EP0336408B1 - Air-jet loom with expander table - Google Patents

Air-jet loom with expander table Download PDF

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Publication number
EP0336408B1
EP0336408B1 EP89106041A EP89106041A EP0336408B1 EP 0336408 B1 EP0336408 B1 EP 0336408B1 EP 89106041 A EP89106041 A EP 89106041A EP 89106041 A EP89106041 A EP 89106041A EP 0336408 B1 EP0336408 B1 EP 0336408B1
Authority
EP
European Patent Office
Prior art keywords
insertion channel
weft insertion
projection
fabric
air
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.)
Revoked
Application number
EP89106041A
Other languages
German (de)
French (fr)
Other versions
EP0336408A2 (en
EP0336408A3 (en
Inventor
Rudolf Riezler
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.)
Lindauer Dornier GmbH
Original Assignee
Lindauer Dornier GmbH
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6351551&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0336408(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Lindauer Dornier GmbH filed Critical Lindauer Dornier GmbH
Publication of EP0336408A2 publication Critical patent/EP0336408A2/en
Publication of EP0336408A3 publication Critical patent/EP0336408A3/en
Application granted granted Critical
Publication of EP0336408B1 publication Critical patent/EP0336408B1/en
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D49/00—Details or constructional features not specially adapted for looms of a particular type
    • D03D49/60—Construction or operation of slay
    • D03D49/62—Reeds mounted on slay
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
    • D03D47/27—Drive or guide mechanisms for weft inserting
    • D03D47/277—Guide mechanisms
    • D03D47/278—Guide mechanisms for pneumatic looms
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03J—AUXILIARY WEAVING APPARATUS; WEAVERS' TOOLS; SHUTTLES
    • D03J1/00—Auxiliary apparatus combined with or associated with looms
    • D03J1/22—Temples
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03J—AUXILIARY WEAVING APPARATUS; WEAVERS' TOOLS; SHUTTLES
    • D03J1/00—Auxiliary apparatus combined with or associated with looms
    • D03J1/22—Temples
    • D03J1/223—Temples acting on the full width of cloth

Definitions

  • the invention relates to an air weaving machine with the features of the preamble of the claim.
  • the relay nozzles protrude into the weft insertion channel so that the weft transport medium air is effective as close as possible to the flight path of the weft.
  • the fabric brushes the relay nozzles reaching into the weft insertion channel.
  • the tissue can be damaged or at least experience quality impairments.
  • the invention is therefore based on the object of developing an air weaving machine with a reed and a spreader table so that regardless of the type of fabric, the binding point is always formed relatively in the middle of the weft insertion channel.
  • the main advantage is achieved that the binding point of the fabric is centered in the weft insertion channel and that there is therefore no longer a risk that, for example, the binding point gets into the weft insertion channel at the front in the 1/4 binding.
  • the foremost edge of the projection of the spreader table is arranged approximately in the middle of the weft insertion channel, both in the horizontal and in the vertical direction.
  • the projection of the spreader table protrudes onto the bottom of the reed tooth in the center thereof, a approximation to the ideal case creating a binding point which now lies within the reed tooth and can no longer be damaged by its edges.
  • the fabric edge is now arranged outside the relay nozzles and can easily be pulled off over the protrusion of the spreader table.
  • the reed which is not shown in detail, consists of parallel reed teeth, which are mutually facing one another, of which one reed tooth is shown in the side view in the illustration.
  • the reed tooth 1 forms a weft insertion channel 2, in which the weft thread is inserted in a manner not shown in the direction perpendicular to the plane of the drawing and the chain is pulled off in the direction of arrow 13.
  • a binding point 3 is shown, which is formed, for example, when warp threads 5 'and 6' converge at the binding point and are then pulled off forward in the form of the fabric 9.
  • the spreader table 7 is now provided with a projection 8, the projection 8 engaging in the weft insertion channel 2 and the front edge of the projection 8 lying approximately in the middle of the weft insertion channel 2, i.e. the middle is given by the vertical line 11 and the horizontal line 12.
  • the fabric is always centered approximately in the middle of the weft insertion channel 2 by the support of the fabric 9 on the projection 8 of the spreader table 7, so that the binding point 3 is held in the middle of the weft insertion channel 2.
  • the spreader table 7 ensures that the binding point 4 does not move forward in the direction of the arrow 13 in the direction of the edge 10 of the reed tooth 1, which in turn would then result in the risk that the binding point 4 and thus the fabric 9 engaging with the weft insertion channel 2 Relay nozzles collide.
  • the spreader table 7 with the projection 8 according to the invention thus ensures that the binding point 4 remains at the bottom of the weft insertion channel 2 (rear) and thus there is no risk that the fabric collides with the edge of the reed tooth or the relay nozzles.

Description

Die Erfindung betrifft eine Luftwebmaschine mit den Merkmalen des Oberbegriffes des Patentanspruches.The invention relates to an air weaving machine with the features of the preamble of the claim.

Eine derartige Luftwebmaschine beschreibt die DE-A-3 115 213. Zwischen der vorderen Kante des Vorsprunges und dem Webblattzahn besteht dort ein fühlbarer Abstand.Such an air weaving machine is described in DE-A-3 115 213. There is a noticeable distance between the front edge of the projection and the reed tooth.

Damit ist aber der Nachteil verbunden, daß, insbesondere bei Geweben mit unterschiedlicher Bindungszahl, z. B. 1/4 oder 4/1, der Bindepunkt im Schußeintragskanal nach oben oder unten wandert und mit der Kante des Webblattzahnes kollidiert, wobei der Schußfaden beschädigt werden kann.However, this has the disadvantage that, especially in the case of fabrics with different weave numbers, e.g. B. 1/4 or 4/1, the binding point in the weft insertion channel moves up or down and collides with the edge of the reed tooth, whereby the weft thread can be damaged.

Bei anderen bekannten Luftwebmaschinen ragen die Stafettendüsen in den Schußfadeneintragskanal hinein, damit das Schußfadentransportmedium Luft möglichst nahe der Flugbahn des Schußfadens wirksam wird.In other known air-jet weaving machines, the relay nozzles protrude into the weft insertion channel so that the weft transport medium air is effective as close as possible to the flight path of the weft.

Dabei besteht aber der Nachteil, daß das Gewebe die in den Schußeintragskanal hineinreichenden Stafettendüsen streift. Das Gewebe kann dabei beschädigt werden oder aber zumindest qualitätsmindernde Beeinträchtigungen erfahren.However, there is the disadvantage that the fabric brushes the relay nozzles reaching into the weft insertion channel. The tissue can be damaged or at least experience quality impairments.

Der Erfindung liegt deshalb die Aufgabe zugrunde, eine Luftwebmaschine mit Webblatt und Breithaltertisch so weiterzubilden, daß unabhängig von der Art des Gewebes der Bindepunkt immer relativ in der Mitte des Schußeintragskanals gebildet wird.The invention is therefore based on the object of developing an air weaving machine with a reed and a spreader table so that regardless of the type of fabric, the binding point is always formed relatively in the middle of the weft insertion channel.

Die Lösung der gestellten Aufgabe besteht bei einer Luftwebmaschine mit den Merkmalen des Oberbegriffes des Patentanspruches erfindungsgemäß in dessen kennzeichnenden Merkmalen.The solution to the problem is an air-jet machine with the features of the preamble of claim according to the invention in its characterizing features.

Damit wird eine verbreiterte Auflage des Gewebes geschaffen, so daß das Gewebe bereits schon zur Auflage im Schußeintragskanal auf den Breithaltertisch kommt. Hierdurch wird ein wesentlicher Fortschritt erzielt, denn beim Stand der Technik gelangte das Gewebe erst zur Auflage auf den Breithaltertisch, der außerhalb des Schußeintragskanals angeordnet war, womit der Nachteil bestand, daß der Bindepunkt des Gewebes im Schußeintragskanal nicht zentriert war.This creates a widened edition of the fabric, so that the fabric is already on the application in the weft insertion channel Spreader table comes. This is a major step forward, because in the prior art the fabric only came to rest on the spreader table, which was arranged outside the weft insertion channel, with the disadvantage that the binding point of the fabric was not centered in the weft insertion channel.

Bei der Erfindung wird der wesentliche Vorteil erzielt, daß der Bindepunkt des Gewebes im Schußeintragskanal zentriert ist und daß daher nicht mehr die Gefahr besteht, daß beispielsweise bei der 1/4 Bindung der Bindepunkt nach vorne unten in den Schußeintragskanal gerät.In the invention, the main advantage is achieved that the binding point of the fabric is centered in the weft insertion channel and that there is therefore no longer a risk that, for example, the binding point gets into the weft insertion channel at the front in the 1/4 binding.

In bevorzugter Ausgestaltung der vorliegenden Erfindung ist es vorgesehen, daß die vorderste Kante des Vorsprungs des Breithaltertisches etwa in der Mitte des Schußeintragskanals, und zwar sowohl in horizontaler als auch in vertikaler Richtung angeordnet ist.In a preferred embodiment of the present invention, it is provided that the foremost edge of the projection of the spreader table is arranged approximately in the middle of the weft insertion channel, both in the horizontal and in the vertical direction.

Hierdurch ragt der Vorsprung des Breithaltertisches auf den Grund des Webblattzahnes in dessen Mitte, wobei in Annäherung an den Idealfall ein Bindepunkt geschaffen wird, der nun innerhalb des Webblattzahnes liegt und nicht mehr von dessen Kanten beschädigt werden kann.As a result, the projection of the spreader table protrudes onto the bottom of the reed tooth in the center thereof, a approximation to the ideal case creating a binding point which now lies within the reed tooth and can no longer be damaged by its edges.

Weiterhin ist nun der Geweberand außerhalb der Staffettendüsen angeordnet und kann leicht über den Vorsprung des Breithaltertisches abgezogen werden.Furthermore, the fabric edge is now arranged outside the relay nozzles and can easily be pulled off over the protrusion of the spreader table.

Der Erfindungsgegenstand der vorliegenden Erfindung ergibt sich nicht nur aus dem Gegenstand der einzelnen Patentansprüche, sondern auch aus der Kombination der einzelnen Patentansprüche untereinander. Alle in den Unterlagen - einschließlich der Zusammenfassung - offenbarten Angaben und Merkmale, insbesondere die in den Zeichnungen dargestellte räumliche Ausbildung werden als erfindungswesentlich beansprucht, soweit sie einzeln oder in Kombination gegenüber dem Stand der Technik neu sind.The subject matter of the present invention results not only from the subject matter of the individual patent claims, but also from the combination of the individual patent claims with one another. All of the information and features disclosed in the documents - including the summary -, in particular the spatial design shown in the drawings, are claimed to be essential to the invention, insofar as they are new to the prior art, individually or in combination.

Im folgenden wird die Erfindung anhand einer lediglich einen Ausführungsweg darstellenden Zeichnung näher erläutert. Hierbei gehen aus der Zeichnung und ihrer Beschreibung weitere erfindungswesentliche Merkmale und Vorteile der Erfindung hervor.In the following the invention is based on only one Execution path illustrating drawing explained in more detail. Here, further features and advantages of the invention that are essential to the invention emerge from the drawing and its description.

Die Abbildung zeigt schematisiert die Seitenansicht eines Webblattzahnes mit Schußeintragskanal und Breithaltertisch im Schnitt.

Figur 1
zeigt eine Ausführungsform der Erfindung mit einem normalen Nadelbreithalter, wobei die Breithalterwalze nicht dargestellt ist.
The figure shows a schematic side view of a reed tooth with a weft insertion channel and spreader table in section.
Figure 1
shows an embodiment of the invention with a normal needle spreader, the spreader roller is not shown.

Gemäss der Figur 1 besteht das nicht näher dargestellte Webblatt aus parallelen, einen gegenseitig voneinander aufweisenden Webblattzähnen, von denen ein Webblattzahn in der Seitenansicht in der Abbidlung dargestellt ist. Der Webblattzahn 1 bildet einen Schußeintragskanal 2 aus, in den in nicht näher dargestellter Weise in senkrechter Richtung zur Zeichenebene der Schußfaden eingetragen wird und wobei die Kette in Pfeilrichtung 13 abgezogen wird.According to FIG. 1, the reed, which is not shown in detail, consists of parallel reed teeth, which are mutually facing one another, of which one reed tooth is shown in the side view in the illustration. The reed tooth 1 forms a weft insertion channel 2, in which the weft thread is inserted in a manner not shown in the direction perpendicular to the plane of the drawing and the chain is pulled off in the direction of arrow 13.

Als Idealfall ist ein Bindepunkt 3 dargestellt, der sich beispielsweise bildet, wenn Kettfäden 5' und 6' im Bindepunkt zusammenlaufen und dann nach vorne in Form des Gewebes 9 abgezogen werden.As an ideal case, a binding point 3 is shown, which is formed, for example, when warp threads 5 'and 6' converge at the binding point and are then pulled off forward in the form of the fabric 9.

Erfindungsgemäss ist nun der Breithaltertisch 7 mit einem Vorsprung 8 versehen, wobei der Vorsprung 8 in den Schußeintragskanal 2 hineingreift und die Vorderkante des Vorsprungs 8 etwa in der Mitte des Schußeintragskanals 2 liegt, d.h. die Mitte ist hierbei durch die vertikale Linie 11 und durch die horizontale Linie 12 gegeben.According to the invention, the spreader table 7 is now provided with a projection 8, the projection 8 engaging in the weft insertion channel 2 and the front edge of the projection 8 lying approximately in the middle of the weft insertion channel 2, i.e. the middle is given by the vertical line 11 and the horizontal line 12.

Es ist erkennbar, daß durch die Auflage des Gewebes 9 auf dem Vorsprung 8 des Breithaltertisches 7 das Gewebe stets etwa in der Mitte des Schußeintragskanals 2 zentriert wird, so daß der Bindepunkt 3 in der Mitte des Schußeintragskanals 2 gehalten wird.It can be seen that the fabric is always centered approximately in the middle of the weft insertion channel 2 by the support of the fabric 9 on the projection 8 of the spreader table 7, so that the binding point 3 is held in the middle of the weft insertion channel 2.

Bei ungünstigen Gewebebildungen kommt es jedoch vor, daß gemäss dem Kettfaden 5 bzw. 6 der Bindepunkt 4 sich an der Unterseite des Schußeintragskanals 2 bildet.In the case of unfavorable fabric formation, however, it happens that, according to the warp thread 5 or 6, the binding point 4 forms on the underside of the weft insertion channel 2.

Hier sorgt dann der Breithaltertisch 7, daß der Bindepunkt 4 nicht nach vorne in Pfeilrichtung 13 in Richtung zur Kante 10 des Webblattzahnes 1 wandert, wodurch dann wiederum die Gefahr bestünde, daß der Bindepunkt 4 und damit das Gewebe 9 mit den in den Schußeintragskanal 2 hineingreifenden Staffettendüsen kollidiert.Here then the spreader table 7 ensures that the binding point 4 does not move forward in the direction of the arrow 13 in the direction of the edge 10 of the reed tooth 1, which in turn would then result in the risk that the binding point 4 and thus the fabric 9 engaging with the weft insertion channel 2 Relay nozzles collide.

Der Breithaltertisch 7 mit dem erfindungsgemässen Vorsprung 8 sorgt also dafür, daß der Bindepunkt 4 am Grund des Schußeintragskanals 2 (hinten) verbleibt und damit nicht die Gefahr besteht, daß das Gewebe mit der Kante des Webblattzahnes oder den Staffettendüsen kollidiert.The spreader table 7 with the projection 8 according to the invention thus ensures that the binding point 4 remains at the bottom of the weft insertion channel 2 (rear) and thus there is no risk that the fabric collides with the edge of the reed tooth or the relay nozzles.

ZEICHNUNGS-LEGENDEDRAWING LEGEND

11
WebblattzahnReed tooth
22nd
SchußeintragskanalWeft insertion channel
33rd
BindepunktTie point
44th
BindepunktTie point
55
Kettfaden 5'Warp thread 5 '
66
Kettfaden 6'Warp thread 6 '
77
BreithaltertischSpreader table
88th
Vorsprunghead Start
99
Gewebetissue
1010th
KanteEdge
1111
Linieline
1212th
Linieline

Claims (1)

  1. Air jet loom with a web plate and a weft shooting channel (2) arranged in the web plate, in which an expander table (7) is arranged in front of the web plate, which table (7) has a projection (8) pointing in the direction of the middle of the web plate tooth (1), in which the upper side of the projection (8) forms an extension of the bearing surface of the expander table (7), characterised in that the foremost edge of the upper side of the projection (8) of the expander table (7) lies in the middle of the weft shooting channel (2), that is, both in the horizontal and in the vertical direction.
EP89106041A 1988-04-07 1989-04-06 Air-jet loom with expander table Revoked EP0336408B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3811653 1988-04-07
DE3811653 1988-04-07

Publications (3)

Publication Number Publication Date
EP0336408A2 EP0336408A2 (en) 1989-10-11
EP0336408A3 EP0336408A3 (en) 1991-04-03
EP0336408B1 true EP0336408B1 (en) 1994-09-21

Family

ID=6351551

Family Applications (2)

Application Number Title Priority Date Filing Date
EP89106041A Revoked EP0336408B1 (en) 1988-04-07 1989-04-06 Air-jet loom with expander table
EP89106042A Expired - Lifetime EP0336409B2 (en) 1988-04-07 1989-04-06 Air jet loom with expander table and expander rod

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP89106042A Expired - Lifetime EP0336409B2 (en) 1988-04-07 1989-04-06 Air jet loom with expander table and expander rod

Country Status (4)

Country Link
US (2) US4951717A (en)
EP (2) EP0336408B1 (en)
JP (2) JPH0247344A (en)
DE (3) DE3821725A1 (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE58906640D1 (en) * 1988-11-10 1994-02-17 Sulzer Ag Loom with fabric support.
US5137269A (en) * 1989-06-29 1992-08-11 Minolta Camera Kabushiki Kaisha Sheet package and sheet feeding apparatus designed to employ same
DE3926525A1 (en) * 1989-08-10 1991-02-14 Dornier Gmbh Lindauer AIR WEAVING MACHINE WITH A WEB SHEET AND A WIFE ENTRANCE CHANNEL IN THE WEB SHEET
DE4205514C2 (en) * 1992-02-24 1996-01-11 Dornier Gmbh Lindauer Convertible trough-shaped spreader table for air jet weaving machines
IT1266634B1 (en) * 1993-10-27 1997-01-09 Nuovo Pignone Spa PERFECTED COMB FOR AIR TEXTILE FRAME
DE4424271C1 (en) * 1994-07-09 1995-06-29 Dornier Gmbh Lindauer Air jet loom weft insertion channel
DE4443899C1 (en) * 1994-12-09 1995-11-23 Dornier Gmbh Lindauer Jet or gripper loom
DE19713357A1 (en) * 1996-12-23 1998-06-25 Cramer Anton Gmbh Co Kg Loom temple for high, medium and low weft densities
DE19716587C1 (en) * 1997-04-21 1998-09-03 Dornier Gmbh Lindauer On=line supervisory control for weft monitoring system of air jet loom
US6007274A (en) * 1997-05-19 1999-12-28 Arcadis Geraghty & Miller In-well air stripping, oxidation, and adsorption
ATE361947T1 (en) * 2000-03-24 2007-06-15 Cray Valley Sa COMPOSITIONS WITH AQUEOUS POLYMER DISPERSIONS, FILM-FORMING WITHOUT SOLVENTS, FOR THE TREATMENT OF LEATHER
DE50212466D1 (en) * 2001-11-01 2008-08-21 Sultex Ag Method for weaving a double-layered fabric
DE10211149A1 (en) * 2002-03-14 2003-10-02 Dornier Gmbh Lindauer Spreading device
FR2926822B1 (en) * 2008-01-29 2010-05-28 Deschamps A & Fils Ets WEAVING METHOD AND WEAVING FABRIC FOR IMPLEMENTING SAID METHOD
DE102009036589A1 (en) 2009-08-07 2011-02-10 Lindauer Dornier Gmbh Device for transferring a band-shaped weft material
DE102009037127A1 (en) * 2009-08-11 2011-02-17 Lindauer Dornier Gmbh Gripper head of a weaving machine
CN114836879B (en) * 2022-03-28 2023-10-03 浙江丰华实业股份有限公司 Beating-up device applied to weaving equipment

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE495300C (en) † 1927-05-19 1930-04-05 Axel Engelbrekt Norrman Spreaders for looms
CH492046A (en) * 1968-06-03 1970-06-15 Elitex Zavody Textilniho Method and device for controlling warp threads in the edge point of the fabric being formed on a shuttleless loom
NL6811471A (en) † 1968-08-12 1970-02-16
NL151456B (en) * 1969-02-04 1976-11-15 Strake Maschf Nv Loom with a width holder that extends over the entire width of the weave.
CH536890A (en) † 1972-08-31 1973-05-15 Zbrojovka Vsetin Np Woven fabric web stretching device - suitable for all kinds of weave
JPS509425U (en) * 1973-05-31 1975-01-30
US3885600A (en) * 1973-07-17 1975-05-27 Jack G Altmann Method and temple apparatus for guiding fabric lengths through textile weaving machines
CH609106A5 (en) * 1976-04-13 1979-02-15 Rueti Ag Maschf
DE2925021A1 (en) * 1979-06-21 1981-01-15 Erhard Kenk Rod-form breadth holder for loom - clamps fabric between recess jaws and insert of discs threaded on wire
CS219512B1 (en) * 1980-06-05 1983-03-25 Karel Vystrcil Picking channel of the jet loom
CS213078B1 (en) † 1980-07-03 1982-03-26 Karel Vystrcil Weft picking channel of the nozzle weaving machine
CS210296B1 (en) † 1980-09-02 1982-01-29 Karel Vystrcil Weft picking channel,particularly pneumatic weaving machine
CH649586A5 (en) * 1981-03-05 1985-05-31 Rueti Ag Maschf LEAF TOOTH FOR NOZZLE WEAVING MACHINES AND WEB LEAF PRODUCED BY USING THE LEAF TOOTH.
FR2547602B1 (en) * 1983-06-15 1985-12-06 Saurer Diederichs Sa COMB WITH BUILT-IN CONTAINER, FOR WEAVING MACHINE WITHOUT SHUTTLE WITH PNEUMATIC WEFT INSERTION

Also Published As

Publication number Publication date
EP0336408A2 (en) 1989-10-11
JPH0470415B2 (en) 1992-11-10
US4919171A (en) 1990-04-24
JPH0247344A (en) 1990-02-16
DE3821725A1 (en) 1989-10-26
EP0336409A2 (en) 1989-10-11
EP0336408A3 (en) 1991-04-03
EP0336409A3 (en) 1991-04-03
JPH0247343A (en) 1990-02-16
EP0336409B2 (en) 2004-01-02
DE58908374D1 (en) 1994-10-27
EP0336409B1 (en) 1994-09-21
US4951717A (en) 1990-08-28
DE58908373D1 (en) 1994-10-27

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