Shoe bailer is a steel valve, the upper part of which serves for connection with the housing bailer and valve apparatus, and bottom - for breaking rock. The outer diameter of the bottom portion of the blade shoe increases, the diameter of which is 4-6 mm larger than the outer diameter of the housing bailer. The lower part is a valve bailer which at its sharp lowering the bottom hole is opened by passing the rock inside. When lifting bailer valve closes.
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