JP2010030656A - Hinged cap - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a hinged cap capable of easily classifying the cap from a container and disposing the cap, preventing any deformation of an outer peripheral wall of an upper lid when punching the cap, preventing the upper lid from being sunk in with respect to a cap body, preventing any breakage of the cap, opening the upper lid with a small lid-opening force when opening the lid, and preventing water from being stored in the cap after the shower. <P>SOLUTION: In the hinged cap attached to a mouth cylindrical part of a container and consisting of the cap body and the upper lid, the cap body includes a spouting cylinder, a ring-shaped upper wall, an outer cylinder, and an outer peripheral cylindrical part. A seal recessed part is formed in an upper surface of the upper wall inside a lid engaging part. The upper lid includes a top wall and an outer peripheral wall which is vertically provided on a peripheral edge of the top wall with a hinge being continuously provided at the predetermined position of a lower end of the outer periphery. A seal ring to be inserted in an inner periphery of the spouting cylinder of the cap body, and a seal cylindrical wall hanged between the seal ring and the outer peripheral wall with its lower end being fitted to a seal recessed part in the upper wall of the cap body are provided on a lower surface of the top wall. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention can be easily separated from a hinge cap, particularly at the time of disposal, and after the cap is plugged into a container filled with heat-sterilized content liquid, hot water or cooling water is showered for cooling and cleaning. The present invention relates to a hinge cap that prevents water from being sucked and collected in the cap at the time of use, and can be easily opened when used.

  In the hinge cap attached to the container mouth tube filled with the content liquid, after all the content liquid is used, the upper lid is pulled down with respect to the cap body, and a part of the cap body is cut and deformed, thereby A hinge cap capable of easily separating and discarding the hinge cap has been conventionally known (for example, see Patent Document 1).

In addition, there is also a hinge cap that is plugged into a container filled with a heat-sterilized content liquid, and after hot water or cooling water is showered for cooling and cleaning, water is sucked into the cap and prevented from accumulating. (For example, refer to Patent Document 2).
JP2003-205955A JP-A-11-35061

However, in the conventional hinge cap described in Patent Document 1, the lower part of the outer peripheral wall of the upper lid is pushed and deformed to the outside by the force from above when the container is plugged, and the upper lid is the cap body. Had subsided.
For this reason, there has been a problem that the lower surface of the outer peripheral wall pushes the outer cylinder (2) and cuts the bridge portion (14a) connecting the skirt portion (6) of the cap body.

  In the hinge cap described in Patent Document 2, the lower part of the outer peripheral wall of the upper lid is pushed in and deformed to the outside at the time of plugging, and the upper cover sinks into the cap main body. There was a problem that the outer periphery of the joint part was damaged and could not be liquid-tightly engaged, so that water entered the cap during the shower and accumulated.

  Further, since the inner periphery of the outer peripheral wall of the upper lid and the outer periphery of the lid engaging portion of the cap body are fitted in a liquid-tight manner, there is a problem that the user needs a large opening force when opening the lid. .

  An object of the present invention is to solve the above-mentioned problems, and in a hinge cap that can easily separate and discard a container and a hinge cap, when the cap is struck, the deformation of the outer peripheral wall of the upper lid is prevented, and the upper lid is attached to the cap body. The cap can be prevented from sinking, the cap can be prevented from being damaged, the upper lid can be opened with a small opening force when opening, and water does not collect in the cap after showering. An object is to provide a hinge cap.

  In order to solve the above-described problems, the present invention provides a hinge cap that is attached to a mouth tube portion of a container as a hinge cap and includes a cap body and an upper lid. The cap body includes a dispensing cylinder and a dispensing cylinder. A ring-shaped upper wall that is connected to the outer periphery, an outer cylinder that is suspended from the outer edge of the upper wall, and an outer cylinder that is connected to the outer periphery of the outer cylinder at a constant interval and that has a hinge at a predetermined position on the outer periphery of the upper end. A lid engaging portion projecting from the outer edge of the upper wall, and a seal recess is recessed inside the lid engaging portion. The upper lid includes a top wall and a peripheral edge of the top wall. And a sealing ring inserted into the inner periphery of the extraction pipe of the cap body on the lower surface of the top wall, and a sealing ring. A seal cylinder that is suspended between the outer peripheral wall and the lower end fits into a seal recess in the upper wall of the cap body Adopting the structure, characterized in that it comprises and.

  As an embodiment of the cap body, the seal recess has an inner surface, a bottom surface, and an outer surface continuous from the inner peripheral surface of the lid engaging portion, and the bottom surface of the seal cylinder wall is sandwiched between the inner surface and the outer surface. The structure characterized by being formed so as to contact the lower surface of the cover, or the structure characterized by a plurality of slits extending from the upper end to the lower end are employed for the lid engaging portion.

  As an example of the upper lid, a configuration is adopted in which a plurality of reinforcing ribs are disposed between the outer peripheral wall and the seal cylinder wall.

  When the lid is closed, the seal cylindrical wall of the upper lid and the seal recess of the cap body are fitted and supported, so that when the stopper is plugged, the outer wall of the upper lid is prevented from being deformed outward, and the upper lid is against the cap body. Can be prevented from sinking, and scratches can be prevented in the hinge cap.

Since the sealing cylindrical wall of the upper lid and the sealing concave portion of the cap body are fitted together, liquid tightness is maintained and drainage is performed in the cap outside the sealing cylindrical wall of the upper lid and the sealing concave portion of the cap main body. Thus, it is possible to prevent water from collecting in the hinge cap.
In addition, since it is not necessary to make the fitting between the outer peripheral wall inner periphery of the upper lid and the outer periphery of the cap engaging portion of the cap body liquid-tight, it can be set to a somewhat weak fitting force, so when opening the upper lid, The opening force of the upper lid can be reduced.

Next, the hinge cap of this invention is demonstrated with reference to drawings.
1 and 2, A is a cap main body to be plugged into the container, and B is an upper lid integrally formed with the cap main body A via a hinge C.

  The cap body A includes a pouring tube 1, a ring-shaped upper wall 2 provided continuously to the outer periphery of the pouring tube 1, an inner tube 3 suspended from the lower surface of the upper wall 2, and an outer edge of the upper wall 2. The outer cylinder 4 is provided, and the outer cylinder 4 is connected to the outer periphery of the outer cylinder 4 at a predetermined interval, and the outer cylinder portion 5 is provided with a hinge C at a predetermined position on the outer periphery of the upper end.

  A partition wall 6 is provided at the lower part of the inner periphery of the dispensing tube 1. The partition wall 6 is provided with a removal portion 8 partitioned by a thin weakened portion 7 for opening the spout, and the removal portion. 8, a pull ring 9 is erected.

  A circumferentially-engaged lid engaging portion 10 protrudes from the outer edge of the upper surface of the upper wall 2, and a circumferentially provided seal recess 11 is recessed inside the lid engaging portion 10 of the upper surface of the upper wall 2. Has been.

  The lid engaging portion 10 is formed with a reduced diameter portion 12 that is reduced in diameter from the outer periphery of the outer cylinder 4 and a bulging portion 13 that is expanded in diameter from the reduced diameter portion 12 at the upper end thereof, As shown in FIG. 2B, a plurality of slits 14 extending from the upper end to the lower end are provided.

  The seal recess 11 is formed with an inner surface 11 a, a bottom surface 11 b, and an outer surface 11 c that are continuous from the inner peripheral surface of the lid engaging portion 10.

An engaging protrusion 15 that engages with the outer periphery of the mouth tube portion of the container is provided at the lower inner periphery of the outer tube 4.
The cap main body A is attached to the mouth tube portion of the container so that the mouth tube portion of the container is sandwiched between the outer periphery of the inner tube 3 and the inner periphery of the outer tube 4 at the time of stoppering.

  The outer periphery of the lower end of the outer cylinder 4 and the inner periphery of the lower end of the outer cylinder part 5 are connected pieces 16 provided on the opposite side of the hinge C of the outer cylinder part 5 and a plurality of breakable weakening pieces arranged at intervals. 17 are connected to each other.

  The upper lid B includes a top wall 20 and an outer peripheral wall 21 that is suspended from the periphery of the top wall 20 and has a hinge C continuously provided at a predetermined position on the lower end of the outer periphery.

  A bottom surface of the top wall 20 is suspended from the center side, inserted into the inner periphery of the extraction tube 1 of the cap body A, and sealed between the sealing ring 22 and the sealing ring 22 and the outer peripheral wall 21. The seal recess 11 of the upper wall 2 of the cap main body A and the seal cylinder wall 23 that is fitted to the inner periphery of the lid engaging portion 10 are disposed at the lower end.

  Between the outer peripheral wall 21 on the lower surface of the top wall 20 and the seal cylinder wall 23, a plurality of reinforcing ribs 24 formed at a height that comes into contact with the upper surface of the lid engaging portion 10 of the cap body A when the lid is closed are disposed. The outer peripheral wall 21 and the seal cylinder wall 23 are connected by the reinforcing rib 24.

  At the lower end of the inner periphery of the outer peripheral wall 21, the front end engages with the outer surface of the reduced diameter portion 12 of the lid engaging portion 10 of the cap body A, and the upper side engages with the lower side of the bulging portion 13. A portion 25 is provided.

  When the lid is closed, the outer peripheral surface of the lower end portion of the seal cylinder wall 23 comes into contact with the inner surface of the lid engaging portion 10 of the cap main body A and the inner surface 11a of the seal concave portion 11, and the inner peripheral surface is in contact with the outer surface 11 c of the seal concave portion 11. The lower surface is formed so as to contact the bottom surface 11 b of the seal recess 11.

Next, the effect of the hinge cap of this embodiment is demonstrated.
The hinge cap of the present invention engages the inner periphery of the outer peripheral wall 21 of the upper lid B and the outer periphery of the lid engaging portion 10 of the cap main body A, the sealing ring 22 of the upper lid B, and the dispensing cylinder 1 of the cap main body A. The seal cylinder wall 23 of B and the seal recess 11 and the inner periphery of the lid engaging portion 10 of the upper wall 2 of the cap body A are fitted, and the upper lid B is closed to the cap body A, and then the heated content liquid is The top of the filled container is plugged from above.
In the hinge cap, as shown in FIG. 1, there are a cap inner chamber a on the inner side and a cap inner chamber b on the outer side from the seal concave portion 11 of the upper wall 2 of the cap lid A and the seal cylinder wall 23 of the fitted upper lid B. It is formed.

  When the stopper is plugged, the lower surface of the seal cylinder wall 23 of the upper lid B comes into contact with the bottom surface 11b of the seal recess 11 of the upper wall 2 of the cap body A. On the other hand, the lower portion of the outer peripheral wall 21 is pushed in and deformed to the outside due to the force applied from above, losing the support, and preventing the upper lid B from sinking into the cap body A. It is possible to prevent the weakened piece 17 from being cut by abutting against the upper surface of the outer peripheral cylindrical portion 5 of the cap body A and pushing the outer peripheral cylindrical portion 5.

  In addition, since the upper lid B prevents the cap body A from sinking, the sealing ring 22 of the upper lid B enters the inner periphery of the extraction cylinder 1 of the cap body A more than necessary, and damages the weakened portion 7. Can be prevented.

  The sealing cylinder wall 23 and the top wall 20 of the upper wall B and the outer peripheral wall 21 are connected and reinforced by the reinforcing ribs 24 to prevent the outer peripheral wall 21 from being deformed to the outside. The engagement between the inner circumference of the wall 21 and the outer circumference of the lid engaging portion 10 of the cap body A can be prevented, and the upper lid B can be prevented from opening.

  If hot water shower or cooling water is applied after plugging, the inside of the hinge cap becomes negative pressure, and even if air is sucked in together with air and enters the cap inner chamber b, the lower end of the seal cylindrical wall 23 of the upper lid B Since the portion is fitted and sealed with the seal recess 11 of the upper wall 2 of the cap main body A, it is possible to prevent water from entering the cap inner chamber a.

  Further, the outer peripheral surface, the lower surface, and the inner peripheral surface of the lower end portion of the seal cylinder wall 23 of the upper lid B are engaged and sealed with the inner surface 11a, the bottom surface 11b, and the outer surface 11c of the seal recess 11, respectively. Even if it is damaged, it is covered with other parts, so that the sealing performance is good.

  The water that has entered the cap inner chamber b flows out through the slit 14 provided in the lid engaging portion 10 of the cap main body A, so that it is possible to prevent water from accumulating in the cap inner chamber b.

  When removing the hinge cap from the container and discarding it after using all the contents liquid, pulling the upper lid B pulls up the outer peripheral cylindrical portion 5 of the cap body A via the hinge C and breaks the weakened piece 17 In addition, since the opposite side of the hinge C of the outer cylinder 4 can be pulled and deformed via the connecting piece 16, the engagement between the container and the outer cylinder 4 can be removed, so that the cap body A can be easily attached to the container mouthpiece. It can be removed from the department and disposed of separately.

  In the hinge cap of the present invention, it is not only the engagement between the inner periphery of the outer peripheral wall 21 of the upper lid B and the outer periphery of the lid engaging portion 10 of the cap body A that prevents the water from being sucked into the hinge cap. When the upper lid B is opened, it is not necessary to make the fitting between the engaging protrusion 25 of the outer peripheral wall 21 and the outer periphery of the lid engaging portion 10 of the cap body A so strong, and it can be set with a somewhat weak fitting force. Can reduce the opening force of the upper lid as compared with a conventional hinge cap that combines sealing and fitting.

  The present invention is a hinge cap that can be easily separated from the container after use. Water is sucked into the cap and collected when it is cooled by showering etc. after being put into a container filled with the content liquid by heating. Can be prevented, and the opening force of the upper lid can be reduced, so that it can be widely used as a hinge cap for containers of various liquids to be heated and filled.

It is a section elevation view of the hinge cap of the present invention. It is explanatory drawing of the open state of a hinge cap, (a) is a top view, (b) is a front view of the lid | cover engaging part of a cap main body.

Explanation of symbols

A Cap body B Upper lid C Hinge a, b Cap inner chamber 1 Outlet tube 2 Upper wall 3 Inner tube 4 Outer tube 5 Outer tube portion 6 Bulkhead 7 Weakened portion 8 Removed portion 9 Pull ring 10 Lid engaging portion 11 Seal recess 11a Inner surface 11b bottom surface 11c outer surface 12 reduced diameter portion 13 bulging portion 14 slit 15, 25 engaging protrusion 16 connecting piece 17 weakening piece 20 top wall 21 outer peripheral wall 22 sealing ring 23 seal cylindrical wall 24 reinforcing rib

Claims (4)

In the hinge cap that is attached to the mouth tube portion of the container and consists of a cap body and an upper lid,
The cap body is continuously provided at a constant interval on the outer periphery of the outer cylinder, an outer cylinder suspended from the outer edge of the upper wall, a ring-shaped upper wall continuously provided on the outer periphery of the outlet cylinder, An outer peripheral cylindrical portion continuously connecting a hinge at a predetermined position on the outer periphery of the upper end;
On the upper surface of the upper wall, a lid engaging portion protrudes from the outer edge, and a seal recess is provided inside the lid engaging portion,
The upper lid includes a top wall and an outer peripheral wall that is suspended from the periphery of the top wall and has a hinge continuously provided at a predetermined position at the lower end of the outer periphery.
On the lower surface of the top wall, a sealing ring inserted into the inner periphery of the cap body's dispensing tube, and suspended between the sealing ring and the outer peripheral wall, the lower end fits into the sealing recess in the upper wall of the cap body. A hinge cap characterized by comprising a sealing cylindrical wall.   The seal recess has an inner surface, a bottom surface, and an outer surface that are continuous from the inner peripheral surface of the lid engaging portion. The lower end portion of the seal cylinder wall is sandwiched between the inner surface and the outer surface, and the bottom surface is in contact with the lower surface of the seal cylinder wall. The hinge cap according to claim 1, wherein the hinge cap is formed.   The hinge cap according to claim 1 or 2, wherein the lid engaging portion is provided with a plurality of slits extending from the upper end to the lower end.   The hinge cap according to any one of claims 1 to 3, wherein a plurality of reinforcing ribs are disposed between the outer peripheral wall and the seal cylinder wall.

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