E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 49/00 (2006.01) E21B 21/015 (2006.01)
Patent
CA 2071089
ABSTRACT In a tool to collect Drill Grindings in the order that they were drilled so they may be analyzed to determine the outlines width length or grade of ore bodies in underground operation using pneumatic drills commonly known as Jack Legs and Long Hole machines. This invention consists of a collector box and burlap sock. The collector box is made of plate steel with rubber facings so it forms a seal when anchored to an irregular rock face, a water hose adapter for constant flushing , a tubular port with holder at bottom where grindings are collected in burlap sock and a centre drill port with rubber seal for drill steels and coupling to pass through. The burlap bag is cylindrical having a length of 1.5 metres and a width of 2 cm to 4 cm depending on the size of drill bit being used. The basic design for the collector box can be changed to adapt to vertical drilling with a long hole machine.
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