EP3755467B1 - Filling device for bottles that are closed in an air-tight manner - Google Patents

Description

The invention relates to a filling device for a hermetically sealed bottle, with a bottle adapter, a container adapter and a storage container, the bottle adapter being at least indirectly connected to the bottle for liquid entry from the container. Adapter-equipped storage container, at least partially filled with liquid, can be connected, with a sealed liquid communication connection between a liquid output port of the container adapter and a liquid input port of the bottle adapter and between a gas input port of the container A sealed gas communication connection is provided between the adapter and a gas output port of the bottle adapter, wherein a Indirect, releasably fixed plug connection of the adapter block of the bottle adapter to the adapter body of the container adapter is created by, on the one hand, forming a liquid communication connection between the bottle adapter and the container adapter as a first sealed flexible hose and, on the other hand, a gas Communication connection between the container adapter and the bottle adapter is designed as a second gas-tight flexible hose, and wherein the inner diameter of the first hose is larger than the inner diameter of the second hose, and wherein the liquid output port and the gas inlet port of the Container adapters are each designed as pipe end pieces with a predetermined outer diameter of a robust mechanical unit designed as an adapter body.

Filling devices for open bottles of the type mentioned above are known in a variety of forms in the prior art. However, the known filling devices have the disadvantage that filling processes are cumbersome to handle.

From the publication FR 2 802 447 A1 is known a rechargeable vaporizer system comprising a vaporizer for recharging into a liquid, provided with a head having an operable pump and a diffuser, and a reservoir containing the liquid.

• eine Quellflasche,
• eine wiederaufladbare mobile Flasche mit einer Abgabepumpe, wobei der Mobilflaschenkolben eine Kapazität aufweist, die geringer als die des Quellenkolbens ist;
• Verbindungsmittel zum Verbinden der beiden Flaschen miteinander, um den Mobilflaschenkolben mit dem Fluidprodukt des Quellkolbens zu füllen,
• wobei diese Verbindungsmittel einen Fluidprodukteinlass und einen Luftauslass am Kolben umfassen und einen Fluidproduktauslass und einen Lufteinlass am Mobilflaschenkolben, wobei die Verbindungsmittel einen internen Durchgang von Fluidprodukt definieren, der den Fluidprodukteinlass mit dem Auslass des Nomadenkolbens verbindet Fluidprodukt und einen inneren Luftkanal, der den Lufteinlass mit dem Luftauslass verbindet, und wobei
• die inneren Durchgänge von Fluid und Luft koaxial angeordnet sind, wobei der Luftdurchgang den Fluiddurchgang umgibt oder umgekehrt.

The publication WO 2012/140 366 A1 discloses a liquid product refill system containing:

• a spring bottle,
• a rechargeable mobile bottle having a dispensing pump, the mobile bottle plunger having a capacity less than that of the source plunger;
• Connecting means for connecting the two bottles together in order to fill the mobile bottle piston with the fluid product of the source piston,
• said connecting means comprising a fluid product inlet and an air outlet on the piston and a fluid product outlet and an air inlet on the mobile bottle piston, the connecting means defining an internal passage of fluid product connecting the fluid product inlet to the outlet of the nomadic piston fluid product and an internal air channel connecting the air inlet to the Air outlet connects, and where
• the internal passages of fluid and air are arranged coaxially, with the air passage surrounding the fluid passage or vice versa.

The publication US 2012/158 193 A1 discloses a packaging and dispensing device for a liquid or semi-liquid product comprising a movable spray head with at least a first reservoir feeding an outlet element and at least one fixed base comprising a second reservoir connectable via coupling means to the first reservoir of the movable spray head is to transfer the product from the second reservoir of the base to the first reservoir of the movable spray head, to at least enable the movable spray head to be refilled with product, a miniature electric pump, known as a transfer pump, driven by an electrical power supply device and controlled by a control device and between the first and second reservoirs arranged to enable the product to be conveyed through the coupling device, the coupling means comprising complementary two-way coupling elements, on the one hand comprising a first path capable of connecting a part of the second reservoir located below a second assigned product level is located to connect to the first reservoir. Another well-known filling device is in US 4,877,065 A described.

The object of the invention is to create a filling device for closed bottles, the handling of which is improved compared to the known filling devices.

For a filling device of the type mentioned at the beginning, this object is achieved according to the invention in that a pump is provided to pump liquid from the storage container into the bottle, the pump being designed as a hollow cylinder provided with a check valve in the area of a closed lower end face is, in the open upper end face of which a piston connected to a piston rod is inserted, which is reciprocally mounted in the hollow cylinder, a bore guided through the piston and the piston rod providing a fluid communication connection from the interior of the Container forms to the container adapter and a gas communication connection designed as a hose leads from the container adapter into the interior of the container, and a helical spring is provided, one end of which is supported in the area of the surface of the storage container and the other End adjoins a stop attached to the piston rod in order to return the piston rod and thus the piston to the neutral rest position following a transfer of the piston from a neutral rest position towards the closed end face of the hollow cylinder as part of a pumping process.

Preferred embodiments of the invention are the subject of the subclaims, the elements of which act to further improve the approach to solving the problem on which the invention is based.

In the filling device according to the invention, by providing a dual bottle adapter connected at least indirectly to the bottle for liquid entry from a storage container provided with a dual container adapter and at least partially filled with liquid, between a liquid output port a sealed liquid communication connection between a dual container adapter and a liquid input port of the dual bottle adapter, and a sealed gas communication connection between a gas input port of the dual tank adapter and a gas output port of the dual bottle adapter a filling process is provided Closed bottle enables gas or air to be discharged from the bottle to the extent that liquid is introduced, the discharged gas or air being introduced into the storage container and thus a corresponding quantitative gas or air entry into the storage container, in which a corresponding quantity of liquid is discharged.

According to a first preferred embodiment of the filling device according to the invention, it is provided that the liquid outlet port of the container adapter is arranged within a robust mechanical unit designed as an adapter body at a predetermined distance from the gas inlet port of the container adapter.

Fig. 1

eine Befüll-Vorrichtung gemäß Stand der Technik in einer schematischen Querschnittsansicht;

Fig. 2

eine weitere Befüll-Vorrichtung gemäß Stand der Technik in einer schematischen Querschnittsansicht;

Fig. 3

eine bevorzugte Ausführungsform der erfindungsgemäßen Befüll-Vorrichtung in einer schematischen Querschnittsansicht;

Fig. 4

eine weitere bevorzugte Ausführungsform der erfindungsgemäßen Befüll-Vorrichtung in einer schematischen Querschnittsansicht.

The filling device according to the invention is explained below using a preferred embodiment, which is shown in the figures of the drawings. Show in it:

Fig. 1

a filling device according to the prior art in a schematic cross-sectional view;

Fig. 2

a further filling device according to the prior art in a schematic cross-sectional view;

Fig. 3

a preferred embodiment of the filling device according to the invention in a schematic cross-sectional view;

Fig. 4

a further preferred embodiment of the filling device according to the invention in a schematic cross-sectional view.

The ones in the Figures 1 to 4 Filling devices 110, 210 shown are intended for filling an airtight bottle 200 and contain a dual bottle adapter 210 connected at least indirectly to the bottle 200 for liquid entry from a container provided with a dual container adapter 110, at least partially with liquid filled storage container 100, with a sealed liquid communication connection between a liquid output port 111 of the dual container adapter 110 and a liquid input port 211 of the dual bottle adapter 210 and between a gas input port 112 of the dual container adapter 110 and a gas output port 212 of the dual bottle adapter 210 a sealed gas communication connection is provided.

The liquid output port 111 and the gas input port 112 of the dual container adapter 110 are each designed as pipe end pieces with a predetermined outer diameter of a robust mechanical unit designed as an adapter body 120.

The liquid output port 111 of the dual container adapter 110 is arranged within a robust mechanical unit designed as an adapter body 120 at a predetermined distance from the gas input port 112 of the dual container adapter 110.

The liquid inlet port 211 and the gas outlet port 212 of the dual bottle adapter 210 are formed as bores inserted into an adapter block 220, the respective inner diameters of which correspond to the predetermined outer diameter of the liquid outlet port 111 and the gas inlet port in order to enable a sealed plug connection 112 of the dual container adapter 110 are adapted.

The liquid input port 211 of the dual bottle adapter 210 is arranged within a robust mechanical unit designed as an adapter block 220 at a predetermined distance from the gas output port 212 of the dual bottle adapter 210.

The adapter block 220 of the bottle adapter 210 and the adapter body 120 of the container adapter 110 are adapted to one another in their dimensions and shape in order to ensure a direct, releasably fixed plug connection between Bottle adapter 210 and container adapter 110 to enable. The inside diameter of the first hose is larger than the inside diameter of the second hose.

In a filling device according to the invention according to Figures 3 and 4 a pump 130 is provided to pump liquid from the storage container 100 into the bottle 200. The pump 130 is designed as a hollow cylinder 133 provided in the area of its closed lower end face 131 with a check valve 132, into the open upper end face 134 of which a piston 140 connected to a piston rod 141 is inserted, which is reciprocally mounted in the hollow cylinder 133, with one through the Piston 140 and the piston rod 141 guided bore 142 forms a liquid communication connection from the interior of the container 100 to the container adapter 110 and a gas communication connection designed as a hose 143 leads from the container adapter 110 into the interior of the container 100.

A helical spring 135 is provided, one end 136 of which is supported in the area of the surface 116 of the storage container 100 and the other end 137 of which adjoins a stop 144 attached to the piston rod 141 in order to subsequently close the piston rod 141 and thus the piston 140 a transfer of the piston 140 from a neutral rest position in the direction of the closed end face 131 of the hollow cylinder 133 to the neutral rest position as part of a pumping process.

At the in Figure 1 In the embodiment shown, the container adapter 110 is arranged in the area of an upper end face 145 of the piston rod 141 and the bottle adapter 210 is arranged in the area of a base 201 of the bottle 200.

At the in Figure 2 In the embodiment shown, the piston rod 141 is reciprocally mounted in the hollow cylinder 133 by means of a handle element 150 attached to an end of the piston rod 141 remote from the piston 140, and the container adapter 110 is formed in an upper lateral region of the piston rod 141 between the handle element 150 and the stop 144 .

According to the in Figure 3 In the embodiment shown, the bottle adapter 210 is arranged in the area of a side wall 202 of the bottle 200.

According to the in Figure 4 In the embodiment shown, the bottle adapter 210 is arranged in the area of a spray attachment 230 of the bottle 200.

The exemplary embodiment of the invention explained above merely serves the purpose of a better understanding of the scope of protection defined by the claims, which is not limited by the exemplary embodiment.

Reference symbol list

100

Storage containers

110, 210

Filling device

110

Container adapter

111

Fluid output port

112

Gas input port

116

surface

120

Adapter body

130

pump

131

closed lower end face

132

check valve

133

Hollow cylinder

134

open upper face

135

Helical spring

136

an end

137

other ending

140

Pistons

141

Piston rod

142

drilling

143

Hose

144

attack

145

upper face of the piston rod

150

Handle element

200

Bottle

201

bottom of the bottle

202

side wall of the bottle

210

Bottle adapter

211

Fluid input port

212

Gas output port

220

Adapter block

230

Spray attachment

Claims (2)

1. Filling device (110, 210) for a bottle (200) which is closed in an air-tight manner, having a bottle adapter (210), a container adapter (110) and a storage container (100), wherein the bottle adapter (210) is connectable at least indirectly to the bottle (200) in order to introduce a liquid from the storage container (100) which is provided with the container adapter (110) and is at least partially filled with liquid, wherein provided between a liquid output port (111) of the container adapter (110) and a liquid input port (211) of the bottle adapter (210) is a sealed liquid communication connection and provided between a gas input port (112) of the container adapter (110) and a gas output port (212) of the bottle adapter (210) is a sealed gas communication connection, wherein

   - an indirect releasably fixed plug connection between an adapter block (220) of the bottle adapter (210) and an adapter body (120) of the container adapter (110) is achieved in that a liquid communication connection between the bottle adapter (210) and the container adapter (110) is configured as a first sealed flexible hose, on the one hand, and a gas communication connection between the container adapter (110) and the bottle adapter (210) is configured as a second gas-tight flexible hose, on the other hand, and wherein

   - the internal diameter of the first hose is sized to be larger than the internal diameter of the second hose, and wherein

   - the liquid output port (111) and the gas input port (112) of the container adapter (110) are in each case configured as pipe end pieces with defined external diameter of a robust mechanical unit which is configured as the adapter body (120), characterized in that

   - a pump (130) is provided for pumping liquid from the storage container (100) into the bottle (200), wherein

   - the pump (130) is configured as a hollow cylinder (133) which is provided in the region of a closed lower end face (131) with a check valve (132), a piston (140) which is connected to a piston rod (141) and mounted so as to be able to reciprocate in the hollow cylinder (133) being introduced into the open upper end face (134) of the latter, wherein a bore (142) which leads through the piston (140) and the piston rod (141) forms a liquid communication connection from the interior of the container (100) to the container adapter (110) and a gas communication connection, which is configured as a hose (143), leads from the container adapter (110) into the interior of the storage container (100), and wherein

   - provided is a helical spring (135), the one end (136) thereof being supported in the region of the surface (116) of the storage container (100) and the other end (137) thereof being contiguous to a detent (144) attached to the piston rod (141), so as to guide the piston rod (141) and thus the piston (140), after the piston (140) has been transferred from a neutral resting position in the direction of the closed end face (131) of the hollow cylinder (133) in the context of a pumping procedure, back to the neutral resting position.
2. Filling device (110, 210) according to Claim 1, characterized in that the liquid output port (111) of the container adapter (110) is disposed within a robust mechanical unit, which is configured as the adapter body (120), at a defined spacing from the gas input port (112) of the container adapter (110).

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