发明名称 |
Inflatable bladder and valve |
摘要 |
The combination of an inflatable bladder and valve for inflating the bladder for use with a ball cover and selectively insertable through an opening therein wherein the dimensions of the valve are such as to substantially fill the opening in the ball cover and providing a continuous surface therefor and which valve is maintained in its position within the opening by an outwardly extending flange portion which is urged into contact with the inner surface of the cover by action of the bladder as the bladder is expanded.
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申请公布号 |
US4274633(A) |
申请公布日期 |
1981.06.23 |
申请号 |
US19790071151 |
申请日期 |
1979.08.30 |
申请人 |
BENSCHER & SONS PTY. LIMITED |
发明人 |
BENSCHER, HUGO |
分类号 |
A63B41/04;A63B41/08;(IPC1-7):A63B41/04 |
主分类号 |
A63B41/04 |
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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