Closure element for a vacuum seal having a friction stir welding connection
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United States of America Patent
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Dec 29, 2020
Grant Date -
Apr 6, 2017
app pub date -
Sep 30, 2016
filing date -
Oct 2, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
Closure element for a vacuum valve having a valve disk realized for the gas-tight closure of a process volume by means of interaction with a vacuum valve opening of the vacuum valve provided for the process volume, wherein the valve disk comprises a closure side and an oppositely situated rear side which is substantially parallel thereto and a first sealing face which is assigned to the closure side and corresponds to a second sealing face of the vacuum valve opening, in particular with regard to form and size, with cured-on sealing material, wherein the second sealing face runs around the vacuum valve opening, and a cross carrier with a receiving means for a drive component transversely with respect to an extension direction of the cross carrier, wherein the cross carrier is connected to the valve disk on the rear side of the valve disk at at least one connection point. The connection of the cross carrier to the valve disk comprises a friction stir welding connection at the at least one connection point.
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