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US 12,496,502 B2Granted
Table tennis rubber
AssigneeTamasu Co., Ltd.
InventorsHiroki Teramura, Yuta Tsukiji
Life of this patent
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Abstract
A table tennis rubber includes a spongy sheet, and a rubber sheet layered and adhered to the spongy sheet with a plurality of protrusions defined on a sticking surface of a main body of the rubber sheet to the spongy sheet. The rubber sheet has a thickness of 1.6 mm or less in a layering direction on the spongy sheet. A value denoted as ar is an area percentage (%) of the protrusions to the sticking surface of the main body of the rubber sheet. A value denoted as h is a height (mm) of the protrusions. A ratio denoted as ar/h is 52 or more.
Claims11
A table tennis rubber comprising:
- a spongy sheet;
- and
- a rubber sheet layered and adhered to the spongy sheet with protrusions defined on a sticking surface of a main body of the rubber sheet to the spongy sheet,
- wherein:
- the rubber sheet has a thickness of 1.6 mm or less in a layering direction on the spongy sheet;
- ar denotes a value of an area percentage (%) of the protrusions to the sticking surface of the main body of the rubber sheet;
- h denotes a value of a height (mm) of the protrusions;
- and
- ar/h is 55 or more.
6 more elements
Dependencies are inferred from the claim text.