Multiple walled chimney

Details Multiple walled chimney Multiple walled chimney

E - Fixed Constructions

04

F

20/103, 126/87

E04F 17/02 (2006.01) F16L 59/21 (2006.01)

Patent

CA 2004045

A multiple walled metal chimney formed of a plurality of axially joined chimney sections each of which utilizes positionally captured spacer rings. Joint clamps are used to connect the chimney sections for formation of the complete chimney conduit. The spacer rings are positionally captured between annular shoulders formed in the inner and outer walls of the chimney sections to eliminate welding of the rings. The rings may include an expansion joint to allow circumferential expansion and contraction of the ring with the walls.

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