Pressurized drive shaft seal for dispensing systems and a method for using the same
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United States of America Patent
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Sep 19, 2017
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N/A
app pub date -
Jan 27, 2015
filing date -
Feb 24, 2014
priority date (Note) -
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Abstract
A seal assembly including at least one conduit configured to allow a medium to flow therethrough, an annular retaining means operably coupled to the conduit, and an annular resilient seal member disposed in the annular retaining means. A method of sealing a dispensing system containing a food product creating a food product pressure, wherein the dispensing systems includes a drive shaft operably coupled to a seal assembly, the seal assembly including an annular resilient seal member disposed in an annular retaining member, the annular retaining member being operably coupled to at least one conduit, the method including the steps of: dispensing a medium through the at least one conduit to enter the annular resilient seal member to create a seal pressure greater than or equal to the food product pressure.
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