F - Mech Eng,Light,Heat,Weapons – 23 – J
Patent
F - Mech Eng,Light,Heat,Weapons
23
J
15/12.4
F23J 3/00 (2006.01) F23J 3/02 (2006.01)
Patent
CA 1333320
A brush for cleaning a chimney flue is formed from a central hub outwardly from which extends a plural- ity of plastics strips manufactured from strapping tape having a width of the order of 1/2 inch and a thickness of the order of .030 inch. The device is manufactured from a plurality of separate units each formed with six outwardly extending strips or blades and a central hub with all of the units stacked on a bolt and prevented from rotation each relative to the next. A natural curv- ature of the strips tends to form a device into a cone shape so they can be readily pressed into a chimney flue from the lower end with the flexibility of the strapping tape enabling the unit to be compressed and passed around obstructions such as the flue damper.
587375
Battison Williams Dupuis
Drobot Alan Johnny
LandOfFree
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