B - Operations – Transporting – 24 – C
Patent
B - Operations, Transporting
24
C
B24C 3/12 (2006.01) B24C 3/32 (2006.01) B24C 5/00 (2006.01)
Patent
CA 2556030
The present invention provides a blasting apparatus for an outer surface of a pipe which ejects a blast material to an outer side of a pipe and grinds the outer surface, comprising: a blast head containing a nozzle which ejects the blast material and a suction port which sucks a blast material used for grinding and dust particles; a guide member which is provided along a longitudinal direction of the outer surface of the pipe, and guides the blast head along the longitudinal direction of the outer surface of the pipe; and a ring member which is a ring member constructed by connecting at least two half split members and having an inside diameter larger than an outside diameter of the pipe, and which is disposed to have the pipe inserted through the ring member, holds the guide member, and guides the blast head in a circumferential direction of the outer surface of the pipe by turning in the circumferential direction on the outer surface of the pipe.
La présente invention concerne un projecteur de particules pour la paroi extérieure d'un tube; le projecteur projette des particules de matériau sur la paroi extérieure d'un tuyau et rectifier la surface extérieure. Il comprend une tête de projection qui comporte une buse qui projette les particules de matériau, ainsi qu'une lumière d'aspiration qui aspire le matériau servant à la rectification de la paroi extérieure du tuyau et guide la tête de projection le long de l'axe longitudinal de la paroi extérieure dudit tuyau; un anneau construit par le raccordement de deux moitiés séparées, et dont le diamètre intérieur est plus grand que le diamètre extérieur du tuyau, et qui est placé de façon à insérer le tuyau dans l'anneau, maintien l'élément de guidage et guide ainsi la tête de projection dans une direction circulaire par rapport à la paroi extérieure du tuyau en tournant de manière circulaire sur la paroi extérieure du tuyau.
Shimizu Tokuo
Yano Tetsunori
Hitachi Plant Technologies Ltd.
Robic
LandOfFree
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