发明名称 Gate valve
摘要 A gate valve is provided for granular or other dry materials which reduces the tendency of the valve to clog or jam during closing. The valve includes a slide having an arcuate-shaped forward end and a flared passageway to insure proper closing. The preferred form of the invention is made of durable plastic although other materials may also be employed.
申请公布号 US6325358(B1) 申请公布日期 2001.12.04
申请号 US20000511301 申请日期 2000.02.23
申请人 BOWER JOHN C. 发明人 BOWER JOHN C.
分类号 F16K3/02;(IPC1-7):F16K3/00;F16K1/00;F17D3/00 主分类号 F16K3/02
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