ZA843893B - Pressureless tennis ball - Google Patents

Pressureless tennis ball

Info

Publication number
ZA843893B
ZA843893B ZA843893A ZA843893A ZA843893B ZA 843893 B ZA843893 B ZA 843893B ZA 843893 A ZA843893 A ZA 843893A ZA 843893 A ZA843893 A ZA 843893A ZA 843893 B ZA843893 B ZA 843893B
Authority
ZA
South Africa
Prior art keywords
tennis ball
pressureless tennis
pressureless
ball
tennis
Prior art date
Application number
ZA843893A
Other languages
English (en)
Inventor
Kuniyasu Horiuchi
Masao Nakamura
Original Assignee
Sumitomo Rubber Ind
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 Sumitomo Rubber Ind filed Critical Sumitomo Rubber Ind
Publication of ZA843893B publication Critical patent/ZA843893B/xx

Links

Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B39/00—Hollow non-inflatable balls, i.e. having no valves
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B39/00—Hollow non-inflatable balls, i.e. having no valves
    • A63B2039/003—Hollow non-inflatable balls, i.e. having no valves substantially hollow and pressureless
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S524/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S524/908—Composition having specified shape, e.g. rod, stick, or ball, and other than sheet, film, or fiber

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
ZA843893A 1983-11-14 1984-05-23 Pressureless tennis ball ZA843893B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58214664A JPS60106470A (ja) 1983-11-14 1983-11-14 無圧テニスボ−ル

Publications (1)

Publication Number Publication Date
ZA843893B true ZA843893B (en) 1985-01-30

Family

ID=16659515

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA843893A ZA843893B (en) 1983-11-14 1984-05-23 Pressureless tennis ball

Country Status (6)

Country Link
US (1) US4580781A (en, 2012)
JP (1) JPS60106470A (en, 2012)
DE (1) DE3419226A1 (en, 2012)
FR (1) FR2554722B1 (en, 2012)
GB (1) GB2149671B (en, 2012)
ZA (1) ZA843893B (en, 2012)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60106471A (ja) * 1983-11-15 1985-06-11 住友ゴム工業株式会社 テニスボ−ル用コア
FR2640880A1 (en) * 1988-12-22 1990-06-29 Shemsy Sa Improved tennis ball, new pressureless structure, and process for its manufacture
JPH048374A (ja) * 1990-04-25 1992-01-13 Sumitomo Rubber Ind Ltd 無圧テニスボールの中空コア用ゴム組成物
JP2764643B2 (ja) * 1990-06-01 1998-06-11 住友ゴム工業株式会社 無圧テニスボール
JP2558559B2 (ja) * 1991-05-10 1996-11-27 住友ゴム工業株式会社 無圧テニスボール
US5558325A (en) * 1993-08-05 1996-09-24 Gencorp Inc. Play balls or pressureless tennis balls
US6030304A (en) * 1996-03-12 2000-02-29 Wilson Sporting Goods Co. Pressureless tennis ball
JP5960732B2 (ja) 2013-07-05 2016-08-02 住友ゴム工業株式会社 タイヤ用ゴム組成物及び空気入りタイヤ
FR3069170B1 (fr) 2017-07-20 2019-08-16 Joel Carton Balle de tennis comprenant un moyen d'avertissement
US10918913B2 (en) * 2018-08-28 2021-02-16 Wilson Sporting Goods Co. Tennis ball
US11951360B2 (en) 2018-08-28 2024-04-09 Wilson Sporting Goods Co. Tennis ball
US11192001B2 (en) * 2020-02-11 2021-12-07 Wilson Sporting Goods Co. Tennis ball having a thermoplastic core

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1108557A (en) * 1964-07-09 1968-04-03 Dunlop Co Ltd Improvements in and relating to playballs
US3423337A (en) * 1965-04-30 1969-01-21 Scott Paper Co Liquid reticulation of polyurethane foams
BE757424A (fr) * 1969-10-21 1971-04-13 Inst Francais Du Petrole Nouvelles compositions renfermant du polybutadiene-1,2 amorphe
US3935180A (en) * 1971-12-21 1976-01-27 Ube Industries, Ltd. Polybutadiene and process for producing same
GB1538804A (en) * 1976-03-12 1979-01-24 Univ Southern Australia Electric power control system
US4145045A (en) * 1977-08-08 1979-03-20 Colgate-Palmolive Company Pressureless tennis ball
GB2038643B (en) * 1979-01-12 1983-03-23 Dunlop Ltd Cores for tennis-balls
US4306719A (en) * 1979-01-12 1981-12-22 Dunlop Limited Cores for tennis balls
JPS5821434A (ja) * 1981-07-31 1983-02-08 Japan Synthetic Rubber Co Ltd ポリブタジエンゴム組成物

Also Published As

Publication number Publication date
US4580781A (en) 1986-04-08
GB2149671A (en) 1985-06-19
FR2554722B1 (fr) 1987-03-20
JPS60106470A (ja) 1985-06-11
GB2149671B (en) 1987-08-19
JPH0263021B2 (en, 2012) 1990-12-27
DE3419226C2 (en, 2012) 1991-05-02
GB8412366D0 (en) 1984-06-20
DE3419226A1 (de) 1985-05-30
FR2554722A1 (fr) 1985-05-17

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