TWI262160B - Packaging structure of contact lens - Google Patents

Abstract

This invention relates to a packaging structure of contact lens, including: a base element and a flexible cap. The base element is formed on a top thereof with a cavity indenting downwards for receiving the contact lens in an aseptic water solution. A projection is bulged from a top of the periphery of the cavity. The base element is integrally formed to a side thereof with a plait. The plait is situated on the same horizontal level with the base element under normal state and can be folded to a predetermined angle in use. In addition, the flexible lid is releasably sealed over the projection surface to cover a top formed by the base element and the plait, so as to provide a safe, easily-peelable and storage space-reducing structure.

Description

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1262160

open. Moreover, the packaging structure is transported and squeezed, and the difficulty of further tearing the surface of the flexible 70 or the cover member. During the process, the cover piece 71 may be closely attached to the side of the seat member 70, and the user may dial the shape of the tenth body member, that is, the seat 82, which is the same, tear-shaped, At the same time, the user is torn open, L, arc shape is more space-consuming, when the stacking of the stack is thrown, the transport or storage also requires a larger number of the whole body element cover sheet to open the flexible cover However, this or irregularity, due to its type, when its quantity of volume containers is measured, is another non-planar 80-side shape 8 1 covering its user to pull the piece 8 1 and its structure is in use. The special shape of the disposable stealth is relatively increased, not only the storage, but also the freight phase | two 曰 π structure, into a soft and flexible 'two curved sheet surface into the body element limit, if the glasses are not placed in the way of adding or In order to be able to move the shape of the 8 2 to make the following points, in the whole package month, can be effectively larger and irregularly curved into a slightly different top, with the shortcomings of the body package only weekly tossing down Space, inclined face The large bending becomes convenient, so that when transporting, it can be transported according to the gradually changing package. 2. The method of pulling the curved piece to separate the flexible cover sheets requires appropriate skill, because the pressure is also pressed at the same time. With the flexible cover sheet, when the hand is relaxed, the elasticity of the curved piece itself will return to its original shape, and it cannot be effectively separated from the flexible cover sheet. Preferably, the finger preferably only touches the vertical surface of the curved piece when being pulled. It is not in contact with the flexible cover sheet, so the convenience is not good. 3, due to the soft deformation of the seat element ' during the transportation process,

1262160 V. Description of invention (3) It can be caused by collision, vibration and squeezing, so that the key ^ I < deformation and rupture, causing unnecessary loss of the shell, and this process may further reduce _ ^ ^ ^ ^ 1 ^ 1 history flexible cover sheet close to the seat part table | face 'will also cause the user to pull the difficulty of tearing. OBJECT OF THE INVENTION The main object of the present invention is to provide a tear-off contact lens package structure, which is mainly provided with a flap which can be bent at a predetermined angle on one side of the base member. The flexible cover sheet on the surface is deformed and separated from the user, so that the user can easily grasp the edge of the flexible cover sheet and tear it apart, and the folded direction of the flap can be folded upward or downward. The present invention contemplates ease of use and is a way of designing the flap to be bent downward. A secondary object of the present invention is to provide a tear-off contact lens package structure, which is mainly used to fix the angle of the downward bend after the flap is bent downward, and on the one hand, the flap can be surely scratched. The cover sheets are separated, and on the other hand, when the flaps are bent, the flexible cover sheets are in a state of being smashed and deformed, thereby making it easier for the user to grasp and tear. Another object of the present invention is to provide a tear-off contact lens package structure, which is provided with a buckle structure capable of fixing the angle after bending of the flap, in addition to a flap. The flexible cover sheet on the side can be surely separated from the 'to facilitate the tearing action. A further object of the present invention is to provide an overall volume that can be reduced after packaging.

Page 7 1262160 V. Invention Description (4) The contact lens packaging structure can make the whole structure in an inverted overlapping package, so that the capacity of a single package can be doubled compared with the traditional method, the storage space is greatly reduced, and the transportation is saved. cost of. To this end, the present invention is primarily comprised of a body member and a flexible cover sheet overlying it, forming a downwardly recessed recess at the top surface of the body member for receiving the contact lens in a sterile aqueous solution. Surrounding the periphery of the recess, the top surface is provided with an upwardly convex protrusion, and one side is provided with a flap integrally formed with the base member, and the thickness of the joint between the seat member and the flap is smaller than that of the seat member. The average thickness is such that the flap is in the same horizontal plane shape as the seat member in the normal state, and can be bent at a predetermined angle when in use, and the flexible cover sheet is tearably sealed to the protrusion. The surface seals the contact lens in the pocket. The invention has the following specific effects in use: 1. The flexible cover sheet is easy to be separated from the flap, which is convenient for the user to grasp and tear; 2. The volume of the whole package can be reduced, the storage space can be saved and the transport can be reduced. Cost; 3. When the structure is stacked, the upper and lower structures can be well supported and protected to prevent the pocket from being crushed and deformed, thereby reducing unnecessary losses. 4. After the flap is bent, its end is bottomed. The edge is at the same level as the bottom edge of the pocket of the seat member, and is horizontal when it is assisted and stably placed, so that the user can take the contact lens to wear;

Page 8 1262160 V. Description of the invention (5) 5. It can make the user feel better when it is hand-held or bent, and it is a design that is considerate and human. In order to make the reviewer clearly understand the detailed process and technical content of the present invention, the inventors will cooperate with the following drawings and detailed explanations, so that the reviewing committee can clearly understand the spirit of the present invention: [The implementation party has the bottom of the packaging structure. The voxel pocket 1 1 is preserved. And there is a ring attached to the strength of the base element. In the recess 1 1 type, the shape of the long strip. In the figure, it is mainly the piece 10, which can be used to surround the upward bulge. 1 2 pieces for 1 week. The present embodiment is like the body of the seat, and the bottom body is a concave-like eye cavity. An element 1 of the spherical surface is provided in the surface of the protrusion. The recess is a perspective view of the present invention. The contact lens element 10 and the flexible cover sheet 20 of the present invention are formed by a rectangular plate body, and the top surface is provided with a downward depression. The mirror is placed along with the sterile aqueous solution and is circumferentially surrounded by the top surface of the base member 10, so that the flexible cover sheet 20 is sealed by heat sealing to seal the contact lens in the recess 11. The skirt portion 13 extends downward to increase the overall seat member 1 as a rectangular shape, but the concave shape, but is not limited thereto, and may be a long elliptical arc shape or irregularity. 1 1 may also be elliptical, rectangular or otherwise. The focus of the present invention is that a side flap of the seat member 1 away from the recess 11 is further provided with a flap 14 which is a seat member.

Page 9 1262160 V. Description of invention (6)

10 0 - body forming, as shown in the second figure, the thickness a between the joints is less than the average thickness of the seat member 10, and the preferred range is less than one-half of the average thickness, so that the fold The sheet 14 can be bent downward at a predetermined angle (as shown in the third figure) centering on the joint, and the predetermined angle ranges from 0 to 90 degrees, and the preferred angle of the embodiment is 5 0 to 7 0. The position of the bottom edge of one end of the folded piece 14 is approximately equal to the position of the bottom edge of the pocket of the seat member 10 to increase the smoothness during placement. The present invention mainly utilizes the bending action of the flaps 14, so that the flexible cover sheet 20 to which the surface is attached can be further separated during use, facilitating the user to perform the tearing operation.

As shown in FIG. 4A, in the perspective view of the bottom view of the present invention, in order to further fix the bent position of the flaps 14, a set of snap structures 30 is disposed at the bottom of the seat member 1 and the flaps 2, The snap structure 30 must have two functions: one, fixing the position of the flap to prevent it from returning to the original position; second, positioning, limiting and ensuring the angle of the bend. The latching structure 30 is provided with a protrusion 3 1 on both sides of the bottom of the flap 14 , and two legs 3 2 are disposed on the moving path of the bottom of the seat member 10 in the bottom of the flap 14 . The two structural positions correspond to each other, wherein the width formed between the two clamping legs 3 2 is slightly smaller than the distance between the outer sides of the two protruding blocks 3 1 , so that when the folding piece 14 is pulled downward, the two protruding blocks 3 1 It is clamped between the two legs 3 2 to fix its position. In addition, an outer protruding positioning block 3 1 1 is disposed on the outer side of each of the protrusions 3 1 , and the bottom edge thereof is inclined at an angle of 3 1 2 , so as to be topped on the side of the clamping leg 32 when the folded piece 14 is bent. , the angle at which the fixed flaps 14 are bent downward. Another such as

Page 10 1262160 ---~----_____ V. Description of the Invention (7) As shown in FIG. 4B, it is another embodiment. In this embodiment, it may be provided on the inner side of the two legs 3 2 . The positioning block 3 2 1 (only one is seen in the figure) 'and the outer side of the protrusion 3 1 has no such structure, which can also achieve the purpose of fixing the angle of the flaps 14. In this embodiment, the clamping leg 32 is long (as shown in FIG. 2), and the bottom edge is a horizontal plane with the bottom edge of the pocket of the seat member 1 ' having the function as a foot of the structural body. Cooperating with the pocket housing of the base member 1, the package structure can be smoothly leveled when not in use (i.e., before the flexible cover sheet 2 is unopened), and the clip 32 also contributes to The strength of the support structure when placed in a package with overlapping inverted packages (this section is described in the following paragraph). In the present invention, the flaps 14 can be bent at a predetermined angle with the base member 1 and have the following specific effects: 1. Temporary deformation caused by the folding of the flaps 14 The flexible cover sheet 2 can be surely separated from it: since the projections 3 i of the flap i 4 are respectively on the bottom sides, when the finger is pulled downward in the middle position of the flap 14 , when reaching a predetermined angle The two sides will be moved by the cassette, and according to the principle of inertia, there is still a force applied to the middle position of the flaps 14. At this time, the flaps i 4 will slightly generate arc-shaped deformation, so that both sides will rise upwards. At this time, the flexible cymbal 2 贴 attached thereto also produces the same deformation. When the user removes the hand, the fold =1 has been clamped and positioned, and the flexible cover 2 is elastic according to its own. Recovery and a flap 1 4 is indeed separated (as shown in the fifth figure), in order to facilitate the user to tear open, or at the flexible cover sheet 20 - side of the two sides of the upward deformation B i, B 2, provide easy to use Take the action of tearing.

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The cover sheet ^=the sheet 14 is bent at the time of use, and is separated by 2; the deflection of the bottom body is matched with the predetermined guide element, and the folded body element 1〇丄4 is at an angle with the seat member 10, that is, the contact area is large. The auxiliary leg portion 'the bottom member i is placed when the bottom member 10 is placed', regardless of whether the flexible cover sheet 2 is torn or not, can be worn to maintain the seat; at an excellent level, it is convenient for the user to take The contact lens helps the seat member 10 and the flap 14 to be in a flat shape during packaging, and is arranged in an inverted arrangement when t is mounted, thereby reducing the space required for packaging.

Less, than the storage space of women's businesses, the use of shipping containers and the reduction of shipping costs have helped. As shown in the second 'four A', the body member 1 is provided with a downwardly extending support portion 15 at a side edge adjacent to the recess, the position being the opposite side of the sheet 14 being used as the opposite side. Auxiliary to maintain the smoothness of the placement, the thinner, softer and softer features allow for a better touch when held or bent, and a thoughtful design. The body member 10 is preferably made of a polymer material that can be injection molded or thermoformed, preferably polypropylene (p〇lypr〇pylene) or other polythratic materials such as polyethylene, poly. Butadiene; or polyester, such as polyethylene terephthalate (PET), polycarbonate (Polycarbonate); or other thermoplastic materials. The flexible cover sheet 2 is a laminated material comprising at least one layer of metal falling layers and at least one layer

1262160 V. DESCRIPTION OF THE INVENTION (9) A polymer layer coated on a foil layer, which is preferably polypropylene or a polyethylene terephthalate (PET) film. The best metal foil layer is aluminum. The flexible cover sheet 20 is sealed to the seat member 10, preferably in the form of a heat seal or a Boeing wave seal.

As shown in the sixth figure, in plan view of the overall package placement, the body member 10 is formed as an overlapping package which is overlapped and inverted and opposite in direction, and at least two sets of seat members can be placed in the space of the single body member. 10, this will reduce the volume of the overall packaging, in the current trend has gradually become disposable lens, the use will gradually increase, so the structure of the user's collection and the manufacturer's storage or delivery, are quite Help, you can also save on shipping costs. In addition, since the set of legs 3 2 of each of the two overlapping body elements 10 in this structure are placed at both ends, the support and protection effect of the upper or lower structure of the overlapping bottom element 1 can be prevented. The structure of the pocket is deformed by being squeezed to avoid undue damage during transportation or handling, and to protect the interests of the manufacturer.

FIG. 7 is a view showing a second embodiment of the present invention, mainly in that a hole 18, 141 is formed in the place where the seat member 10 and the flap 14 are in contact with each other, and the two holes are connected to each other. The hole is shaped like a rectangular parallelepiped, and the purpose is to increase the amount of deformation of the folded piece 14 after bending, so that the amount of deformation of the flexible cover sheet is increased, and the separation effect is increased. As shown in Fig. 7B, in another embodiment, the hole 141 is disposed only at the flap 14 and is a semi-circular through hole, the same purpose as the foregoing. In other words, no matter what

Page 13 1262160 V. DESCRIPTION OF THE INVENTION (ίο) The shape of the hole, or rectangular, circular, or irregular shape, as long as it is placed on the flap 14 is within the scope of the invention. FIG. 8 is a view showing a third embodiment of the present invention, mainly changing the manner of the buckle structure 30. The bottom of the seat member 10 is also provided with two clamping legs 32, and the bottom of the folding piece 14 is also Two protrusions 3 1 are provided, but an auxiliary clip 3 3 is further disposed inside each of the legs 3 2 , and the movement path of each protrusion 3 1 is just between the auxiliary clip 3 3 and the pin 3 2 The position between the clamping leg 3 2 and the auxiliary clip 3 3 is slightly smaller than the thickness of the protruding piece 3 1 . In this embodiment, the clamping leg 3 2 and the auxiliary clamping piece 3 3 are mainly used for clamping. Fixed purpose. In addition, a positioning block 3 1 1 is also disposed outside the protrusion 3 1 . As shown in FIG. 8B, another embodiment of the present invention is mainly provided with a positioning block 3 2 1 on the inner side of the clamping leg 32 to control the angle at which the flap 14 is bent. FIG. 9 is a view showing a fourth embodiment of the present invention, which is another way of fastening the structure 30, mainly by changing the protrusion 3 1A of the short length at the bottom of the 10 - end of the seat member, and The bottom of the flap 14 is provided with a larger and longer clip 3 2A, and the width between the two clips 3 2A is slightly smaller than the width between the outer sides of the two protrusions 3 1 A, in the present embodiment. In the example, the clip 3 2A at the bottom of the flap 14 is used for clamping, and the inside of the clip 3 2A is provided with a positioning block 3 2 1 , which can also achieve the purpose of fixing the angle of the flap 14 . As shown in the ninth embodiment, in another embodiment of the present invention, the positioning block 3 1 1 is disposed on the outer side of the protrusion 3 1 A to control the bending of the flap 1 4 .

Page 14 1262160 V. Description of invention (11) Angle of I fold. The integrated component is used to seal the film I and the seat surface, and is further worn on the foot of the user's gripper. The space and the value of the transport I, in accordance with the above description, set the sterile water on the top body member, a flap, and the bent flap is bent and torn apart to make it cost as a whole, and the invention is applied to the solution of the present invention. When the invisible body is formed, it is made into a predetermined angle, and the horizontally placed structure is wrapped so that it is required. Contact lens bag contact lens is extremely folded. After the flat flexible cover piece is the same degree, the two rear flaps are also placed, so that after use, it has a small size and has a good structure. The deformer can indeed become a convenient volume creation, and the body is covered by the flexible body, which is mainly separated and separated at the same level, so as to facilitate the entire body to take the invisible eye to reduce storage and The above is only the preferred embodiment of the present invention, and is not intended to limit the scope of the embodiments of the present invention. That is, the equivalent variations and modifications made by the patent application of the present invention are covered by the patent scope of the present invention. Η page 15 1262160 Brief description of the drawings [Simplified description of the drawings] The first figure is a perspective view of the present invention; the second figure is a sectional view of the seat member of the present invention; and the third figure is the side of the seat member of the present invention. 4A is a perspective view of another embodiment of the seat member of the present invention; FIG. 4B is a perspective view of another embodiment of the seat member of the present invention; FIG. 5 is a perspective view showing the use of the present invention; FIG. 7 is a view showing a second embodiment of a seat member according to the present invention; FIG. 7B is a second embodiment of the seventh embodiment; FIG. Figure A is a view showing a third embodiment of the seat member of the present invention; Figure 8B is a view showing another embodiment of the eighth body A; Figure 9 is a view showing a fourth embodiment of the seat member of the present invention; Figure IX is a view of another embodiment of the ninth A; the tenth is a perspective view of the conventional packaging structure; and the eleventh is a second plan view of the conventional packaging structure, the flexible cover has been picked up. [Description of the figure] 10 seat element 11 pocket 1 2 protrusion 1 3 skirt 14 flap 1 4 1 hole

Page 16 1262160 Schematic description 1 5 Support 1 8 2 0 Flexible cover 3 0 Snap structure 3 1 Bump

3 1 1 positioning block 3 2 clamping foot 3 2 1 positioning block 3 1 A protruding piece 3 2 A clamping foot 7 0 seat body element 7 1 flexible cover piece 8 0 seat body element 8 1 flexible cover piece 8 2 curved piece

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Claims (1)

1262160 VI. Patent application scope 1 · A contact lens packaging structure comprising: a body component, a recess formed at the top surface to accommodate the contact lens in a sterile aqueous solution, and the top surface of the recess is provided with an upward direction The raised protrusion has a flap integrally formed with the seat member on one side, and the thickness of the joint between the seat member and the flap is smaller than the average thickness of the seat member, so that the flap can be bent during use. Folding at a predetermined angle; a flexible cover sheet covering the top surface formed by the base member and the flap, and being detachably sealed to the protrusion surface. 2. The contact lens packaging structure of claim 1, wherein the body member and the flap are in a planar shape when unfolded. 3. The contact lens package structure of claim 1, wherein the flap has a bending angle ranging from 0 to 90 degrees. 4. The contact lens packaging structure of claim 1, wherein the thickness of the joint between the body member and the flap is less than one-half the thickness of the seat member. The contact lens packaging structure of claim 1, wherein the body member is provided with a downwardly extending support portion on a side edge adjacent to the recess, the support portion being thin and soft. 6. The contact lens packaging structure of claim 1, wherein the bottom edge of the downwardly bent end is about the bottom edge of the pocket of the seat member after the predetermined angle is bent. The location is the same. The contact lens packaging structure according to claim 1, wherein the bottom member and the bottom of the flap are provided with a snap structure for fixing the flap. Page 18 1262160 VI. Scope of application for patents Angle and position after bending. The contact lens packaging structure according to claim 7, wherein the buckle structure is provided with two protrusions at the bottom of the flap, and the base member is disposed at the bottom on the bent path of the flap. There are two legs, wherein the width formed between the outer sides of the two protrusions is slightly larger than the width formed by the inner sides of the two legs. The contact lens packaging structure according to claim 8, wherein an outwardly protruding positioning block is disposed on an outer side of each of the protrusions, and the bottom edge of the positioning block has an inclined angle, and the angle is a matching flap. The angle of the bend. The contact lens packaging structure according to claim 8, wherein an inwardly protruding positioning block is disposed on an inner side of each of the clamping legs, and the bottom edge of the positioning block has an inclined angle, and the angle is a matching folding The bending angle of the piece. The contact lens packaging structure of claim 7, wherein the length of the leg is longer and the bottom edge is about the same as the bottom edge of the pocket of the body member. The contact lens packaging structure according to claim 7, wherein the buckle structure is provided with two protrusions at the bottom of the flap, and the base member is bent at the bottom of the flap at the bottom There are two clamping legs, and an auxiliary clip is further disposed on the inner side of the clamping leg, and the width of the clamping leg and the auxiliary clamping piece is slightly smaller than the thickness of the protruding piece. The contact lens packaging structure according to claim 12, wherein an outer protruding positioning block is disposed on an outer side of each of the protrusions, and the bottom edge of the positioning block is inclined at an angle, and the angle is matched. The bending angle of the flap. 1 4 · Contact lens packaging as described in item 12 of the patent application 1262160 6. In the patent application scope, an inwardly protruding positioning block is disposed on the inner side of each of the clamping legs, and the bottom edge of the positioning block is inclined at an angle which is a bending angle of the folding piece. The contact lens packaging structure according to claim 7, wherein the buckle structure is provided with two clamping legs at the bottom of the flap, and the seat component is bent at the bottom of the flap at the bottom Two protrusions are provided, wherein the width formed between the outer sides of the two protrusions is slightly larger than the width formed by the inner sides of the two legs. The contact lens packaging structure of claim 15, wherein an outwardly protruding positioning block is disposed on an outer side of each of the protrusions, and the bottom edge of the positioning block has an inclined angle, and the angle is matched. The bending angle of the flap. The contact lens packaging structure of claim 15, wherein an inwardly protruding positioning block is disposed on an inner side of each of the clamping legs, and the bottom edge of the positioning block has an inclined angle, and the angle is matched. The bending angle of the flap. The contact lens packaging structure according to claim 1, wherein the flap is provided with a through hole at a side that is in contact with the seat member. The contact lens packaging structure of claim 1, wherein the flap and the seat member are provided with a through hole, and the two holes are connected together. The contact lens packaging structure of claim 1, wherein the body member is made of a thermoformed polymer material. 2 1 . The contact lens package structure of claim 20, wherein the body member is polypropylene (p〇 1 ypropy 1 ene). </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; a polymer layer on the foil layer that is in sealing contact with the protrusions of the body element. The contact lens package structure of claim 20, wherein the polymer layer is polypropylene. The contact lens packaging structure of claim 1, wherein the sealing method is heat sealing. Page 21