METHOD FOR MANUFACTURING SEALING DISKS
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United States of America Patent
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app pub date -
Jan 25, 2011
filing date -
Mar 19, 2010
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Abandoned
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Abstract
Sealing disks (44) for producing peel-off lids comprising lid rings having a peel-off foil sealed onto the lid ring are produced in that an annular sealing part made of steel (54) is fastened on a main plate (53) made of copper, for example by electron-beam welding, whereupon the sealing part is hardened by laser hardening. In this way, a sealing disk having good thermal conductivity and high wear resistance can be favorably produced.
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