JP2012110592A - Shipping container for contact lens - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a shipping container for a contact lens, a container which makes it possible to take out a contact lens without causing scratches on the lens from a recess of the shipping container for a contact lens and which is free from adversely affecting optical characteristics of the lens when storing it and capable of holding the contact lens in a specific position.SOLUTION: The shipping container includes: a container body comprising a recess 1 for storing a contact lens 5, a flange 2 and a support 3 that are formed in the periphery of the recess 1; and a lid 4 for covering the recess 1. The shipping container is characterized in that the recess 1 and the lid 4 are formed in a manner that at least the entire circumference of the periphery 10 of the contact lens 5 comes into contact with the lid 4, thereby making the contact lens 5 adsorbed to the lid 4.

Description

  The present invention relates to a shipping container for contact lenses. More specifically, the present invention relates to a contact lens shipping container that has excellent removability at the time of opening and front / back stability during storage.

  Recently, blister containers in which contact lenses are individually packaged are used when distributing contact lenses to the market.

  A general blister container has a synthetic resin main body having a contact lens and a hemispherical recess for storing the storage solution, and a flange extending around the opening, and a laminate of polypropylene film and aluminum foil. It is comprised by the cover part which consists of a thing, and the welding method by a heating or an ultrasonic wave is used for the seal | sticker of a main-body part and a cover part.

  However, the conventional blister container has a large indentation volume, so the stability of the contact lens in the container is poor, and depending on the handling during distribution, the front and back of the contact lens may be reversed in the container, and after opening Smooth wearing was not possible because the front and back of the contact lens had to be distinguished.

  As a method of taking out the contact lens from the blister container, there is a method of picking the contact lens taken out of the storage solution on the palm with a fingertip. However, in this method, there is a risk that the contact lens may be washed away. Since the contact lens is bent, the optical characteristics of the lens may be adversely affected, or the lens surface may be scratched. Also, it is common practice to peel off the lid from the main body, open the blister container, and then put your fingers into the dent and scoop up the contact lens with your fingertips. In the process, there is a high possibility that the contact lens will come in contact with the trace of the welded portion that is generated when the lid portion is peeled off from the main body portion, and the lens may be damaged.

  Scratches on the surface of the contact lens are not preferable because they cause damage during scrubbing, and dirt tends to accumulate there, causing a feeling of wearing and a reduction in visual acuity correction.

  Furthermore, in the method of putting a finger into the depression and scooping it up with the fingertip, the finger touches the base curve surface of the contact lens that touches the cornea when worn, so that the contact lens is contaminated by dirt and bacteria attached to the finger. There is a risk of contamination. In particular, when the fingers are not sufficiently washed, there is a concern about the risk of inducing eye diseases caused by this contamination.

  Therefore, a convex portion that receives the concave portion of the contact lens on the bottom surface of the storage portion as a storage container that facilitates the operation of taking out the contact lens from the blister container and that can stably store the contact lens in a fixed position of the storage portion. In addition, there is known a container in which the peripheral wall of the storage portion is inclined so as to expand from the bottom surface toward the opening (see Patent Document 1).

  In addition, as a method of preventing the inversion of the front and back by improving the stability of the contact lens in the container, the contact lens and the spring disk are placed in the blister container housing space shallower than the contact lens cup depth (sagittal depth). A contact lens package is also known in which a contact lens is lifted when it is sandwiched and stored in a storage sheet and returned to a state where it is not pressed by opening (see Patent Document 2).

  In addition, as a method for efficiently distributing a blister container in which a contact lens is sealed, a form in which a required number of blister containers are joined in a lateral direction and stored in a package is also known (see Patent Document 3). Furthermore, as a method for improving portability, a contact lens shipping container is also known in which an arbitrary number of blister containers according to the user's needs are stacked by fitting the containers together (see Patent Document 4).

Japanese Patent Laid-Open No. 10-313928 JP 2005-250496 A JP 09-169357 A JP 2008-105725 A

  Since the container described in Patent Document 1 is taken out by a method of picking up the contact lens from the inside of the container, the number of times of contact with the contact lens base curve surface by fingers is reduced, while the container of the container is picked up when picking up the contact lens. There is a problem that scratches may occur due to contact between the convex portion and the base curve surface of the contact lens.

  The contact lens package described in Patent Document 2 is stored in a state where the contact lens is sandwiched with a spring disk in a blister container shallower than the depth of the contact lens cup. There are fears for new problems such as adverse effects on the surface and poor shape, and damage to the contact portion of the contact lens with the spring disk.

  In addition, the form of the container described in Patent Document 2 is also considered in terms of space saving and is advantageous in portability, but as mentioned above, there are concerns about adverse effects on optical characteristics and shape defects, as well as contact. Since the lens storage space is extremely shallow, the stored contact lens may be dropped when the sheet is peeled off.

  Therefore, the inventor of the present application reduces the occurrence of scratches at the time of taking out or storing the contact lens, and does not adversely affect the optical characteristics of the lens. We thought that it would be important for the prevention of breakage, wearing comfort, and loss of vision correction.

  Recently, contact lenses that are disposable in a single day have become the mainstream, so users are required to carry multiple blister containers when going out with a stay. The connection container described in Patent Document 3 is not considered in terms of the combination of individual blister containers and is not excellent in portability. In order to improve the portability when carrying any number of blister containers, it is necessary to devise the combination of the blister containers. It is most important to prevent defects.

  The shipping container for contact lenses described in Patent Document 4 can be stacked by fitting the containers together, has good combination properties, and does not have an adverse effect on the optical characteristics, while the height when the containers are stacked is high. There was room for improvement in terms of space saving.

  Therefore, the present inventor can take out the contact lens from the recess of the contact lens shipping container without causing damage to the lens, and without adversely affecting the optical characteristics of the lens during storage. Another object of the present invention is to provide a contact lens shipping container that can keep a contact lens in a certain position. Furthermore, the inventor of the present application can improve the space saving and portability by considering the combination of the shipping containers for contact lenses so that the user can carry an arbitrary number as needed in a stable state. It was an issue.

  In order to solve the above problems, the inventors of the present invention consider the shape of the contact lens so that the contact lens and the inner surface of the lid come into contact with each other when the container is stored. Attempts have been made to develop a method that allows contact lenses to be removed without contact with the container.

  The present invention relates to a contact lens shipping container comprising: a recess portion that accommodates a contact lens; a container body portion having a flange portion and a support portion formed around the recess portion; and a lid portion that covers the recess portion. Provided is a contact lens shipping container, wherein the recess and the lid are formed so that at least the entire circumference of the contact lens is in contact with the lid, and the contact lens is adsorbed to the lid. To do.

  In the contact lens shipping container of the present invention, the lid portion has a spherical shape protruding into the recess, and the curvature of the protrusion is the same as or larger than the curvature of the base curve of the contact lens. It is formed.

  In the contact lens shipping container of the present invention, the lid portion has a planar shape that does not have a shape protruding into the recess portion.

  The contact lens shipping container of the present invention is characterized in that the lid portion has a protruding portion on a lower side than a peripheral edge portion of the contact lens when the lid portion is opened.

  The contact lens shipping container according to the present invention is characterized in that the recess has a spherical shape, and the curvature of the recess is larger than the curvature of the front curve of the contact lens.

  Further, in the contact lens shipping container of the present invention, the depth of the recess is 100% to 200% with respect to the height from the center portion to the peripheral portion of the contact lens housed in the recess. It is characterized by being formed.

  The contact lens shipping container of the present invention is characterized in that, in the contact lens shipping container, the support portion is formed so that the containers can be stacked.

  The shipping container for contact lenses of the present invention comprises a hollow portion for accommodating a contact lens, a container body portion having a flange portion and a support portion formed around the hollow portion, and a lid portion covering the hollow portion, The recess and the lid are formed so that at least the entire circumference of the contact lens is in contact with the lid, and the contact lens is adsorbed to the lid, so that at least the periphery of the contact lens is formed on the inner surface of the lid. The contact lens is adsorbed on the inner surface of the lid part and stored by the negative pressure generated by the contact of the entire circumference of the part or the surface tension of the storage liquid.

  Therefore, the shipping container for contact lenses of the present invention can be easily taken out from the container body with the contact lens adsorbed to the lid when opened, and the lens surface is not damaged and easily Contact lenses can be removed. In addition, since the contact lens is stored by adsorbing to the inner surface of the lid, it can be kept in a fixed position inside the container, preventing inversion of the front and back during storage and eliminating the complexity of handling when wearing the lens. can do. As a result, there is no contact with the contact lens base curve surface by fingers, and there is an effect that the lens can be prevented from being contaminated and eye diseases caused by this contamination can be reduced.

  In the contact lens shipping container of the present invention, the lid portion has a spherical shape protruding into the recess, and the curvature of the protrusion is the same as or larger than the curvature of the base curve of the contact lens. By being formed, the protruding portion of the lid portion comes into contact with at least the entire circumference of the contact lens, so that the contact lens can be reliably adsorbed to the lid portion.

  Further, the contact lens shipping container of the present invention is such that the lid portion has a flat shape that does not have a shape protruding into the recess portion, so that the lid portion with a simple shape and the entire periphery of the peripheral portion of the contact lens can be obtained. The contact lens can be adsorbed to the lid portion with a simple configuration.

  In addition, the contact lens shipping container of the present invention has a protrusion on the lower side of the peripheral edge of the contact lens when the lid is opened, when the lid is opened. There is an effect that it is possible to prevent the contact lens adsorbed on the lid from slipping off.

  The contact lens shipping container according to the present invention is such that the recess has a spherical shape, and the curvature of the recess is larger than the curvature of the front curve of the contact lens. There is an effect that the contact area between the surface and the recessed portion is reduced, the contact lens is prevented from being adsorbed to the container main body, and can be reliably adsorbed to the lid.

  Further, in the contact lens shipping container of the present invention, the depth of the recess is 100% to 200% with respect to the height from the center portion to the peripheral portion of the contact lens housed in the recess. The contact lens can be accommodated in the recess so that the entire periphery of the contact lens is in contact with the lid, and the stability can be improved by reducing the height of the container. is there.

  Further, the contact lens shipping container of the present invention has a configuration in which the containers can be easily stacked by forming the support portion so that the containers can be stacked in the contact lens shipping container. Space can be achieved, and the convenience of shipping and carrying can be improved.

Sectional drawing which shows the 1st aspect of the shipping container for contact lenses of this invention. Sectional drawing which shows the 2nd aspect of the shipping container for contact lenses of this invention. Sectional drawing which shows the 3rd aspect of the shipping container for contact lenses of this invention. Sectional drawing which shows the 4th aspect of the shipping container for contact lenses of this invention. Sectional drawing which shows the state which accumulated the shipping container for contact lenses in a 1st aspect. Sectional drawing which shows the state which accumulated the shipping container for contact lenses in a 3rd aspect. (A) Sectional drawing which shows the aspect which attached | subjected the projection part to the cover part in the 1st aspect. (B) The front view which shows the aspect which attached | subjected the projection part to the cover part in the 1st aspect. Sectional drawing which shows the state which opened the shipping container for contact lenses of FIG.

  A shipping container for contact lenses according to the present invention covers a hollow body 1 having a hollow portion 1 for accommodating a contact lens 5, a flange portion 2 formed around the hollow portion 1 and a support portion 3, and the hollow portion 1. The indented portion 1 and the lid portion 4 are formed so that at least the entire circumference of the contact lens 5 is in contact with the lid portion 4, and the contact lens 5 is made to be the lid portion 4. It is made to adsorb | suck to.

  The inventors of the present application focused on the blister container mode and the reduction of adverse effects due to the peeling off of the adhesive portion occurring at the time of opening in order to improve the convenience when taking out the contact lens 5 from the blister container used during distribution.

  In the present invention, the depression 1 and the lid 4 are formed so that the entire circumference of the peripheral edge 10 of the contact lens 5 accommodated in the depression 1 is in contact with the lid 4, and the lid 4 and the contact lens 5 The contact lens 5 is attracted to the lid portion 4 by the negative pressure generated in the enclosed space.

  Since the lid portion 4 of the container has an aluminum material having high thermal conductivity, when the lid portion 4 is heat-sealed to the container body portion, the temperature of the space surrounded by the lid portion 4 and the contact lens 5 is in the depression portion 1. The preservation solution and gas existing in this space are thermally expanded. The storage solution and the gas are eventually cooled to room temperature, and due to the thermal contraction of the storage solution and the gas generated by the air cooling, a negative pressure is generated in the space surrounded by the lid 4 and the contact lens 5. Will be adsorbed.

  Moreover, since the thickness of the aluminum material normally used for the cover part 4 is as very thin as 0.1 mm or less, the cover part 4 itself is also easily thermally expanded at the time of heat sealing. This is one factor that generates negative pressure in the space surrounded by 4 and the contact lens 5.

  In addition, the cause of adsorption | suction of the cover part 4 and the contact lens 5 is not restricted to a negative pressure, The influence of the surface tension of the preservation | save liquid accommodated with the contact lens 5 in the hollow part 1, the hydrophilic property of each raw material, etc. It is thought that it can receive.

  Hereinafter, in order to clarify the present invention more specifically, embodiments of the present invention will be described in detail with reference to the drawings.

  The contact lens shipping container includes a contact lens 5 and a spherical recess 1 for storing the storage solution thereof, a flange portion 2 extending around the opening of the recess 1, and a container main body having a support portion 3. , A blister container composed of a lid portion 4 covering the hollow portion 1.

  The shape of the lid 4 is determined based on the shape of the contact lens 5 and the depth of the recess 1. The lid 4 has a spherical shape protruding into the recess 1 as shown in FIG. 1 in order to generate negative pressure as high as possible and improve the adsorptivity of the contact lens 5. preferable. In addition, the shape of the cover part 4 should just be formed so that the contact lens 5 may adsorb | suck to the inner surface of the cover part 4 at least the peripheral part 10 circumference | surroundings of the contact lens 5 may contact | connect the cover part 4, and normal. A planar shape may be used like the lid portion 4 of the blister container.

  The shape of the protruding portion of the lid portion 4 is formed so as to contact the inner surface of the lid portion 4 at least at the entire circumference of the peripheral edge portion 10 of the contact lens 5, so that the contact lens 5 and the lid portion 4 are effectively and uniformly formed. It is possible to make contact, and a higher negative pressure can be generated than in the case of a planar shape.

  Further, it is preferable that the curvature of the protruding portion of the lid portion 4 is formed in a spherical shape that is the same as or larger than the curvature of the base curve of the contact lens 5, so that the adsorptivity is improved. The curvature of the protrusion part of the lid part 4 is preferably 100% to 150%, more preferably 100% to 125% with respect to the curvature of the base curve of the contact lens 5.

  The adsorbing force between the lid 4 and the contact lens 5 is not only the negative pressure generated in the space surrounded by the lid 4 and the contact lens 5 but also the external pressure generated in the space between the front curve of the contact lens 5 and the recess 1. Also affected. In this contact lens shipping container, the external pressure is a pressure at which the storage liquid in the depression 1 pushes the front curve of the contact lens 5, and the pressure increases as the contact area between the front curve of the contact lens 5 and the storage liquid increases. Becomes bigger. That is, the shape of the hollow portion 1 of the container main body affects the strength of the external pressure. In order for the entire periphery of the contact lens 5 to contact the lid 4 effectively and uniformly, it is preferable that the external pressure acts uniformly on the entire surface of the contact lens 5. The container body is formed with the depression 1 so that the contact lens 5 is maintained at a fixed position in the depression 1 so that the external pressure acts uniformly.

The container body portion is formed in a spherical shape with respect to the hollow portion 1 so that the contact lens 5 is held by its own weight so that the central portion 9 of the contact lens is in contact with the central portion 9 which is the deepest portion of the hollow portion 1. can do.
Further, it is preferable that the recess 1 is formed so that the curvature of the spherical shape is larger than the curvature of the front curve of the contact lens 5 so as to stably hold the contact lens 5 at the deepest part. That is, the curvature of the recess 1 is preferably 101% to 175% and more preferably 105% to 150% with respect to the curvature of the front curve of the contact lens 5. With this configuration, the container main body portion has a smaller contact area between the front curve surface of the contact lens 5 and the recessed portion 1, and the contact lens 5 is prevented from adsorbing to the container main body portion, so Can be adsorbed.

  In this contact lens shipping container, the lid portion 4 is a sheet type formed by an integral sheet structure in which the entire lid portion 4 can be removed at the time of opening, or a pull top from which only the opening portion of the recess portion 1 can be removed. It is formed by the pull top type formed by the structure. 1-4, the cover part 4 is a sheet | seat type thing. Reference numeral 8 in the figure denotes a film welding portion, which is hermetically sealed by welding the lid portion 4 and the container main body portion at the flange portion 2 around the hollow portion 1 in the same manner as a normal blister container.

  The lid 4 is formed of a laminate of a polypropylene film and an aluminum foil. The lid 4 is preferably formed of a laminate of polypropylene and aluminum foil, or the same synthetic resin as the container body, and the former is preferably by press molding and the latter is preferably by injection molding. As a method for joining the lid 4 and the container main body, it is preferable to use an ordinary plastic welding method such as thermal welding, ultrasonic welding, or high-frequency welding. Depending on the material, an adhesive or solvent bonding method may be used. Also good. Since the joining method can efficiently generate a negative pressure in the space surrounded by the lid 4 and the contact lens 5 and can reliably adsorb the contact lens 5 to the lid 4, use thermal welding. Is most preferred.

  Since the synthetic resin used in the container of the present invention needs to be sterilized after the contact lens 5 and the preservation solution are sealed, those having heat resistance and chemical resistance that can withstand autoclave sterilization are preferable. In general, polyethylene, polypropylene, alicyclic polyolefin, polyethylene terephthalate, polybutylene terephthalate, polycarbonate, thermoplastic elastomer, and the like can be given. For this container, for example, the same synthetic resin is preferably used for the container body and the lid 4 in terms of molding. Further, the present container has an advantage that fitting between containers becomes easy when a flexible resin such as a thermoplastic elastomer is used for either the container main body or the lid 4. Furthermore, this container also has the advantage of facilitating disposal after use by using a biodegradable resin having heat resistance.

  In this shipping container for contact lenses, in order to effectively attract the contact lens 5 to the inner surface of the lid portion 4, the depth c from the peripheral position 11 of the recess portion 1 to the inner wall side center portion 9 of the recess portion 1 The relationship with the cup depth (sagittal depth) d from the peripheral edge 10 of the contact lens 5 to the center 9 of the contact lens 5 is important. In order to effectively attract the contact lens 5 to the inner surface of the lid 4, it is preferable to design the c / d value to be 100% to 200%, and to design 125% to 175%. It is more preferable. When the value of c / d is less than 100%, the peripheral edge portion 10 of the contact lens 5 becomes higher than the peripheral edge position 11 of the hollow portion 1, so that the lid portion 4 is joined to the container main body portion. In addition, the contact lens 5 is held in the depressed portion 1 in a crushed state, and there is a concern that the optical characteristics of the lens may be adversely affected. On the other hand, when the value of c / d exceeds 200%, the depth of the hollow portion 1 becomes deep and the length of the support portion 3 becomes too long, which is not preferable because the stability of the container is lowered.

  In addition, when the value of c / d is 100%, that is, when the peripheral edge portion 10 of the contact lens 5 and the peripheral edge position 11 of the hollow portion 1 have the same height, as shown in FIG. Even if the planar shape does not protrude into the portion 1, the contact lens 5 can be adsorbed to the lid portion 4. In this case, the contact lens 5 is adsorbed in contact with the lid portion 4 and the peripheral edge portion 10.

  EXAMPLES Hereinafter, the present invention will be specifically described with reference to examples, but these do not limit the present invention.

[First aspect of container]
FIG. 1 is a cross-sectional view showing a first embodiment of a contact lens shipping container according to the present invention. The container main body portion shown in FIG. 1 is connected to the flange portion 2, a spherical recess portion 1 that accommodates the contact lens 5 and its storage solution, a flange portion 2 that spreads around the opening of the recess portion 1, and the flange portion 2. Supports 3 are provided at both ends. Further, the container shown in FIG. 1 has a shape in which the lid portion 4 protrudes into the hollow portion 1, and is installed at three locations including two support portion placement portions 12 and the outer wall side central portion 7 of the hollow portion 1. The container body is supported without being tilted. In addition, the container shown in FIG. 1 may be installed only in the two support part installation parts 12, and may be formed so that a container main-body part may be supported without inclining. That is, in this container, it is preferable that the relationship between the depth a from the peripheral edge position 11 of the hollow portion 1 to the outer wall center portion 7 and the height b of the support portion 3 is a ≦ b.

  Further, the present contact lens shipping container is configured so that the most distal portion 6 on the inner surface of the lid portion 4 and the deepest portion (center portion on the outer wall side of the recess portion) 7 of the recess portion 1 are aligned in the vertical direction. It is possible to improve the position stability of the contact lens 5 during storage of the most. Further, by forming the container in this way, the contact lens 5 can be effectively and uniformly pressed against the inner surface of the lid portion 4.

  FIG. 5 is a cross-sectional view showing a state in which the contact lens shipping containers in the first embodiment are stacked. The container main body is formed by spreading the support portion 3 outward from the flange portion 2 toward the tip portion, so that the container main body can be stacked. Moreover, since this container has the shape which the cover part 4 protruded in the hollow part 1, the recessed part which can insert the hollow part 1 of another container in the cover part 4 is formed. Therefore, this container can be stored in a space-saving manner by lowering the height when stacked and used by inserting the recess 1 of another container into the recess.

  The support part 3 is formed so that the front end part is directed downward, and the front end of the support part 3 abuts on the support part 3 of another container to determine the interval between the containers. As described above, the container is preferably formed so that the container is supported with the support portion 3 as a support point when the containers are stacked and carried. In this container, when the container is formed so as to be supported by the recess 1 of the container body and the recess of the lid 4, the lid 4 of the lower container is pressed by the weight of the upper container, The negative pressure generated when the contact lens 5 and the lid 4 are in contact with each other is weakened, and the contact lens 5 is hardly attracted to the lid 4.

  This shipping container for contact lenses can be stacked and used when carrying. In consideration of stability, when the blister container is placed on a horizontal plane, the container body is preferably formed so as not to be tilted and supported.

[Second embodiment of container]
FIG. 2 is a cross-sectional view showing a second embodiment of the shipping container for contact lenses of the present invention. The container main body shown in FIG. 2 is connected to the flange portion 2, a spherical recess portion 1 that accommodates the contact lens 5 and its storage solution, a flange portion 2 that spreads around the opening of the recess portion 1, and the flange portion 2. A support 3 is provided at one end. When the container main body has the support 3 only at one end, the container main body is installed at two locations, that is, the support grounding portion 12 and the deepest portion (the central portion on the outer wall side of the recess) 7 of the recess 1, and the container main body is inclined It is formed so as to be supported. That is, in this container, the relationship between the depth a from the peripheral position 11 of the hollow portion 1 to the outer wall center portion 7 and the height b of the support portion 3 is a = b. The other structure of this container is the same as that of a 1st aspect.

[Third embodiment of container]
FIG. 3 is a cross-sectional view showing a third embodiment of the contact lens shipping container of the present invention. This shipping container for contact lenses has a flat shape in which the lid 4 does not have a shape protruding into the recess 1, and the depth c of the recess 1 is equal to the depth d of the cup of the contact lens 5. It is formed so that In this container, the contact lens 5 is circumferentially contacted by the lid portion 4 and the peripheral edge portion 10 to adsorb it.

  The container main body portion shown in FIG. 3 is connected to the flange portion 2, a spherical recess portion 1 that accommodates the contact lens 5 and its storage solution, a flange portion 2 that spreads around the opening of the recess portion 1, and the flange portion 2. Supports 3 are provided at both ends. This container is installed in the two support part installation parts 12 so that the cover part 4 becomes a horizontal planar shape, and is formed so that a container main-body part may be supported without inclining. That is, in this container, the relationship between the depth a from the peripheral position 11 of the hollow portion 1 to the outer wall center portion 7 and the height b of the support portion 3 is a <b. Note that this container may be formed in a relationship of a = b when the containers are not stacked.

  FIG. 6 is a cross-sectional view showing a state in which contact lens shipping containers in the third embodiment are stacked. The container main body portion has a shape in which the support portion 3 is slightly expanded outward from the flange portion 2 toward the distal end portion, so that the container main body portions can be stacked. Although this container cannot insert the hollow part 1 of a container main-body part into the cover part 4, by making the support part 3 into the shape which extended outside, combination property improves and it saves when using it by stacking. Space can be achieved. In the embodiment of FIG. 6, the distance between the containers is set so that the distance between the containers determined by the tip of the support part 3 abutting against the support part 3 of another container matches the depth a of the recess 1. Minimized.

[Fourth aspect of container]
FIG. 4 is a cross-sectional view showing a fourth embodiment of the shipping container for contact lenses of the present invention. The container body shown in FIG. 4 is connected to the flange portion 2, a spherical recess portion 1 that accommodates the contact lens 5 and its storage solution, a flange portion 2 that spreads around the opening of the recess portion 1, and the flange portion 2. Supports 3 are provided at both ends. The support portions 3 are formed at different heights, and are inclined and supported when the container main body portion is placed on a horizontal plane. This container may be formed so as to be installed and supported in the two support part installation parts 12, and three places including the two support part installation parts 12 and the outer wall side central part 7 of the hollow part 1. The container body may be formed so as to support the container.

  In this container, the relationship between the depths a and a ′ from the peripheral position 11 of the hollow portion 1 to the outer wall center portion 7 and the height b of the support portion 3 is a ′ <a <b. This container is suitable for carrying a small number of containers because the stability is reduced when a large number of containers are stacked, compared to other shapes. This container can improve stability when stacked by forming the difference between a ′ and a and the difference between a and b so as to be small. The other structure of this container is the same as that of a 1st aspect.

[Modification of the first aspect]
Fig.7 (a) is sectional drawing which shows the aspect which attached | subjected the projection part 13 to the cover part 4 in the container of a 1st aspect, FIG.7 (b) is the front view. FIG. 8 is a cross-sectional view showing a state where the contact lens shipping container of the present embodiment is opened.

  The lid portion 4 has a protruding portion 13 that protrudes in the inner surface direction on the opposite side of the opening piece (not shown) and below the peripheral edge portion 10 of the contact lens 5 when the lid portion 4 is opened. Since the lid portion 4 has the protruding portion 13, it is possible to prevent the contact lens 5 adsorbed on the inner surface of the lid portion 4 from slipping down. The shape and size of the protrusion 13 are not particularly limited as long as the contact lens 5 can be prevented from slipping off.

  EXAMPLES Hereinafter, although an Example demonstrates this invention, this invention is not limited only to this Example.

  In the first and third aspects of the contact lens shipping container of the present invention, the base curve and front curve of the contact lens 5, the protrusion of the lid 4 and the recess 1 are produced with the curvature shown in Table 1 and the recess. The depth of the part 1 was produced at the depth shown in Table 1 (expressed as a ratio to the cup depth (sagittal depth) of the contact lens 5). Moreover, the blister container (made by a seed company / seed 2week Pure) currently distribute | circulated to the market was used for the comparative example.

  Table 1 shows the number of contact lenses 5 to be adsorbed to the lid part 4 and the number of contact lenses 5 inverted in the recessed part 1 for each of Examples 1, 2 and Comparative Example. . The evaluation results shown in Table 1 show that the contact lens 5 is attracted to the lid 4 with a probability of nearly 100% in the contact lens shipping container of the present invention, whereas the number of attracted sheets is 0 in the conventional blister container. Is shown.

  The bottom column of Table 1 shows the height when 10 blister containers are stacked for Examples 1 and 2 and Comparative Example. The evaluation results in Table 1 show that the stacked height of the contact lens shipping container of the present invention is less than half that of the conventional blister container.

DESCRIPTION OF SYMBOLS 1 Depression part 2 Flange part 3 Support part 4 Lid part 5 Contact lens 6 The most advanced part of an inner surface of a lid part 7 Depth part deepest part (dent part outer wall side center part)
8 Film welded part 9 Contact lens center part (recessed part inner wall side center part)
10 Contact lens peripheral portion 11, 11 'Depressed portion peripheral position 12 Support portion installing portion 13 Cover portion inner surface protruding portion a, a' Depth of recessed portion from outer peripheral position (outer wall side)
b Height of the support portion c Depth of the recess from the periphery of the recess (inner wall side)
d Contact lens depth

Claims (7)

In a contact lens shipping container comprising: a recess portion that accommodates a contact lens; a container body portion having a flange portion and a support portion formed around the recess portion; and a lid portion that covers the recess portion.
The contact lens shipping container, wherein the recess and the lid are formed so that at least the entire circumference of the contact lens is in contact with the lid, and the contact lens is adsorbed to the lid.   2. The lid portion according to claim 1, wherein the lid portion has a spherical shape protruding into the hollow portion, and the curvature of the protrusion is equal to or larger than the curvature of the base curve of the contact lens. Shipment container for contact lenses as described.   The contact container shipping container according to claim 1, wherein the lid portion has a planar shape that does not have a shape protruding into the hollow portion.   4. The contact lens shipping container according to claim 1, wherein when the lid is opened, the lid has a protrusion on a lower side than a peripheral edge of the contact lens. 5. .   5. The contact lens according to claim 1, wherein the recess has a spherical shape, and the curvature of the recess is larger than the curvature of the front curve of the contact lens. For shipping containers.   The depth of the dent portion is formed to be 100% to 200% with respect to the height from the center portion to the peripheral portion of the contact lens housed in the dent portion. The shipping container for contact lenses according to 2, 4 or 5.   The contact lens shipping container according to any one of claims 1 to 6, wherein the support portion is formed so that the containers can be stacked with each other.

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