HYGIENIC SEAL SYSTEM
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United States of America Patent
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Issued Date -
May 7, 2015
app pub date -
Jun 13, 2013
filing date -
Jun 14, 2012
priority date (Note) -
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Abstract
A modular mechanical seal assembly for use in hygienic and aseptic application having few, if any, cavities in which bacteria and pathogens could grow, includes a longitudinally floating first seal face member, a longitudinally static second seal face member, a biasing device for urging the first seal face member to contact with the second seal face member, a longitudinally static shaft location member, a first sealing member and a second sealing member. The second sealing member is formed as an elastomeric member positioned between the static seal face and the equipment housing and the first sealing member is formed as an elastomeric member and positioned between an item of rotating equipment and the shaft location member, in which the elastomeric members substantially seal off at least one cavity of the seal assembly.
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