Invention Application
- Patent Title: Web spreader roll and methods for spreading webs of material
- Patent Title (中): 卷筒纸卷筒纸和铺布材料网的方法
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Application No.: US09859958Application Date: 2001-05-17
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Publication No.: US20040154146A1Publication Date: 2004-08-12
- Inventor: Paul R. Pruitt JR.
- Main IPC: B25F005/02
- IPC: B25F005/02 ; F16C013/00
Abstract:
The invention relates to rolls for use in spreading webs and minimizing the formation of wrinkles therein. The roll has a diameter in its central region that is greater than the diameter proximate its end portions. The diameter can taper straight from the central portion to the ends, can parabolically taper from the central portion to the ends, can utilize a combination of a parabolic shape and straight taper, or other profile variations.
Information query
