B - Operations – Transporting – 05 – B
Patent
B - Operations, Transporting
05
B
222/29
B05B 7/04 (2006.01) B28C 5/02 (2006.01) E04G 21/04 (2006.01) E21D 11/10 (2006.01)
Patent
CA 1338560
For an apparatus for pneumatically discharging a hardening building material, in particular a hydraulic air-placed con- crete or mortar, conveyed hydromechanically in a dense stream, which has at the end of a conveyer pipe or hose that feeds the building material preferably delivered by a pump, a mouth piece whose conveyer pipe has a discharging end preferably designed as a nozzle, an end located opposite and bearing the opening of a compressed air supply pipe, and a pipe opening out between the two ends which introduces the dense stream into the stream of compressed air, activator being added to the building material through at least one supply pipe to activate its hardening, and the discharged stream of building material being directed with a flexible conveyer line portion, the invention provides for the mouth piece (8) with at least one joined portion (3) each of the compressed air supply pipe and the conveyer pipe or hose (2) to be deposited, and the directing line portion (19) to be connected to the discharging end (17) of the mouth piece (8), and for the activator supply pipe (25 to 29), which opens out directly before the blow-out opening (31), to be connected to the free end (22, 23) of the directing line portion (19).
512858
Fetherstonhaugh & Co.
Friedrich Wilh. Schwing Gmbh
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