F - Mech Eng,Light,Heat,Weapons – 28 – G
Patent
F - Mech Eng,Light,Heat,Weapons
28
G
122/1
F28G 1/16 (2006.01) F28G 3/16 (2006.01)
Patent
CA 1095347
LANCE TUBE CONSTRUCTION ABSTRACT OF THE DISCLOSURE A lance tube for use in long retracting cleaning devices of the soot blower type which in opera- tion discharge jets of liquid against the fouled surfaces of heat exchangers such as the slag-coated surfaces of boiler tubes and the like incorporates a light weight hollow filler tube mounted in the lance tube by a helical spacer rib.
329887
Diamond Power International Inc.
Macrae & Co.
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