Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
  • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
  • B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
  • B67D7/005—Spouts
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
  • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
  • B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
  • B67D7/02—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes for transferring liquids other than fuel or lubricants
  • B67D7/0288—Container connection means
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
  • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
  • B67D1/00—Apparatus or devices for dispensing beverages on draught
  • B67D1/08—Details
  • B67D1/0829—Keg connection means
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
  • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
  • B67D1/00—Apparatus or devices for dispensing beverages on draught
  • B67D1/08—Details
  • B67D1/0829—Keg connection means
  • B67D1/0831—Keg connection means combined with valves
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
  • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
  • F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
  • F16L19/06—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts in which radial clamping is obtained by wedging action on non-deformed pipe ends
  • F16L19/065—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts in which radial clamping is obtained by wedging action on non-deformed pipe ends the wedging action being effected by means of a ring
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
  • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
  • F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
  • F16L3/003—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets devices for holding the open end of a hose

Definitions

• Plunger tube coupling device for a container for packaging a product, especially a chemical product
• the present invention relates to the field of product packaging containers, especially chemicals.
• the present invention relates to a plunger tube coupling device for packaging a product, in particular a toxic and / or harmful and / or odorous and / or flammable chemical.
• a product in particular a toxic and / or harmful and / or odorous and / or flammable chemical.
• packaging is meant storage of the product in a container for transporting and preserving before opening the physico-chemical structure of said product for a relatively long period, for example of the order of several months.
• Such a packaging container is generally associated with a dip tube for filling or emptying.
• the dip tube forms a conduit for introducing or dispensing the product.
• the lower end of the dip tube can for example be brought to bear or very close to the bottom of the container in order to be able to distribute the entire product.
• the user of the container can be in direct contact with the product.
• the user may also be in contact with the vapors of the product. This can be particularly problematic, especially when the product is a toxic and / or harmful and / or odorous and / or flammable.
• the present invention aims to remedy these disadvantages.
• the present invention aims at providing a plunger tube coupling device for packaging a product, in particular a chemical product, making it possible to ensure easy and secure mounting of the plunger tube on the container.
• the present invention also aims to provide a coupling device for performing a height adjustment of the plunger tube and a locking position of said tube after adjustment.
• the present invention finally provides a coupling device of simple design and economic.
• the plunger tube coupling device for a product packaging container in particular a chemical product, comprises a body provided with a through bore for the passage of the plunger tube, a mounted clamping means on the body and provided with an opening for the passage of said dip tube, and a compression ring arranged axially at least partly between the body and the clamping means and comprising a contact surface with an outer surface of the dip tube.
• Said compression ring cooperates with the body and / or the clamping means to obtain, during a relative axial approximation of said body and said clamping means, a radial displacement towards the inside of said ring.
• the coupling device With the coupling device, it is possible to introduce the dip tube into the associated container without having to open the top of the container completely. Indeed, the body of the device can be connected directly or indirectly via an additional element at an opening of the container having a diameter substantially greater than that of the dip tube. This reduces the risk of direct contact between the product stored in the container and the user as well as the risk of inhalation of the vapors of the product.
• the dip tube can be introduced and slide inside the device by simple axial thrust.
• the compression ring exerts a substantially radial inward force so as to radially compress the outer surface of the dip tube and to prevent axial separation of said tube and the coupling device.
• the compression ring forms a means for axially locking the dip tube relative to the body and the clamping means of the device.
• the device also has the advantage of allowing easy disassembly of the dip tube, for example to reposition it at a different height inside the container, or to replace it, or to use the device and the dip tube on another container. of different size and / or volume. To do this, it is necessary to move the clamping means relative to the body in the remote position in which the compression ring is not so illicit radially inwards.
• the body and the clamping means define an axial space within which the compression ring is housed.
• the compression ring is thus held axially between the body and the clamping means.
• This arrangement makes it possible to avoid possible axial de-lidding of the compression ring with respect to the other elements constituting the coupling device.
• the device forms a unitary assembly that can be handled, transported and mounted with a risk of accidental separation of the elements constituting it particularly limited.
• the contact surface of the compression ring is continuous in the circumferential direction. Any eventual infiltrations of liquid or gas between the plunger tube and the compression ring are thus greatly reduced.
• the body or the clamping means comprises a frustoconical portion to obtain the radial displacement towards the inside of the compression ring during the relative axial approximation of the body and the adjustment means.
• This arrangement makes it possible to obtain, in a simple and effective manner, the radial displacement towards the inside of the compression ring during axial restricitation of said ring by the body and / or the adjustment means.
• the compression ring may also comprise a frustoconical outer surface cooperating with the frustoconical portion of the body or the clamping means and radially opposed to the contact surface.
• the compression ring may comprise a centering portion disposed inside the clamping means and a retaining portion axially extending said centering portion.
• the frustoconical outer surface of the compression ring may be provided on the retaining portion.
• the compression ring is made of synthetic material, in particular PTFE.
• the compression ring may be made of metal material or metal alloy elastically deformable, for example copper.
• the clamping means is mounted on the outer surface of the body, in particular by screwing.
• the device further comprises a closure cap mounted on the body and intended to close a bung of the associated packaging container.
• the coupling device makes it possible to further ensure the closure of the bung of the container.
• the device thus makes it possible to ensure a dual function, namely on the one hand the mounting and locking of the dip tube and, on the other hand, the plugging of the bung of the associated container.
• the closure cap can be mounted on the outer surface of the body, in particular by screwing.
• the closure cap may also include fastening means for cooperating with the bung of the conditioning container.
• the body, the clamping means and the closure member are made of metal material, in particular steel.
• the invention also relates to a packaging container containing a product, in particular a chemical product, and comprising at least one plug, a connecting device as defined previously mounted at the plug, and a dip tube passing through the connecting device and extending inside the container.
• FIG. 1 is a sectional view of a container comprising a coupling device according to an exemplary embodiment
• FIG. 2 is a sectional view of the coupling device of FIG. 1, and
• Figure 3 is a front view of the connecting device of Figures 1 and 2.
• FIG. 1 is represented in a supposed vertical position a container designated by the general numerical reference 10.
• the container 10, of axis 10a is intended for the packaging of one or more toxic chemical products P and or harmful and / or odorous and / or flammable.
• the container 10 can of course be used for packaging other types of chemicals or not.
• the container 10 comprises, at its upper end, a bung 12, a dip tube 14 extending inside the container and out of said container, and a connecting device 16 mounted at the bung 12 and through which extends the plunger tube 14.
• the connecting device 16 is provided to allow the sliding of the plunger tube 14 inside the container 10 and the locking in position of said tube.
• the plunger tube 14 allows the filling and / or emptying of the container 10.
• the container 10 also comprises, at its upper end, an additional bung (not shown) provided for balancing the pressure during filling or emptying the container.
• This additional bung can be equipped with a simple odor filter or a gas adsorber, or a hose connected to a pump or a compressor so as to create the necessary pressure or depression inside. container to empty or refill, respectively.
• the connecting device 16 comprises a body 1 8, of axis 1 8 a, a clamping nut 20 mounted on the body, a compression ring 22 mounted axially between the body and the body. clamping nut, and a closure plug 24 for closing the bung of the container.
• the body 1 8 comprises a bore 26 passing axially through said body for the passage of the plunger tube.
• the bore 26 is constituted by a cylindrical portion 26a coaxial with the axis 1 8a and extending axially from the lower end of the body 1 8, and by a frustoconical portion 26b extending said cylindrical portion and flaring towards outside.
• the frustoconical portion 26b opens at the upper end of the body 1 8.
• the body 1 8 comprises an outer surface 28 on which is formed, from an upper end, a first thread (not referenced) for fixing and tightening the tightening nut.
• the body 1 8 has a generally tubular shape.
• the body 1 8 could have a bent shape.
• the clamping nut 20 comprises an annular axial clamping portion 30 internally comprising a thread (not referenced) engaged with the thread of the body 1 8.
• the clamping portion 30 comprises externally hexagonally arranged to allow clamping of the nut 20 with a wrench.
• the clamping portion 30 is extended at one end axial located on the opposite side to the body 1 8, by a radial wall 32 comprising a through opening 34 for the passage of the plunger tube 14 and coaxial with the axis 1 8a.
• the nut 20 and the body 1 8 delimit an axial space inside which is completely mounted the compression ring 22.
• the annular compression ring 22 is advantageously made in one piece by molding a synthetic plastic material, for example PTFE.
• the compression ring 22 is elastically deformable.
• the ring 22 comprises an annular centering portion 36 and an annular retaining portion 38 axially extending said centering portion.
• the centering portion 36 is centered radially inside the clamping part 30 of the nut and is mounted axially in abutment against the radial wall 32 of said nut.
• the retaining portion 38 is mounted partly inside the frustoconical portion 26b of the bore of the body 1 8 and bears against said portion.
• the retaining portion 38 has a frustoconical outer surface 40 substantially in register with the frustoconical portion 26b of the bore. The outer surface 40 is in contact against said frustoconical portion 26b.
• the compression ring 22 includes an inner surface 42 for engaging the outer surface of the dip tube.
• the inner surface 42 is radially opposed to the frustoconical outer surface 40.
• the inner surface 42 forms the bore of the compression ring coaxial with the axis 18a and extends along the centering and retaining portions 38.
• the inner surface 42 is annular, i. e. continues in the circumferential direction. As will be described in more detail later, when the nut 20 is screwed onto the body 18, the axial action exerted by the nut on the compression ring 22 allows said ring to compress the outer surface radially. of the plunger tube 14 and to obtain axial locking of the tube.
• the closure cap 24 is screwed on the outer surface 28 of the body axially on the opposite side to the clamping nut 20.
• a second net (not referenced) is provided on the outer surface 28 of the body 1 8 and is engaged with a thread (not referenced) of the plug 24.
• the plug 24 allows the closure of the bung 12 ( Figure 1) of the container.
• the plug 24 has a cup shape.
• the plug 24 comprises a radial wall 42 comprising a threaded bore screwed onto the body 18 and an axial portion 44 extending a large diameter edge of said radial portion.
• the axial portion 44 comprises, on its outer surface, a thread (not referenced) provided to cooperate with the thread of the bung 12 in order to obtain the attachment of the device 16 on the associated container 10.
• the procedure is as follows to introduce the dip tube 14 inside the device, then to achieve height adjustment and blocking said tube.
• the nut 20 is slightly unscrewed so that the compression ring 22 is not axially caused by said nut.
• the thread of the nut 20 remains in engagement with the thread of the body 1 8.
• the dip tube 14 is inserted inside the opening 34 of the nut, the surface inner 42 of the compression ring and the bore 26 of the body.
• the plunger tube 14 slides through the connecting device 16 and inside the container 10 until the lower end of said tube reaches the desired position, for example in support or at a very short axial distance from the bottom of the container. .
• the tightening nut 20 is screwed onto the body 1 8 so as to obtain an axial approximation of the radial wall 32 of the nut and the body 1 8.
• This axial approximation of the nut 20 relative to to the body 1 8 causes the axial displacement of the compression ring 22 towards the body 1 8 and against the frustoconical portion 26b of the bore of said nut, and a radial deformation towards the inside of the retaining portion 38 of the ring via said frustoconical portion 26b.
• the retaining portion 38 of the compression ring deforms radially towards the outer surface of the tube p length 14 and compresses radially said area.
• the inner surface 42 of the compression ring comes, at least over part of its length, radially in contact against the outer surface of the plunger tube 14 and radially clamps said surface. This results in the axial locking of the plunger tube 14 relative to the connecting device 16 by jamming said tube by the compression ring 22.
• the nut 20 is screwed onto the outer surface of the body 1 8.
• the radial deformation of the compression ring 22 allowing the axial locking of the plunger tube 14 is obtained by virtue of the axial displacement of the nut 20 and the compression ring 22, and to the cooperation of the retaining portion 38 of said ring with the frustoconical portion 26b of the bore of the body.
• the compression ring 22 thus cooperates with both the nut 20 and the body 1 8 to obtain the radial clamping of the plunger tube 14.
• the centering portion 36 of the compression ring axially bearing against the upper end of the body 1 8 and to provide on the radial wall 32 of the nut 20 an opening 34 frustoconical shape adapted to cooperate with the retaining portion 38 of the ring.
• the displacement of the nut causes the radial deformation towards the inside of the compression ring 22.
• the closure plug 24 is removably mounted on the body 1 8 by screwing.
• the cap 24 it is possible to fix the cap 24 on the body 1 8 in a manner that can not be dismantled, for example by welding.
• the removable mounting of the plug 24 is advantageous insofar as plugs of different diameters can then be mounted on the same body 1 8.
• the diameter of the plug 24 is chosen according to the diameter of the bung of the associated container.
• the elastic nature of the compression ring 22 also allows adaptability to different diameters of plunger tubes.
• a coupling device for making easy and fast height adjustment of the associated dip tube and a blocking said tube, and ensuring a good seal to liquids and gases.
• the connecting device of the invention is particularly suitable for the filling and emptying of toxic and / or harmful and / or odorous and / or flammable products, in particular liquid chemicals transported and / or stored in containers which can be filled or drained by applying pressure or depression.
• the connecting device of the invention is particularly suitable for plant protection products, especially used in field agriculture, in particular fumigants, and more particularly to disulfides, for example dimethyl disulfide, with halides, for example methyl bromide.
• 1,3-dichloropropene or chloropicrin (CI 3 C-NO 2 ), but also metasodium (CH 3 -NH-CS 2 Na + ), metam potassium (CH 3 -NH-CS 2 ⁇ K + ) or sodium tetrathiocarbonate (Na 2 CS 4 ), and methyl isothiocyanate (MITC or CH 3 -NC 5) and precursors of MITC, for example Dazomet, alone or in mixtures of two or more of between them in all proportions.

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• Engineering & Computer Science (AREA)
• General Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Closures For Containers (AREA)
• Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
• Quick-Acting Or Multi-Walled Pipe Joints (AREA)
• Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=48613892

Family Applications (1)

Country Status (14)

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Citations (3)

Family Cites Families (30)

• 2013
  • 2013-03-18 FR FR1352368A patent/FR3003330B1/fr not_active Expired - Fee Related
• 2014
  • 2014-03-17 US US14/777,960 patent/US20160280531A1/en not_active Abandoned
  • 2014-03-17 EP EP14710322.0A patent/EP2976291A1/fr not_active Withdrawn
  • 2014-03-17 BR BR112015020705A patent/BR112015020705A2/pt not_active Application Discontinuation
  • 2014-03-17 AU AU2014234485A patent/AU2014234485B2/en not_active Ceased
  • 2014-03-17 MX MX2015011776A patent/MX2015011776A/es unknown
  • 2014-03-17 CN CN201480016527.1A patent/CN105189335A/zh active Pending
  • 2014-03-17 JP JP2016503628A patent/JP2016516645A/ja active Pending
  • 2014-03-17 WO PCT/EP2014/055324 patent/WO2014147034A1/fr active Application Filing
  • 2014-03-17 KR KR1020157029739A patent/KR20150131323A/ko active Search and Examination
• 2015
  • 2015-08-26 PH PH12015501884A patent/PH12015501884B1/en unknown
  • 2015-09-01 IL IL240974A patent/IL240974A0/en unknown
  • 2015-09-15 CL CL2015002732A patent/CL2015002732A1/es unknown
  • 2015-10-15 ZA ZA2015/07728A patent/ZA201507728B/en unknown

Patent Citations (3)

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