WO2015002099A1 - 容器 - Google Patents
容器 Download PDFInfo
- Publication number
- WO2015002099A1 WO2015002099A1 PCT/JP2014/067244 JP2014067244W WO2015002099A1 WO 2015002099 A1 WO2015002099 A1 WO 2015002099A1 JP 2014067244 W JP2014067244 W JP 2014067244W WO 2015002099 A1 WO2015002099 A1 WO 2015002099A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- container
- seal portion
- annular seal
- separation
- annular
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
- B65D77/10—Container closures formed after filling
- B65D77/20—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers
- B65D77/2024—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers the cover being welded or adhered to the container
- B65D77/2028—Means for opening the cover other than, or in addition to, a pull tab
- B65D77/2032—Means for opening the cover other than, or in addition to, a pull tab by peeling or tearing the cover from the container
- B65D77/2036—Means for opening the cover other than, or in addition to, a pull tab by peeling or tearing the cover from the container the seal having a stress concentrating portion
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/40—Beverage-making apparatus with dispensing means for adding a measured quantity of ingredients, e.g. coffee, water, sugar, cocoa, milk, tea
- A47J31/407—Beverage-making apparatus with dispensing means for adding a measured quantity of ingredients, e.g. coffee, water, sugar, cocoa, milk, tea with ingredient-containing cartridges; Cartridge-perforating means
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/40—Beverage-making apparatus with dispensing means for adding a measured quantity of ingredients, e.g. coffee, water, sugar, cocoa, milk, tea
- A47J31/41—Beverage-making apparatus with dispensing means for adding a measured quantity of ingredients, e.g. coffee, water, sugar, cocoa, milk, tea of liquid ingredients
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B69/00—Unpacking of articles or materials, not otherwise provided for
- B65B69/005—Unpacking of articles or materials, not otherwise provided for by expelling contents, e.g. by squeezing the container
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
- B65D1/22—Boxes or like containers with side walls of substantial depth for enclosing contents
- B65D1/26—Thin-walled containers, e.g. formed by deep-drawing operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
- B65D1/40—Details of walls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
- B65D85/70—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for
- B65D85/804—Disposable containers or packages with contents which are mixed, infused or dissolved in situ, i.e. without having been previously removed from the package
- B65D85/8043—Packages adapted to allow liquid to pass through the contents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
- B65D1/32—Containers adapted to be temporarily deformed by external pressure to expel contents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2577/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks, bags
- B65D2577/10—Container closures formed after filling
- B65D2577/20—Container closures formed after filling by applying separate lids or covers
- B65D2577/2066—Means on, or attached to, container flange facilitating opening, e.g. non-bonding region, cut-out
Definitions
- a container main body containing contents and a lid for closing the opening of the container main body are sealed by an annular seal portion formed along the flange surface of the opening, and the bottom surface of the container main body
- the present invention relates to a container in which a part of an annular seal portion is separated by an increase in internal pressure in the container main body due to deformation of the container main body based on external force received from.
- Patent Document 1 shown below as prior art document information related to this type of container.
- the container described in Patent Document 1 when the container is set at the bottom of the installation space above the dilution bottle in a posture with the lid body down, and the bottom surface of the container is pushed from above, A part of the annular seal portion is separated by the increase in internal pressure, the lid body is peeled off from the flange surface, and the contents are discharged into the dilution bottle.
- a beverage having an appropriate concentration can be obtained by pouring water or the like into the dilution bottle.
- the cover body is sealed by the comparatively wide area over the whole width direction of a flange surface, the edge part of the radial direction inner side of a part of flange surface is radial inside. A sharp projecting portion that protrudes toward the peeling guide portion is provided.
- the object of the present invention is to more reliably determine the part where separation is started, and as a result, the contents are discharged in the direction predicted by the user.
- An object of the present invention is to provide a container that can ultimately reduce the amount of contents remaining in the container.
- the characteristic configuration of the container according to the present invention is: A container body that contains contents and a lid that closes the opening of the container body are sealed by an annular seal formed along the flange surface of the opening, A separation seal part that is separated by an increase in internal pressure in the container main body due to deformation of the container main body based on external force is provided at a predetermined position of the annular seal part, and the separation seal part has a width of the flange surface. It occupies a part and is provided with a reverse annular seal portion projecting inward in the radial direction of the opening.
- the reverse portion occupies a part of the width of the flange surface and protrudes radially inward of the opening.
- the facing annular seal portion is separated prior to other portions of the annular seal portion. Therefore, the user can know in advance with high accuracy which part of the opening the content is discharged, and as a result, the amount of the content remaining in the container can be sufficiently reduced.
- variety can be performed by isolation
- Another feature of the present invention is that an auxiliary separation seal portion is provided for connecting the radially outer ends of the reverse annular seal portion.
- the reverse seal portion in the vicinity of the annular seal portion is inadvertently separated not by the internal pressure in the container body but by the stress applied to the container from the outside during distribution such as transportation and storage.
- the disadvantageous phenomenon that occurs is effectively suppressed by the installation of the auxiliary separation seal portion that connects the radially outer ends of the reverse annular seal portion.
- the auxiliary separation seal portion is separated relatively easily.
- One of the factors is assumed to be related to a phenomenon in which the lid body is continuously pulled away from the flange surface from the left and right ends of the auxiliary separation seal portion toward the center due to the action of the internal pressure.
- an outflow passage for discharging contents extends radially outward from the separation seal portion, and a plurality of annular seals are provided along a circumferential direction at a position sandwiching the outflow passage from both left and right sides. The point is that a non-separating seal portion extending from the portion is provided.
- the non-separating seal part is sealed with a sufficiently higher bonding force than the other annular seal part because the plurality of annular seal parts extend along the circumferential direction. Therefore, with this configuration, even when the internal pressure increases at an unexpectedly high speed, the separation at the reverse annular seal portion does not reach the non-separated seal portion, and the sealed state is maintained. As a result, the width of the flow path of the discharged contents is suppressed to be relatively small, so that the direction in which the discharged contents are headed can be easily predicted. Further, in the case of using the container with the container set inside another auxiliary container, it is advantageous because the area through which the contents flow is limited on the inner surface of the auxiliary container.
- Another feature of the present invention is that the outflow passage is opposed to each other between a part of a pair of left and right coupled annular seal portions connecting the separation seal portion and the non-separation seal portion and the outflow passage.
- a pair of auxiliary non-separating seal portions are provided.
- an outflow groove that is recessed toward the bottom of the container body is formed at a location corresponding to the outflow path of the flange surface of the container body.
- the annular seal portion is formed by pressing the lid against the flange surface by a seal bar having an annular projection having a shape corresponding to the shape of the annular seal portion at the tip. It is formed in a groove shape that bites in the thickness direction of the flange surface, and the reverse-direction annular seal portion has a seal force non-uniform groove having a smaller radius of curvature than the radially outer side on the radially inner side. .
- the portion located radially inward of the reverse annular seal portion starts to peel with a relatively small internal pressure compared to the other annular seal portions, so that it faces the radially inner side.
- the reverse annular seal portion protruding in this manner functions reliably as a peeling start point.
- the portion located on the radially outer side of the reverse annular seal portion has a general cross-sectional shape that is recessed toward the bottom surface at the same angle as the other annular seal portions. An inconvenient phenomenon that the lid is opened by stress is prevented.
- FIG. 1 shows a portion container 1 as an example of a container according to the present invention.
- the portion container 1 has a bottomed and resin-made container main body 2 containing a liquid content C, and the container main body. And a resin lid 9 that closes the opening of the container 2 in a sealed manner, and at least a part of the container body 2 is configured to be easily deformed by an external force.
- the container body 2 and the lid body 9 are sealed by an annular seal portion 6 formed in an annular shape along the flange surface 5A of the flange 5 extending radially outward from the opening of the container body 2.
- annular seal portion 6 formed in an annular shape along the flange surface 5A of the flange 5 extending radially outward from the opening of the container body 2.
- a separation seal portion 6S is provided at a predetermined location of the annular seal portion 6 that is more easily peeled off due to an increase in internal pressure of the container body 2 than other locations in the annular seal portion 6. Therefore, since the position of the lid 9 that peels from the flange surface 5A due to the increase in internal pressure in the container body 2 is always the separation seal portion 6S, the user can easily predict the direction in which the discharged contents C are directed.
- a portion of the flange 5 of the container body 2 has a recessed portion 5B recessed inward in the radial direction (the engaged recessed portion 5B is recessed in the outer shape of the flange 5 in plan view).
- a substantially rectangular outflow groove 5D (outflow groove 5D is a front surface) recessed toward the bottom surface 3 is formed in the front surface. (Appears as a depression in the outer shape of the flange 5 in a view or a side view).
- the outflow groove 5D constitutes an outflow path through which the content C flows out when the separation seal portion 6S is peeled off.
- the separation seal portion 6S is disposed at an angular position corresponding to the engaged recess 5B and the outflow groove 5D in plan view.
- FIG. 2 shows an example of a bottle 10 that can be used in combination with the above-mentioned portion container 1 and can easily mix the contents C discharged from the portion container 1 with other liquids L, etc.
- a set portion container 1 is shown.
- a bottle 10 in FIG. 2 has a bottomed bottle body 11 having a larger internal capacity than the portion container 1, an opening support 12 provided on the upper portion of the bottle body 11, and an inner surface of the opening support 12. And a pressing member 20 supported so as to be movable up and down.
- the opening support 12 includes a cylindrical portion 12A having an interior communicating with the interior of the bottle body 11, and a disk-shaped flange portion 12B extending radially outward from an upper and lower intermediate position of the cylindrical portion 12A. Yes.
- the unsealing support 12 is screwed into a female screw portion 11S formed on the inner surface of the opening of the bottle body 11 via a male screw 12S formed on the outer periphery of the cylindrical portion 12A below the flange portion 12B. Yes.
- a container support portion 13 for supporting the portion container 1 in a posture in which the lid body 9 faces downward is provided.
- the container support portion 13 includes an inclined surface 13A that gradually decreases toward the opening portion 14 that extends vertically so as to allow the upper internal space of the cylindrical portion 12A and the internal space of the bottle body 11 to communicate with each other.
- the pressure member 20 includes a piston body 21 slidably provided on the inner surface of the cylindrical portion 12A of the unsealing support body 12, a rod-like support shaft 22 extending upward from the upper surface of the piston body 21, and And a generally disc-shaped operation piece 23 attached to the upper end of the support shaft 22.
- the side wall 4 of the container body 2 is formed by a cylindrical body that is gradually reduced in diameter toward the bottom surface 3, and extends from the back surface of the flange 5 toward the bottom surface 3.
- tip parts are provided.
- the intermediate part 4B is more easily deformed by external force than the base end part 4A and the front end part 4C by forming the wall thickness thinner than the base end part 4A and the front end part 4C.
- the intermediate portion 4B is deformed more than the other two locations 4A and 4C by other methods such as forming ribs only at the base end portion 4A and the tip end portion 4C, or forming folds only at the intermediate portion 4B. It may be easy to do.
- the vicinity of the boundary between the base end portion 4A and the intermediate portion 4B and the vicinity of the boundary between the intermediate portion 4B and the distal end portion 4C extend in the radial direction.
- a fine step is provided.
- the intermediate portion 4B has a smaller diameter than the base end portion 4A
- the distal end portion 4C has a smaller diameter than the intermediate portion 4B.
- a part of the intermediate portion 4B is located radially inward of the base end portion 4A.
- the deformation is performed such that the tip part 4C enters the radial inner side of the intermediate part 4B.
- an end of the intermediate portion 4B in the posture of the container body 2 with the lid body 9 downward is provided at a part of the side wall portion 4 in the circumferential direction. From the vicinity of the portion (the lower end of the intermediate portion 4B in FIG. 5), the width gradually decreases toward the left and right in the circumferential direction (left in FIG. 5) gradually toward the bottom surface 3 side. An inclined recess 16 having an upper end 16P is provided near the boundary.
- the radially inner portion of the engaged recess 5 ⁇ / b> B in the base end 4 ⁇ / b> A is generally linear along the axis X from the back surface of the flange surface 5 ⁇ / b> A toward the bottom surface 3.
- An extended proximal end recess 15 is provided.
- the base end recess 15 is recessed in an arc shape protruding radially inward in plan view, and the inclined recess 16 is directed from the end of the base end recess 15 (the upper end of the base end recess 15 in FIG. 5) toward the bottom surface 3. It extends continuously.
- the second (b) of FIG. 5 shows a situation in which the buckling deformation of the side wall portion 4 is started at a location corresponding to the vicinity of the upper end 16P of the inclined concave portion 16, and when a vertical stress is further applied.
- the third state (c) of FIG. 5 is obtained in which a part of the intermediate part 4B is bent radially inward and enters the radial inner side of the base end part 4A.
- the lid 9 is peeled off from the flange 5A only in the separation seal portion 6S, and the opening is performed.
- the contents C begin to be discharged from between the outflow groove 5D and the lid body 9.
- a cylindrical outflow guide space FS extending along the radial direction is formed between the outflow groove 5D and the peeled back surface of the lid 9, as shown in FIGS.
- the object C is discharged in a stable form guided by the cylindrical outflow guide space.
- the intermediate portion 4B of the side wall portion 4 has a plurality of thin lines inclined in the same direction with respect to the axis X for the purpose of increasing the strength of the thin portion so as not to be deformed by an impact during transportation.
- the concave portions 8 are generally formed in a rib shape at regular intervals.
- the annular seal portion 6 that seals the container body 2 and the lid body 9 has the entire width of the flange surface 5 ⁇ / b> A welded in a planar shape over the entire circumference. It is not a form but a form welded in a line occupying a part of the width of the flange surface 5A.
- the annular seal portion 6 is a triangular seal portion provided in a triangular shape including the first island-shaped portion 7 ⁇ / b> A having a triangular shape at a position radially inward of the engaged recess 5 ⁇ / b> B.
- the longest general seal portion 6G that is formed in an annular or linear shape protruding radially outward at the portion of the flange surface 5A excluding the engaged recess 5B, and the engaged recess 5B from both ends of the general seal portion 6G It has a pair of left and right non-separating seal portions 6D provided so as to include the second island-like portion 7B, and a pair of left and right connecting annular seal portions 6C connecting the triangular seal portion 6T and the non-separating seal portion 6D.
- the island-shaped portion refers to a portion of the lid 9 that is not intentionally partially welded to the flange surface 5A and is left in an island shape within the surrounding welded portion. Point to.
- the annular seal portion 6 has a pair of left and right auxiliary non-separation seal portions 6E extending so as to face each other across the outflow groove 5D from the vicinity of the boundary between the non-separation seal portion 6D and the connection annular seal portion 6C. .
- Only one triangular seal portion 6T and two non-separable seal portions 6D are provided with an annular shape including the first island-like portion 7A and the second island-like portion 7B, so that the annular seal portion 6 is formed.
- a secondary annular portion is included in a part of the overall primary annular portion to be formed.
- the primary annular portion refers to a single large seal portion extending so as to surround the entire opening of the container body 2
- the secondary annular portion refers to the first island-shaped portion 7A and the second island-shaped portion 7B. It refers to a small seal that extends so as to surround it.
- the triangular seal portion 6T mainly constitutes a separation seal portion 6S that is more easily peeled off due to an increase in the internal pressure of the container body 2 than other portions in the annular seal portion 6.
- the triangular seal portion 6T is provided along a region corresponding to the radially inner side of the engaged recessed portion 5B on the flange surface 5A, and is a bilaterally symmetrical two projecting toward the radially inner side of the annular seal portion 6 as a whole. It has an equilateral triangular shape.
- the triangular seal portion 6T two sides located on the radially inner side of the isosceles triangle are curved so as to protrude toward the radially inner side of the opening in a plan view, contrary to the general seal portion 6G.
- the reverse annular seal portion 6A is provided.
- one side corresponding to the base of the outer side in the radial direction of the isosceles triangle is an auxiliary separating seal portion 6B extending linearly so as to connect both ends of the reverse annular seal portion 6A.
- the tip P1 (see FIG. 6 and FIG. 7) is the place where the internal pressure in the container body 2 is most concentrated in the annular seal portion 6, and the reverse-oriented annular seal portion 6A starts to peel off the lid body 9 due to the internal pressure. It acts as a peeling start part.
- FIG. 7 shows that the separation of the lid 9 at the separation seal portion 6S is completed by the internal pressure F of the container body 2 from the initial stage (a) where the separation of the lid 9 or the separation of the annular seal portion 6 has not yet started.
- FIG. 7 shows that the separation of the lid 9 at the separation seal portion 6S is completed by the internal pressure F of the container body 2 from the initial stage (a) where the separation of the lid 9 or the separation of the annular seal portion 6 has not yet started.
- (d) indicating the state, four figures are arranged according to the progress of separation (separation).
- the second (b) of FIG. 7 shows a state in which the lid 9 has been peeled off at the tip P1 of the reverse annular seal portion 6A, and the third (c) shows the entire reverse annular seal portion 6A. Although the cover 9 is being peeled over the distance, the straight auxiliary separation seal portion 6B still shows no peeling.
- the auxiliary separation seal portion 6B becomes a place where the internal pressure F in the container body 2 is most concentrated. The peeling of the lid body 9 at the part 6B begins to proceed.
- the lid 9 is peeled over the entire length of the linear auxiliary separation seal portion 6B, in other words, generally the separation seal portion.
- the separation of the annular seal portion 6 is completed at the stage where peeling and unsealing are performed only in the region of the triangular seal portion 6T constituting 6S, but it is necessary for discharging the entire amount of the contents C at a moderate speed. Only an outflow channel is secured.
- the annular seal portion 6 is configured such that the lid 9 is attached to the container body 2 by a high-temperature seal bar 30 having an annular protrusion 31 having a shape corresponding to the shape of the annular seal portion 6 at the lower end. Sealing is performed by pressing the flange surface 5A against a predetermined time (for example, 1 to several seconds).
- the lowermost layer in contact with the flange surface 5A is temporarily softened by the heat and pressure of the seal bar 30 and thermally fused to the flange surface 5A.
- a heat seal layer (not shown) including a polyolefin-based resin having the function of acting.
- the lid body 9 is welded to the flange surface 5A by the heat seal layer at a position corresponding to the annular protrusion 31 provided at the lower end of the seal bar 30, and at the same time, a groove-like shape corresponding to the annular protrusion 31 is formed. A recess is formed in the flange surface 5A.
- the cross-sectional shape of the annular protrusion 31 is a large element that controls the joining force of the annular seal portion 6, but as shown in FIG. 9, in order to form most of the annular seal portion 6 including the general seal portion 6G.
- the radially inner portion and the radially outer portion have the same shape, that is, a symmetrical cross-sectional shape.
- the radially outer portion (Q2 in FIG. 9) is provided to form another auxiliary separation seal portion 6B.
- a radius of curvature equivalent to that of the annular protrusion 31B is provided, but a radius of curvature smaller than that of the radially outer portion (Q2) is adopted for the radially inner portion (Q1 in FIG. 9), so It has a simple cross-sectional shape.
- the cross-section of the reverse-oriented annular seal portion 6A sealed by the annular protrusion 31A is such that the radially inner portion is oriented toward the bottom surface 3 at a steeper angle than the radially outer portion. It becomes a special shape that is recessed. That is, the groove of the reverse annular seal portion 6A formed by the seal bar 30 is a non-uniform seal force groove in which the resistance to the peeling force from the radially inner side is clearly lower than the resistance to the peeling force from the radially outer side. It becomes.
- the portion located on the radially inner side of the reverse annular seal portion 6A starts to be peeled off with a relatively small internal pressure F as compared with the other portions of the annular seal portion 6. Will function reliably as a peeling start point.
- the portion (P2) located on the radially outer side of the reverse annular seal portion 6A has a general cross-sectional shape that is recessed toward the bottom surface 3 at the same angle as the auxiliary separation seal portion 6B. An inconvenient phenomenon that the lid body 9 is unsealed due to external stress at times is prevented.
- the pair of left and right non-separating seal portions 6D are arranged on the outer side in the circumferential direction of the outflow groove 5D, and the two annular seal portions are streamlined in plan view.
- the form extended along the circumferential direction so that the shape part 7B may be enclosed is shown.
- the non-separating seal portion 6D since the two annular seal portions surrounding the second island-shaped portion 7B are provided, the number of the edge portions of the groove is doubled, so that one annular seal portion is provided.
- the lid body 9 is sealed with a joining force that greatly exceeds the general seal portion 6G.
- portion of the annular protrusion 31A for sealing the non-separation seal portion 6D has a symmetric general cross-sectional shape having a radius of curvature equivalent to that of the auxiliary separation seal portion 6B and the like.
- the triangular seal portion 6T and the non-separation seal portion 6D are connected by a pair of left and right connecting annular seal portions 6C, and from the vicinity of the boundary between the non-separation seal portion 6D and the connection annular seal portion 6C.
- the pair of left and right auxiliary non-separating seal portions 6E are extended to just before the outflow groove 5D so as to face each other with the outflow groove 5D interposed therebetween.
- the connecting annular seal portion 6C and the auxiliary non-separating seal portion 6E also have a symmetric general cross-sectional shape having a radius of curvature equivalent to that of the auxiliary separating seal portion 6B.
- the pair of left and right auxiliary non-separating seal portions 6E are also not separated similarly to the non-separating seal portion 6D.
- the function of limiting the width of the outflow passage formed by peeling off the lid 9 to a predetermined value (which matches the width of the triangular seal portion 6T, that is, the length of the auxiliary separation seal portion 6B) is achieved.
- the first island-like portion 7A is left as a non-seal portion inside the triangular seal portion 6T, but without leaving the first island-like portion 7A inside the triangular seal portion 6T.
- the interior of the triangular seal portion 6T may be sealed as a whole.
- the general seal portions 6G other than the separation seal portion 6S are arranged in a radial direction with a plurality of linear seal portions 6H sandwiching a long non-seal portion 19 as illustrated in FIG. It is possible to further increase the seal strength of the general seal portion 6G by using a multiple structure existing inside and outside.
- the general seal portion 6G is wide in the radial direction, and a large number of circular or elliptical island-shaped non-seal portions 7C are arranged along the circumferential direction. By adopting such a structure, it is possible to further increase the seal strength of the general seal portion 6G.
- the contents stored in the portion container are not limited to liquid, and a mixture of powder and liquid, a mixture of powder and gas, and the like can also be used.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Food Science & Technology (AREA)
- Ceramic Engineering (AREA)
- Closures For Containers (AREA)
- Apparatus For Making Beverages (AREA)
- Package Specialized In Special Use (AREA)
- Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)
Abstract
Description
また、特許文献1では、フランジ面の幅方向の全体に亘る比較的広い面積で蓋体が封止されているが、フランジ面の一部の径方向内側の縁部には、径方向内側に向かって突出した先鋭突出部が剥離誘導部として設けられている。
内容物を収納した容器本体と同容器本体の開口部を閉じる蓋体とが、前記開口部のフランジ面に沿って形成された環状シール部によって封止されている容器であって、
前記環状シール部の所定箇所に、外力に基づく前記容器本体の変形による前記容器本体内の内圧上昇によって分離される分離シール部が設けられており、前記分離シール部が、前記フランジ面の幅の一部を占め、且つ、前記開口部の径方向内側に向かって突出した逆向き環状シール部を備えている点にある。
また、上記の特徴構成を備えた容器では、逆向き環状シール部の分離によって一定幅の開口ができることで、安定して内容物を排出できる。
(容器の概略構成)
図1は本発明に係る容器の一例としてのポーション容器1を示しており、このポーション容器1は、液体状などの内容物Cを収納した有底で樹脂製の容器本体2と、同容器本体2の開口部を密閉状に閉じる樹脂製の蓋体9とを備え、容器本体2の少なくとも一部は外力によって容易に変形されるように構成されている。
図2は、上記のポーション容器1と組み合わせて用いることで、ポーション容器1から排出された内容物Cを他の液体Lなどと容易に混合することの可能なボトル10の一例と、ボトル10にセットされたポーション容器1とを示している。
容器支持部13は、円筒部12Aの上方内部空間とボトル本体11の内部空間とを連通させるべく上下に延びた開口部14に向かって次第に低くなる傾斜面13Aを備えている。
図4に示すように、容器本体2の側壁部4は、底面3に向かって次第に縮径化される筒状体によって構成されており、フランジ5の裏面から底面3に向かって延出した基端部4Aと、底面3からフランジ5に向かって延出された先端部4Cと、これら基端部4Aと先端部4Cとを接続する中間部4Bとを備える。
図1及び図6に示すように、容器本体2と蓋体9とを封止している環状シール部6は、全周に亘って、フランジ面5Aの幅の全体が面状に溶着された形態ではなく、フランジ面5Aの幅の一部を占めるライン状に溶着された形態を呈している。
尚、本明細書において島状部とは、蓋体9がフランジ面5Aに対して意図的に部分的に溶着されずに、周囲の溶着された部位の内部に島状に残された部位を指す。
三角シール部6Tは、フランジ面5Aにおける被係合凹部5Bの径方向内側に相当する領域に沿って設けられており、全体として環状シール部6の径方向内側に向かって突出した左右対称な二等辺三角形状を呈している。
他方、二等辺三角形の径方向外側の底辺に相当する1辺は、逆向き環状シール部6Aの両端を連結するように直線状に延びた補助分離シール部6Bとされている。
〈1〉流通時などの外力の影響を考慮する必要性が低い場合などには、図10に例示するように、上記の実施形態では三角シール部6Tを構成する二等辺三角形の底辺に相当していた補助分離シール部6Bが省略された分離シール部6Sの形態で実施することも可能である。
2 :容器本体
3 :底面
4 :側壁部
5 :フランジ
5A :フランジ面
5D :流出溝
6 :環状シール部
6A :逆向き環状シール部
6B :補助分離シール部
6C :連結環状シール部
6D :非分離シール部
6E :補助非分離シール部
6G :一般シール部
6S :分離シール部
6T :三角シール部
7A :第1島状部
7B :第2島状部
9 :蓋体
10 :希釈用ボトル
30 :シールバー
31 :環状突起
31A :環状突起
31B :環状突起
C :内容物
P1 :先端
X :軸芯
Claims (6)
- 内容物を収納した容器本体と同容器本体の開口部を閉じる蓋体とが、前記開口部のフランジ面に沿って形成された環状シール部によって封止されている容器であって、
前記環状シール部の所定箇所に、外力に基づく前記容器本体の変形による前記容器本体内の内圧上昇によって分離される分離シール部が設けられており、前記分離シール部が、前記フランジ面の幅の一部を占め、且つ、前記開口部の径方向内側に向かって突出した逆向き環状シール部を備えている容器。 - 前記逆向き環状シール部の径方向外側の両端どうしを連結する補助分離シール部が設けられている請求項1に記載の容器。
- 内容物を排出させる流出路が前記分離シール部から径方向外側に延びており、前記流出路を左右両側から挟む位置に、周方向に沿って複数の環状シール部が延びた非分離シール部が設けられている請求項1または2に記載の容器。
- 前記分離シール部と前記非分離シール部とを接続する左右一対の連結環状シール部の一部と前記流出路との間に、前記流出路を挟んで互いに対向する一対の補助非分離シール部が設けられている請求項3に記載の容器。
- 前記容器本体の前記フランジ面の前記流出路に相当する箇所に前記容器本体の底部に向かって窪んだ流出溝が形成されている請求項3または4に記載の容器。
- 前記環状シール部は、前記環状シール部の形状に対応した形状の環状突起を先端に備えたシールバーによって、前記蓋体を前記フランジ面に押付けることによって、前記フランジ面の厚さ方向に食い込んだ溝状に形成されており、前記逆向き環状シール部は径方向内側が径方向外側よりも曲率半径の小さなシール力不均等溝とされている請求項1から5のいずれか一項に記載の容器。
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US20160368686A1 (en) | 2016-12-22 |
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