发明名称 ROOFING COMPOSITION
摘要 A split-flashing composition for covering a protrusion from a roof, the composition having a flange portion adapted for sealing to a roof surface, the flange portion being substantially planar and having an in-plane spiral shape that describes a closed-loop opening for receiving the protrusion; the flange portion having first and second flange end portions that are connected to each other in-plane and i an off-set manner; a collar portion fixably attached to the flange portion; a closed-loop collar-portion construction having a substantially curved wall section and a substantially planar wall section that are connected to each other and together define an internal volume of space, wherein the substantially curved wall section spirals outwardly from a first substantially curved wall section edge portion to a second substantially curved wall section edge portion; the collar portion having a substantially conical shape.
申请公布号 CA2818861(A1) 申请公布日期 2012.06.07
申请号 CA20112818861 申请日期 2011.11.16
申请人 SEAMAN CORPORATION 发明人 BEALL, JERRY
分类号 E04D13/14 主分类号 E04D13/14
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