Apparatus for the production of frozen confections
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United States of America Patent
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Dec 27, 2016
Grant Date -
Sep 3, 2015
app pub date -
Aug 28, 2013
filing date -
Sep 28, 2012
priority date (Note) -
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Abstract
A roller having a multiplicity of open moulding cavities on its surface, the roller being hollow with its cavity being partially filled with liquid nitrogen, characterized in that: A vacuum insulation compartment is located on each side of the roller. The vacuum insulation compartment, in radial cross section, presenting an outside generally plane and circular wall in the form of an annular disc, joint to a roller side wall by two portions having: a general sigmoid cross section for the portion at the peripheral part of the vacuum panel; a general sigmoid cross section for the portion at the central part of the vacuum panel.
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