发明授权
US4426757A Web guide roller for use at high speeds and process for producing the same 失效
用于高速使用的卷筒纸导辊和用于生产它的方法

Web guide roller for use at high speeds and process for producing the
same
摘要:
The invention relates to a web guide roller for a web which is required to be moved at a high speed, having cavities arranged on its surface for receiving the air carried with the moving web, whereby a finely branched network of compression chambers is arranged on the surface between plateau-like smoothly ground and polished areas on which the web lies in contact. Further the invention relates to a process for the production of this web guide rollers for use at high speed.
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