Spray nozzle and method of cleaning same
申请(专利)号：
US52946455A
申请日期：
08/19/1955
公开/公告号：
US2803499
公开/公告日期：
08/20/1957
申请(专利权)人：
LODDING ENGINEERING CORP
被引量：
摘要：
1. In combination with a spray pipe, a spray'nozzle projecting through the wall of said pipe, said spray nozzle comprising a tubular body secured. near its outer end to the wall of the pipe, said body being open at its inner end and closed at its outer end except for a central bore of reduced diameter, a piston slidably fitted in said tubular body, said piston having a tubular piston rod open at both ends and slidably fitted in said central bore of reduced diameter a bracket projecting from the outer end of said body, said bracket including a shelf extending across the axis of said rod and engageable by the outer end of the rod, and a spring pressing said piston toward the inner end of said body.
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