F - Mech Eng,Light,Heat,Weapons – 24 – F
Patent
F - Mech Eng,Light,Heat,Weapons
24
F
98/53
F24F 13/08 (2006.01) F24F 13/14 (2006.01)
Patent
CA 1170102
SHUTTER FOR VENTILATION SYSTEMS ABSTRACT OF THE DISCLOSURE A pivoted louver type shutter for ventilation systems with flaps made from a hollow section fitted in a frame and capable of twisting and with lateral seals between the flaps and the frame, the seals being made from foam sheet and the hollow section of the flaps being pressed directly with its front edges into the foam sheet.
356665
Fetherstonhaugh & Co.
Siegwart Emil
LandOfFree
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