough. A substantial portion of the apparatus may be molded as a single unit or as separate sections that may be readily assembled and fixed into a unit at the installation site.
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patent: 4729404 (1988-03-01), Hergenroeder
patent: 4796658 (1989-01-01), Caple
patent: 4842163 (1989-06-01), Bravo
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