发明名称 Vent pipe covering system
摘要 A vent pipe covering system for efficiently forming a seal between a vent pipe structure and a supporting structure. The vent pipe covering system generally includes a base, a body extending from the base and a coupler extending from the body opposite the base. The base includes a first opening and the body includes a passageway, wherein the passageway longitudinally extends through the body and interconnects with the first opening. The coupler includes a retaining cavity to extend over an outermost end of a pipe extending through the passageway and the first opening, wherein the body and passageway may expand and retract to accommodate various length pipes via an expandable portion of the body.
申请公布号 US7775005(B2) 申请公布日期 2010.08.17
申请号 US20070877759 申请日期 2007.10.24
申请人 JOHNSTON LORNE G;BAREHAM MONA A 发明人 JOHNSTON LORNE G.;BAREHAM MONA A.
分类号 E04D13/14;E04B7/00;E04H12/28 主分类号 E04D13/14
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