Chimney lining slip form

Details Chimney lining slip form Chimney lining slip form

1986-09-08

1988-03-01

Goldberg, Howard N.

Plastic article or earthenware shaping or treating: apparatus

Shaping member for traversing the interior surface of hollow...

295271, 425110, 425262, B05C 1708, B05C 1706, B28B 129

Patent

active

047282800

ABSTRACT:
An apparatus for lining chimney pipes and the like with cementitious material, and particularly to the improvement in pipe lining apparatus including a conically shaped leading nose providing control switches activated by a nose cap freely positioned thereover, and a gradually rearwardly tapered hollow sectional trailing spreader body adjusted to be circumferentially enlarged by additional expansion panels connected between the separable sections of the spreader body, and a vibrator within the body to exert vibrative force on the body sections to set the cementitious material deposited externally of the apparatus between it and the chimney pipe to be lined thereby.

REFERENCES:
patent: 126100 (1872-04-01), Stephens
patent: 2555377 (1951-06-01), Scott
patent: 2711000 (1955-06-01), Matheny
patent: 3096556 (1963-07-01), Woods

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