发明名称 |
Apparatus for guiding web-like material |
摘要 |
An apparatus for guiding web-like materials is provided with a hollow suction box having a surface for making a contact with a continuously running web-like material. A plurality of bores are formed in the surface of the suction box within a region corresponding to the maximum sheet width at a suitable pitch. Each of the bores have a smaller diameter at its inner side than at its outer side. A sucking mechanism of adjustable pressure is provided in communication with the cavity of the hollow suction box. A damper is disposed at the duct of the sucking mechanism and is used for adjusting the pressure in suction box.
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申请公布号 |
US4327854(A) |
申请公布日期 |
1982.05.04 |
申请号 |
US19800173677 |
申请日期 |
1980.07.30 |
申请人 |
MITSUBISHI JUKOGYO KABUSHIKI KAISHA |
发明人 |
HIRAKAWA, TADASHI;SATOU, HIROSHI |
分类号 |
B65H20/12;B31F1/24;B65H20/10;B65H20/32;B65H23/10;B65H23/24;(IPC1-7):B65H25/06 |
主分类号 |
B65H20/12 |
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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