Title:
PRODUCTION METHOD OF BEAD FILLER MATERIAL WITH BEAD CORE
Document Type and Number:
WIPO Patent Application WO/2007/145284
Kind Code:
A1
Abstract:
In order to form linear grooves extending in the radial direction and contributive
to smooth discharge of air in the surface on one side in the thickness direction
after completing production of a bead filler material having an annular shape
as a whole and becoming the winding laminate of ribbonlike rubber strip, the ribbonlike
rubber strip (4) is laminated spirally around a bead core (3) arranged concentrically
on a rotary substrate (1), and linear grooves becoming transfer of protrusions
(2) provided on the rotary substrate (1) to extend in the radial direction are
formed in the contact surface with the rotary substrate (1) over the entire circumference.
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Inventors:
SHINO YOSHIKATSU (JP)
Application Number:
PCT/JP2007/062024
Publication Date:
December 21, 2007
Filing Date:
June 14, 2007
Export Citation:
Assignee:
BRIDGESTONE CORP (JP)
SHINO YOSHIKATSU (JP)
SHINO YOSHIKATSU (JP)
International Classes:
B29D30/48
Foreign References:
JP2005153145A | 2005-06-16 | |||
JP2003039570A | 2003-02-13 | |||
JP2003334866A | 2003-11-25 | |||
JP2004161000A | 2004-06-10 | |||
JPH0655659A | 1994-03-01 |
Other References:
See also references of EP 2036706A4
Attorney, Agent or Firm:
SUGIMURA, Kenji et al. (2-4 Kasumigaseki 3-chome,Chiyoda-k, Tokyo 13, JP)
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