Door, in particular vertical-lift door, for closing an opening in a wall which separates two different temperature zones from one another
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United States of America Patent
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Oct 31, 2017
Issued Date -
N/A
app pub date -
Aug 18, 2015
filing date -
Aug 21, 2014
priority date (Note) -
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Abstract
A door, in particular vertical-lift door, for closing an opening in a wall, in particular in a wall which separates two different temperature zones from one another, having a movable, flexible door leaf which comprises multiple separate, flexible door leaf layers which are guided such that they are spaced apart from one another in the closed state of the door, and having at least one winding shaft onto which the door leaf can be wound up in order to open the door, in which two adjacent door leaf layers are connected to one another by at least one spacer which ensures a spacing, defined by the spacer, of the two door leaf layers at least in the region of the spacer in the closed state of the door.
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