ROLL MEMBER, COATING DEVICE, SEPARATOR PRODUCTION DEVICE, AND SECONDARY BATTERY PRODUCTION DEVICE

Title:

ROLL MEMBER, COATING DEVICE, SEPARATOR PRODUCTION DEVICE, AND SECONDARY BATTERY PRODUCTION DEVICE

Document Type and Number:

WIPO Patent Application WO/2014/025004

Kind Code:

A1

Abstract:

The present invention pertains to a roll member (30) having a plurality of grooves formed in the outer peripheral surface thereof. The plurality of grooves are arranged inclined relative to a direction parallel to the center axis of the roll member (30); a machining area (30SA) having the plurality of grooves formed therein is provided in the outer peripheral surface of the roll member (30); the machining area (30SA) has a first machining area (SA1), a second machining area (SA2), and a third machining area (SA3) between the first machining area (SA1) and the second machining area (SA2); the depth of the grooves in the first machining area (SA1) and the depth of the grooves in the second machining area (SA2) gradually decreases in the direction away from the third machining area (SA3); and a first length (L) in the direction parallel to the center axis of the first machining area (SA1) and a second length (L2) in the direction parallel to the center axis of the second machining area (SA2) differ.

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Inventors:

WATANABE KOICHIRO (JP)
WANG JIAN (JP)
HAYAKAWA NOBORU (JP)
MINEMOTO YASUTOSHI (JP)

Application Number:

PCT/JP2013/071580

Publication Date:

February 13, 2014

Filing Date:

August 02, 2013

Export Citation:

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Assignee:

SUMITOMO CHEMICAL CO (JP)

International Classes:

B05C1/08; H01M50/403; H01M50/449; H01M50/463; F16C13/00; H01M50/406; H01M50/414; H01M50/417; H01M50/423; H01M50/426; H01M50/451; H01M50/489

Foreign References:

JP2011005454A	2011-01-13
JPS6175870U	1986-05-22
JP2011159434A	2011-08-18
JP2003260393A	2003-09-16
JP2004199924A	2004-07-15
JPH115052A	1999-01-12

Attorney, Agent or Firm:

NAKAYAMA, Tohru et al. (JP)
Nakayama 亨 (JP)

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