JPS602561U - hard tennis ball - Google Patents

hard tennis ball

Info

Publication number
JPS602561U
JPS602561U JP9528183U JP9528183U JPS602561U JP S602561 U JPS602561 U JP S602561U JP 9528183 U JP9528183 U JP 9528183U JP 9528183 U JP9528183 U JP 9528183U JP S602561 U JPS602561 U JP S602561U
Authority
JP
Japan
Prior art keywords
tennis ball
hard tennis
ball
rubber
hard
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
JP9528183U
Other languages
Japanese (ja)
Inventor
岡崎　康高
Original Assignee
日満ゴム工業株式会社
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 by 日満ゴム工業株式会社 filed Critical 日満ゴム工業株式会社
Priority to JP9528183U priority Critical patent/JPS602561U/en
Publication of JPS602561U publication Critical patent/JPS602561U/en
Pending legal-status Critical Current

Links

Landscapes

  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Pens And Brushes (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は実施例における垂直断面図。 １・・・メルトン、２・・・ゴム球、３・・・特殊合成
コム（ポリイソブチレン）。FIG. 1 is a vertical sectional view of the embodiment. 1...Melton, 2...Rubber bulb, 3...Special synthetic comb (polyisobutylene).

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ゴムとメルトン１で構成された硬式テニスボールのゴム
球２部分内面に対して、特殊合成ゴム３をコーティング
し、ガス透過による内圧の減少を防止する事により、長
期間ボールの初期性能を維持できる画期的な硬式テニス
ボールである。A special synthetic rubber 3 is coated on the inner surface of the rubber ball 2 of a hard tennis ball, which is composed of rubber and Melton 1, to prevent the internal pressure from decreasing due to gas permeation, thereby maintaining the initial performance of the ball for a long period of time. This is a revolutionary hard tennis ball.
JP9528183U 1983-06-20 1983-06-20 hard tennis ball Pending JPS602561U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9528183U JPS602561U (en) 1983-06-20 1983-06-20 hard tennis ball

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9528183U JPS602561U (en) 1983-06-20 1983-06-20 hard tennis ball

Publications (1)

Publication Number Publication Date
JPS602561U true JPS602561U (en) 1985-01-10

Family

ID=30227614

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9528183U Pending JPS602561U (en) 1983-06-20 1983-06-20 hard tennis ball

Country Status (1)

Country Link
JP (1) JPS602561U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011116441A (en) * 2009-12-07 2011-06-16 Shigeo Nakagawa Pressurization case for tennis ball storage

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5272639A (en) * 1975-12-12 1977-06-17 Sumitomo Rubber Ind Hard tennis ball

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5272639A (en) * 1975-12-12 1977-06-17 Sumitomo Rubber Ind Hard tennis ball

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011116441A (en) * 2009-12-07 2011-06-16 Shigeo Nakagawa Pressurization case for tennis ball storage

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