Floatable golf ball for driving range

Games using tangible projectile – Golf – Ball

Reexamination Certificate

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Reexamination Certificate

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09854693

ABSTRACT:
The present invention provides a floatable golf ball for a driving range having excellent durability and good shot feel. The present invention relates to a floatable golf ball for a driving range comprising a core and a cover covering the core, whereinthe cover has a flexural modulus (F) of 80 to 300 MPa,the golf ball has a specific gravity of not less than 0.5 and less than 1.0, and a deformation amount (D) of 3.0 to 6.0 mm when applying from an initial load of 98 N to a final load of 1275 N, anda ratio (F/D) of the flexural modulus of the cover (F) to the deformation amount of the golf ball (D) is within the range of 15 to 50.

REFERENCES:
patent: 4085937 (1978-04-01), Schenk
patent: 5695413 (1997-12-01), Yamagishi et al.
patent: 5842936 (1998-12-01), Mast
patent: 5931747 (1999-08-01), Mast
patent: 06-327791 (1994-11-01), None
patent: A6327791 (1994-11-01), None

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