EP1207969A1 - Entlüftungsvorrichtung bei einem kolben für eine kartusche - Google Patents
Entlüftungsvorrichtung bei einem kolben für eine kartuscheInfo
- Publication number
- EP1207969A1 EP1207969A1 EP01913897A EP01913897A EP1207969A1 EP 1207969 A1 EP1207969 A1 EP 1207969A1 EP 01913897 A EP01913897 A EP 01913897A EP 01913897 A EP01913897 A EP 01913897A EP 1207969 A1 EP1207969 A1 EP 1207969A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- piston
- valve
- piston part
- venting device
- filter section
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
- B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
- B05C17/00576—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes characterised by the construction of a piston as pressure exerting means, or of the co-operating container
- B05C17/00579—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes characterised by the construction of a piston as pressure exerting means, or of the co-operating container comprising means for allowing entrapped air to escape to the atmosphere
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
- B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
- B05C17/00576—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes characterised by the construction of a piston as pressure exerting means, or of the co-operating container
Definitions
- the innovation relates to a ventilation device in a piston for a cartridge according to the preamble of claim 1.
- a micropore filter is inserted into a pocket shaped on the piston.
- the air trapped between the filling compound and the piston can escape through this micro-pore filter when the piston is inserted into the cartridge.
- This micropore filter is also intended to prevent the filling compound from escaping.
- Components of certain filling compounds have a creeping oil-like behavior when the cartridges are stored. These components pass through the micropore filter, which leads to leakages.
- venting device is shown in DE GM 295 06 800.
- the venting is carried out here via a plurality of valve pins attached to a part circle of the piston cover, which are lifted off by nentil cones when the piston is pressed into the cartridge and thereby enable the air outlet.
- this venting device can only be produced with narrow manufacturing tolerances.
- Another disadvantage is the fact that parts of the filling compound can penetrate up to the valves, which thereby contaminate them, so that their sealing function is impaired.
- the task is to design it in such a way that the valve remains dry and free of dirt.
- the valve should prevent creeping oil-like constituents from escaping.
- FIG. 1 shows a section through a first embodiment of a piston
- Figure 2 shows a section through an annular piston with the ventilation device
- FIG. 3 shows a section through a second embodiment of a piston with the ventilation device closed
- Figure 4 shows a section through the piston of Figure 3 with the open
- Figure 5 a section through a third embodiment of a piston.
- the piston according to FIG. 1 has a first piston part 1, which is provided with a sealing lip 2, which comes into contact with the cartridge wall.
- This piston part 1 has a circular cylindrical recess 3.
- the piston also has a second piston part 4.
- This piston part 4 has a circular cylindrical wall part 5, which is locked at the bottom of the recess 3 with the first piston part 1.
- the snap connection is designated 6.
- the circular cylindrical wall part 5 merges into a valve pin 7 in an arc shape.
- This valve pin 7 penetrates a cylindrical bore 11 on the first piston part 1 and has a valve cone 9 which comes into contact with a valve lip 10 of the first piston part 1.
- the arcuate transition region 8 engages over the cylindrical wall 12 between the bore 11 and the depression 3.
- the latching 6 is interrupted by a small air duct 13.
- a filter section 14 is formed between the outside of the wall 12 and the inside of the circular-cylindrical wall part 5. This filter section 14 consists of narrow channels on the inner wall of the wall part 5.
- the arcuate transition area 8 causes the valve pin 7 to be pressed against the piston rear side.
- valve pin 7 If the piston is inserted into a cartridge by a tool, the valve pin 7 is moved upward, whereby the valve formed by the parts 9, 10 is opened.
- the air enclosed between the filling compound and the piston escapes via the recess 3, the channel 13 and the filter section 14 and exits via the valve 9, 10.
- filling compounds which secrete creeping oil-like constituents it is possible that they overcome the filter section 14, but their escape is prevented by the valve 9, 10.
- the filter valve according to FIG. 1 is integrated in an annular piston 15.
- This ring piston is covered by a cover disk 16, which consists of a plastic material that is not attacked by the filling compound.
- This cover plate has at least one ventilation hole 17 and / or a ventilation channel 18, via which the air trapped between the piston and the filling compound can escape to the filter valve.
- FIGS. 3 and 4 differs from that according to FIG. 1 primarily in that instead of the curved transition area 8 there is now a disk-shaped transition area 19.
- This disc-shaped transition region 19 has a spring function, which causes the valve cone 9 to be pressed against the valve lip 10.
- the filter section 14 is formed by a helical channel 21
- the filter section 14A according to FIGS. 3 and 4 is formed by axially extending grooves 22 which are formed on the second piston part 4.
- helical grooves can also be provided.
- FIG. 4 illustrates how a piston setting tool 23 starts against the valve pin 7 and thus the valve 9, 10 opens.
- the first piston part 1 has a central bore 23 into which the second piston part 24 is inserted.
- a filter section 14 is formed between the bore 23 and the second piston part 24.
- a sealing lip 25 is formed, which comes to rest against a tapering region 26 of the bore 23.
- the filter section 14 can be formed by circumferential channels which have interruptions for the passage of air between the channels. It can also be formed by longitudinal ribs according to FIG. 3.
- the filter section 14 is preferably formed by helical threads. The channels of the filter section are only a few tenths of a millimeter thick, so that viscose fillings cannot pass through them.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- Portable Nailing Machines And Staplers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE20010417U | 2000-06-09 | ||
| DE20010417U DE20010417U1 (de) | 2000-06-09 | 2000-06-09 | Entlüftungsvorrichtung bei einem Kolben für eine Kartusche |
| PCT/EP2001/003221 WO2001094028A1 (de) | 2000-06-09 | 2001-03-21 | Entlüftungsvorrichtung bei einem kolben für eine kartusche |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP1207969A1 true EP1207969A1 (de) | 2002-05-29 |
| EP1207969B1 EP1207969B1 (de) | 2004-12-29 |
| EP1207969B2 EP1207969B2 (de) | 2007-07-04 |
Family
ID=7942724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP01913897A Expired - Lifetime EP1207969B2 (de) | 2000-06-09 | 2001-03-21 | Entlüftungsvorrichtung bei einem kolben für eine kartusche |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US6598766B1 (de) |
| EP (1) | EP1207969B2 (de) |
| DE (2) | DE20010417U1 (de) |
| WO (1) | WO2001094028A1 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202016006508U1 (de) | 2016-10-21 | 2017-01-09 | Ritter Gmbh | Kartuschenkolben mit Entlüfteventil |
Families Citing this family (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20117778U1 (de) * | 2001-10-31 | 2003-03-20 | Sulzer Chemtech Ag, Winterthur | Kartuschenkolben mit Entlüftung |
| AU2002351268A1 (en) * | 2001-12-10 | 2003-06-23 | Tah Industries, Inc. | Dispensing cartridge with tortuous vent path |
| DE10235599A1 (de) * | 2002-08-02 | 2004-02-19 | Ritter Gmbh | Kolben mit Entlüftung für Kartuschen zur Aufnahme und Abgabe plastischer Massen |
| DE10342091A1 (de) * | 2003-09-10 | 2005-04-28 | Heraeus Kulzer Gmbh | Kartusche mit entlüftbarem Kolben |
| GB0321332D0 (en) * | 2003-09-11 | 2003-10-15 | Glaxosmithkline Consumer Healt | Novel device |
| US6899254B1 (en) * | 2004-01-20 | 2005-05-31 | Plas-Pak Industries, Inc. | Venting seal for dispenser |
| EP1728560A1 (de) * | 2005-06-03 | 2006-12-06 | 3M Innovative Properties Company | System zum Lagern und Ausbringen eines Materials |
| US7621428B2 (en) * | 2005-07-01 | 2009-11-24 | Nordson Corporation | Dispensing cartridge with vented piston |
| US9844796B2 (en) | 2005-10-14 | 2017-12-19 | 3M Innovative Properties Company | Plunger and plunger assembly for a cartridge, system for storing a substance, and method of filling and sealing a substance in a delivery system |
| DE102006047289B4 (de) * | 2006-10-06 | 2008-09-04 | Sulzer Chemtech Ag | Kartuschenkolben |
| WO2009036963A2 (en) * | 2007-09-19 | 2009-03-26 | Kettenbach Gmbh & Co. Kg | Container |
| GB0721774D0 (en) * | 2007-11-07 | 2007-12-19 | 3M Innovative Properties Co | one-piece vented piston |
| DE102008000841B8 (de) * | 2008-03-26 | 2014-07-10 | Adcatec Gmbh | Kartusche und Kolben mit Entlüftungsvorrichtung |
| US20100096404A1 (en) * | 2008-10-17 | 2010-04-22 | Melvin Seymour Cook | Liquid distribution |
| TW201029897A (en) | 2008-12-12 | 2010-08-16 | Sulzer Mixpac Ag | Cartridge piston |
| DE102009005697B4 (de) | 2009-01-22 | 2013-05-23 | Ivoclar Vivadent Ag | Ausbringvorrichtung und deren Verwendung |
| CA2690171A1 (en) * | 2009-02-11 | 2010-08-11 | Sulzer Mixpac Ag | Cartridge piston with venting device |
| EP2461912B1 (de) | 2009-08-04 | 2016-08-17 | 3M Innovative Properties Company | Ausgabevorrichtung mit druckentlastung |
| GB0920768D0 (en) * | 2009-11-26 | 2010-01-13 | Rieke Corp | Dispenser pumps |
| BR112012013661B8 (pt) * | 2009-12-11 | 2023-03-21 | Sulzer Mixpac Ag | Pistão de cartucho e processo para a produção do mesmo |
| US8511350B2 (en) | 2009-12-22 | 2013-08-20 | Sulzer Mixpac Ag | Piston setting device and method |
| USD658763S1 (en) | 2010-02-02 | 2012-05-01 | 3M Innovative Properties Company | Dental capsule |
| US9815592B2 (en) * | 2010-06-03 | 2017-11-14 | Priska I. Diaz | Leak-free airless container having piston device |
| JP2012056633A (ja) | 2010-09-13 | 2012-03-22 | Sulzer Mixpac Ag | カートリッジピストン |
| US9469061B2 (en) | 2013-01-30 | 2016-10-18 | Plas-Pak Industries Inc | One-piece ventable piston for a dispensing apparatus, a dispensing apparatus with same, and method of making same |
| EP2873465A1 (de) * | 2013-11-18 | 2015-05-20 | Sulzer Mixpac AG | Kolben zum Austragen einer fliessfähigen Komponente aus einer Kartusche |
| EP2998030A1 (de) * | 2014-09-17 | 2016-03-23 | Sulzer Mixpac AG | Kolben für eine Kartusche, Kartusche und Verfahren zur Entlüftung einer Kartusche |
| FR3047186B1 (fr) * | 2016-02-01 | 2020-02-14 | Albea Lacrost | Dispositif de purge d'air pour distributeur de produit liquide sans reprise d'air |
| EP3299082A1 (de) | 2016-09-21 | 2018-03-28 | 3M Innovative Properties Company | Mischeranordnung und vorrichtung zur ausgabe eines zahnmaterials |
| US12070768B2 (en) | 2017-12-20 | 2024-08-27 | Medmix Switzerland Ag | Piston, cartridge and method of venting a cartridge |
| US11154887B2 (en) * | 2017-12-20 | 2021-10-26 | Sulzer Mixpac Ag | Piston, cartridge and method of venting a cartridge |
| EP3597311A1 (de) * | 2018-07-16 | 2020-01-22 | fischerwerke GmbH & Co. KG | Kartusche mit kolben und entlüftungseinrichtung |
| DE102022125144A1 (de) | 2022-09-29 | 2024-04-04 | Kulzer Gmbh | Kartuschenkolbeneinrichtung zum Einsetzen in eine Kartusche, Verfahren zum Entlüften und Verschließen einer Kartusche sowie Verwendung einer Kartuschenkolbeneinrichtung |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH598070A5 (de) * | 1974-09-04 | 1978-04-28 | Fischbach Alfred Kg Kunststoff | |
| DE3148490C2 (de) * | 1981-12-08 | 1986-02-13 | Alfred Fischbach Kg Kunststoff-Spritzgusswerk, 5250 Engelskirchen | Bodenverschluß für einen hohlzylindrischen Strangpreßbehälter |
| US4671432A (en) * | 1985-10-21 | 1987-06-09 | The Procter & Gamble Company | Pump dispenser for fluent products featuring a reciprocable plunger and diaphragm seal |
| DE3615659A1 (de) * | 1986-05-09 | 1987-11-12 | Hilti Ag | Auspresskolben mit speicherkammer |
| US5000355A (en) * | 1986-07-30 | 1991-03-19 | Beecham Inc. | Pump dispenser |
| GB2197425B (en) * | 1986-11-12 | 1990-02-28 | Metal Box Plc | Pistons for pressure-dispensing containers |
| FR2626248B1 (fr) | 1988-01-21 | 1990-06-22 | Simon Patrick | Recipient a piston purgeur et son application a des distributeurs notamment de produits cosmetiques |
| DE58903082D1 (de) | 1988-06-03 | 1993-02-04 | Wilhelm A Keller | Austragkartusche mit vorratszylinder und foerderkolben. |
| IT1217852B (it) * | 1988-06-17 | 1990-03-30 | Guala Spa | Dispensatore di prodotti pastosi particolarmente di pasta dentifricia |
| DE59103399D1 (de) * | 1990-06-21 | 1994-12-08 | Wilhelm A Keller | Austragkartusche mit Vorratszylinder und Förderkolben. |
| US5176291A (en) * | 1991-06-14 | 1993-01-05 | Owens-Illinois Closure Inc. | Dispensing package for a viscous product with a reusable pumping mechanism |
| DE9110529U1 (de) * | 1991-08-26 | 1991-10-10 | Prestele, Eugen, 8900 Augsburg | Kartusche |
| US5238003A (en) * | 1992-02-07 | 1993-08-24 | Baidwan Balinderjeet S | Plunger tip for blood gas syringe |
| DE29506800U1 (de) | 1995-04-21 | 1996-08-29 | Prestele, Eugen, 86161 Augsburg | Entlüftungsvorrichtung |
| DE29800594U1 (de) | 1998-01-15 | 1998-03-26 | Prestele, Eugen, 86179 Augsburg | Entlüftungsvorrichtung |
| DE20001438U1 (de) * | 2000-01-28 | 2001-06-13 | Prestele, Eugen, 86179 Augsburg | Kartuschenkolben |
-
2000
- 2000-06-09 DE DE20010417U patent/DE20010417U1/de not_active Expired - Lifetime
-
2001
- 2001-03-21 EP EP01913897A patent/EP1207969B2/de not_active Expired - Lifetime
- 2001-03-21 US US10/048,282 patent/US6598766B1/en not_active Expired - Lifetime
- 2001-03-21 WO PCT/EP2001/003221 patent/WO2001094028A1/de not_active Ceased
- 2001-03-21 DE DE50104959T patent/DE50104959D1/de not_active Expired - Lifetime
Non-Patent Citations (1)
| Title |
|---|
| See references of WO0194028A1 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202016006508U1 (de) | 2016-10-21 | 2017-01-09 | Ritter Gmbh | Kartuschenkolben mit Entlüfteventil |
| EP3311928A1 (de) | 2016-10-21 | 2018-04-25 | Ritter GmbH | Kartuschenkolben mit entlüftungsventil |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2001094028A1 (de) | 2001-12-13 |
| EP1207969B1 (de) | 2004-12-29 |
| US6598766B1 (en) | 2003-07-29 |
| EP1207969B2 (de) | 2007-07-04 |
| DE50104959D1 (de) | 2005-02-03 |
| DE20010417U1 (de) | 2001-10-11 |
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