BLASTING METHOD AND SYSTEM
Number of patents in Portfolio can not be more than 2000
United States of America
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Issued Date -
Jan 30, 2020
app pub date -
Mar 23, 2018
filing date -
Mar 23, 2018
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Abstract
An above ground stemming device is described which includes a body configured, in use, to cover an open end of a blast hole loaded with explosives to surface or to within 300 mm of surface. The body has a void containing a stem of superabsorbent polymer gel therein and it is positioned in use to allow the stem of superabsorbent polymer gel to be in contact with the explosives in the blast hole. The body may include a base and an upper portion extending upwardly from the base. The void may extend through the body to an opening in the base. Alternatively, the void may be encased by the body. The body may be fabricated from a rigid material or from a flexible material capable of being inflated with a fluid.
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