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US 2022/0282131 A1Published application
Aqueous adhesive for tennis ball
AssigneeSumitomo Rubber Industries, Ltd.
InventorsSho GOJI, Takehiko HYODO, Kazuyoshi SHIGA
Life of this patent
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Abstract
The aqueous adhesive for a tennis ball includes rubber latex. The rubber latex is a mixture of liquid rubber latex and solid rubber latex. When a solid content in the aqueous adhesive is measured at a temperature of 140° C. by a curelastometer, a torque is not less than 0.26 N·m after 10 minutes from start of heating. The tennis ball includes a seam portion formed of the aqueous adhesive for a tennis ball.
Claims12
An aqueous adhesive for a tennis ball, the aqueous adhesive comprising:
- rubber latex, wherein
- the rubber latex is a mixture of liquid rubber latex and solid rubber latex, and
- when a solid content in the aqueous adhesive is measured at a temperature of 140° C. by a curelastometer, a torque is not less than 0.26 N·m after 10 minutes from start of heating.
Dependencies are inferred from the claim text.