DE9211769U1 - Druckgefüllter Tennisball - Google Patents

Druckgefüllter Tennisball

Info

Publication number
DE9211769U1
DE9211769U1 DE9211769U DE9211769U DE9211769U1 DE 9211769 U1 DE9211769 U1 DE 9211769U1 DE 9211769 U DE9211769 U DE 9211769U DE 9211769 U DE9211769 U DE 9211769U DE 9211769 U1 DE9211769 U1 DE 9211769U1
Authority
DE
Germany
Prior art keywords
barrier layer
diffusion barrier
tennis ball
wall
ball according
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
DE9211769U
Other languages
German (de)
English (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.)
Dunlop 6450 Hanau De GmbH
Original Assignee
Dunlop 6450 Hanau De GmbH
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 Dunlop 6450 Hanau De GmbH filed Critical Dunlop 6450 Hanau De GmbH
Priority to DE9211769U priority Critical patent/DE9211769U1/de
Publication of DE9211769U1 publication Critical patent/DE9211769U1/de
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
    • 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
    • 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
    • A63B2039/022—Arrangements for maintaining the pressure using special gas-impermeable layers

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Laminated Bodies (AREA)
DE9211769U 1992-07-25 1992-07-25 Druckgefüllter Tennisball Expired - Lifetime DE9211769U1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE9211769U DE9211769U1 (de) 1992-07-25 1992-07-25 Druckgefüllter Tennisball

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4224705A DE4224705C1 (de) 1992-07-25 1992-07-25 Druckgefüllter Tennisball
DE9211769U DE9211769U1 (de) 1992-07-25 1992-07-25 Druckgefüllter Tennisball

Publications (1)

Publication Number Publication Date
DE9211769U1 true DE9211769U1 (de) 1993-01-14

Family

ID=6464160

Family Applications (2)

Application Number Title Priority Date Filing Date
DE9211769U Expired - Lifetime DE9211769U1 (de) 1992-07-25 1992-07-25 Druckgefüllter Tennisball
DE4224705A Expired - Fee Related DE4224705C1 (de) 1992-07-25 1992-07-25 Druckgefüllter Tennisball

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE4224705A Expired - Fee Related DE4224705C1 (de) 1992-07-25 1992-07-25 Druckgefüllter Tennisball

Country Status (6)

Country Link
EP (1) EP0652793A1 (OSRAM)
JP (1) JPH07508907A (OSRAM)
KR (1) KR950702132A (OSRAM)
DE (2) DE9211769U1 (OSRAM)
TW (1) TW245644B (OSRAM)
WO (1) WO1994002215A1 (OSRAM)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5593157A (en) * 1995-05-10 1997-01-14 Gencorp Inc. Long life, low air permeable pressurized articles such as play balls

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE556255C (de) * 1929-09-24 1932-08-05 Kalle & Co Akt Ges Hohlbaelle aus Gummi, die mit Luft oder Gas gefuellt sind, insbesondere Tennisbaelle
DE812236C (de) * 1949-07-20 1951-08-27 Continental Gummi Werke Ag Spiel- oder Sportball und Verfahren zur Herstellung
DE2619355A1 (de) * 1975-04-30 1976-11-11 Dunlop Ltd Spielball
US4830370A (en) * 1987-12-21 1989-05-16 Schlesinger Robert M Game ball

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2527458A1 (fr) * 1982-05-27 1983-12-02 Soulie Louis Balles et ballons ayant un coefficient de restitution meilleur et une duree de vie plus longue

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE556255C (de) * 1929-09-24 1932-08-05 Kalle & Co Akt Ges Hohlbaelle aus Gummi, die mit Luft oder Gas gefuellt sind, insbesondere Tennisbaelle
DE812236C (de) * 1949-07-20 1951-08-27 Continental Gummi Werke Ag Spiel- oder Sportball und Verfahren zur Herstellung
DE2619355A1 (de) * 1975-04-30 1976-11-11 Dunlop Ltd Spielball
GB1508493A (en) * 1975-04-30 1978-04-26 Dunlop Ltd Tennis balls
US4830370A (en) * 1987-12-21 1989-05-16 Schlesinger Robert M Game ball

Also Published As

Publication number Publication date
KR950702132A (ko) 1995-06-19
EP0652793A1 (de) 1995-05-17
DE4224705C1 (de) 1993-11-25
TW245644B (OSRAM) 1995-04-21
WO1994002215A1 (de) 1994-02-03
JPH07508907A (ja) 1995-10-05

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