BALL - KURARAY CO

Title:

BALL

Document Type and Number:

WIPO Patent Application WO/2005/097269

Kind Code:

A1

Abstract:

A gas filling type ball for sports having excellent non-slipping property and sufficient mechanical strength such as surface abrasion strength and particularly suitably usable in the fields of the materials of balls for basket ball, American foot ball, and rugby. Any of balls for basket ball, hand ball, rugby, and American foot ball comprises a sheet having, on the surface of a fiber base material, a covering layer with projected parts and semi-spherical recessed parts adjacent thereto substantially continued with each other. Height differences between the projected parts and the recessed parts are 50 to 1000 μm, the perpendicularly projected area of the adjacent recessed parts is 3 to 30 mm², and averaged distances between the recessed parts are 0.5 to 3 mm.

More Like This:

JP5226407

Manufacturing method of artificial leather for balls with excellent grip

Inventors:

FUJISAWA MICHINORI (JP)
ISHII SADAHIRO (JP)
SAEKI TAKETOSHI (JP)

Application Number:

PCT/JP2005/006495

Publication Date:

October 20, 2005

Filing Date:

April 01, 2005

Export Citation:

Click for automatic bibliography generation Help

Assignee:

KURARAY CO (JP)
MIKASA CORP (JP)
FUJISAWA MICHINORI (JP)
ISHII SADAHIRO (JP)
SAEKI TAKETOSHI (JP)

International Classes:

A63B41/00; A63B41/08; D06N3/00; (IPC1-7): A63B41/00; D06N3/00

Foreign References:

US5518234A	1996-05-21
JP2000328465A	2000-11-28
JP2000273769A	2000-10-03
US4991842A	1991-02-12

Other References: