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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)
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)
  • Pens And Brushes (AREA)
  • Rolls And Other Rotary Bodies (AREA)

Description

BERLIN. GEDRUCKT IN DER REIOHSDRUCKEItEI.BERLIN. PRINTED IN THE PRINTING EQUIPMENT.

Claims (1)

Patent- Anspruch :Patent claim: Verfahren zum Prallmachen schlaff gewordener hohler Gummibälle, dadurch gekennzeichnet, daß die Bälle in einen Raum gebraucht werden, der ein durch Gummi gut diffundierendes Gas enthält, dessen Partialdruck außerhalb des Balles größer als innerhalb desselben ist.Method for rebounding slackened hollow rubber balls, characterized in that, that the balls are used in a room that contains a gas that diffuses well through rubber, whose partial pressure outside the ball is greater than inside it.
DENDAT235292D Active DE235292C (en)

Publications (1)

Publication Number Publication Date
DE235292C true DE235292C (en)

Family

ID=495084

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT235292D Active DE235292C (en)

Country Status (1)

Country Link
DE (1) DE235292C (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2801197A1 (en) * 1977-01-14 1978-07-20 Marion F Rudy INFLATABLE PAD FOR FOOTWEAR
DE2918096A1 (en) * 1978-05-05 1979-11-15 Marion F Rudy SELF-VENTILATING ARRANGEMENT
DE2756631C2 (en) * 1977-12-19 1982-06-16 The General Tire & Rubber Co., 44329 Akron, Ohio Pressurized match ball
EP2648813A2 (en) * 2010-01-12 2013-10-16 William F. Dirst Apparatus, system and method for recharging tennis balls

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2801197A1 (en) * 1977-01-14 1978-07-20 Marion F Rudy INFLATABLE PAD FOR FOOTWEAR
DE2756631C2 (en) * 1977-12-19 1982-06-16 The General Tire & Rubber Co., 44329 Akron, Ohio Pressurized match ball
DE2918096A1 (en) * 1978-05-05 1979-11-15 Marion F Rudy SELF-VENTILATING ARRANGEMENT
EP2648813A2 (en) * 2010-01-12 2013-10-16 William F. Dirst Apparatus, system and method for recharging tennis balls
EP2648813A4 (en) * 2010-01-12 2014-04-30 William F Dirst Apparatus, system and method for recharging tennis balls

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