发明名称 WALL FORM SYSTEM
摘要 A form system based on a group of panels interconnected by junction beams preferably extending downward from the panels to form at least part of waler beam means normally secured to fastenings engaging the concrete. The junction beams have a cross section producing a ridge in the concrete intersected by the securing tie system holding the forms in position.
申请公布号 US3638901(A) 申请公布日期 1972.02.01
申请号 USD3638901 申请日期 1969.03.25
申请人 CHESTER I. WILLIAMS 发明人 CHESTER I. WILLIAMS
分类号 E04G11/28;E04G17/00;E04G17/06;(IPC1-7):E04G11/22 主分类号 E04G11/28
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