EP1970322A1 - Extraktionswerkzeug - Google Patents

Extraktionswerkzeug Download PDF

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Publication number
EP1970322A1
EP1970322A1 EP06833788A EP06833788A EP1970322A1 EP 1970322 A1 EP1970322 A1 EP 1970322A1 EP 06833788 A EP06833788 A EP 06833788A EP 06833788 A EP06833788 A EP 06833788A EP 1970322 A1 EP1970322 A1 EP 1970322A1
Authority
EP
European Patent Office
Prior art keywords
pouring device
tube part
container
inner tube
projection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP06833788A
Other languages
English (en)
French (fr)
Other versions
EP1970322A4 (de
Inventor
Mikio Ishimoto
Yasuhiro Iuchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shikoku Kakoki Co Ltd
Original Assignee
Shikoku Kakoki Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shikoku Kakoki Co Ltd filed Critical Shikoku Kakoki Co Ltd
Publication of EP1970322A1 publication Critical patent/EP1970322A1/de
Publication of EP1970322A4 publication Critical patent/EP1970322A4/de
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67B—APPLYING CLOSURE MEMBERS TO BOTTLES JARS, OR SIMILAR CONTAINERS; OPENING CLOSED CONTAINERS
    • B67B7/00—Hand- or power-operated devices for opening closed containers
    • B67B7/24—Hole-piercing devices
    • B67B7/26—Hole-piercing devices combined with spouts
    • 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
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
    • 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
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • B65D5/72—Contents-dispensing means
    • B65D5/74—Spouts
    • 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
    • B65D51/00—Closures not otherwise provided for
    • B65D51/18—Arrangements of closures with protective outer cap-like covers or of two or more co-operating closures
    • B65D51/20—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing
    • B65D51/22—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing having means for piercing, cutting, or tearing the inner closure

Definitions

  • the present invention relates to a pouring device for drinking directly or pouring the content of a container by opening a tightly-sealed container containing liquid beverages such as milk, liquid seasonings such as seasoning soy sauce, or fluid foods.
  • a tightly-sealed container having resealability that can store heeltap, and being suitable to fill products other than beverages such as seasoning soy sauce, and jiao-zi sauce
  • the following tightly-sealed container has been proposed: a tightly-sealed container having a pouring pipe and pipe insertion hole, provided with a holding member to hold the pipe in a state inserted to the pipe insertion hole, wherein the holding member is formed in a tubular form, to which tip end is provided with a flange, the flange being fixed to the outer surface of the peripheral part of the pipe holding hole, and wherein a bulkhead is provided transversely in the holding member, a pipe insertion hole is provided on the bulkhead, and a cap is covering detachably to the rear end part of the holding member (for example, see Patent-Document 1).
  • a straw comprising a tubular pouring device body containing an inner tube part formed on the tip end side, to be inserted in the container when the container is opened, and an outer tube part formed on the rear end side and located outside of the container, wherein a groove forming surface is formed on the outer periphery of the rear end side of the inner tube part, extending from the inner surface side of the container to the top wall of the container, bisecting at right angles with the axis of the pouring device body; that an abutting surface is formed on the outer periphery of the tip end side of the outer tube part, extending from the outer surface side of the container to the top wall of the container, and bisecting at right angles with the axis of the pouring device body; that a supporting grove is formed by the groove forming surface and abutting surface; and that a hole is formed on the inner tube part; or a straw having resealability by making the inner tube part of the straw located in the container a double
  • the conventionally known pipe described in the above-mentioned Patent-Document 1 is held firmly to the container by the holding member.
  • the holding member is fixed on the outer surface of the periphery of the pipe insertion hole by the flange provided on its end, as well as to provide a bulkhead and a pipe holding hole transversely in the holding member, which makes the manufacturing process of the tightly-sealed container more complex.
  • the supporting groove is provided on the surface bisecting with right angles with the axis of the pouring device body, when inserting the straw in the container upon opening the container, the straw insertion hole of the container is pushed and expanded at least to the size of the straw (when the supporting groove is formed by a guard, to the diameter of guard), which results that the positioning cannot be made accurately when positioning the straw with the supporting groove, the pouring device may be not stable, or the content may leak from between the supporting groove and straw insertion hole when pouring the content.
  • the object of the present invention is to provide a reopenable and hygienic pouring device with a cap, that can be easily mounted to the opening part (straw insertion hole) of the container, which causes no liquid leakage when pouring the content liquid from the container, and enabling to pour almost to the last drop.
  • a pouring device comprising a pouring device body and a cap which are molded integrally, wherein the pouring device body comprises an inner tube part which is inserted in the container as the container is opened, and an outer tube part located outside of the container, which are fixed by being communicated each other, and wherein the cap is connected via a hinge to the vicinity of the pouring opening part of the outer tube body, and can close and re-open the pouring opening; and wherein a hole for pouring the liquid of the container to the last drop is formed on the periphery of the upper side (outer tube part side) of the inner tube, to provide a reopenable and hygienic pouring device with a cap, it is possible to mount the pouring device easily and tightly to the opening part (straw insertion hole) of the container, and to pour the liquid content almost to the last drop, without liquid leakage, pulsating, flashing, or dripping, when pouring the
  • an abutting surface of the lower end of the outer tube (inner tube side) with the container is formed as an inclined surface which is inclined at a certain angle downward and backward against the surface bisecting with a right angle with the axis of the pouring device body, particularly when it is a container having a flat top wall, the outer tube part of the pouring device is mounted being inclined against the container top wall. Therefore, when pouring the content, particularly when pouring into a glass etc. , it can be performed easily by inclining slightly the container.
  • projections on the outer periphery surface of the inner tube on the upper side of the hole for example continuous flanged projections on the entire periphery of the inner tube part, discontinuous flanged projections on the periphery of the inner tube part, or short projections having a width in the circumferential direction which is narrower than that of the hole, they found out that projections abut from the inner surface side of the container to the wall surface of the container when opening the cap, and that the pouring device body is kept stable.
  • the present invention relates to (“1") a pouring device comprising a pouring device body and a cap which are molded integrally, wherein the pouring device body comprises an inner tube part, which is at lower side, with a small diameter that can be inserted in a container as the container is opened, and an outside tube part, which is at upper side, with a large diameter, which is located outside of the container and has a pour opening; wherein the cap is connected via a hinge to the vicinity of the pour opening of the outer tube part, and can close and reopen the pour opening; wherein a hole is formed on the upper side of the periphery (outer tube part side) of the inner tube part so that liquid of the container can be poured to the last drop.
  • the present invention relates to ("2") the pouring device according to "1”, wherein the hole is formed on the upper side of the periphery (outer tube part side) of the inner tube part, corresponding to the opposite position in the circumferential direction of the hinge connecting part of the outer tube part; (“3") the pouring device according to “1” or “2”, wherein the inner tube part is tapered so that the outer diameter becomes smaller toward the tip end; (“4") the pouring device according to "3”, wherein the taper angle is 0.5 - 5 degree; (“5") the pouring device according to any one of “1” to "4" wherein the inner tube part has a maximum diameter of 8 - 11 mm; (“6”) the pouring device according to any one of "1” to "5", wherein the tip end of the inner tube part has a tip end opening inclined downward and forward against its axis; (“7”) the pouring device according to “6”, wherein the tip end of the inner tube part has a tip end opening inclined downward and forward at 30 - 40 degree
  • the present invention relates to ("22") the pouring device according to any one of “1” to "21", wherein the hinge connecting the outer tube part and the cap comprises a first hinge and a second hinge, the first hinge connecting the backward of the upper end part of the outer tube part and the backward of the lower end part of the cap, and being formed as a matched pair of hinges having a thin hinge at the central part in the front-back direction, the second hinge being provided between the pair of the first hinges, as a pair of opposing V-shapes; (“23”) the pouring device according to any one of "1” to "22” being formed integrally by injection molding.
  • the hinge connecting the outer tube part and the cap comprises a first hinge and a second hinge, the first hinge connecting the backward of the upper end part of the outer tube part and the backward of the lower end part of the cap, and being formed as a matched pair of hinges having a thin hinge at the central part in the front-back direction, the second hinge being provided between the pair of the first hinge
  • the present invention relates to ("24") a liquid container having a circular or oval opening part to which the pouring device according to any one of "1” to “23” is attached; (“25”) the liquid container according to “24”, wherein the container is formed as a vertically long rectangular solid by making a tubular form with one piece of paper-based laminated container material comprising a plastic layer on both sides, and closing by folding the both end parts; (“26”) the liquid container according to "24” or “25”, wherein the abutting surface of the lower end of the outer tube part (inner tube part side) with a large diameter located outside of the container with the container, is formed as an inclined surface which is inclined at a certain angle downward and backward against the surface bisecting at right angles with the axis of the pouring device body; (“27”) the liquid container according to any one of "24” to “26”, wherein the diameter of circular (perfect circle) opening part provided on the top wall of the liquid container is smaller by 1 - 3 mm than the maximum size (di
  • the front and back of the pouring device relate to left and right directions in Figs. 1 , 8 and 10 , and the up and down relate to upward and downward directions in Figs. 1 and 6 .
  • the front and back of the cap relate to left and right directions in Figs. 4 and 12 , when the cap is closing the pouring device (dashed line in Figs. 4 and 12 ).
  • the up and down of the cap relate to upward and downward directions in Figs. 4 and 12 , when the cap is closing the pouring device (dashed line in Figs. 4 and 12 ).
  • a pouring device of the present invention it is not particularly limited as long as it is a pouring device comprising a pouring device body and a cap which are molded integrally, wherein the pouring device body comprises an inner tube part (bottom side) with a small diameter that can be inserted in a container as the container is opened, and an outside tube part (upper side) with a large diameter, which is located outside of the container, and has a pour opening, wherein the inner tube part and outer tube part are fixed by being communicated each other; wherein the cap is connected via a hinge to the vicinity of the pour opening part of the outer tube part, enabling to close and reopen the pour opening; and wherein a hole is formed on the periphery of the upper side (outer tube part side) of the inner tube part so that liquid of the container can be poured to the last drop.
  • a pouring device wherein the hole is formed on the periphery of the upper side of the inner tube part (outer tube part side) corresponding to the opposite position in the circumferential direction of the hinge connecting part of the outer tube part is preferred as the liquid in the container can be surely poured to the last drop.
  • the inner tube part forming the lower side part of the above-mentioned pouring device body can be a hollow tube having a column shape.
  • the taper angle of the inner tube part is preferred to be about 0.5 - 10 degree against its axis, more preferably about 0.5 - 5 degree, and most preferably about 0.5 - 3 degree.
  • the maximum outer diameter of the inner tube part is not particularly limited. However, it is preferred to be 8 - 11 mm.
  • the outer diameter is larger than the diameter of the circular (perfect circle) opening part provided on the top wall of the liquid container by about 1 - 3 mm, particularly about 2 mm, so that the upper end of the inner tube part is tightly pinched with the container opening part when the pouring device is mounted, there is no space between the upper end of the inner tube part and the container opening part, and liquid leakage from the container opening part is prevented.
  • the tip end of the inner tube part has a tip end opening which is inclined downward in the forward direction against its axis, preferably inclined at 30 - 40 degree in a planar view.
  • the opening part of the container (so-called straw hole) to which the pouring device is to be mounted can be opened easily.
  • the tip end of the inner tube part is inclined downward and forward direction against its axis, when a hole is formed on the front periphery surface on the upper side of the inner tube part corresponding to the opposite position in the circumferential direction with the hinge connecting part of the outer tube part, most of the cut fragments of the opening part formed at the time of opening of the container are formed on the opposite side of the hole, and the cut fragments will not block the hole when pouring the content, which is preferred.
  • the outer tube part forming the upper side part of the pouring device body has a pour opening on the upper end. It is preferred that the diameter of the pour opening is 10 - 12 mm.
  • the pour opening formed on the upper end is preferred to be formed as a short tubular pouring part. It is preferred to provide outward convex parts on the entire periphery of the outer periphery surface of the short tubular pouring part, as it is possible to maintain the closed state of the cap to be liquid-tight, by engaging the inward convex part of the cap, described in the following, with the outward convex part.
  • the outer tube part it is preferred to form a flanged supporting flange on the lower end of the outer periphery part of the outer tube part, by enlarging the surface of the abutting part of the lower end of the outer tube part (inner tube part side) with the container, to keep the pouring part mounted to the container to be more stable. Further, it is preferred to form a flanged connecting flange for connecting hinges directly below the short tubular pouring part on the upper end of the outer tube part, in order to fix the closed cap more stable. Further, plural ribs can be provided perpendicularly at certain intervals between the connecting flange and supporting flange.
  • the abutting surface of the lower end of the outer tube part with the container is an inclined surface which is inclined downward and backward against the surface bisecting at right angles with the axis of the pouring device body by a certain angle of ⁇ degree, preferably 10 - 45 degree, more preferably 20 - 30 degree, particularly when it is a case with a flat top wall, as the outer tube part of the pouring device is mountedbeing inclined against the container top wall, pouring of the content, particularly when pouring to a glass, etc., can be performed easily by inclining slightly the container.
  • the pouring device body is stable, by abutting from the inner surface side of the container to the wall surface of the container when opening the cap. Therefore, when the hole is formed on the upper side of the periphery of the inner tube part corresponding to the opposite position in the circumferential direction of the hinge connecting part of the outer tube part, it becomes a more preferred embodiment wherein at least a projection is provided on the outer periphery surface of the inner tube part upper than the hole.
  • the height of the projections from the outer periphery surface of the inner tube part 0.3 - 1.0 mm can be suitably exemplified.
  • the abutting surface of the lower end of the outer tube part is formed as an inclined surface which is inclined at a certain angle of ⁇ degree, the tip end of the inner tube part breaks through the opening part, and when the inner tube part is introduced perpendicularly in the container, the front and back direction of the openingpart is opened by (almost maximal outer diameter of the inner tube part + height of the projection) .
  • the pouring device when it abuts the lowest part (back part) of the abutting surface of the lower end of the outer tube part, the pouring device begins to incline its axis so that the abutting surface follows the top wall of the container, guides a part of the periphery of the opening part into the container.
  • the front and back direction of the opening part of the container is opened by (maximal outer diameter of the inner tube part/cos ⁇ ). For example, when the maximal outer diameter of the inner tube part is 10 mm, and the inclination angle ⁇ is 25 degree, the front and back direction of the opening part of the container is pushed and expanded by about 11 mm.
  • the projection is provided at a distance of 4 - 5 mm from the abutting surface of the lower end of the outer tube part, and/or so that the lowest level of the abutting surface is located at a same level in the up and down direction with the upper end of the projection.
  • a projection provided on the outer periphery surface of the upper side of the inner tube part corresponding to the opposite position in the circumferential direction of the hinge connecting part of the outer tube part, and upper than the hole examples specifically include continuous flanged projections on the entire periphery of the inner tube part, discontinuous flanged projections on the periphery of the inner tube part, short projections having a width in the circumferential direction which is narrower than that of the hole.
  • a projection of any shape is formed by being tapered so that the diameter of the side periphery surface or lower part of the projection decreases in the downward direction, so that the inner tube part with projection can be smoothly introduced into the opening part of the container.
  • the projections are formed as continuous flanged projections on the entire periphery of the inner tube part, it is preferred that the continuous flanged projections are formed being parallel with the abutting surface at the lower end of the outer tube part, or so that the distance to the abutting surface is enlarged to the forward direction.
  • the lower end part of the flanged projection located on the most upper level is located at an upper level of the upper end part of the flanged projection located on the lowest level, so that when inserting the inner tube part, the periphery surface on the side of the flanged projection which is located on the most upper level and the periphery surface on the side of the flanged projection which is located on the lowest level do not abut the periphery of the opening part at the same time, and that the opening surface of the periphery of the opening part which is pushed and expanded is minimized.
  • the upper end surface of the flanged projection opposing to the abutting surface of the outer tube part becomes a groove-forming surface forming a supporting groove by cooperating with the abutting surface.
  • the supporting groove being formed, the accuracy of positioning the pouring device to the container is enhanced, the oscillation of the pouring device decreases, and thus leakage of the content frombetween the supporting groove and the opening part of the container can be prevented.
  • the distance between the groove-forming surface and the abutting surface being provided to be almost parallel, that is the width of the supporting groove is preferred to be slightly longer than the thickness of the container packing material.
  • the peripheral surface of the flanged projection is preferred to be a reversed-truncated circular cone, so that the lower end stands from the inner tube part without bump, and becomes a tapered surface, so that the insertion becomes easy, and to be a guide surface.
  • the flanged projection which is located at the lowest level is located at a level lower than the upper end of the hole, when inserting the inner tube part (straw), from when the lower part of the flanged projection which is located at the lowest level abuts the periphery of the opening part, to when the upper end of the flanged projection is completely inserted, it is guided by the periphery surface of the flanged projection and moved transversely, a part corresponding to the height of the flanged projection is absorbed by the hole, only a part corresponding to the diameter of the inner tube part is pushed and expanded, thus the opening surface of the periphery of the opening part which is pushed and expanded can be minimized.
  • the accuracy of positioning the pouring device to the container by the flanged projection is enhanced, and thus leakage of the content from between the supporting groove and the opening part of the container can be prevented.
  • the content liquid can be poured to a glass, etc. without pulsating, flashing, or dripping, by inclining the container and pressing lightly the side surface of the container with fingers.
  • discontinuous flanged projections on the periphery surface of the inner tube part the followings can be exemplified: discontinuous flanged projections in which a part of the continuous flanged projection of the entire periphery of the inner tube part is deleted, except for the outer periphery surface on the upper side of the inner tube part corresponding to the opposite position in the circumferential direction of the hinge connecting part of the outer tube part (deletion subtype); or discontinuous flanged projections wherein projections are formed in screw-type at discontinuous sites, in other words, wherein one end of the projection is formed in a helical form in the lower part (screw-type subtype).
  • the pouring device when mounting the pouring device to the container, the pouring device can be inserted through just like screwing in.
  • the positioning accuracy to the container can be enhanced.
  • the wall surface of the container can be pinched between the abutting surface on the lower end of the outer tube part and the screw pieces when screwing the pouring device to the container, and the pouring device can be fixed securely to the container.
  • the positioning accuracy to the container can be further enhanced.
  • almost the same effect as when applying continuous flanged projections on the entire periphery of the inner tube part can be obtained.
  • the projection when the projection is formed as a short projection having a width in the circumferential direction which is narrower than the width in the circumferential direction of the hole, for example 3 - 5 mm, the opening surface of the container opening part becomes small when inserting the inner tube part perpendicularly into the container, and liquid leakage from the container opening part can be prevented when pouring.
  • the maximal diameter of the inner tube part is larger than the diameter of the circular (perfect circle) opening part by 1 - 3 mm, particularly about 2 mm, when the pouring device is mounted, the upper end of the inner tube part is tightly pinched to the container opening part, so that there is no space between the upper end of the inner tube part and the container opening part, thus preventing liquid leakage from the container opening part when pouring, as well as enabling to maintain the pouring device stable.
  • the content liquid can be poured to a glass, etc. without pulsating, flashing, or dripping, by inclining the container and pressing lightly the side surface of the container with fingers.
  • a cap that is attached openably/closably via a hinge to the vicinity of the pouring opening part of the outer tube part, more specifically to a flanged connecting flange for connecting hinges which is provided directly below the short tubular pouring part on the upper end of the outer tube part, and that can close/reopen the pour opening
  • a cap comprising a disk-shaped top panel, a short tubular peripheral wall being dropped from the periphery of the top panel, and a short tubular inner wall being dropped from the top panel in the inner side of the peripheral wall, can be suitably exemplified.
  • a cap to which inward convex parts are provided on the lower end of the inner periphery surface, almost on the entire periphery of the inner periphery surface; or a cap to which outward flanged tabs are provided for a certain length of the outer periphery surface, on the front lower end of the outer periphery surface of the periphery wall.
  • the inward convex part of the cap can maintain the closed state of the cap by being engaged with the outward convex part of the pouring part, as it is mentioned in the above.
  • the cap comprises a first hinge and a second hinge that connect the cap and the flanged connecting flange for connecting hinges of the outer tube part, wherein the first hinge connects the backward of the upper end of the outer tube part and the backward of the lower end of the cap, and is formed as a matched pair of hinges having a thin hinge at the central part in the front-back direction, and wherein the second hinge is provided as a pair of opposing v-shapes between the pair of fist hinges.
  • the cap opens and closes by using the above pair of first hinges as a supporting point. It is preferred that the second hinge is connected to the connecting flange of the outer tube part and to the cap at a lower level of the thin hinge.
  • the first hinge is bend and prolonged with the thin hinge located at the center of the connecting flange of the outer tube part which is being opened, and the cap.
  • the second hinge is bent and prolonged at the connecting part of the outer tube part and the cap.
  • the material of the pouring device of the present invention which is molded integrally by injection molding, compression molding, blow molding, injection blow molding, rotational molding, vacuum molding, pressure molding, vacuum-pressure molding, is not particularly limited.
  • plastics having polyolefin resins including polypropylene and polyethylene, or polystyrene resins as raw materials can be exemplified.
  • containers to which the pouring device of the present invention can be applied so-called brick containers which are molded continuously from a band-shaped packing material can be suitably exemplified.
  • gable top containers molded from tubular cartons (there are also flat top containers) can be used regardless of the container shape .
  • container material include material having a three-layer structure such as paper-based laminated container material comprising a plastic layer on both sides, optionally including aluminum foil.
  • barrier layer made of synthetic resins can be used.
  • the opening part to which the pouring device is attached are formed by removing the paper layer by leaving only the plastic layers of the container material, or by removing only the paper layer by leaving the aluminum foil or barrier layer made of synthetic resins, or to put a half-cut along the periphery of the opening part.
  • the shape of the opening part may be a deformed oval, or ellipse as well as circular (perfect circle) , depending on the structure of the inner tube part.
  • a pouring device wherein the abutting surface of the lower end of the outer tube part (inner tube side) with the container is formed as an inclined surface inclined at a certain angle against the surface bisecting at right angles with axis of the pouring device body, can be suitably used.
  • a liquid container of the present invention is not particularly limited as long as it is a container having a circular (perfect circle) or oval opening part to which a pouring device of the present invention mentioned above is attached, and in which liquid beverages such as milk and juice, liquid seasoning such as seasoning soy sauce, fluid foods are tightly sealed and packed.
  • a container formed in a rectangular solid form by making a tubular form from a sheet of paper-based laminated container material comprising a plastic layer on both sides, and by folding both end parts of the formed tubular form, can be suitably exemplified.
  • the abutting surface with the container at a lower end of the outer tube part is formed as an inclined surface inclined downward and backward with a certain angle against the surface bisecting at right angles with the axis of the pouring device body.
  • the diameter of the circular (perfect circle) opening part provided on the top wall of the container is 1-3 mm smaller than the maximum outer size (diameter) of the inner tube part with a smaller diameter, that can be inserted in the container with the opening part.
  • Figs. 1 to 14 embodiments of a pouring device to which continuous flanged projections are formed on the entire periphery of the inner tube part (herein after referred to as "type I pouring device") are shown.
  • Figs. 10-13 embodiments of a pouring device to which short projections having a width in the circumferential direction which is narrower than that of the hole of the inner tube part (hereinafter referred to as "type III pouring device”), are shown.
  • Fig. 14 shows a sealed container 7 to which a pouring device 1 of the present invention is to be attached.
  • Container 7 is formed in a rectangular solid form, by making a tubular form from a sheet of paper-based laminated container material comprising plastic layers on both sides, and by folding and closing both end parts of the formed tubular form, and comprises top wall 71, front wall (not shown in the Figure), back wall 72, left side wall 73, right side wall (not shown in the Figure), and bottom wall (not shown in the Figure) .
  • On the left end of top wall 71 and upper end of left side wall 73 are provided with upper triangle ear-portions 74, which are fixed by being piled up on the left side wall 73.
  • upper triangle ear-portions (not shown) are provided which are fixed on the right side wall.
  • a pair of bottom triangle ear-portions (not shown) is provided on both sides of bottom wall and bottom end of left and right side walls.
  • the bottom triangle ear-portions are fixed on the bottom wall.
  • Upper transverse seal part 75 is formed, extending from the tip end of one of upper triangle ear-portion 74 by cutting longitudinally on the top wall 71, extending to the tip end of the other upper triangle ear-portion. This was generated when closing the upper end of the tubular container material.
  • bottom transverse seal part (not shown) is formed, which cuts longitudinally on the bottom wall extending from one of the bottom triangle ear-portion, and extending to the tip end of the other bottom triangle ear-portion.
  • Longitudinal seal part 76 is extended from the middle part of the length of the upper transverse seal part 75 by cutting longitudinally on the back surface wall 72 to the middle part of the length of the bottom transverse seal part. This is generatedwhen forming the container material into a tubular form.
  • circular (perfect circle) or oval opening part (attaching part) 77 is formed in the region subdivided by the upper transverse seal part 75 and longitudinal seal part 76 on the top wall 71.
  • the opening part 77 is formed by removing the paper layer, by leaving only the plastic layer of the container material.
  • container materials commonly known packing materials for manufacturing container with straw are generally used.
  • the commonly known shape of the straw fixing hole (perfect circle) of a packing material for manufacturing a container with straw can be used directly, or by changing it slightly to an oval form, to make the opening part 77.
  • the pouring device 1 of the present invention is fixed and attached to the back surface wall 72, by being put in a thin plastic bag (not shown).
  • the pouring device 1 of the present invention is obtained by molding integrally a synthetic resin material such as polypropylene by injection molding.
  • the pouring device comprises a tubular pouring device body 2, wherein an inner tube part 4 which is inserted into the container when opening the container is formed on the lower side, and an outer tube part 3 located on the outside of the container is formed on the upper side; and a cap 6 that can close the upper end opening of the pouring device body.
  • the outer tube part 3 comprises a short tubular pouring part 33 forming an pouring opening on the upper end, a flanged connecting flange 35 for connecting hinges directly below the short tubular pouring part 33, and a tubular body with an inner diameter of 11 mm comprising an abutting surface 32 inclined downward and backward at 25 degree against the surface bisecting at right angles with its axis.
  • a flanged supporting flange 31 is formed on the bottom outer periphery part of the outer tube part 3.
  • the bottom surface of the supporting flange 31 is also formed as an abutting surface 32 which abuts the top wall 71 of the tightly-sealed container 7, when attaching the pouring device 1 to the tightly-sealed container 7.
  • Outward convex parts 34 are provided all around the outer periphery surface of the pouring part 33.
  • the cap 6 comprises a disk-shaped top panel 61, a short tubular peripheral wall 62 provided being dropped from the periphery of the top panel 61, a short tubular inner wall 63 provided being dropped from the top panel 61 in the inner side of the periphery wall.
  • On the lower end of the inner periphery surface of the periphery wall 62 inward convex parts 64 are provided almost on the entire inner periphery surface.
  • outward flanged tabs 65 are provided for a certain length of the outer periphery surface.
  • the cap 6 is connected to the outer tube part 3, being openably and closably by the hinge 5.
  • the inward convex part 64 of the cap 6 can maintain the cap in a closed state by being engaged with the outward convex parts 34 of the pouring part 33.
  • the outer surface of the lower end part of the inner wall 63 is tightly fixed to the inner surface of the upper end part of the pouring part 33, and the lower end surface of the cap 6 is made to abut with the upper surface of the connecting flange 35 of the outer tube part 3.
  • the hinge 5 comprises a first hinge 51 and a second hinge 52, which connect the flanged connecting flange 35 for connecting hinges of the outer tube part 3 and the cap 6.
  • the first hinge 51 connects the backward of the upper end part of the outer tube part 3 and the backward of the lower end part of the cap 6, and is formed as a matched pair of hinges having a thin hinge 53 at the central part in the front-back direction.
  • the cap 6 opens and closes by using a pair of thin hinge 53 as a supporting point.
  • the second hinge 52 is provided as a pair of opposing V-shapes between a pair of the first hinges 51, in a planar view (see Fig. 3 ).
  • the second hinge 52 is connected to the outer tube part 3 and the cap 6 at a lower level of the thin hinge 53, in a planar view (see Figs. 1 , 8 , and 10 ) .
  • the first hinge 51 is bent and prolonged with the thin hinge 53 located at the center part of the opened outer tube part 3 and the cap 6, and the second hinge is bent and elongated at the connecting part of the outer tube part 3 and the cap 6.
  • the hinge 5 is constituted as in the above, the cap 6 can maintain the closed or opened state against the outer tube part 3, and for example, when pouring the content liquid by using the pouring device 1, the cap 6 will not be disturbing.
  • the inner tube part 4 comprises a tapered tubular body which outer diameter becomes slightly smaller towards the tip end.
  • the inner diameter of the tip end is formed to be 7 mm.
  • the tapering angle of the inner tube part 4 is about 1 degree against its axis.
  • the tip end of the inner tube part 4 has a tip opening 24 inclined downward and frontward at 35 degree in a planar view against the axis. Further, on the periphery of the upper side (outer tube side) of the inner tube part 4 corresponding to the opposite position in the circumferential direction of the hinge connecting part of the outer tube part 3, a hole 23 is provided for pouring the liquid of the container to the last.
  • the pouring device 1 When opening the container 7, the pouring device 1 is removed from the container 7 together with the bag (not shown) and the pouring device 1 is taken out from the bag by tearing off the bag. Then, the pouring device 1 is inserted to the opening part 77 by following the procedures manual of Figs. 5 and 13 . By inclining the container 7, and by pressing lightly with fingers the side surface of the container 7, the content runs off through the pouring opening of the pouring device 1. When the content becomes a small amount, the content runs off through the hole 23. When the container 1 is to be reclosed with the content inside, the cap 6 is to be covered on the pouring opening of the outer tube part 3.
  • flanged projections 41 of a height of 0.5 mm are provided being parallel with the supporting flange 31.
  • the groove forming surface 42 is formed by being inclined downward and backward at 25 degree against the axis of the inner tube part 4.
  • the side peripheral surface of the flanged projection 41 is formed by being tapered so that the diameter becomes smaller toward the bottom direction, and is connected with the outer periphery surface of the inner tube part 4 at the connecting part 43 at its lower end.
  • the most upper part (front part) of the connecting part 43 is located at a level upper than the most bottom part (back part) of the groove forming surface 42.
  • a hole 23 with a long hole shape is provided.
  • the hole 23 is provided in the circumferential position (front direction) of the inner tube part 4 which flanged projection 41 is provided on the most upper level.
  • the upper end of the hole 23 is located at a level upper than the lowest level of the groove forming surface 42 (back part), and the bottom end is located at a level lower than the lowest level part (back part) of the groove forming surface 42.
  • the pouring device 1 can be tightly fixed to the container.
  • the part just above the hole 23 of the flanged projection 41 abuts the top wall 71 of the container 7 from the inner surface side of the container when opening the cap 6, and has an effect to lock the pouring device body 2, so that the pouring device is stable.
  • Fig. 5 the action for mounting the pouring device 1 to the container 7 is explained.
  • the pouring device 1 is approached to the container while the axis is perpendicular with the surface of the opening part 77.
  • the tip end of the inner tube part 4 breaks through the opening part 77, and the inner tube part 4 is inserted into the container 7.
  • the inner tube part 4 is inserted into the container 7 being almost perpendicular with the surface of the opening part 77 along the axis direction (see Fig. 5 (a) ).
  • the flanged projection 41 begins to go over the lowest level (back part) .
  • the axis of the pouring device 1 begins to be inclined so that the abutting surface 32 goes along the top wall 71 of the container 7, and guides a part of the periphery 78 of the opening part 77 in the supporting groove 21 (see Fig. 5 (b) ) .
  • cut fragments 79 of the opening part 77 are formed in the container 7, but as it is stated in the above, the tip end of the inner tube part 4 is inclined downward and frontward at 35 degree against the axis in a planar view, most of the fragments are formed on the opposite side of the hole 23, and the cut fragments 79 do not block the hole 23.
  • the content liquid can be poured to a glass, etc. without pulsating, flashing, or dripping, by inclining the container and pressing lightly the side surface of the container with fingers.
  • Fig. 6 shows a pouring device (deletion subtype) wherein discontinuous flanged projection 44 with a height of 0.5 mm are provided on the periphery of the upper part of the inner tube part 4, parallel with the supporting flange 31, comprising discontinuous part (deleted part) 22. Discontinuous part 22 is provided to transverse diagonally discontinuous flanged projection 44.
  • Figs. 7 to 9 show a pouring device (screw-type subtype) wherein discontinuous flanged projection 44 formed in a screw-type 45 at discontinuous site 22, is provided on the upper periphery of the inner tube part 4.
  • discontinuous flanged projection 44 of this screw-type subtype screw pieces 46 having a wedge shape are fixed.
  • Pouring device type II (deletion subtype and screw-type subtype) can be fixed securely to the container by inserting the pouring device by screwing when mounting the pouring device to the container.
  • Plural discontinuous sites 22 can be provided on discontinuous flanged projection 44, while it is preferred that at least 1 discontinuous site 22 is provided where the flanged projection 44 is at the lowest level, so that it can be screwed certainly.
  • a planar view of a width of 4 mm in the circumferential direction in a planar view, and a height of 0.5 mm is provided on the short projection 47 with a trapezium shape in longitudinal section.
  • the peripheral surface 49 of the lower side of the short projection 47 is formed being tapered so that the diameter becomes smaller towards the downward direction, and is connected with the outer peripheral surface of the inner tube part 4 at the connecting part 43 at the lower end.
  • the top surface 48 of the short projection 47 is formed as a peripheral surface parallel with the axis of the inner tube part 4, and the top surface 48 is located at the same height as the lowest level of the abutting surface 32 which is formed on the lower surface of the supporting flange 31.
  • the short projection 47 abuts the top wall 71 of the container 7 from the inner surface side of the container when opening the cap 6, and has an effect to lock the pouring device body 2, so that the pouring device is stable.
  • FIG. 13 the action of mounting the pouring device 1 to the container 7 is explained.
  • the pouring device 1 is approaching the container while the axis is perpendicular with the surface of the opening part 77 (see Fig. 13 (a) ) .
  • the tip end of the inner tube part 4 breaks through the opening part 77, and the inner tube part 4 is inserted into the container 7.
  • the inner tube part 4 is inserted into the container 7 being almost perpendicular with the surface of the opening part 77 along the axis direction.
  • the insertion proceeds, from a part of the periphery 78 of the opening part 77, the lower part of the periphery surface 49 of the short projection 47 begins to go over.
  • the axis of the pouring device 1 begins to incline so that the abutting surface 32 goes along the top wall 71 of the container 7, and guides a part of the periphery 78 of the opening part 77 into the container.
  • cut fragments 79 of the opening part 77 are formed in the container 7, but as it is stated in the above, the tip end of the inner tube part 4 is inclined downward and frontward at 35 degree in a planar view, most of the fragments are formed on the opposite side of the hole 23, and the cut fragments 79 do not block the hole 23.
  • the content liquid can be poured to a glass, etc. without pulsating, flashing, or dripping, by inclining the container and pressing lightly the side surface of the container with fingers.
  • the hole 23 is provided on the frontward of the inner tube part 4.
  • the hole 23 can be provided on the side of the inner tube part 4, or on the backward.
  • the [pouring device type III] it is necessary to provide a certain distance between the short projection 47 and the abutting surface 32, and if the hole 23 is provided frontward of the inner tube part 4, there will be a distance between the top wall 71 of the container 7 and the hole 23.
  • the tip end of the inner tube part 4 is inclined toward the side or back, and downward.
  • the present invention it is possible to enhance the positioning accuracy of the pouring device to the container, so that the pouring device is stable, and to prevent the content to leak from between the pouring device and the container opening part. Further, according to the present invention, as the pouring device body and the cap are formed by integral molding, it is possible to confer resealability easily to the pouring device.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
EP06833788.0A 2005-12-07 2006-11-30 Extraktionswerkzeug Withdrawn EP1970322A4 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2005354156 2005-12-07
JP2006229845A JP5010211B2 (ja) 2005-12-07 2006-08-25 注出具
PCT/JP2006/323985 WO2007066575A1 (ja) 2005-12-07 2006-11-30 注出具

Publications (2)

Publication Number Publication Date
EP1970322A1 true EP1970322A1 (de) 2008-09-17
EP1970322A4 EP1970322A4 (de) 2013-11-27

Family

ID=38122721

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06833788.0A Withdrawn EP1970322A4 (de) 2005-12-07 2006-11-30 Extraktionswerkzeug

Country Status (6)

Country Link
EP (1) EP1970322A4 (de)
JP (1) JP5010211B2 (de)
KR (1) KR101282762B1 (de)
CN (1) CN101365630B (de)
TW (1) TW200744903A (de)
WO (1) WO2007066575A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2328828A1 (de) * 2008-09-01 2011-06-08 Carsten Møller Spender zur montage auf verpackungen

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Publication number Priority date Publication date Assignee Title
JP5309308B2 (ja) * 2009-03-23 2013-10-09 日本クロージャー株式会社 注出具
JP5309307B2 (ja) * 2009-03-23 2013-10-09 日本クロージャー株式会社 開封具
JP2016074434A (ja) * 2014-10-02 2016-05-12 大日本印刷株式会社 注出具及び容器
JP6675251B2 (ja) * 2016-04-04 2020-04-01 ライオン株式会社 キャップ

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US2585538A (en) * 1947-03-14 1952-02-12 Theodore H Daniels Drawoff tap for liquid-containing cartons
FR1267893A (fr) * 1960-06-14 1961-07-28 Comptoir D Emballages Metalliq Bec verseur adaptable à des boîtes ou bidons à fond plat
EP0337721A1 (de) * 1988-04-11 1989-10-18 Rotino Marketing (Proprietary) Limited Ausgiessvorrichtung für Behälter
US4881662A (en) * 1988-05-27 1989-11-21 Tallman Gary C Dispensing spout
GB2278837A (en) * 1993-06-11 1994-12-14 Gene Stull Snap-hinge closure cap with full circumferential seal.
EP0770555A1 (de) * 1995-10-24 1997-05-02 Unilever Plc Kartonverpackungssystem
US20050029289A1 (en) * 2002-11-05 2005-02-10 Chien-Fu Lin Dispensing apparatus

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JPS6035098U (ja) * 1983-08-19 1985-03-11 藤江　昭一 紙箱における注出口形成装置
JPS637657U (de) * 1986-07-01 1988-01-19
JPS6354624U (de) * 1986-09-30 1988-04-12
US5249708A (en) * 1992-09-21 1993-10-05 Thomas Magness Container puncture spout
JPH0649329U (ja) * 1992-12-19 1994-07-05 株式會社 瑞一 飲料容器用注出具
JPH0719153U (ja) * 1993-09-10 1995-04-07 凸版印刷株式会社 ヒンジキャップ
JPH0731619U (ja) * 1993-11-24 1995-06-13 和俊 山本 紙容器用ノズル
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JP3881848B2 (ja) 2001-02-21 2007-02-14 キッコーマン株式会社 ストロー
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Publication number Priority date Publication date Assignee Title
US2585538A (en) * 1947-03-14 1952-02-12 Theodore H Daniels Drawoff tap for liquid-containing cartons
FR1267893A (fr) * 1960-06-14 1961-07-28 Comptoir D Emballages Metalliq Bec verseur adaptable à des boîtes ou bidons à fond plat
EP0337721A1 (de) * 1988-04-11 1989-10-18 Rotino Marketing (Proprietary) Limited Ausgiessvorrichtung für Behälter
US4881662A (en) * 1988-05-27 1989-11-21 Tallman Gary C Dispensing spout
GB2278837A (en) * 1993-06-11 1994-12-14 Gene Stull Snap-hinge closure cap with full circumferential seal.
EP0770555A1 (de) * 1995-10-24 1997-05-02 Unilever Plc Kartonverpackungssystem
US20050029289A1 (en) * 2002-11-05 2005-02-10 Chien-Fu Lin Dispensing apparatus

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2328828A1 (de) * 2008-09-01 2011-06-08 Carsten Møller Spender zur montage auf verpackungen
EP2328828A4 (de) * 2008-09-01 2011-10-05 Carsten Moeller Spender zur montage auf verpackungen

Also Published As

Publication number Publication date
WO2007066575A1 (ja) 2007-06-14
KR101282762B1 (ko) 2013-07-05
TWI374106B (de) 2012-10-11
CN101365630B (zh) 2011-01-19
EP1970322A4 (de) 2013-11-27
CN101365630A (zh) 2009-02-11
KR20080091121A (ko) 2008-10-09
JP5010211B2 (ja) 2012-08-29
TW200744903A (en) 2007-12-16
JP2007182258A (ja) 2007-07-19

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