Golf balls having foam inner core and themoplastic outer core
US-2015375060-A1 · Dec 31, 2015 · US
Multi-layer golf ball
US9539470B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9539470-B2 |
| Application number | US-35835809-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jan 23, 2009 |
| Priority date | Nov 28, 2001 |
| Publication date | Jan 10, 2017 |
| Grant date | Jan 10, 2017 |
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- Title
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- Abstract
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- Assignees and inventors
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- First independent claim
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- CPC / IPC classifications
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- Citations and related patents
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Abstract
Official abstract text for this publication.
Multi-layer golf balls having a thin, relatively hard outer core layer surrounding a large, relatively soft inner core layer are provided. The inner core layer generally has a diameter of from 1.5 inches to 1.55 inches. The outer core layer generally has an outer diameter of from 1.6 inches to 1.64 inches. A cover is provided to surround the outer core layer. A moisture barrier layer is optionally provided between the outer core layer and the cover.
First claim
Opening claim text (preview).
What is claimed is: 1. A golf ball consisting of the following three layers: an inner core layer having a diameter of from 1.51 inches to 1.58 inches, a compression of 100 or less, a center hardness of from 40 Shore C to 60 Shore C, and an outer surface hardness of from 80 Shore C to 95 Shore C; an outer core layer formed from a rubber-based composition and having a thickness of from 0.01 inches to 0.06 inches and an outer surface hardness of from 58 Shore D to 70 Shore D; and a cover layer having a material hardness of from 30 Shore D to 55 Shore D.
Assignees
Inventors
Classifications
- A63B37/0066Primary
Density; Specific gravity · CPC title
Thickness · CPC title
Hardness · CPC title
Hardness · CPC title
Materials other than polybutadienes; Constructional details · CPC title
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Frequently asked questions
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- What does patent US9539470B2 cover?
- Multi-layer golf balls having a thin, relatively hard outer core layer surrounding a large, relatively soft inner core layer are provided. The inner core layer generally has a diameter of from 1.5 inches to 1.55 inches. The outer core layer generally has an outer diameter of from 1.6 inches to 1.64 inches. A cover is provided to surround the outer core layer. A moisture barrier layer is optiona…
- Who is the assignee on this patent?
- Sullivan Michael J, Ladd Derek A, Acushnet Co
- What technology area does this patent fall under?
- Primary CPC classification A63B37/0066. Mapped technology areas include Human Necessities.
- When was this patent published?
- Publication date Tue Jan 10 2017 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).