Ventilation device

Details Ventilation device Ventilation device

1989-11-03

1990-09-18

Joyce, Harold

E06B 702

Patent

active

049570382

ABSTRACT:
A ventilator device (9A) is provided at the side frame (36, 37) of a door (35), especially at the top door standard (37), and comprises a box structure (42) defining a through-conduit for ventilating air, and closed at this ends e.g. by caps (15). The box structure is preferably of L-shaped cross-section so providing an abutment surface (43) for the door. An air-flow control (21, 22) can be provided.

REFERENCES:
patent: 3094058 (1963-06-01), O'Brien, Jr. et al.

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