E - Fixed Constructions – 06 – B
Patent
E - Fixed Constructions
06
B
108/52
E06B 9/04 (2006.01)
Patent
CA 1115131
ABSTRACT OF THE DISCLOSURE The system includes a plurality of heat insulating shutter sections which are mounted for movement along a guide track in manner which permits the sections to be pivoted from a vertical position, wherein air seals between the sections are engaged, to a second, inclined position, wherein the seals are disengaged to permit movement of the sections between the open and closed positions.
281999
Fetherstonhaugh & Co.
Tekram Associates
LandOfFree
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