B - Operations – Transporting – 08 – B
Patent
B - Operations, Transporting
08
B
15/12
B08B 9/04 (2006.01) F28G 1/12 (2006.01) F28G 7/00 (2006.01) B08B 9/06 (1990.01)
Patent
CA 1310799
ABSTRACT A projectile launcher is disclosed and claimed adapted for use in apparatus for cleaning tubes arranged in an array such as with heat exchanger tube bundles, the apparatus being of the type whereby a projectile (1) is placed in a tube (10) to be cleaned and then subjected to a sudden cleaning medium pressure impact to force the projectile (1) through the tube (10) at high speed, the launcher for such projectiles having a barrel (3) that is aligned with the tube to be cleaned, a magazine (2) for feeding serially projectiles (1) into the barrel (3), a duct (4) for supplying cleaning medium being movable through the barrel (3) to push a projectile (1) into the tubs (11) to be cleaned, and means for supplying a pulse of cleaning medium along the aforesaid duct (4) once a projectile is positioned in the tube to be cleaned, the barrel (3) and the cleaning medium duct (4) being selectably removable from the launcher to be replaced with similar barrels and cleaning diameters without loss of any operating fluids from the launcher.
595557
Barry Bros. Specialised Services Pty. Ltd.
Bereskin & Parr
Vowles Robert W.
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