EP0652793A1 - Druckgefüllter tennisball - Google Patents

Druckgefüllter tennisball

Info

Publication number
EP0652793A1
EP0652793A1 EP93914698A EP93914698A EP0652793A1 EP 0652793 A1 EP0652793 A1 EP 0652793A1 EP 93914698 A EP93914698 A EP 93914698A EP 93914698 A EP93914698 A EP 93914698A EP 0652793 A1 EP0652793 A1 EP 0652793A1
Authority
EP
European Patent Office
Prior art keywords
tennis ball
wall
barrier layer
diffusion barrier
natural rubber
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.)
Withdrawn
Application number
EP93914698A
Other languages
German (de)
English (en)
French (fr)
Inventor
Werner Gies
Hans-Friedrich HEITZENRÖDER
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 GmbH and Co KG
Original Assignee
Dunlop GmbH and Co KG
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 GmbH and Co KG filed Critical Dunlop GmbH and Co KG
Publication of EP0652793A1 publication Critical patent/EP0652793A1/de
Withdrawn legal-status Critical Current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

Definitions

  • Suitable materials for the diffusion barrier layer according to the invention are, in particular, polymers such as polyvinylidene chloride, polychlorotrifluoroethylene, polyethylene terephthalate, polyamide, polyvinyl chloride, polyethylene, polystyrene, polyisobutylene or polypropylene, but also, for example, cellulose acetate, butyl rubber or neoprene and other materials ⁇ clear diffusion barrier properties for air.

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Laminated Bodies (AREA)
EP93914698A 1992-07-25 1993-06-23 Druckgefüllter tennisball Withdrawn EP0652793A1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4224705A DE4224705C1 (de) 1992-07-25 1992-07-25 Druckgefüllter Tennisball
DE4224705 1992-07-25
PCT/EP1993/001598 WO1994002215A1 (de) 1992-07-25 1993-06-23 Druckgefüllter tennisball

Publications (1)

Publication Number Publication Date
EP0652793A1 true EP0652793A1 (de) 1995-05-17

Family

ID=6464160

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93914698A Withdrawn EP0652793A1 (de) 1992-07-25 1993-06-23 Druckgefüllter tennisball

Country Status (6)

Country Link
EP (1) EP0652793A1 (zh)
JP (1) JPH07508907A (zh)
KR (1) KR950702132A (zh)
DE (2) DE4224705C1 (zh)
TW (1) TW245644B (zh)
WO (1) WO1994002215A1 (zh)

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

Family Cites Families (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
GB1508493A (en) * 1975-04-30 1978-04-26 Dunlop Ltd Tennis balls
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
US4830370A (en) * 1987-12-21 1989-05-16 Schlesinger Robert M Game ball

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9402215A1 *

Also Published As

Publication number Publication date
DE9211769U1 (zh) 1993-01-14
JPH07508907A (ja) 1995-10-05
WO1994002215A1 (de) 1994-02-03
TW245644B (zh) 1995-04-21
DE4224705C1 (de) 1993-11-25
KR950702132A (ko) 1995-06-19

Similar Documents

Publication Publication Date Title
DE2540016C2 (de) Mehrschichtenplatte mit einem Kern aus hartem Polyisocyanuratschaumstoff
DE60313068T2 (de) Polyurethanelastomere mit verbesserten physikalischen Eigenschaften und Verfahren zur Herstellung
DE1904145A1 (de) Behaelter
DE2328591A1 (de) Chirurgischer faden und verfahren zu dessen herstellung
DE19758546A1 (de) Fußball
DE2127582A1 (de) Verfahren zum Herstellen eines Gegenstandes aus Kunststoff
WO2018055079A1 (de) Verbund-objekt, umfassend einen körper und einen schaum und verfahren zu dessen herstellung
DE3039146A1 (de) Impraegnierungsmittel und seine verwendung
EP1174063A1 (de) Trennvorhang, insbesondere Trennvorhang für Sporthallen, Veranstaltungs- und Messehallen, Industriehallen, Säle od. dgl.
WO1994002215A1 (de) Druckgefüllter tennisball
EP1812741B1 (de) Kunststoffrohr
DE2727350C2 (de) Tennisball
DE1453057A1 (de) Kegelkugel und Verfahren zu ihrer Herstellung
DE202012000284U1 (de) Vorgefertigtes laminiertes modulares Element für Böden
DE4339677A1 (de) Verwendung eines Verbundstoffes zur Herstellung von Sportbällen
DE3503270A1 (de) Schalldaempfer, insbesondere fuer abblasventile
DE102011077149B4 (de) Kompositbauteil
DE1629808A1 (de) Verfahren zum kontinuierlichen Giessen von geschaeumten Schichtstoffen
DE4319175C2 (de) Flachsfaserdämmvlies
EP4077517A1 (de) Artikel mit einem ein- oder mehrschichtigen grundkörper mit elastischen eigenschaften, verfahren zur herstellung eines artikels und verwendung von aluminiumhydroxid als verstärkenden füllstoff in einer kautschukmischung
DE19525414A1 (de) Hockeypuckkonstruktion und Verfahren für seine Herstellung
DE2408604A1 (de) Schlagkappe fuer federbaelle
EP0997171B1 (de) Würfel
EP0398023A1 (de) Drainageelement in Plattenform zum Einbau unter feuchtigkeitsbelastete Fussböden
DE4420057A1 (de) Fasermatte

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19950217

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT CH ES FR GB IT LI NL SE

17Q First examination report despatched

Effective date: 19960130

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19960611