JP2023531193A - ゴルフボール及びその製造方法 - Google Patents
ゴルフボール及びその製造方法 Download PDFInfo
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- JP2023531193A JP2023531193A JP2022577529A JP2022577529A JP2023531193A JP 2023531193 A JP2023531193 A JP 2023531193A JP 2022577529 A JP2022577529 A JP 2022577529A JP 2022577529 A JP2022577529 A JP 2022577529A JP 2023531193 A JP2023531193 A JP 2023531193A
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- 238000004519 manufacturing process Methods 0.000 title claims description 14
- 239000000843 powder Substances 0.000 claims description 51
- 229910000808 amorphous metal alloy Inorganic materials 0.000 claims description 49
- 229920005989 resin Polymers 0.000 claims description 29
- 239000011347 resin Substances 0.000 claims description 29
- 239000000203 mixture Substances 0.000 claims description 26
- 229920001971 elastomer Polymers 0.000 claims description 19
- 239000005060 rubber Substances 0.000 claims description 14
- 239000002245 particle Substances 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 5
- 238000005498 polishing Methods 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims description 2
- 238000001746 injection moulding Methods 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 description 14
- 239000000945 filler Substances 0.000 description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 229920000554 ionomer Polymers 0.000 description 10
- 239000010410 layer Substances 0.000 description 9
- 229920002857 polybutadiene Polymers 0.000 description 8
- 239000000654 additive Substances 0.000 description 5
- 239000000806 elastomer Substances 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 5
- 229920000728 polyester Polymers 0.000 description 5
- 239000011342 resin composition Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 3
- 239000003963 antioxidant agent Substances 0.000 description 3
- 229910052804 chromium Inorganic materials 0.000 description 3
- 239000011651 chromium Substances 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- 229920002943 EPDM rubber Polymers 0.000 description 2
- 244000043261 Hevea brasiliensis Species 0.000 description 2
- 239000005062 Polybutadiene Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 230000003078 antioxidant effect Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 239000013013 elastic material Substances 0.000 description 2
- 229920003052 natural elastomer Polymers 0.000 description 2
- 229920001194 natural rubber Polymers 0.000 description 2
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- 229920002803 thermoplastic polyurethane Polymers 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
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- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 229920001195 polyisoprene Polymers 0.000 description 1
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- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
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Abstract
Description
ポリブタジエンゴム、充填剤、酸化防止剤(Antioxidant)をニーダー及びロールミルで均一に混合してコア用ゴム混合物を用意した後、コア用ゴム混合物をプレス成形し、研磨して、表1に記載された直径及び密度を有するゴルフボールのコアを製作した。コアの密度は、充填剤の添加量を調節して制御した。
20 マントル
30 コア
Claims (11)
- 平均直径が37~39mmであり、第1密度を有するコア;
前記コアを囲むように0.8~1.2mmの厚さで提供され、非晶質合金粉末を含み、第2密度を有するマントル;及び
前記マントルを囲むように1~1.4mmの厚さで提供され、第3密度を有するカバーを含む、ゴルフボール。 - 前記第2密度は、前記第1密度及び前記第3密度より低い、請求項1に記載のゴルフボール。
- 前記第1密度は、1.10~1.20(g/cm3)であり、
前記第2密度は、0.95~1.15(g/cm3)であり、
前記第3密度は、1.05~1.15(g/cm3)である、請求項1に記載のゴルフボール。 - 前記非晶質合金粉末の密度は、6~8(g/cm3)である、請求項1に記載のゴルフボール。
- 前記非晶質合金粉末は、前記マントルに前記マントルの重量に対して12~16wt%含まれる、請求項4に記載のゴルフボール。
- 前記非晶質合金粉末の平均粒子径は10μm~50μmである、請求項1に記載のゴルフボール。
- 前記コア、前記マントル、及び前記カバーの弾性係数は、順次低くなる、請求項1に記載のゴルフボール。
- コア用ゴム混合物を用意し、コア用ゴム混合物をプレス成形し研磨処理して、平均直径が37~39mmであり、第1密度を有するコアを製作するコア形成段階;
マントル形成用樹脂に非晶質合金粉末を混合してマントル用樹脂混合物を用意し、前記コアを囲むようにマントル用樹脂混合物を射出成形した後、研磨処理して、厚さが0.8~1.2mmであり、第2密度を有するマントルを形成するマントル形成段階;及び
カバー形成用樹脂に添加剤を混合してカバー形成用混合物を用意し、前記マントルを囲むようにカバー形成用樹脂混合物をキャスティング成形して、厚さが1~1.4mmであり、第3密度を有するカバーを形成するカバー形成段階;を含む、ゴルフボールの製造方法。 - 前記第2密度は、前記第1密度及び前記第3密度よりも低い、請求項8に記載のゴルフボールの製造方法。
- 前記第1密度は、1.10~1.20(g/cm3)であり、
前記第2密度は、0.95~1.15(g/cm3)であり、
前記第3密度は、1.05~1.15(g/cm3)である、請求項8に記載のゴルフボールの製造方法。 - 前記非晶質合金粉末の密度は、6~8(g/cm3)であり、
前記非晶質合金粉末の平均粒子径は、10μm~50μmであり、
前記非晶質合金粉末は、前記マントル用樹脂混合物に前記マントル用樹脂混合物の重量に対して12~16wt%含まれる、請求項8に記載のゴルフボールの製造方法。
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JPH1176459A (ja) * | 1997-09-05 | 1999-03-23 | Maguregaa Golf Japan Kk | ゴルフボール |
JP3060524U (ja) | 1998-12-25 | 1999-09-07 | 錦祥産業股▲フン▼有限公司 | 三層式ゴルフボ―ルの構造 |
US6106414A (en) * | 1999-02-05 | 2000-08-22 | Yeh; Chien-Hwa | Three-layered solid golf ball structure |
KR20010000252A (ko) | 2000-08-29 | 2001-01-05 | 이건환 | 비정질합금 코어를 내장한 골프공 |
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