WO2010134248A1 - Réceptacle scellé - Google Patents

Réceptacle scellé Download PDF

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Publication number
WO2010134248A1
WO2010134248A1 PCT/JP2010/002036 JP2010002036W WO2010134248A1 WO 2010134248 A1 WO2010134248 A1 WO 2010134248A1 JP 2010002036 W JP2010002036 W JP 2010002036W WO 2010134248 A1 WO2010134248 A1 WO 2010134248A1
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WO
WIPO (PCT)
Prior art keywords
cap
thread
container body
sealed container
convex portion
Prior art date
Application number
PCT/JP2010/002036
Other languages
English (en)
Japanese (ja)
Inventor
大塚眞
Original Assignee
株式会社猩々精機
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 株式会社猩々精機 filed Critical 株式会社猩々精機
Publication of WO2010134248A1 publication Critical patent/WO2010134248A1/fr

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Classifications

    • 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
    • B65D43/00—Lids or covers for rigid or semi-rigid containers
    • B65D43/02—Removable lids or covers
    • B65D43/0202—Removable lids or covers without integral tamper element
    • B65D43/0225—Removable lids or covers without integral tamper element secured by rotation
    • B65D43/0231—Removable lids or covers without integral tamper element secured by rotation only on the outside, or a part turned to the outside, of the mouth of 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00064—Shape of the outer periphery
    • B65D2543/00074—Shape of the outer periphery curved
    • B65D2543/00092—Shape of the outer periphery curved circular
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00259—Materials used
    • B65D2543/00314—Combination, e.g. laminates, several different materials
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/0049—Contact between the container and the lid on the inside or the outside of the container on the inside, or a part turned to the inside of the mouth of the container
    • B65D2543/00527—NO contact
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/00537—Contact between the container and the lid on the inside or the outside of the container on the outside, or a part turned to the outside of the mouth of 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00953—Sealing means
    • B65D2543/00962—Sealing means inserted
    • B65D2543/00981—Discs

Definitions

  • the present invention relates to a sealed container.
  • a variety of sealed containers for fastening the container body and the cap are known.
  • the sealed containers that use screws include solids such as liquids and powders, and semi-solids such as creams and gels, and the inside is sealed by screwing the cap onto the container body.
  • Sealed containers are known. In view of this, there has been proposed a loosening prevention structure for preventing such a cap from being loosened for such a container (see Patent Document 1).
  • the container described in Patent Document 1 is a synthetic resin in which a female screw is formed on the inner surface side of the skirt portion of the cap so as to be screwed with a male screw formed on the outer surface side of the mouth and neck portion of the container body.
  • An annular neck ring is formed below the male screw of the mouth and neck.
  • at least three or more vertical ribs are formed at substantially equal intervals in the circumferential direction of the skirt portion on the inner surface side of the lower end portion of the skirt portion of the cap. Then, the longitudinal rib of the cap is configured to come into contact with the neck ring of the mouth-neck portion from the outside in a state where the cap is sufficiently screwed to the mouth-neck portion.
  • an annular neck ring is formed below the male screw of the mouth-and-neck portion in order to prevent loosening, and a vertical rib is formed on the inner surface side of the lower end portion of the skirt portion of the cap.
  • an object of the present invention is to provide a sealed container that can exhibit a loosening prevention effect without enlarging the sealed container.
  • the sealed container of the present invention is a sealed container that is fastened by screwing a container body and a cap that closes an opening provided in the container body, on either side of the container body or the cap.
  • the thread of the screw engaging portion provided and the screw groove of the screw engaging portion provided on the other side are configured to be engageable, and the screw groove is a screw having a locally wide width.
  • a wide groove, and a protrusion that increases the tightening force between the container body and the cap when the container body and the cap rotate relative to each other in the circumferential direction and / or generates a click feeling.
  • a screw thread enters into the wide thread groove part, and the cap and the container main body are relatively rotatable in the circumferential direction.
  • the packing may be disposed between the open end of the container body and the bottom surface of the cap, and the packing may be crushed in a state where the thread groove wide portion and the thread are strongly engaged by relative rotation in the circumferential direction. preferable.
  • a part or all of the first convex portion that becomes the thread is provided in the thread groove. It is preferable that a part of the convex part is overcome and locked to each other, and the other part of the second convex part is a protrusion.
  • the first convex portion is composed of a high protrusion on the opening front end side of the container main body or the opening side of the cap and a lower protrusion following the second protrusion
  • the second convex portion is on the front end side of the opening of the container main body.
  • it has a high high convex part which becomes a projection part provided in the opening side of the cap, and a low low convex part provided on the opposite side to the high convex part
  • the wide groove part is the second convex part.
  • Relative rotation in the circumferential direction is composed of a first wide groove portion provided on the opposite side of the high convex portion and a second wide groove portion provided between the high convex portion and the low convex portion.
  • the high protrusion Before, the high protrusion enters the first groove wide part, and after the relative rotation in the circumferential direction, the high protrusion maintains the state of entering the first groove wide part, and the rear end of the low protrusion Is preferably locked to the high convex portion.
  • the contact portion with the low protrusion of the high protrusion is an inclined surface that gradually protrudes toward the rear end of the opening of the container body or the bottom of the cap.
  • the low convex portion is installed in a state where the circumferential directions of adjacent screw threads are connected, and has a trapezoidal shape having inclined surfaces on both sides in the linear direction.
  • the high convex portion has a concave portion whose central portion is recessed.
  • the screw thread is formed every other, every second, every third, every fourth, or every fifth of the thread groove.
  • FIG. 2 is a longitudinal sectional view of a container body constituting the sealed container shown in FIG. 1, in which a left screw engaging portion is drawn as an end view along a lead angle (30 °), and a right screw engaging portion is shown with a lead angle for convenience. It is the figure drawn as an end view made 90 degrees.
  • FIG. 2 is a longitudinal sectional view of a cap constituting the sealed container shown in FIG.
  • the left screw engaging portion is drawn as an end view along the lead angle (30 °)
  • the right screw engaging portion has a lead angle of 90 for convenience. It is the figure drawn as an end view with °. However, the illustration of the second convex portions other than the left and right sides is omitted.
  • the screw engaging part of the container main body which comprises the sealed container shown in FIG. 1, and three sectional drawings which cut
  • the screw engaging part of the cap which comprises the sealed container shown in FIG. 1, and six sectional drawings which cut
  • FIG. 1 It is a general
  • FIG. 1 is made into the slope which approaches the bottom face of a cap, so that a connection part is approached.
  • FIG. 1 is a cross-sectional schematic diagram which shows the state of a screw thread, a low convex part, and a high convex part in the state which the wall surface of the high convex part provided in the cap in the sealed container shown in FIG. 1 presses the wall surface of a screw thread.
  • FIG. 1 shows the modification of the sealed container which concerns on this Embodiment, and is a figure which shows the example which varied the shape of the high convex part provided in the cap.
  • FIG. 13 is a diagram showing a state where the sealed container of the modified example shown in FIG. 10 has been subjected to the operation of the arrow Y shown in FIG. 6 and finished, and is a cross-sectional view taken on line LL in FIG. -M and NN) are cross-sectional views. It is a figure which shows the further modification of the sealed container which concerns on this Embodiment, and is the figure which made the protrusion part the hemispherical thing.
  • this sealed container is a sealed container for storing cosmetics, it can also be applied to other sealed containers such as containers for beverages (such as plastic bottles) and food storage containers.
  • FIG. 1 is a longitudinal sectional view of a sealed container 1 according to an embodiment of the present invention.
  • the left screw engaging portion (the outer periphery of the container body 2 and the inner periphery of the cap 3 in the gap between the container body 2 and the cap 3) is an end view along the lead angle (30 °).
  • the right screw engaging portion is drawn with a lead angle of 90 ° for convenience (the same applies to FIGS. 2 and 3).
  • FIG. 2 is a longitudinal sectional view of the container body 2.
  • FIG. 3 is a longitudinal sectional view of the cap 3.
  • the protrusions such as the thread 4 of each screw engaging portion are illustrated as if they are separate members from the container body 2 and the cap 3 (the cross-hatched interval indicating the cross section is different). Is for easy understanding of the engagement relationship of the screw engaging portion.
  • the protruding portion from the container body 2 is formed integrally with the container body 2, and the protruding portion from the cap 3 is It is formed integrally with the cap 3.
  • the protrusion part of each screw engaging part is represented not as a sectional view but as an end view.
  • the sealed container 1 is fastened by screwing a polyolefin resin container body 2 and a polyolefin resin cap 3 that closes an opening provided in the container body 2.
  • a screw thread 4 constituting a screw engaging portion is provided on the outer periphery of the opening of the container body 2.
  • the thread groove 5 which comprises a screw engaging part is provided in the inner periphery of the cap 3. As shown in FIG.
  • the screw thread 4 and the screw groove 5 are configured to be engageable.
  • the container body 2 extends in the radial direction of the accommodating portion 2a from a cylindrical accommodating portion 2a with a bottom that accommodates an object and a half of the height of the accommodating portion 2a. Further, it has a cylindrical skirt portion 2b that extends downward and covers the outer periphery of the lower half of the housing portion 2a.
  • the outer periphery of the accommodating portion 2a above the skirt portion 2b is a screw engaging portion of the container body 2.
  • the center of the bottom surface of the housing part 2a is a position corresponding to a position where the molten resin is press-fitted when the container body 2 is molded, and a hemispherical bulge 2c formed at the end of molding is formed at that position.
  • the bottomed cylindrical cap 3 has a thick portion 3b on the side surface close to the bottom surface 3a and a side surface portion 3c on the opening side of the thick portion 3b. Yes.
  • the inner periphery of the side surface portion 3 c becomes a screw engaging portion of the cap 3.
  • the center of the inner bottom surface 3a of the cap 3 is a position corresponding to a position where the molten resin is press-fitted when the cap 3 is molded, and a circular recess 3d formed at the end of molding is formed at that position.
  • a packing 6 is disposed on the entire bottom surface 3a so as to cover the bottom surface 3a.
  • the thread groove wide portion (details will be described later) and the thread 4 are strongly engaged by circumferential relative rotation (details will be described later), that is, the cap 3 is strongly tightened.
  • the packing 6 in the facing portion between the opening end of the container body 2 and the bottom surface 3a of the cap 3 is crushed.
  • the cap 3 when the cap 3 is tightened into the container body 2 in the direction along the line direction of the thread 4 and the thread groove 5, and then both are relatively rotated in the circumferential direction.
  • the high protrusion 11 a of the first convex portion 11 that becomes the screw thread 4 provided on the screw engaging portion of the container body 2 is provided in the screw groove 5 of the screw engaging portion of the cap 3.
  • the protrusions 12 are engaged with each other in a state of overcoming the low protrusions 12 b of the protrusions 12.
  • the thread 4 is the same as the first convex portion 11.
  • the 1st convex part 11 used as the screw thread 4 is comprised from the high protrusion 11a of the opening front end side of the container main body 2, and the lower protrusion 11b following it.
  • the 2nd convex part 12 provided in the screw engaging part of the cap 3 is provided on the opening side of the cap 3, and the opposite side of the high high convex part 12 a and the high convex part 12 a (the cap 3) It has a low low convex portion 12b provided on the bottom surface 3a side).
  • the high convex portion 12a projection portion
  • the high convex portion 12a has a function of increasing the tightening force between the two.
  • the container body 2 is integrally formed with the screw thread 4 (first convex portion 11). Further, the cap 3 is integrally formed with the second convex portion 12 as described above.
  • FIG. 4 is a development view of the screw engaging portion of the container body 2 and a cross-sectional view of the thread 4.
  • the screw threads 4 are arranged at equal intervals in the circumferential direction of the outer periphery of the opening of the container body 2.
  • the lead angle ⁇ of the thread 4 is 30 °.
  • FIG. 4 also shows an AA cross-sectional view of the screw thread 4 in the longitudinal direction (line direction).
  • the thread 4 has a high protrusion 11a followed by a lower protrusion 11b.
  • the upper surface 11a1 of the high protrusion 11a and the upper surface 11b1 of the low protrusion 11b are flat surfaces (in fact, a surface that is slightly curved in the circumferential direction along the outer peripheral surface of the container body 2).
  • the high protrusion 11a and the low protrusion 11b are connected by a slope 11c.
  • the end of the high protrusion 11a opposite to the inclined surface 11c and the outer peripheral surface of the opening of the container body 2 are connected by an inclined surface 11d.
  • the end of the low protrusion 11b opposite to the inclined surface 11c and the outer peripheral surface of the opening of the container body 2 are connected by a wall surface 11e forming an angle of about 90 ° from the upper surface of the low protrusion 11b.
  • FIG. 4 also shows a cross-sectional view taken along the line BB in the short direction of the low protrusion 11b of the thread 4.
  • the upper surface 11b1 of the low protrusion 11b and the outer peripheral surface of the container body 2 are connected by inclined surfaces 11f and 11f.
  • FIG. 4 also shows a CC cross-sectional view in the short direction of the portion of the protruding portion 11a having the high thread 4.
  • the upper surface 11a1 of the high protrusion 11a and the outer peripheral surface of the container body 2 are connected by slopes 11g and 11g.
  • the cross section of the screw thread 4 shown in the BB cross sectional view and the CC cross sectional view has an isosceles trapezoidal shape. 4 is shown as the end face state of the right screw engaging portion in FIGS. 1 and 2, and shows the end face state of the thread 4 (first convex portion). It has become.
  • FIG. 5 is a development view of the screw engaging portion of the cap 3 and a sectional view of the second convex portion 12.
  • the second convex portions 12 are arranged at equal intervals in the circumferential direction of the inner periphery of the cap 3. The interval is the same as the interval at which the threads 4 shown in FIG. 4 are arranged in the circumferential direction of the outer periphery of the opening of the container body 2. Further, the lead angle ⁇ of the second convex portion 12 is 30 °.
  • the second convex portion 12 includes a high high convex portion 12 a provided on the opening side of the cap 3 and a high convex portion. It has a low low convex portion 12b provided on the opposite side (the bottom surface 3a side of the cap 3) from 12a.
  • the inner peripheral surface portion of the cap 3 between the low convex portion 12 b and the bottom surface 3 a of the cap 3 and between the high convex portion 12 a and the low convex portion 12 b is a wide thread groove portion constituting the thread groove 5.
  • the former is the first wide groove portion 5a
  • the latter is the second wide groove portion 5b.
  • the second wide groove portion 5b is connected to an elongated narrow screw groove 5c that guides the screw thread 4 in the linear direction.
  • a trapezoidal concave portion 12e having an isosceles cross section composed of a slope 12c and a bottom surface 12d is formed.
  • the other upper surface 12a1 of the high convex portion 12a is a flat surface (actually a surface slightly curved in the circumferential direction along the inner peripheral surface of the cap 3). Further, the upper surface of the opening side end portion of the cap 3 of the high convex portion 12a and the inner peripheral surface of the cap 3 are connected by an inclined surface 12f.
  • the end upper surface 12a1 on the low convex portion 12b side of the high convex portion 12a and the inner peripheral surface of the cap 3 are connected by a wall surface 12g forming an angle of about 90 ° from the upper surface 12a1 of the high convex portion 12a.
  • the upper surface 12b1 of the low convex portion 12b is a flat surface (actually, a surface slightly curved in the circumferential direction along the inner peripheral surface of the cap 3), and the upper surface 12a1, the high convex portion 12a side, and the bottom surface of the cap 3
  • the inner peripheral surface of the cap 3 on the 3a side is connected by slopes 12h and 12h, respectively.
  • the low convex portion 12b has an isosceles trapezoidal cross-sectional shape along the linear direction.
  • the recess 12e has an isosceles trapezoidal cross section composed of an inclined surface 12c and a bottom surface 12d, similar to the DD cross section.
  • the upper surface 12a1 of the high convex portion 12a and the inner peripheral surfaces of the caps 3 on both sides thereof are connected by a slope 12j1 on the connecting portion 12k side and a slope 12j2 on the opposite side to the connecting portion 12k side.
  • the second convex portion 12 has an elongated connecting portion 12k that connects the high convex portion 12a and the low convex portion 12b and integrates both.
  • the connecting portion 12k extends from the high convex portion 12a and extends to the vicinity of the bottom surface 3a while maintaining the height of the high convex portion 12a. That is, a part of the high convex part 12a forms a part of the connecting part 12k.
  • the upper surface of the connection part 12k and the flat upper surface 12a1 of the high convex part 12a become the same plane.
  • the connecting portion 12k is also integrated with the low convex portion 12b of the adjacent second convex portion 12. That is, the adjacent low convex portions 12b are connected in the circumferential direction by the connecting portion 12k.
  • the upper surface of the connecting portion 12k is a flat surface (actually, a surface that is slightly curved in the circumferential direction along the inner peripheral surface of the cap 3).
  • the bottom surface 3 a side of the connecting portion 12 k is connected to the thick portion 3 b of the cap 3.
  • the upper surface of the connection part 12k and the upper surface 12b1 of the low convex part 12b are connected by the inclined surface 12n. That is, the left slope 12n and the left slope 12j in the EE sectional view form the same plane.
  • a gap between adjacent high convex portions 12a is an inner peripheral surface of the cap 3, and is an elongated narrow thread groove 5c.
  • FIG. 5 is a diagram showing a circumferential cross section of the second groove wide portion 5b.
  • One second wide groove portion 5b and the upper surface of the connecting portion 12k are connected by an inclined surface 12p.
  • the shape of the second wide groove portion 5b in this cross section is an isosceles trapezoid.
  • the cross section in the circumferential direction of the first wide groove portion 5a is shown, it is the same as the JJ cross section.
  • 5 cut along the line K2-K2 is shown as the end face state of the right screw engaging portion in FIGS. 1 and 3, and shows the end face state of the second convex portion 12 of the cap 3.
  • what is cut along the line K3-K3 in FIG. 5 shows the end surface on the cap 3 side of the screw engaging portion on the left side in FIGS. 1 and 2 show the state of the end face of the left side of the screw engaging portion on the container body 2 side, which is cut along the line AA in FIG.
  • FIG. 6 is a schematic perspective view showing the relationship between the thread 4 and the second convex portion 12 when the container body 2 and the cap 3 are engaged. That is, FIG. 6 is a view showing a state when the container body 2 and the cap 3 are to be screwed together.
  • the container body 2 and the cap 3 are tightened by relatively moving in the direction in which the container body 2 and the cap 3 are relatively approached and in the linear direction of the thread 4 and the thread groove 5.
  • the cap 3 side that is, the second convex portion 12 is fixed and the container body 2 side moves. That is, a state in which the screw thread 4 moves in the linear direction along the arrow direction of the arrow X will be described.
  • the container body 2 is fixed and the cap 3 is often operated so as to be screw-engaged with the container body 2.
  • the screw thread 4 passes through a narrow screw groove 5c that is a gap between two high convex portions 12a.
  • the slopes 11f, 11f, 11g, and 11g of the screw thread 4 are in contact with the slopes of the second convex part 12 (the slope 12j of the high convex part 12a and the slope 12n of the connecting part 12k), respectively.
  • the thread 4 and the thread groove 5 are engaged.
  • the protruding portion 11a having a high thread 4 advances to the second wide groove portion 5b and further approaches the low convex portion 12b of the second convex portion 12.
  • the inclined surface 11d of the protruding portion 11a with the high thread 4 hits the inclined surface 12h on the opening side of the cap 3 of the low convex portion 12b.
  • the high protrusion 11a of the thread 4 moves or elastically deforms radially outward while the inclined surface 11d and the inclined surface 12h rub against each other, and / or The low convex portion 12b moves or elastically deforms radially inward. Then, the high protrusions 11a get over the low protrusions 12b and engage with each other.
  • FIG. 7 is a schematic cross-sectional view showing the state of the first convex portion 11 and the low convex portion 12b of the thread 4 in this locked state.
  • the slope 11c of the high protrusion 11a is strongly engaged with the slope 12h on the bottom surface 3a side of the cap 3 of the low protrusion 12b.
  • the upper surface 11b1 of the low protrusion 11b is in contact with the upper surface 12b1 of the low convex portion 12b.
  • the packing 6 is pressed by the opening end of the container body 2, and the container body 2 and the cap 3 are sealed.
  • the packing 6 is pressed by 0.1 mm.
  • the packing 6 may be pressed by relative rotation in the circumferential direction described later.
  • the user covers the opening of the cap 3 over the opening of the container body 2 and presses the outer bottom surface of the cap 3 with a finger or the like.
  • the reason why the operation of rotating the cap 3 is not required is because the lead angles ⁇ and ⁇ of the screw engaging portion are 30 ° and a large rotation angle is not required. The user can recognize that this locking has occurred, that is, the high protrusion 11a has passed over the low protrusion 12b as an impact like a click feeling.
  • the wall surface 12g is an inclined surface that approaches the bottom surface 3a as it approaches the connecting portion 12k. That is, the wall surface 12g is formed to have a slight angle ⁇ with respect to the virtual straight line V in the circumferential direction. For this reason, by the relative rotation of both in the circumferential direction, the protruding portion 11a having the high thread 4 has the first groove wide portion 5a, and the low protruding portion 11b has the second groove wide portion 5b in the direction of the arrow Y.
  • the wall surface 12g of the high convex portion 12a is in a state of strongly pressing the wall surface 11e of the thread 4.
  • FIG. 9 is a schematic cross-sectional view showing the state of the first convex portion 11, the low convex portion 12b, and the high convex portion 12a of the screw thread 4 in this pressed state.
  • FIG. 1 also shows this state.
  • the slope 11c of the high protrusion 11a has a weaker or slightly separated engagement force with the slope 12h on the bottom surface 3a side of the cap 3 of the low convex portion 12b.
  • the gap is slight and is shown as a contact state in FIG.
  • the upper surface 11b1 of the low protrusion 11b is in contact with the upper surface 12b1 of the low protrusion 12b.
  • the wall surface 12g of the high convex portion 12a strongly presses the wall surface 11e of the screw thread 4 as described above.
  • the packing 6 is kept pressed by the open end of the container body 2, and the container body 2 and the cap 3 are also kept sealed.
  • the wall surface 12g of the high convex portion 12a strongly presses the wall surface 11e of the screw thread 4 so that the inclined surface 11c of the high protruding portion 11a and the inclined surface 12h on the bottom surface 3a side of the cap 3 of the low convex portion 12b.
  • the resultant force is weakened or slightly separated. That is, the high convex portion 12a increases the tightening force between the container main body 2 and the cap 3, and prevents both from loosening.
  • the user relatively turns the cap 3 and the container body 2 in the circumferential direction from the locked state of FIG.
  • the container body 2 is slightly rotated in the direction of arrow Y.
  • the cap 3 and the container body 2 are relatively rotated in the opposite directions.
  • the user slightly rotates the cap 3 in the circumferential direction with respect to the container body 2 and in the direction opposite to the arrow Y.
  • the two are moved apart while relatively rotating in the opposite direction.
  • the user moves the container body 2 in the direction opposite to the arrow X while rotating the container body 2 in the direction opposite to the arrow Y from the above-described locked state.
  • a sealed container 1 is configured to screw-connect a container body 2 and a cap 3 that closes an opening provided in the container body 2, and includes a thread 4 provided on the container body 2 side,
  • the thread groove 5 provided on the cap 3 side is configured to be engageable.
  • the screw groove 5 has a tightening force between the screw groove wide portions 5a and 5b whose width in the circumferential direction is locally wide and the container body 2 and the cap 3 are relatively rotated in the circumferential direction. It has the high convex part 12a to increase. Since the sealed container 1 can accommodate all such configurations in the screw engaging portion, it is possible to provide the sealed container 1 capable of exhibiting a loosening prevention effect without increasing the size of the sealed container 1.
  • the thread 4 enters the wide thread groove portions 5a and 5b, and
  • the cap 3 and the container main body 2 are rotatable relative to each other in the circumferential direction.
  • the container body 2 and the cap 3 are relatively rotated in the circumferential direction in a state where the thread 4 is inserted into the wide thread groove portions 5 a and 5 b, the thread groove wide portions 5 a and 5 b and the thread thread 4 A strong locking force is generated between them.
  • the wall surface 12g of the high convex portion 12a is inclined in the circumferential direction, and the wall surface 12g strongly presses the wall surface 11e of the screw thread 4.
  • a packing 6 is disposed between the open end of the container body 2 and the bottom surface 3a of the cap 3, and the packing is made in a state where the thread groove wide portions 5a, 5b and the thread 4 are strongly engaged by relative rotation in the circumferential direction. 6 is in a crushed state. Therefore, the sealed container 1 has a higher sealing degree. Further, by covering the entire surface of the bottom surface 3a of the cap 3 with the packing 6, the recessed portion 3d formed at the end of the molding of the cap 3 can be hidden, and the sealed container 1 can be made beautiful. Further, the sealing 6 can provide high sealing performance even if the rotational operation for screw connection is as small as 30 ° to 40 °, for example.
  • the cap 3 when the cap 3 is tightened into the container body 2 in the direction along the linear direction of the thread 4 and the thread groove 5, the thread 4 gets over the low convex portion 12 b provided in the thread groove 5 and They are locked together. Therefore, the sealed state of the sealed container 1 can be realized without performing the moving operation in the arrow Y direction shown in FIG. However, it is considered that it is difficult to improve the sealed state of the sealed container 1 only by locking the screw thread 4 and the low convex portion 12b, and the locking portion of the screw thread 4 and the low convex portion 12b is worn or the like.
  • the relative rotation of the two in the direction of the arrow Y is performed, and the wall surface 12g of the high convex portion 12a and the wall surface 11e of the screw thread 4 strongly press each other. It is preferable from the viewpoint of improving the sealing performance of the sealed container 1.
  • the screw thread 4 is composed of a high protrusion 11a on the front end side of the opening of the container body 2 and a lower protrusion 11b following the high protrusion 11a, and the second convex part 12 is provided on the opening side of the cap 3
  • the high convex portion 12a and the low convex portion 12b provided on the opposite side of the high convex portion 12a are provided.
  • the wide groove portions 5a and 5b are formed between the first wide groove portion 5a, the high convex portion 12a, and the low convex portion 12b provided on the opposite side of the high convex portion 12a of the second convex portion 12.
  • the high protrusion 12a enters the first wide groove portion 5a before the relative rotation in the circumferential direction, and the high protrusion after the relative rotation in the circumferential direction.
  • the state where the portion 12a enters the first wide groove portion 5a is maintained, and the wall surface 11e of the low protrusion 11b is locked to the high convex portion 12a. Therefore, the structure of the sealed container 1 that can move in the direction of the arrow Y shown in FIG. 6 and that has improved sealing performance can be realized.
  • the low convex part 12b is installed in the state which connects the adjacent screw thread 4, and is made into the trapezoid shape which has the inclined surfaces 12h and 12h on both sides of a filament direction. Therefore, the operation when the screw thread 4 gets over the low convex portion 12b can be made smooth.
  • the high convex part 12a has the recessed part 12e in which the center part was dented. Therefore, sink marks at the time of molding the cap 3 can be reduced, and molding accuracy can be increased.
  • the rotational operation for screw connection is as small as about 40 ° in the circumferential direction. can do.
  • sealing of the sealed container 1 is realizable by putting the cap 3 on the container main body 2, and pressing it down.
  • the screw thread 4 gets over the low convex portion 12b, the user can recognize it by the impact of the click feeling, so that the user confirms that the sealed container 1 is sealed and the seal is released. it can.
  • a sealed container 1 is configured to screw-connect a container body 2 and a cap 3 that closes an opening provided in the container body 2, and includes a thread 4 provided on the container body 2 side,
  • the thread groove 5 provided on the cap 3 side is configured to be engageable.
  • the screw groove 5 has a tightening force between the screw groove wide portions 5a and 5b whose width in the circumferential direction is locally wide and the container body 2 and the cap 3 are relatively rotated in the circumferential direction. It has the high convex part 12a to increase.
  • the screw thread 4 may be provided on the cap 3 side, and the screw groove 5 may be provided on the container body 2 side.
  • the sealed container 1 is screwed with the wide thread groove portions 5a and 5b.
  • a locking force with the mountain 4 is generated.
  • other forms are possible. For example, instead of generating a locking force between the thread groove wide portions 5a and 5b and the screw thread 4, the above-described locking is formed by the concave and convex portions that are formed in the screw engaging portion but are not involved in the screw coupling. It is also possible to generate force.
  • the thread 4 gets over the low convex portion 12 b provided in the thread groove 5 and
  • the locking force similar to that described above may be generated only by the locked structure. That is, it is not necessary to have a configuration that allows relative rotation in the circumferential direction.
  • a packing 6 is disposed between the open end of the container body 2 and the bottom surface 3a of the cap 3, and the packing is made in a state where the thread groove wide portions 5a, 5b and the thread 4 are strongly engaged by relative rotation in the circumferential direction. 6 is in a crushed state.
  • the packing 6 is not essential and can be omitted.
  • the bottom surface 3a of the cap 3 and the open end of the container body 2 may be in close contact to realize sealing.
  • the thread 4 gets over the low convex portion 12 b provided in the thread groove 5 and They are locked together.
  • the low convex portion 12b may not be provided.
  • the wall surface 12g of the high convex portion 12a and the wall surface 11e of the screw thread 4 may be brought into contact with each other, and the cap 3 and the container body 2 may be locked only by pressing both.
  • the entire thread 4 is the first protrusion 11, but a part of the thread 4 may be the first protrusion 11.
  • the low convex part 12b is installed in the state which connects the adjacent screw thread 4, and is made into the trapezoid shape which has the inclined surfaces 12h and 12h on both sides of a filament direction.
  • the inclined surface 12h may not be provided, or a curved surface may be used instead of the inclined surface 12h. Further, the inclined surface 12h may be provided only on one side in the linear direction of the low convex portion 12b.
  • the high convex part 12a has the recessed part 12e in which the center part was dented.
  • the upper surface of the high convex portion 12a may be a flat surface over the entire area.
  • the wall surface 12g is an inclined surface having an angle ⁇ with respect to the circumferential direction.
  • the wall surface 12g is not an inclined surface but the wall surface 11e is an inclined surface, and the first convex portion 11 is illustrated in FIG.
  • the close strength with the wall surface 12g may be increased.
  • the wall surface 11e of the screw thread 4 forms an angle of about 90 ° from the upper surface of the low protrusion 11b, and the wall surface 12g of the high convex portion 12a that presses against the wall surface 11e is about 90 ° from the upper surface of the high convex portion 12a.
  • the angle is made.
  • the portion where the low protrusion 11b of the high convex portion 12a comes into contact may be made as such, and the base side which is the other portion may be an inclined surface gradually approaching the low convex portion 12b.
  • the same number of screw threads 4 as the screw grooves 5 are formed.
  • the thread 4 may be formed every other, every second, every third, every fourth, or every fifth of the thread groove 5.
  • at least three screw threads 4 may be provided at intervals of 30 ° or more and 150 ° or less of the outer periphery of the container body 2.
  • the second protrusions 12 may be formed every other screw thread 4, every second, every third, every fourth, or every fifth.
  • the lead angles ⁇ and ⁇ of the sealed container 1 are set to 30 °, but are not limited to these angles. However, by setting the lead angles ⁇ and ⁇ to 10 ° or more, the number of rotations (rotation angles) for attaching and detaching the cap 3 to the container main body 2 can be reduced, and the use can be facilitated. Further, by setting the lead angles ⁇ and ⁇ to 80 ° or less, the hermetic container 1 can satisfactorily realize the screw connection by the engagement between the screw thread 4 and the screw groove 5 and can increase the bonding force. .
  • the packing 6 covers the entire area of the bottom surface 3a of the cap 3.
  • the packing 6 may be ring-shaped and disposed only on the opening end of the container body 2 and pressed.
  • the material of the cap 3 and the container body 2 is a polyolefin resin, but other materials may be employed.
  • the material is preferably a resin material, but other materials such as a metal material, a glass material, and wood may be used.
  • any one of the container main body 2 and the cap 3 can be made of a material having elasticity that can change its shape relatively easily, such as a resin.
  • the cap 3 is made of a soft resin such as urethane or silicone in consideration of the deflection during the opening / closing operation of the sealed container 1, and the container
  • the main body 2 is preferably a metal material, a glass material, or the like.
  • the user when the user uses the sealed container 1 without carrying it, the user performs only the operation of the arrow X to ensure the sealing property of the sealed container 1, carries the sealed container 1, and is given an impact to the sealed container 1.
  • the usage can be devised, for example, by securing the sealing property of the sealed container 1 higher by performing the operations of the arrows X and Y.
  • FIG. 10 is a diagram showing a modified example of the sealed container 1 according to the present embodiment in which only the shape of the high convex portion 12a is different from the sealed container 1.
  • the members or portions corresponding to the respective members or portions of the sealed container 1 are denoted by the same reference numerals, and the description thereof is omitted.
  • On the wall surface 12g of the high convex portion 12a a rounded protruding portion 12m protruding at a maximum of 0.15 mm in a direction orthogonal to the wall surface 12g is formed at the end opposite to the connecting portion 12k. . Further, the wall surface 12g has an angle ⁇ shown in FIG. 8 of 0 °.
  • FIG. 11 is a diagram showing a state in the middle when the above-described operation of the arrow Y is performed on the sealed container of this modification.
  • the wall surface 11e of the screw thread 4 is in the middle of getting over the protruding portion 12m, and the wall surface 11e and the protruding portion 12m are pressed against each other.
  • the crushing amount of the packing 6 is 0.25 mm (the crushing amount of the packing 6 when the operation of the arrow X is finished is 0.1 mm).
  • FIG. 12 and FIG. 13 are views showing a state in which the above-described operation of the arrow Y is performed on the sealed container of this modified example.
  • the wall surface 11e of the screw thread 4 gets over the protruding portion 12m, and the wall surface 11e and the wall surface 12g are in contact with each other. In this state, the collapse amount of the packing 6 returns to 0.1 mm.
  • FIG. 13 shows an LL sectional view of FIG. 12 and a sectional view cut along two cutting lines of the protruding portion 12m.
  • the protruding portion 12m extends to the slope 12j2 side of the wall surface 12g, and the portion of the cutting line MM is the highest.
  • the portion corresponding to the protruding portion 12m is the right end of FIG. 8 of the inclined wall surface 12g of the high convex portion 12a shown in FIG.
  • the thing currently formed in the side can be mentioned.
  • the protrusion 12m may be hemispherical as shown in FIG. 14, or may be long as shown in FIG. Further, when the projecting portion 12m does not have a click feeling when it is completely closed and is simply intended to increase the sealing degree, the installation position of the projecting portion 12m is connected to the connecting portion 12k as shown in FIG. It may be on the near side.
  • FIG. 16 shows an example of this.
  • the protrusion 12m is formed of an inclined surface 12g1 and a parallel surface 12g2.
  • a click feeling does not occur, but it is easy to maintain a high sealing degree.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)

Abstract

La présente invention concerne un réceptacle scellé, configuré de manière à empêcher efficacement le capuchon de se desserrer sans augmenter la taille d'un élément d'attache. Le réceptacle scellé comprend un corps de réceptacle (2) et un capuchon (3) fermant l'ouverture pratiquée dans le corps de réceptacle (2), le corps et le capuchon étant raccordés ensemble par filetage de vis. Une saillie de filetage (4) agencé sur le corps de réceptacle (2) et une rainure de filetage (5) agencée sur le côté du capuchon (3) sont configurées de façon à pouvoir être mis en prise l'un avec l'autre. La rainure de filetage (5) comporte de larges sections de rainure (5a, 5b), dont la largeur dans le sens circonférentiel est localement grande, et comporte également une section de saillie haute (12a) qui, lorsque le corps de réceptacle (2) et le capuchon (3) tournent l'un par rapport à l'autre dans le sens circonférentiel, augmente la force de serrage entre le corps de réceptacle et le capuchon et/ou génère une sensation d'encliquetage. Lorsque le capuchon (3) est serré sur le corps de réceptacle (2) selon le sens des filets de la saillie de filetage (4) et de la rainure de filetage (5), la saillie de filetage (4) entre dans les sections de rainure (5a, 5b), et le capuchon (3) et le corps de réceptacle (2) peuvent tourner l'un par rapport à l'autre dans le sens circonférentiel.
PCT/JP2010/002036 2009-05-18 2010-03-23 Réceptacle scellé WO2010134248A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009-120242 2009-05-18
JP2009120242A JP4414480B1 (ja) 2009-05-18 2009-05-18 密封容器

Publications (1)

Publication Number Publication Date
WO2010134248A1 true WO2010134248A1 (fr) 2010-11-25

Family

ID=41739293

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2010/002036 WO2010134248A1 (fr) 2009-05-18 2010-03-23 Réceptacle scellé

Country Status (2)

Country Link
JP (1) JP4414480B1 (fr)
WO (1) WO2010134248A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4943370U (fr) * 1972-07-15 1974-04-16
JP2001519299A (ja) * 1997-10-10 2001-10-23 ビーソン アンド サンズ リミテッド 容器の封止組立体

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4943370U (fr) * 1972-07-15 1974-04-16
JP2001519299A (ja) * 1997-10-10 2001-10-23 ビーソン アンド サンズ リミテッド 容器の封止組立体

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JP2010265025A (ja) 2010-11-25
JP4414480B1 (ja) 2010-02-10

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