发明名称 |
Internal expansion waterbed fitting |
摘要 |
A waterbed filling unit has an outer sleeve which can be inserted into a waterbed filler neck and also coupled to a water supply or drain. An inner sleeve may be pressed into the outer sleeve to create watertight seals between the water supply or drain and the filler neck.
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申请公布号 |
US4673010(A) |
申请公布日期 |
1987.06.16 |
申请号 |
US19850742991 |
申请日期 |
1985.06.10 |
申请人 |
PRUFER, MAX H.;PRUFER, JAMES M. |
发明人 |
PRUFER, MAX H.;PRUFER, JAMES M. |
分类号 |
A47C27/08;(IPC1-7):A47C27/08 |
主分类号 |
A47C27/08 |
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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