EP1792841A1 - Element de fermeture pour un distributeur - Google Patents

Element de fermeture pour un distributeur Download PDF

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Publication number
EP1792841A1
EP1792841A1 EP06020920A EP06020920A EP1792841A1 EP 1792841 A1 EP1792841 A1 EP 1792841A1 EP 06020920 A EP06020920 A EP 06020920A EP 06020920 A EP06020920 A EP 06020920A EP 1792841 A1 EP1792841 A1 EP 1792841A1
Authority
EP
European Patent Office
Prior art keywords
closure element
element according
piston
channel
insert body
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.)
Granted
Application number
EP06020920A
Other languages
German (de)
English (en)
Other versions
EP1792841B1 (fr
Inventor
Michael Horn
Rüdiger Belau
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.)
Lindal Ventil GmbH
Original Assignee
Lindal Ventil GmbH
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 Lindal Ventil GmbH filed Critical Lindal Ventil GmbH
Publication of EP1792841A1 publication Critical patent/EP1792841A1/fr
Application granted granted Critical
Publication of EP1792841B1 publication Critical patent/EP1792841B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/16—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant characterised by the actuating means
    • B65D83/20—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant characterised by the actuating means operated by manual action, e.g. button-type actuator or actuator caps
    • 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
    • B65D47/20—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge
    • B65D47/2018—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge comprising a valve or like element which is opened or closed by deformation of the container or closure
    • B65D47/2056—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge comprising a valve or like element which is opened or closed by deformation of the container or closure lift valve type
    • B65D47/2062—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge comprising a valve or like element which is opened or closed by deformation of the container or closure lift valve type in which the deformation raises or lowers the valve stem
    • B65D47/2075—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge comprising a valve or like element which is opened or closed by deformation of the container or closure lift valve type in which the deformation raises or lowers the valve stem in which the stem is raised by the pressure of the contents and thereby opening the valve
    • 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
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/75—Aerosol containers not provided for in groups B65D83/16 - B65D83/74
    • B65D83/753—Aerosol containers not provided for in groups B65D83/16 - B65D83/74 characterised by details or accessories associated with outlets

Definitions

  • a dispenser may be a pressure vessel provided with a dispensing valve, particularly for dispensing media such as gel, cream, paste and the like. Also, the dispenser may be formed as an elastic container in which the medium is discharged on pressure. Suitable media are pasty, viscous, foam-forming and / or flowable media.
  • the dispensing head which prevents the re-foaming and drying of remaining in the spout after actuation of the dispensing valve filling.
  • the dispensing head consists of an outer closure spout with a jacket part, which tapers towards an outlet opening.
  • Slidably disposed in the shell part is a shaft-shaped closure body which is mounted by means of an elastic membrane in a base part of the closure spout.
  • the dispensing head is provided for a tilt valve in which a space within the closure spout fills with the medium and removes the closure body from the outlet via the membrane.
  • a closure system in which also a shaft-shaped closure body is arranged in an outlet opening of the closure system.
  • the closure body has a membrane held in the closure system.
  • a chamber is filled, so that a pressure is exerted on the membrane to withdraw the closure body from the outlet opening.
  • the dispenser assembly has a one-piece cap body made of plastic, on the underside of which a cooperating with the dispensing valve of the pressure pack actuating portion is attached and which has a channel. Further, a cup-shaped first insert body made of plastic is provided which has a cylindrical peripheral wall which is insertable into a matching recess of the skirt in the cap body. Further, a second insert body is provided with a ring-cylindrical portion. The annular cylindrical portion is disposed between the peripheral wall of the first insertion body and a stopper surface of the cap body.
  • the second insert body further has a circular flexible membrane formed on the front end of the annular cylindrical portion and having a pin formed on the front side of the diaphragm.
  • the pin engages under the spring bias of the membrane sealingly into the discharge opening.
  • a chamber is formed, which is in constant communication with the channel of the actuating portion and is bounded on one side by the membrane.
  • the diaphragm is dimensioned such that upon actuation of the dispensing valve, it is deformed backward by the pressure in the chamber and removes the pin from the dispensing opening. If the pressure in the chamber decreases, the second insert body is pushed back into the outlet opening through the membrane.
  • the invention has for its object to provide a closure element, in particular in pasty media with simple means effectively prevents afterflow and drying of the medium in the outlet opening.
  • the closure element is intended for a dispenser, which is particularly suitable for the discharge of pasty media.
  • the closure member has an insert body and a piston member.
  • the insert body has an outlet channel and an outlet opening for the medium to be discharged.
  • a sealing element is used in the region of the outlet opening, which forms a circumferential piston seat.
  • the piston member has a cooperating with the piston seat piston head and at least one elastic strut.
  • the piston element extends in the outlet channel of the insertion body, the piston head being arranged on the side facing the outlet opening in the outlet channel and the at least one strut being arranged in a widening channel section of the outlet channel.
  • the piston element extends through the sealing element in the outlet channel and preferably ends flush with the outlet opening of the insert body.
  • the piston head is biased by the at least one strut sealing against the piston seat and is pressed by escaping medium in the direction of the outlet opening of the piston seat.
  • Piston member not sealingly into the outlet opening, but acts together sealingly with a piston seat forming sealing element in the outlet channel.
  • the piston head is moved in the direction of the outlet opening when the medium is to escape.
  • previous solutions always make sure that the piston element is withdrawn from the outlet opening in the outlet channel.
  • the insertion body has a substantially cylindrical shape, in which the outlet channel extends along the cylinder longitudinal axis.
  • the outlet channel has a constant diameter in a first channel section which opens into the outlet opening.
  • the sealing element is inserted into the first channel section.
  • sealing element and insert body are integrally formed.
  • a two-component injection molding method is preferably used, wherein the sealing element is made of a soft, good sealing material.
  • the piston seat is preferably formed by an inner wall of the sealing element, which cooperates with the piston head along the circumference.
  • the sealing element forming the piston seat is made of a soft material.
  • the insert body is inserted into a recess in the dispenser, wherein the channel of the dispenser for the medium to be discharged opens into the outlet channel.
  • the insert body is preferably held in a press fit in the recess. At this The embodiment thus forms the insertion body with the outlet channel, the outlet opening for the medium, the insert body preferably protruding from an apron of the dispenser.
  • the piston head has a conical intermediate portion which opens into a cylindrical shaft.
  • the outer diameter of the shaft is smaller than the inner diameter of the piston seat.
  • the shaft has at least one elastic strut.
  • two, three or four struts are provided on the piston element.
  • the struts are at an angle away from the piston head from the shaft, each strut has at its free end a kinked portion which abuts substantially flat against the conical inner wall in the outlet channel.
  • the struts are dimensioned such that the restoring force generated by them pushes the piston head sealingly into the piston seat and can be pushed out of the piston seat by the medium to be discharged from the piston head.
  • the dispenser is provided with a dispensing valve pressure vessel.
  • the valve is actuated via a spray cap.
  • the actuating portion of the spray cap protrudes into the interior space, wherein the channel of the spray cap extends centrally from an inlet opening along a central longitudinal axis of the spray cap and is angled at 90 ° C.
  • the actuating element preferably has near the inlet opening in the side wall an opening through which the medium to be discharged from the valve enters the channel.
  • the piston element with its elastic struts is preferably made of an acetal copolymer (POM).
  • POM acetal copolymer
  • the piston seat is made of an elastomer that is softer than the acetal copolymer of the piston member.
  • two additional sealing parts may be provided of a soft elastomer.
  • Fig. 1 shows a one-piece spray cap 10 made of plastic.
  • the spray cap 10 has on its upper side a corrugated pressure pad 12 and a substantially cylindrically encircling outer wall 14. Via a peripheral shoulder 16, a second circumferential wall portion 18 connects, which has a larger circumference than the upper wall portion.
  • the spray cap 10 has a cylindrical recess 20 which receives the insert body 22.
  • the recess 20 has a circumferential recess 24, which facilitates insertion of the insertion body 22.
  • the channel portion 26 which extends in the radial direction to the spray cap 10 opens.
  • the channel section 26 is connected to the channel 28, which runs in the center of the spray cap 10 along the central longitudinal axis. From Fig. 1 it can be seen that the bent channel portion 26 has a significantly larger diameter than the channel portion 28. It can also be seen in FIG. 1 that the channel section 26 protrudes into the channel section 28 in a region 30 and reduces the diameter in the channel section 28 in the transition region of the section 26.
  • the cylindrical wall 32 of the channel portion 28 has at its free end an opening 34th
  • the spray cap 10 has a peripheral edge which is reinforced by a shoulder 38. Furthermore, 10 ribs 40 are provided in the spray cap, which protrude radially inwardly into the spray cap 10 and form a contact edge 42 for the dome of the valve.
  • the closure element has an insert body 22 with a cylindrical outer wall and a longitudinally extending outlet channel.
  • the outlet channel has a first cylindrical channel portion 44, which opens into the outlet opening 46.
  • the insert body 22 projects from the recess 20 and the skirt wall 14.
  • a sealing element 48 is formed, which forms the piston seat.
  • the sealing element 48 is produced by means of a 2-component injection molding process in the illustrated embodiment of a second material. In contrast to a hard POM material, a soft elastomer is used for the sealing element.
  • the sealing element 48 has a seating area 49, which is seated on a projecting shoulder 50 in the outlet channel.
  • the sealing element 48 also has a sealing lip 53, whose inner wall forms the piston seat.
  • the circumferential sealing lip 53 has an outer diameter which is smaller than the inner diameter of the first channel section and also smaller than the outer diameter of the seat portion 49. Also, the inner diameter of the sealing lip is smaller than the flared inner diameter of the outlet channel.
  • the inner wall of the sealing lips has rounded edges. The sealing lips are resiliently against the piston head and thus form the piston seat.
  • a channel section 51 connects, the diameter of which widens conically.
  • the conically widening channel section 51 merges into a cylindrical section 52 at its end pointing away from the sealing element 48.
  • the outer wall of the insert body 22 has a beveled circumferential edge 54 which cooperates with the recess 24 of the recess 20 during insertion.
  • the piston member 56 is shown.
  • the piston element 56 has a cylindrical piston head 58 with a conical transition surface 60.
  • the shaft 62 adjoins the piston head 58 with its transition surface 60.
  • the shaft 62 has over the piston head 58 projecting struts 64.
  • two struts 64 are visible.
  • the medium between the spring struts in the conical portion of the outlet channel In this case, a force is exerted both on the shaft and on the transition surface 60 of the valve head, which press the piston element in the direction of the outlet opening 46.
  • a force is exerted on the pressure surface 12 with a component in the longitudinal direction. Via the duct wall 32, a force is exerted on a valve 68.
  • the valve 68 is shown in Fig. 1 by way of example only as a female valve. There is also the possibility to form the actuating portion of the spray cap for a male valve.
  • the medium With the pressure opens the valve, the medium enters from the container into the channel 28 and is deflected there in the bent channel portion 26. Due to the pressure of the medium, the piston head 58 is pressed against the force of the spring legs 64 out of contact with the sealing element.
  • the closure element described can be used in any type of dispensers for discharging a medium. Both in pressure vessels with valve as well as manually squeezable containers, the closure element is suitable. For use, it is only necessary that no pressure is applied to the piston in the idle state and the medium exits the exit channel at a certain pressure when exiting. This pressure must be greater than the restoring force exerted by the struts.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Closures For Containers (AREA)
  • Coating Apparatus (AREA)
  • Telephone Function (AREA)
  • Seal Device For Vehicle (AREA)
EP06020920A 2005-12-03 2006-10-05 Element de fermeture pour un distributeur Not-in-force EP1792841B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005057822A DE102005057822B4 (de) 2005-12-03 2005-12-03 Sprühkappe für einen mit einem Abgabeventil versehenen Druckbehälter

Publications (2)

Publication Number Publication Date
EP1792841A1 true EP1792841A1 (fr) 2007-06-06
EP1792841B1 EP1792841B1 (fr) 2009-06-17

Family

ID=37806212

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06020920A Not-in-force EP1792841B1 (fr) 2005-12-03 2006-10-05 Element de fermeture pour un distributeur

Country Status (6)

Country Link
US (1) US8292199B2 (fr)
EP (1) EP1792841B1 (fr)
AT (1) ATE433923T1 (fr)
CA (1) CA2569119C (fr)
DE (2) DE102005057822B4 (fr)
ES (1) ES2328840T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2371732A1 (fr) * 2010-03-30 2011-10-05 BodyPak Closures Limited Moyen de fermeture comportant un clapet à ressort

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2543920A1 (fr) * 1983-04-11 1984-10-12 Dore Pierre Dispositif d'obturation de flacon ou bouteille deformable a capsule auto-etanche a clapet
GB2260535A (en) * 1991-10-19 1993-04-21 Coda Plastics Ltd Valved dispensing closure
EP1384676A2 (fr) * 2002-07-26 2004-01-28 Masuda Masatoshi Mécanisme de soupape pour un conteneur de liquide de type tube
WO2004094256A1 (fr) * 2003-04-23 2004-11-04 Hugo Nilsson Appareil de distribution monte sur un recipient ou sur un tube ou analogue afin de distribuer des liquides

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3490658A (en) * 1968-02-08 1970-01-20 Gilbert Schwartzman Aerosol product residue eliminator
US3754690A (en) * 1970-11-18 1973-08-28 Ethyl Dev Corp Flexible container with dispensing cap
US3948285A (en) * 1975-01-29 1976-04-06 Rain Bird Sprinkler Mfg. Corporation Pressure and flow regulation device
US4182496A (en) * 1977-12-16 1980-01-08 Ethyl Products Company Actuator button for fluid dispenser
JPH0752980A (ja) * 1993-04-27 1995-02-28 Seiichi Kitabayashi 噴出口自動閉鎖機構を有する噴出頭構造体と噴出口自動閉鎖 機構を有する噴出頭構造体のダイヤフラム式噴出口自動閉鎖 機構のダイヤフラムと噴出口自動閉鎖機構を有する噴出頭構 造体のダイヤフラム式噴出口自動閉鎖機構の噴出口自動閉鎖 方法
US5529278A (en) * 1993-11-19 1996-06-25 Novoste Corporation Fluid access and flow control valve
DE4444399A1 (de) * 1994-12-14 1996-07-25 Praezisions Werkzeuge Ag Ausgabekopf
US5732855A (en) * 1995-03-06 1998-03-31 Park Towers International B.V. Spray head intended for a spray can, and spray can provided with such a spray head
FR2743353B1 (fr) * 1996-01-08 1998-03-27 Sofab Embout de distribution de produits liquides ou pateux
FR2775262B1 (fr) * 1998-02-25 2000-05-12 Oreal Tete de distribution pour la distribution d'un produit et ensemble de distribution sous pression equipe de cette tete
DE20010014U1 (de) * 2000-06-03 2000-08-10 Lindal Gmbh Aerosol Tech Abgabekopf für eine pastöse Substanz enthaltende Druckpackung
DE20307819U1 (de) * 2003-05-20 2003-08-14 Lindal Ventil Gmbh Spenderanordnung
US7296782B2 (en) * 2004-10-01 2007-11-20 Halkey-Roberts Corporation Dome check valve

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2543920A1 (fr) * 1983-04-11 1984-10-12 Dore Pierre Dispositif d'obturation de flacon ou bouteille deformable a capsule auto-etanche a clapet
GB2260535A (en) * 1991-10-19 1993-04-21 Coda Plastics Ltd Valved dispensing closure
EP1384676A2 (fr) * 2002-07-26 2004-01-28 Masuda Masatoshi Mécanisme de soupape pour un conteneur de liquide de type tube
WO2004094256A1 (fr) * 2003-04-23 2004-11-04 Hugo Nilsson Appareil de distribution monte sur un recipient ou sur un tube ou analogue afin de distribuer des liquides

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2371732A1 (fr) * 2010-03-30 2011-10-05 BodyPak Closures Limited Moyen de fermeture comportant un clapet à ressort

Also Published As

Publication number Publication date
CA2569119C (fr) 2010-07-13
DE102005057822B4 (de) 2009-08-13
ATE433923T1 (de) 2009-07-15
ES2328840T3 (es) 2009-11-18
US8292199B2 (en) 2012-10-23
US20070125806A1 (en) 2007-06-07
CA2569119A1 (fr) 2007-06-03
DE502006003982D1 (de) 2009-07-30
DE102005057822A1 (de) 2007-06-06
EP1792841B1 (fr) 2009-06-17

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