发明名称 MOLD FOR MANHOLE SIDE BLOCK MADE OF RESIN CONCRETE
摘要 PROBLEM TO BE SOLVED: To provide a mold for a manhole side block made of resin concrete in which assembly and mold release work are performed easily and surely. SOLUTION: The mold for the manhole side block made of resin concrete is constituted of a pedestal 9, a cylindrical outer mold 10 which is installed on the pedestal 9 and divided into a left-side outer mold piece 10A and a right- side outer mold piece 10B, a cylindrical inner mold 11 which is installed in the inside of the outer mold 10 on the pedestal 9 by keeping an interval from the outer mold 10 in a concentric circular shape and provided with a slit 11A formed in the axial direction, a couple of assembly and mold release means 12 which are provided between each of the left-side outer mold piece 10A and the right-side outer mold piece 10B and the pedestal 9 and perform assembly and mold release of the left-side outer mold piece 10A and the right-side outer mold piece 10B and an expansion and contraction means which is provided in the inside of the inner mold 11 and expands and contracts the diameter of the inner mold 11.
申请公布号 JP2000102916(A) 申请公布日期 2000.04.11
申请号 JP19980274429 申请日期 1998.09.29
申请人 NISHII SEISAKUSHO:KK;NIPPON RYOSUIKI KOGYO KK 发明人 NISHII KIYOUSHIRO;SAWARA AKINOBU
分类号 B28B7/10;B28B7/30;(IPC1-7):B28B7/30 主分类号 B28B7/10
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