BG65216B1 - Vessel for keeping and dosing of viscous products - Google Patents

Abstract

The vessel consists of a non-circular cross-section body (1), one end of which is closed by a mobile piston (2) with an axially positioned threaded hole (3), and the other end is closed by a bottom (4) with a nozzle opening (5) made in the center thereof. Along the longitudinal axis of the body (1), a screw (6) is located with its front part ending by a profile section (7) matching the profile of the nozzle opening (5). To the back side of the screw (6) shaped as a rotating element (8), a stop (9) is fitted that is fixed in the body (1). The piston (2) is positioned above the stop (9) with a possibility of axial displacement when the screw (6) gets rotated by the rotating element (8).

Description

The present invention relates to a container for storing and dispensing viscous products for use in the packaging and use of such products.

BACKGROUND OF THE INVENTION

WO 1999/018010 discloses a container for the storage and release of viscous products consisting of a cylindrical body and a valve. A composite piston is placed in the body, which is pressurized by a propellant. The valve is a hollow cylindrical tube open at one end and closed at the other either permanently or by a valve allowing the dosing of the product by varying the rate of discharge from the vessel. A plurality of grooves are formed along the periphery of the valve whose total area exceeds the cross-sectional area of the valve itself. The valve is secured to the body by means of a hub with a large flange at one end.

FR 2103269 discloses a viscous dosage vessel comprising a cylindrical body closed at one end by a movable piston and at the other by a bottom having a nozzle shaped therein. Along the longitudinal axis of the body is a screw whose end face ends with a profiled section corresponding to the profile of the nozzle opening. The back of the screw is shaped like a rotating element, and there is provided with a stop above which is placed a piston, in which a central screw hole is formed.

The known solutions described are of complex construction and are, respectively, complex to manufacture and operate. In addition, the solution described in FR 2103269 does not permit a sharp detachment of the droplet of a viscous product obtained at the nozzle outlet after dosing of the product. Also, in this known construction there must necessarily be a closure cap for the nozzle opening, which due to the nature of the structure is permanently open and accordingly the viscous product located inside the container is exposed continuously to the influence of the external environment and the closest to the nozzle section, respectively. is oxidized unless a protective cap is put on.

SUMMARY OF THE INVENTION

Accordingly, it is an object of the present invention to provide a container for storing and dispensing viscous products that is simple in design, easy to manufacture, and easy to operate and to provide a sealed nozzle when not in use.

The objective was achieved by creating a container for storing and dispensing viscous products, including a piston placed in a non-circular cross-body closed at one end with a movable piston and at the other with a bottom in the center of which an orifice opening is formed. closed by a cap. Along the longitudinal axis of the body is a screw, the front side of which ends with a profiled section corresponding to the profile of the nozzle hole, and to the back of the screw, shaped like a hollow rotary element, a stop is fixed, fixed in the body above which is located the piston in which an axially arranged screw hole is formed, the piston being axially movable. The vessel is characterized by the fact that the screw with the rotating member includes a narrow section shaped as a groove to accommodate the stop to restrict the axial stroke of the screw, whereby an axial clearance is provided between the narrow section and the stop.

It is appropriate that the cutouts have cutouts from its central opening to the periphery.

In this embodiment, locking feathers are preferably formed at the periphery of the stop.

In one embodiment of the vessel, the profile of the lower surface of the piston is the same as that of the bottom.

It is also advisable for the piston side wall to be ribbed.

In another embodiment, the vessel also includes a closure cap with a profile allowing it to be positioned on the nozzle opening.

It is also preferred that the outer size of the closure cap is smaller than the inner size of the hollow rotary member.

The advantages of a container for storing and dispensing viscous products according to the invention lie in its simple construction, which makes it easy to manufacture the container, fill the container with the viscous product, relatively accurate dosing of the product when it is pushed out of the vessel, and easy handling at the court. In addition, the nozzle opening is tightly closed when the container is not used, which eliminates the harmful oxidizing effect of the environment on the viscous product and achieves a sharp tear off of the last drop of product resulting from the nozzle opening.

Explanation of the annexed figures

Figure 1 is an axonometric view of a container for storing and dispensing viscous products according to the invention;

FIG. 2 is a longitudinal sectional view of the vessel along line AA of FIG. 1;

3 is an axonometric view of the body of FIG. 1;

FIG. 4 is an axonometric view of a screw with a rotating member of FIG. 1;

5 is an axonometric view of the limiter of FIG. 1;

6 is an axonometric view of the piston of FIG. 1;

7 is an axonometric view of the cap of FIG. 1.

Examples of carrying out the invention

The receptacle for storing and dispensing viscous products (Figs. 1 and 2) includes a non-circular cross-sectional body 1 closed at one end with a movable piston 2 with an axially screwed hole 3 and at the bottom 4 at the center of the which is a shaped nozzle hole 5. A longitudinal axis of the body 1 is provided with a screw 6, the end of which ends with a profiled section 7 corresponding to the profile of the nozzle hole 5. To the back of the screw 6, shaped like a hollow rotating element 8 is gripped stop 9, above which is a piston 2 with axial capability moving the screw 6 through the rotating element 8.

Between the rotating element 8 and the screw 6 there is a narrow section 10 (FIG. 4) shaped as a groove to partially restrict the axial travel of the screw 6. The profile of the working surface 11 (FIG. 6) of the piston 2 is suitably identical with that of the bottom 4. The bottom 4 can be formed integrally with the body 1, but preferably it is formed as a separate element, along the periphery of which is formed a flange 12 (Fig. 7) that engages the inner wall of the body 1, so as to ensure an unbreakable and hermetic connection between the bottom 4 and the body 1.

In the limiter 9 are cut-outs 13 (Fig. 5) from its central opening 14 to the periphery. Locking feathers 15 are formed on the periphery of the stop 9.

Slots 16 (FIG. 3) are formed in the body for locking the feathers 15 of the stop 9.

The outer surface of the piston 2 (Fig. 6) is transversely ribbed by forming projections 17 to reduce the friction between the piston 2 and the body 1.

It is advantageous for the container to also include a cap 18 in the form that allows the nozzle opening 5 to be inserted therein and to allow for gripping and removal. In this embodiment, it is appropriate that the outer size of the cap 18 is smaller than the internal size of the cavity of the rotating element 8.

Use of the invention

Prior to filling the vessel with the viscous product, a screw 6 is inserted into the body 1 with a piston 2 screwed on to it and a retainer 9 sealed. The stop 9 itself is pre-clamped to the screw 6 and the rotating element 8 by pushing the screw 6 through the hole 14 (Fig. 5 ) of the stop 9 and pushing it so that it bends and widens the opening 14 due to the presence of cutouts 13. After passing the expansion of the screw 6 and the rotating element 8 through the opening 14 of the stop 9, the stop 9 returns to its original shape as a result of the elasticity of the material, of which it is made. Thus, the limiter 9 falls into the groove 10 (Fig. 4) of the screw 6. When the feathers 15 (Fig. 5) of the limiter 9, when inserting the screw 6 into the body 1, reach the grooves 16 (Fig. 3) of the body 1, the elastically deformed radially inward stop 9 restores its shape, whereby the feathers 15 (Fig. 5) fall into the recesses 16 (Fig. 3) of the body 1 and thus lock the screw 6 with the mounted piston 2 to the body 1. Then, through the open end of the viscous product is poured into the body 1, and then the bottom 4 is mounted and fixed at this end. In this situation, the nozzle opening 5 is tightly closed screw from the profiled end 7 of screw 6.

When we want to dispense a certain amount of the viscous product out of the container, we rotate the rotating element 8 until the gap between the groove 10 and the stop 9 is swung. In this motion, the screw 6 is unscrewed from the piston 2, thereby removing the profiled end 7 and releasing the nozzle opening 5 Further rotation of the rotating element 8 in the same direction moves the piston 2, which pushes the viscous product through the open nozzle opening 5. The dosing is performed by taking into account the displacement of the piston 2 with respect to the axially disposed on the body 1 with but in a transparent body or the angle of rotation of the rotary member 8 relative to the body 1.

After the desired dose of viscous product is pushed out of the vessel, the rotating member is rotated in the opposite direction, which screws the screw 6 into the piston 2 as the profiled end 7 approaches and closes the nozzle opening 5, thereby tearing off the viscous product drop and sealing the residual viscous product in the container.

Claims (7)

Claims 1. A container for storing and dispensing viscous products, including a piston placed in a non-circular cross-sectional body closed at one end with a movable piston and at the other end with a bottom in the center of which is formed a nozzle opening closed by a cap , wherein a screw is arranged along the longitudinal axis of the cylindrical body, the end of which ends with a profiled portion corresponding to the profile of the nozzle opening and a stop is attached to the rear of the screw formed by a hollow body, fixed in the body over which o a piston is arranged in which an axially arranged screw hole is formed, the piston being axially movable, characterized in that the screw (6) with a rotating element (8) includes a narrow portion (10) shaped as a groove for positioning the stop (9) to limit the axial travel of the screw (6), whereby an axial clearance is provided between the narrow section (10) and the stop (9). 2. A container for storing and dispensing viscous products according to claim 1, characterized in that cutouts (13) are formed in the stop (9) from its central opening (14) to the periphery. A container for storing and dispensing viscous products according to claim 2, characterized in that locking feathers (15) are formed at the periphery of the stop (9). 4. A container for storing and dispensing viscous products according to claim 1 or 2, characterized in that the profile of the lower surface of the piston (2) is the same as that of the bottom (4). 5. A container for storing and dispensing viscous products according to claim 1, characterized in that the side wall of the piston (2) is ribbed. 6. A container for storing and dispensing viscous products according to claim 1, characterized in that the cap (18) is provided with a profile corresponding to the profile of the nozzle opening (5) therein. 7. A container for storing and dispensing viscous products according to claim 6, characterized in that the outer size of the closure cap (18) is smaller than the inner size of the rotary member (8).