JP2008133044A - Container lid - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a container lid which, in the case of occurrence of a tear at a hinge part due to the repeated opening and closing of a closure flap section, allows the tear to be alleviated and the hinge part to be equipped with a countermeasure that enables the hinge part to maintain the primary role of a hinge. <P>SOLUTION: The container lid A is such that it is made of synthetic resin material having a top plate section 1 and a tubular state lateral wall section 2, while comprising a fixed lid section 8 fastened to a container body B and a closure flap section 7 which is capable of being opened/closed, with a hinge section 4 being installed at a bordering position between the fixed lid section 8 and the closure flap section 7, and a synthetic resin made sheet member 3 is pasted on the top plate section 1 in the vicinity of a cut section 5 where the hinge section 4 is installed, thus enabling the alleviation of the tear of the hinge section 4 caused by the repeated opening/closing of the closure flap section 7. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a lid of a container mainly containing a powdered or granular material to be poured, for example, powdered milk.

  It is difficult or prevented to open the door by tampering, and even if there is an initial opening other than the specified one, the presence of the initial opening can be easily confirmed, and after opening, the contents can be opened without fully opening the cover. A sealed container having a fixed lid part and an opening / closing lid part on a hinge part described in Patent Document 1 from which an object can be taken out, and a lid with a sliding piece and a can with a lid described in Patent Document 2 have been proposed.

  In addition, as a lid that can easily open and close the opening / closing lid, prevent unintentional detachment from the container, and reliably maintain the crowned state of the container, the container described in Patent Document 3 A top plate portion that is connected to a fixed lid portion that closes a part of the opening portion via a hinge portion; and an annular skirt portion that is integrally installed on the periphery of the top plate portion; and a screwed portion of the skirt portion; Proposed a lid that can maintain a connected state to the container via a fixed lid and a skirt when a break is provided between the opening and closing lid and the break is broken to open and close the lid Has been.

JP 10-59392 A Japanese Patent No. 3806840 JP 2004-35022 A

  In the sealed container described in Patent Literature 1, the lid with a scraped piece described in Patent Literature 2 and Patent Literature 3, the lid can, and the lid described in Patent Literature 4, when the opening / closing lid portion is repeatedly opened and closed, the fixed lid The hinge portion provided between the opening portion and the opening / closing lid portion is torn off from the outer peripheral edge, and does not serve as a lid.

  The object of the present invention is to solve the above-mentioned problems, and in the case where the hinge part is torn by repeated opening and closing of the opening and closing cover part, the lid of the container is provided with measures that can alleviate the tearing and maintain the function as the hinge part Is to provide.

  A container lid made of a synthetic resin material comprising a top plate portion on the upper surface and an annular side wall portion extending from the outer periphery to the lower end of the top plate portion. The fixed lid portion that is fixed to the opening when installed and the open / close lid portion that can be opened and closed vertically are connected via a first thin portion at a boundary position between the fixed lid portion and the open / close lid portion. A hinge portion is installed on the top plate portion, and is located on an extension line with the hinge portion and can be cut vertically in two portions of the side wall portion when the opening / closing lid portion is opened and closed with the hinge portion as a starting point. A lid of a container in which a cut portion having two thin portions is provided on a side wall portion, and a sheet material of a synthetic resin material is pasted on the top plate portion to the vicinity of the cut portion where the hinge portion is installed.

  This is a lid of a container in which a trapezoidal groove whose cross-section of the hinge part has an inverted C shape is formed.

  An annular lower wall portion extending from the side wall portion to the lower end, a third thin wall portion connecting between the lower wall portion and the side wall portion, and a separation knob having one end formed integrally with the lower wall portion And a lid of the container that allows the lower wall portion to be separated from the side wall portion at the position of the third thin-walled portion by pinching the knob portion in the circumferential direction.

  An annular lower wall portion extending from the side wall portion to the lower end, a third thin wall portion connecting the lower wall portion on the opening / closing lid portion side and the side wall portion on the opening / closing lid portion side, and one end on the opening / closing lid portion side The lower wall portion on the side of the opening / closing lid portion is opened / closed at the position of the third thin-walled portion by pinching the knob portion in the circumferential direction. It is a lid | cover of a separable container from the said side wall part by the side.

The locking part which becomes the cutting surface by the side of the opening-and-closing lid part in the cutting | disconnection part provided in the side wall part is a lid | cover of a container which can climb on the upper end edge part of the opening part of a container main body, and can be stopped still.

  A container lid made of a synthetic resin material comprising a top plate portion on the upper surface and an annular side wall portion extending from the outer periphery to the lower end of the top plate portion. The fixed lid portion that is fixed to the opening when installed and the open / close lid portion that can be opened and closed vertically are connected via a first thin portion at a boundary position between the fixed lid portion and the open / close lid portion. A hinge portion is installed on the top plate portion, and is located on an extension line with the hinge portion and can be cut vertically in two portions of the side wall portion when the opening / closing lid portion is opened and closed with the hinge portion as a starting point. Since it is a lid of a container in which a cut portion having two thin portions is provided on a side wall portion, and a sheet material of a synthetic resin material is pasted on the top plate portion to the vicinity of the cut portion where the hinge portion is installed The hinge part tears due to repeated opening and closing of the fixed lid part. The sheet material pasted to the vicinity of the cutting portion where the hinge portion is installed relaxes the tear of the hinge portion, and even if the tear occurs from a part of the hinge portion, The function of the hinge part can be maintained by the close contact of the materials. In addition, after opening the lid of the container, it is possible to take out the article to be dispensed by opening the open / close lid while the container lid is still attached to the container. It is not necessary to place the lid on a desk with dust or on a kitchen table to which water droplets adhere, so that a sanitary container lid can be provided.

Further, since the lid of the container is formed with a trapezoidal groove whose cross section is inverted, the hinge part is bent at a plane where the center of the trapezoid is the U-shaped cross section. Since it is returned, it is possible to provide a container lid that is difficult to tear from the hinge portion.

  Further, an annular lower wall portion extending from the side wall portion to the lower end, a third thin wall portion connecting the lower wall portion and the side wall portion, and one end formed integrally with the lower wall portion The lower wall portion is expanded because the lower wall portion is separable from the side wall portion at the position of the third thin wall portion by pinching the knob portion in the circumferential direction. Then, by press-fitting into the opening of the container and mounting, the lower wall portion contracted along the outer peripheral diameter of the container is in close contact with the container, and there is no gap between the fingers and the close contact portion of the container and the lower wall portion. It can be attached to a can container that is not provided with a groove-shaped circumferential projection formed to prevent the cover, and if the cover of the container according to the present invention is forcibly removed, the lower wall portion Because the damaged scar remains in the container, it can be easily known whether there is a prank.

  Further, an annular lower wall portion extending from the side wall portion to the lower end, a third thin wall portion connecting the lower wall portion on the opening / closing lid portion side and the side wall portion on the opening / closing lid portion side, and one end of the opening / closing lid The lower wall portion on the opening / closing lid portion side at the position of the third thin wall portion by pinching the knob portion in the circumferential direction. Since it is a container lid that is separable from the side wall portion on the opening / closing lid portion side, the lower wall portion is expanded and press-fitted into the opening portion of the container so as to be attached, thereby shrinking along the outer diameter of the container Since the lower wall part is in close contact with the container and there is no gap between the container and the lower wall part, there is no gap between the fingers. If you try to remove the lid of the container according to the present invention, it can be attached to the lower wall part and the container. The presence or absence of tampering for scarring can be easily known. In addition, by leaving the lower wall portion of the fixed lid portion, when the open / close lid portion is repeatedly opened and closed, when the fixed lid portion is lifted up by the action of pulling up the open / close lid portion, The lower wall portion serves as a support and can have an effect of suppressing the detachment of the fixed lid portion.

  In addition, since the locking portion that is the cutting surface on the opening / closing lid portion side of the cutting portion provided on the side wall portion is a container lid that can stand on the upper edge of the opening portion of the container body and can remain stationary and remain open. It is not necessary to hold the opening / closing lid with one hand when taking out the dispensed item, and it is also possible to prevent cracking from the hinge due to an unreasonable opening angle when opening the opening / closing lid.

  1 to FIG. 6, a container lid A made of a polyethylene resin material comprising a top plate portion 1 on the upper surface and an annular side wall portion 2 extending from the outer periphery to the lower end of the top plate portion 1. The container lid A includes a fixed lid portion 8 fixed to the opening portion when installed in the opening portion of the container body B and an open / close lid portion 7 that can be opened and closed vertically. And a hinge portion 4 connected via a first thin portion 4a having a thin shape at a boundary position between the opening and closing lid portion 7 on the back surface of the top plate portion 1 and on an extension line with the hinge portion 4 A cutting part 5 having a second thin part 5a formed in a thin shape so that it can be vertically cut at two locations on the side wall part 2 when the opening / closing lid part 7 is opened and closed with the hinge part 4 as a starting point. Is provided on the side wall 2. Further, on the top plate portion 1, a uniaxially stretched multilayer sheet material 3 or a biaxially stretched multilayer sheet material 3 or a uniaxially stretched base material made of a synthetic resin material such as polypropylene or polyethylene having an adhesive layer is used. A lid A for a container is formed by attaching a multilayer sheet material 3 combined with biaxial stretching to the entire position where the hinge 4 is installed.

  Since the lid A of the container to be injection-molded at the time of in-mold molding is made of polyethylene resin, the sheet material 3 is heated on the top plate portion 1 of the lid A of the container by an in-mold molding method. When welded, the sheet material 3 has a property of contracting to follow the lid A of the container, and it is desirable to use the contracted sheet material 3 so as not to have a large deformation after molding.

  Moreover, since the sheet material 3 has a direction that is easy to tear and a direction that is difficult to tear, the sheet material 3 is easily teared when the sheet material 3 is thermally welded to the top plate 1 using the in-mold method. By arranging the sheet material 3 in a direction perpendicular to the direction of the hinge part 4, stronger hinge performance can be exhibited. The lid A of the container formed of polyethylene resin by repeated opening / closing of the opening / closing lid portion 7 has a characteristic that the hinge portion 4 is easily broken due to the properties of the polyethylene resin. Therefore, when the hinge part 4 is torn off, the hinge is used to reinforce the sheet material 3 attached to the vicinity of the cutting part 5 where the hinge part 4 is installed, that is, both ends of the hinge part 4. The sheet material 3 provided with the reinforcing sheet material 3a attached to extend in the direction of the side wall portion 2 so as to cover the portion 4 prevents the tearing of the hinge portion 4 and tentatively from a part of the hinge portion 4 Even when tearing occurs, the function of the hinge portion 4 can be maintained by the close contact and reinforcement of the sheet material 3 provided with the reinforcing sheet material 3a.

  3 and 5 show the open / closed state when the container lid A of the present invention is attached to the container body B. FIG. For example, for a can container containing powdered milk or coffee, a can container having an outer curl portion B1 in which the opening of the container body B is curled outwardly or an inner curl portion curled in an inner volume, etc. There is. In addition, the can container is provided with a scraping plate part B2 having a scraping function at the opening of the can container in order to measure the required amount by scraping the extraction object such as powdered milk with a spoon. There is. The present invention is a container lid A to be mounted on the opening of such a can container, and in the closed state as shown in FIG. 3, in order to prevent moisture from entering from outside, for example, the outer curl The fitting part 2a of the part B1 and the container lid A is formed into a shape having a highly adhesive structure. Further, as shown in FIG. 5, the hinge portion 4 is raised as a starting point to open upward, and the opening / closing lid portion 7 is opened while the fixed lid portion 8 is still attached to the container body B, and the article to be dispensed is taken out. Therefore, it is not necessary to place the lid A of the container on a desk with dust or a kitchen table to which water droplets are attached when taking out the object to be dispensed, so that a sanitary container lid A is provided. be able to.

  4 and 6, the open / closed state around the hinge portion 4 is shown. As for the hinge portion 4, a first thin portion 4a having a thin shape is formed on the back surface of the top plate portion 1, and the fixed lid portion 8 is a container body as shown in FIG. 6 starting from the first thin portion 4a. B has a structure that can be opened by raising the opening / closing lid portion 7 in the state of being attached to B.

  Next, as a different embodiment of the hinge part 4, a state in which a hinge part 41 is formed on the surface of the top plate part 1 is shown in FIG. Polypropylene biaxially stretched multilayer sheet material having an adhesive layer on the top plate portion 1 of the lid A of the container in which the first thin portion 4a serving as a starting point for opening and closing the hinge portion 41 is formed on the surface of the top plate portion 1. 3 or the like is formed on the entire surface of the position where the hinge part 41 is installed, so that the hinge part 41 can be removed when the hinge part 41 is repeatedly broken by opening and closing the fixed lid part 8. The sheet material 3 attached in the vicinity of the cutting part 5 where the 41 is installed relaxes the tearing of the hinge part 41, and even if tearing occurs from a part of the hinge part 41, the sheet The function of the hinge part 41 can be maintained by the close contact of the material 3. Since the container lid A can be taken out by opening the opening / closing lid portion 7 with the container lid A still attached to the container body B after the container lid A is opened, the article to be dispensed can be taken out. It is not necessary to place the lid A of the container on a desk with dust or a kitchen table to which water droplets adhere, so that the sanitary container lid A can be provided.

8 and 9, the opened state around the hinge part 41 is shown. As for the hinge portion 41, a first thin portion 4a having a thin shape is formed on the surface of the top plate portion 1, and a sheet material 3 and a reinforcing sheet material 3a are welded thereon by an insert molding method, whereby the hinge portion 4 is formed. Reinforced. As shown in FIG. 8, starting from the first thin portion 4a, the opening / closing lid portion 7 can be opened by rising upward with the fixed lid portion 8 attached to the container body B. Yes.

Further, in the case of the container lid A having the hinge portion 4 composed of the opening / closing lid portion 7 and the fixed lid portion 8, the sectional shape of the hinge portion 4 is formed in a V shape for ease of opening and closing. When the lid A of the container having a V shape is molded from polyethylene resin, tearing from the hinge portion 4 is easily started by repeatedly opening and closing the opening and closing lid portion 7 due to the characteristics of the polyethylene resin. Therefore, in the case of the container lid A of the present invention, in order to make it difficult to start tearing from the hinge part 4, as shown in FIG. 4 or FIG. The opening / closing lid portion 7 can be opened and closed by forming the bent portion of the hinge portion 4 so that the hinge portion 4 is bent at a plane that is the center position of the trapezoidal shape, and the bent cross section forms the letter U shown in FIG. Even if it is repeated, it is possible to provide the container lid A in which tearing from the hinge portion 4 is less likely to occur.

  10 and 11, the top plate portion 1 on the top surface, the annular side wall portion 2 extending from the outer periphery of the top plate portion 1 to the lower end, and the annular lower wall portion 9 extending from the side wall portion 2 to the lower end. And a third thin wall portion 10 for connecting the lower wall portion 9 and the side wall portion 2 and a polyethylene resin material having one end formed integrally with the lower wall portion 9 and a separation knob 6. A lid A of the container. Since the lower wall portion 9 is a container lid A that allows the lower wall portion 9 to be separated from the side wall portion 2 at the position of the third thin-walled portion 10 by pinching the knob portion 6 in the circumferential direction, the lower wall portion 9 is expanded. Then, the lower wall portion 9 contracted along the outer peripheral diameter of the container is brought into close contact with the container main body B by being press-fitted into the opening of the container, and the finger is placed on the close contact portion between the container main body B and the lower wall portion 9. Since the gap cannot be formed, the container A of the present invention is not limited to the can container provided with the groove-shaped circumferential protrusion B3 formed to prevent the finger from being applied to the container main body B as long as the container lid A is used. It can also be attached to a can container that does not have a groove-shaped circumferential protrusion B3 formed to prevent the finger from being applied to the main body B, and the cover A of the container according to the present invention is forcibly removed. If the damaged wall remains on the lower wall 9 and the container body B, It is possible to know the presence or absence of easily.

The container lid A includes a fixed lid portion 8 fixed to the opening portion when installed in the opening portion of the container body B and an open / close lid portion 7 that can be opened and closed vertically. And a hinge portion 4 connected via a first thin portion 4a having a thin shape at a boundary position of the opening / closing lid portion 7 on the back surface of the top plate portion 1 and on an extension line with the hinge portion 1 A cutting part 5 having a second thin part 5a formed in a thin shape so that it can be vertically cut at two locations on the side wall part 2 when the opening / closing lid part 7 is opened and closed with the hinge part 4 as a starting point. Is provided on the side wall 2. Further, on the top plate portion 1, a uniaxially stretched multilayer sheet material 3 or a biaxially stretched multilayer sheet material 3 or a uniaxially stretched base material made of a synthetic resin material such as polypropylene or polyethylene having an adhesive layer is used. The lid A of the container is formed by pasting the multilayer sheet material 3 combined with biaxial stretching in the vicinity of the cutting part 5 where the hinge part 4 is installed.

  Next, taking the lid A of the present invention as an example, the operation from opening the lid A of the container to taking out the to-be-extracted product such as powdered milk will be described. First, the lower wall portion 9 is cut from the third thin portion 10 by picking the knob 6 of the lid A of the container with fingers and pulling it along the outer periphery of the can container. By lifting the opening / closing lid part 7 upward, the second thin part 5a installed on the side wall part 2 is torn to form the cutting part 5 starting from the hinge part 4 installed on the top plate part 1. As shown in FIGS. 14 and 15, the locking portion 5 b serving as a cutting surface on the opening / closing lid portion 7 side of the cutting portion 5 rides on the upper edge B4 of the opening of the container body B, and the opening / closing lid portion 7 is fixed. It can stand still at a position perpendicular to the lid 8 and maintain the open state. Therefore, it is not necessary to hold the opening / closing lid part 7 with one hand when taking out the article to be poured, and the cracks from the hinge part 4 due to an unreasonable opening angle when opening the opening / closing lid part 7 It has the effect which can prevent.

  Further, different embodiments of the lower wall portion to be removed are shown in FIG. 10, FIG. 12, and FIG. An annular lower wall portion 9 extending from the side wall portion 2 to the lower end, and a third thin portion 10 connecting the lower wall portion 9 on the opening / closing lid portion 7 side and the side wall portion 2 on the opening / closing lid portion 7 side. , A lid A of a container made of a polyethylene resin material, one end of which is formed with the separation knob 6 formed integrally with the lower wall portion 9 on the opening / closing lid portion 7 side. A container lid that allows the lower wall portion 9 on the opening / closing lid portion 7 side to be separable from the side wall portion 2 on the opening / closing lid portion 7 side by pinching the knob 6 in the circumferential direction. A. Therefore, by expanding the lower wall portion 9 and press-fitting it into the opening of the container, the lower wall portion 9 contracted along the outer peripheral diameter of the container is brought into close contact with the container body B, and the container body B and the container There is no gap between fingers in the close contact portion of the lower wall portion 9. Therefore, in the case of the container lid A of the present invention, the container body B is provided with a finger in the container body B as well as the can container provided with the groove-shaped circumferential protrusion B3 formed to prevent the finger from being applied to the container body B. It is also possible to attach to a can container that is not provided with the groove-shaped circumferential protrusion B3 formed to prevent overhang. If the lid A of the container according to the present invention is forcibly removed, a damaged scar remains on the lower wall portion 9 and the container main body B, so that it is possible to easily know the presence or absence of the mischief. Further, by leaving the lower wall portion 9 on the fixed lid portion 8 side, when the open / close lid portion 7 is repeatedly opened and closed, the fixed lid portion 8 is lifted up by the operation of pulling up the open / close lid portion 7 and comes out. In this case, the lower wall portion 9 serves as a support and has an effect of suppressing the detachment of the fixed lid portion 8.

Further, the lid A of the container includes a fixed lid portion 8 fixed to the opening portion when the container lid A is installed in the opening portion of the container body B, and an open / close lid portion 7 that can be opened and closed vertically. A hinge part 4 connected via a first thin part 4 a having a thin shape at a boundary position between the fixed lid part 8 and the opening / closing lid part 7 is installed on the back surface of the top plate part 1. A thin-walled shape is formed so as to be vertically cut at two locations on the side wall portion 2 when the opening / closing lid portion 7 is opened and closed with the hinge portion 4 as a starting point on the extension line with the hinge portion 1. A cutting portion 5 having two thin portions 5 a is provided in the side wall portion 2. Further, on the top plate portion 1, a uniaxially stretched multilayer sheet material 3 or a biaxially stretched multilayer sheet material 3 or a uniaxially stretched base material made of a synthetic resin material such as polypropylene or polyethylene having an adhesive layer is used. The lid A of the container is formed by pasting the multilayer sheet material 3 combined with biaxial stretching in the vicinity of the cutting part 5 where the hinge part 4 is installed.

  Further, as shown in FIG. 14 and FIG. 15, the opening / closing lid portion 7 is stationary at a position perpendicular to the fixed lid portion 8 and can maintain an open state. Therefore, the container of the present invention is attached to the can container equipped with the scraping plate portion B2. By installing the lid A, even if the lid A of the container is not pressed by hand, an operation of scooping out a substance to be poured out such as milk powder with one hand using a spoon can be performed. Furthermore, if the container lid A of the present invention is installed in a can container that is not equipped with the ground plate part B2, the opening / closing lid part 7 can be kept stationary and open at a position perpendicular to the fixed lid part 8. The container lid A is formed on the back surface of the opening / closing lid portion 7 and the fixed lid portion 8 with a right-angled surface. It also has a function that can.

The present invention is mainly packaged in a powdered or granular form, such as a can container containing powdered milk or coffee, etc. Can be used as a lid for containers that can be attached to

It is a top view of the lid of the container which shows the embodiment of the present invention. It is a top view which shows the back surface of the embodiment. It is sectional drawing of the same embodiment. It is sectional drawing of the hinge part periphery of the same embodiment. It is sectional drawing which shows the unsealed state of the embodiment. It is sectional drawing which shows the opening state of the hinge part periphery of the embodiment. It is a top view which shows embodiment from which a hinge part differs. It is sectional drawing of the hinge part periphery of FIG. It is sectional drawing which shows the unsealed state of the hinge part periphery of FIG. It is a top view which shows different embodiment of this invention. It is sectional drawing of FIG. It is sectional drawing which shows different embodiment of FIG. It is sectional drawing which shows the unsealed state of FIG. It is a perspective view which shows the opening state of the lid | cover of the container which is embodiment of this invention. It is a perspective view of the cutting part periphery shown in FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Top plate part 2 Side wall part 2a Fitting part 3 Sheet material 3a Reinforcement sheet material 4 Hinge part 41 Hinge part 4a 1st thin part 5 Cutting part 5a 2nd thin part 5b Locking part 6 Picking part 7 Opening and closing cover part 8 Fixation Lid portion 9 Lower wall portion 10 Third thin wall portion A Container lid B Container body B1 Outer curl portion B2 Grind plate portion B3 Projection B4 Upper edge

Claims (5)

  A container lid made of a synthetic resin material comprising a top plate portion on the upper surface and an annular side wall portion extending from the outer periphery to the lower end of the top plate portion. The fixed lid portion that is fixed to the opening when installed and the open / close lid portion that can be opened and closed vertically are connected via a first thin portion at a boundary position between the fixed lid portion and the open / close lid portion. A hinge portion is installed on the top plate portion, and is located on an extension line with the hinge portion and can be cut vertically in two portions of the side wall portion when the opening / closing lid portion is opened and closed with the hinge portion as a starting point. A container comprising: a cut portion having two thin wall portions provided on a side wall portion; and a sheet material of a synthetic resin material attached on the top plate portion to the vicinity of the cut portion provided with the hinge portion. Lid. The container lid according to claim 1, wherein a trapezoidal groove whose cross-section of the hinge portion has an inverted U-shape is formed. An annular lower wall portion extending from the side wall portion to the lower end, a third thin wall portion connecting between the lower wall portion and the side wall portion, and a separation knob having one end formed integrally with the lower wall portion The lower wall portion is separable from the side wall portion at the position of the third thin-walled portion by pinching the knob portion in the circumferential direction. Container lid. An annular lower wall portion extending from the side wall portion to the lower end, a third thin wall portion connecting the lower wall portion on the opening / closing lid portion side and the side wall portion on the opening / closing lid portion side, and one end on the opening / closing lid portion side The lower wall portion on the side of the opening / closing lid portion is opened / closed at the position of the third thin-walled portion by pinching the knob portion in the circumferential direction. The container lid according to claim 1, wherein the container lid is separable from the side wall portion on the portion side.   The locking part which becomes the cutting surface on the opening / closing lid part side in the cutting part provided in the side wall part rides on the upper edge of the opening part of the container body and can be stopped and maintained in the open state. 4. The container lid according to 4.

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