Bottle with screw cap and drip-proof device

Abstract

The bottle assembly (300) comprises a bottle (1), a screw cap (2), and a drip-proof device (3) having an external thread (32). The drip-proof device (3) is positioned on the neck (13) of the bottle and is configured such that the internal thread (20) of the screw cap (2) screws into the external thread (32) of the drip-proof device (3).

Description

Technical Field

[0001] The present invention relates to a bottle provided with a screw cap and a drip-proof device. The present invention relates mainly to the field of glass bottles intended to contain wine or oil.

Background Art

[0002] As is well known, conventional bottles have the drawback that when pouring the liquid contained therein, the liquid runs down along the neck of the bottle.

[0003] To solve this problem, various drip-proof or anti-drip systems applied to bottles are known.

[0004] Patent Document 1 describes a drip-proof device composed of a cylinder applied to the outside of the neck of a bottle. This cylinder has an upper end composed of an annular plate that abuts on the upper end of the neck of the bottle. This annular plate has a width equal to or greater than the width of the upper end of the neck of the bottle. Therefore, the width of the annular plate is generally 4 - 5 mm. However, such a wide annular plate cannot divide the liquid droplets, and there is a tendency for the liquid to run down along the annular plate and onto the neck of the bottle.

[0005] Patent Document 2 describes a drip-proof device in the shape of a cylindrical sleeve, which is arranged on the outer surface of the neck of the bottle, and the upper end of the drip-proof device is flush with the upper end of the neck of the bottle. The upper end of the drip-proof device is thinner than 1.5 mm in order to divide the liquid droplets and prevent dripping. However, the drip-proof device described in Patent Document 2 cannot be applied to a bottle having a screw cap.

[0006] FIG. 1 shows a bottle (100) provided with a screw cap (200) according to the prior art. That is, the screw cap (200) has an internal thread (220) that screws onto the external thread (116) of the bottle.

[0007] The bottle (100) has a base (110), a body (11), a tapered section (112), and a neck (113) that terminates at the upper end (114). A collar (102) protrudes from the neck and is located near the upper end (114). An external thread (103) is provided above the collar (102), which substantially reaches the upper end (104) of the bottle neck. In any case, the presence of the external thread (103) on the bottle neck makes it clear that the sleeve-shaped drip-proof device with a height of approximately 10 mm described in Patent Document 2 cannot be applied.

[0008] Patent document 3 describes a screw-cap bottle equipped with a drip-proof device located above the screw threads for the screw cap, on the neck of the bottle. [Prior art documents] [Patent Documents]

[0009] [Patent Document 1] French Patent No. 1105956 Specification [Patent Document 2] International Publication No. 2014 / 170240 [Patent Document 3] Japanese Utility Model Publication No. 56-172540 [Overview of the project]

[0010] The object of the present invention is to overcome the shortcomings of the prior art by providing a bottle assembly including a screw-cap bottle equipped with a drip-proof device designed to prevent the liquid contained in the bottle from dripping.

[0011] Another objective is to provide a bottle assembly, including a screw-capped bottle, that is efficient, practical, versatile, economical, and easy to manufacture, and equipped with a drip-proof device.

[0012] These objectives are achieved in accordance with the features of the appended independent claims.

[0013] Advantageous embodiments of the present invention will be revealed by the dependent claims. [Brief explanation of the drawing]

[0014] Further features of the present invention will become clearer from the following detailed description. The following description is purely illustrative and therefore describes non-limiting embodiments based on the accompanying drawings.

[0015] [Figure 1] Figure 1 is a side view of a conventional screw-cap bottle. [Figure 2] Figure 2 is a side view of the bottle assembly according to the present invention, showing an exploded view of the bottle, drip-proof device, and screw cap. [Figure 3] Figure 3 is an axial cross-sectional view of the bottle assembly shown in Figure 2, and shows an exploded view of the top of the bottle neck and the drip-proof device. [Figure 4] Figure 4 is a cross-sectional view of another configuration of the upper part of the bottle neck, showing a portion of the bottle neck where milling (cylindrical cutting) is required, and an exploded view of the drip-proof device. [Figure 5] Figure 5 is an axial cross-sectional view of the drip-proof device shown in Figure 4, which is assembled to the top of the milled bottle neck. [Modes for carrying out the invention]

[0016] Referring to Figures 2 and 3, the bottle assembly shown as reference number 300 will be described as a whole.

[0017] Referring to Figure 2, the bottle assembly (300) includes the following: • Bottle (1) • Screw cap (2) • Drip-proof device (3)

[0018] The bottle (1) comprises a base (10), a body (11) extending upward from the base, and a tapered section (12) connected to a neck (13) and terminating at an upper end (14).

[0019] The color (15) protrudes outward from around the neck (13).

[0020] The neck (13) terminates at the upper end (14) of the bottle above the color (15).

[0021] The screw cap (2) has an internal thread (20).

[0022] The drip-proof device (3) has the shape of a cylindrical sleeve and includes a lower end (30) and an upper end (31).

[0023] The drip-proof device (3) is applied to the neck (13) of the bottle above the color (15), and the upper end (31) of the drip-proof device is flush with the upper end (14) of the bottle.

[0024] The drip-proof device (3) is fixed to the outer surface of the neck (13) of the bottle so as not to move, for example, by an adhesive or press-fitting. However, in the case of a glass bottle, the drip-proof device (3) can be incorporated into the glass of the neck (16) of the bottle.

[0025] The drip-proof device (3) has a height (h) equal to the distance (D) between the color (15) and the upper end (14) of the neck of the bottle. The height (h) of the drip-proof device (3) is in the range of 8 to 12 mm.

[0026] Referring to Figure 3, the upper end (31) of the drip-proof device has a thickness (s) smaller than the average diameter of the liquid droplets. Therefore, the thickness (s) of the upper end of the drip-proof device is less than 1.5 mm, preferably less than .5 mm. In this way, when the liquid droplets reach the upper end (12) of the drip-proof device, the liquid droplets are divided and drip onto the outer surface of the bottle without accumulating on the upper end (12) of the drip-proof device. In particular, the upper outer end of the drip-proof device is substantially 90°, and this angle can prevent the liquid droplets from being divided and dripping as in the case of the rounded upper end of the neck of the bottle.

[0027] Preferably, the drip-proof device (3) has a thickness (s) smaller than the thickness of the bottle neck (13). It should be noted that the smaller the thickness of the drip-proof device (3), the better its performance.

[0028] Advantageously, the drip-proof device (3) is formed of a metallic material, preferably food-grade aluminum, brass, stainless steel, or PTFE. Preferably, the outer surface of the drip-proof device (3) is coated with a low coefficient of friction material, such as polytetrafluoroethylene (PTFE), known by the trademark Teflon®.

[0029] The drip-proof device (3) may have its interior made of Teflon®. In this case, the drip-proof device has a thickness of less than 0.5 mm.

[0030] Furthermore, to prevent droplet formation on the upper end (14) of the bottle neck, it is advantageous to have a flared shape at the upper end (14) of the bottle neck. That is, the upper end (14) of the neck may have a tapered shape with a thickness that decreases towards the top. In this way, the upper end (14) of the neck has a minimum thickness, which can cause droplet fragmentation. However, if the drip-proof device (3) is sufficiently thin, it will perform its function even if the upper end of the bottle neck is rounded, as in conventional bottles.

[0031] The bottle neck (13) does not have an external thread. Instead, the drip-proof device (3) has the shape of a cylindrical sleeve with an external thread (32), and the internal thread (20) of the screw cap (2) screws onto this external thread (32).

[0032] Referring to Figures 4 and 5, modified examples of the bottle assembly (300) according to the present invention are shown. In this case, a cylindrical cut portion (18) is formed on the outer surface of the bottle neck (13) above the collar (15), thereby reducing the outer diameter of the upper part of the bottle neck. The cylindrical cut portion (18) has a depth (P) equal to the thickness (s) of the drip-proof device.

[0033] In this way, the drip-proof device (3) is positioned on the cylindrical cut section (18), and the outer surface of the drip-proof device (3) is flush with the outer surface of the bottle neck (13).

Claims

1. A bottle assembly (300) comprising a bottle (1), a screw cap (2), and a drip-proof device (3), The bottle (1) comprises a base (10), a body (11) extending upward from the base, and a tapered portion (12) connected to the neck (13) and terminating at the upper end (14), The drip-proof device (3) is fixed to the neck (13) of the bottle so as not to move, and the drip-proof device (3) has the shape of a cylindrical sleeve having a lower end (30) and an upper end (31), and the drip-proof device (3) is positioned on the outer surface of the neck (13) of the bottle such that the upper end (31) of the drip-proof device is flush with the upper end (14) of the neck of the bottle, and the upper end (31) of the drip-proof device has a thickness (s) of less than 1.5 mm, and the drip-proof device (3) has an external thread (32), The screw cap (2) has an internal thread (20) that screws onto the external thread (32) of the drip-proof device. A bottle assembly (300) characterized by the above.

2. The upper end (12) of the drip-proof device (10) has a thickness (s) of less than 0.5 mm. The bottle assembly (300) according to claim 1, characterized in that...

3. The drip-proof device (3) is made of food-grade aluminum, brass, stainless steel, or PTFE. A bottle assembly (300) according to claim 1 or 2, characterized in that it is the same as the one described in claim 1 or 2.

4. The drip-proof device (3) has an outer surface covered with a low coefficient of friction material such as PTFE, A bottle assembly (300) according to any one of claims 1 to 3, characterized in that...

5. The bottle has a collar (15), and the drip-proof device (3) is positioned on the neck (13) of the bottle above the collar (15). A bottle assembly (300) according to any one of claims 1 to 4, characterized in that...

6. The bottle (1) has a cylindrical cut portion (18) on the outer surface of the neck (13) of the bottle, above the collar (15), and the cylindrical cut portion (18) defines a seat for housing the drip-proof device (3). The bottle assembly (300) according to claim 5, characterized in that...

7. The cylindrical cut portion (18) has a depth (P) equal to the thickness (s) of the drip-proof device (3). The bottle assembly (300) according to claim 6, characterized in that...

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