E - Fixed Constructions – 04 – F
Patent
E - Fixed Constructions
04
F
72/147
E04F 21/16 (2006.01) E04F 21/05 (2006.01) E04G 21/10 (2006.01)
Patent
CA 1149191
ABSTRACT OF THE DISCLOSURE An adjustable screed bar for leveling wet fluid concrete mixtures such as layers of lightweight thermal-insulating concretes cast on rooftops of buildings and the like is described. The device is in the form of a shaft having a screed bar bracket means slidably mounted on one end thereof and a sled runner at the other end. At least two of these devices are attached to a screed bar at spaced apart locations and permit the bar to be pulled or pushed through the wet mixtures at any desired height.
386297
Smart & Biggar
W.r. Grace & Co.,-Conn.
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