JP2002143275A - Nursing bottle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a nursing bottle that can prevent the content of the bottle from leaking out of the bottle body of the bottle and the deformation of the bottle body. SOLUTION: This nursing bottle 10 is provided with the bottle body 11 having a mouth section 12, a nipple device 13 fitted to the mouth section 12, and an inner lid positioned between the mouth section 12 and the nipple deice 13. The inner lid 20 has a lid body 20a and a one-way valve 2 provided at the central part of the lid body 20a. The valve 22 opens when the internal pressure of the bottle body 11 is reduced with respect to the outside pressure and the internal and external pressures of the bottle body 11 are balanced with each other.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a baby bottle having a bottle body, and more particularly to a baby bottle capable of preventing leakage of hot water milk or the like (contents) and preventing deformation of the bottle body. About.

[0002]

2. Description of the Related Art Conventionally, a baby bottle having a bottle main body and a nipple has been known. Although the bottle body of such a baby bottle is made of a hard material such as glass or polycarbonate, a bottle body formed of a soft material such as polypropylene has been developed.

[0003]

As described above, baby bottles having a bottle body made of polypropylene have been developed, and an inner lid is provided between the bottle body and the nipple so that milk inside the bottle body does not leak. Are located.

However, when pouring hot water into the bottle body for use, when the hot water is cooled, the inside of the bottle body becomes negative pressure, and the bottle body made of a soft material may be dented and deformed.

[0005] The present invention has been made in view of such a point, even if a bottle body made of a soft material is used, it is possible to prevent leakage of contents and prevent deformation of the bottle body. It is an object of the present invention to provide a baby bottle that can be used.

[0006]

SUMMARY OF THE INVENTION The present invention comprises a bottle body having a mouth, a nipple device mounted on the mouth of the bottle body,
A feeding bottle comprising: a middle lid provided between a mouth and a nipple device; and a one-way valve for only sucking air from the outside into the bottle body.

According to the present invention, when the hot water is filled in the bottle main body and then the hot water is cooled, the pressure in the bottle main body is reduced. In this case, the one-way valve is opened to take in air from the outside, and the pressure in the bottle main body and the external pressure are balanced. Thereafter, since the one-way valve is sealed, the contents do not leak from the bottle body.

[0008]

Embodiments of the present invention will be described below with reference to the drawings.

FIGS. 1 to 3 show a first embodiment of a baby bottle according to the present invention. As shown in FIGS. 1 to 3, the feeding bottle 10 stores hot water milk or the like (contents) and has a bottle body 11 having a mouth portion 12, and a nipple device 13 attached to the mouth portion 12 of the bottle body 11. , Mouth 12
And a nipple device 13 (see FIG. 2).

The bottle body 11 is made of a soft material such as polypropylene, and the mouth 12 has a male screw 12a. The nipple device 13 holds the nipple 14 and the holder 1 that holds the nipple 14 and is attached to the mouth 12.
5 and the inner surface of the holding body 15
A female screw (not shown) that engages with 2a is formed.

The nipple of the nipple device 13 is made of silicone rubber or natural rubber, and the holder 15 is made of polypropylene.

The transparent cover 1 further covers the nipple device 13.
Although the transparent cover 17 is provided, the transparent cover 17 may not necessarily be provided.

As shown in FIGS. 1 (a) to 1 (c) and 3, the inner lid 20 comprises an inner lid main body 20a, and an opening 23 is formed at the center of the inner lid main body 20a. The opening 23 formed in the inner lid main body 20a is sealed by a one-way valve 22 that performs only intake from the outside into the bin main body 11. The one-way valve 22 includes an inner lid body 20a.
And formed integrally with the bottle main body 11 (FIG. 1).
It is formed of a thin portion having a convex shape (to the lower side of (a) to (c)), and a cut 22 a is provided at the center of the thin portion 22.

A step portion 21 is formed on the periphery of the inner cover body 20a of the inner cover 20 to engage with the upper end of the mouth portion 12 of the bottle body 11 to prevent the contents from leaking from the mouth portion 12. .

The inner lid 20 having such a configuration is entirely made of silicone rubber. A display 25 such as a “table” is provided on the front side of the inner lid 20, and the display 25 indicates a mounting direction when the inner lid 20 is mounted on the mouth portion 12.

Next, the operation of the embodiment having the above-described configuration will be described. For example, when carrying, hot water is put in the bottle main body 11 in advance, then the inner lid 20 is arranged at the upper end of the mouth portion 12 of the bottle main body 11, and then the nipple device 13 is attached to the mouth portion 12. Further, the transparent cover 17 is attached so as to cover the nipple device 13, and the feeding bottle 10 is ready to be carried.

The inner lid 20 is normally in a state shown in FIG. 1A, and the one-way valve 22 is in a closed state.
At the stage when the hot water is filled in the bottle body 11, FIG.
As shown in (b), the inside of the bottle main body 11 has a high pressure with respect to the outside, and the inner lid 11 moves outward from the bottle main body 11 (FIG. 1B).
Is pressed to make the one-way valve 22 more sealed.

When the hot water is cooled, the inside of the bottle body 11 is depressurized as shown in FIG.
1 (downward in FIG. 1 (c)) to open the one-way valve 22. At this time, when air is sucked into the bottle main body 11 from the outside and the pressure in the bottle main body 11 is balanced with the external pressure, the inner lid 11 returns to the state of FIG. 1A, and the one-way valve 22 is closed. You.

When the baby bottle 10 is carried, even if the baby bottle is turned over, the one-way valve 22 of the inner lid 20 attached to the mouth portion 12 of the bottle main body 11 is sealed. The contents do not leak outside. In addition, hot water is filled in the bottle body 11 and then the bottle body 11 is filled.
When the inside is decompressed, the one-way valve 22 of the inner lid 20 is opened to take in air from the outside, so that the bottle main body 11 is not deformed by the decompression.

When preparing milk while going out, the milk can be easily prepared by adding the powdered milk to hot water that has been cooled to some extent.

When the baby sucks the contents in the bottle body 11, the nipple device 13 is removed from the mouth portion 12 and then the inner lid 20 is removed.
The nipple device 13 is attached to the mouth 12 again.

Thereafter, the baby sucks the contents in the bottle main body 11 from the nipple 14 of the nipple device 13.

FIGS. 4 and 5 are views for explaining a second embodiment of the baby bottle 10. FIG. As shown in FIGS. 4 and 5, cuts 22 are formed on the surface of the inner lid body 20 a of the inner lid 20.
A plurality of, for example, three grooves 26a, 26b, 26c extending linearly in parallel with a may be provided. Three grooves 26a, 26
Of the grooves b and 26c, one groove 26a is arranged substantially on the same straight line as the cut 22a, and the other two grooves 26b and 26c are arranged near the cut 22a and parallel to the cut 22a.

As described above, the three grooves 26a, 2
The provision of 6b and 26c enables the opening operation of the cut 22a of the one-way valve 22 to be performed more reliably.

The number of the grooves 26a, 26b, 26c is not necessarily three, but may be one, two, four, five or the like.

Next, referring to FIG. 6, a baby bottle 10 according to the present invention will be described.
The third embodiment will be described. FIG. 6 shows baby bottle 1
FIG. 4 is a view showing an inner lid 20 used at 0. As shown in FIG. 6, the first tapered portion 1 is provided at the upper end of the mouth portion 12 of the feeding bottle 10.
2b is formed so as to be inclined downward from the inner circumference toward the outer circumference. That is, the first tapered portion 12
b is set higher on the inner circumference side than on the outer circumference side. Also,
A second tapered portion 21a corresponding to the first tapered portion 12b is formed in the step portion 21 formed in the inner lid main body 20a. The step portion 21 is formed with a fitting surface 21b that contacts the inner surface of the mouth portion 12.

First tapered portion 12b and second tapered portion 2
1a can prevent the inner lid main body 20a from entering the feeding bottle 10. In particular, the contents are put in the bottle main body 11, the inner lid 20 is covered, and the nipple device 1
When the nipple device 3 is attached to the mouth 12 while being rotated, the nipple 14 made of silicone rubber comes into contact with the inner lid 20 made of silicone rubber, and the inner lid 20 rotates and twists during rotation of the nipple device 13. is there. In this case, the inner lid 20 cannot maintain a predetermined shape, which may cause leakage of contents.

However, according to the present embodiment, the first
The inner lid 20 is formed by the tapered portion 12b and the second tapered portion 21a.
Is firmly fixed to the mouth 12, so that the inner lid 20
Can be prevented from rotating and twisting, and leakage of the contents can be more effectively prevented. In the present embodiment shown in FIG. 6, the same parts as those in the respective embodiments shown in FIGS. 1 to 5 are denoted by the same reference numerals, and detailed description is omitted.

Next, referring to FIG. 7, a feeding bottle 10 according to the present invention will be described.
The fourth embodiment will be described. FIG. 7A is a view of the inner lid 20 as viewed from the back side, and FIG. 7B is a sectional side view thereof.

As shown in FIGS. 7A and 7B, a step 21 is formed on the inner lid body 20a so as to engage with the upper end of the mouth 12 of the bottle body 11. As in the third embodiment, a second tapered portion 21a that engages with the first tapered portion 12b on the mouth 12 side is formed in the step portion 21. Step 21
Is formed with a fitting surface 21b which is in contact with the inner surface of the mouth portion 12, and the fitting surface 21b has four notches 21c, 21c, 21c, 2c drawn inward in the radial direction from the fitting surface 21b.
1c is provided. A groove 26 is provided in the inner lid body 20a.
a is provided on substantially the same straight line as the cut 22a.

7 (a) and 7 (b), the bottle body 11
When the contents are put into the container and the inner lid 20 is covered,
The inside air is heated, and the pressure in the bottle main body 11 increases.
At this time, the inner lid 20 may come off from the mouth portion 12 due to an increase in the pressure inside the bottle main body 11, but by forming the notch 21c, the air inside the bin main body 11 escapes to the outside. As a result, the rise in pressure in the bottle body 11 can be limited to some extent, and the inner lid 20 is
It can be effectively prevented from deviating from.

The size of the notch 21c is set as appropriate. For the setting of these dimensions,
By utilizing the elasticity of 0, the contents are prevented from leaking and the pressure after the contents are sealed can be effectively released. In the present embodiment shown in FIG. 7, the same parts as those in the respective embodiments shown in FIGS. 1 to 5 are denoted by the same reference numerals, and detailed description is omitted.

[0033]

As described above, according to the present invention, when the hot water in the bottle body is cooled and the pressure in the bottle body is reduced, the one-way valve is opened to reduce the pressure in the bottle body and the external pressure. The bottle body is not deformed because it is balanced. Thereafter, the one-way valve is sealed, so that the contents do not leak to the outside from the bottle main body.

[Brief description of the drawings]

FIG. 1 is a view showing the inner lid of a baby bottle according to the present invention.

FIG. 2 is a diagram showing a first embodiment of a baby bottle according to the present invention.

FIG. 3 is a plan view showing an inner lid.

FIG. 4 is a diagram showing an inner lid in a second embodiment of the baby bottle.

FIG. 5 is a plan view showing the inner lid shown in FIG. 4;

FIG. 6 is a diagram showing an inner lid of a third embodiment of a baby bottle.

FIG. 7 is a diagram showing an inner lid of a baby bottle according to a fourth embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Baby bottle 11 Bottle main body 12 Mouth part 12a Male thread 12b 1st taper part 13 Nipple apparatus 14 Nipple 15 Holder 20 Inner lid 20a Inner lid main body 21 Step 21a Second taper part 21b Fitting surface 21c Notch 22 One direction Valve 22a cut

Claims (7)

[Claims] 1. A bottle body having a mouth, a nipple device attached to the mouth of the bottle body, and an inner lid provided between the mouth and the nipple device, wherein the inner lid has a bottle A baby bottle provided with a one-way valve for performing only intake into the main body. 2. The baby bottle according to claim 1, wherein the bottle main body is made of polypropylene. 3. The feeding device according to claim 1, wherein the one-way valve comprises a thin portion formed integrally with the inner lid at a central portion of the inner lid, and a cut is formed at the center of the thin portion. bottle. 4. The baby bottle according to claim 3, wherein the thin portion is formed in a convex shape toward the bottle main body. 5. The feeding bottle according to claim 3, wherein a groove extending in parallel with the cut of the thin portion is provided in the inner lid. 6. A first tapered portion which is inclined downward from the inner periphery to the outer periphery is formed at the upper end of the mouth portion of the bottle main body, and a second tapered portion is formed on the inner lid at a position facing the first tapered portion. The baby bottle according to any one of claims 1 to 5, wherein the baby bottle is formed. 7. A fitting surface for contacting the inner surface of the mouth of the bottle main body is formed in the inner lid, and a notch is formed in the fitting surface to be drawn radially inward from the fitting surface. The baby bottle according to any one of claims 1 to 6.