Blast hole liner

Details Blast hole liner Blast hole liner

2011-05-31

2011-05-31

Carone, Michael (Department: 3641)

Ammunition and explosives

Blasting

Contained blasting charge

C102S313000, C102S331000, C102S332000, C102S323000

Reexamination Certificate

active

07950328

ABSTRACT:
A borehole liner comprising a continuous length of polymer tubing of alternating diameters forming undulations sized for creating undulations in the liner to optimize the annular air gap alternating with full bore hole diameter loads of explosive to effectively reduce overall explosives consumption by 1-20%. Explosive charge weights can be modified to meet the users needs without introducing inert materials or other more labor intensive alternative.

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