EP0652793A1 - Druckgefüllter tennisball - Google Patents
Druckgefüllter tennisballInfo
- 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- Withdrawn
Links
- 238000009792 diffusion process Methods 0.000 claims abstract description 34
- 244000043261 Hevea brasiliensis Species 0.000 claims abstract description 16
- 229920003052 natural elastomer Polymers 0.000 claims abstract description 16
- 229920001194 natural rubber Polymers 0.000 claims abstract description 16
- 239000000203 mixture Substances 0.000 claims abstract description 11
- 229920001971 elastomer Polymers 0.000 claims abstract description 5
- 230000035699 permeability Effects 0.000 claims abstract description 5
- 239000004033 plastic Substances 0.000 claims abstract description 3
- 229920003023 plastic Polymers 0.000 claims abstract description 3
- 230000004888 barrier function Effects 0.000 claims description 27
- 239000000463 material Substances 0.000 claims description 9
- -1 polychlorotrifluoroethylene Polymers 0.000 claims description 8
- 229920000642 polymer Polymers 0.000 claims description 5
- 239000004952 Polyamide Substances 0.000 claims description 2
- 239000004698 Polyethylene Substances 0.000 claims description 2
- 229920002367 Polyisobutene Polymers 0.000 claims description 2
- 239000004743 Polypropylene Substances 0.000 claims description 2
- 239000004793 Polystyrene Substances 0.000 claims description 2
- 229920005549 butyl rubber Polymers 0.000 claims description 2
- 229920002301 cellulose acetate Polymers 0.000 claims description 2
- 229920001084 poly(chloroprene) Polymers 0.000 claims description 2
- 229920002493 poly(chlorotrifluoroethylene) Polymers 0.000 claims description 2
- 229920002647 polyamide Polymers 0.000 claims description 2
- 239000005023 polychlorotrifluoroethylene (PCTFE) polymer Substances 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 2
- 229920001155 polypropylene Polymers 0.000 claims description 2
- 229920002223 polystyrene Polymers 0.000 claims description 2
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 2
- 239000004800 polyvinyl chloride Substances 0.000 claims description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims 1
- 239000000460 chlorine Substances 0.000 claims 1
- 229910052801 chlorine Inorganic materials 0.000 claims 1
- 229920000131 polyvinylidene Polymers 0.000 claims 1
- 230000000903 blocking effect Effects 0.000 abstract 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 3
- 229920001328 Polyvinylidene chloride Polymers 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000005033 polyvinylidene chloride Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4224705 | 1992-07-25 | ||
| DE4224705A DE4224705C1 (de) | 1992-07-25 | 1992-07-25 | Druckgefüllter Tennisball |
| 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 (enrdf_load_stackoverflow) |
| JP (1) | JPH07508907A (enrdf_load_stackoverflow) |
| KR (1) | KR950702132A (enrdf_load_stackoverflow) |
| DE (2) | DE9211769U1 (enrdf_load_stackoverflow) |
| TW (1) | TW245644B (enrdf_load_stackoverflow) |
| WO (1) | WO1994002215A1 (enrdf_load_stackoverflow) |
Families Citing this family (1)
| 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)
| 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 |
-
1992
- 1992-07-25 DE DE9211769U patent/DE9211769U1/de not_active Expired - Lifetime
- 1992-07-25 DE DE4224705A patent/DE4224705C1/de not_active Expired - Fee Related
-
1993
- 1993-06-02 TW TW082104408A patent/TW245644B/zh active
- 1993-06-23 EP EP93914698A patent/EP0652793A1/de not_active Withdrawn
- 1993-06-23 JP JP6504101A patent/JPH07508907A/ja active Pending
- 1993-06-23 WO PCT/EP1993/001598 patent/WO1994002215A1/de not_active Application Discontinuation
-
1994
- 1994-12-22 KR KR1019940704686A patent/KR950702132A/ko not_active Withdrawn
Non-Patent Citations (1)
| Title |
|---|
| See references of WO9402215A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE4224705C1 (de) | 1993-11-25 |
| KR950702132A (ko) | 1995-06-19 |
| JPH07508907A (ja) | 1995-10-05 |
| TW245644B (enrdf_load_stackoverflow) | 1995-04-21 |
| DE9211769U1 (de) | 1993-01-14 |
| WO1994002215A1 (de) | 1994-02-03 |
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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 |