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Title:
METHOD FOR MANUFACTURING ELASTIC CYLINDRICAL BODY, METHOD FOR MANUFACTURING ELASTIC ROLL, ELASTIC CYLINDRICAL BODY, AND ELASTIC ROLL
Document Type and Number:
WIPO Patent Application WO/2002/020237
Kind Code:
A1
Abstract:
A mixture liquid of a liquid polymer material and a granular filler is injected into a mold (1) for centrifugal molding, and a cylindrical body including a homogeneous dispersion layer (2) in which the filler is homogeneously dispersed in the polymer material and a high-density filler layer (1) which is provided on the outer or inner surface of the homogeneous dispersion layer (2) and in which the polymer material is filled with the filler at higher density is centrifugally molded. The high-density filler layer (1) is removed to expose the surface of the homogeneous dispersion layer (2). Thus, the yield of the elastic cylindrical body is improved.

Inventors:
KATO SHUNSUKE (JP)
TSUNOKAWA MITSURU (JP)
TANAKA ATSUO (JP)
Application Number:
PCT/JP2001/006992
Publication Date:
March 14, 2002
Filing Date:
August 13, 2001
Export Citation:
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Assignee:
YAMAUCHI CORP (JP)
KATO SHUNSUKE (JP)
TSUNOKAWA MITSURU (JP)
TANAKA ATSUO (JP)
International Classes:
B29C41/04; B29D99/00; F16C13/00; D21F3/08; D21G1/02; B29C41/22; B29K63/00; B29K105/16; B29L23/00; (IPC1-7): B29C41/04; D21F3/08; D21G1/02
Foreign References:
JPH11129264A1999-05-18
JPH05171588A1993-07-09
EP0533482A11993-03-24
US5836860A1998-11-17
JPS4715228B11972-05-08
JPS373481B11962-06-04
Other References:
See also references of EP 1316401A4
Attorney, Agent or Firm:
Itoh, Hidehiko (Shimanouchi 1-chome Chuo-ku Osaka-shi, Osaka, JP)
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