Scale of a fire comprising portions of scale that can be developed by sliding

摘要

A.echelle of a fire, with parts of scale that can be developed by sliding. / p & & p & b.echelle characterized in that it is made as a sole 8 a lower profile t 11, and has flanges uneven offset of 90, the base 12 of this profile comprising a ridge of the winding 13 directed towards the top, its upper flange 14 comprising a ridge of the winding 16 directed toward the inside, and its wing, the shorter 15 comprising a bent at 90 17, the part of this profile mounted between the two ridges 13, 14 being used as a rolling or sliding in a profile of the sole lower parts of scale place by - above and whose profile is identical. / p & & p & c.l' invention relates to a scale of a fire, with parts of scale that can be developed by sliding.