Draft plugging device for a chimney flue

Details Draft plugging device for a chimney flue Draft plugging device for a chimney flue

1987-08-03

1988-08-09

Yeung, James C.

Stoves and furnaces

Stovepipe thimbles

Flue stoppers

126120, 138 93, F23J 1308

Patent

active

047621150

ABSTRACT:
A device for plugging a chimney flue when not in use comprises an elongate semi-rigid wand which can be manoeuvered by manual moving of one end so that the opposed end can be inserted into the chimney flue. The opposed end carries an inflatable balloon which can be inflated to grasp the inner surface of the flue by valve arrangement at the lower end.

REFERENCES:
patent: 3038732 (1962-06-01), Scott et al.
patent: 3232207 (1966-02-01), Gibbons
patent: 3592207 (1971-07-01), Borello
patent: 3981317 (1976-09-01), Strulik et al.
patent: 3990464 (1976-11-01), Jenkins
patent: 4015587 (1977-04-01), Wincek
patent: 4029128 (1977-06-01), Yamagishi
patent: 4194494 (1980-03-01), Wagner
patent: 4256130 (1981-03-01), Smith et al.
patent: 4398565 (1983-08-01), Williamson
patent: 4512356 (1985-04-01), Widerby
patent: 4565222 (1986-01-01), Lundman
patent: 4596234 (1986-06-01), Cates
patent: 4649896 (1987-03-01), Formosa
Elastomers Notebook (Dec. 57) p. 571.

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