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Patent Searching and Data


Title:
RIDER ROLL WINDER FOR PAPER MACHINE
Document Type and Number:
Japanese Patent JPH11106100
Kind Code:
A
Abstract:

To provide a rider roll which is used with a paper takeup winder used in the finishing part of a paper making machine for middle core paper or jute liner containing a high rate of regenerated waste paper, has excellent mold releasing performance and durability, and can eliminate noise generation due to attachment of pitch or trouble on the operation such as wrinkle generation for a long period of time.

On the surface of a rider roll 3, a ceramic covering is provided, consisting of a mixture of one or more sorts of metal oxides, wherein the metal oxide is formed chiefly from chromium series oxide whereto one or more sorts of silica, titania, etc., is added at least in the range 0-50%, and it is preferable that a metallizing spray is made under the condition that the porosity is below 10%. The ceramic covering layer should preferably have a thickness of 0.05-1.00 mm.


Inventors:
NAKAYAMA KEIJI
NAKAI KEIJI
Application Number:
JP1997000274860
Publication Date:
April 20, 1999
Filing Date:
October 07, 1997
Export Citation:
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Assignee:
NOMURA MEKKI KK
International Classes:
B65H18/26; B65H27/00; (IPC1-7): B65H18/26; B65H27/00
Attorney, Agent or Firm:
倉田 政彦