发明名称 |
Method for manufacturing an water hammer arrester |
摘要 |
Methods for manufacturing a water hammer arrester having an endurance against pressure of a fluid as well as excellent productivity. There is provided Methods for manufacturing a water hammer arrester comprising steps of: deforming plastically an end of a work piece for a housing to close it by pressing the end toward a center thereof while the work piece is rotated at high speed, the work piece is a brass pipe having predetermined length; forming a housing by cutting a closed part in prescribed thickness; filling up a gas and inserting a piston within the housing to prevent the gas from leaking; forming a connecting part having smaller diameter than the housing by pressing an outside of an open end of the housing provided with poured gas and the piston; and mounting a connector to the connecting part.
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申请公布号 |
US6154961(A) |
申请公布日期 |
2000.12.05 |
申请号 |
US19990312490 |
申请日期 |
1999.05.17 |
申请人 |
AH-U CO., LTD. |
发明人 |
PARK, KWANG-JIN;PARK, CHANG-JOON |
分类号 |
B23P15/00;F16L55/053;(IPC1-7):B23P17/00 |
主分类号 |
B23P15/00 |
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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