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公开(公告)号：US20190383019A1
公开(公告)日：2019-12-19
申请号：US16437882
申请日：2019-06-11
Applicant: Watts Regulator Co.
Inventor： Roy Hetzler , Gary Anthony Hodge
IPC: E04D13/04
Abstract: An adjustable roof drain for flat and low pitch roofs includes a basin portion and a telescoping basin extension portion. A compression gasket provides a seal between the basin portion and the telescoping basin extension portions of the roof drain. The shape of the compression gasket causes it to be pushed inwardly when compressed so that it seals against the telescoping extension portion to both seal the extension portion and lock it at a selected height.
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