Pipe spacer

Details Pipe spacer Pipe spacer

1985-05-20

1986-08-26

Marcus, Stephen

Pipes and tubular conduits

Distinct layers

Spaced

98 60, 138149, F16L 902

Patent

active

046076654

ABSTRACT:
A mechanical spacer for holding an inner pipe fixed in place within an encasing outer pipe in a multiple wall pipe assembly. The spacer functions in place of a bracket in a double wall-chimney pipe assembly. The unitary spacer requires no external hardware nor requires welding, screwing, riveting or the like step in the manufacturing or assembly of the pipe assembly.

REFERENCES:
patent: 2875987 (1959-03-01), La Valley
patent: 2962053 (1960-11-01), Epstein
patent: 3110324 (1963-11-01), De Haan
patent: 3467143 (1969-09-01), Croft
patent: 4448219 (1984-05-01), van Hatten
patent: 4456058 (1984-06-01), Powell
patent: 4573400 (1986-03-01), Foy

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