发明名称 GUTTER PUNCH
摘要 <p>A gutter punch device is positioned over the water collecting opening of the gutter and is adapted to punch the front and rear sheet metal portions of the gutter. The punched holes are made prior to the hanging of the gutter and are used to receive the gutter fastener for securing the gutter to the fascia board of the structure. The gutter punch can be a double throw or single throw device and enables perfect alignment of the front and rear mounting holes for gutters in an easily reproducible manner.</p>
申请公布号 AU2003226210(A1) 申请公布日期 2003.10.13
申请号 AU20030226210 申请日期 2003.03.27
申请人 WILLERT, WAYNE, A. 发明人 WAYNE, A. WILLERT
分类号 B21D28/00;B21D28/24;E04D13/072;(IPC1-7):B21D31/02 主分类号 B21D28/00
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