EP0915743B1 - Anordnung zum auspressen einer fliessfähigen substanz aus einem schlauchbeutel - Google Patents

Anordnung zum auspressen einer fliessfähigen substanz aus einem schlauchbeutel Download PDF

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Publication number
EP0915743B1
EP0915743B1 EP97940063A EP97940063A EP0915743B1 EP 0915743 B1 EP0915743 B1 EP 0915743B1 EP 97940063 A EP97940063 A EP 97940063A EP 97940063 A EP97940063 A EP 97940063A EP 0915743 B1 EP0915743 B1 EP 0915743B1
Authority
EP
European Patent Office
Prior art keywords
pouch
sealing
arrangement according
sealing ring
opening
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.)
Expired - Lifetime
Application number
EP97940063A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0915743A1 (de
Inventor
Ernst Adolf Mühlbauer
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.)
MUEHLBAUER, WOLFGANG CARL FRIEDRICH, DR.
Original Assignee
Individual
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
Priority claimed from DE29613945U external-priority patent/DE29613945U1/de
Priority claimed from DE29617654U external-priority patent/DE29617654U1/de
Priority claimed from DE29707761U external-priority patent/DE29707761U1/de
Priority claimed from DE29709408U external-priority patent/DE29709408U1/de
Application filed by Individual filed Critical Individual
Publication of EP0915743A1 publication Critical patent/EP0915743A1/de
Application granted granted Critical
Publication of EP0915743B1 publication Critical patent/EP0915743B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B05C17/01—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 with manually mechanically or electrically actuated piston or the like
    • B05C17/0146—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 with manually mechanically or electrically actuated piston or the like comprising a valve in the proximity of the nozzle that is not actuated by pressure, e.g. manually actuated
    • 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
    • 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
    • B65D83/0055—Containers or packages provided with a flexible bag or a deformable membrane or diaphragm for expelling the contents
    • B65D83/0072—Containers or packages provided with a flexible bag or a deformable membrane or diaphragm for expelling the contents the contents of a flexible bag being expelled by a piston or a movable bottom or partition provided in the container or the package

Definitions

  • the invention relates to an arrangement for pressing a flowable substance with an elongated tubular bag containing it according to the preamble of claim 1 and claim 5.
  • the invention has for its object an arrangement of to provide in the preamble of claim 1 specified type which is less expensive, an easy change of the Tubular bag enables and yet a sufficient seal guaranteed.
  • the exclusive action of the sealing elements of the sealing ring on the end face surrounding the emptying opening or on the of this formed edge of the discharge opening makes one Careful cleaning of the less accessible discharge opening dispensable. There is also a cleaning of the face often dispensable because experience shows that the crowd seldom penetrates so far. In the area of the edge are any Ground residues are displaced without affecting the sealing effect.
  • the interacting sealing surfaces make less demands to accurate manufacture and assembly because it is not required is, any diameters exactly on top of each other vote.
  • the invention has the advantage that the seal is independent of the design the emptying opening and the tubular bag therefore in different Extractors can be used. Also the sealing effect cannot be caused by any misalignment of the sealing ring are impaired.
  • this is the discharge opening of the squeezer surrounding face flat. Then it is recommended that To form a sealing ring (apart from protruding sealing elements), so that it extends parallel to the end face can. This is especially true if he is after another Feature of the invention an approximately the diameter of the cylinder space has the same outside diameter. This causes good guidance and centering of the tubular bag end when inserted into the discharge opening. It is also advantageous if the edge of the sealing ring is a considerable height has when inserting the tubular bag into the cylinder space from the back of which is remote from the discharge side prevents the sealing ring from tilting. This height is preferably at least 4 mm or 6% (better 10%) of the Diameter. Furthermore, it can be useful if the peripheral surface in whole or in part on one or both Edges are tapered or beveled or rounded to provide that To facilitate introduction into the cylinder space and possibly also to avoid tilting.
  • the invention preferred two embodiments of this idea.
  • the first draws is characterized in that the holding part as one with the inner wall cooperating clamp formed the cylinder space is. This is preferably due to the fact that the Washer forming or holding disc is flexible and you Outside diameter a little larger than the inside diameter of the cylinder space.
  • a braking element arranged, the Holds the bag in the respective position in the cylinder compartment. It also prevents friction during removal and the vertical installation of the cylinder with the outlet opening the bag slides upwards or even slips out the cylinder falls out.
  • FIG. 1 shows the tubular bag 1 within a so-called cartridge 2, which comprises a wall 3 and a bottom 4. Your inside diameter is dimensioned to match that of the tubular bag 1.
  • Cartridges of this type with tubular bags are considered Interchangeable inserts in devices for dispensing plastic masses used, for example in devices for spreading dental multi-component impression materials (EP-A 492 413).
  • the cartridges are inserted into the device in such a way that a device-owned Piston 5 in the direction of the arrow in the open, far from the ground End 6 of the cartridge can penetrate the tubular bag 1 squeeze.
  • the gathered together in the warehouse closed end 7 of the bag at the other end is cut off so that a bag opening 8 is formed, which in an emptying opening 9 located in the bottom 4 of the cartridge opens.
  • a sealing ring 13 is inserted between the cylinder chamber 10 facing the cartridge Face 11 of the bottom 4 and the shoulder surface 12 of the tubular bag 1.
  • the piston 5 compresses the tubular bag 1, the contained therein through the bag opening 8 and the emptying opening 9 in the downstream, not shown Spaces of the device flow, for example, with another Component to be mixed and finally in the desired way to be applied.
  • the piston in the Tubular bag 1 generated pressure also acts on the shoulder surface 12 on the sealing ring 13, so that this at least during the squeezing process an effective seal between the front surface 11 and the shoulder surface 12 forms.
  • the gathering 7 against the wall surface of the emptying opening 9 pressed so that a ballast seal is created at this point.
  • the term cylinder space is not intended to mean that the Wall 3 must be cylindrical; however, it is convenient.
  • Fig. 1 it is assumed that the bottom 4 of the cartridge is firmly connected to its wall 3 and the tubular bag 1 into the cartridge from the far side is used.
  • versions are also possible at which the bottom of the wall 3 like a lid to insert the Tubular bag 1 can be solved.
  • the sealing ring shown in FIG is designed as an annular disc 14. You can with the Shoulder surface 12 of the tubular bag 1 may be glued. you Outside diameter is not much smaller than that the cylinder space 10. When inserting the tubular bag into the cartridge can therefore center the bag opening serve in relation to the discharge opening. it consists of rigid plastic to perform this task. It also expediently has such a high strength that the approximately flat or parallel to the end face 11 position of the Washer 14 can secure.
  • an O-ring 15 (es can also be several) tight and preferably firm with the Washer 14 connected, for example, in a Ring groove is glued or pinched. It consists of Soft rubber or foam rubber with a closed surface and therefore lies below the one acting during the squeezing process Pressure without gaps on the end face 11 and thus forms effective protection against the penetration of mass of the emptying opening 9 if mass between the gathering 7 and the wall of the discharge opening 9 should pass through.
  • the O-ring 15 has moved so close to the emptying opening 9 that it cooperates with their edge, whereby the Sealing effect is improved.
  • the washer 14 can, as shown in Fig. 3, with an upright Edge 27 are provided.
  • Figure 3 shows that the total with the reference number 13 designated sealing ring from a disc 16 and an in a groove of the same secured, rubber-elastic O-ring 15 there is, the sealing with the end face 11 of the cartridge bottom 4 interacts.
  • an adhesive and sealant 40 the disc 16 is connected to the end face 12 of the bag 1.
  • the connection is limited to the radially inner area the disc 16 and the end face 12 and is outward delimited by a bead 41 which is annular on the Bag 1 facing the face of the disc 16 concentrically is provided for the pane opening and the circumference of the pane. Outside the annular bead 41 are the disk 16 and the bag end face 12 disconnected and usually a little bit apart lifted.
  • the disc 16 itself with respect to the bag face 12 in a certain angular range can tilt freely, the bead 41 on the one side more and on the other side less in the Bag. Any misalignment of the bag, as indicated in Figure 2 is therefore not possible on the position of the disc 16 and the sealing effect of the O-ring 15 impact.
  • the end face 12 of the Bag 1 essentially over the entire surface by means of the adhesive 40 connected to the disc 16 of the sealing ring 13 so that the Washer 16, as indicated in the drawing, on a possible Deformation of the bag due to misalignment takes part.
  • this cannot lead to tightness defects, because that Sealing member of the sealing ring 13 from a central projection 45 is formed with a spherical surface 46.
  • the Projection surrounds an opening 47 through which the braid 7 projects, which forms the bag opening 8.
  • the spherical surface 46 forms the sealing surface on the bag side.
  • the counter sealing surface is formed by the edge 43, which on Bottom 4 of the cartridge at the transition between the end face 11 and the discharge opening 9 is formed.
  • the edge 43 lies in the plane of the surface 11 and is circular. Your diameter is smaller than the outer diameter of the spherical projection 45. Therefore, the edge 43 can on the spherical Sealing surface 46 along a closed circumferential sealing line complete. A similar effect is achieved if the Sealing surface is tapered, provided its taper angle is essential is more blunt than that of a cone, if appropriate Wall 44 of the discharge opening 9.
  • the curvature diameter of the spherical sealing surface 46 is considerably larger than the diameter of the sealing edge 43, so that a wedging of the spherical sealing surface in the edge 43 or the wall 44 of the opening 9 cannot take place.
  • the Tangent at a point of contact between the spherical Sealing surface 46 and the sealing edge 43 forms with the axis of the Sealing edge 43 an angle 48, which is advantageously larger than 30 °, is more appropriately greater than 40 °. However the angle should be less than 60 ° so that the projection 45 automatically centered relative to the edge 43. Corresponding applies to a conical shape of the projection 45.
  • This version not only has the advantage of being insensitive towards misalignment of the sealing ring, but leads also a particularly reliable seal, because the Sealing pressure on the edge 43 is high and any contamination be squeezed away.
  • the bag is 1 provided on the emptying side with a disc 20, which at its the bag opening through the central opening 21 an O-ring 22 carries.
  • the outer diameter of the disc 20 is a little larger than the inside diameter of the cartridge wall 3.
  • Fig. 7 shows the arrangement with one at the rear end of the Hose bag attached brake element.
  • a disc 30 At the end of the tubular bag 1 is placed on this a disc 30, which in in the middle is an opening for receiving the closure strand 31 of the bag contains. Their circumference has a rubbing effect on the inner surface the cartridge 2 together.
  • the friction force on the circumference of the Disc 30 therefore does not affect the internal pressure of the bag 1 off. If the cartridge with the bag contained therein stored outside the application device and with the end 6 placed vertically downwards, the frictional force increases Circumference of the disc 30 the weight of the filled bag 1 and keep it in the existing position.
  • the circumference of the disk 30 can be provided with devices be the friction force even in the presence of certain dimensional tolerances the disc 30 and the cartridge 2 in a desired one Hold area, for example with a friction-increasing Elastomer ring.
  • versions are suitable for this, where the level 33 in which the line of contact between the scope of the disc 30 serving as a braking element and the inner surface of the cartridge 2 is offset to the rear is opposite to the main plane 34 of the disc.
  • the adjacent to the inner wall of the cartridge 2 Disk 30 need not be continuous; rather can it should be interrupted so that a plurality of flexible arms is formed, the ends of which resiliently on the cartridge wall and only connected to each other in the central area are.
  • the axial offset between the contact plane 33 and the Main plane 34 of disk 30 or its arms need not to be predetermined by their original form; much more the part can also be designed flat and only by elastic Deformation when inserted into the cartridge the outside take a curved shape.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Coating Apparatus (AREA)
EP97940063A 1996-08-12 1997-08-08 Anordnung zum auspressen einer fliessfähigen substanz aus einem schlauchbeutel Expired - Lifetime EP0915743B1 (de)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
DE29613945U 1996-08-12
DE29613945U DE29613945U1 (de) 1996-08-12 1996-08-12 Anordnung zum Auspressen einer fließfähigen Substanz aus einem Schlauchbeutel
DE29617654U DE29617654U1 (de) 1996-10-10 1996-10-10 Anordnung zum Auspressen einer fließfähigen Substanz aus einem Schlauchbeutel
DE29617654U 1996-10-10
DE29707761U DE29707761U1 (de) 1997-04-29 1997-04-29 Anordnung zum Auspressen einer fließfähigen Substanz aus einem Schlauchbeutel
DE29707761U 1997-04-29
DE29709408U 1997-05-28
DE29709408U DE29709408U1 (de) 1997-05-28 1997-05-28 Anordnung zum Auspressen einer fließfähigen Substanz aus einem Schlauchbeutel
PCT/EP1997/004338 WO1998006506A1 (de) 1996-08-12 1997-08-08 Anordnung zum auspressen einer fliessfähigen substanz aus einem schlauchbeutel

Publications (2)

Publication Number Publication Date
EP0915743A1 EP0915743A1 (de) 1999-05-19
EP0915743B1 true EP0915743B1 (de) 2001-05-23

Family

ID=27439130

Family Applications (2)

Application Number Title Priority Date Filing Date
EP97940063A Expired - Lifetime EP0915743B1 (de) 1996-08-12 1997-08-08 Anordnung zum auspressen einer fliessfähigen substanz aus einem schlauchbeutel
EP97941926A Ceased EP0915744A1 (de) 1996-08-12 1997-08-08 Anordnung zum auspressen einer fliessfähigen substanz aus einem schlauchbeutel

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP97941926A Ceased EP0915744A1 (de) 1996-08-12 1997-08-08 Anordnung zum auspressen einer fliessfähigen substanz aus einem schlauchbeutel

Country Status (5)

Country Link
US (2) US6209755B1 (ja)
EP (2) EP0915743B1 (ja)
JP (2) JP2000516138A (ja)
DE (1) DE59703610D1 (ja)
WO (2) WO1998006505A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010049378A1 (de) 2010-10-26 2012-04-26 Kettenbach Gmbh & Co. Kg Doppelkartusche und Kartuschenanordnung hiermit

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29813684U1 (de) 1998-07-31 1998-12-17 VOCO GmbH, 27472 Cuxhaven Anordnung zur Ausgabe von fließfähigen Substanzen aus Folienschläuchen
EP1169242B1 (de) * 1999-04-12 2004-03-03 Kettenbach GmbH & CO. KG Folienverpackung für eine pastöse substanz
WO2003097157A1 (en) * 2002-05-17 2003-11-27 Tyco Healthcare Group, Lp Wound closure material applicator
JP2006519699A (ja) * 2003-03-06 2006-08-31 デンツプライ インターナショナル インコーポレーテッド 分配及び混合用チップ
DE10347938B4 (de) * 2003-10-15 2005-08-25 Hilti Ag Kopfteil für einen Mehrkammerschlauchbeutel
GB0420529D0 (en) * 2004-09-16 2004-10-20 3M Innovative Properties Co Valve stems for metered dose dispensing valves
GB0602340D0 (en) * 2006-02-07 2006-03-15 Rawlplug Co Ltd Nozzle and/or adaptor unit on cartridge
GB2437596A (en) * 2006-04-25 2007-10-31 Exchem Plc Dispenser cartridge
WO2009007204A1 (en) * 2007-07-06 2009-01-15 Unilever N.V. Dispensing gun for viscous or pasty food products
US20110121028A1 (en) * 2009-05-13 2011-05-26 Server Products, Inc. Dispenser and flexible pouch for liquid food product
US9067711B2 (en) 2012-11-06 2015-06-30 Sonoco Development, Inc. Storage and dispensing device
US20150048085A1 (en) * 2013-08-16 2015-02-19 Corning Incorporated Vessels and methods for cryopreservation
US9498406B2 (en) * 2015-01-13 2016-11-22 Fisher Clinical Services, Inc. Clinical testing blinding tubes and method of assembly
JP6905522B2 (ja) 2015-11-16 2021-07-21 コーニング インコーポレイテッド 極低温バイアルアセンブリ
US10638748B2 (en) 2015-12-22 2020-05-05 Corning Incorporated Break away/tear away cryopreservation vial and methods for manufacturing and using same
EP3195941A1 (de) * 2016-01-20 2017-07-26 HILTI Aktiengesellschaft Auspressvorrichtung für ein foliengebinde, foliengebinde sowie baugruppe aus einer auspressvorrichtung und einem foliengebinde
CA3146561A1 (en) * 2019-08-02 2021-02-11 Sulzer Mixpac Ag Cartridge assembly, sleeve, system and method of assembling a cartridge assembly
CN110742804A (zh) * 2019-10-29 2020-02-04 武汉佰科宏成生物科技有限公司 一种直筒型管道液体取出器及液体取出方法

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Publication number Priority date Publication date Assignee Title
DE541972C (de) * 1932-01-16 Erich Schettler Tuer- und Fensterfeststeller
FR1161905A (fr) * 1956-11-21 1958-09-08 Dispositif de conditionnement des produits pâteux, liquides..., en tubes ou étuis souples sous enveloppes rigides, et de commande pour expulser ces produits
SE393832B (sv) 1975-02-24 1977-05-23 Bygg Tema Soren Johansson Ab Tryckluftsspruta for forpackade fogmassor
US4098434A (en) * 1975-06-20 1978-07-04 Owens-Illinois, Inc. Fluid product dispenser
CA2019290A1 (en) * 1990-01-12 1991-07-12 Bruce Cowger Pressure-sensitive accumulator for ink-jet pens
GB9104564D0 (en) * 1991-03-05 1991-04-17 Mcgill Shane R Container
DE9200521U1 (de) * 1991-11-12 1993-03-25 Thera Patent GmbH & Co KG Gesellschaft für industrielle Schutzrechte, 8031 Seefeld Behälter für fließfähige Substanzen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010049378A1 (de) 2010-10-26 2012-04-26 Kettenbach Gmbh & Co. Kg Doppelkartusche und Kartuschenanordnung hiermit
DE102010049378B4 (de) * 2010-10-26 2014-07-03 Kettenbach Gmbh & Co. Kg Kartuschenanordnung mit einer Doppelkartusche

Also Published As

Publication number Publication date
WO1998006506A1 (de) 1998-02-19
US6206244B1 (en) 2001-03-27
DE59703610D1 (de) 2001-06-28
JP2000516138A (ja) 2000-12-05
US6209755B1 (en) 2001-04-03
JP2000516137A (ja) 2000-12-05
EP0915743A1 (de) 1999-05-19
WO1998006505A1 (de) 1998-02-19
EP0915744A1 (de) 1999-05-19

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