A roll-form roof ridge vent having a plurality of hollow cusps and a reinforced nail line. The cusps space the upper surface of the vent from the underlying roof to provide a path of ventilation therebetween. The reinforced nail line permits the use of standard pneumatic roofing nail guns to...
The air venting line (14) is led outwards off the roof-shaped element (13) in the bin (1) and is joined to the element on the upper roof part and thus close to the seed etc return line (11). Thus, in detail, the return line (11) mouth (12) is below the roof (13) element...
The air venting line (14) is led outwards off the roof-shaped element (13) in the bin (1) and is joined to the element on the upper roof part and thus close to the seed etc return line (11). Thus, in detail, the return line (11) mouth (12) is below the roof (13) element...
US5288269 1993年1月28日 1994年2月22日 Air Vent, Inc. Continuous in-line method of fabricating a variable pitch roof ridge vent assembly and the assembly thereofUS5288269 * Jan 28, 1993 Feb 22, 1994 Air Vent, Inc. Continuous in-line method of fabricating a variable pitch roof ridge vent...
A continuous in-line method of fabricating a variable pitch roof ridge ventilator assembly and the assembly thereof including providing first and second elongate substantially rectangular panels formed into a desired configuration and connecting the panels by roll forming a flexible connecting cap member ...