韩国爱情喜剧专利名称：APPARATUS AND METHOD FOR ENSURING
CONCENTRIC WELD DEPOSITION OF
MATERIAL ON A PIPE INTERIOR
发明人：Derek J. Wolstenholme
申请号：US13351890
申请日：20120117
直到我终于放弃你公开号：US20120111926A1
公开日：
大脑的结构
20120510
专利内容由知识产权出版社提供
赞美菊花的优美句子
专利附图：
电脑电源安装
摘要：A welding jig for ensuring concentricity of an interior surface of a pipe with a circular outer periphery of a bolting flange thereon, comprising (i) a frame member; (ii)
故宫英文two spaced-apart rollers positioned at one end of said frame member, each adapted to remain in contacting engagement during welding with said circular outer periphery of said bolting flange; and (iii) a chill block, having a convexly-curved outer surface of a curvature corresponding to a desired inner diameter of said pipe, adapted to be positioned proximate said interior surface of said pipe. The rollers permit translational movement of the chill block about a center point of said pipe flange when the welding jig is placed on the pipe flange, to permit uniform diametrical deposition of weld material on said inner diameter of said pipe flange. A method of making a pipe is further disclod and claimed.眼病有哪些
申请人：Derek J. Wolstenholme
地址：Calgary CA
做梦杀人了国籍：CA
更多信息请下载全文后查看
