发明名称 RIDGE CAP ROOF VENTILATOR APPLIED IN ASSEMBLED, ROLLED FORM AND METHOD OF INSTALLING SAME
摘要 A roof ventilator fabricated from a corrugated plastic sheet material having at least one planar ply and a generally convoluted ply defining a grain comprises a plurality of panels formed from the corrugated plastic sheet material. The plurality of panels are generally stacked and connected to one another to form a vent section, the vent section having a longitudinal axis and being rolled in a direction generally parallel with the longitudinal axis so as to define a generally spiral configuration.
申请公布号 CA2233271(A1) 申请公布日期 1998.09.26
申请号 CA19982233271 申请日期 1998.03.26
申请人 LIBERTY DIVERSIFIED INDUSTRIES, INC. 发明人 STOLL, MARK;KASNER, GARY P.;MORRIS, RICHARD J.
分类号 E04D5/06;E04D13/17;F24F7/02;(IPC1-7):F24F7/02 主分类号 E04D5/06
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