发明名称 |
SIDE FRAME AND BOLSTER FOR A RAILWAY TRUCK AND METHOD FOR MANUFACTURING SAME |
摘要 |
A method of manufacturing a bolster of a rail car that includes a pair of shoe pockets at respective ends configured to be inserted into bolster openings of respective side frames includes providing a bolster pattern for forming a drag portion and cope portion of a mold. Cores that define an interior region of a cast bolster are also provided. The bolster pattern and the cores are configured to constrain shoe pocket angles within about +-.5°. |
申请公布号 |
CA2803967(A1) |
申请公布日期 |
2012.11.22 |
申请号 |
CA20122803967 |
申请日期 |
2012.05.15 |
申请人 |
NEVIS INDUSTRIES LLC |
发明人 |
GOTLUND, ERIK;MAKARY, VAUGHN;SALAMASICK, NICK |
分类号 |
B22C9/02;B22C9/10;B61F1/00 |
主分类号 |
B22C9/02 |
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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