1989-07-31
1990-10-16
Joyce, Harold
F24F 702
Patent
active
049626922
ABSTRACT:
A roof ridge vent of a unitary plastic construction formed in a twin sheet process by separately thermoforming upper and lower sheets and then bringing the sheets together to selectively fuse them at their interfaces. The completed roof vent includes a central longitudinal hinge portion adapted to overlie the ridge of the roof and left and right longitudinal vent portions joined integrally to the central hinge portion along their respective inboard edges and positioned at either side of the hinge portion. The vent portions are configured to define a plurality of parallel transverse passages in each vent portion extending from the outboard edge of the vent portion to a location proximate the hinge portion with each passage closed at its lower face in the outboard section of the passage and open at its lower face in the inboard section of the passage for communication with an opening provided along the ridge of the roof to provide ventilation for the space beneath the roof.
REFERENCES:
patent: 334651 (1886-01-01), Forderer
patent: 3236170 (1966-02-01), Meyer et al.
patent: 3949657 (1976-04-01), Sells
patent: 4817506 (1989-04-01), Cashman
Leigh Universal Ridge Vent Bulletin 6707-L.
Four Photographs of a Roof Ridge Vent Manufactured by Ridgeline Corporation, Detroit, Michigan.
Installation Instructions for Ridgeline Roof Vent.
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