Method of producing a weapon barrel having a wear-resistant inner coating
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United States of America Patent
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Dec 19, 1995
Grant Date -
N/A
app pub date -
Oct 17, 1994
filing date -
Oct 15, 1993
priority date (Note) -
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Abstract
A method of producing a weapon barrel (1) having a wear-resistant inner coating (10) applied by an electrolytic method. To enable the application of a relatively thick protective layer to the inner wall or surface of a large-caliber weapon barrel (1), in particular, in the regions of thermally high stress and in a simple manner, a weapon barrel (1) prefabricated true to caliber is provided, a recess (7) is formed in the region of the chamber (2) and of the adjoining caliber region (3) to be coated with the protective layer (10) by electrochemical stripping (electrolytic polishing), and the recess (7) is subsequently refilled electrolytically with the protective layer (10). The same center electrode (4, 12) preferably is used for the electrolytic polishing process and for the electrolytic process for applying (plating) the protective coating or layer (10).
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