CH351528A - Inflatable ball made of rubber or plastic - Google Patents
Inflatable ball made of rubber or plasticInfo
- Publication number
- CH351528A CH351528A CH351528DA CH351528A CH 351528 A CH351528 A CH 351528A CH 351528D A CH351528D A CH 351528DA CH 351528 A CH351528 A CH 351528A
- Authority
- CH
- Switzerland
- Prior art keywords
- ball
- sack
- air
- valve
- rubber
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B41/00—Hollow inflatable balls
- A63B41/12—Tools or devices for blowing up or closing balls
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B41/00—Hollow inflatable balls
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/04—Check valves with guided rigid valve members shaped as balls
- F16K15/044—Check valves with guided rigid valve members shaped as balls spring-loaded
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/14—Check valves with flexible valve members
- F16K15/144—Check valves with flexible valve members the closure elements being fixed along all or a part of their periphery
- F16K15/147—Check valves with flexible valve members the closure elements being fixed along all or a part of their periphery the closure elements having specially formed slits or being of an elongated easily collapsible form
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/20—Check valves specially designed for inflatable bodies, e.g. tyres
- F16K15/202—Check valves specially designed for inflatable bodies, e.g. tyres and with flexible valve member
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Check Valves (AREA)
Description
Aufblasbarer Ball aus Gummi oder Kunststoff Die Erfindung betrifft einen aufblasbaren Ball aus Gummi oder Kunststoff, mit einem Rückschlag- ventil für die einzublasende Luft.
Der erfindungsgemässe Ball zeichnet sich aus durch einen angepressten, dünnwandigen, gelochten Sack, der in das Ballinnere hineinragt und das Ventil zur Verhinderung des Entweichens der in den Ball hineingeblasenen Luft aufweist.
Die Zeichnung veranschaulicht drei Ausführungs beispiele der Erfindung und zwar stellt Fig. <B>1</B> das Ventil mit Kugel, Fig. 2 das Ventil mit Zwischenwand und Fig. <B>3</B> ein Ventil mit Gehäuse und federbelasteter Kugel dar.
An die unsteife Ballwand<B>1</B> aus Kunststoff oder Gummi ist der als Ventil dienende oder dieses auf nehmende dünnwandige Sack 2 angepresst, der an seinem in das Ballinnere hineinragenden Ende Luft- durchtrittslöcher <B>3</B> aufweist. Durch die zentrale öff- nung wird eine Kugel<B>5</B> von aussen her eingeschoben. Zum Aufblasen des Balles wird eine Luftpumpe in die öffnung <B>7</B> der Wandung eingesetzt. Beim Ein pumpen dehnt sich der Luftsack im Bereich der Ku gel<B>5,</B> so dass sie durch die Löcher<B>3</B> in den Ball ein treten kann.
Den Rückweg verhindert die Kugel<B>5,</B> da der Luftdruck im Ballinnern nicht ausreich t, den Luftsack zu dehnen.
Eine in den Sack eingesetzte Zwischenwand<B>6</B> nach Fig. 2 verhindert ein Entweichen der in das Ballinnere geblasenen Luft dadurch, dass der Innen druck den Sack zusammenpresst (siehe Fig. 2 gestri chelte Linien) und so die Löcher verdeckt.
Der Sack 2 ist dabei in seinem gelochten Teil so dünn ausgebildet, dass der Innendruck des Balles ge nügt, um zu bewirken, dass die sich gegenüberliegen den Wände zusammengedrückt werden. Unter Um- ständen und bei zueinander versetzten Löchern kann auf die Zwischenwand<B>6</B> auch verzichtet werden.
In Fig. <B>3</B> ist in den Sack 2 ein Ventilgehäuse<B>8</B> von aussen her eingesetzt, dessen obere öffnung <B>11</B> durch die Kugel<B>5,</B> die unter Einwirkung einer Feder <B>9</B> steht, abgesperrt ist. Die Löcher<B>3</B> im Luftsack korrespondieren mit den öffnungen 12 im Ventil gehäuse, die in den Raum des Ventilgehäuses ein münden, welcher näher beim Ballzentrum ]legt, als die Kugel<B>5.</B> Die Stirnwand des Gehäuses dient als Kugelsitz<B>10</B> und ist an dieser Stelle entsprechend ab gerundet.
Dieses Sperrmittel hat den Vorteil, dass durch Einführen eines Drahtes die Absperrkugel von ihrem Sitz abgehoben werden kann, so dass die Luft aus dem Ballinneren entweicht. Der Ball steht also nur unter Druck, solange er gebraucht wird. Bei Nicht gebrauch wird er entleert und dadurch geschont.
Inflatable Ball Made of Rubber or Plastic The invention relates to an inflatable ball made of rubber or plastic, with a non-return valve for the air to be injected.
The ball according to the invention is characterized by a pressed, thin-walled, perforated sack which protrudes into the interior of the ball and has the valve to prevent the air blown into the ball from escaping.
The drawing illustrates three exemplary embodiments of the invention, namely FIG. 1 shows the valve with a ball, FIG. 2 shows the valve with a partition and FIG. 3 shows a valve with a housing and spring-loaded Sphere.
The thin-walled sack 2 serving as a valve or receiving it is pressed onto the unstiff ball wall <B> 1 </B> made of plastic or rubber and has air passage holes <B> 3 </B> at its end protruding into the interior of the ball . A ball <B> 5 </B> is inserted from the outside through the central opening. To inflate the ball, an air pump is inserted into the opening 7 in the wall. When pumping in, the airbag expands in the area of the ball <B> 5 </B> so that it can enter the ball through the holes <B> 3 </B>.
The ball <B> 5 </B> prevents the return path because the air pressure inside the ball is not sufficient to stretch the airbag.
A partition <B> 6 </B> according to FIG. 2 inserted into the sack prevents the air blown into the inside of the ball from escaping by the fact that the internal pressure compresses the sack (see dashed lines in FIG. 2) and thus covers the holes .
The bag 2 is so thin in its perforated part that the internal pressure of the ball is sufficient to cause the opposing walls to be compressed. The partition <B> 6 </B> can also be dispensed with under certain circumstances and when the holes are offset from one another.
In FIG. 3, a valve housing 8 is inserted from the outside into the sack 2, the upper opening 11 of which is penetrated by the ball 5, </B> which is under the action of a spring <B> 9 </B> is locked. The holes <B> 3 </B> in the airbag correspond to the openings 12 in the valve housing, which open into the space of the valve housing, which is closer to the center of the ball than the ball <B> 5. </B> Die The end wall of the housing serves as a ball seat <B> 10 </B> and is rounded off accordingly at this point.
This locking means has the advantage that the locking ball can be lifted from its seat by inserting a wire, so that the air escapes from the inside of the ball. The ball is only under pressure while it is needed. When not in use, it is emptied and thus spared.
Claims (1)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE351528X | 1956-04-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH351528A true CH351528A (en) | 1961-01-15 |
Family
ID=6269296
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH351528D CH351528A (en) | 1956-04-03 | 1957-04-02 | Inflatable ball made of rubber or plastic |
Country Status (1)
Country | Link |
---|---|
CH (1) | CH351528A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2902624A1 (en) * | 1979-01-24 | 1980-07-31 | Pfeiffer Zerstaeuber | SPRAYER PUMP |
-
1957
- 1957-04-02 CH CH351528D patent/CH351528A/en unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2902624A1 (en) * | 1979-01-24 | 1980-07-31 | Pfeiffer Zerstaeuber | SPRAYER PUMP |
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