Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1997-11-04
1999-11-02
Buttner, David
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
473372, 473373, 473385, A63B 3712, C08L 3302
Patent
active
059772646
ABSTRACT:
The invention provides a golf ball comprising a solid core, an intermediate layer, and a cover. The cover is formed of a diamine complex ionomer resin having a flexural rigidity of 340-410 MPa. The intermediate layer is formed of an ionomer resin or non-ionomer thermoplastic elastomer having a flexural rigidity of 20-350 MPa. The hardness of the ball is adjusted to a distortion of 2.6-4.5 mm under a load of 100 kg.
REFERENCES:
patent: 5439227 (1995-08-01), Egashira
Ichikawa Yasushi
Kashiwagi Shunichi
Takesue Rinya
Bridgestone Sports Co. Ltd.
Buttner David
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