Process for degassing a coupling liquid of a pressure wave generator apparatus employing coupling liquid by chemical route, coupling liquid thus treated and shock wave generator using such a coupling liquid
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United States of America Patent
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Sep 21, 1993
Grant Date -
N/A
app pub date -
Jun 18, 1991
filing date -
Jun 19, 1990
priority date (Note) -
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Abstract
A process for degassing a coupling liquid is disclosed, comprising adding to said coupling liquid at least one chemical substance readily taking up gas in a sufficient quantity to absorb said gas substantially completely. This chemical substance is preferably a sulfite of alkaline- or alkaline-earth metal. The invention makes it possible to obtain pressure values of the pressure waves greater than those obtained by conventional physical degassing.
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