Dispensing means for sapling control substance with a land...

Details Dispensing means for sapling control substance with a land... Dispensing means for sapling control substance with a land...

B - Operations, Transporting

27

B

143/28, 222/63

B27B 5/02 (2006.01) B05B 11/00 (2006.01)

Patent

CA 1131546

ABSTRACT In connection with a land clearing saw, a sapling control substance dispensing means comprising a container for the sapling control substance, a control substance nozzle and a control substance duct leading from the container to the nozzle, this duct incorporating a manually operable valve (1) comprising a piston (4) provided with return spring (11) and a cylinder (5), with ports for the control substance entry duct (6) and exit duct (7), these ducts being provided with check valves (8,18). Within the piston has been installed an auxiliary piston (14) loaded with a spring (16) and which as the piston (4) is being moved opens or closes a needle valve (9) associated with the exit duct port.

367707

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