JP2012120846A5 - - Google Patents
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- JP2012120846A5 JP2012120846A5 JP2011269512A JP2011269512A JP2012120846A5 JP 2012120846 A5 JP2012120846 A5 JP 2012120846A5 JP 2011269512 A JP2011269512 A JP 2011269512A JP 2011269512 A JP2011269512 A JP 2011269512A JP 2012120846 A5 JP2012120846 A5 JP 2012120846A5
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- JP
- Japan
- Prior art keywords
- hardness
- shore
- cover layer
- geometric center
- core
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Claims (3)
上記コアの周りに配され、アイオノマー系材料を有し、その材料硬度が６０ショアＤ以上である内側カバー層と、
上記内側カバー層の周りに配され、注型可能なポリ尿素または注型可能なポリウレタンを有し、その材料硬度が６０ショアＤ以下である外側カバー層とを有し、
上記外側表面のトランス含有量が１２％以下であり、その硬度が７１から８８ショアＣであり、上記幾何中心のトランス含有量が１０％以下であり、その硬度が７０から８０ショアＣであり、上記コアの表面硬度が上記幾何中心の硬度より１から１０ショアＣだけ大きくて浅い正の硬度勾配を形成するゴルフボール。 A single core made from a substantially uniform rubber composition with an outer surface and a geometric center;
An inner cover layer disposed around the core, having an ionomer-based material and having a material hardness of 60 Shore D or more;
An outer cover layer disposed around the inner cover layer, having castable polyurea or castable polyurethane and having a material hardness of 60 Shore D or less;
The trans content of the outer surface is 12% or less, its hardness is 71 to 88 Shore C, the trans content of the geometric center is 10 % or less, and its hardness is 70 to 80 Shore C. There, a golf ball having a surface hardness of the core to form a shallow positive hardness gradient increased by 10 Shore C 1 Ri by hardness of the geometric center.
上記コアの周りに配され、材料硬度が６６から８０ショアＤである熱可塑性アイオノマー系材料を有する内側カバー層と、
上記内側カバー層の周りに配され、厚さが０．０４インチ（１．０２ｍｍ）であり、かつ、材料硬度が６４から６８ショアＤのアイオノマー、または、材料硬度が５１から５５ショアＤの熱可塑性の注型可能なポリウレタンを有する外側カバー層とを有し、
上記外側表面のトランス含有量が１２％以下であり、その硬度が７４から７８ショアＣであり、上記幾何中心のトランス含有量が１０％以下であり、その硬度が７２から７８ショアＣであり、かつ、上記コアの表面硬度が上記幾何中心の硬度より１から５ショアＣだけ大きくて浅い正の硬度勾配を形成し、上記コアのＡｔｔｉ圧縮が５０から７０であるゴルフボール。 The outer diameter is 1 . 5 is 1.55 inches (3 .81cm or et 3 .94cm), with the outer surface and the geometric center, and a single core manufactured from a substantially homogeneous rubber composition,
An inner cover layer having a thermoplastic ionomer-based material disposed around the core and having a material hardness of 66 to 80 Shore D;
It is arranged around the inner cover layer and has a thickness of 0 . 04 is a inch (1.02 mm), and ionomeric materials hardness from 6 4 68 Shore D, or outer cover layer material hardness having a thermoplastic castable polyurethane from 5 1 55 Shore D and Have
The transformer content of the outer surface is not more than 1 2%, and the hardness of 7 4 78 Shore C, trans content of the geometric center of not more than 1 0%, the hardness of 7 2 to 78 Shore it is C, and the golf ball surface hardness of the core is above the geometric center from 1 Ri by hardness greater by 5 Shore C to form a shallow positive hardness gradient, 70 from Atti compression 5 0 of the core .
上記コアの周りに配され、その外側直径が１．５８インチ（４．０１ｃｍ）であり、材料硬度が３８から４２ショアＤである熱可塑性アイオノマー系材料を有する内側カバー層と、
上記内側カバー層の周りに配され、厚さが０．０５インチ（１．２７ｍｍ）であり、かつ、材料硬度が６６から７０ショアＤのアイオノマーを有する外側カバー層とを有し、
上記外側表面のトランス含有量が１２％以下であり、その硬度が７４から７８ショアＣであり、上記幾何中心のトランス含有量が１０％以下であり、その硬度が７２から７８ショアＣであり、かつ、上記コアの表面硬度が上記幾何中心の硬度より１から５ショアＣだけ大きくて浅い正の硬度勾配を形成するゴルフボール。 The outer diameter is 1 . A single core that is 45 inches (3.68 cm) and is made of a substantially uniform rubber composition with an outer surface and a geometric center;
It is arranged around the core and its outer diameter is 1 . 58 is a inch (4.01cm), and the inner cover layer having a thermoplastic ionomeric material is a material hardness 3 8 42 Shore D,
It is arranged around the inner cover layer and has a thickness of 0 . 05 is a inch (1.27 mm), and having an outer cover layer having an ionomer from a material hardness 6 6 70 Shore D,
The transformer content of the outer surface is not more than 1 2%, and the hardness of 7 4 78 Shore C, trans content of the geometric center of not more than 1 0%, the hardness of 7 2 to 78 Shore It is C, and golf ball surface hardness of the core to form a shallow positive hardness gradient larger by 5 Shore C 1 Ri by hardness of the geometric center.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/964,343 | 2010-12-09 | ||
| US12/964,343 US8152655B2 (en) | 2007-07-03 | 2010-12-09 | Multi-piece golf ball comprising low hardness gradient core |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2012120846A JP2012120846A (en) | 2012-06-28 |
| JP2012120846A5 true JP2012120846A5 (en) | 2012-12-13 |
| JP5468055B2 JP5468055B2 (en) | 2014-04-09 |
Family
ID=46382098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2011269512A Active JP5468055B2 (en) | 2010-12-09 | 2011-12-09 | Multi-piece golf ball with low hardness gradient core |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5468055B2 (en) |
| CN (2) | CN102526994B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9302156B2 (en) * | 2013-04-29 | 2016-04-05 | Acushnet Company | Golf balls having foam inner core and thermoset outer core layer |
| KR102086146B1 (en) * | 2012-12-20 | 2020-03-06 | 애쿠쉬네트캄파니 | Dual-core comprising zero gradient center and positive gradient outer core layer |
| JP2014158683A (en) * | 2013-01-09 | 2014-09-04 | Acushnet Co | Golf ball having hollow center |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6394913B1 (en) * | 1993-06-01 | 2002-05-28 | Spalding Sports Worldwide, Inc. | Multi-layer golf ball |
| US20050282659A1 (en) * | 1998-03-18 | 2005-12-22 | Kennedy Thomas J Iii | High compression multi-layer RIM golf balls |
| US6759482B1 (en) * | 1998-03-27 | 2004-07-06 | Sumitomo Rubber Industries, Ltd. | Three-piece solid golf ball |
| JPH11333026A (en) * | 1998-03-27 | 1999-12-07 | Sumitomo Rubber Ind Ltd | Three-piece solid golf ball |
| US7131915B2 (en) * | 2001-04-10 | 2006-11-07 | Acushnet Company | Three-layer-cover golf ball |
| JP2002360740A (en) * | 2001-06-04 | 2002-12-17 | Sumitomo Rubber Ind Ltd | Three-piece solid golf ball |
| JP2004041734A (en) * | 2002-07-09 | 2004-02-12 | Acushnet Co | Low compression, resilient golf ball with rubber core |
| US8123630B2 (en) * | 2009-04-27 | 2012-02-28 | Bridgestone Sports Co., Ltd. | Multi-piece solid golf ball |
-
2011
- 2011-12-09 CN CN201110410206.8A patent/CN102526994B/en not_active Expired - Fee Related
- 2011-12-09 CN CN201610341012.XA patent/CN105833483B/en not_active Expired - Fee Related
- 2011-12-09 JP JP2011269512A patent/JP5468055B2/en active Active
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