EP1763406A1 - Dispositif de decharge a usage unique - Google Patents

Dispositif de decharge a usage unique

Info

Publication number
EP1763406A1
EP1763406A1 EP05756393A EP05756393A EP1763406A1 EP 1763406 A1 EP1763406 A1 EP 1763406A1 EP 05756393 A EP05756393 A EP 05756393A EP 05756393 A EP05756393 A EP 05756393A EP 1763406 A1 EP1763406 A1 EP 1763406A1
Authority
EP
European Patent Office
Prior art keywords
mixer
cartridge
discharge device
syringe
closure
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
EP05756393A
Other languages
German (de)
English (en)
Other versions
EP1763406B1 (fr
Inventor
Wilhelm A. Keller
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.)
Medmix Switzerland AG
Original Assignee
Mixpac Systems AG
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 Mixpac Systems AG filed Critical Mixpac Systems AG
Publication of EP1763406A1 publication Critical patent/EP1763406A1/fr
Application granted granted Critical
Publication of EP1763406B1 publication Critical patent/EP1763406B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • B05C17/00553—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 means allowing the stock of material to consist of at least two different components
    • 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
    • B05C17/00503—Details of the outlet element
    • B05C17/00506—Means for connecting the outlet element to, or for disconnecting it from, the hand tool or its container
    • 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
    • B05C17/00503—Details of the outlet element
    • B05C17/00506—Means for connecting the outlet element to, or for disconnecting it from, the hand tool or its container
    • B05C17/00509—Means for connecting the outlet element to, or for disconnecting it from, the hand tool or its container of the bayonet type
    • 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
    • B05C17/00593—Hand tools of the syringe type
    • 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

Definitions

  • Discharge device for a disposable application
  • the present invention relates to a dispensing device for a disposable application, with a multi-component cartridge with closure and a mixer.
  • Fig. 1 shows in section a first
  • FIG. 1a is a section along the section line in FIG. 1, FIG.
  • FIG. 2 and 2a show the device according to FIG. 1 in the opened state
  • FIG. 3 and 3a show a second embodiment in as well as closed and opened state
  • FIG. 5 and 5a show a third embodiment in as well as closed and opened state, Fig. 6 and ⁇ a
  • 13 to 16 show a further embodiment in the closed and opened state
  • 17 to 23 show a further embodiment in the closed and opened state
  • Figs. 24 to 30 show an embodiment variant, for example, according to FIGS. 17 to 23, and
  • FIGS. 31 to 35 show a further embodiment in the opened and closed state.
  • Fig. 1 the double cartridge or syringe 1, hereinafter cartridge, and the mixer 2 with the mixing elements 3 is shown.
  • the two storage containers 4 and 5 each have an outlet 6 and 7, which open into a conical sealing surface 8 of the outlet end 9 of the cartridge.
  • the outlet end 9 has a peripheral collar 10.
  • the mixer 2 has a housing 11 which is formed in the lower part as a bell-shaped input part 12 having at its cartridge side end a circumferential paragraph 13 or more paragraphs 13 to engage behind the circumferential collar 10 at the outlet end and the mixer to the cartridge be fastened so that without damaging parts of the mixer is no longer solvable from the cartridge.
  • the entrance portion 12 of the mixer has at its cartridge-side end a cone 14 which corresponds to the conical inner surface 8 at the outlet end to allow a tight seal.
  • the cone 14 on the mixer has a transverse bore 15 which is mounted in the assembled state in the height of the outlets 6 and 7. From the comparison of FIGS. 1, Ia and 2, 2a it is further apparent that in FIG. 1 the passage of the cartridge outlets to the mixer inlet is closed, while after a rotation through 90 °, the two outlets are connected to each other, so that the components can reach the mixing elements. It is also apparent from FIGS. 1 and 2 that the cavity formed by the interior of the mixer housing 11 is provided at the cartridge-side end with a closure 16, so that the cavity extends as far as the transverse bore 15.
  • the cartridge or syringe is delivered in the filled and closed condition.
  • a cylindrical arrangement is used instead of a conical seal between mixer and cartridge, while the principle of the rotary closure remains the same.
  • the cartridge 17 has the same reservoir 4 and 5 and the outlets 6 and 7 with the transverse
  • the mixer 18 has a housing 19 with input part 20, on which the circumferential shoulder 13 is attached.
  • Both the outlet end and the inlet part of the mixer have mutually complementary, cylindrical inner surfaces 21, 22, wherein the cylinder 22 of mixer 18 has a transverse bore 23 to establish a connection between the two outlets 6 and 7 of the cartridge, so that the components can get to the mixing elements.
  • the two outlets 6 and 7 are arranged in an annular part 24 and the outlet channels 6a, 7a are closed on the mixer side with a sealing ring 25 which is arranged in the mixer input part.
  • FIGS. 3, 3a and 4, 4a show that the connection between the outlet channels ⁇ a, 7a and the mixing elements 3 is produced by rotating the mixer 90 ° relative to the cartridge.
  • the mixer is no longer rotated relative to the cartridge but moved axially guided towards the cartridge.
  • the cartridge 26 of Fig. 5 has the same storage chambers 4 and 5 and the outlets 6 and 7, each arranged in the transverse
  • Outlet channels 6a and 7a open.
  • the outlet end 27 has two circumferential, sawtooth-like retaining collar 28 and 29, which engage behind the peripheral shoulder 13 at the input part 31 of mixer 30.
  • the cartridge-side extension from the mixer inlet part has a continuous inlet 32 which is arranged at such a distance from the end that it communicates with the outlet channels 6a and 7a of the cartridge in the opened state according to FIG.
  • the circumferential shoulder 13 engages the mixer inlet part behind the second, cartridge-side collar 29 of the outlet end 27 of the cartridge.
  • a sealing ring 33 is arranged, which closes the outlet channels 6a and 7a upwards to ensure a correct seal both in the closed and in the open state. It is also possible in this embodiment, however, to arrange the mixer inlet and accordingly the outlet channels of the cartridge such that the mixer inlet is on the cartridge side and to establish the connection between the cartridge and the mixer by pulling the mixer in the outlet direction.
  • FIGS. 7 to 10 show a further embodiment in which the mixer is axially displaced relative to the cartridge.
  • the cartridge 34 has the same reservoirs 4 and 5 and the outlets 6 and 7, while the outlet end 9 has a circumferential collar 35, behind which engages the circumferential shoulder 13 of the mixer input part.
  • a closure member 37 is arranged with two sealing plugs 38 and 39, which in the closed state according to FIG. 7 fit into the outlets 6 and 7 in order to close them.
  • two cylindrical guides 40 are arranged, which engage around the mixer outlets 6 and 7.
  • the mixer inlet part has at its cartridge-side end of the circumferential shoulder 13, which prevents the mixer can be removed from the cartridge.
  • the closure member 37 with the sealing plug 38 and the guide cylinders 40 may be made in one piece.
  • FIG. 7 A comparison of Figs. 7 and 9 shows that after axial displacement of the mixer, the two sealing plugs 38 and 39 have been pulled out of the mixer outlets, so that the components can reach the mixing elements 3 through inlets 69 arranged around the sealing plugs , From the side views 8 and 10 shows that the closure member 37 has at its end retaining cam 41 which engage in the closed state in corresponding openings 42 in the outlet end 9 of the cartridge. From the open position of Fig. 10 also goes shows that the peripheral shoulder 13 engages behind the collar 35 at the mixer end.
  • the mixer is axially moved away from the cartridge by means of a screw thread in order to release the outlets.
  • the cartridge 44 with the reservoirs 4 and 5 and the outlets 6 and 7 is provided at its outlet end 9 with a bracket 45 with a bead 52 for a threaded ring with internal thread 46, the end 47 engages around the holder 45 and is provided with locking lugs 48 outside ,
  • the outer surface of the closure part 49 of the input part of mixer 50 is accordingly provided with an external thread 51 which cooperates with the internal thread of the threaded ring.
  • the closure member 49 is latched in the mixer housing and has two sealing plugs 53 and 54 which fit into the outlets 4 and 5. Partially around the plugs, inlet passages 70 for the components are arranged, through which the components reach the mixing elements.
  • 13 to 16 show a further embodiment, with a cartridge 55 with the two storage containers 4 and 5 and the outlets 6 and 7.
  • the two brackets 56 at the outlet end of the cartridge each have retaining cams 57, which surround the circumferential shoulder 13 of the cartridge side
  • the mixer inlet end behind in order to hold the mixer 58 inseparably.
  • the brackets are located at the outlet end 9 at two opposite locations.
  • the mixer inlet part 62 has two opposing hold-down lips 59 and 60 which hold down a closure consisting of a closure plate (66) on which two soft material sealing plugs 64 and 65 are arranged, as shown in FIG.
  • the shutter further comprises two slots 67 and 68, the width of which corresponds to the thickness of the hold-down ribs.
  • the hold-down ribs 59 and 60 are in the release position shown in FIG. 16 and are located above the slots 67 and 68 on the closure plate, thereby releasing the closure for opening.
  • the sealing plugs on the closure are forced out of the outlet channels and the cartridge is thus opened, i. in the position of FIG. 15.
  • FIGS. 17 to 23 has a seal made of an elastomeric material between the double cartridge and the mixer.
  • Fig. 17 shows in a side view the new embodiment with the double cartridge 71 and the mixer 72, wherein the double cartridge has a flange 73 which serves either as a mounting flange, if the double cartridge is inserted into a dispenser or serves as a retaining flange, if the plunger directly be operated by hand.
  • the housing 74 with the tubular part 75 and the fastening part 76 with two wings 77.
  • the double cartridge 71 also has two reservoirs 78 and 79.
  • the section of FIG. 18 shows the mixer as it has been fitted on the cartridge, while the illustration of FIG. 22 shows the mixer after turning clockwise by 45 °, whereby the mixer is locked to the cartridge and in FIG after reverse rotation, counterclockwise, by 90 °, locking the mixer and preventing rotation.
  • FIG. 18 shows that the mixing elements 80 in the mixer housing tube 75 and the mixer input part 81 are integrally formed. Between the mixer inlet part 81 and the cartridge outlet part 82 there is a sealing disc 83, which is shown in Fig. 21 and consists of a suitable elastic, resilient material.
  • FIG. 18 shows the mixer inserted by snapping onto the cartridge, the bayonet claws 84A and 84B on the mixer, see also FIG. 22 engaging the recesses 107A, 107B formed on the bayonet rim 85 on the cartridge as snap tabs, see also FIG. 21st
  • the sealing disc 83 which serves as a rotary valve, is shown, and which consists of a disc 87, in which two opposite passages 88A and 88B and two driving pins 89A and 89B are arranged.
  • the rotary valve seal 83 is placed on the mixer input part 81, which has corresponding passages 9OA and 9OB and recesses 91A and 91B for the cam lobes 89A and 89B.
  • the fastening part of the mixer housing further has two
  • Stop cam 92 and 93 which serve to position a correspondingly shaped input flange 94 of the mixer input part 81.
  • the bayonet locking part has, on its side facing the cartridge, a tightening surface 95 directed against the cartridge, which opens into a recess 96, followed by two stop ribs 97 and 98, wherein the stop rib 98 is adjoined by a second recess 99 which extends to the tightening surface 100 belongs. While the edge 96A is sharp-edged from the recess 96 to the tightening surface 95, the edge 99A between the recess 99 and the tightening surface 100 is chamfered.
  • the portions corresponding to the recesses 96 and 99 on the bayonet claws 84A or 84B are two stages 101 and 102, which are arranged in Fig. 20 on the side facing the mixing elements of the bayonet claw. From the different configuration of the edges 96A and 99A it follows that the mixer can be rotated out of the recess 99 after turning clockwise by 45 °, the stage 101, ie that the mixer can be rotated counterclockwise until the stage 101 in the recess 96A engages and thus the mixer can not be turned back.
  • Attached to the cartridge outlet flange 103 is a notch 104 which serves to visually encode the cartridge for insertion into a dispenser in a particular position. In Figs.
  • the mixer was placed on the cartridge, snapped in and in the illustration of Fig. 22, the mixer was rotated by 45 ° clockwise, as in Fig. 22 by the arrow C was indicated.
  • the step 101 on the bayonet claw 84A engages the recess 99A in latching part 86A to lock and secure the mixer to the cartridge.
  • the outlets 105 and 106 of the cartridge are closed by the sealing disc 83.
  • FIGS. 24 to 30 show a variant of the preceding exemplary embodiment.
  • Fig. 24 shows in a side view the double cartridge 108 and the mixer 109, wherein the double cartridge has a flange 110, which serves either as a mounting flange, if the double cartridge is inserted into a dispenser or serves as a retaining flange, if the plunger are operated directly by hand .
  • the double cartridge 108 further has two reservoirs 115 and 116 on.
  • FIG. 25 shows the mixer as it has been fitted to the cartridge, while the illustration of Figure 29 shows the attachment part of the mixer after turning clockwise by 45 °, whereby the mixer is firmly locked to the cartridge, and the outlets are closed, as well as in Fig. 30 after the reverse rotation counterclockwise by 90 °, whereby the outlet is opened, the mixer, however, is held against rotation.
  • a sealing washer 120 shown in Fig. 26, made of a suitable resilient, resilient material such as silicone or polyurethane.
  • FIG. 25 shows the mixer inserted by snapping onto the cartridge, the bayonet claws 121 on the mixer, see also FIG. 29, engaging the recesses 122 formed on the bayonet rim 123 on the cartridge as snap tongues, see also FIG. 28.
  • the flange 110, the two reservoirs 115 and 116 of the cartridge and the mixer 109 can be seen the mixer tube 112 with the fastening part 113 with the two wings 114 and a positioning nose 129.
  • the sealing disc 120 is shown, which consists of a disc 124 in which two opposing passages 125 and 125A and two cam openings 126 and 126A are arranged in the form of grooves with a bore.
  • the sealing disc 120 is placed on the mixer input part 118, which corresponding passages 127 and 127A and two according to the Mitauerö réelleen shaped n carrier webs with Anpresszapfen 128 and 128A and the bayonet claws 121 has.
  • the cartridge outlet end with the locking flange 119 and the bayonet lugs 130 and the projections 131 on the bayonet rim 123 can be seen.
  • the bayonet lugs have the usual per se, the cartridge facing and directed against tightening surfaces.
  • the limitation of the bayonet lock when locking and opening are formed by two stops 132 on two opposite bayonet lugs, which cooperate with corresponding abutment surfaces 133 in the mixer input part.
  • the bayonet wreath 123 next to the projections 131, which are not sharp-edged but bevelled, two stop cams 137 which have a straight edge.
  • the projections 131 and the stop cams 137 cooperate with notches 121A formed on the bayonet claws 121 on the mixer.
  • the cuts have a chamfer 138 on one side and a sharp edge 139 on the other side.
  • FIGS. 31 to 36 show an embodiment in which the inlets of the mixer are connected to the outlets of the syringe by removing a closure clip.
  • a discharge arrangement with double syringe 140, mixer 141, tappets 142 and a closure bar 143 is shown in perspective and in the open position.
  • these parts are isolated and in FIG. 32 the syringe outlet end 144 and the closure bar are shown enlarged.
  • the mixer 141 contains a mixer tube 146 and an inlet housing 147, in which latching openings 150 are arranged, which serve to receive latching tongues 151 on the cartridge outlet flange 152.
  • the two outlets 153 and 154 of the storage containers 155 and 156 which are designed as stubs, are furthermore arranged.
  • the mixer inlet housing further has two guide sleeves 157, each with a conical bore 158, which tapers on the inlet side and serves to receive a correspondingly conical closure pin 144 at the end of leg 159 of the closure clip 143.
  • the mixer further includes a mixing coil 160 provided on the injection side with an inlet flange 161 having two passages 162 fitted in the mixer inlet housing 147. On the injection side, two inlets 163 and 164 are arranged on the inlet flange.
  • each leg 159 Behind the locking pin 144 of each leg 159 is a constriction 164 and at a distance a collar 165, see Figures 34 and 35.
  • the closure bracket In the closed position of Figure 34, the closure bracket is up to the collar 165 both through the holes 158 of guide sleeve 157 as well through the passages or outlets 162, 163 of the syringe.
  • the closure bow 143 In the open position of FIG. 35, the closure bow 143 has been pulled out until the conical closure pins 144 are stuck in the conical bores 158 of the guide sleeves.
  • the constrictions are shaped such that there is a predetermined breaking point at which the closure bracket can be bent and removed. Instead of the closure bracket, a concentric opening ring can also be used.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Coating Apparatus (AREA)
  • Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)

Abstract

L'invention concerne un dispositif de décharge à usage unique, ce dispositif comportant une cartouche à plusieurs composants dotée d'une fermeture ainsi qu'un mélangeur. La cartouche (1) et le mélangeur (2) forment une unité et la fermeture disposée entre les sorties de la cartouche et les entrées du mélangeur est un dispositif de vanne (15) qui crée une liaison entre les sorties (6,7) de la cartouche et les éléments de mélange (3) du mélangeur. Dans certains modes de réalisation, la liaison est réalisée par rotation du mélangeur, et dans d'autres modes de réalisation, par le déplacement axial du mélangeur relativement à la cartouche. Il est ainsi possible de réaliser un dispositif de décharge à usage unique de fabrication économique et d'utilisation aisée.
EP05756393.4A 2004-07-08 2005-07-07 Dispositif de decharge a usage unique Expired - Lifetime EP1763406B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH11702004 2004-07-08
CH19542004 2004-11-26
PCT/CH2005/000391 WO2006005213A1 (fr) 2004-07-08 2005-07-07 Dispositif de decharge a usage unique

Publications (2)

Publication Number Publication Date
EP1763406A1 true EP1763406A1 (fr) 2007-03-21
EP1763406B1 EP1763406B1 (fr) 2014-04-23

Family

ID=34971819

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05756393.4A Expired - Lifetime EP1763406B1 (fr) 2004-07-08 2005-07-07 Dispositif de decharge a usage unique

Country Status (5)

Country Link
US (1) US8033429B2 (fr)
EP (1) EP1763406B1 (fr)
JP (1) JP2008504914A (fr)
CN (1) CN1980746A (fr)
WO (1) WO2006005213A1 (fr)

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US8033429B2 (en) 2011-10-11
CN1980746A (zh) 2007-06-13
US20070175921A1 (en) 2007-08-02
WO2006005213A1 (fr) 2006-01-19
EP1763406B1 (fr) 2014-04-23
JP2008504914A (ja) 2008-02-21

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