JPH0531085Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Field of Application) The present invention relates to a glass bottle equipped with a stopper with a metal fitting and used as a container for carbonated drinks, etc., to which internal pressure acts.

(Prior art) The mouth of a glass bottle used as a container for carbonated drinks, etc., which is subject to internal pressure, is normally sealed with a crown, screw cap, cork stopper, etc. If the stopper flies off when opened due to internal pressure, there is a danger of hitting people nearby. For this reason, the stopper was connected to the bottle mouth with a metal fitting to prevent the stopper from flying off, and the metal fitting was used to firmly press the stopper to the bottle mouth using the principle of leverage. Stoppers with metal fittings are used mainly in European countries.

However, when attaching the tip of the metal fitting by inserting it into the mouth of the bottle, the thickness of the glass in that area becomes locally thinner, and the glass in this area is likely to be scratched due to direct contact between the metal and the glass. This resulted in a decrease in strength, and when the glass bottle was heated during the sterilization process, the cracks were sometimes elongated and the bottle opening was damaged.

(Problems to be solved by the invention) The present invention solves these conventional problems and securely attaches the stopper supported by buckle-type metal fittings to the bottle mouth without reducing the glass strength of the bottle mouth. It was completed to provide an attached glass bottle.

(Means for Solving the Problems) The present invention is a glass bottle equipped with a stopper that is crimped onto the bottle opening by a buckle-type fitting, and the fitting is inserted into a recess on the outside of the bottle opening. The bottle opening has an insertion end and is formed to have a thick wall as a whole, and in particular, the portion of the bottle opening where the concave portion is formed is locally thicker than the other portions, and This is characterized in that a cap-shaped cushioning material made of resin is interposed between the insertion end and the concave portion of the bottle opening to prevent direct contact between the two.

(Example) The present invention will be explained in more detail below with reference to the illustrated example.

In the figure, 1 is the mouth of a narrow-mouthed glass bottle, 2 is the stopper,
3 is a buckle-type metal fitting for attaching the stopper 2 to the bottle opening 1.

This metal fitting 3 includes a U-shaped metal fitting 4 that passes through the plug 2,
The lower end 5 bent inward of this U-shaped metal fitting 4
The tip of the swinging bracket 6 is a pair of insertion ends that are inserted into recesses 7 formed at symmetrical positions on the outside of the bottle opening 1. It is said to be part 8,8. The central part of the swinging metal fitting 6 is a finger rest 10 bent in an L-shape as shown in FIG. The movable fitting 6 swings downward around the insertion ends 8, 8,
At the same time, the U-shaped metal fitting 4 is also pulled downward and the plug 2
is strongly pressed against the bottle opening 1. On the contrary, finger rest part 10
When pushed upward, the swinging metal fitting 6 swings upward as shown by the dashed line in FIG. 1, and the stopper 2 can be removed from the bottle opening 1.

As shown in FIG. 2, a recess 7 into which the insertion ends 8 are inserted is located at a symmetrical position on the outside of the bottle opening 1, which is thicker overall than the bottle body.
However, in the present invention, the portion where the recessed portion 7 is formed is locally thicker than the other portions of the bottle opening. Further, in the present invention, a resin cushioning material 11 such as a cap made of polyacetal resin or the like is inserted into the recess 7, and the insertion ends 8, 8 of the metal rocking fitting 6 are inserted into the recess 7. Prevents direct contact with glass.

(Function) The glass bottle of the present invention configured as described above allows the stopper 2 to be easily opened and closed by operating the buckle-type metal fitting 3 with a fingertip, as described above. Since the stopper 2 is connected to the bottle mouth part 1 by the metal fitting 3, it is safe, and the bottle mouth part 1 can be sealed with a strong force as in the conventional case.

However, in the present invention, the part of the bottle opening 1, which is formed thick as a whole, where the recess 7 into which the pair of insertion ends 8, 8 of the metal fitting 3 are inserted is formed is larger than the other parts. Because it is thickly molded,
Even if the insertion depth of the insertion end 8 is set to about 4 mm without the risk of the insertion depth being deviated from, a sufficient glass thickness can still be ensured at the bottom of the recess 7. Moreover, in the present invention, since the cap-shaped cushioning material 11 made of resin is interposed between the insertion end 8 and the recess 7 of the bottle opening 1, the insertion end 8,8 made of metal, Direct contact with the glass is prevented, stress concentration inside the recess 7 is alleviated, and damage to the inside of the recess 7 is prevented. Furthermore, since the cushioning material 11 is cap-shaped, it can be installed in the recess 7 by simply fitting it into the recess 7, making the installation process extremely easy. Therefore, the glass bottle of the present invention is free from cracks in this area and has excellent strength.

(Effects of the invention) As explained above, the present invention is capable of reliably attaching a stopper supported by a buckle-type fitting to the bottle mouth without reducing the glass strength of the bottle mouth, thereby sterilizing the bottle. The glass bottle has excellent safety, with its mouth part not being damaged even when the glass bottle is heated in a process, etc., and with no risk of the stopper flying off and injuring people around when the bottle is opened.

Therefore, this invention has eliminated the drawbacks of conventional glass bottles equipped with metal stoppers, and is of extremely great practical value.

[Brief explanation of the drawing]

FIG. 1 is a front view showing an embodiment of the present invention, and FIG. 2 is a partially cutaway side view thereof. 1... Bottle opening, 2... Stopper, 3... Metal fittings, 7...
Recessed portion, 8... Insertion end, 11... Cushioning material.

Claims (1)

[Scope of utility model registration request] This is a glass bottle equipped with a stopper 2 that is crimped onto a bottle mouth part 1 by a buckle-type metal fitting 3, and a pair of insertion ends 8, into which the metal fitting 3 is inserted into a recess 7 on the outside of the bottle mouth part 1. 8 and has a thick wall as a whole, the part where the recess 7 is formed is locally thicker than other parts, and the insertion end 8 A glass bottle equipped with a stopper with a metal fitting, characterized in that a cap-shaped cushioning material 11 made of resin is interposed between the concave portion 7 of the bottle mouth portion 1 and the concave portion 7 of the bottle mouth portion 1 to prevent direct contact between the two.