JPH08151061A - Container with cap - Google Patents

Abstract

PURPOSE: To effect a threaded engagement wherein an overrun of a cap body from a limit point of threaded engagement and a loose threaded engagement can be eliminated, and to provide a firm threaded engagement precisely at a limit point of threaded engagement, while maintaining such condition firmly and stably. CONSTITUTION: By engaging a first engaging part 8 provided in a cylindrical port 6 of a container body 1 with a second engaging part 13 of a cap body 9 and by engaging a shoulder 4 having a protruding engagement part 5 of the body 1 with a non-circular outer cylinder 12 of the body 9, engagement of the cap body 9 with the container body 1 at a limit point of threaded engagement is put into a strongly non-rotatable state, whereby a precise positioning can be achieved, which positioning can be firmly maintained, and further, deterioration of the external appearance of the container body 1 can be avoided.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention provides a container body and a cap body with a positioning function so that the cap body is screwed to the container body in a state in which the cap body is always accurately aligned in the circumferential direction. The present invention relates to such a container with a cap.

[0002]

2. Description of the Related Art As a container for storing various products such as shampoo, rinse, cosmetic cream, etc., the plane shape of a container body which is a bottle container and a cap body screwed to the container body is elliptical or rectangular. BACKGROUND ART There is known a container which has a non-circular shape and which gives a visually interesting appearance to the container and can easily and accurately achieve orientation in use.

In this container, the cap body is screwed onto the container body, and the container body and the cap body have the same non-circular planar shape, so that the cap body is screwed to the container body. In the (screw limit), the cap body needs to be aligned in the circumferential direction with respect to the container body. Therefore, both the container body and the cap body are provided with alignment function portions.

As a conventional technique of a container with a cap having this alignment function, a first locking portion is provided at the lower end of the outer peripheral surface of the mouth cylinder of the container body, and the cap body is screwed onto the container body. At the limit position, a second locking portion is provided for overcoming and locking the first locking portion, and a part of the cap body reaching the screwing limit abuts on the upper surface of the shoulder portion of the container body from the screwing direction side. A structure in which the locking step portion is provided upright (actual flat opening 3
-81862).

According to this prior art, the first locking portion and the second locking portion are locked to secure the assembling of the cap body to the container body at the screwing limit position and the cap to the locking step portion. By hitting the body, overrun is prevented from occurring during the screwing operation of the cap body with respect to the container body using the capping machine, and thus the accurate and safe screwing operation of the cap body with respect to the container body at the screwing limit position. I am trying to get it.

[0006]

However, in the above-mentioned prior art, it is the first locking portion that maintains the screwed state of the cap body assembled to the container body at the screw limit. It is only the locking force with the second locking portion, and since both locking portions are located near the screwing rotation axis core, due to the wrong rotation operation force acting on the cap body, There was a problem that the lock was easily released.

Further, the position regulation in the screwing direction at the screwing limit position is powerful and accurate due to the engagement between the first engagement portion and the second engagement portion and the engagement step portion. Can be achieved,
Position regulation for anti-threaded walking is achieved and maintained only by the engagement of the first engagement portion and the second engagement portion, and therefore the molding dimension error of the first engagement portion and the second engagement portion, And due to a slight molding error in the position along the circumferential direction, the screwing posture of the cap body with respect to the container body slightly deviates from the screwing limit position in the anti-screw rotation direction, and the cap body with respect to the container body is vertically moved. There was a problem that the agreement along the line was lost.

Further, since the locking step portion is eccentrically located on the upper surface of the shoulder portion in the anti-screw rotation direction, the shoulder upper surface of the container body becomes an uneven surface, and the shoulder upper surface shape is changed. There has been a problem that the appearance of the container deteriorates due to imbalance.

Therefore, the present invention was devised to solve the above-mentioned problems in the prior art, in which the cap body is provided with respect to the container body without overrun from the screwing limit position, and in the screwing limit. The technical issue is to assemble the cap without screw loosening from the position, so that the cap body can be accurately and surely assembled in the screw limit position of the container body. The purpose is to firmly and stably maintain the assembling at the screw limit position.

[0010]

Means for Solving the Problems The means of the present invention for solving the above technical problems has a body which is a bottomed cylindrical body having a non-circular planar shape, and a shoulder is provided at the upper end of the body. , Having a container body in which a cylindrical mouth tube portion having a thread on its outer peripheral surface is erected, having an outer cylinder having the same planar shape as the body portion of the container body, and being screwed to the mouth tube portion of the container body Having a cap body, providing a first locking portion at the lower end of the outer peripheral surface of the mouth cylinder portion of the container body, and a cap for the container body in which the posture of the outer cylinder of the cap body is vertically aligned with respect to the body portion of the container body At the screw limit position of the body, the cap body is provided with a second locking portion that is locked over the first locking portion of the container body, and the cap body is provided with a second locking portion with respect to the container body. At the screwing limit position of the cap body, forming a step portion with which the lower end opening edge of the outer cylinder of the cap body is fitted, Provide a bulge locking portion on the shoulder of the container body that increases the height of the stepped portion of the container body on the rolling direction side within a range that does not hinder the screwing and rotating operation of the cap body with respect to the container body. ,It is in.

The upper surface of the shoulder portion of the container body is formed into a taper surface which is inclined downward toward the step portion which is the outer peripheral edge, and the bulging locking portion is
It is preferable that the upper surface of the shoulder portion is provided in such a form that the descending inclination of the portion of the cap body on the side opposite to the screwing rotation direction is reduced.

The bulging locking portion and the first locking portion of the container are
With respect to the central axis of the mouth cylinder part, a pair is provided symmetrically about each point,
It is effective to provide a pair of second locking portions of the cap body in point symmetry with respect to the screw rotation axis of the cap body.

The cap body is provided with an outer cylinder on the outer side of a screwing cylinder that is externally screwed to the mouth cylinder of the container body, and the upper end of the outer cylinder and the screwing cylinder are connected by a top plate having a spout. The cap body having the above-mentioned double capped double cylinder structure, and the open-close lid which has a basin shape covering the entire upper surface of the cap body, is connected to the cap body via a hinge, and opens and closes the spout of the cap body. It is advantageous to configure.

[0014]

When the cap body is screwed into the mouth tube portion of the container body, the cap body is screwed while being displaced downward with respect to the container body, and the cap body is screwed into the first locking portion of the container body. At the screwing limit position where the second locking portion rides over and is locked, the lower end opening edge of the outer cylinder of the cap body rides over the shoulder peripheral edge of the container body and fits into the step portion.

Locking the first locking portion and the second locking portion,
By fitting the opening edge of the lower end of the outer cylinder of the cap body to the step of the container body, the posture of the outer cylinder of the cap body with respect to the body of the cap body with respect to the container body is aligned in the vertical direction. In this aligned state, the assembly of the cap body with respect to the container body at the screwing limit position is firmly held.

During the screwing operation of the cap body to the container body, the bulging locking portion of the container body is fixed to the cap body while the outer cylinder lower end opening edge portion of the cap body is fitted to the step portion of the container body. Since it strongly abuts against the cylindrical wall portion of the outer cylinder on the anti-screw rotation direction side, it is combined with the locking force between the first locking portion of the container body and the second locking portion of the cap body, When the cap body is screwed to the container body, the cap body is accurately screwed to the screwing limit position without overrunning from the screwing limit position.

When the cap body is screwed to the container body at the screwing limit position, the step portion of the container body and the outer edge of the lower end opening of the outer shell of the cap body are fitted together, and the first engaging portion and the second engaging portion. By the engagement with the stopper, the rotation of the cap body with respect to the container body in the anti-screw direction is reliably prevented, that is, the loosening of the cap body with respect to the container body is securely prevented.

The bulging locking portion of the container body has the height of the step portion on the side opposite to the screw rotation direction among the step portions provided around the entire circumference of the boundary portion between the body portion and the shoulder portion. In order to make it larger, a part of the shoulder part is formed by slightly raising the part of the shoulder part, so that this bulging locking part does not stand out as the appearance of the container body, and the bulging locking part It does not mean that the appearance of the container is deteriorated by the part.

[0019]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. The container body 1 (see FIG. 1 to FIG. 3) has an upper surface which is curved at the upper end which is curved in an arc shape of the substantially oval cylindrical body 2 and has a reduced diameter, and a stepped portion 4 having a low height. A shoulder portion 3 having a tapered surface that descends and slants toward the end side is continuously provided.
A cylindrical mouth tube part 6 with a thread 7 engraved on the outer peripheral surface at the center of the
It is constructed as a synthetic resin blow-molded bottle body.

The first engaging portion 8 provided at the lower end of the outer peripheral surface of the mouth tube portion 6 is provided with a second engaging member on the outer peripheral surface of the step portion which is bulged around the lower end portion of the outer peripheral surface of the mouth tube portion 6. The stopper 13 is configured by providing a pair of projecting pieces forming a groove portion into which the stopper 13 is fitted and locked. The first locking portion 8 is a substantially elliptical planar minor axis of the container body 1. A pair is provided above (see FIG. 3).

The bulging locking portion 5 bulged on the shoulder 3 is
The swelling member is provided in a form (see FIG. 5) in which the descending inclination angle of the portion of the shoulder portion 3 on the anti-screw rotation direction side (see FIG. 3) toward the anti-screw rotation direction side is reduced. The step portion 4 portion (see FIG. 4) formed by the stopper portion 5 on the side opposite to the anti-screw rotation direction has a mountain shape whose height is reduced from the central portion to the left and right, and the height of the central portion is The lower end edge of the outer cylinder 12 of the cap body 9 that moves downwards and downwards is set so as not to abut immediately before reaching the screwing limit, and the heights of the left and right ends thereof are the same as those of the step portion 4.

As described above, the bulging locking portion 5 increases the height of a part of the step portion 4, and the upper surface thereof is inclined downward toward the outer peripheral edge like the shoulder portion 3. Because
Stretching deformation of the synthetic resin material during blow molding and release from the blow mold can be smoothly achieved without any trouble.

The cap body 9 (see FIGS. 6 and 7) is
The cap body 1 is a synthetic resin injection-molded product in which the cap body 10 and the opening / closing lid 17 are integrally connected via a hinge 19.
0 is a part attached to the container body 1, and the opening / closing lid 17 is
A part for opening and closing the spout 15 formed in the cap body 10 is provided.

The cap body 10 is a cylindrical screwing cylinder 11 having a thread formed on the inner peripheral surface thereof, and is located outside the screwing cylinder 11 and has an inner diameter equal to that of the step portion 4 and a substantially elliptical plane shape. A cylindrical outer cylinder 12 and a top plate 14 that integrally connects the screw cylinder 11 and the upper ends of the outer cylinder 12 to each other form a capped double cylinder structure, which is inside the screw cylinder 11. A cylinder piece that forms a spout 15 is erected on the top plate 14 portion, and the cap body 10 is attached to the mouth cylinder portion 6 of the container body 1 on the lower surface of the top plate 14 portion that is also inside the screwing cylinder 11. A short cylindrical seal tube piece 16 that is tightly fitted in the opening of the mouth tube portion 6 when screwed into the
Is hung down.

A pair of second locking portions 13 are provided on the inner cylinder surface of the outer cylinder 12, which are opposed to each other on the minor axis, in the form of vertical ridges.
The width is set to be equal to the groove width of the fitting locking groove formed by the first locking portion 8.

The opening / closing lid 17 has a deep dish structure in which the plane shape covering the entire upper surface of the cap body 10 is a substantially elliptical shape. A plug piece 18 to be fitted is hung down, and a hinge 19 for hinge-connecting the opening / closing lid 17 and the cap body 10 has a mirror hinge structure composed of one elastic piece and a pair of hinge pieces.

In the case of the present invention, not only the locking of the first locking portion 8 and the second locking portion 13 but also the fitting of the outer cylinder 12 to the step portion 4 causes the cap body 9 to fit into the container body 1. Since the loosening prevention force from the screwing limit position in the anti-screwing rotation direction can be exerted, a large operation force is required to unscrew the cap body 9 from the container body 1, Therefore, without unfastening the cap body 9 from the container body 1,
It is advantageous to have the structure of the cap body 9 as in this embodiment that can achieve opening and closing of the container body 1.

[0028]

Since the present invention has the above-described structure, the following effects can be obtained. At the screwing limit position of the cap body with respect to the container body, in addition to the first locking part and the second locking part being locked, the bulging locking part and the outer cylinder are locked, so the screwing limit position The strong rotation-preventing force of the cap body against the container body is exerted, which can surely prevent the occurrence of overrun during the screwing operation of the cap body onto the container body, which is a safe and reliable cap. The body mounting operation can be obtained, and accurate positioning can be achieved during the screwing operation.

In the screwed state of the cap body to the screwing limit position with respect to the container body, in addition to the locking of the first locking portion and the second locking portion, the step portion and the outer cylinder are locked. As a result, it is possible to strongly prevent improper rotation of the cap body with respect to the container body in the anti-screw direction, so that the cap body is firmly attached to the container body at the screwing limit position after screwing. As a result, it is possible to strongly and accurately maintain the correctly positioned and assembled posture of the cap body with respect to the container body, and stably maintain a desirable appearance.

The bulging locking portion is formed by gently bulging a part of the bulging shoulder portion so as to loosen the degree of inclination of the shoulder portion. The molded state is hardly conspicuous, so that the bulging of the bulging locking portion does not deteriorate the appearance of the container body.
It is possible to maintain a preferable appearance of the container body.

[Brief description of drawings]

FIG. 1 is an overall front view of a container body showing an embodiment of the present invention.

2 is an overall side view of the container body shown in FIG.

3 is an overall plan view of the container body shown in FIG.

FIG. 4 is an enlarged front view of the main part of the container body shown in FIG.

5 is an enlarged side view of the main part of the container body shown in FIG.

FIG. 6 is an overall vertical cross-sectional side view of a cap body assembled to the container body shown in FIG.

7 is an overall bottom view of the cap body shown in FIG.

[Explanation of symbols]

 1; Container body 2; Body portion 3; Shoulder portion 4; Step portion 5; Bulging locking portion 6; Mouth tube portion 7; Thread 8; First locking portion 9; Cap body 10; Cap body 11; Screw Joint cylinder 12; Outer cylinder 13; Second locking part 14; Top plate 15; Spout 16; Seal cylinder piece 17; Open / close lid 18; Plug piece 19; Hinge

─────────────────────────────────────────────────── ───

[Procedure amendment]

[Submission date] December 12, 1994

[Procedure Amendment 1]

[Document name to be corrected] Drawing

[Correction target item name] All drawings

[Correction method] Change

[Correction content]

[Figure 4]

FIG.

[Fig. 2]

[Figure 3]

[Figure 5]

[Figure 6]

[Figure 7]

Claims (4)

[Claims] 1. A body which is a bottomed cylindrical body having a non-circular planar shape.
(2) and a container body in which a cylindrical mouth tube part (6) having a thread (7) on the outer peripheral surface is erected on the upper end of the body part (2) via a shoulder part (3) (1) and an outer cylinder (1
2) and a cap body (9) screwed to the mouth tube portion (6) and provided with a first locking portion (8) at the lower end of the outer peripheral surface of the mouth tube portion (6). The outer cylinder with respect to the body (2)
At the screw limit position of the cap body (9) with respect to the container body (1) in which the postures of (12) are vertically aligned, the second engagement portion (13) that engages over and engages with the first engagement portion (8). ) Is provided on the cap body (9), and at the screwing position of the cap body (9) with respect to the container body (1) at the boundary portion between the body portion (2) and the shoulder portion (3), The stepped portion which forms a stepped portion (4) with which the lower end opening edge of the tube (12) is fitted, and which is on the side opposite to the screwing rotation direction of the cap body (9).
(4) The height of the part, the cap body to the container body (1)
A container with a cap provided with a bulging locking portion (5) on the shoulder portion (3) that is enlarged within a range that does not hinder the screwing and rotating operation of (9). 2. A shoulder having an outer peripheral edge on the upper surface of the shoulder (3).
A tapered surface that slopes downward toward (4), and the bulging locking part
The container with a cap according to claim 1, wherein (5) is provided in such a manner that the degree of downward inclination of the portion of the upper surface of the shoulder portion (3) on the side opposite to the screwing rotation direction of the cap body (9) is reduced. 3. A bulging locking part (5) and a first locking part (8)
And a pair of second locking portions (13) provided point-symmetrically with respect to the central axis of the mouth tube portion (6) and a pair of second locking portions (13) with respect to the screw rotation axis of the cap body (9). Item 3. A container with a cap according to Item 1 or 2. 4. The outer cylinder (12) is located outside the screw cylinder (11) for externally screwing the cap body (9) to the mouth cylinder part (6),
The cap body (10) having a double-cylinder structure with a top and bottom (14) having a spout (15) formed between the upper ends of (12) and the screw cylinder (11).
And a lid having a deep dish shape covering the entire upper surface of the cap body (10) and connected to the cap body (10) via a hinge (19) to open and close the spout (15) ( 17) The container with a cap according to claim 1, 2 or 3, which is composed of