发明名称 METHOD FOR BENDING TUBULAR ARTICLES WITH A RELATIVE RATIO OF THE BENDING RADIUS AND THE OUTER DIAMETER OF THE FINISHED PIPE WHICH IS LESS THAN 3
摘要 <p>A method for bending a tabular product is provided to bent a product effectively by closing and contacting of two half parts of dies conveniently. A method for bending a tabular product comprises the following steps of: heating a pipe at predetermined temperature for forging the pipe according to a specific composition of a material; arranging a product(1a) to a longitudinal direction within lower die halves(110); closing the die halves to bend the product; opening a die; and taking out the bent pipe.</p>
申请公布号 KR20090067050(A) 申请公布日期 2009.06.24
申请号 KR20080125848 申请日期 2008.12.11
申请人 IBF S.P.A. 发明人 FAINA URBANO
分类号 B21D7/08;B21D7/16 主分类号 B21D7/08
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