Fire protection flap
In order to make a device available to the sealing of a gap in the case of fire, which is extremely effective with simple means providable, but, is suggested, this training by at least a flap element tiltable stored around an axle (5), which by a destroyable retaining element at least partial in the case of fire (7) against a closing force in a Offenstellung is held
Patents:DE 2,314,356
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