[특허]Golf equipment formed from castable formulation with unconventionally low hardness and increased shear resistance

Golf equipment formed from castable formulation with unconventionally low hardness and increased shear resistance 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	C08G-018/10 C08G-018/48 A63B-037/00 A63B-037/12 C08G-018/50 C08G-018/73 A63B-053/04
출원번호	US-0539321 (2014-11-12)
등록번호	US-9433827 (2016-09-06)
발명자 / 주소	Ricci, Shawn Cavallaro, Christopher
출원인 / 주소	Acushnet Company
대리인 / 주소	Smith, Gambrell & Russell, LLP
인용정보	피인용 횟수 : 0 인용 특허 : 77

초록

Golf equipment including compositions including castable formulations that have low material hardness and increased shear resistance. The compositions may be used in any layer of a golf ball including cores, intermediate layers, and covers and result in high spin rates.

대표청구항 ▼

1. A golf ball comprising: a core;an inner cover layer disposed about the core; andan outer cover layer disposed about the inner cover layer, wherein the outer cover layer has a hardness of about 30 Shore D to about 60 Shore D and is formed from a castable material comprising:a prepolymer formed from the reaction product of at least one isocyanate and polytetramethylene ether glycol, wherein the NCO content of the prepolymer ranges from about 5 percent to about 7 percent; anda polyether diol having a molecular weight of about 400 to about 2500 and having the following structure: wherein n is the chain length from 2 to 30;wherein the castable material has a hardness of about 8 Shore D to about 16 Shore D. 2. The golf ball of claim 1, wherein the composition comprises a ratio of prepolymer to polyether diol of about 1:0.95. 3. The golf ball of claim 1, wherein the material hardness is about 10 Shore D to about 14 Shore D. 4. The golf ball of claim 1, wherein the golf ball has a COR of about 0.810 or greater at 125 ft/s. 5. The golf ball of claim 1, wherein the prepolymer has an NCO content of about 6 percent to about 6.5 percent. 6. The golf ball of claim 1, wherein the difference between the flexural moduli of the inner cover layer and outer cover layer is about 5,000 psi or less. 7. The golf ball of claim 1, wherein the polyether diol has a chain length n of about 7 to about 27. 8. The golf ball of claim 1, wherein the polyether diol has a molecular weight of about 650 to about 2000. 9. A golf ball comprising: a core; anda cover having a hardness of about 40 Shore D to about 55 Shore D, wherein the cover is formed from a castable material comprising:a prepolymer formed from the reaction product of at least one isocyanate-containing component and at least one isocyanate-reactive component; anda polyether diol having a molecular weight of about 400 to about 2500 and having the following structure: wherein n is the chain length from 2 to 30;wherein the castable material has a hardness of about 8 Shore D to about 16 Shore D. 10. The golf ball of claim 9, wherein the golf ball has a COR of about 0.810 or greater at 125 ft/s. 11. The golf ball of claim 9, wherein the prepolymer comprises a reaction product of di phenyl methane diisocyanate and polytetramethylene ether glycol. 12. The golf ball of claim 9, wherein the golf ball has an 8-iron spin rate of about 10,000 rpm or greater. 13. The golf ball of claim 9, wherein the castable material comprises a ratio of prepolymer to polyether diol of about 1:0.95. 14. The golf ball of claim 9, wherein the polyether diol has a chain length n of about 7 to about 27. 15. The golf ball of claim 9, wherein the castable material has a hardness of about 8 Shore D to about 14 Shore D. 16. A golf ball comprising: a core;a cover; andan intermediate layer disposed between the core and the cover,wherein the cover has a hardness of about 40 Shore D to about 55 Shore D and is formed from a castable material comprising:a prepolymer formed from at least one aromatic diisocyanate and at least one polyol, wherein the NCO content of the prepolymer ranges from about 5 percent to about 7 percent; anda polyether diol having the following structure: wherein n is the chain length from 2 to 30;wherein the castable material has a hardness of about 8 Shore D to about 16 Shore D. 17. The golf ball of claim 16, wherein the flexural modulus of the intermediate layer is about 2,000 psi to about 200,000 psi. 18. The golf ball of claim 16, wherein the golf ball has a driver spin rate of about 5,000 rpm or greater. 19. The golf ball of claim 16, wherein the polyether diol has a molecular weight of about 650 to about 2000. 20. The golf ball of claim 16, wherein the polyether diol has a chain length n of about 7 to about 27.

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

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Golf equipment formed from castable formulation with unconventionally low hardness and increased shear resistance 원문보기

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Golf equipment formed from castable formulation with unconventionally low hardness and increased shear resistance 원문보기

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