JP2007261588A - Lid with hinge - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a lid with a hinge which is fitted hermetically on the upper opening peripheral edge of a container body, has a foldable hinge structure so that the lid is not removed every time when the container body is used, and prevents the hinge part from severing and an opened part of the lid from coming off from the container body. <P>SOLUTION: The lid 1 with the hinge is fitted on the upper opening peripheral edge 21 of the container body 2, is formed integrally with a top board 11, and has a peripheral portion 15 having a U-shaped section on the inner surface of the periphery of the top board 11, where the peripheral edge portion 15 has a skirt 12. The top board 11 includes an area L1 to be opened and an area L2 to be left closed, and the hinge part 14 is formed on the boundary between the area L1 to be opened and an area L2 to be left closed. A projection 17 and a recession 18 are formed on both sides across each of both ends of the hinge part 14, respectively, and fitting projections 17a and 18a are formed on side faces where the projections 17 and the recessions 18 are fitted together. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a lid that fits and seals the periphery of an upper opening of a container, and particularly relates to a lid of a container that is made of a synthetic resin and that stores powders and granules of sugar, flour, detergent, and the like. .

  Conventionally, there has been a lid applied to the upper opening of a container in which a paper barrel and a synthetic resin part containing powders and granules of detergent etc. are integrally attached, but this lid cannot be opened by mischief. In addition, a tack label is attached to the lid, or a method such as covering the lid with a shrink film has been used. However, any of these methods has a problem that the machining process increases and the cost increases.

  In order to solve these problems, a sealing lid is applied to a container having a ridge formed along the periphery of the outer periphery of the upper opening. A peripheral top portion that contacts the peripheral top portion, a peripheral edge descending wall that is integrated with the peripheral top portion of the container, and descends along the inner surface of the peripheral edge of the upper opening of the container; A skirt portion, and an inner surface of the peripheral skirt portion is inward so that the top of the peripheral edge is in contact with the nectar on the lower side of the ridge of the container in a state where the top of the peripheral edge of the container is in contact with the nectar. A protruding ridge is formed, and a thin portion is formed in a peripheral direction at a position above the inwardly protruding ridge (see, for example, Patent Document 1).

The above prior art documents are shown below.
JP-A-1-254563

  However, the above conventional sealing lid has a risk of losing the lid in some cases in addition to the trouble of removing the lid from the container body each time the contents are used and reattaching the lid after use. .

  In order to solve the above problems, there is one in which the sealing lid can be bent in a hinged manner, and as an example, for example, as shown in the plan view of FIG. 6 and the side view of FIG. The synthetic resin container body (2) having the upper opening periphery (21) is integrated with the top plate part (11), and the container body (2) is formed on the periphery (11a) of the top plate part (11). ) Having a skirt portion (12) extending downward along the outer surface of the upper opening peripheral edge (21), and having a thin hinge at the boundary between the region (L1) to be opened and the region (L2) that remains unsealed ( 14), and a sealing lid (3) made of a synthetic resin provided with a notch (12a) in the skirt portion (12) at both ends of the hinge portion (14).

  When using the above-mentioned container with a lid for sealing, for example, as shown in the side sectional view of FIG. 8, when the end of the region (L1) to be opened is put and pulled up, the thin hinge portion (14) The lid (3) for sealing in the region (L1) to be opened after being folded is opened, and the lid in the region (L2) that remains unsealed is placed on the peripheral edge (21) of the upper opening of the container body (2). It remains fitted.

Furthermore, in order to maintain the state of being folded and opened at about 90 ° at the hinge portion (14),
As shown in FIG. 6 and FIG. 7, convex portions (15a, 15b) are formed on both sides across the both ends of the thin hinge portion (14), and the protruding portions are formed inside the convex portions (15a, 15b). (16a, 16b) are formed, and as shown in FIG. 8, when bent and opened at about 90 ° by the hinge portion (14), as shown in the enlarged side view of FIG. 15b) can be fitted together, and the protrusions (16a, 16b) can be fitted together to maintain an open state of about 90 °.

  However, the hinge-type sealing lid (3) does not need to be removed one by one, so that the removed lid is reattached (sealed), or the removed lid is searched for or lost. Although it is a convenient sealing lid (3), when it is opened and folded at about 90 ° by the hinge portion (14), the convex portions (15a) provided on both sides of the hinge portion (14) are sandwiched. 15b), when the user tries to open wider (about 90 ° or more), the fitted protrusions (15a, 15b) and protrusions (16a, 16b) However, due to the lever principle, there is a problem that the lid of the region (L2) that is still sealed is detached from the container body (2), and further, the hinge portion (14) that is a thin portion is cut off.

  The present invention solves the problems of the prior art, and the problem is that the lid is made of synthetic resin and is fitted to the periphery of the upper opening of the container body to be sealed, and is removed one by one at the time of use. Even if the lid of the area that should be opened more than necessary is opened, the lid of the area that is cut off from the thin hinge part or is sealed is the container. An object of the present invention is to provide a hinged lid that does not come off the main body.

In order to achieve the above-mentioned problems in the present invention, first, in the invention of claim 1, a lid made of a synthetic resin, fitted to the periphery of the upper opening of the container body and sealed, is integrated with the top plate portion, The inner surface of the peripheral edge of the top plate portion is provided with a U-shaped peripheral edge portion, and the peripheral edge portion is provided with a skirt portion that extends downward along the outer surface of the upper opening peripheral edge of the container body. The part is composed of a region to be opened and a region that remains unsealed, and includes a thin-walled hinge portion at the boundary between the region to be opened and the region that remains unsealed, and skirt portions at both ends of the hinge portion. And a hinged lid with a notch in the U-shaped peripheral edge,
A convex part and a concave part into which the convex part is inserted and fitted are provided on both sides of the both ends of the hinge part, and a stopper part having a fitting projection is formed on a side surface where the convex part and the concave part are fitted. A hinged lid characterized by the above.

  According to a second aspect of the present invention, in the region to be opened, a handle comprising a concave portion is provided in the vicinity of an end portion on the side facing the hinge portion side. It is a lid.

  Since this invention is the above structure, there exist the following effects.

That is, according to the first aspect of the present invention, the lid is made of a synthetic resin and is fitted to the periphery of the upper opening of the container main body to be sealed, and is integrated with the top plate portion. And a skirt portion extending downward along the outer surface of the peripheral edge of the upper opening of the container body, and the top plate portion is closed with a region to be opened. And a thin-walled hinge portion at the boundary between the region to be opened and the region to be sealed, and a skirt portion at both ends of the hinge portion and a U-shaped peripheral edge. By using a hinged lid with a notch in the part, the part of the area to be opened can be pulled up and bent from the thin hinge part during use, and opened from the container body one by one. Remove the lid without the hassle of removing It is possible to provide a hinged lid that will not or or or lost looking for.

  Further, according to the first aspect of the present invention, the convex portion and the concave portion into which the convex portion is inserted and fitted are provided on both sides of the both ends of the hinge portion, and the convex portion and the concave portion are fitted to the side surface. By forming the stopper part with protrusions, the convex part on one side with the hinge part sandwiched is inserted into the concave part on the other side and opened by about 180 ° when opened during use. Therefore, even if the user tries to open it wider, it can not be opened, so the convex parts collide with each other like a conventional sealing lid, and the thin hinge part is cut or sealed It can be set as the hinged cover which does not remove | deviate the cover of the part of the area | region which exists.

  Further, in this state (opened about 180 °), the fitting protrusions on the side surface where the convex part and the concave part are fitted are fitted and fixed, and the stopper is applied. ) And a hinged lid.

  Furthermore, according to the second aspect of the present invention, in the region to be opened, a handle made of a recess is provided in the vicinity of the end portion on the side facing the hinge portion side. It is possible to easily pull up the lid of the portion of the region to be opened by placing the hand on the handle.

  Therefore, the present invention exhibits excellent practical effects in applications such as lids that fit into synthetic resin containers that contain powdered contents such as detergents.

  The best mode for carrying out the present invention will be described below in detail with reference to the drawings.

  FIG. 1 is a side view showing an example of a hinged lid of the present invention, and FIG. 2 is an enlarged side view showing an example of a stopper portion constituting the hinged lid of the present invention. 3 is an explanatory view showing an example of the hinged lid of the present invention in a plane, FIG. 4 is a side view of the hinged lid and the container body shown in FIG. 3, and FIG. It is an enlarged top view which shows an example of the stopper part which comprises the cover with a hinge of this invention.

  For example, as shown in the side view of FIG. 1, the present invention is a lid formed on a container body (2) made of synthetic resin and containing a granular detergent and the like, and a cross section formed on the inner surface thereof. The U-shaped peripheral edge (15) is fitted to the upper opening peripheral edge (21) protruding from the upper part of the container body (2) to be a lid that is sealed, The peripheral edge (15) is provided with a skirt portion (12) extending downward along the outer surface of the upper opening peripheral edge (21) of the container body (2), and the top plate (11) is opened. The hinge part (14) which consists of the area | region (L1) and the area | region (L2) which remain unsealed, and is thin at the boundary between this area (L1) and the area (L2) which remains unsealed In use, the area (L2) that remains unsealed is left, and the area to be opened (L ) Can be folded and opened at the hinge part (14), and it is related to the hinged lid (1) which is easy to use without the trouble of being removed from the container body (2) and reattached after use. is there.

The hinged lid (1) of the present invention is, for example, an upper portion of a container body (2) made of a synthetic resin having a substantially rectangular shape, as shown in the plan view of FIG. 3 and the side view of FIG. It fits into the opening periphery (21), is integrated with the substantially rectangular top plate part (11), and has a U-shaped peripheral part (not shown) below the inner surface of the peripheral part (11a). A skirt portion (12) extending downward along the outer surface of the upper opening rim (21) of the container body (2) on the outside of the rim,
The substantially rectangular top plate portion (11) has a region (L1) to be opened and a region (L2) that remains unsealed with respect to the long side of the substantially rectangular shape.

  A thin hinge portion (14) is provided at the boundary between the region to be opened (L1) and the region (L2) that remains unsealed, and the skirt portions (12) at both ends of the hinge portion (14). ) And a U-shaped peripheral edge (not shown) is a hinged lid (1) provided with a notch (12a).

  The hinged lid (1) is characterized in that a convex part (17) is formed in the left unsealed region (L2) sandwiching both ends of the thin hinge part (14), The region to be opened (L1) is to have a hinged lid (1) in which a concave portion (18) into which the left convex portion (17) is inserted and fitted is formed.

  Further, a hemispherical fitting projection (17a) is provided on the inner side surface of the convex portion (17), and a horizontally long fitting projection is provided on the inner side surface of the concave portion (18) to which the convex portion (17) is fitted. The protrusion (17), its hemispherical fitting projection (17a) and its recess (18), and its horizontally long fitting projection (18a) are provided with a stopper portion (5a). ) Is a hinged lid (1).

  The stopper portion (5) will be described in more detail. For example, as shown in the enlarged plan view of FIG. 5, convex portions are provided on both sides of the thin hinge portion (14) provided on the top plate portion (11). (17) and a recess (18), a hemispherical fitting protrusion (17a) is formed on the inner surface of the protrusion (17), and a horizontally long fitting is formed on the inner surface of the recess (18). A mating protrusion (18a) is formed.

  Although not particularly shown as the stopper portion (5), a concave portion (18) is formed in the left unsealed region (L2), and a convex portion (17) is formed in the right region to be opened (L1). And the convex portion (17) and the concave portion (18) shown in FIGS. 3 and 4 may be reversed.

  Further, in the present invention, for example, as shown in the plan view of FIG. 3 and the side view of FIG. 4, the end of the region (L1) to be opened, that is, the end on the side facing the hinge (14) side The hinged lid (1) is provided with a handle (13) comprising a recess in the vicinity.

  In this way, the hinge portion (14) is provided at the boundary between the region (L1) to be opened and the region (L2) that remains unsealed on the top plate portion (11), and both sides of the both ends of the hinge portion (14) are provided. By providing a stopper portion (5) composed of a convex portion (17) and a concave portion (18) and fitting protrusions (17a, 18a) on the inner surfaces thereof, For example, as shown in the side view of FIG. 5, when the handle (13) in the region (L1) to be opened of the top plate part is pulled up with a hand, the hinge region (14) is folded and the region to be opened ( The lid of L1) is opened, and the lid of the region (L2) that is left unsealed on the left side of the hinge portion (14) remains fitted to the upper opening periphery (21) of the container body (2) As usual, remove it from the container body and close it again. No hassle such that, and or locate the removable lid, and by extension may be lost or with good hinge of free usability to cover (1).

Furthermore, by providing the stopper portion (5) as shown in FIG. 1 and FIG. 5 and the like, for example, as an enlarged side view thereof, as shown in FIG. 2 (a), the region (L1) to be opened is shown. When the hinged lid (1) is bent at the hinge portion (14) and the opening angle (α) is expanded to about 160 °, the convex portion provided on the lid of the left unsealed region (L2) portion (17) fits into the recess (18) in the region (L1) to be opened, and the hemispherical fitting projection (17a) provided on the inner surface of the projection (17) has the recess (18). ) Is fitted to a horizontally long fitting protrusion (18a) provided on the inner side surface of () to keep the opening angle (α) widened to about 160 ° (so as not to return to the original). A hinged lid (1) is provided.

  Further, the user has a habit of trying to further expand, and even if trying to do so, as shown in the enlarged side view of FIG. 2B, for example, the hinged lid (L1) to be opened (L1) The upper peripheral edge (11b) of 1) and the upper peripheral edge (11b) of the hinged lid (1) in the unsealed region (L2) collide with each other, and the opening angle (α) is opened only to about 180 °. It is like that.

  For this reason, when it is spread about 90 ° or more as in the prior art, the hinged lid (1) in the region (L2) that is cut off from the hinge portion (14) or remains unsealed is attached to the container body (2). It can be set as the hinged lid (1) without fear of coming off from the upper opening periphery (21).

  Also, for example, as shown in FIGS. 3 and 4, the ratio between the area to be opened (L1) and the area (L2) that remains unsealed varies depending on the type of contents, the size of the container, etc. Although it is not limited, for example, in the case of a powdered detergent or the like, a relatively wide opening is required. Specifically, in the case of a top plate portion of 168 mm × 106 mm, 140 mm: 28 mm, That is, about 5: 1 is a preferable value.

  In general, the hinged lid (1) is manufactured by a general-purpose injection molding method in which a molten synthetic resin flows into a cavity of an injection mold from a nozzle of a cylinder of an injection molding machine. Is.

  Examples of the synthetic resin used therefor include polyethylene, polystyrene, polypropylene, ABS resin, polyacetal, methyl methacrylate resin, polycarbonate, and the like, but the folding aptitude and fitting at the thin hinge portion (14). Polyethylene, polypropylene resin, or the like is preferable from the viewpoint of fitting suitability at the protrusions (17a, 18a). In consideration of protection of the contents from external light, design, and the like, it is common to mix a colorant such as blue, red, or white into the resin.

  The material configuration of the container body (2) to which the hinged lid (1) is applied is not particularly limited. For example, as shown in FIG. It is easy to fit into the U-shaped peripheral edge portion (15) formed and is difficult to come off, and at the U-shaped peripheral edge portion (not shown) in the region (L1) to be opened, it is opened. What consists of material structure which has the upper opening periphery (21) which is easy to open when trying is preferable. To do so, it is more preferable that the same synthetic resin as that used for the hinged lid (1), for example, polyethylene or polypropylene resin is interposed.

  The material structure and the production thereof will be described in detail. As a container body (2) made of a composite container used for housing household washing powder detergent, for example, a flat blank plate is bent to form a cylinder. And forming a body portion of the container body (2), which is folded by a guide mold or the like to form the body portion, and the folded blank plate fills a gap and a bottom portion between both side edges, and It is a composite container in which a synthetic resin portion is integrally formed so as to cover the upper peripheral edge of the blank plate upper opening.

In the manufacture of the container body (2) formed of the composite container, a blank plate bent by a guide mold is placed in the cavity of the molding mold. The shape of the cavity is the same as the shape of the container body (2). After setting a blank plate in the cavity, a synthetic resin melted in the cavity is injected into a composite container.

  In this way, at least the upper opening periphery (21) of the container body (2) is made of or covered with the synthetic resin as described above, and the synthetic resin is almost the same (seed) as the hinged lid (1). It is desirable that

  As a result, the hinged lid (1) can be easily fitted (sealed) to the peripheral edge (15) having a U-shaped cross section, and is difficult to come off, and further in the region (L1) to be opened. The U-shaped peripheral edge (15) can be easily removed (opened) when opening.

  As described above, the present invention is a synthetic resin lid applied to a container for storing a powder or granular detergent, and is not troublesome to remove at the time of use, and is not cut or opened at the hinge portion. As an easy-to-use hinged lid that does not come off, it has a practically excellent effect.

The example with a hinged lid | cover of this invention and a container main body is shown, and it is a side view when opening it. The example of the stopper part which comprises the cover with a hinge of this invention is shown, (a) is an enlarged side view when opening and fitting by a projection part, (b) expands further to the maximum FIG. It is explanatory drawing which represented the example of the lid | cover with a hinge of this invention with the plane. It is explanatory drawing which represented the example with a hinged lid | cover of this invention, and a container main body by the side surface (partial cross section). An example of the stopper part which comprises the cover with a hinge of this invention is shown, and it is the enlarged top view. It is explanatory drawing showing the example of the lid | cover for sealing which consists of the conventional hinge type with the plane. It is explanatory drawing which represented the example of the conventional sealing lid | cover made of hinge type, and the container main body by the side surface (partial side cross section). It is a side view when the sealing lid which consists of the conventional hinge type, and an example of a container main body are shown, and the sealing lid is opened. It is an enlarged side view explaining an example of the stopper part which comprises the conventional lid | cover for sealing with hinge type.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Lid with hinge 2 ... Container body 3 ... Conventional sealing lid 5 ... Stopper part 11 ... Top plate part 11a ... Periphery of top plate part 11b ... Upper peripheral part of lid 12 ... Skirt part 12a ...... Notch in skirt part 13 ... Handle 14 ... Hinge part 15 ... Peripheral part 15a with a U-shaped cross section ... Conventional convex part 15b ... Conventional convex part 16a on the other side ··· Conventional protrusion on one side 16b ··· Conventional protrusion on the other side 17 ··· Projection 17a ··· Hemispherical fitting protrusion on the protrusion 18 ··· Recess 21 ··· Container Upper opening edge of the main body L1 ... Area to be opened L2 ... Area that remains unsealed α ... Opening angle

Claims (2)

Made of synthetic resin, a lid that fits and seals the periphery of the upper opening of the container body, is integrated with the top plate part, and has a U-shaped peripheral part on the inner surface of the peripheral part of the top plate part, The peripheral portion includes a skirt portion extending downward along the outer surface of the upper opening periphery of the container body, and the top plate portion is composed of a region to be opened and a region to be opened. In the hinged lid provided with a thin hinge portion at the boundary between the region and the unsealed region, the skirt portion at both ends of the hinge portion and the U-shaped peripheral edge portion provided with a notch,
A convex part and a concave part into which the convex part is inserted and fitted are provided on both sides of the both ends of the hinge part, and a stopper part having a fitting projection is formed on a side surface where the convex part and the concave part are fitted. A hinged lid characterized by.   The lid with a hinge according to claim 1, wherein a handle made of a concave portion is provided in the vicinity of the end portion on the side facing the hinge portion side in the region to be opened.

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