Method of making a rolled roof vent
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United States of America Patent
Stats
-
May 11, 1999
Issued Date -
N/A
app pub date -
May 2, 1997
filing date -
Dec 16, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An improved roll-form vent for buildings comprises a sequentially thermoformed polymeric vent which provides multiple venting air flow paths between the interior of a building and ambient atmosphere. The vent includes projections extending from a web and a plurality of vent openings that cooperate with screening to bar entry into the building of water, insects and foreign matter. A method of making the vent includes steps of providing a web of material of indeterminate running length, heating the web, sequentially thermoforming the web, cooling the web and rolling the formed vent for storage, shipment and use.
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Cited Art Landscape
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