JP2002142837A - Packing container for contact lens - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a packing container for contact lens, which can prevent a contact lens from damage when the lens is taken out from the container. SOLUTION: This packing container for contact lens is constituted of a storage part 2 to store a contact lens C and preserving liquid W for the contact lens, a flange 3 spread on the outer circumference of the storage part 2, and a lid body 5 to close an opening part 4 of the storage part 2. A liquid retaining part 6 for the preserving liquid is equipped on a whole or a part of the outer circumference of the storage part 2.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a packaging container for contact lenses, and more particularly to a packaging container for disposable contact lenses.

[0002]

2. Description of the Related Art As a conventional packaging container 100 for disposable contact lenses, for example, as shown in FIG. 8, a storage portion 102 for storing a contact lens C and a preservative solution W for the contact lens, and spread around the outer periphery of the storage portion. There is a flange 103 and a lid 105 for closing the opening of the storage section, and a round section 106 is provided at the boundary between the storage section 102 and the flange 103. In the contact lens packaging container 100, when the contact lens is taken out of the container, the roundness 106 prevents the contact lens from being damaged.

As a conventional contact lens packaging container 200 having a shape different from that described above, there is a conventional contact lens packaging container 200 in which a gentle inclined portion 206 is provided at a boundary between a storage portion 202 and a flange 203 as shown in FIG. The inclined portion 206 is intended to easily take out the contact lens C from the storage portion 202.

[0004]

In the conventional contact lens packaging container 100 shown in FIG. 8, when the cover 105 is peeled off and the contact lens C is taken out, if the take-out fails, the contact lens is placed on the dry portion of the flange 103. Sometimes it came out. That is, the state as shown in FIG. 9 may occur and the contact lens may be damaged.

Further, in the conventional contact lens packaging container 200 shown in FIG. 10, when the cover 205 is peeled off and the contact lens C is taken out, the inclined portion 206 is taken out while sliding. However, this inclination angle is
In some cases, the contact lens is difficult to hook on the fingertip because the contact lens is looser than the inclination angle of the contact lens packaging container 100 of the conventional example shown in FIG.

[0006] In this case, since the contact lens is easily dropped, if the take-out fails, the contact lens comes out to the dry portion of the flange 203, and the state shown in FIG. was there.

The present invention has been made in view of such a problem, and an object of the present invention is to provide a contact lens packaging container capable of preventing the contact lens from being damaged when the contact lens is taken out of the packaging container.

[0008]

According to the present invention, there is provided a contact lens packaging container according to the present invention.
As a contact lens packaging container comprising a contact lens and a storage portion for storing a preservation solution for the contact lens, a flange extending around the outer periphery of the storage portion, and a lid closing an opening of the storage portion. The storage liquid reservoir is provided on the entire circumference or a part of the outside of the storage part.

According to the above-mentioned means, the storage portion of the preservative solution is provided on the entire periphery or a part of the outside of the storage portion for storing the contact lens and the preservative solution.

According to a second aspect of the present invention, in the contact lens packaging container according to the first aspect, the liquid reservoir is a groove provided on the entire outer circumference or a part of the housing.

[0011] According to the above-mentioned means, the contact lens and the storage portion having a groove shape are provided on the entire outer periphery or a part of the storage portion for storing the storage solution.

According to a third aspect of the present invention, in the contact lens packaging container according to the first aspect, the liquid pool portion has a stepped portion having a surface lower than a flange surface provided on the entire outer periphery or a part of the storage portion. It is characterized by being.

According to the above means, a step having a surface lower than the flange surface is provided on the entire outer periphery or a part of the storage portion for storing the contact lens and the preservative solution, and the step portion is formed as a pool of the preservative solution. Becomes

According to a fourth aspect of the present invention, in the contact lens packaging container according to any one of the first to third aspects, the liquid reservoir is large enough to receive the contact lens. I do.

According to the above-described means, a liquid pool portion is provided which can receive the contact lens even if the contact lens is dropped when the contact lens is taken out.

According to a fifth aspect of the present invention, there is provided the contact lens packaging container according to the first aspect, wherein a connecting portion for connecting the flange and the lid is formed, and a residue generated when the connecting portion is peeled off is formed in the liquid pool portion. Characterized in that it is provided at a position where it does not come into contact with.

According to the above-mentioned means, the connecting portion is separated from the liquid pool portion so that the waste generated when the connecting portion connecting the flange and the lid is peeled off does not contact the liquid pool portion.

According to a sixth aspect of the present invention, in the contact lens packaging container according to the first aspect, the distance between the inner periphery of the connecting portion connecting the flange and the lid and the outer periphery of the liquid reservoir is set to 0. 5 mm or more and 5 mm or less, preferably 0.8 m
m or more and 1.5 mm or less.

According to the above means, the inner circumference of the connecting portion for connecting the flange and the lid and the outer circumference of the liquid pool portion are 0.5 mm.
Not less than 5 mm, preferably not less than 0.8 mm and 1.5 mm
They are separated by the following distances:

[0020]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a preferred embodiment of a contact lens packaging container according to the present invention will be described with reference to the drawings.

1 to 4 and FIG. 12 show this embodiment (1). FIGS. 1 to 4 are longitudinal sectional views on the center line of the packaging container, and FIG. 12 is a sketch.

The contact lens packaging container 1 includes a storage portion 2 for storing the contact lens C and the preservation solution W for the contact lens, a liquid reservoir portion 6 for storing the preservation solution W all around the outside of the storage portion 2, and a further liquid. It comprises a flange 3 extending around the outer periphery of the pool portion 6, and a lid 5 for closing the opening 4 of the storage portion 2 by coupling with the flange 3.

More specifically, the housing 2 is formed by injection molding or thermoforming from a thermoplastic sheet such as polypropylene. The shape is preferably a substantially spherical shape along the convex shape of the contact lens C so that the contact lens C is stably held.

The flange 3 is made of the same material as the storage section 2 and extends around the outer circumference of the storage section 2 as shown in FIG. The shape of the flange 3 is rectangular, and the storage portion 2 is provided at a position shifted from one of the centers of the flanges 3 in the longitudinal direction of the rectangle in consideration of the ease of peeling off the lid 5. There is no particular problem even if it is in the center.

The lid 5 is made of a polypropylene film, PE
Cover seal 9 of laminated structure in which several types of T film, polyethylene film, aluminum foil, etc. are stacked
The contact lens C and the preservative solution W are coupled to the surface of the flange 3 so that the contact lens C and the storage solution W do not fall out from the opening 4 of the storage unit. The shape of the cover seal 9 is a rectangle having substantially the same shape as the flange 3. As a method for connecting the flange 3 and the cover seal 9, heat sealing, welding by ultrasonic waves, or the like is used. The connecting part 7 shown in FIG.
Indicates the position of the connection. In the case of the heat seal of the present embodiment, after the cover seal 9 is covered with the flange 3, it means that heat is applied to the position of the connection portion 7 to be welded. are doing. Therefore, after the heat sealing, as shown in FIG. 1, the shape becomes like a water drop hanging on a flat plate.

The liquid reservoir 6 is formed of the same material as the storage part 2, and is provided at the boundary between the storage part 2 and the flange 3 so as to surround the storage part 2. As the name suggests, the shape is a groove in which the storage solution W can be stored. As shown in FIG. 6, the detailed shape of the groove 8 is a boundary 61 between the groove 8 and the storage section 2 and a boundary 6 between the groove 8 and the flange 3.
2 is a shape that smoothly connects them. That is, the boundary portion 61 between the groove 8 and the storage portion 2 is formed between the rounded vertex 610 and the rounded inner periphery 6.
11, the outer periphery 612 having a round shape.

The width (radial length) M of the groove 8 is shown in FIG.
As shown in FIG. 7, the size is such that the contact lens C can be received. Therefore, it is not necessary for M to be the diameter of the contact lens, and it is preferable that M can be received because the size of the entire packaging container becomes smaller as long as the contact lens can be received. For example, the value of M is between 1/2 of the diameter of the contact lens and up to the same size as the diameter. Further, the depth K of the groove 8 only needs to be a depth at which the preservation liquid W accumulates even a little. For example, it is 0.5 mm to 1 mm.

The storage solution W is filled in the storage section 2 so as to prevent dehydration of the contact lens C and to prevent air from being mixed with a sterile aqueous solution so that the contact lens C can be immediately mounted after being taken out. Therefore, the preservation liquid is also filled in the inside of the groove 8 and the boundary portion 61 on the inner periphery of the groove 8.

The boundary 61 on the inner periphery of the groove 8 has a smooth rounded structure so as not to damage the contact lens C when the contact lens C is taken out. Boundary part 6 of outer periphery of groove 8
Reference numeral 2 denotes a boundary portion with the flange 3, which also has a smooth rounded structure.

As shown in FIG. 5, the position of the joint 7 between the cover seal 9 and the flange 3 is set at a distance from the groove 8 so that the scum 11 generated when the joint 7 is peeled off does not contact the groove 8. Provided. Specifically, the inner periphery 71 of the joint 7 between the cover seal 9 and the flange 3 and the outer periphery 62 of the liquid pool 6
Is set to 0.5 mm or more and 5 mm or less, preferably 0.8 mm or more and 1.5 mm or less.

Next, an operation of taking out the contact lens C will be described. As shown in FIG. 3, first, the flange 3 of the packaging container 1 for the contact lens is held, and the cover seal 9 is peeled off in the direction X at a portion where the welding of the cover seal 9 is not welded to the outer periphery of the flange. Next, after peeling off to the position of Y, the contact lens C is taken out along the inner wall surface 21 of the storage section 2 in the Z direction using a finger or the like.

Here, when the contact lens C is successfully removed, there is no problem with the conventional contact lens packaging container. However, when the contact lens C comes off the finger or the like during the removal from the storage section 2, this embodiment operates as follows.

That is, even when the contact lens C is taken out of the storage section 2 and dropped halfway, as shown in FIG. 5, the width M of the groove 8 is made large enough to receive the contact lens. Is received in the groove 8. In this case, the contact lens C is not damaged due to the storage solution W stored inside the groove 8. The fact that the inner peripheral boundary 61 and the outer peripheral boundary 62 of the groove 8 are smoothly rounded also helps to prevent damage.

In the state where the contact lens is received in the groove 8, the joint portion 7 is provided at a position where the heat sealing residue 11 generated when the joint portion 7 between the cover seal 9 and the flange 3 is peeled off does not contact the groove 8. Therefore, it does not cause damage to the contact lens and adhesion of foreign matter.

The position of the joint 7 will be described in more detail. As shown in FIG. 2, if the distance L between the inner periphery 71 of the joint 7 and the outer periphery 62 of the liquid pool 6 is too small, the welding residue may be reduced. Etc., and if it is too large, the flange 3
Becomes unnecessarily bigger than necessary. As a result of the trial, it was found that the distance L was 0.5 mm or more and 5 mm or less, and preferably 0.8 mm or more and 1.5 mm or less.

In the present embodiment, the gently inclined portion 2 of the contact lens packaging container 200 shown in FIG.
As compared with 06, as shown in the enlarged view of the part A in FIG.

As described above, according to the present embodiment, the groove 8 is provided on the outer periphery of the storage portion 2, the width M of the groove 8 is set to a size capable of receiving the contact lens, and the flange 3 and the cover seal 9 Since the connecting portion 7 is provided with a distance from the groove 8 at a position where the scum 11 generated when the connecting portion is peeled off does not contact the liquid pool portion, it is possible to reliably prevent the contact lens from being damaged.

FIG. 7 shows an embodiment (2) of the present invention and is a longitudinal sectional view on a center line of the packaging container. This contact lens packaging container 30 is
The storage portion 32 for storing the contact lens C and the storage solution W of the contact lens, a reservoir 36 for storing the storage solution W on the outer periphery of the storage portion 32, and a flange 3 which spreads around the outer periphery of the storage portion 36; And a lid 5 that closes the opening 4 of the storage section 32 by the combination of
The cover 5 is provided with a cover seal 9 similarly to the first embodiment.
And

The packaging container 30 for this contact lens is
The structure of the liquid reservoir 36 and the housing 32 is different from the contact lens packaging container 1 described in the embodiment (1). Since the structure and operation of the other components are the same as those of the embodiment (1), they are denoted by the same reference numerals.

The reservoir 36 is formed of the same material as the storage portion 32, surrounds the storage portion 32 at the boundary between the storage portion 32 and the flange 3, and forms a flat surface one step lower than the cover seal mounting surface of the flange 3. Step 38 is provided. The width (radial length) M2 of the step portion 38 is a size that can receive the contact lens C. In addition, the depth K2 of the step portion 38 may be a depth at which the preservation liquid W accumulates even a little. For example, it is 0.5 mm to 1 mm.

The storage section 32 is formed by injection molding or thermoforming from a thermoplastic sheet such as polypropylene as in the embodiment (1). The shape of the step portion 38 is different from the shape of the groove 8,
The shape of the boundary between the storage part 32 and the liquid reservoir part 36 is different from that of the first embodiment.

The boundary 63 on the inner periphery of the liquid reservoir 36
Is a boundary portion with the storage portion 32, and has a smooth rounded structure so as not to damage the contact lens C when the contact lens C is taken out. A boundary portion 64 on the outer periphery of the liquid pool portion 36 is a boundary portion with the flange 3, and has a smooth rounded structure.

According to the embodiment (2), the storage unit 3
If the contact lens C comes off from a finger or the like during the removal from the contact lens 2, the contact lens C is received by the liquid pool portion 36, that is, the step portion 38. In this case, the step 3
Since the groove 8 has the same function as the groove 8 of the embodiment (1), the same effect can be obtained.

FIGS. 13 and 14 show an embodiment (3) of the present invention. FIG. 14 is a longitudinal sectional view on the center line of the packaging container, and FIG. 13 is a top view. The contact lens packaging container 40 includes a storage section 42 for storing the contact lens C and the preservation liquid W for the contact lens, a liquid pool section 46 for storing the preservation liquid W in a part (here, a half circumference) outside the storage section 42, It comprises a liquid reservoir 46 and a flange 3 extending around the outer periphery of the storage section 42, and a lid 5 for closing the opening of the storage section 42 by coupling with the flange 3. The lid 5 is a cover seal 9 as in the first embodiment.

The packaging container 40 for this contact lens is
The structure of the liquid reservoir 46 and the storage part 42 is different from the contact lens packaging container 1 described in the embodiment (1). Since the structure and operation of the other components are the same as those of the embodiment (1), they are denoted by the same reference numerals.

The reservoir 46 is formed of the same material as that of the storage section 42, and forms a groove 46 that surrounds the storage section 42 by a half circumference at the boundary between the storage section 42 and the flange 3. The width (radial length) M3 of the groove 46 is large enough to receive the contact lens C. The depth of the groove 46 may be any depth as long as the preservation liquid W can be stored even a little. For example, it is 0.5 mm to 1 mm.

The storage section 42 is formed by injection molding or thermoforming from a thermoplastic sheet such as polypropylene as in the embodiment (1). The shape of the groove 46 is different from the shape of the groove 8 by a half circumference, which is different from the embodiment (1).

It should be noted that the inner and outer peripheries of the liquid reservoir 46 are smoothly rounded so as not to be damaged when the contact lens C is taken out, as in the first embodiment. .

According to the embodiment (3), the storage section 4
If the contact lens C comes off from a finger or the like during the removal from the contact lens 2, the contact lens C is received by the liquid reservoir 46, that is, the groove 46. In this case, since the groove 46 has the same function as the groove 8 of the embodiment (1), the same effect can be obtained. Note that the groove 46 is used in the embodiment (2).
It may be a step as shown in FIG.

FIGS. 15 and 16 show an embodiment (4) of the present invention. FIG. 16 is a longitudinal sectional view on the center line of the packaging container, and FIG. 15 is a top view. The contact lens packaging container 50 includes a storage portion 52 for storing the contact lens C and the preservation solution W for the contact lens, a liquid pool portion 56 for storing the preservation solution W in a part outside the storage portion 52, and a storage portion 56. It comprises a flange 3 extending around the outer periphery of the portion 52 and a lid 5 closing the opening of the storage portion 52 by coupling with the flange 3. In addition,
The cover 5 is a cover seal 9 as in the first embodiment.

The contact lens packaging container 50 is
The structure of the liquid reservoir 56 and the storage 52 is different from that of the contact lens packaging container 1 described in the embodiment (1). Since the structure and operation of the other components are the same as those of the embodiment (1), they are denoted by the same reference numerals.

The liquid reservoir 56 is formed of the same material as that of the storage part 52, and forms a groove 56 occupying only a part of the boundary between the storage part 52 and the flange 3. The width (radial length) M4 of the groove 56 is large enough to receive the contact lens C. Further, the depth of the groove 56 only needs to be a depth at which the preservation liquid W accumulates even a little. For example, it is 0.5 mm to 1 mm.

The storage section 52 is formed by injection molding or thermoforming from a thermoplastic plastic sheet such as polypropylene as in the embodiment (1). The shape is different from the embodiment (1) in that the shape of the groove 56 is a part of the shape of the groove 8.

It should be noted that the inner and outer peripheries of the liquid pool portion 56 have a smoothly rounded structure so as not to damage the contact lens C when the contact lens C is taken out, as in the first embodiment. .

According to the embodiment (4), the storage unit 5
If the contact lens C comes off from the finger or the like during the removal from the contact lens 2, the contact lens C is received by the liquid pool 56, that is, the groove 56. In this case, since the groove 56 has the same function as the groove 8 of the embodiment (1), the same effect can be obtained. Further, it is more compact than each of the above embodiments. Note that the groove 56 may be a step portion as in the embodiment (2).

In each of the embodiments, it has been described that the liquid pool portion is provided on the entire periphery or a part of the outside of the storage portion. However, the storage portion is enlarged to include the size of the liquid pool portion.
Even if the liquid reservoir is provided on the entire circumference or a part of the inside of the storage section, it is naturally practically the same.

[Brief description of the drawings]

FIG. 1 is a sectional view showing an embodiment (1) of a packaging container for contact lenses according to the present invention.

FIG. 2 is an exploded view of FIG.

FIG. 3 is a cross-sectional view illustrating a state in which the contact lens is taken out in the contact lens packaging container according to the embodiment (1) of the present invention.

FIG. 4 is an enlarged view of a portion A in FIG. 3;

FIG. 5 is an enlarged view of a portion A in FIG. 3;

FIG. 6 is an enlarged view of a portion A in FIG. 3;

FIG. 7 is a sectional view showing an embodiment (2) of the packaging container for a contact lens according to the present invention.

FIG. 8 is a cross-sectional view showing a conventional contact lens packaging container.

FIG. 9 is a cross-sectional view showing a conventional contact lens packaging container.

FIG. 10 is a cross-sectional view showing a conventional contact lens packaging container.

FIG. 11 is a cross-sectional view showing a conventional contact lens packaging container.

FIG. 12 is a sketch drawing showing an embodiment (1) of a packaging container for contact lenses according to the present invention.

FIG. 13 is a top view showing an embodiment (3) of the packaging container for contact lenses according to the present invention.

FIG. 14 is a sectional view showing an embodiment (3) of the packaging container for contact lenses according to the present invention.

FIG. 15 is a top view showing an embodiment (4) of the packaging container for contact lenses according to the present invention.

FIG. 16 is a sectional view showing an embodiment (4) of the packaging container for contact lenses according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Contact lens packaging container 2 Storage part 3 Flange 4 Opening 5 Lid 6 Liquid pool part 7 Joining part 8 Groove 9 Cover seal 11 Cass 21 Storage part inner surface 30 Contact lens packaging container 32 Storage part 36 Liquid pool part 38 Step portion 40 Contact lens packaging container 42 Storage portion 46 Liquid pool portion 50 Contact lens packaging container 52 Storage portion 56 Liquid pool portion 61 Inner boundary of groove 62 Boundary outer boundary 63 Inner circumference of step Boundary part 64 Boundary part of outer circumference of stepped part 71 Inner circumference of heat seal part 100 Packaging container of conventional contact lens 200 Packaging container of conventional contact lens C Contact lens W Preservation liquid L Outer perimeter of liquid reservoir and connecting part Width of groove M2 Width of step M3 Width of groove M4 Width of groove K Depth of groove K2 Depth of step Sa

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 2H006 DA08 3E067 AA13 AB95 AC04 BA34A EE60 FA01 FB02 FC01 GA23 3E096 AA11 BA21 BB04 CA11 DA30 DC01 FA10 GA01

Claims (6)

[Claims] 1. A contact lens comprising a contact lens, a storage portion for storing a preservation solution for the contact lens, a flange extending around the outer periphery of the storage portion, and a lid closing an opening of the storage portion. In packaging containers,
A container for contact lenses, wherein a reservoir of the preservative liquid is provided on the entire outer periphery or a part of the storage portion. 2. The contact lens packaging container according to claim 1, wherein the liquid reservoir is a groove provided on the entire outer periphery or a part of the storage portion. 3. The contact lens packaging container according to claim 1, wherein the liquid pool portion is a step portion having a surface lower than a flange surface provided on the entire outer periphery or a part of the storage portion. Contact lens packaging container. 4. The packaging for a contact lens according to claim 1, wherein the liquid reservoir is large enough to receive the contact lens. container. 5. The packaging container for a contact lens according to claim 1, wherein a coupling portion that couples the flange and the lid is located at a position where scum generated when the coupling portion is peeled off does not contact the liquid pool portion. A packaging container for contact lenses, characterized in that it is provided. 6. The contact lens packaging container according to claim 1, wherein a distance between an inner periphery of a connecting portion connecting the flange and the lid and an outer periphery of the liquid reservoir is 0.5 mm.
Not less than 5 mm, preferably not less than 0.8 mm and 1.5 mm
A packaging container for a contact lens, characterized in that: