Invention Grant
- Patent Title: Non-abrasive composite doctor blade
- Patent Title (中): 非研磨复合刮刀
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Application No.: US10109308Application Date: 2002-03-28
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Publication No.: US06867155B2Publication Date: 2005-03-15
- Inventor: Allen J. Brauns , Stacey L. Jackson
- Applicant: Allen J. Brauns , Stacey L. Jackson
- Applicant Address: US MA Auburn
- Assignee: Kadant Web Systems, Inc.
- Current Assignee: Kadant Web Systems, Inc.
- Current Assignee Address: US MA Auburn
- Agency: Gauthier & Connors
- Main IPC: B32B5/28
- IPC: B32B5/28 ; D21G3/00 ; B32B5/26

Abstract:
A multiplayer composite doctor blade has a side edge configured for application to the surface of a rotating roll in a paper making machine. The doctor blade has an inner core and intermediate layers preferably enclosed by outer layers. The inner core is predominantly polymeric material. The intermediate layers on opposite sides of the core include reinforcing fibers. The side edge of the doctor blade has an abrasiveness as measured by ASTM test method D5181-91 of between about 4.0 to 5.0.
Public/Granted literature
- US20020174966A1 Non-abrasive composite doctor blade Public/Granted day:2002-11-28
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