发明授权
- 专利标题： Drum comprising support mounted grid structure
- 专利标题（中）： 包括支持安装网格结构的鼓
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申请号： US3773614D申请日： 1971-11-05
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公开(公告)号： US3773614A公开(公告)日： 1973-11-20
- 发明人: PENNINGTON R
- 申请人： IMPROVED MACHINERY INC
- 专利权人： Improved Machinery Inc
- 当前专利权人： Improved Machinery Inc
- 优先权： US19595371 1971-11-05
- 主分类号： F16C13/00
- IPC分类号： F16C13/00 ; B01D33/067 ; D21D5/06 ; D21F1/00 ; D21F1/60 ; D21F3/10 ; D21F5/02
摘要：
A drum comprising an annular, perforated, rigid support and an annular honeycomb or grid structure mounted circumferentially around the support. The grid structure includes planar strip means extending circumferentially of the support providing the drum with substantial circumferential rigidity; and the support provides the drum with substantial longitudinal stiffness.
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