FR2496469B1 - TENNIS BALL AND ITS MANUFACTURING METHOD - Google Patents

TENNIS BALL AND ITS MANUFACTURING METHOD

Info

Publication number
FR2496469B1
FR2496469B1 FR818123754A FR8123754A FR2496469B1 FR 2496469 B1 FR2496469 B1 FR 2496469B1 FR 818123754 A FR818123754 A FR 818123754A FR 8123754 A FR8123754 A FR 8123754A FR 2496469 B1 FR2496469 B1 FR 2496469B1
Authority
FR
France
Prior art keywords
manufacturing
tennis ball
tennis
ball
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.)
Expired - Lifetime
Application number
FR818123754A
Other languages
French (fr)
Other versions
FR2496469A1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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
Priority claimed from US06/218,169 external-priority patent/US4327912A/en
Application filed by Individual filed Critical Individual
Publication of FR2496469A1 publication Critical patent/FR2496469A1/en
Application granted granted Critical
Publication of FR2496469B1 publication Critical patent/FR2496469B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • A63B39/02—Arrangements for maintaining the pressure
    • A63B39/04—Pricking-balls; Tools for blowing them up
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00—Check valves
    • F16K15/14—Check valves with flexible valve members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00—Check valves
    • F16K15/20—Check valves specially designed for inflatable bodies, e.g. tyres
    • F16K15/202—Check valves specially designed for inflatable bodies, e.g. tyres and with flexible valve member

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Check Valves (AREA)
FR818123754A 1980-12-19 1981-12-18 TENNIS BALL AND ITS MANUFACTURING METHOD Expired - Lifetime FR2496469B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/218,169 US4327912A (en) 1978-04-10 1980-12-19 Tennis ball
US31234881A 1981-10-20 1981-10-20

Publications (2)

Publication Number Publication Date
FR2496469A1 FR2496469A1 (en) 1982-06-25
FR2496469B1 true FR2496469B1 (en) 1990-02-02

Family

ID=26912634

Family Applications (1)

Application Number Title Priority Date Filing Date
FR818123754A Expired - Lifetime FR2496469B1 (en) 1980-12-19 1981-12-18 TENNIS BALL AND ITS MANUFACTURING METHOD

Country Status (4)

Country Link
CA (1) CA1196353A (en)
FR (1) FR2496469B1 (en)
GB (1) GB2089664B (en)
IT (1) IT1210597B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9107864D0 (en) * 1991-04-12 1991-05-29 Raychem Sa Nv Environmental sealing
US5474099A (en) * 1994-12-23 1995-12-12 Vernay Laboratories, Inc. Non-stick treatment for elastomeric slit valves
CN114110446A (en) * 2021-12-03 2022-03-01 江西塔罗亚科技股份有限公司 Buckle formula LED light source drive integration lamp

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB617664A (en) * 1945-10-17 1949-02-09 Dunlop Rubber Co Improvements relating to rubber play balls
US2830610A (en) * 1955-03-09 1958-04-15 Barr Rubber Products Company Valve for play balls
US3422844A (en) * 1965-03-05 1969-01-21 Grimar Inc Flexible check valve
US4240630A (en) * 1978-04-10 1980-12-23 Hoffman Allan C Game ball check valve
JPS55101156U (en) * 1978-12-29 1980-07-14

Also Published As

Publication number Publication date
CA1196353A (en) 1985-11-05
FR2496469A1 (en) 1982-06-25
IT8149963A0 (en) 1981-12-21
GB2089664B (en) 1984-08-22
IT1210597B (en) 1989-09-14
GB2089664A (en) 1982-06-30

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse