Gold ball having a foamed layer created by infrared radiation

a foam layer and gold ball technology, applied in the field of gold ball foam layer created by infrared radiation, can solve the problems of difficult control around the greens, difficult manufacturing of wound balls, and difficult feeling

Inactive Publication Date: 2007-07-05
ACUSHNET CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0011] The invention provides a method for forming in a multilayer golf ball, an intermediate layer comprising an expandable polymeric composition containing a blowing agent, wherein the expandable polymeric composition expa...

Problems solved by technology

However, wound balls are generally difficult to manufacture when compared to solid golf balls.
Golf balls having a hard core and a hard cover generally have very high resiliency for distance, but are hard feeling and difficult to control around the greens.
On the other hand, recreational players who cannot intentiona...

Method used

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Examples

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Embodiment Construction

[0017] The method of the present invention includes creating gradients upon a spherical object such as golf ball core and a cover. The method of the invention would work equally as well with one-piece balls as described in U.S. Pat. No. 6,162,135, multi-layer core balls or a ball made with a laminated construction as described in U.S. Pat. No. 6,056,842, which is incorporated by reference herein in its entirety.

[0018] As previously stated, in the manufacture of golf balls, all golf balls have a slight cure gradient that is created by the very nature of the cure conditions, which is heating from the outside in. The cure conditions are optimized to create the cure with the most uniformity for the given construction. If cure gradients that have large differences were desired or if materials that are not typical of the art were desired, then they could be achieved with high molding temperatures for long periods of time (i.e. 175° C. for 30 minutes).

[0019] The present invention employs...

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Abstract

This invention is directed to a golf ball having a foamed layer and the method for creating the foamed layer by the heating of blowing agents with infrared radiation. Either physical blowing agents can be de-volatized, or chemical blowing agents (both organic and inorganic) may be decomposed wherein the blowing agents are generated within the layer. The resultant layer is less dense than the core layer beneath it.

Description

CROSS-REFERENCE TO RELATED APPLICATION [0001] This application is a continuation-in-part of co-pending U.S. application Ser. No. 10 / 341,572, which was a divisional of co-pending U.S. application Ser. No. 10 / 141,481 which was filed May 8, 2002, and now is U.S. Pat. No. 6,855,070, and is incorporated herein in its entirety by express reference thereto.FIELD OF THE INVENTION [0002] This invention relates to the utilization of infrared radiation to form a foamed layer, cross-linking an intermediate layer, and post-curing a cover layer. BACKGROUND OF THE INVENTION [0003] Generally, golf balls have been classified as wound balls or solid balls. Wound balls are generally constructed from a liquid or solid center surrounded by tensioned elastomeric material. Wound balls are generally thought of as performance golf balls and have a good resiliency, spin characteristics and feel when struck by a golf club. However, wound balls are generally difficult to manufacture when compared to solid golf...

Claims

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Application Information

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IPC IPC(8): A63B37/04
CPCA63B37/0063A63B37/0064A63B37/0074A63B37/0075B29L2031/54B29C35/0805B29C2035/0822B29K2105/243B29C35/0266
Inventor SULLIVAN, MICHAEL J.HOGGE, MATTHEW F.LADD, DEREK A.
Owner ACUSHNET CO
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