JP2004210316A - Synthetic resin container - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a synthetic resin container, from which contents remaining on the part of the interior wall surface of the container that covers from the shoulder to the top of the trunk are scraped off even after the contents are squeezed out of the container through an outlet of a cap body. <P>SOLUTION: A container body is fitted with the cap body (3) having an outlet nozzle (33), and a mouth cylinder (42) into which a finger can be inserted. The part of the interior wall surface (44) that covers from the shoulder (43) to the trunk (41) is formed to have a curved surface, which can be scraped with the palm side of a finger (51) touching the surface when the finger (5) is inserted in through the mouth cylinder (42) and the tip (52) of the finger is bent inward. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a squeezable synthetic resin container, such as a tube container, from which contents such as cream can be poured.
[0002]
[Prior art]
As a conventional technique, by screwing a cap body having a pluggable nozzle to the mouth and neck portion, the cap body is screwed off from the tube container body so that the contents can be used up, In the case where the remaining content is low and the content cannot be poured out even when the body is squeezed, the cap body is screwed off from the tube container body to use up the content (see Patent Document 1).
[0003]
[Patent Document 1]
JP 2001-97410 A
[Problems to be solved by the invention]
In the above-mentioned conventional tube container, at the stage when the content is reduced until it does not come out from the discharge nozzle of the cap body, in a state where the content is slightly remaining, depending on the shape of the shoulder and the upper end of the trunk, the shape of the shoulder and the upper end of the trunk may be different. In such a case, the contents easily remain on the inner wall surface of the portion, and it may be difficult to remove and collect the contents even when the cap body of the tube container is removed.
In particular, in the case of expensive cosmetics, it is required to remove the contents from the container without leaving any of them so that the contents can be used. Also, when recycling containers, it is required to remove the contents without leaving them in the containers at all.
The present invention has been made in view of the above-described problems, and traces the contents remaining on the inner wall surface of the upper end of the trunk from the shoulder even if the contents are squeezed until the contents do not come out of the spout of the cap body. It is an object of the present invention to provide a container made of a synthetic resin that can be taken.
[0005]
[Means for Solving the Problems]
As a hand throw to solve the above-mentioned problem of the prior art, the display device according to the invention of claim 1 has a cap body having an ejection nozzle inserted therein, a mouthpiece portion into which a finger can be inserted, and a shoulder. The inner wall surface from the part to the upper end of the trunk has a curved surface that can be traced by contacting the belly of the fingertip when a finger is inserted from the mouthpiece and the tip of the finger is bent inward. Formed.
Even if the body of the container body is squeezed, it is difficult to remove it from the spout nozzle of the cap body. After removing the cap and inserting a finger from the mouthpiece, the contents can be removed and recovered by bending the finger inward and tracing or ironing the inner wall surface.
[0006]
In the invention according to claim 2, the inner diameter of the mouthpiece according to claim 1 is smaller than 23 mm, and the outer diameter of the body of the container body is formed to be 60 mm or less.
When the container body is a squeeze container and the inner diameter of the mouthpiece is 23 mm or more, the mouthpiece is easily deformed into an elliptical shape when the container is squeezed, depending on the height of the mouthpiece. The sealing performance between the cap and the cap body is inferior and liquid leakage may occur. There is no.
[0007]
In the invention according to claim 3, the inclination angle of the inner wall surface of the shoulder portion according to claim 1 is formed at 5 to 70 degrees, so that it is easy to trace the fingertip. The angle of inclination of the shoulder inner wall surface is preferably set to 15 to 30 degrees.
[0008]
In the invention according to claim 4, the curved surface of the inner wall surface from the shoulder portion to the upper end portion of the torso according to claim 1 is formed to have a radius of curvature of 0.3 mm or more, and it is easy to trace with the belly of the fingertip. Make up. This curved surface is preferably formed with a radius of curvature of 3 mm or more. If the curved surface of the inner wall from the shoulder to the upper end of the torso is smaller than a radius of 0.3 mm, the corners will be sharp and the finger will not enter that part, making it difficult for the finger to trace and the contents will remain. become.
[0009]
BEST MODE FOR CARRYING OUT THE INVENTION
Embodiments of the present invention will be described with reference to the drawings. The synthetic resin container 1 of the present invention is obtained by inserting the cap body 3 into the container body 4.
The container main body 4 has a shoulder 43 integrally provided continuously at the upper end of the body 41, a screw 42 a is formed on the outer periphery of the upper end of the shoulder 43, and the finger 5 has a certain margin. The mouthpiece portion 42 having an inner diameter that can be inserted into the housing is integrally provided.
The inner wall surface 44 extending from the shoulder 43 to the upper end of the body 41 of the container body 4 is formed when the finger 5 is inserted from the mouthpiece 42 and the tip 52 of the finger is bent inward. It is formed in a curved surface that can be traced by contacting the belly 51 of the fingertip (see FIG. 4).
An outer cylinder 31 having a lower end formed to be able to abut against the shoulder 43 is suspended from an outer end of the top wall 34 of the cap body 3, and a screw 32 a is formed on an inner peripheral surface inside the outer cylinder 31. The inner cylinder 32 is formed so as to be able to contact the shoulder 43. On the other hand, a pouring nozzle 33 is provided above the top wall 34 at a position where the contents can be easily poured from the mouthpiece 42.
The cap body 3 has a peripheral wall 24 having substantially the same diameter as the cap body 3, and the auxiliary cap 2 provided with a hanging cylinder 23 that can be inserted into the discharge nozzle 33 on the top wall 22 is thin openably and closably. They are connected by a hinge 21.
As shown in FIG. 5, specifically, for example, in the case of an adult, the first joint and the second joint of the forefinger of the inner diameter of the mouthpiece portion 42 and the shoulder portion 43 to the upper end portion of the trunk portion are approximately 30 joints, respectively. When bent inward, the length L1 from the tip of the finger to the first joint is about 24 to 30 mm, the length L2 from the first joint to the second joint is about 10 to 22 mm, and the thickness L3 of the finger is It is about 10 to 21 mm. Therefore, the inner diameter of the mouth portion 42 is formed to be smaller than 23 mm, the outer diameter of the body portion 41 of the container body is formed to be 60 mm or less, and the inner diameter is such that a finger has a margin and can be inserted into the mouth portion 42. preferable.
Also, when the tip of the finger 5 is bent inward as shown in FIG. 4, the belly 51 of the fingertip at the finger tip 52 can be traced from the shoulder 43 to the upper end of the trunk. It is formed on a curved surface. It is efficient to trace the finger using the index finger. The inclination angle θ of the inner wall surface 44 of the shoulder portion 43 is set to 5 to 70 degrees in order to easily trace the belly 51 of the fingertip, but is preferably set to 15 to 30 degrees (see FIG. 4).
Further, the curved surface of the inner wall surface 44 from the shoulder 43 to the upper end of the body 41 is formed to have a radius of 0.3 mm or more in order to facilitate tracing with the belly 51 of the fingertip. It is preferable to form it with a curvature. When the radius of the curved surface is smaller than 0.3 mm, the corners are sharp and the finger 5 cannot enter the portion, and it is difficult to trace with the finger 5, so that the contents remain.
[0010]
【The invention's effect】
According to the present invention having the above configuration, the following effects can be obtained.
According to the invention of claim 1, even if the container made of synthetic resin containing the contents such as creamy cosmetics is squeezed until it does not come out from the pouring nozzle of the cap body, the contents remain from the shoulder to the upper end of the trunk. Although slightly remaining on the inner wall surface, after removing the cap body, insert the finger from the mouthpiece portion and trace the inner wall surface of the upper end of the trunk from the shoulder to remove the content remaining on the inner wall surface. It can be easily and easily traced or squeezed out with the fingers of the hand and taken out and collected.
Further, in the case of a synthetic resin container in which expensive contents are stored, the expensive contents can be removed and collected without leaving them to the end, and the expensive contents can be prevented from remaining. The contents thus recovered can be used normally.
According to the invention of claim 2, deformation of the mouthpiece can be prevented, and a finger can be easily inserted into the mouthpiece.
According to the invention of claims 3 and 4, the inner wall surface from the shoulder to the upper end of the trunk can be formed into a curved surface that can be easily traced by the belly of the fingertip.
[Brief description of the drawings]
FIG. 1 is a central longitudinal sectional view of a synthetic resin container according to an embodiment of the present invention.
FIG. 2 is an exploded perspective view of a synthetic resin container according to the embodiment of the present invention.
FIG. 3 is a plan view of a container body according to the embodiment of the present invention.
FIG. 4 is a sectional view when the contents of the embodiment of the present invention are traced.
FIG. 5 is an explanatory diagram of a finger.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Synthetic resin container 2 Auxiliary cap 21 Thin hinge 22 Top wall 23 Hanging cylinder 3 Cap body 31 Outer cylinder 32 Inner cylinder 33 Discharge nozzle 34 Top wall 4 Container body 41 Body part 42 Tube part 43 Shoulder part 44 Inner wall surface 5 Finger 51 fingertip belly 52 finger tip 53 first joint 54 second joint

Claims (4)

A cap body (3) having an ejection nozzle (33) is inserted and has a mouthpiece (42) into which a finger (5) can be inserted. From a shoulder (43) to an upper end of a body (41). When the finger (5) is inserted from the mouthpiece (42) and the tip (52) of the finger is bent inward, the inner wall surface (44) abuts against the belly (51) of the fingertip. A synthetic resin container formed on a curved surface that can be traced. The synthetic resin container according to claim 1, wherein the inner diameter of the mouthpiece (42) is smaller than 23 mm, and the outer diameter of the body (41) of the container body is 60 mm or less. The container made of synthetic resin according to claim 1, wherein the inclination angle of the inner wall surface (44) of the shoulder portion (43) is formed at 5 to 70 degrees so that it can be easily traced with the belly of the fingertip (51). The synthetic resin container according to claim 1, wherein the curved surface of the inner wall surface (44) from the shoulder portion (43) to the upper end portion of the trunk portion (41) has a radius of curvature of 0.3 mm or more. .

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