EP2300171A1 - Amelioration d'une pompe pour distributeur a reservoir sans air - Google Patents
Amelioration d'une pompe pour distributeur a reservoir sans airInfo
- Publication number
- EP2300171A1 EP2300171A1 EP08874377A EP08874377A EP2300171A1 EP 2300171 A1 EP2300171 A1 EP 2300171A1 EP 08874377 A EP08874377 A EP 08874377A EP 08874377 A EP08874377 A EP 08874377A EP 2300171 A1 EP2300171 A1 EP 2300171A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- dispensing head
- sleeve
- bellows
- pumping device
- pumping
- 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
Links
- 238000005086 pumping Methods 0.000 claims abstract description 61
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 238000009826 distribution Methods 0.000 claims abstract description 4
- 239000012263 liquid product Substances 0.000 claims description 13
- 239000012528 membrane Substances 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 3
- 238000005304 joining Methods 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000002787 reinforcement Effects 0.000 claims description 2
- 239000007788 liquid Substances 0.000 description 5
- 238000005192 partition Methods 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 239000012530 fluid Substances 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 241000239290 Araneae Species 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 239000002537 cosmetic Substances 0.000 description 2
- 239000006071 cream Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 241000782128 Albizia adianthifolia Species 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/0005—Components or details
- B05B11/0062—Outlet valves actuated by the pressure of the fluid to be sprayed
- B05B11/007—Outlet valves actuated by the pressure of the fluid to be sprayed being opened by deformation of a sealing element made of resiliently deformable material, e.g. flaps, skirts, duck-bill valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/0005—Components or details
- B05B11/0062—Outlet valves actuated by the pressure of the fluid to be sprayed
- B05B11/0075—Two outlet valves being placed in a delivery conduit, one downstream the other
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
- B05B11/02—Membranes or pistons acting on the contents inside the container, e.g. follower pistons
- B05B11/028—Pistons separating the content remaining in the container from the atmospheric air to compensate underpressure inside the container
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
- B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
- B05B11/1028—Pumps having a pumping chamber with a deformable wall
- B05B11/1035—Pumps having a pumping chamber with a deformable wall the pumping chamber being a bellow
Definitions
- the invention relates to the field of dispensers for medium or high viscosity products, such as cosmetics, such as gel or cream, which need to be kept out of the air.
- the invention relates more particularly to an improved pump, fed for example by a variable capacity tank piston.
- variable airless tank dispensers known as "airless”, comprising an elastic bellows as a driving element for pumping.
- Patent EP 0738 543 describes, for example, a viscous product dispenser comprising an airless reservoir, making it possible to keep the product to be dispensed, away from the air.
- the sealing constraints require an arrangement of many parts to achieve sealing of the pumping chamber. The large number of parts increases the cost of manufacture and also increases the difficulty and the assembly time of the dispenser.
- the present invention aims to overcome one or more of the disadvantages of the prior art, by providing an improved pumping device for a good seal, including the pumping chamber, while reducing its number of constituent parts.
- a pumping device in a liquid product dispenser of medium to high viscosity comprising at least:
- a liquid product reservoir comprising a feed opening associated with a non-return valve and opening into a pumping chamber partially formed inside an elastic bellows;
- a movable dispensing head comprising a dispensing orifice connected by bearing means, with the bellows in extension or in compression, characterized in that the bellows comprises, at its end at the outlet of the pumping chamber, a ring receiving ring forming a transverse shoulder connected to the wall of the bellows and releasing, in the middle, a passage, the shoulder extending at its periphery by a cylindrical portion, the dispensing head comprising an outlet duct, communicating with the dispensing orifice and opening inside a hollow organ, a valve comprising at least:
- a flexible elastic membrane connected at its periphery to a retaining ring, the elastic membrane comprising at least one curved part towards the outside of the pumping chamber, the convex part comprising at least one slot sharing the curved part in at least two portions,
- a sleeve extending the ring outside the pumping chamber, coming into sealing contact with an external peripheral surface of the hollow member, the portions of the curved part deviating during compression of the bellows by a support on the dispensing head to expel the liquid product through the dispensing orifice, the portions of the curved portion joining to reduce the passage during an extension of the bellows pushing the dispensing head and achieve a suction of liquid product in the pumping chamber, through the feed opening.
- the portions of the curved portion meet edge to edge.
- the hollow member comprises a tube surrounded by a cylindrical surface internal to the dispensing head, the inner cylindrical surface being disposed at a determined radial distance from the tube forming a housing space of the sleeve.
- the internal cylindrical surface of the dispensing head is linked to oblique inner reinforcements widening progressively towards a bottom of the housing space of the sleeve.
- the sleeve comprises, at its end, a widening portion radially outwardly of the sleeve, forming a frustoconical outer surface.
- the sleeve supported by its end on the dispensing head, has a predetermined thickness stiffening the sleeve which transmits a compressive force or extension between the bellows and the dispensing head.
- the cylindrical surface internal to the dispensing head is connected to a bearing shoulder on the receiving ring.
- the sleeve ends with a flexible edge curved towards the inside of the sleeve.
- the retaining ring is extended by radial arms spaced apart from each other, supporting a rod pressing at the end of travel on the valve of the supply opening.
- the domed portion of the membrane is extended by a narrowing extending through the retaining ring, the narrowing being formed by two frustoconical portions interconnected by their smaller diameter edge.
- the valve is made in one piece by molding.
- the bellows and the receiving ring are made, by molding, in one piece also comprising a movable disc held by resilient arms and disposed opposite the feed opening to achieve its anti-lock valve. return.
- the dispensing head comprises a cylindrical outer surface sliding in a cylindrical guide connected to the reservoir, an edge -draftede at the end of the cylindrical outer surface of the dispensing head, abutting against an inner edge of the cylindrical guide.
- FIG. 1 shows a sectional view of an example of a dispenser according to the invention
- FIG. 2 each show an exemplary sectional view of an elastic valve mounted on a bellows and in a dispensing head according to the invention
- FIG. 8 represents a view from below of an example of a dispensing head
- FIG. 11 shows a sectional view of an exemplary spring valve mounted on a bellows and in a dispensing head according to the invention.
- a liquid product of medium to high viscosity such as for example a cosmetic product, of the gel or cream type, which must be kept out of the air, is stored in a tank of variable capacity corresponding to the quantity of product stored.
- US Pat. No. 5,152,434 for example describes such a tank in a dispenser comprising a pumping chamber fed by a reservoir arranged in a cylinder and limited by a movable piston.
- a piston (20) is movable disposed opposite a liquid opening (21) and slides in a cylinder (22), the cylinder (22) and the piston (20) defining the reservoir (2).
- the tank (2) feeds a chamber (3) for pumping through the supply opening (21) with non-return valve.
- the non-return valve prevents the liquid product from circulating from the pumping chamber (3) to the reservoir (2) and allows a liquid flow from the reservoir (2) to the pumping chamber (3).
- the piston (20) comprises a lower threaded hole (23) for filling the reservoir (2). The threaded hole (23) is then closed by a plug (24).
- the non-return check valve includes, but is not limited to, a movable disk (41) disposed near the feed opening (21) in the pumping chamber (3).
- the mobile disc is flexible and comprises arms (421, 422) on its periphery, of width and thickness determined to have an elasticity allowing the disc (41) to be pressed against the opening (21). ) power supply.
- the disk (41) at rest, is maintained at a distance close to the feed opening.
- the arms (421, 422) of the disk are straight, as shown in Figure 9, or in the form of "S", as shown in Figure 10.
- an elastic split disc is disposed in the pumping chamber and is supported on a spider disposed in the feed opening (21), portions of the split disc moving away from the spider to allow the fluid to pass through. pump.
- This split disk is, for example, arranged in the extension of the wall of the pumping chamber, made by the partition common with the bottom of the cylinder, comprising the opening (21) of supply.
- the thickness of the split disk determines, for example, its elastic properties.
- the pumping chamber (3) is formed in part by an elastic bellows member integrally molded.
- the bellows member comprises, for example, a portion (44) median plastic deformable, made accordion.
- This medial portion (44), also called bellows, is, for example, compressed under the action of a user and returns to the uncompressed position due to its elastic properties.
- the portion (44) elastic median is, for example, extended on one side by a ring (43) bearing cylinder against the bottom of the cylinder (22).
- This cylindrical ring (43) is, for example, inserted into a cylindrical housing (26) of the cylinder (22) of the tank, around the opening (21) of supply.
- the ring (43) cylinder widens at the junction with the portion (44) medial accordion that forms the elastic bellows, to allow to exert a force of insertion of the bellows member in the housing of the reservoir cylinder (22).
- the movable disk (41) for closing the opening (21) with its support arms (421, 422) elastic support are made in one piece with the bellows member.
- the resilient arms (421, 422) holding the movable disk (41) are, for example, connected to the inner wall of the cylindrical ring (43) inserted into the housing (26) around the feed opening (21). .
- the elastic medial portion (44) accordion producing the bellows for example is extended on the side opposite the reservoir (2), by a ring (45, 46) for receiving an elastic valve which will be described later.
- the ring (45, 46) receiving the elastic valve comprises, for example, a cylinder (45) for radial support on the valve.
- the cylinder (45) is extended, for example, by a ring (46) of a fixed thickness, limited by an outer circle belonging to the cylinder (45).
- the flat crown (46) is bounded by an inner circle making a passage of the liquid forced out.
- the elastic middle part (44) joins, for example the ring (45, 46) for receiving the valve at its crown (46).
- the ring (46) allows a transverse support of the valve.
- the valve relies, for example, on the walls of the receiving ring which provides a housing, sealingly.
- the cylindrical ring (43) insertion into the housing (26) of the cylinder (22) of the reservoir, the portion (44) elastic median and the ring (45, 46) for receiving the valve are realized of revolution about a central axis of the bellows member.
- FIGS. 5, 6, and 7. Examples of a single elastic valve are shown, in a nonlimiting manner, in FIGS. 5, 6, and 7.
- the valve disposed at the outlet of the pumping chamber comprises a portion (51) curved towards the outside of the chamber (3) pumping and slit.
- the curved portion (51) comprises one or more slots (F) for viscous liquid passage. Two slots (F) intersect for example at the top of the portion (51) curved.
- this portion (51) of the outlet valve makes it possible to close the pumping chamber during suction, while resisting suction in the chamber (3) for pumping.
- a suction in the pumping chamber (3) clamps the slit portions against each other, the curved portion (51) being then stressed and sealed.
- the portion (51) curved and slotted of the outlet valve opens, since a thrust force is exerted on the part (51). curved, towards the outside of the chamber (3) pumping.
- the slots provide, for example, different portions deviating outwardly or remaining tight together, sealingly. At rest the elasticity of the outlet valve tends to close the split crown.
- the curved portion (51) has a profile in the form of a vault or a portion of a circle, as shown in FIGS. 5 and 6, or a bell-shaped profile, as represented in FIG. 7.
- the curved portion (51) is extended at its periphery by a retaining ring (52) or by a narrowing, itself extended by the retaining ring (52).
- the narrowing (59), shown for example in Figure 6, comprises two frustoconical portions joined by their small diameter edge.
- the narrowing is linked on the one hand to the curved portion (51) and on the other hand to the retaining ring (52).
- This narrowing (59) of determined thickness, associated with the portion (51) convex, allows, for example, to determine the elasticity of the outlet valve.
- the domed and slotted portion (51) is bonded to the retaining ring (52) held tightly around the receiving ring (45, 46).
- the curved portion (51) opens, the retaining ring (52) then being clamped in the receiving ring of the compression member. bellows.
- the retaining ring is held radially and transversely in the housing of the bellows member.
- the junction between the retaining ring and the receiving ring of the bellows member thus remains sealed.
- the retaining ring (52) is further extended, opposite the pumping chamber (3), by a sleeve (534, 535, 536) inserted in the dispensing head, to make a tight connection. between the outlet of the pumping chamber (3) and an outlet of the dispensing head.
- the ring (52) for maintaining is extended radially by arms (58) supporting a rod (57) disposed in 'the chamber (3) for pumping and oriented disk (41) movable closing the opening (21) supply.
- the arms (58) supporting the rod (57) and arranged in the chamber (3) pumping, for example, are distributed around the rod (57) with liquid passage spaces arranged between the arms (58) consecutive.
- the rod (57) allows, for example, when the bellows is compressed, to make a support of the disc (41) movable against the opening (21) supply.
- the closure of the feed opening (21) is secured by the rod (57) disposed in the bellows, under the curved portion (51).
- the dispenser comprises a blocking element in the compressed position, allowing the user to release the dispensing head held down by the blocking element.
- the rod (57) then remains supported on the disk (41) movable, thus closing the opening (21) of supply. Blocking elements in the compressed position will be described later.
- the sleeve (534, ⁇ 535, 536) which extends the ring (52) of support is supported by its inner wall against the outer wall of a portion (65) of tube belonging to the head (6) distribution.
- the sleeve (534, 535, 536) is extended, for example, by a thickened end (54, 56) or a curved end (56), to seal between the sleeve (534, 535, 536) and the (65) of tube.
- the tube portion communicates firstly with the curved portion (51) providing the outlet of the chamber (3) for pumping and secondly with an outlet duct (61) through an outlet orifice (612).
- the dispensing head comprises, for example, an outer cylinder (63) disposed around the tube portion (65) and spaced apart by a determined radial distance for accommodating the sleeve between the outer cylinder (63) and the portion (65). of tube.
- this housing space of the sleeve narrows at its end to tighten the end (54, 55) of the sleeve.
- the end of the sleeve is, for example frustoconical and widens outwardly of the sleeve towards its end.
- the end (54, 55) of the sleeve is then clamped in its housing and the inner face of the sleeve is pressed sealingly against the outer face of the tube portion (65) of the dispensing head.
- the sleeve (534, 535, 536) comprises an end (56) curved towards the inside of the sleeve, as shown in FIG. 7.
- This end (56) is for example made thinner in order to be able to be extended around your portion (65) of tube and grip this portion of tube tightly.
- the portion (51) curved is disposed close to the orifice (612) outlet.
- the top of the curved portion (51) is, for example, disposed at the same level as the end of a sleeve (537, 537) and close to the inner wall of the partition realizing the upper outer surface (S6) of support of the dispensing head.
- the volume of the internal space to the distributor, between the outlet (F) of the chamber and the orifice (611) outlet is thus minimized.
- the end of the sleeve is widened to a determined height to strengthen the sleeve with its end, to transmit a force exerted by the user on the top (S6) of the dispensing head.
- the sleeve transmits this force to the support ring (52) bearing on the bellows member which undergoes a compressive force.
- the bellows member elastically relaxes and pushes the dispensing head through the retaining ring (52) and the sleeve.
- the dispensing head held by its outer rim (62), is in a position in which the bellows and the sealing edge are slightly compressed, at rest.
- the cylinder (63) outside the dispensing head comprises an inner shoulder (66) directly bearing on the bellows member.
- the shoulder (66) as shown in Figure 1, for example bears on the end of the ring (45, 46) for receiving the valve.
- the sleeve then seals on the portion (65) of tube, without transmitting compressive force and return to uncompressed position.
- the outlet conduit (61) opens, for example, outside the dispensing head, through the orifice (611) distribution.
- the outlet conduit (61) opens on the other hand, inside the dispensing head, through the outlet orifice (612) surrounded by the portion (65) of tube.
- the dispensing head is guided laterally by a cylindrical partition (25) extending the bottom of the cylinder (22) of the tank.
- the end of the outer cylinder (63) of the dispensing head comprises, for example, a flange (62) oriented towards the outside of the dispensing head, this flange being locked against a flange (251) facing towards the interior, on the cylindrical partition (25) extending the cylinder (22) of the tank (2).
- the dispensing head comprises on the outer portion guided in the guide cylinder (25), one or more pins for locking in the compressed position.
- the head is, for example, pivoted to place the lugs each in an "L" housing, the "L” housing being placed against the inner guide cylinder (25) at a height corresponding to the position of the lugs, in position compressed.
- the chamber (3) pumping is then compressed.
- the non-return valve disposed opposite the opening (21) for supply is then closed.
- the pressure increases in the chamber (3) pumping and the portion (51) curved and split opens to let the liquid product to be dispensed.
- the descent of the dispensing head causes the expulsion of liquid product through the dispensing orifice, through the portion (65) of tube and the conduit (61) output.
- the dispensing device is then returned to its rest position by elasticity, the bellows returning to the extended position by elasticity, performing a suction in the chamber (3) pumping.
- the portions of the curved portion (51) around the slot (s) approach each other, thus positioning the valve at the outlet of the pumping chamber (3) in the closed position.
- the convex shape makes it possible to provide a better resistance of the portions of the portion (51) curved, pressed against each other, sealingly.
- the movable disc (41) is pushed back from the feed aperture (21), allowing liquid product from the reservoir (2) to be sucked into the pumping chamber (3).
- the piston (20) of the reservoir (2) approaches the opening (21) supply, thereby decreasing the capacity of the reservoir (2).
- the valve disposed at the outlet of the pumping chamber is made in one piece molded, as well as the bellows member.
- the different parts of the same molded part will have, for example, an elasticity determined by their thickness.
- the holding ring will, for example, have a larger section than the curved portion, to be more rigid.
- the material used for molding will include, for example, plastic or polymer or rubber.
- a closing cap of the outlet duct is provided to be fixed, by clipping or screwing on the dispensing head.
Landscapes
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- Closures For Containers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/FR2008/000693 WO2009141511A1 (fr) | 2008-05-20 | 2008-05-20 | Amelioration d'une pompe pour distributeur a reservoir sans air |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2300171A1 true EP2300171A1 (fr) | 2011-03-30 |
EP2300171B1 EP2300171B1 (fr) | 2012-09-26 |
Family
ID=40120223
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08874377A Not-in-force EP2300171B1 (fr) | 2008-05-20 | 2008-05-20 | Amelioration d'une pompe pour distributeur a reservoir sans air |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2300171B1 (fr) |
CN (1) | CN102099122B (fr) |
HK (1) | HK1156564A1 (fr) |
WO (1) | WO2009141511A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT202100020864A1 (it) | 2021-08-03 | 2023-02-03 | Taplast Srl | Pompa monopolimerica, azionata a cupola |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2531997B (en) * | 2014-10-20 | 2018-08-01 | Rieke Packaging Systems Ltd | Pump dispenser with deformable pump chamber wall |
DE102016212892C5 (de) * | 2016-07-14 | 2020-01-30 | F. Holzer Gmbh | Pumpkopf sowie Dosiervorrichtung |
EP3427840B1 (fr) | 2017-07-13 | 2020-12-02 | Aptar Radolfzell GmbH | Distributeur de liquide |
DE102018002101A1 (de) | 2018-03-15 | 2019-09-19 | Aptar Dortmund Gmbh | Abgabespeicher und Spender |
US10335816B1 (en) * | 2018-08-29 | 2019-07-02 | Armin Arminak | All plastic water resistant pump |
IT201800020692A1 (it) * | 2018-12-21 | 2020-06-21 | Aptar Italia S P A | Dispenser per l'erogazione di un fluido |
CN112221856A (zh) * | 2020-10-15 | 2021-01-15 | 朱锃琪 | 一种电子元件用自动化点胶设备 |
CN112727825B (zh) * | 2020-12-23 | 2022-12-06 | 象山兴驰液压润滑有限公司 | 一种液压分配器的连接结构 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2380077A1 (fr) * | 1977-02-15 | 1978-09-08 | Normos Norbert | Dispositif de dosage et pulverisation d'un liquide comportant un element compressible |
DE3429835A1 (de) * | 1984-08-14 | 1986-02-20 | Ing. Erich Pfeiffer GmbH & Co KG, 7760 Radolfzell | Fliessgutspender |
DE4340016A1 (de) * | 1993-11-24 | 1995-06-01 | Bosch Gmbh Robert | Elektromagnetisch betätigbares Kraftstoffeinspritzventil |
JP2002011390A (ja) * | 2000-04-21 | 2002-01-15 | Sanyo Harutsu Kk | 容器内液体吐出用ポンプ |
JP4021268B2 (ja) * | 2002-07-24 | 2007-12-12 | 勝利 増田 | 流体吐出ポンプ |
JP2006509694A (ja) * | 2002-12-13 | 2006-03-23 | インクロ リミテッド | ポンプ作用式ノズル装置における、またはそれに関連する改良点 |
CN2875813Y (zh) * | 2006-03-15 | 2007-03-07 | 珠海天威技术开发有限公司 | 喷墨打印机墨盒及其压差调节阀 |
DE102008029004A1 (de) * | 2007-06-29 | 2009-01-02 | Rpc Bramlage Gmbh | Spender zur Ausgabe flüssiger oder pastöser Massen |
-
2008
- 2008-05-20 CN CN2008801304261A patent/CN102099122B/zh not_active Expired - Fee Related
- 2008-05-20 WO PCT/FR2008/000693 patent/WO2009141511A1/fr active Application Filing
- 2008-05-20 EP EP08874377A patent/EP2300171B1/fr not_active Not-in-force
-
2011
- 2011-10-13 HK HK11110928.3A patent/HK1156564A1/xx not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO2009141511A1 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT202100020864A1 (it) | 2021-08-03 | 2023-02-03 | Taplast Srl | Pompa monopolimerica, azionata a cupola |
WO2023012238A1 (fr) | 2021-08-03 | 2023-02-09 | Taplast S.R.L. | Pompe à polymère unique actionnée par un dôme |
Also Published As
Publication number | Publication date |
---|---|
CN102099122B (zh) | 2013-08-28 |
HK1156564A1 (en) | 2012-06-15 |
WO2009141511A1 (fr) | 2009-11-26 |
EP2300171B1 (fr) | 2012-09-26 |
CN102099122A (zh) | 2011-06-15 |
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