| 摘要 |
PROBLEM TO BE SOLVED: To provide a suction nozzle for preventing an object to be packed into a dust pack from clinging to the suction hole of the nozzle and preventing the suction of the air even when the object is separated into small pieces or easily sucked, such as chips or wastepaper from a shredder or a vinyl sheet for curing to be abandoned in a construction site, etc. SOLUTION: The suction nozzle includes: a center pipe arranged at the center; and a plurality of outer peripheral pipes for enclosing the circumference of the center pipe in an axial direction being the same as that of the center pipe. Air suction holes are opened on the side surface of the center pipe arranged at the center and the air suction holes are opened inward on the side surfaces of the plurality of outer peripheral pipes enclosing the circumference of the center pipe. COPYRIGHT: (C)2007,JPO&INPIT
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