发明名称 RETRACTABLE SCREEN SYSTEM AND IMPROVEMENTS THEREFOR
摘要 A continuous roll of screen which may be payed out from said roll by an installer or manufacturer to a required predetermined window size, or alternatively patio door size, said screen comprising a free end which allow s the installer to pay the screen off of the roll upon which the screen is accumul atedcourse upon course, one end of said screen being dis posed at the end of the courses accumulated on the roll from which the screening is payed off and th e other end being a free end, said screen having side edges and preferably bei ng manufactured from preferably vinyl-coated fiberglass, the edges of said scre en having affixed thereto a generally preferably T-shaped key manufactured from a flexible material, for example polyvinyl chloride, which is affixed preferab ly by radio frequency welding (or RF welding) with the edges and preferably each o f the edges, and in one embodiment at least one edge of said screen, wherein t he vinyl coating provided on the screen melds with the polyvinyl chloride key t o form a resilient anchor for the screen device within any screen roller assem bly.
申请公布号 CA2231298(C) 申请公布日期 2002.01.08
申请号 CA19982231298 申请日期 1998.03.05
申请人 420820 ONTARIO LIMITED 发明人 KUPENTHIRARAJAN, SINNATHAMBY;DAVIES, SEAN;DAVIES, JOHN ROBERT
分类号 E06B9/54;(IPC1-7):E06B9/54;E06B9/56 主分类号 E06B9/54
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