Ventilating means

Details Ventilating means Ventilating means

1985-05-20

1988-10-18

Yost, Frank T.

Tool driving or impacting

Processes

173 18, 173 50, 173 52, 173157, B21J 500

Patent

active

047780142

ABSTRACT:
This invention is a machine for ventilating roof decks which, without such ventilation, entraps moisture which leads to reduced insulating capacity, deterioration and the like. This ventilating device includes a mobile carriage, an extensible lift and an impact head along with associated operating mechanisms.

REFERENCES:
patent: 2562899 (1951-08-01), Finn
patent: 2635855 (1953-04-01), Gunning
patent: 3157070 (1964-11-01), Heidrich
patent: 3163064 (1964-12-01), Blackmon
patent: 3353323 (1967-11-01), Livermore
patent: 4410053 (1983-10-01), Masse

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