发明名称 APPARATUS AND METHOD FOR SEALING A VERTICAL PROTRUSION ON A ROOF
摘要 A device forms a radial flange on a bottom opening of a conate member having a longitudinal axis. The device has a die for receiving the conate member with the bottom opening extending from an open end of the die, a seal-forming cone having at least two radially-extendable sections and being removably located in the open end of the die, inside the conate member, and a handle, axially movable in the cone to extend the movable sections.
申请公布号 US2008085336(A1) 申请公布日期 2008.04.10
申请号 US20070940560 申请日期 2007.11.15
申请人 发明人 MAYLE STEVEN R.
分类号 B29C33/48 主分类号 B29C33/48
代理机构 代理人
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