专利检索 ap:("WALTER DICKINSON" OR "WILFRED J M HAINES") AND inv:"DICKINSON WALTER" 第 1 页

1.

发明授权
Manufacture of structural members 失效
标题翻译：结构构件的制造

公开(公告)号：US3583046A

公开(公告)日：1971-06-08

申请号：US3583046D

申请日：1968-11-07

申请人： WALTER DICKINSON , WILFRED J M HAINES

发明人： DICKINSON WALTER , HAINES WILFRED J M

IPC分类号： B28B1/08 , B28B23/18 , B28B7/00

CPC分类号： B28B1/084 , B28B23/18

摘要： MEANS FOR PRODUCING HOLLOW STRUCTURAL ELEMENT WHICH INCLUDES POSITIONING A STRIP OF NON-STRUCTURAL SHEET MATERIAL ON STRESSED WIRES ABOVE A CORE OR CORES WHICH ARE DRAWN THROUGH SETTABLE MATERIAL SUCH AS CONCRETE, PREVIOUSLY FED INTO A MOULD, THE STRESSED WIRES AND STRIP OF SHEET MATERIAL SUPPORTING THE UPPER WALL OF THE SETTABLE MATERIAL WHILST IT IS SETTING.