发明名称 |
Method for measuring thread element at end portion of pipe or tube |
摘要 |
The present invention provides a method for automatically measuring a thread element at an end portion of a pipe or tube P after thread processing, on a thread processing line 100 in which thread processing is performed on the end portion of each pipe or tube P which is successively conveyed, comprising: a cleaning step of cleaning the end portion of the pipe or tube by a thread cleaning apparatus 30 after the thread processing; a drying step of drying the end portion of the pipe or tube P cleaned in the cleaning step by a thread drying apparatus 40; and a measuring step of measuring the thread element at the end portion of the pipe or tube P by an automatic thread element measurement 50 after drying, wherein the end portion of the pipe or tube is put under a clean atmosphere at least in the measuring step. |
申请公布号 |
US9267900(B2) |
申请公布日期 |
2016.02.23 |
申请号 |
US201114343903 |
申请日期 |
2011.09.13 |
申请人 |
NIPPON STEEL & SUMITOMO METAL CORPORATION |
发明人 |
Sakai Kenta;Honda Tatsuro;Hiraoka Seiji |
分类号 |
G01N21/00;G01N21/95;G01B11/24;B08B1/00;B08B1/04;B08B3/02;B08B9/02;B08B9/023 |
主分类号 |
G01N21/00 |
代理机构 |
Clark & Brody |
代理人 |
Clark & Brody |
主权项 |
1. A method for automatically measuring a thread element at an end portion of a pipe or tube after thread processing is performed on the end portion of the pipe or tube, on a thread processing line in which thread processing is performed on the end portion of each pipe or tube which is successively conveyed, comprising:
a cleaning step of cleaning the end portion of the pipe or tube after the thread processing is performed on the end portion of the pipe or tube; a drying step of drying the end portion of the pipe or tube after the end portion of the pipe or tube is cleaned in the cleaning step; and a measuring step of measuring the thread element at the end portion of the pipe or tube after the end portion of the pipe or tube is dried in the drying step, wherein the end portion of the pipe or tube is put under a clean atmosphere at least in the measuring step. |
地址 |
Tokyo JP |