Beverage containers

Abstract

To provide a beverage container capable of keeping a space between a shoulder part and a shoulder member of a container body in a sanitary manner.SOLUTION: A beverage container 1 for storing beverage therein comprises: a container body 2 whose upper part is opened; a shoulder member 8 fitted in an opening neck part 2c reduced in diameter on an upper side than a barrel part 2b of the container body 2; and a shoulder packing 9B sandwiched between the container body 2 and the shoulder member 8. The shoulder packing 9B is positioned at least between a shoulder part 2d with a diameter gradually reduced from the barrel part 2b toward the opening neck part 2c of the container body 2 and a surface of the shoulder member 8 facing the shoulder part 2d.SELECTED DRAWING: Figure 2

Description

[Technical field]

[0001] The present invention relates to a beverage container. [Background technology]

[0002] Conventionally, there have been beverage containers that include a shoulder member that is attached to the mouth and neck portion of a container body that is open at the top, and a cap unit that is removably attached to the shoulder member (see, for example, Patent Document 1 below).

[0003] Incidentally, the beverage container described in Patent Document 1 below is equipped with a mouth gasket that seals the gap between the container body and the shoulder member when it is placed over the mouth and neck of the container body, thereby preventing the beverage in the container body from leaking out through a gap between the mouth and neck of the container body and the shoulder member. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] JP 2014-31192 A Summary of the Invention [Problem to be solved by the invention]

[0005] However, in the beverage container described in Patent Document 1, water may seep into the gap between the container body and the shoulder member from the outer circumferential surface side during cleaning, etc. In this case, since the shoulder member fitted to the neck of the container body cannot be removed, not only will the water remaining in the gap cause unsanitary conditions, but it may also cause rust on the container body.

[0006] The present invention has been proposed in consideration of the above-mentioned conventional circumstances, and aims to provide a beverage container that makes it possible to keep the area between the shoulder portion of the container body and the shoulder member hygienic. [Means for solving the problem]

[0007] In order to achieve the above object, the present invention provides the following means. [1] A beverage container for containing a beverage therein, The container has a bottom, a body part standing from the outer periphery of the bottom, a mouth and neck part whose diameter is reduced at the upper side of the body, and a shoulder part whose diameter is gradually reduced from the body part toward the mouth and neck part, and the upper end part of the mouth and neck part serves as an upper opening. An open container body; The container body With the neck portion, the shoulder portion and the upper opening covered, A shoulder member fitted to the neck portion; a mouth gasket that seals a gap between the mouth and neck portion and the shoulder member in a state in which the mouth and neck portion is covered with the upper end portion of the mouth and neck portion; The above shoulder area and the shoulder member. In this state, the gap between the shoulder portion and the shoulder member is sealed. Equipped with shoulder packing, The shoulder member is positioned between the mouth packing and the shoulder packing of the mouth and neck portion and is fitted to the mouth and neck portion. A beverage container characterized by: [2] The beverage container according to [1], wherein the shoulder member has a fitting recess on the surface facing the shoulder portion into which the shoulder packing is fitted. [3] The shoulder packing has an elastic rib portion protruding from at least one of a surface facing the shoulder portion and a surface facing the shoulder member over the entire periphery, The beverage container according to claim 1 or 2, characterized in that, when the shoulder packing is sandwiched between the shoulder portion and the shoulder member, the elastic rib portion is elastically deformed and comes into close contact with the surface that is in contact with the elastic rib portion over the entire circumference. 。 [ 4 The container body The above The above-mentioned [1] to [[1] are characterized in that they are provided with a cap unit for closing an upper opening. 3

[0023] The beverage container according to any one of the preceding claims. 。 Effect of the Invention

[0008] As described above, according to the present invention, it is possible to provide a beverage container that makes it possible to keep the area between the shoulder portion of the container body and the shoulder member hygienic. [Brief description of the drawings]

[0009] [Figure 1] 1 is a perspective view showing the appearance of a capped container according to one embodiment of the present invention; [Diagram 2]4 is a cross-sectional view showing a closed state of a cap unit provided on a capped container. FIG. [Diagram 3] 4 is a cross-sectional view showing an open state of a cap unit provided on a capped container. FIG. [Figure 4] FIG. 2 is a perspective view of the cap body as viewed from below. [Diagram 5] FIG. 2 is an exploded perspective view showing a configuration of a cap unit. [Figure 6] FIG. 2 is an exploded cross-sectional view showing the configuration of the cap unit. [Figure 7] FIG. 2 is a perspective view showing a configuration of a cap body provided in the cap unit. [Figure 8] FIG. 2 is an exploded perspective view showing the configuration of a lid body provided in the cap unit. [Figure 9] 4 is a side view showing the configuration of an inside plug provided in the cap unit. FIG. [Figure 10] 13 is a cross-sectional view of a main portion showing a state in which a slide shaft on an inside plug side is attached to a first holding member on a lid body side by screwing. FIG. [Figure 11] 13 is a perspective view of a main part showing a locked state between a locking portion and a locked portion of a stopper mechanism provided in the cap unit. FIG. [Figure 12] A cross-sectional view of a main part showing a state in which the plug body of the stopper mechanism provided in the cap unit is separated from the water-stopping gasket. [Figure 13] 1A shows the configuration of a shoulder packing, where (A) is a plan view, (B) is a cross-sectional view taken along line AA shown in (A), and (C) is an enlarged cross-sectional view of the boxed portion B shown in (B). [Figure 14] 1A shows another configuration of the shoulder packing, in which (A) is a plan view, (B) is a cross-sectional view taken along line AA shown in (A), and (C) is an enlarged cross-sectional view of the boxed portion B shown in (B). [Figure 15] FIG. 11 is a cross-sectional view showing a configuration in which a mouth packing and a shoulder packing are integrally formed. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0010] Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings. As one embodiment of the present invention, a capped container 1 shown in, for example, FIGS. 1 to 15 will be described.

[0011] FIG. 1 is a perspective view showing the appearance of the capped container 1. FIG. 2 is a cross-sectional view showing the closed state of the cap unit 3 included in the capped container 1. FIG. 3 is a cross-sectional view showing the open state of the cap unit 3 included in the capped container 1. FIG. 4 is a perspective view of the cap body 10 seen from below. FIG. 5 is an exploded perspective view showing the configuration of the cap unit 3. FIG. 6 is an exploded cross-sectional view showing the configuration of the cap unit 3. FIG. 7 is a perspective view showing the configuration of the cap body 10 included in the cap unit 3. FIG. 8 is an exploded perspective view showing the configuration of the lid body 11 included in the cap unit 3. FIG. 9 is a side view showing the configuration of the inside plug 12 included in the cap unit 3. FIG. 10 is a cross-sectional view of the main part showing a state in which the slide shaft 30 on the inside plug 12 side is attached to the first holding member 23 on the lid body 11 side by screwing. FIG. 11 is a perspective view of the main part showing a state in which the locking portion 36a and the locked portion 36b of the stopper mechanism 36 included in the cap unit 3 are locked. Fig. 12 is a cross-sectional view of the main part showing a state in which the plug 29 of the stopper mechanism 36 of the cap unit 3 is separated from the water stop gasket 20. Fig. 13 shows the configuration of the shoulder gasket 9B, where (A) is a plan view, (B) is a cross-sectional view taken along the line AA shown in (A), and (C) is a cross-sectional view enlarging the enclosed part B shown in (B). Fig. 14 shows another configuration of the shoulder gasket 9B, where (A) is a plan view, (B) is a cross-sectional view taken along the line AA shown in (A), and (C) is a cross-sectional view enlarging the enclosed part B shown in (B). Fig. 15 is a cross-sectional view showing a configuration in which the mouth gasket 9A and the shoulder gasket 9B are integrally formed.

[0012] 1, the capped container 1 of this embodiment includes a container body 2 and a cap unit 3 that is detachably attached to the container body 2. The capped container 1 is a tabletop pot (beverage container) that can keep a beverage (contents) contained in the container body 2 hot or cold by the container body 2 having a vacuum insulation structure.

[0013] In addition, in the capped container 1 of this embodiment, the side on which the spout 15 described below is provided will be treated as the "front side," and the side on which the handle portion 8b, located opposite the spout 15, is provided will be treated as the "rear side."

[0014] 1 to 3, the container body 2 has a bottomed cylindrical outer container 4 and an inner container 5 made of, for example, stainless steel, and is configured as a double-structure container in which the mouths of the outer container 4 and the inner container 5 are joined together while the inner container 5 is housed inside the outer container 4. A vacuum insulation layer 6 is provided between the outer container 4 and the inner container 5. The vacuum insulation layer 6 can be formed, for example, by blocking a degassing hole provided in the center of the bottom surface of the outer container 4 in a chamber that has been reduced to a high vacuum (evacuated).

[0015] The container body 2 has a substantially circular bottom 2a, a body 2b that rises from the outer periphery of the bottom 2a in a substantially cylindrical shape, a substantially cylindrical mouth and neck 2c that is tapered at the upper side of the body 2b, and a shoulder 2d that is gradually tapered from the body 2b to the mouth and neck 2c. The upper end of the mouth and neck 2c opens in a circular shape as the upper opening 2e of the container body 2. The inner circumferential surface of the mouth and neck 2c is tapered in diameter more than the inner circumferential surface of the body 2b. Furthermore, a ring-shaped protrusion 7 is provided on the inner circumferential surface of the mouth and neck 2c so as to protrude all around.

[0016] Although the container body 2 of this embodiment has an overall cylindrical external shape with a reduced diameter at the upper side of the trunk portion 2b, the external shape of the container body 2 is not particularly limited and can be appropriately changed according to the size, design, etc. In addition, the outer peripheral surface of the container body 2 may be painted, printed, etc.

[0017] The container body 2 has a structure in which a shoulder member 8 is attached to the mouth neck portion 2c. The shoulder member 8 is made of a resin molded body such as polypropylene (PP), acrylonitrile butadiene styrene (ABS), polyacetal (POM), or the like, and is formed into a substantially cylindrical shape as a whole.

[0018] The shoulder member 8 is attached to the mouth and neck portion 2c of the container body 2 via a mouth packing 9A and a shoulder packing 9B. The mouth packing 9A and the shoulder packing 9B are ring-shaped sealing members that seal between the mouth and neck portion 2c and the shoulder portion 2d of the container body 2 and the shoulder member 8, and are made of an elastic member such as a heat-resistant rubber or elastomer, for example, silicone rubber.

[0019] The shoulder member 8 is fitted to the mouth and neck portion 2c of the container body 2 so as to be flush with the outer peripheral surface of the trunk portion 2b of the container body 2, covering the mouth and neck portion 2c, shoulder portion 2d, and upper opening 2e of the container body 2 via the mouth gasket 9A and shoulder gasket 9B.

[0020] The mouth gasket 9A, when placed over the upper end of the mouth and neck portion 2c, seals the gap between the mouth and neck portion 2c of the container body 2 and the shoulder member 8. The inner periphery of the mouth gasket 9A extends to the vicinity of the lower end of the inner periphery of the shoulder member 8. This prevents the beverage in the container body 2 from entering the gap between the mouth and neck portion 2c of the container body 2 and the shoulder member 8 and from leaking out therefrom.

[0021] 13(A) to 13(C), shoulder packing 9B seals the gap between shoulder 2d of container body 2 and shoulder member 8 while being positioned at least between shoulder 2d and the surface (lower surface) of shoulder member 8 facing shoulder 2d. This prevents water and the like from entering the gap between shoulder 2d of container body 2 and shoulder member 8 from the outside during cleaning, etc.

[0022] The shoulder member 8 has a fitting recess 8a into which the shoulder packing 9B is fitted on a surface (lower surface) facing the shoulder portion 2d. Meanwhile, the shoulder packing 9B has at least one elastic rib portion 9a (four in this embodiment) protruding all around from at least one surface (upper and lower surfaces in this embodiment) of the surface (lower surface) facing the shoulder portion 2d and the surface (upper surface) facing the shoulder member 8. The four elastic rib portions 9a are located on the inner and outer circumferential sides of the upper and lower surfaces of the shoulder packing 9B and are provided protruding in opposite directions from positions facing each other.

[0023] When the shoulder packing 9B is sandwiched between the shoulder portion 2d and the shoulder member 8, the elastic rib portion 9a is elastically deformed and the shoulder packing 9B is in close contact with the surface that is in contact with the elastic rib portion 9a over the entire circumference. As a result, even if dimensional errors occur due to molding conditions for the container body 2 and the shoulder member 8, the elastic rib portion 9a elastically deforms in response to the dimensional difference, making it possible to seal the gap between the shoulder portion 2d and the shoulder member 8.

[0024] A handle 8b to be gripped by a user is provided on the rear side of the shoulder member 8. The handle 8b protrudes rearward from the outer periphery of the shoulder member 8 and extends downward. Note that the handle 8b is not necessarily limited to the above-mentioned configuration in which it is provided on the rear side of the container body 2, and it is also possible to configure the handle to be provided on the rear side of the cap unit 3.

[0025] As shown in FIGS. 1 to 9, the cap unit 3 of this embodiment includes a cap body 10, a lid body 11 located on the upper side of the cap body 10, and an inner plug 12 located on the lower side of the cap body 10.

[0026] As shown in Figures 2 to 7, the cap body 10 is made of a resin molded body such as PP, ABS, POM, etc., and has a substantially circular bottom wall portion 10a that is recessed upward, and a substantially cylindrical peripheral wall portion 10b that rises from the outer periphery of the bottom wall portion 10a.

[0027] The cap body 10 is detachably attached to the shoulder member 8 (container body 2) by screwing. For this purpose, a female thread portion 13 is provided on the inner peripheral surface of the shoulder member 8. Meanwhile, a male thread portion 14 that screws into the female thread portion 13 is provided on the outer peripheral surface of the peripheral wall portion 10b (cap body 10). The cap body 10 closes the upper opening 2e of the container body 2 by being attached to the shoulder member 8 (container body 2).

[0028] The cap body 10 is configured to be removably attached to the shoulder member 8 described above, but in a configuration in which the shoulder member 8 is omitted, the cap body 10 may be removably attached to the mouth neck portion 2c of the container body 2 by screwing.

[0029] A flow path R that communicates with the inside of the container body 2 is provided inside the cap body 10. The cap body 10 has a spout 15 that protrudes forward from the upper end of the front side of the peripheral wall portion 10b, a pair of partition walls 16 that protrude rearward from the inner peripheral surface of the front side of the peripheral wall portion 10b, a liquid passage port 17 that opens into the bottom wall portion 10a between the lower sides of the pair of partition walls 16, an air vent 18 that opens into the rear side of the bottom wall portion 10a, and a sleeve portion 19 that is provided in the center of the bottom wall portion 10a.

[0030] The spout 15 is a portion for pouring the beverage in the container body 2 to the outside, and is constituted by a groove portion that is inclined obliquely upward and protrudes forward. The pair of partition walls 16 are portions that divide a part of the flow path R between the spout 15 and the liquid passage port 17 in the width direction, and are provided protruding parallel to each other across the space between the spout 15 and the liquid passage port 17. The liquid passage port 17 is a portion that communicates with the inside of the container body 2 and is constituted by a hole portion that penetrates the front side of the bottom wall portion 10a. The vent hole 18 is a portion that communicates with the inside of the container body 2 and is constituted by a hole portion that penetrates the rear side of the bottom wall portion 10a. The sleeve portion 19 is a portion that supports the slide shaft 30 described later so as to be slidable in the vertical direction, and is provided protruding upward in a substantially cylindrical shape with an axial hole 19a that penetrates the bottom wall portion 10a.

[0031] Although spout 15 is configured to be provided at the front upper end of cap body 10, it may also be configured to be provided at the front upper end of shoulder member 8. In the case where spout 15 is configured to be provided at shoulder member 8, it is sufficient to configure a pair of upper wall portions 10d, which will be described later, to be continuous with the base end of spout 15 provided at shoulder member 8 when cap unit 3 is attached to container body 2.

[0032] The upper part of the cap body 10 is provided with an upper flange portion 10c protruding in the radially expanding direction from the upper end portion of the peripheral wall portion 10b, and a pair of upper wall portions 10d protruding upward from the upper surface of the upper flange portion 10c.

[0033] The upper flange portion 10c forms a step portion 10e around the entire circumference between the upper flange portion 10c and the outer circumferential surface of the peripheral wall portion 10b. The pair of upper wall portions 10d are continuous with the base end portion of the spout 15 and are provided so as to protrude rearward from the upper flange portion 10c while surrounding the periphery of the upper end portion of the peripheral wall portion 10b.

[0034] A waterproof gasket 20 is detachably attached to the lower part of the cap body 10. The waterproof gasket 20 is a ring-shaped sealing member that seals the gap between the inside of the container body 2 and the cap body 10, and is made of an elastic member such as a heat-resistant rubber, elastomer, etc., such as silicone rubber.

[0035] The lower part of the cap body 10 is provided with a lower peripheral wall 10f which protrudes downward from the bottom wall portion 10a in an approximately cylindrical shape, and a lower flange portion 10g which protrudes from the outer circumferential surface of the lower peripheral wall 10f in the radially expanding direction around the entire circumference.

[0036] Meanwhile, a ring-shaped fitting recess 20a is provided around the entire circumference of the inner peripheral surface of the watertight gasket 20. The watertight gasket 20 is detachably attached to the outer peripheral portion of the lower end side of the cap body 10 by fitting the lower flange portion 10g into the fitting recess 20a and fitting to the outer peripheral surface of the lower peripheral wall 10f.

[0037] Additionally, an elastic flange portion 20b protruding in the radially expanding direction is provided on the outer peripheral surface of the watertight gasket 20. When the cap body 10 is attached to the container body 2, the watertight gasket 20 comes into close contact with the overhanging portion 7 of the container body 2 over the entire circumference while the elastic flange portion 20b elastically deforms. This makes it possible to seal the gap between the overhanging portion 7 (the inside of the container body 2) and the cap body 10.

[0038] On the other hand, the watertight gasket 20 can be removed from the cap body 10 by elastically deforming (pulling and stretching) itself. This allows the cap body 10 and the watertight gasket 20 to be washed separately, and the space between the cap body 10 and the watertight gasket 20 can be kept hygienic.

[0039] The watertight packing 20 is not necessarily limited to the above-mentioned shape, and for example, the number of elastic flange portions 20b is not limited to one as described above, but may be multiple. Also, the shape of the elastic flange portion 20b may be appropriately changed.

[0040] As shown in Figures 2 to 6, 8 and 10, the lid body 11 is attached to the cap body 10 so as to be freely movable in the vertical direction while being biased upward by a first coil spring 21 provided inside the lid body 11.

[0041] Specifically, the lid body 11 has a first coil spring 21, a lid member 22, a first holding member 23, and a cover member 24. The first coil spring 21 serves as a first biasing member and is made of a metal coil having excellent corrosion resistance, such as stainless steel. The lid member 22, the first holding member 23, and the cover member 24 are made of a resin molded body, such as PP, ABS, or POM.

[0042] The lid member 22 is formed into a generally elliptical plate shape so as to close the upper part of the peripheral wall portion 10b when fitted inside the pair of upper wall portions 10d of the cap body 10.

[0043] A flow path forming portion 25 that forms a part of the flow path R is provided on the front side of the cover member 22 (cover body 11). The flow path forming portion 25 has an upper wall 25a that covers the space between the upper sides of the pair of partition walls 16, a rear wall 25b that covers the space between the rear sides of the pair of partition walls 16, and a pair of side walls 25c that cover the outer surfaces of the pair of partition walls 16. The pair of partition walls 16, the upper wall 25a, the rear wall 25b, and the pair of side walls 25c engage with each other to form a flow path R that runs from the liquid passage port 17 toward the spout 15.

[0044] In addition, the lid member 22 is removably attached to the cap body 10 by engagement between a pair of engagement grooves 16a formed on the outer surfaces of a pair of partition walls 16 and a pair of engagement protrusions 25d formed on the inner surfaces of a pair of side walls 25c.

[0045] The first holding member 23 has a generally circular top wall portion 23a, a generally cylindrical peripheral wall portion 23b rising down from the outer periphery of the top wall portion 23a, and a plurality of (three in this embodiment) holes 23c penetrating the top wall portion 23a.

[0046] The first holding member 23 also has a pair of guide protrusions 26 and a sleeve portion 27. The pair of guide protrusions 26 are provided protruding outward from opposing positions on the peripheral wall portion 23b.

[0047] The sleeve portion 27 is a portion to which the slide shaft 30 described later is detachably attached by screwing, and has a shaft hole 27a penetrating the center of the top wall portion 23a and is provided so as to protrude downward in a substantially cylindrical shape. Also, a pair of screwing projections 27b are provided so as to protrude from the inside of the sleeve portion 27 (the inner peripheral surface of the shaft hole 27a).

[0048] On the other hand, the cover member 22 is provided with an accommodating recess 22a that accommodates the first coil spring 21, an axial hole 22b that penetrates the center of the accommodating recess 22a, a pair of guide recesses 22c that guide the pair of guide protrusions 26 so that they can slide freely in the vertical direction, and a pair of abutment portions 22d that abut against the pair of guide protrusions 26 at the upper ends of the pair of guide recesses 22c.

[0049] The first retaining member 23 is attached to the cover member 22 by compressing the first coil spring 21 between the accommodating recess 22a and the top wall portion 23a while inserting the pair of guide protrusions 26 into the pair of guide recesses 22c.

[0050] As a result, first holding member 23 holds first coil spring 21 in a compressed state between it and cover member 22. Also, first holding member 23 is free to slide (move) in the up and down direction while being biased upward by first coil spring 21. Also, upward sliding (movement) of first holding member 23 relative to cover member 22 is restricted by a pair of guide projections 26 abutting against a pair of abutment portions 22d.

[0051] The cover member 24 is formed into a generally elliptical plate shape so as to cover the upper parts of the lid member 22 and the first holding member 23 when fitted inside the pair of upper wall portions 10d of the cap body 10. In addition, the cover member 24 is provided at its rear end with an operating lever 24a that protrudes rearward.

[0052] The cover member 24 is attached so as to be freely rotatable (movable) in the vertical direction via a hinge portion 28 provided between the cover member 24 and the lid member 22. The hinge portion 28 has a pair of engagement grooves 25e provided on the lid member 22 side and a pair of support shafts 24b provided on the cover member 24 side.

[0053] The pair of engagement grooves 25e are located on the outer surfaces of the pair of side walls 25c and are formed by cutting out the upper ends of the pair of side walls 25c obliquely downward and rearward. The pair of support shafts 24b are provided protruding from the inner surfaces of a pair of arm portions 24c protruding downward from the front lower surface of the cover member 24.

[0054] The hinge portion 28 rotatably supports the cover member 24 with respect to the lid member 22 by positioning the pair of spindles 24b at the rear ends of the pair of engagement grooves 25e while engaging the pair of spindles 24b with the pair of engagement grooves 25e. The cover member 24 is detachably attached to the lid member 22 by the engagement between the pair of engagement grooves 25e and the pair of spindles 24b that constitute the hinge portion 28.

[0055] The cover member 24 also has an elastic piece 24d protruding downward from the lower surface on the rear side, and a locking claw 24e protruding forward from the tip of the elastic piece 24d. Meanwhile, a locking hole 22e is opened and provided on the rear side of the lid member 22. With the elastic piece 24d inserted into the locking hole 22e, the locking claw 24e is locked in the locking hole 22e, thereby restricting the cover member 24 from rotating (moving) upward relative to the lid member 22.

[0056] As shown in FIGS. 2 to 6 and 9, the inside plug 12 is attached to the cap body 10 so as to be freely movable in the up and down directions.

[0057] Specifically, the inside plug 12 has a plug body 29, a slide shaft 30, a second coil spring 31, and a second holding member 32. The second coil spring 31 serves as a second biasing member and is made of a metal coil having excellent corrosion resistance, such as stainless steel. The plug body 29, the slide shaft 30, and the second holding member 32 are made of a resin molded body, such as PP, ABS, or POM.

[0058] The plug 29 is generally formed in a substantially circular disk shape so as to close the lower portion of the cap body 10. The plug 29 is also shaped to be concave upward. A pair of walls 29a are provided on the outer periphery of the lower surface of the plug 29, protruding downward from opposing positions to be gripped when attaching or detaching the plug 29.

[0059] A sleeve portion 33 is provided in the center of the plug 29. The sleeve portion 33 is a portion that supports the slide shaft 30 so as to be slidable in the vertical direction, has a center hole 33a penetrating the plug 29, and is provided so as to protrude upward in a substantially cylindrical shape. The sleeve portion 33 is also disposed inside the second coil spring 31.

[0060] The slide shaft 30 has a shaft portion 30a and a head portion 30b at the lower end of the shaft portion 30a, and is attached so as to be freely slidable (movable) in the up and down direction relative to the plug body 29, with the shaft portion 30a penetrating the central hole 33a toward the upward side. Furthermore, the head portion 30b abuts against the lower surface of the plug body 29, thereby restricting the slide shaft 30 from sliding (moving) upward relative to the plug body 29.

[0061] Furthermore, the slide shaft 30 has a plurality of (four in this embodiment) rib walls 30c protruding from the periphery of the base end side of the shaft portion 30a. Meanwhile, a plurality of (four in this embodiment) guide grooves 33b with which the plurality of rib walls 30c engage are provided on the inside of the sleeve portion 33 (the inner peripheral surface of the center hole 33a). This allows the inside plug 12 to restrict rotation of the plug body 29 around the axis relative to the shaft portion 30a (slide shaft 30).

[0062] The shaft portion 30a has an outer peripheral surface provided with a pair of screw grooves 30d into which the pair of screw projections 27b are screwed, and a pair of locking grooves 30e into which the pair of screw projections 27b are locked. The pair of screw grooves 30d are formed by cutting out a spiral shape downward from the upper end side of the shaft portion 30a. The pair of locking grooves 30e are formed by cutting out upward continuously from the lower end of each screw groove 30d.

[0063] A shaft packing 34 is detachably attached to the shaft portion 30a. The shaft packing 34 is a ring-shaped sealing member that seals between the shaft portion 30a (slide shaft 30) that passes through the shaft hole 19a of the sleeve portion 19 and the shaft hole 19a (cap body 10), and is made of an elastic member such as a heat-resistant rubber, elastomer, etc., such as silicone rubber.

[0064] The shaft packing 34 is fitted into a ring-shaped fitting recess 30f provided on the outer circumferential surface of the shaft 30a. An elastic flange portion 34a that is in close contact with the entire periphery of the shaft hole 19a is provided on the outer circumferential surface of the shaft packing 34 and protrudes in the radial direction.

[0065] A head packing 35 is detachably attached to the head 30b. The head packing 35 is a ring-shaped seal member that seals between the head 30b (slide shaft 30) that abuts against the periphery of the central hole 33a of the sleeve portion 33 and the central hole 33a (plug 29), and is made of an elastic member such as a heat-resistant rubber, elastomer, etc., such as silicone rubber. The head packing 35 is placed on the outer periphery of the head 30b.

[0066] The second holding member 32 has a generally circular top wall portion 32a, a generally cylindrical peripheral wall portion 32b rising down from the outer periphery of the top wall portion 32a, and a slide hole 32c penetrating the center of the top wall portion 32a.

[0067] The second holding member 32 is attached to the slide shaft 30 by passing the shaft portion 30a through the slide hole 32c while compressing the second coil spring 31 between the plug 29 and the top wall portion 32a.

[0068] Moreover, the second holding member 32 is restricted from sliding (moving) upward relative to the slide shaft 30 by abutting against abutment portions 30g provided between the upper ends of the plurality of rib walls 30c.

[0069] As a result, the second holding member 32 holds the second coil spring 31 in a compressed state between it and the plug 29. The second holding member 32 is also slidable (movable) in the up and down direction while being biased upward by the second coil spring 31. The second coil spring 31 also biases the plug 29 downward relative to the slide shaft 30.

[0070] Furthermore, the inner peripheral surface of the slide hole 32c is provided with a plurality of (four in this embodiment) guide grooves 32d into which the plurality of rib walls 30c engage. This restricts the center plug 12 from rotating about the axis of the second holding member 32 relative to the shaft portion 30a (slide shaft 30).

[0071] In the cap unit 3 of this embodiment, as shown in FIGS. 2, 3, 6 and 10, the slide shaft 30 on the inside plug 12 side is detachably attached to the first holding member 23 on the lid body 11 side by screwing.

[0072] Specifically, the shaft portion 30a of the slide shaft 30 passes through the shaft holes 19a, 22b, 27a provided in the cap body 10, the lid member 22 and the first retaining member 23, respectively, and the tip portion of the shaft portion 30a protrudes upward above the first retaining member 23, and the slide shaft 30 (inner plug 12) is removably attached to the first retaining member 23 (lid body 11) by screwing.

[0073] The inner plug 12 can be attached to the first retaining member 23 (lid body 11) by rotating the slide shaft 30 together with the plug body 29 around an axis in one direction (clockwise in this embodiment) while screwing the pair of screwing protrusions 27b into the pair of screwing grooves 30d, and then engaging the pair of screwing protrusions 27b with the pair of engagement grooves 30e.

[0074] As a result, in the cap unit 3 of this embodiment, the lid body 11 and the inner plug 12 can be attached to the cap body 10. Also, in the cap unit 3 of this embodiment, the plug body 29 is in close contact with the watertight packing 20 over the entire circumference, so that the plug body 29 (inner plug 12) closes the lower side of the cap body 10.

[0075] Meanwhile, the inside plug 12 can be removed from the first holding member 23 (lid body 11) by rotating the slide shaft 30 together with the plug body 29 around an axis in the opposite direction to the one direction (counterclockwise in this embodiment). As a result, in the cap unit 3 of this embodiment, the lid body 11 and the inside plug 12 can be removed from the cap body 10 and disassembled.

[0076] In addition, the cap unit 3 of this embodiment is equipped with a stopper mechanism 36 that prevents the stopper body 29 (inner plug 12) from rotating around its axis relative to the cap body 10 when the stopper body 29 (inner plug 12) blocks the lower side of the cap body 10, as shown in Figures 11 and 12.

[0077] The stopper mechanism 36 has at least one or more (two in this embodiment) engaging portions 36a provided on the surface (upper surface) of the stopper body 29 facing the cap body 10, and at least one or more (two in this embodiment) engaged portions 36b provided on the surface (lower surface) of the cap body 10 facing the stopper body 29.

[0078] The locking portion 36a is configured by a wall portion protruding from the upper surface side of the plug 29. The locking portion 36a extends in the radial direction of the plug 29, and is provided so as to protrude such that its upper end is at the same height in the radial direction as the inclined upper surface of the plug 29. The locking portions 36a are provided at positions symmetrical with respect to the central hole 33a of the plug 29.

[0079] The locked portion 36b is configured as a groove portion formed by cutting out a part of the lower peripheral wall 10f protruding from the lower surface side of the cap body 10. One end (left end) of the locked portion 36b in one direction is configured as a vertical surface, and the other end (right end) is configured as an inclined surface. The locked portion 36b is provided at a position symmetrical with respect to the axial hole 19a of the cap body 10.

[0080] In the stopper mechanism 36, when the stopper body 29 (inner plug 12) blocks the lower side of the cap body 10, the engaging portion (wall portion) 36a engages with the engaged portion (groove portion) 36b, thereby restricting the stopper body 29 (inner plug 12) from rotating around its axis relative to the cap body 10.

[0081] This makes it possible to prevent the stopper body 29 (inner stopper 12) from being rotated around its axis when attaching or detaching the cap unit 3 from the container body 2, and to prevent the stopper body 29 (inner stopper 12) from being rotated around its axis and releasing the screw engagement of the slide shaft 30 (inner stopper 12) with the first holding member 23 (lid body 11).

[0082] On the other hand, in the stopper mechanism 36, when the plug 29 (inner plug 12) opens the lower side of the cap body 10, the locking portion (wall portion) 36a is released from the locked portion (groove portion) 36b. This makes it possible to easily rotate the plug 29 (inner plug 12) around the axis relative to the cap body 10.

[0083] In addition, in the stopper mechanism 36, when the plug 29 (inner plug 12) is rotated about its axis relative to the cap body 10, the engaging portion (wall portion) 36a comes into sliding contact with the lower end portion of the lower peripheral wall 10f, while the plug 29 is separated from the watertight gasket 20. This makes it possible to easily rotate the plug 29 (inner plug 12) about its axis relative to the cap body 10 without the plug 29 (inner plug 12) coming into contact with the watertight gasket 20.

[0084] In addition, in the stopper mechanism 36, so long as the above-mentioned engaging portion 36a is configured to engage with the engaged portion 36b, it is possible to appropriately change the configurations of the engaging portion 36a and the engaged portion 36b, not limited to the case where the engaging portion 36a is configured by a wall portion and the engaged portion 36b is configured by a groove portion.

[0085] In the cap unit 3 of this embodiment having the above-mentioned configuration, the plug 29 (inner plug 12) closes the lower side of the cap body 10, thereby closing the flow path R. From this state, while holding the handle portion 8b with one hand, the operating lever 24a is pressed downward with the thumb or the like.

[0086] At this time, from a state in which the tip of the slide shaft 30 is in contact with the cover member 24, the cover member 24 (lid body 11) rotates (moves) downward against the bias of the first coil spring 21, causing the slide shaft 30 (inner plug 12) to slide (move) downward. As a result, the plug body 29 (inner plug 12) opens the lower side of the cap body 10, and the flow path R is opened.

[0087] In addition, when the plug 29 (inner plug 12) is subjected to pressure inside the container body 2, the slide shaft 30 (inner plug 12) slides (moves) downward, causing the head 30b to open the lower side of the central hole 33a against the force of the second coil spring 31, and ventilation is established with the inside of the container body 2 through the ventilation hole 18.

[0088] In the cap unit 3 of this embodiment, by tilting the container body 2 forward from this state, the beverage contained in the container body 2 can be poured out from the spout 15 through the open flow path R.

[0089] On the other hand, in the cap unit 3 of this embodiment, by releasing the pressing operation of the above-mentioned operation lever 24a, the cover member 24 (lid body 11) biased by the first coil spring 21 rotates (moves) upward. Also, the slide shaft 30 (inner plug 12) biased by the first coil spring 21 slides (moves) upward. As a result, the plug body 29 (inner plug 12) closes the lower side of the cap body 10, and the flow path R becomes closed.

[0090] Furthermore, as the slide shaft 30 (inner plug 12) slides (moves) upward, the head portion 30b biased by the second coil spring 31 closes the lower portion of the center hole 33a.

[0091] In the cap unit 3 of this embodiment, the above-mentioned shoulder packing 9B seals the gap between the shoulder portion 2d of the container body 2 and the shoulder member 8. This prevents water and the like from entering the gap between the shoulder portion 2d of the container body 2 and the shoulder member 8 from the outside during cleaning, etc., and makes it possible to keep the gap between the shoulder portion 2d of the container body 2 and the shoulder member 8 hygienic.

[0092] Furthermore, in the cap unit 3 of this embodiment, the above-mentioned lid member 22 (lid body 11) is provided with a flow path forming portion 25 that forms a part of the flow path R. This makes it possible to prevent the beverage in the flow path R from flowing inside the lid body 11 (specifically, between the lid member 22 and the cover member 24), and also makes it possible to maintain the hygiene of the flow path R.

[0093] In addition, in the cap unit 3 of this embodiment, when the above-mentioned inner plug 12 opens the flow path R, the inner plug 12 is detachable from the lid body 11. Specifically, when the plug body 29 (inner plug 12) opens the lower side of the cap body 10, the slide shaft 30 on the inner plug 12 side is detachable from the first holding member 23 on the lid body 11 side by being screwed.

[0094] As a result, in the cap unit 3 of this embodiment, when the stopper body 29 (inner plug 12) opens the lower side of the cap body 10, the lid body 11 and the inner plug 12 can be removed from the cap body 10, and the cap unit 3 can be easily disassembled.

[0095] Therefore, in the cap unit 3, it is possible to easily clean the flow path R with the cap body 10, the lid body 11, and the inner plug 12 in a disassembled state. In addition, since these can be washed separately in a disassembled state, it is possible to keep the spaces between the cap body 10, the lid body 11, and the inner plug 12 hygienic.

[0096] As described above, the cap unit 3 of the present embodiment can simplify the structure and improve the washability. Therefore, by providing the capped container 1 of the present embodiment with such a cap unit 3, it is possible to further improve the usability.

[0097] The present invention is not necessarily limited to the above-described embodiment, and various modifications can be made without departing from the spirit of the present invention. For example, the shoulder packing 9B is not necessarily limited to the configurations shown in the above-mentioned FIGS. 13(A) to (C), and may be configured as shown in FIGS. 14(A) to (C).

[0098] Specifically, in the configuration shown in Figures 14(A) to (C), the upper surface of the shoulder packing 9B is flattened to match the shape of the fitting recess 8a, and two elastic rib portions 9a are provided protruding downward from the inner and outer circumferential ends of the lower surface of the shoulder packing 9B.

[0099] Even in this configuration, it is possible to prevent water or the like from entering the gap between the shoulder portion 2d of the container body 2 and the shoulder member 8 from the outside during cleaning, etc., and to keep the space between the shoulder portion 2d of the container body 2 and the shoulder member 8 hygienic.

[0100] Further, the above-mentioned mouth packing 9A and shoulder packing 9B are configured as separate bodies, but as shown in FIG. 15, the mouth packing 9A and shoulder packing 9B may be configured as being integrally formed.

[0101] In the above embodiment, a capped container 1 applied to the above-mentioned tabletop pot is illustrated as an example, but the present invention can be widely applied to beverage containers in which a gap is formed between the shoulder portion of the container body and the shoulder member.

[0102] Specifically, in the above embodiment, the shoulder member 8 is fitted into the mouth and neck portion 2c of the container body 2 described above. However, by using the above-mentioned shoulder gasket 9B as a shoulder member in a configuration in which a part of the cap body 10 is fitted into the mouth and neck portion 2c of the container body 2, it is possible to prevent water, etc. from entering the gap between the shoulder portion 2d of the container body 2 and the cap body 10 from the outside during cleaning, etc.

[0103] In addition, in the above embodiment, a capped container 1 having a heat retention / cold retention function due to the container body 2 having the above-mentioned vacuum insulation structure is exemplified, but the present invention can also be applied to a capped container (beverage container) having a container body that does not have a vacuum insulation structure. [Explanation of symbols]

[0104] 1...Container with cap (beverage container) 2...Container body 3...Cap unit 8...Shoulder member 8a...Fitting recess 8b...Handle portion 9A...Nose packing 9B...Shoulder packing 9a...Elastic rib portion 10...Cap body 11...Lid body 12...Inner plug 15...Pour spout 16...Partition wall 17...Liquid passage port 21...First coil spring (first biasing member) 22...Lid member 23...First holding member 24...Cover member 24a...Operation lever 25...Flow path forming portion 25a...Upper wall 25b...Rear wall 28...Hinge portion 29...Plug body 30...Slide shaft 31...Second coil spring (second biasing member) 32...Second holding member 36...Stopper mechanism 36a...Engaging portion 36b...Engaged portion R...Flow path

Claims

1. A beverage container for containing a beverage therein, a container body having a bottom, a body part standing from the outer periphery of the bottom, a mouth and neck part whose diameter is reduced at the upper side of the body part, and a shoulder part whose diameter is gradually reduced from the body part toward the mouth and neck part, and the upper end part of the mouth and neck part is opened as an upper opening; a shoulder member fitted to the mouth and neck portion in a state of covering the mouth and neck portion, the shoulder portion, and the upper opening of the container body; a mouth gasket that seals a gap between the mouth and neck portion and the shoulder member in a state in which the mouth and neck portion is covered with the upper end portion of the mouth and neck portion; a shoulder packing that is sandwiched between the shoulder portion and the shoulder member to seal the gap between the shoulder portion and the shoulder member, A beverage container, characterized in that the shoulder member is positioned between the mouth packing and the shoulder packing of the mouth and neck portion and is fitted to the mouth and neck portion.

2. 2. The beverage container according to claim 1, wherein the shoulder member has a fitting recess in a surface facing the shoulder portion, into which the shoulder packing is fitted.

3. the shoulder packing has an elastic rib portion protruding from at least one of a surface facing the shoulder portion and a surface facing the shoulder member over the entire periphery, A beverage container as described in claim 1 or 2, characterized in that when the shoulder gasket is sandwiched between the shoulder portion and the shoulder member, the elastic rib portion elastically deforms and comes into close contact with the surface that abuts the elastic rib portion around the entire circumference.

4. 4. The beverage container according to claim 1, further comprising a cap unit for closing the upper opening of the container body.

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