Prehung door unit structure
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United States of America Patent
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May 27, 2014
Grant Date -
Apr 4, 2013
app pub date -
Jun 10, 2010
filing date -
Jun 8, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
The subject of the present disclosure is a prehung door unit structure intended to close an opening, more particularly of rectangular shape, made in a stonework construction such as a wall, rising substantially vertically and separating or demarcating two spaces within a building and, more particularly, within a high-security building, including a prehung door unit made up of at least one door leaf mounted so that it can pivot and of a fixed frame intended to be fitted into said opening. Such a structure further comprises a fixed-frame pre-frame that can be mounted in the recess of the opening and constitutes a support for attaching the prehung door unit so that the prehung door unit can be fixed removably into the opening using rigid and removable connecting means.
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