发明名称 |
Pressure-reducing valve and a controller for a blow-molding machine and method thereof |
摘要 |
The invention is a pressure reducing valve for reducing the pressure supplied to a head tooling hydraulic positioning valve and a controller for bypassing the pressure reducing valve in a blow-molding machine. A pressure-reducing valve and electrical controller are used to regulate the pressure of a cylinder that controls the position of a head tooling pin and die assembly in a blow-molding machine. The invention reduces pressure during all time intervals except during a "parison formation" interval of the cycle. The invention is also a process for regulating the pressure of a cylinder that controls the position of a head tooling pin and die assembly in a blow-molding machine and for bypassing the pressure reducing valve in a blow-molding machine.
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申请公布号 |
US2004173924(A1) |
申请公布日期 |
2004.09.09 |
申请号 |
US20030377692 |
申请日期 |
2003.03.04 |
申请人 |
D'ANGELO RUSSELL PHILLIP |
发明人 |
D'ANGELO RUSSELL PHILLIP |
分类号 |
B29C47/22;B29C47/92;B29C49/04;B29C49/78;(IPC1-7):B29C49/78 |
主分类号 |
B29C47/22 |
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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