Method for thermochemically treating a part while masking a portion and corresponding mask
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United States of America Patent
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Feb 13, 2018
Issued Date -
N/A
app pub date -
Oct 31, 2013
filing date -
Nov 7, 2012
priority date (Note) -
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Abstract
A method for thermochemically treating a part while masking a portion and corresponding mask are provided. The method includes the steps of providing a mask comprising a body with a seat, at least a deformable sealing washer located in the seat, and a tightening bushing, the body having a cavity, placing a first portion of the part in the cavity, a second portion of the part being located in a passage in the sealing washer, and a third portion of the part being located outside the mask, moving the tightening bushing to its tightened position so that the sealing washer is deformed and applied against the second portion of the part, and applying a thermochemical treatment to the third portion of the part.
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