ASHVINIKUMAR VISHNUKUMAR MUDALIAR,GEORGIOS TETRADIS-MAIRIS,RENÉ JOACHIM BUTER
申请号：
BR112015006098
公开号：
BR112015006098A2
申请日:
2013.08.28
申请国别(地区):
BR
年份:
2017
代理人:
摘要：
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.
