发明名称 ABOVE-DECK ROOF VENTING ARTICLE
摘要 <p>A roofing article having a body, a first channel defined within an upper portion of said body having an inlet through which outside air can enter the first channel, and a second channel defined in a lower portion of said body. A sheet separates the second channel from the first channel. The second channel is operably connected to the first channel through an orifice in the sheet such that the outside air can enter the second channel through the orifice.</p>
申请公布号 EP2614191(A4) 申请公布日期 2014.06.25
申请号 EP20110824056 申请日期 2011.09.07
申请人 3M INNOVATIVE PROPERTIES COMPANY 发明人 EDWARDS, JOHN S.;KLINK, FRANK W.
分类号 E04D13/17;E04D1/24;E04D1/28;F24F7/02 主分类号 E04D13/17
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