Plastic roof vent and method of making

Details Plastic roof vent and method of making Plastic roof vent and method of making

1994-07-26

1996-07-16

Smith, Creighton

Static structures (e.g., buildings)

Enclosure or cover, with supplemental fluid-guiding port...

Attic vent

523021, 454365, E04D 1317

Patent

active

055355587

ABSTRACT:
The plastic roof vent including a longitudinally extending thinner portion is provided adjacent the vanes and a foraminous strip is bonded as by heat bonding or ultrasonic welding to the roof vent. In accordance with the method and apparatus, the plastic roof vent is bent along the thinner hinge line to provide access for placing of the strip of porous material and for bonding the strip to the plastic roof vent.

REFERENCES:
patent: 4924761 (1990-05-01), MacLeod
patent: 5009149 (1991-04-01), MacLeod
patent: 5174076 (1991-12-01), Schiedegger

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