JP4943685B2 - Container lid - Google Patents

Description

  The present invention relates to a container lid, and prevents liquid contents from spilling out from a through-hole for removing steam when a hot beverage such as coffee is taken home.

  When taking hot beverages sold at coffee shops, etc., a lid is placed over the opening of the container. Various types have been proposed that are kept sealed while being carried and opened so that they are held (see Patent Documents 1 and 2, etc.).

In addition, as shown in FIG. 7, an example of such a container lid is formed with a fitting portion 2 to the container at the lower end of the outer periphery of the substantially bottomed cylindrical lid body 1. A bottomed protruding cylindrical portion 4 that protrudes upward in an annular shape is formed on the outer peripheral portion, and a part of the upper surface portion 4a is made higher than the other portion to form a squeezing mouth 5, and the protruding cylindrical portion 4 The inner top surface portion 3 is inclined at the lowest side of the sip mouth 5, and the steam generated when the hot beverage is put into the container is released at a position opposite to the highest scent port 5 of the inclined top surface portion 3. In order to replace the hot beverage and air in the case of drinking or squeezing, a small steam vent through hole 6 is provided.
No. 7-10610 Utility Model Registration No. 2600723

  However, such a container lid has a problem in that while the hot beverage is carried while being carried, the liquid level of the hot beverage is shaken to generate a wave, thereby leaking the hot beverage from the through-hole of the steam vent.

  There has never been a container lid that has been problematic until leakage from the through-hole of the vapor vent, and it is desired to develop a container lid that can solve such a problem.

  The present invention has been made in view of the above-described problems and demands of the prior art, and is intended to provide a container lid that prevents contents from leaking out even when being carried.

The lid of the container according to claim 1 of the present invention that solves the problems of the prior art is formed so as to cover the upper end opening of the container and is formed with a squeeze opening penetrating on one side of the outer peripheral edge of the top surface. The squeeze mouth is a container lid provided in a sealed state that is opened when squeezed, and includes a concave portion that projects downward the content liquid that rises along the side wall of the container and a liquid barrier that prevents the liquid from rebounding. In addition, the outer wall and the inner side wall formed on the top surface portion in a substantially U shape in plan view, and the squeeze opening on the outer peripheral edge portion connecting the opening in the top surface portion in a substantially U shape in plan view. It is formed, and a through-hole communicating with the inside and outside of the container is formed on the inner side of the liquid-proof wall portion of the outer peripheral edge portion of the top surface portion on the other side which is the opposite side of the squeeze mouth. .

According to the lid of the container, the outer wall formed in the top surface portion with a concave portion projecting downward and having a liquid-proof wall portion for preventing the content liquid rising along the side wall of the container and its rebounding in a substantially U shape in a plan view. And an inner wall, forming a stagnation mouth on the outer periphery of the outer surface connecting the substantially U-shaped opening in plan view of the top surface, and outside the top surface on the other side opposite to the stagnation mouth A through-hole communicating with the inside and outside of the container is formed on the inner side of the liquid-proof wall part at the peripheral part, and the liquid-proof wall part is formed on the upper surface part even if it rises or rebounds along the container side wall. By avoiding reaching the through hole, leakage of the content liquid from the through hole can be prevented.

Further, the lid of the container according to claim 2 of the present invention is formed so as to cover the upper end opening of the container and have a squeeze opening formed on one side of the outer peripheral edge of the top surface. A container lid provided in a sealed state opened in the container, wherein the content liquid rising along the side wall of the container and the liquid-proof wall part for preventing the liquid from rebounding are provided with a recess protruding downward and annularly in plan view. The other side which is composed of an outer wall and an inner wall formed on the top surface portion, and which forms the stagnation mouth on the outer peripheral edge of the top surface portion outside the annular liquid-proof wall portion, and is opposite to the stagnation mouth A through-hole communicating with the inside and outside of the container is formed in the top surface portion inside the liquid-proof wall portion .

According to the lid of the container, the upper end opening of the container is covered and the stagnation opening is formed on one side of the outer peripheral edge of the top surface part. An outer wall which is a lid of a container to be provided, and includes a content liquid rising along the side wall of the container and a liquid-proof wall part for preventing the liquid from rebounding, and having a concave part protruding downward and formed in an annular shape in plan view on the top surface part The stagnation port is formed in the outer peripheral edge of the top surface portion outside the annular liquid barrier wall, and the other side of the liquid barrier wall on the opposite side to the stagnation mouth. A through hole communicating with the inside and outside of the container is formed in the inner top surface portion, and leakage of content liquid from the through hole in the upper surface portion can be prevented by an annular liquid-proof wall portion against liquid shaking in all directions. I am doing so.

Furthermore, the container lid according to claim 3 of the present invention is characterized in that, in addition to the configuration of claim 2 , the planar liquid-proof wall portion provided with the recess is formed in a circular shape in plan view. It is what.

According to the lid of the container, the planar liquid-proof wall portion provided with the concave portion is formed in a circular shape in plan view, and the circular liquid-proof wall portion is formed from the through hole in the upper surface portion. The content of liquid is prevented from leaking out.

According to a fourth aspect of the present invention, in addition to the structure of the third aspect , the lid of the container is a circular liquid-proof wall provided with the concave portion, and the diameter of the bottom of the concave portion is at least 25 mm or more. It is formed as follows .
According to this container lid, the diameter of the lowest part of the annular recess of the circular liquid barrier wall is set to 25 mm or more so as to prevent leakage of the content liquid from the through hole in the upper surface part. Yes.

In addition to the structure according to any one of claims 1 to 4 , the lid of the container according to claim 5 of the present invention is configured such that the depth of the recess protruding below the liquid-proof wall portion is reduced from the top surface portion. It is formed in the height of the range to the lower end edge of a lid | cover, It is characterized by the above-mentioned.
According to the lid of the container, the depth of the recess protruding below the liquid-proof wall is formed at a height in a range from the top surface to the bottom edge of the lid, and from the top surface of the lid to the bottom The liquid-proof wall portion formed in the range up to the edge can prevent leakage from the through-hole and can secure the stackability of the lid.

Furthermore, in addition to the structure in any one of Claims 1-5 , the lid | cover of the container of Claim 6 of this invention is on the line which connects the center of the outer diameter of the said lid, and the center of the hole of the said mouth. On the other hand, the through hole is formed in a top surface portion that is orthogonal to the line and passes through the lid center and is surrounded by the liquid-proof wall portion .

According to the lid of this container, the line connecting the center of the outer diameter of the lid and the center of the hole of the squeeze hole is surrounded by a virtual line perpendicular to this line and passing through the center of the lid and the liquid barrier The through-hole is formed in the top surface portion, and the range of the through-hole prevents the content from leaking more effectively, while venting the steam when filling the contents and by tilting the container when drinking It also prevents closure and leakage and functions effectively.

According to a seventh aspect of the present invention, in the container lid, in addition to the structure according to any one of the first to sixth aspects, the through-hole is on the opposite side of the stagnation mouth and on the inner side of the liquid-proof wall. It is formed within 5 mm inside from the outer peripheral edge part of the top surface part .

According to the lid of the container, the through hole is formed within 5 mm on the inner side from the outer peripheral edge of the top surface portion on the inner side of the liquid-proof wall on the opposite side of the squeeze mouth, and the through hole in such a range Thus, while preventing the leakage of the contents more completely, it is possible to prevent the closure and leakage due to the steam venting at the time of filling the contents and the inclination of the container at the time of drinking, and to function effectively.

Furthermore, the container lid according to claim 8 of the present invention is characterized in that, in addition to the structure according to any one of claims 1 to 7 , the lid is integrally formed by vacuum / pressure forming or injection molding. Is.

  According to the lid of the container, the lid is integrally formed by vacuum / pneumatic molding or injection molding, and can be efficiently molded to obtain the lid.

According to the container lid of claim 1 of the present invention, the content liquid rising along the side wall of the container and the liquid-proof wall part for preventing the liquid from rebounding are provided with a recess protruding downward and in a substantially U shape in plan view. The other side, which is composed of an outer wall and an inner wall formed on the top surface portion, forms a stagnation mouth on the outer peripheral edge connecting the substantially U-shaped opening in plan view of the top surface portion, and is opposite to the stagnation mouth A through-hole that communicates with the inside and outside of the container is formed inside the liquid-proof wall at the outer peripheral edge of the top surface portion on the side, so that the content liquid that rises or rebounds along the container side wall even if the content liquid sways Can be prevented from reaching the through-hole formed in the upper surface portion of the liquid-proof wall, and leakage of the content liquid from the through-hole can be prevented.

Further, according to the container lid according to claim 2 of the present invention, the upper end opening of the container is covered and the stagnation opening is formed on one side of the outer peripheral edge of the top surface. A lid of a container provided in a sealed state that is opened when squeezed, and includes a concave portion that protrudes downward from a content liquid that rises along the side wall of the container and a liquid-proof wall portion that prevents rebound thereof, and is annular in plan view The outer side wall and the inner side wall formed on the top surface part are formed on the outer peripheral edge of the top surface part on the outer side of the annular liquid-proof wall part, and the opposite side to the stagnation mouth is formed. Since the through-hole communicating with the inside and outside of the container is formed in the top surface portion inside the liquid-proof wall portion on the other side , the annular liquid-proof wall portion prevents the liquid from shaking in all directions from the through-hole on the upper surface portion. The leakage of the content liquid can be prevented.

Furthermore, according to the lid of the container according to claim 3 of the present invention, the planar liquid-proof wall portion provided with the concave portion is formed in a circular shape in plan view. The leakage of the content liquid from the through hole in the upper surface portion can be prevented.

Moreover, according to the lid of the container according to claim 4 of the present invention, since the diameter of the lowest part of the annular recess of the circular liquid barrier wall is 25 mm or more, the liquid barrier wall having a diameter of 25 mm or more, The leakage of the content liquid from the through hole can be effectively prevented.
According to the container lid of claim 5 of the present invention, the depth of the recess protruding below the liquid-proof wall is formed at a height in a range from the top surface to the lower edge of the lid. Therefore, the liquid-proof wall portion formed in the range from the top surface portion of the lid to the lower end edge can prevent leakage from the through hole, and can secure the stackability of the lid.

Furthermore, according to the container lid of claim 6 of the present invention, a virtual line passing through the center of the lid that is orthogonal to the line connecting the center of the outer diameter of the lid and the center of the hole of the squeeze opening. Since the through-hole is formed in the top surface portion surrounded by the wire and the liquid-proof wall portion, the through-hole in such a range prevents the leakage of the content more effectively, and removes steam or drinks when filling the content. Closure and leakage due to the inclination of the container at the time can also be prevented, and the through hole can function effectively.

According to the container lid of claim 7 of the present invention, the through hole is formed within 5 mm on the inner side from the outer peripheral edge portion of the top surface portion on the inner side of the liquid-proof wall portion on the side opposite to the stagnation mouth. since the, the through-hole of such a range, while preventing the leakage of more complete content, can be prevented closure and leakage due to vessel slope when drinking or vapor vent during content filling, complete through-hole Can function.

Furthermore, according to the lid of the container according to claim 8 of the present invention, since the lid is integrally formed by vacuum / pressure air molding or injection molding, the lid can be efficiently molded.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
1A and 1B are a plan view and a cross-sectional view taken along line AA according to one embodiment of a container lid of the present invention.

  The lid 10 of the container (hereinafter simply referred to as the lid 10) can be carried over the top opening of a cup-shaped container in which hot beverage such as hot coffee, hot cocoa, hot chocolate or soup is placed, or can be carried as it is. It is used when taking home, and is formed by vacuum / pressure forming using a synthetic resin sheet.

  The lid 10 is formed in a substantially bottomed cylindrical shape and has an outer peripheral lower end portion that opens downward, and a fitting portion 11 to the container is formed in a substantially inverted U-shaped cross section. The inner and outer peripheral wall surfaces 11a and 11b are fitted to each other, and a plurality of locking portions 11c projecting inwardly on the outer peripheral wall surface 11b are formed at equal intervals along the circumferential direction so as not to be easily removed.

  The top surface portion 12 on the inner peripheral side of the fitting portion 11 of the lid 10 is formed with a bottomed protruding cylindrical portion 13 protruding upward on the outer peripheral portion, and the substantially horizontal upper surface portion 13a of the protruding cylindrical portion 13 is annular. The stagnation opening 14 is formed in a substantially horizontal plane with a part thereof, for example, a portion having a central angle of approximately 90 degrees higher than the other part, and the inner wall of the stagnation opening 14 is recessed as a substantially vertical plane 14a. .

  This kneading mouth 14 is formed so as to be opened so that it can be opened when drinking a hot beverage, and then sealed with a seal or closed so that it can be cut off with a cut formed by a thin part formed in advance, It is in a sealed state until it is closed with a plug prepared separately, so that it can be opened when it is held.

  Furthermore, a liquid barrier 15 projecting downward is formed in a substantially U shape in plan view between the inside of the annular upper surface 13a of the protruding cylindrical portion 13 and the flat surface 14a of the inner wall of the stagnation mouth 14. The liquid barrier wall 15 has a substantially U-shaped outer wall 15a in plan view as a part of a cylindrical side surface, and is also used as a vertical wall 14a inside the squeeze opening 14, and an inner wall 15b has a U-shape in plan view. A part of the cylindrical side surface is formed through the recess 15c, and as a result, the recess 15c and the inner wall 15b are not present in the straight line portion corresponding to the opening portion of the U-shaped U in plan view. Yes.

  And between the upper end edge of the inner wall of the liquid barrier 15 and the lower edge of the flat surface 14a of the inner wall 14 of the stagnation mouth 14, the stagnation mouth side is low, and the opposite side to the stagnation mouth 14 is the inclined top surface part 16, which is high. It is formed in a substantially U shape, and the innermost side of the lid 10 is blocked by the inclined top surface portion 16.

  In the opposite position across the center of the container, which is the opposite side of the sip mouth 14 of the inclined top surface portion 16, there is a hot beverage for escaping steam generated when the hot beverage is put into the container or for sipping the hot beverage. A small steam vent through hole 17 is formed to penetrate for replacement with air.

  According to the lid 10 configured as described above, in a state where the upper end opening of the container containing the hot beverage is closed by the fitting portion 11, the content liquid is shaken when the container is carried along the side wall of the container. The liquid barrier wall 15 protrudes downward on the outside of the through-hole 17 where the leakage of the content liquid causes a problem, but the liquid barrier wall 15 protrudes downward. The rise and rebound of the content liquid is suppressed by the cylindrical side surface that is the wall 15a and the cylindrical side surface that is the inner wall 15b provided through the recess 15c on the inside thereof, and the content liquid may flow directly to the inner part of the through hole 17. Thus, leakage from the through-hole 17 can be prevented even when being carried or taken home.

  Next, another embodiment of the lid of the container according to the present invention will be described with reference to FIG. 2, but the same portions as those of the lid 10 already described will be denoted by the same reference numerals, and description thereof will be omitted.

In this container lid 10A (hereinafter simply referred to as lid 10A), the liquid-proof wall portion 15A is formed in an annular shape, and the outer wall is also formed on the straight portion connecting the U-shaped opening portion of the U-shape in plan view already described. By providing 15a, the inner wall 15b, and the recessed part 15c between them, the liquid-proof wall part 15A is formed in cyclic | annular form.
Other configurations are the same as those of the lid 10 already described.

  According to the lid 10 </ b> A configured as described above, as with the lid 10, when the container is carried by the fitting portion 11 so as to close the upper end opening of the container containing the hot beverage, the content liquid is shaken when the container is carried. However, the liquid-proof wall portion 15A protrudes downward in an annular manner outside the through-hole 17 where leakage of the content liquid becomes a problem, and the inner and outer walls 15a and 15b are projected downward. Are formed in a double, so that the annular cylindrical side surface that is the outer wall 15a of the liquid-proof wall portion 15A and the annular cylindrical side surface that is the inner side wall 15b provided via the inner annular recess 15c are all The content liquid in the direction is prevented from rising and rebounding, and the content liquid is prevented from flowing directly into the inner part of the through hole 17, and even more effectively preventing leakage from the through hole 17 even when being carried or taken home. it can.

  Next, still another embodiment of the lid of the container according to the present invention will be described with reference to FIG. 3, but the same portions as those of the lid 10A already described are denoted by the same reference numerals and description thereof is omitted.

  In this container lid 10B (hereinafter simply referred to as lid 10B), the liquid-proof wall portion 15B is formed in an annular shape, and its downward projecting height is maximized up to the total height of the lid 10B. The stacking property of 10B alone can be secured.

  That is, in the lid 10A already described, the liquid-proof wall portion 15A has a height slightly higher than the lower end of the outer peripheral wall surface 11b of the fitting portion 11 of the lid 10A. 11 is a liquid-proof wall 15B which is deepened to the lower end of the outer peripheral wall 11b and has a maximum height.

Further, the lid 10 is provided with an outer wall 15a, an inner wall 15b, and a recess 15c therebetween in a straight portion connecting the U-shaped opening in a substantially U shape in a plan view, so that the liquid-proof wall 15B is annular. Is formed.
The other configuration is the same as the lid 10A already described.

  According to the lid 10B configured as described above, in the state where the upper end opening of the container containing the hot beverage is closed so as to close the upper end opening of the container containing the hot beverage, the content liquid is shaken when the container is carried. However, the liquid-proof wall portion 15B protrudes further downwardly in an annular shape outside the through hole 17 where leakage of the content liquid becomes a problem, and the inner and outer walls 15a protrude downward along the side wall of the container. , 15b are formed in a double, so that an annular cylindrical side surface that is the outer wall 15a of the liquid barrier 15B and an annular cylindrical side surface that is the inner wall 15b provided via the inner annular recess 15c As a result, the rise and rebound of the content liquid in all directions can be further suppressed, and the content liquid can be prevented from flowing directly into the inner portion of the through-hole 17, thereby further effectively preventing leakage from the through-hole 17 even when being carried or taken home. To do Can.

  Next, another embodiment of the lid of the container according to the present invention will be described with reference to FIG. 4, but the same parts as those of the lid 10 already described will be denoted by the same reference numerals and description thereof will be omitted.

The lid 10C of the container (hereinafter simply referred to as the lid 10C) is such that the liquid-proof wall 15C is approximately half lower than the liquid-proof wall 10 (the recess 15c is shallow). Similarly, the inner wall 15b and the recess 15c do not exist in the straight line portion connecting the U-shaped openings in a U shape in plan view.
Other configurations are the same as those of the lid 10 already described.

  Similarly to the lid 10, the lid 10 </ b> C configured in this manner also shakes the content liquid when the container is carried in the state where the upper end opening of the container containing the hot beverage is closed by the fitting portion 11. The liquid barrier 15C protrudes downward on the outside of the through-hole 17 where the leakage of the content liquid becomes a problem but rises along the container side wall and rebounds at the lid 10C. As a result, the liquid content is prevented from flowing directly into the inner part of the through-hole 17, and leakage from the through-hole 17 can be more effectively prevented even when it is carried or taken home.

  Next, still another embodiment of the container lid according to the present invention will be described with reference to FIGS. 5 and 6. The same parts as those of the already-described lid 10A are denoted by the same reference numerals, and the description thereof is omitted.

  In the lid 10D of the container (hereinafter simply referred to as the lid 10D), the liquid-proof wall 15A is formed in a circular ring shape, and instead of the U-shape in plan view described above, the circular outer wall 15a and inner wall By providing 15b and the recessed part 15c between them, the liquid-proof wall part 15D is formed in the cyclic | annular shape of planar view.

In the case of FIG. 5, the inner wall 15b has a diameter of about 30% of 25 mm with respect to the diameter of the upper end opening (about 80 mm) of the container. In the case of FIG. The center of the inner side wall 15b is shifted to the opposite side of the squeeze port 14.
Other configurations are the same as those of the lid 10 already described.

  According to the lid 10 </ b> D configured as described above, in the same manner as the lid 10, the content liquid is shaken when the container is carried in the state where the upper end opening of the container containing the hot beverage is closed so as to close the opening. However, the liquid-proof wall 15D protrudes downward in a circular shape outside the through-hole 17 where leakage of the content liquid causes a problem, and the inner and outer walls protrude downward. Since 15a and 15b are doubly formed, a circle that is an inner side wall 15b provided via a circular annular cylindrical side surface that is the outer wall 15a of the liquid-proof wall 15D and an inner annular recess 15c. The rise and rebound of the content liquid in all directions with the shape of the annular cylindrical side surface is suppressed, and the content liquid is also prevented from flowing directly into the inner part of the through-hole 17, and leaks from the through-hole 17 even when it is carried or taken home. More effective prevention It can be.

  In addition, according to the experiment conducted on the presence or absence of leakage from the through hole by giving acceleration to the container containing the contents and shaking, when the diameter of the upper end opening of the container is about 80 mm, It has been found that leakage from the through hole 17 cannot be effectively prevented unless the diameter of the liquid-proof wall portion 15D having a shape is 25 mm or more.

  In each of the above embodiments, the through hole 17 is farthest away from the position facing the center of the container, which is the position opposite to the stagnation mouth 14 of the inclined top surface portion 16 inside the inner wall 15b of the liquid-proof wall portion 15. However, according to an experiment conducted on the presence or absence of leakage from the through hole by giving acceleration to the container containing the contents and shaking it, It is only necessary to be in front of the center in the range of 90 degrees on both sides of the opposite position (opposite position of the diameter passing through the center of the container, that is, diagonally intersecting position), that is, above the center when the stagnation mouth 14 is down, In particular, it has been found that leakage can be prevented more effectively by forming the through hole 17 within a range of 5 mm from the inner wall 15b.

Moreover, in the said embodiment, although demonstrated that it could shape | mold by the vacuum pressure forming method using a synthetic resin sheet, in this case, if a sheet | seat thickness is 0.2-1.00 mm, it can shape | mold.
Furthermore, the present invention is not limited to the vacuum / pressure forming method, and may be formed by an injection molding method.

  In the above embodiment, the case where the liquid-proof wall portion is formed in a circular or substantially U shape has been described as an example. However, other shapes such as an ellipse, a rectangle, and a polygon may be used. The shape is not limited to a circle but may be any shape corresponding to the shape of the opening of the container, and may be an ellipse, a rectangle, a polygon, or the like.

It is the top view concerning an embodiment of the lid of the container of this invention, and an AA sectional view. It is the top view concerning one Embodiment of the lid | cover of the container of this invention, and AA sectional drawing. It is the top view concerning one other embodiment of the lid | cover of the container of this invention, and AA sectional drawing. It is the top view concerning one Embodiment of the lid | cover of the container of this invention, and AA sectional drawing. It is the top view concerning one other embodiment of the lid | cover of the container of this invention, and AA sectional drawing. It is the top view concerning one Embodiment of the lid | cover of the container of this invention, and AA sectional drawing. It is the top view and AA sectional drawing of the lid | cover of the conventional container.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Container lid 11 Insertion part 11a Inner peripheral wall surface 11b Outer peripheral wall surface 11c Locking part
12 top surface portion 13 projecting cylindrical portion 13a upper surface portion 14 stagnation port 14a vertical plane 15 liquid-proof wall portion 15a outer side wall 15b inner side wall 15c recess 16 inclined top surface portion 17 through holes 10A, 10B, 10C, 10D lids 15A, 15B, 15C , 15D Liquid barrier

Claims (8)

Covering the upper end opening of the container, a squeezing port is formed on one side of the outer peripheral edge of the top surface, and this squeezing port is a container lid provided in a sealed state that is opened when squeezing ,
The content liquid rising along the side wall of the container and the liquid-proof wall portion for preventing the rebound thereof are composed of an outer wall and an inner wall provided with a concave portion protruding downward and formed in the top surface portion in a substantially U shape in plan view. On the other hand, the stagnation mouth is formed in the outer peripheral edge part connecting the opening part having a substantially U shape in a plan view of the top face part, and the outer peripheral edge part of the top face part on the other side opposite to the squeeze mouth is formed. A container lid, wherein a through-hole communicating with the inside and outside of the container is formed inside the liquid-proof wall . Covering the upper end opening of the container, a squeezing port is formed on one side of the outer peripheral edge of the top surface, and this squeezing port is a container lid provided in a sealed state that is opened when squeezing ,
The liquid content rising along the side wall of the container and the liquid-proof wall portion for preventing the rebound thereof are configured by an outer wall and an inner side wall provided with a concave portion protruding downward and formed in the top surface portion in a ring shape in plan view, The stagnation mouth is formed at the outer peripheral edge of the top surface portion outside the annular liquid proof wall portion, and the container is placed inside and outside the top surface portion inside the liquid proof wall portion on the other side opposite to the stagnation mouth. A container lid characterized by forming a through-hole communicating therewith. The lid of a container according to claim 2, wherein the liquid-proof wall portion having a circular shape in plan view provided with the recess is formed in a circular shape in plan view . The container lid according to claim 3, wherein a liquid-proof wall portion having a circular shape in plan view provided with the concave portion is formed so that a diameter of a bottom portion of the concave portion is at least 25 mm or more . The depth of the recessed part protruding below the liquid-proof wall part is formed to a height in a range from the top surface part to the lower end edge of the lid, according to any one of claims 1 to 4. Container lid.   The through-hole is formed in the top surface portion that is perpendicular to the line connecting the center of the outer diameter of the lid and the center of the hole of the squeeze hole and is surrounded by a virtual line passing through the center of the lid and the liquid-proof wall. The container lid according to claim 1, wherein the container lid is formed. The said through-hole is formed in the inner side within 5 mm from the outer-periphery edge part of the top | upper surface part inside the said liquid-proof wall part on the opposite side of the said mouth. The container lid as described. The container lid according to any one of claims 1 to 7, wherein the lid is integrally formed by vacuum pressure forming or injection molding.

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