CA1107783A - Ballon de sport gonfle a retention durable de l'air sous pression et a resonance sonique reduite - Google Patents

Ballon de sport gonfle a retention durable de l'air sous pression et a resonance sonique reduite

Info

Publication number
CA1107783A
CA1107783A CA308,274A CA308274A CA1107783A CA 1107783 A CA1107783 A CA 1107783A CA 308274 A CA308274 A CA 308274A CA 1107783 A CA1107783 A CA 1107783A
Authority
CA
Canada
Prior art keywords
ball
gas
air
pressurized
cavity
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
Application number
CA308,274A
Other languages
English (en)
Inventor
Raymond K. Ritzert
Thomas F. Reed
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.)
Aerojet Rocketdyne Holdings Inc
Original Assignee
General Tire and Rubber Co
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 General Tire and Rubber Co filed Critical General Tire and Rubber Co
Application granted granted Critical
Publication of CA1107783A publication Critical patent/CA1107783A/fr
Expired 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
    • 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
    • A63B39/027—Arrangements for maintaining the pressure using special inflation gases

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Toys (AREA)
CA308,274A 1977-08-01 1978-07-27 Ballon de sport gonfle a retention durable de l'air sous pression et a resonance sonique reduite Expired CA1107783A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US82100277A 1977-08-01 1977-08-01
US821,002 1977-08-01

Publications (1)

Publication Number Publication Date
CA1107783A true CA1107783A (fr) 1981-08-25

Family

ID=25232247

Family Applications (1)

Application Number Title Priority Date Filing Date
CA308,274A Expired CA1107783A (fr) 1977-08-01 1978-07-27 Ballon de sport gonfle a retention durable de l'air sous pression et a resonance sonique reduite

Country Status (9)

Country Link
JP (1) JPS5923223B2 (fr)
AU (1) AU503457B1 (fr)
BE (1) BE869287A (fr)
CA (1) CA1107783A (fr)
DE (1) DE2833733A1 (fr)
ES (1) ES472007A1 (fr)
FR (1) FR2399258A1 (fr)
GB (1) GB2001538B (fr)
IT (1) IT1097586B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4248275A (en) * 1979-02-09 1981-02-03 The General Tire & Rubber Company Method for obtaining uniformly mixed gases in a ball mold
EP0022961A1 (fr) * 1979-07-19 1981-01-28 Dunlop Limited Balle de jeu
JPS60183531U (ja) * 1984-05-14 1985-12-05 ミサワホ−ム株式会社 配線引込スリ−ブ
ZA85571B (en) * 1984-08-06 1985-09-25 Wilson Sporting Goods Large-diameter tennis ball
AR004306A1 (es) * 1995-11-10 1998-11-04 Tretorn Res And Dev Ltd Una pelota y metodo para fabricarla

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE153633C (fr) *
FR1335943A (fr) * 1962-10-12 1963-08-23 S E A Ets Balle ou ballon increvable
FR2044229A5 (fr) * 1969-05-13 1971-02-19 Delacoste & Cie
ZA738777B (en) * 1973-01-18 1974-10-30 Gen Tire & Rubber Co Tennis ball inflation
US4098504A (en) * 1975-10-31 1978-07-04 The General Tire & Rubber Company Tennis ball
FR2413097A1 (fr) * 1977-12-29 1979-07-27 Gen Tire & Rubber Co Balle de jeu gonflee a longue duree

Also Published As

Publication number Publication date
IT1097586B (it) 1985-08-31
JPS5923223B2 (ja) 1984-05-31
JPS5427831A (en) 1979-03-02
DE2833733A1 (de) 1979-02-15
FR2399258A1 (fr) 1979-03-02
IT7826347A0 (it) 1978-07-31
ES472007A1 (es) 1979-02-01
GB2001538A (en) 1979-02-07
FR2399258B1 (fr) 1983-01-21
AU503457B1 (en) 1979-09-06
GB2001538B (en) 1982-03-10
BE869287A (fr) 1978-11-16

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Legal Events

Date Code Title Description
MKEX Expiry