Process for the production of a powder coating, apparatus for carrying out the process, and powder formulation for carrying out the process
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United States of America Patent
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Jan 5, 1999
Issued Date -
N/A
app pub date -
May 21, 1997
filing date -
Nov 6, 1992
priority date (Note) -
Expired
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Abstract
The present invention relates to a process for the production of a powder coating, in which a suspension of powder particles is sprayed and the spray jet is directed onto the substrate to be coated, characterized in that 1.) a suspension of powder particles in a liquefied gas is employed, the gas having been liquefied under a pressure of not more than 20 bar, and 2.) the liquid gas is vaporized before, during or after the spraying of the suspension.
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