Boots – shoes – and leggings
Patent
1983-04-06
1985-08-27
Ruggiero, Joseph
Boots, shoes, and leggings
137 88, 13710119, 222 52, 364502, 364510, 366152, G06F 1546, G05D 1113
Patent
active
045382220
ABSTRACT:
A self-contained portable unit for producing a mixture of substances in response to two separate flows includes a portable trailer upon which a holding tank is mounted. Various additive channels are maintained on the trailer for introducing additives, at selectable concentrations or rates, into a first flow which occurs through an inlet conduit connected to an input of the holding tank. Connected to an output of the holding tank is an outlet conduit to which an external blender device can be connected. The trailer has additional additive channels contained thereon for introducing further additives, at selectable concentrations or rates, into a second flow between the holding tank and the external device. Control of the additives is maintained by a microcomputer-based controller or a manual, back-up controller, whichever is switchably selected for each additive channel.
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Crain Stephen F.
Gibson Ronald A.
Gray Steven H.
Green Michael L.
Gilbert III E. Harrison
Halliburton Company
Ruggiero Joseph
Walkowski Joseph A.
Weaver Thomas R.
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