EP0857149A2 - Spender für flüssige oder pastöse Produkte - Google Patents

Spender für flüssige oder pastöse Produkte

Info

Publication number
EP0857149A2
EP0857149A2 EP96934958A EP96934958A EP0857149A2 EP 0857149 A2 EP0857149 A2 EP 0857149A2 EP 96934958 A EP96934958 A EP 96934958A EP 96934958 A EP96934958 A EP 96934958A EP 0857149 A2 EP0857149 A2 EP 0857149A2
Authority
EP
European Patent Office
Prior art keywords
piston
tank
end piece
internal
duct
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
EP96934958A
Other languages
English (en)
French (fr)
Other versions
EP0857149B1 (de
Inventor
Jean-Louis Bougamont
Pierre Dumont
Pierre Amiel
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.)
S O F A B
Albea Le Treport SAS
Original Assignee
S O F A B
Sofab SA
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 S O F A B, Sofab SA filed Critical S O F A B
Publication of EP0857149A2 publication Critical patent/EP0857149A2/de
Application granted granted Critical
Publication of EP0857149B1 publication Critical patent/EP0857149B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • 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
    • B65D83/0005—Containers or packages provided with a piston or with a movable bottom or partition having approximately the same section as the container
    • B65D83/0044—Containers or packages provided with a piston or with a movable bottom or partition having approximately the same section as the container the piston having a dispensing opening formed in the piston

Definitions

  • the present invention relates to a dispenser for liquid or pasty products.
  • dispensers comprising in particular a product reservoir surmounted on the one hand, by a nozzle provided with an internal evacuation duct and equipped, on the other hand, with means for withdrawing the product provided with a valve 'exhaust.
  • the product is withdrawn from the reservoir by means of a pump having an intake valve which, with the exhaust valve, delimits a chamber inside the pump body.
  • This chamber is capable of being first placed under vacuum to suck product into the tank and then under pressure to expel said product outside.
  • the product must completely fill the volume of the reservoir to subsequently avoid the appearance of air bubbles and malfunction by defusing.
  • the aim of the present invention is to solve the above technical and economic problems by seeking a device in which the number of constituent parts is reduced and which is capable of ensuring both simple and leaktight packaging, as well as reliable product distribution. .
  • a dispenser of liquid or pasty products of the type comprising in particular a product reservoir surmounted, on the one hand, by a nozzle provided with an internal evacuation duct. and equipped, on the other hand, with means for withdrawing the product provided with an exhaust valve, characterized in that said withdrawal means comprise a piston housed in the tank and traversed by an axial duct connected to a nozzle tube, the lower end delimits with said conduit axial an inlet orifice and the upper end of which is integral with said end piece forming a pusher which bears directly or indirectly on the external face of the piston to put the tank under pressure.
  • the external face of said piston comprises a socket delimiting with the internal lateral wall of the reservoir a peripheral space in which the lower lateral part of the endpiece is engaged.
  • the upper edge of the reservoir is provided with a shoulder under which is engaged a peripheral flange formed on the lower lateral edge of the end piece.
  • said nozzle consists on the one hand of a dispensing head provided with said internal evacuation conduit communicating at its lower part with the nozzle tube and extending, on the other hand, towards the reservoir by a skirt lateral.
  • the reservoir is provided with an internal lateral jacket.
  • the dispenser prefferably has a removable cover intended to cover the end piece.
  • This cover is telescopically fitted on the upper part of the internal jacket by being flush with the external lateral wall of the tank. Its internal side wall is also provided with a longitudinal groove forming a vent.
  • said endpiece is movable axially and relative to the piston while being returned to the remote position by a spring bearing on the external face of the piston.
  • the spray tube is then formed of a hollow rod slidably engaged in the axial duct of the piston and the lower end of which projects inside the reservoir regardless of the position of the nozzle.
  • the lower end of the spray tube is closed off by a solid base of enlarged section intended to come into leaktight support when the end piece is brought back against the internal rim of the axial duct, thereby forming the exhaust valve. .
  • said inlet orifice opens laterally at the lower end of the spray tube, on either side of its central axis.
  • said axial duct ends at its outer end with a hemispherical cap pierced with a central ejection orifice with elastically deformable edges intended to be closed in a closed position by an axial finger integral with the nozzle and forming an exhaust valve.
  • the spray tube is then fitted onto the axial duct and bears by its lower edge on the external face of the piston.
  • the nozzle tube is fitted into the axial duct and is supported by a peripheral shoulder on the external face of the piston.
  • the internal evacuation pipe of the endpiece is provided with the exhaust valve which then consists of a rod carrying on the one hand at its external end a cup whose lateral flank forms a lip elastically deformable device and, on the other hand, at its internal end a fixing crosspiece in said evacuation duct.
  • the piston prefferably has a substantially bell-shaped cross section; with a peripheral lip sealingly pressed against the internal wall of the tank. If necessary, the axial duct of the piston projects towards the inside of the reservoir and the bottom of the reservoir has a profile complementary to that of the internal face of the piston to ensure complete evacuation of the product.
  • Another object of the invention is a process for packaging the product inside the previous dispenser, characterized in that the product reservoir is filled and, at the same time, the closure and sampling system is mounted by fixing the end piece on the piston with, if necessary, an intermediate spring, then introducing the assembly thus formed in the jacket until the flange of the end piece comes into abutment from the inside against the shoulder of the jacket, and by covering the end piece with the cover, then the obturation and withdrawal system is assembled on the tank by sliding the jacket in contact with the internal wall of the tank with radial tightening.
  • the dispenser of the invention makes it possible to ensure both perfectly sealed packaging and reliable ejection of the product with technically simple and therefore economical means.
  • this distributor does not present any risk of defusing since it is the tank which is itself pressurized.
  • the sample is taken at the request of the user and, continuously, without any dosage of the product.
  • the quantity of product delivered therefore depends only on the duration and the force of support on the end piece forming a pusher.
  • FIG. 2 shows a cross-sectional view of a second embodiment of the dispenser of the invention
  • FIG. 3 shows a cross-sectional view of a third embodiment of the dispenser of the invention
  • Figure 4 shows a detailed sectional view of the dispenser of Figure 3;
  • FIG. 5a, 5b and 5c show cross-sectional views of the dispenser of the invention during operation;
  • FIGS 6a to 6d show cross-sectional views of the components of the dispenser of the invention when packaging the product.
  • the dispenser shown in Figures la and lb comprises a reservoir 1 of product.
  • the reservoir 1 is surmounted by a nozzle 2 provided with an internal discharge conduit 2a.
  • the means for withdrawing the product from the reservoir 1 notably comprise a piston 3 housed inside the reservoir 1.
  • the piston 3 is crossed by an axial duct 30 connected to a nozzle tube 4 which, in this embodiment, is consisting of a hollow rod.
  • the piston 3 is axially movable in the tank 1 by pressing on the nozzle 2.
  • the lower end 4a of the tube 4 delimits, with the axial duct 30, an inlet orifice 40, while its upper end 4b is provided with an ejection orifice 41 and is integral with the end piece 2.
  • the lower end 4a of the spray tube 4 is closed by a solid base 42 whose cross section is wider than that of the axial duct 30.
  • the base 42 is intended to come into sealing contact when closing against the internal rim of the axial duct 30 thereby forming the exhaust valve.
  • the reservoir 1 is lined with an internal lateral jacket 10 in radial clamping.
  • the axial duct 30 projects towards the inside of the reservoir 1 and the bottom lb of said reservoir has a profile complementary to that of the internal face 3b of the piston 3 to ensure complete evacuation of the product.
  • the piston 3 preferably has a substantially bell-shaped section with a peripheral lip 32, folded towards the inside of the reservoir 1 and in sealed support against its internal wall or that of the jacket 10.
  • the end piece 2 therefore forms a manual pusher which is supported, here via a spring 5, on the external face 3a of the piston 3 to put the tank 1 under pressure.
  • the end piece 2 consists, on the one hand, of a dispensing head 20 provided with the internal evacuation duct 2a which communicates at its lower part with the ejection orifice 41 of the nozzle tube 4.
  • the head 20 is extended towards the reservoir by a side skirt 21, the lower edge of which is provided with a peripheral flange 22.
  • the dispenser further comprises a removable cover 6 intended to cover the end piece 2.
  • the cover 6 is telescopically fitted onto the upper part of the jacket 10 by being flush with the external lateral wall of the reservoir 1.
  • the internal lateral wall of this nozzle is provided with a longitudinal groove 9 forming a vent during the packaging of the product (see FIG. 6c).
  • the end piece 2 is here movable axially and relative to the piston 3, being returned to the upward position by the spring 5.
  • the external face 3a of the piston 3 comprises a sleeve 31 which delimits with the internal lateral wall the of the reservoir or of the jacket
  • the spring 5 is housed and wedged in the sleeve 31 by coaxially surrounding the nozzle tube 4.
  • the upper edge of the jacket 10 (or where appropriate of the reservoir 1) is provided with a shoulder 11 under which is held the peripheral flange 22 formed on the lateral lower edge of the end piece 2.
  • the flange 22 moves, during the compression of the spring 5, as shown in FIGS. 5a to 5c, in the peripheral space 12 while being guided by the respective walls of the sleeve 31 of the jacket 10 until possibly coming in stop down, against the edge of the external face 3a of the piston 3.
  • the nozzle tube 4 slides in the axial duct 30 to release the intake orifice 40 carried by its lower end 4a and opening laterally on the tube 4 on either side of the central axis.
  • the spring 5 reaches a compression level (depending on its stiffness)
  • the force is transmitted indirectly, via the spring 5, to the piston 3 which then moves downwards to compress the product.
  • the latter under the effect of pressure, then escapes through the inlet port 40, then through the nozzle tube 4 to the discharge duct 2a.
  • the tank 1 is then closed again and the product is isolated from the outside.
  • the respective heights of the skirt 21 and of the sleeve 31, as well as the stiffness of the spring 5 are determined relative to each other so that the upper edge of the bush 31 of piston 3 comes to bearing stop directly against the head 20 of the end piece 2 or, according to another variant (not shown), that the lower edge of the skirt 21 abuts directly against the external face 3a of the piston 3, before the spring 5 has not reached its compression level.
  • This configuration with direct support on the piston 3 limits the stroke of the nozzle 2 and leads to a more frank evacuation of the product.
  • the distributor shown in FIG. 2 corresponds to a second embodiment in which the end piece 2 is fixed relative to the piston 3.
  • the nozzle tube 4 which is here in one piece with the end piece 2, bears directly, by its lower edge 4a, on the external face 3a of the piston 3 and is connected by fitting on the axial duct 30.
  • the axial duct 30 extends outside the reservoir 1 beyond the external face 3a of the piston 3 and ends at its upper external end with a hemispherical cap 33.
  • the cap 33 is axially pierced with an orifice d central ejection
  • the tube 4 which is rigid, then ensures the axial retention of said conduit.
  • the ejection orifice 34 is intended to be closed in a closed position by an axial finger 23 integral with the end piece 2 and extending towards the piston 3 while being attached to the dispensing head 20.
  • the user By pressing on the head 20 of the nozzle 2, the user pushes the piston 3 which then compresses the product.
  • the latter fills the axial duct 30 inside the tube 4 before escaping under the effect of the pressure around the finger 23 towards the duct 2a by elastically deforming the contours of the ejection orifice 34.
  • the edges of the ejection orifice 34 close automatically and of sealed material around the finger 23.
  • the distributor shown in FIG. 3 corresponds to a third embodiment in which the end piece 2 is still fixed relative to the piston 3.
  • the nozzle tube 4 is in one piece with the end piece 2 being integral with the head distributor 20.
  • the tube 4 is connected to the axial duct 30 of the piston 3 by sealed fitting inside the duct 30 and is supported by a peripheral shoulder 43 on the external face 3a of the piston 3 at the rim of said duct 30.
  • the ejection orifice 41 of the tube 4 is located at the junction with the internal evacuation duct 2a of the nozzle 2.
  • the inlet 40 is located at the lower end 4a of the tube 4 and has a narrowed section relative to that of the axial duct 30 due to the interlocking.
  • the exhaust valve 7 is here an independent element arranged in an enlarged housing 27 formed in the internal evacuation duct 2a of the nozzle 2.
  • This valve consists, as shown in Figure 4, of a rod 70 carrying at its outer end a cup 71, whose lateral flank 71a, oriented towards the outlet of the conduit 2a, forms an elastically deformable peripheral lip in sealed support in a closed position (shown in phantom in the figure) against the wall of the housing 27.
  • the valve 7 is retained in the housing 27 by means of a peripheral cross 8 fixed around the internal end of the rod 70 and hung on the internal wall of said housing.
  • the product then comes to elastically deform the peripheral lip 71a to release a lateral outlet passage towards the outside as shown in solid lines in FIG. 4.
  • the lip 71a resumes elastically a sealing position inside the housing 27.
  • the dispenser of the invention is delivered in the form of two components intended to be assembled as shown in FIGS. 6a to 6d by the conditioner of the product P.
  • the first component consists of the reservoir 1 itself (FIG. 6a).
  • the second component consists of the obturation and withdrawal system comprising the end piece 2 capped, on the one hand, by the cover 6, fixed, on the other hand, on the piston 3 with, if necessary, the intermediate spring 5 , and also lined with the jacket 10.
  • the piston 3 secured to the endpiece is first introduced into the jacket 10 through its lower opening. During this operation, the lip 32 of the piston 3, oriented in the opposite direction to the direction of introduction, slides along the internal wall of the jacket 10 without being damaged until the flange 22 comes into abutment with the inside against shoulder 11.
  • the closure and sampling system is mounted on the said reservoir by direct pressing on the cover 6 (FIG. 6c).
  • the internal sleeve 10 then slides in the reservoir 1, in tight contact with its internal wall, until its lower edge 10a abuts against the bottom lb (FIG. 6d) or, according to a variant (not shown), on a shoulder provided for this purpose. Assembly is carried out either under vacuum or in the atmosphere and compressed air and then escapes through the valve exhaust, then through the vent 9 of the cover 6. In the latter case, it is advisable not to completely fill the tank 1.
  • the final tightening between the jacket 10 and the tank 1 must be sufficient to ensure a final assembly. components together but it must also be greater than the tightening of the cover 6 on the end piece 2 so that the removal of said cover does not cause the separation of the jacket 10 from the tank 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Jellies, Jams, And Syrups (AREA)
  • Closures For Containers (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Reciprocating Pumps (AREA)
  • Manufacturing And Processing Devices For Dough (AREA)
  • Noodles (AREA)
EP96934958A 1995-10-23 1996-10-23 Spender für flüssige oder pastöse Produkte Expired - Lifetime EP0857149B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9512432A FR2740118B1 (fr) 1995-10-23 1995-10-23 Distributeur de produits liquides ou pateux
FR9512432 1995-10-23
PCT/FR1996/001656 WO1997015509A2 (fr) 1995-10-23 1996-10-23 Distributeur de produits liquides ou pateux

Publications (2)

Publication Number Publication Date
EP0857149A2 true EP0857149A2 (de) 1998-08-12
EP0857149B1 EP0857149B1 (de) 1999-09-01

Family

ID=9483799

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96934958A Expired - Lifetime EP0857149B1 (de) 1995-10-23 1996-10-23 Spender für flüssige oder pastöse Produkte

Country Status (15)

Country Link
US (1) US6010036A (de)
EP (1) EP0857149B1 (de)
JP (1) JP3612079B2 (de)
KR (1) KR100462967B1 (de)
CN (1) CN1068852C (de)
AT (1) ATE183983T1 (de)
AU (1) AU7307796A (de)
BR (1) BR9611338A (de)
CA (1) CA2234644C (de)
DE (1) DE69604079T2 (de)
ES (1) ES2137729T3 (de)
FR (1) FR2740118B1 (de)
HK (1) HK1017327A1 (de)
MX (1) MX9803159A (de)
WO (1) WO1997015509A2 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2789371B1 (fr) * 1999-02-05 2001-04-27 Sofab Distributeur de produits chimiquement instables
US6308865B1 (en) * 2000-10-24 2001-10-30 Hui-Yu Lin Container-mounted pump means with external restoring spring
WO2002068317A1 (en) * 2001-02-21 2002-09-06 Cohen Ben Z Accurate dosing pump and accessories therefor
FR2821831B1 (fr) * 2001-03-06 2003-08-01 Airlessystems Distributeur echantillon de produit cosmetique fluide
ATE522278T1 (de) * 2001-05-23 2011-09-15 Cohen Ben Z Feindosierungspumpe
FR2852934B1 (fr) * 2003-03-27 2005-12-23 Rexam Dispensing Sys Distributeur de produit comprenant une pompe a actionnement par poussoir
KR100525455B1 (ko) * 2003-11-26 2005-11-04 쓰리애플즈코스메틱스 주식회사 노즐헤드 하강형 진공타입 화장품 용기의 정량 토출구조
JP2007515353A (ja) * 2003-12-22 2007-06-14 バルワー エス．アー．エス． 流体投与部材、およびそうした部材を有する投与装置
WO2006037112A2 (en) 2004-09-27 2006-04-06 Medical Instill Technologies, Inc. Laterally-actuated dispenser with one- way valve for storing and dispensing metered amounts of substances
JP4668671B2 (ja) * 2005-04-19 2011-04-13 釜屋化学工業株式会社 吐出容器
KR100766816B1 (ko) 2006-01-18 2007-10-17 주식회사 다린 내용물 정량 토출과 누액방지 및 변질방지 기능을 갖는에어리스 타입 화장품 용기
WO2008061041A2 (en) 2006-11-11 2008-05-22 Medical Instill Technologies, Inc. Multiple dose delivery device with manually depressible actuator and one-way valve for storing and dispensing substances, and related method
TW200836986A (en) * 2007-03-02 2008-09-16 guo-zhong Fang Pumping-type container bottle
US20090008413A1 (en) 2007-04-17 2009-01-08 Choi Hee Jin Airless dispensing pump container with an airtight push down type nozzle head
TW201113203A (en) * 2009-10-09 2011-04-16 guo-zhong Fang Container bottle
US20110240677A1 (en) * 2010-03-03 2011-10-06 Walter Dwyer Airless double-piston double-action pump and cosmetics bottle dispensing device
DE102010048085A1 (de) * 2010-10-04 2012-04-05 Ing. Erich Pfeiffer Gmbh Austragvorrichtung
GB2508862A (en) * 2012-12-13 2014-06-18 Tlc Design Ltd Piston incorporating valve controlling flow of fluid from storage cylinder
WO2022261918A1 (en) * 2021-06-18 2022-12-22 The Procter & Gamble Company Pump dispenser system

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Publication number Priority date Publication date Assignee Title
US1783419A (en) * 1929-04-30 1930-12-02 Fred W Fitch Dispenser charge-regulating device
GB1062295A (en) * 1965-02-18 1967-03-22 Beecham Group Ltd Improvements relating to dispensers
DE7908402U1 (de) * 1979-03-24 1979-06-28 Wella Ag, 6100 Darmstadt Einhandbetaetigbare abgabevorrichtung fuer pastenartige substanzen
US4646947A (en) * 1985-11-14 1987-03-03 Gene Stull Hand-held dispenser with automatic cap venting
DE4008068A1 (de) * 1990-03-14 1991-09-19 Pfeiffer Erich Gmbh & Co Kg Austragvorrichtung fuer medien
FR2674024B1 (fr) * 1991-03-11 1994-03-11 Daniel Crosnier Dispositif doseur adaptable sur des contenants divers.
FR2674747B1 (fr) * 1991-04-05 1993-07-30 Step Soc Tech Pulverisation Dispositif distributeur de gouttes de petit volume, notamment pour soins ophtalmologiques.
US5620113A (en) * 1992-05-22 1997-04-15 Meshberg; Philip Dispenser and method of its use
FR2740114B1 (fr) * 1995-10-19 1998-01-02 Innovation Rech Plastique Sa Dispositif de conditionnement d'un produit avec bague de support d'une pompe manuelle de distribution en doses unitaires

Non-Patent Citations (1)

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Title
See references of WO9715509A2 *

Also Published As

Publication number Publication date
CN1200096A (zh) 1998-11-25
DE69604079T2 (de) 2000-03-02
ATE183983T1 (de) 1999-09-15
CA2234644A1 (en) 1997-05-01
ES2137729T3 (es) 1999-12-16
FR2740118B1 (fr) 1998-02-20
US6010036A (en) 2000-01-04
FR2740118A1 (fr) 1997-04-25
HK1017327A1 (en) 1999-11-19
DE69604079D1 (de) 1999-10-07
BR9611338A (pt) 1999-12-28
CA2234644C (en) 2005-08-23
KR100462967B1 (ko) 2005-06-08
AU7307796A (en) 1997-05-15
WO1997015509A2 (fr) 1997-05-01
EP0857149B1 (de) 1999-09-01
KR19990066973A (ko) 1999-08-16
JPH11513642A (ja) 1999-11-24
MX9803159A (es) 1998-11-30
JP3612079B2 (ja) 2005-01-19
CN1068852C (zh) 2001-07-25
WO1997015509A3 (fr) 1997-06-26

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