Title:
RESIN-SHEET MANUFACTURING METHOD AND SHAPED ROLL
Document Type and Number:
WIPO Patent Application WO/2012/102273
Kind Code:
A1
Abstract:
This resin-sheet manufacturing method has: a sheet-manufacturing step in which a continuous resin sheet is manufactured by continuously extruding a molten resin from a die; and a transfer step in which a shaped roll having transfer molds formed in the outer surface thereof is used to transfer the shapes of said transfer molds to the surface of the continuous resin sheet. The transfer molds are arranged such that recesses adjacent in the long direction of the shaped roll are separated by intervals of 6 to 15 µm.
Inventors:
HAMAMATSU TOYOHIRO (JP)
Application Number:
PCT/JP2012/051453
Publication Date:
August 02, 2012
Filing Date:
January 24, 2012
Export Citation:
Assignee:
SUMITOMO CHEMICAL CO (JP)
HAMAMATSU TOYOHIRO (JP)
HAMAMATSU TOYOHIRO (JP)
International Classes:
B29C59/04; B29C48/07; B29C48/12; B29C33/42; B29L7/00
Foreign References:
| JP2009220555A | 2009-10-01 | |||
| JP2009202479A | 2009-09-10 | |||
| JP2974453B2 | 1999-11-10 | |||
| JPH106396A | 1998-01-13 | |||
| JPH05169015A | 1993-07-09 |
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
Yoshiki Hasegawa (JP)
Yoshiki Hasegawa (JP)
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Claims: