FR2448427A1 - Procede et appareil pour obtenir un melange de gaz homogene dans un moule a balles de jeu, en particulier dans un moule a balles de tennis - Google Patents
Procede et appareil pour obtenir un melange de gaz homogene dans un moule a balles de jeu, en particulier dans un moule a balles de tennisInfo
- Publication number
- FR2448427A1 FR2448427A1 FR8001493A FR8001493A FR2448427A1 FR 2448427 A1 FR2448427 A1 FR 2448427A1 FR 8001493 A FR8001493 A FR 8001493A FR 8001493 A FR8001493 A FR 8001493A FR 2448427 A1 FR2448427 A1 FR 2448427A1
- Authority
- FR
- France
- Prior art keywords
- mold
- ball mold
- gas
- gas mixture
- obtaining
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D22/00—Producing hollow articles
- B29D22/04—Spherical articles, e.g. balls
-
- 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)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Toys (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Absorbent Articles And Supports Therefor (AREA)
Abstract
PROCEDE ET APPAREIL POUR REPARTIR RAPIDEMENT UN MELANGE DE GAZ DANS LA TOTALITE D'UN MOULE 10 A BALLES DE JEU, LE MELANGE GAZEUX COMPRENANT DE L'AIR AVEC UN GAZ QUI TRAVERSE PEU LA PAROI DES BALLES (GAZ DIT PEU PENETRANT). POUR REPARTIR DE MANIERE HOMOGENE LE GAZ PEU PENETRANT DANS LA TOTALITE DU MOULE, ON COMMENCE PAR EVACUER PARTIELLEMENT L'AIR DU MOULE, PUIS ON Y INJECTE LE MELANGE GAZEUX. CETTE INVENTION EST PARTICULIEREMENT APPLICABLE ET INTERESSANTE POUR LA MISE EN PRESSION DE CORPS DE BALLES DE TENNIS QUI SONT PLACES EN DEUX MOITIES 7 DANS DES CAVITES 4 DU MOULE, LEUR SERVANT DE LOGEMENT.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/010,767 US4248275A (en) | 1979-02-09 | 1979-02-09 | Method for obtaining uniformly mixed gases in a ball mold |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2448427A1 true FR2448427A1 (fr) | 1980-09-05 |
FR2448427B1 FR2448427B1 (fr) | 1983-12-16 |
Family
ID=21747311
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8001493A Granted FR2448427A1 (fr) | 1979-02-09 | 1980-01-24 | Procede et appareil pour obtenir un melange de gaz homogene dans un moule a balles de jeu, en particulier dans un moule a balles de tennis |
Country Status (10)
Country | Link |
---|---|
US (1) | US4248275A (fr) |
JP (1) | JPS55107445A (fr) |
AR (1) | AR220240A1 (fr) |
BR (1) | BR8000529A (fr) |
DE (1) | DE2948357C2 (fr) |
ES (1) | ES488334A1 (fr) |
FR (1) | FR2448427A1 (fr) |
GB (1) | GB2042407B (fr) |
IT (1) | IT1194599B (fr) |
SE (1) | SE446246B (fr) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4447373A (en) * | 1982-02-16 | 1984-05-08 | The Procter & Gamble Company | Process for making filled articles from polymeric material |
WO1987004148A1 (fr) * | 1986-01-06 | 1987-07-16 | Mallinckrodt, Inc. | Procede catalytique de production de composes fluoroaromatiques en utilisant des sels de pyridinium a chaine alcoyle ramifiee |
US4894488A (en) * | 1988-03-21 | 1990-01-16 | Comm/Scope, Inc. | High frequency signal cable with improved electrical dissipation factor and method of producing same |
GB2239229A (en) * | 1989-12-22 | 1991-06-26 | Grace W R & Co | Vacuum packaging apparatus |
US7658211B1 (en) * | 2007-06-19 | 2010-02-09 | Dirst William F | Tennis ball recharging apparatus method |
US8627859B2 (en) * | 2007-06-19 | 2014-01-14 | Rebounces, Llc | Apparatus for recharging tennis balls and method |
US8029394B2 (en) * | 2009-03-04 | 2011-10-04 | Tachikara Usa, Inc. | Game ball with noise suppression disk |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2028096A1 (de) * | 1970-06-08 | 1971-12-16 | Unilever N.V., Rotterdam (Niederlande) | Verfahren zum sauerstoffreien Abfüllen von Flüssigkeiten |
BE869287A (fr) * | 1977-08-01 | 1978-11-16 | Gen Tire & Rubber Cy | Balle a jouer gonflee tenant longtemps la pression et peu bruyante |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ZA738777B (en) | 1973-01-18 | 1974-10-30 | Gen Tire & Rubber Co | Tennis ball inflation |
US4098504A (en) * | 1975-10-31 | 1978-07-04 | The General Tire & Rubber Company | Tennis ball |
US4166484A (en) * | 1978-01-20 | 1979-09-04 | The General Tire & Rubber Company | Method and apparatus for mixing gases in a closed chamber |
-
1979
- 1979-02-09 US US06/010,767 patent/US4248275A/en not_active Expired - Lifetime
- 1979-11-30 DE DE2948357A patent/DE2948357C2/de not_active Expired
- 1979-12-04 AR AR279156A patent/AR220240A1/es active
- 1979-12-07 IT IT27971/79A patent/IT1194599B/it active
- 1979-12-24 GB GB7944378A patent/GB2042407B/en not_active Expired
-
1980
- 1980-01-09 JP JP64180A patent/JPS55107445A/ja active Granted
- 1980-01-11 SE SE8000254A patent/SE446246B/sv not_active IP Right Cessation
- 1980-01-24 FR FR8001493A patent/FR2448427A1/fr active Granted
- 1980-01-28 BR BR8000529A patent/BR8000529A/pt unknown
- 1980-02-07 ES ES488334A patent/ES488334A1/es not_active Expired
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2028096A1 (de) * | 1970-06-08 | 1971-12-16 | Unilever N.V., Rotterdam (Niederlande) | Verfahren zum sauerstoffreien Abfüllen von Flüssigkeiten |
BE869287A (fr) * | 1977-08-01 | 1978-11-16 | Gen Tire & Rubber Cy | Balle a jouer gonflee tenant longtemps la pression et peu bruyante |
Also Published As
Publication number | Publication date |
---|---|
GB2042407A (en) | 1980-09-24 |
IT7927971A0 (it) | 1979-12-07 |
GB2042407B (en) | 1982-11-24 |
ES488334A1 (es) | 1980-09-16 |
SE8000254L (sv) | 1980-08-10 |
DE2948357A1 (de) | 1980-08-14 |
JPS5645382B2 (fr) | 1981-10-26 |
IT1194599B (it) | 1988-09-22 |
AR220240A1 (es) | 1980-10-15 |
SE446246B (sv) | 1986-08-25 |
JPS55107445A (en) | 1980-08-18 |
BR8000529A (pt) | 1980-10-14 |
FR2448427B1 (fr) | 1983-12-16 |
DE2948357C2 (de) | 1983-12-22 |
US4248275A (en) | 1981-02-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |