JPS61151756U - - Google Patents

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Publication number
JPS61151756U
JPS61151756U JP2664086U JP2664086U JPS61151756U JP S61151756 U JPS61151756 U JP S61151756U JP 2664086 U JP2664086 U JP 2664086U JP 2664086 U JP2664086 U JP 2664086U JP S61151756 U JPS61151756 U JP S61151756U
Authority
JP
Japan
Prior art keywords
elongation
inner tube
range
ball
stress
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2664086U
Other languages
English (en)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP2664086U priority Critical patent/JPS61151756U/ja
Publication of JPS61151756U publication Critical patent/JPS61151756U/ja
Pending legal-status Critical Current

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  • Materials For Medical Uses (AREA)

Description

【図面の簡単な説明】
第1図および第2図は従来のボールの断面図、
第3図は本考案の適用例を示すボールの断面図、
第4図は各種の基体材料の応力―歪曲線を示すグ
ラフである。 1はインナーチユーブ、2は接着剤層、3は外
部被覆層。

Claims (1)

    【実用新案登録請求の範囲】
  1. 熱可塑性ポリウレタンエラストマーよりなる中
    空球状のインナーチユーブの外面に外被材を層着
    してなる球技用ボールであつて、上記インナーチ
    ユーブは、伸び約5%に対し約50Kg/cm2以上
    の応力を有しかつ伸び約5%以下の範囲で応力―
    伸び特性の微分値が正であり、さらに上記インナ
    ーチユーブは、その応力―伸び特性が加硫ゴム製
    インナーチユーブより伸び約5%以下の範囲で小
    さくかつ伸び約5%以上の範囲で大きいことを特
    徴とする球技用ボール。
JP2664086U 1986-02-27 1986-02-27 Pending JPS61151756U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2664086U JPS61151756U (ja) 1986-02-27 1986-02-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2664086U JPS61151756U (ja) 1986-02-27 1986-02-27

Publications (1)

Publication Number Publication Date
JPS61151756U true JPS61151756U (ja) 1986-09-19

Family

ID=30522839

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2664086U Pending JPS61151756U (ja) 1986-02-27 1986-02-27

Country Status (1)

Country Link
JP (1) JPS61151756U (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS534634A (en) * 1975-10-30 1978-01-17 Sotrac Sports ball and method of making same

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS534634A (en) * 1975-10-30 1978-01-17 Sotrac Sports ball and method of making same

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