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Patents

Method of Coating Inner

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By: KERRY PIANOFORTE

Editor, Coatings World, Coatings World

Patent No. U.S. 6,352,740 B1
Rhein-Metall W&M GmbH,
Unterlüss, Germany, has been awarded
a patent for a method of coating an inner
face of a weapon barrel. The patent comprises
the following steps: introducing
the coating material in sheet or foil form
into the barrel; positioning the component
in the weapon barrel so that a first
face of the component is oriented toward
the inner face of the barrel and a second
face of the component is oriented away
from the inner face of the barrel; using
spacers to maintain an equidistant
annular clearance between the inner
face of the barrel and the component;
providing the second face of the component
with an explosive; and detonating
the explosive for hurling the coating
material of the component against the
inner face of the barrel for effecting a
cold welding between the coating material
and the inner face of the barrel.

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