Blasting apparatus, blasting method and retainer member used for the blasting method
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United States of America Patent
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Aug 13, 2002
Grant Date -
Nov 22, 2001
app pub date -
Jul 9, 2001
filing date -
May 30, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Supplying a predetermined amount of electric energy to a fine metal wire 4 in a short time causes the fine metal wire 4 to melt and evaporate. Following this phenomenon, a blasting substance 10 expands in volume, so that the evaporative expansion force resulting from the melting evaporation of the fine metal wire 4 is transmitted to and blasts a to-be-blasted object 5.
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