发明授权
- 专利标题： Vacuum spray head
- 专利标题（中）： 真空喷头
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申请号： US527256申请日： 1983-08-29
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公开(公告)号： US4521935A公开(公告)日： 1985-06-11
- 发明人: Charles R. Johnston , Gregory M. Green
- 申请人： Charles R. Johnston , Gregory M. Green
- 申请人地址： NC Wilmington
- 专利权人： Container Products Corp.
- 当前专利权人： Container Products Corp.
- 当前专利权人地址： NC Wilmington
- 主分类号： A47L11/34
- IPC分类号： A47L11/34 ; E01H1/10
摘要：
A combination vacuum and spray head for a pressurized cleaning apparatus adapted especially for use upon open grating. The structure includes a vacuum head housing, a shielded spray head that provides a plurality of downwardly, diagonally directed spray nozzles for directing a stream of fluid against the opposite sides of parallelly extending grate slats.
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