发明名称 |
SCENE CONNECTING APPARATUS OF HARD HEAD RAIL |
摘要 |
A method of field welding head-hardened rails which includes the steps of gas pressure welding the rails, shearing off excess metal therefrom at the welded portion with a portable welder device, subjecting the railhead of the pressure welded portion of the rails to a subsequent heat treatment with a gas heater device, setting a width of the pressure welded portion to be heated at the time of the subsequent heat treatment with a pair of jigs, and cooling the portion which has undergone the subsequent heat treatment with an air blowing type cooler. |
申请公布号 |
JPS59106603(A) |
申请公布日期 |
1984.06.20 |
申请号 |
JP19820214418 |
申请日期 |
1982.12.07 |
申请人 |
NIPPON KOKUYU TETSUDO;HAKUSAN SEISAKUSHO:KK;KIYUUSHIYUU TETSUDOU KIKI SEIZOU KK |
发明人 |
OOISHIBASHI KOUJI;KAMIYAMA KATSUYOSHI;OOHARA MUNEYUKI;NAKAMURA MITSUO;AICHI TAKEO;SASAKI HIDE |
分类号 |
E01B29/42;B23K20/00;B23K101/26;E01B11/50 |
主分类号 |
E01B29/42 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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