Title:
多層カバーを有するゴルフボール
Document Type and Number:
Japanese Patent JP3512814
Kind Code:
B2
Abstract:
The present invention is directed towards a multi-layer golf ball cover formed by a sandwich injection molding process, wherein said golf ball cover comprises an inner layer and an outer layer of a first material and an intermediate layer therebetween of a second material. The present invention is directed towards a sandwich injection molding process for forming a multi-layer golf ball cover involving the steps of pushing a measured amount of a plasticized first material into one end of an accumulation cylinder, pushing a measured amount of a plasticized second material into the opposite end of the accumulation cylinder, and injecting both materials in a single plunging step, so that the first material substantially coats the surface of the mold while the second material substantially fills the interior of the first material.
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Inventors:
ラーミ ロバート エヌ
Application Number:
JP52173498A
Publication Date:
March 31, 2004
Filing Date:
November 06, 1997
Export Citation:
Assignee:
アクシュネット カンパニー
International Classes:
A63B37/00; A63B37/12; A63B45/00; B29C45/16; A63B47/00; (IPC1-7): A63B37/00; A63B37/12
Attorney, Agent or Firm:
中村 稔 （外７名）