Original document(7 pages) Authorized document(7 pages) 中文版
    A seamless conic sleeve tube for the exhibition frame is made up of seamless steel tube through burring, chamfering and die punching, and features its chamfers at both ends and a certain taper. Its advantages include no welded seam, high rigidity and toughness, and high productivity.
Application Number
申请号		 01107558 Application Date
申请日		 2001.02.22
Title 名称 Seamless conic sleeve tube for show frame and its manufacture method
Publication Number
公开号		 1305766 Publication Date
公开日		 2001.08.01
Approval Pub. Date Granted Pub. Date 2004.11.17
International Classification 分类号 A47F5/14
Applicant(s) Name
申请人		 Lu Shenquan
Address 地址 528100
Inventor(s) Name 发明人
Attorney & Agent 代理人 zhang wenxiong
More information 更  多  信  息


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