DE235292C - - Google Patents

Info

Publication number
DE235292C
DE235292C DENDAT235292D DE235292DA DE235292C DE 235292 C DE235292 C DE 235292C DE NDAT235292 D DENDAT235292 D DE NDAT235292D DE 235292D A DE235292D A DE 235292DA DE 235292 C DE235292 C DE 235292C
Authority
DE
Germany
Prior art keywords
balls
rubber
slackened
rebounding
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.)
Active
Application number
DENDAT235292D
Other languages
German (de)
English (en)
Publication of DE235292C publication Critical patent/DE235292C/de
Active 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
    • A63B39/025—Arrangements for maintaining the pressure using containers with pressurising means for balls not in use

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Pens And Brushes (AREA)
DENDAT235292D Active DE235292C (https=)

Publications (1)

Publication Number Publication Date
DE235292C true DE235292C (https=)

Family

ID=495084

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT235292D Active DE235292C (https=)

Country Status (1)

Country Link
DE (1) DE235292C (https=)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2801197A1 (de) * 1977-01-14 1978-07-20 Marion F Rudy Aufblaseinlage fuer fussbekleidung
DE2918096A1 (de) * 1978-05-05 1979-11-15 Marion F Rudy Selbst-belueftende anordnung
DE2756631C2 (de) * 1977-12-19 1982-06-16 The General Tire & Rubber Co., 44329 Akron, Ohio Unter Druck gesetzter Spielball
EP2648813A4 (en) * 2010-01-12 2014-04-30 William F Dirst DEVICE, SYSTEM AND METHOD FOR RECHARGING TENNIS BALLS

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2801197A1 (de) * 1977-01-14 1978-07-20 Marion F Rudy Aufblaseinlage fuer fussbekleidung
DE2756631C2 (de) * 1977-12-19 1982-06-16 The General Tire & Rubber Co., 44329 Akron, Ohio Unter Druck gesetzter Spielball
DE2918096A1 (de) * 1978-05-05 1979-11-15 Marion F Rudy Selbst-belueftende anordnung
EP2648813A4 (en) * 2010-01-12 2014-04-30 William F Dirst DEVICE, SYSTEM AND METHOD FOR RECHARGING TENNIS BALLS

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