Hazardous or toxic waste destruction or containment – Containment
Patent
1992-04-14
1993-03-02
Taylor, Dennis L.
Hazardous or toxic waste destruction or containment
Containment
405128, B09B 100
Patent
active
051911566
ABSTRACT:
The drill string enclosure consists of six component parts, including; a top bracket, an upper acrylic cylinder, an acrylic drill casing guide, a lower acrylic cylinder, a bottom bracket, and three flexible ducts. The upper acrylic cylinder is optional based upon the drill string length. The drill string enclosure allows for an efficient drill and sight operation at a hazardous waste site.
REFERENCES:
patent: 216970 (1879-07-01), Parks
patent: 510264 (1893-12-01), Kash
patent: 2122517 (1938-07-01), Curtis
patent: 3922869 (1975-12-01), Wisotsky
patent: 4257720 (1981-03-01), Ostgaard
patent: 4444280 (1984-04-01), Howeth
patent: 4834194 (1989-05-01), Manchak
patent: 5127765 (1992-07-01), Millgard
Jorgensen Douglas K.
Kuhns Douglass J.
Miller Timothy A.
Wiersholm Otto
Anderson Thomas G.
Davis Tyrone
Moser William R.
Taylor Dennis L.
The United States of Americas as represented by the United State
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