WO1985001756A1 - Needle bar for circular knitting machine - Google Patents

Needle bar for circular knitting machine Download PDF

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Publication number
WO1985001756A1
WO1985001756A1 PCT/DE1984/000205 DE8400205W WO8501756A1 WO 1985001756 A1 WO1985001756 A1 WO 1985001756A1 DE 8400205 W DE8400205 W DE 8400205W WO 8501756 A1 WO8501756 A1 WO 8501756A1
Authority
WO
WIPO (PCT)
Prior art keywords
needle bed
cylinder
segments
webs
needles
Prior art date
Application number
PCT/DE1984/000205
Other languages
German (de)
French (fr)
Inventor
Stefan Krall
Original Assignee
Saxonia-Franke 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
Application filed by Saxonia-Franke Gmbh filed Critical Saxonia-Franke Gmbh
Publication of WO1985001756A1 publication Critical patent/WO1985001756A1/en

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Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
    • D04B15/14—Needle cylinders

Definitions

  • the invention relates to a needle bed for circular knitting and knitting machines, the cylinder of which has webs between which the knitting or knitting needles are movably mounted in the axial direction.
  • grooves have previously been milled into the cylinder of circular knitting and knitting machines, into which webs are inserted, between which the knitting and knitting needles are mounted and moved up and down by means of the lock.
  • the needles run on the surface of the cylinder, which is usually hardened for the purpose of preventing excessive and rapid wear.
  • the position of such cylinders is, especially for manufacturing reasons, an extraordinarily complex matter, in which rejects arise too often, above all due to sequelae of the hardening process.
  • the invention has for its object to design the needle bed for circular knitting and knitting machines in such a way that the manufacture is considerably simplified and that the entire cylinder is avoided in the event of damage to individual parts of the needle bed in order to scrap it by a to replace new ones.
  • OM / WI there are segments of equal width, immediately adjacent to one another, which are composed of flat, closely spaced webs of different heights, which alternate with one another in a regular sequence, the web being connected by means of recesses, preferably on the underside poured metal or plastic in the form of the entire width of the segments of rods or strips or the like. is effected.
  • 1 is a plan view of a quadrant of the cylinder of a circular knitting or knitting machine, which is equipped on its circumference with the needle bed segments,
  • FIG. 2 shows a cross section through the cylinder according to FIG. 1 and a needle bed segment attached to its circumference
  • FIG 3 shows a section through the cylinder of a circular knitting or knitting machine which is equipped with a modified needle bed according to the invention.
  • the machine cylinder 11 is of relatively simple design and can be machined extremely precisely and precisely on a lathe. Insofar as grinding work is required, it can also be carried out in a simple manner, which ensures rational and cost-effective production of the machine cylinder.
  • the needle bed itself is from the segments attached to the circumference of the cylinder 11 12 formed, which are clamped to this and lie close together.
  • the individual needle bed segments 12 consist of a large number of flat webs 13 and 14, of which the webs 13 have a greater height in the radial direction than the lower webs 14, which alternate from one another in a regular sequence, so that in each case between webs 13 that are noted a path is formed in which the needles are stored un movable up and down; they slide on the outer surface of the flat lower webs 14.
  • the webs 13 and 14 are made of a suitable material that is easy to harden so that the guideways for the needles can have any desired surface hardness.
  • each needle bed segment 12 In order to firmly connect the individual, closely abutting surfaces of the webs 13 and 14 of each needle bed segment 12 to form a compact element, there are recesses 15 on the underside facing the cylinder 11, into which grooves a metal in the liquid state or optionally also plastic is poured or injected, which material after solidification extends across the entire width of the segments extending bars or strips 16 and holds together the webs 13 and 14.
  • clamping wedges 17 which are inserted in dovetail grooves 18 on the underside of the needle bed segments 12 and which are pulled by means of clamping screws 19 against the center of the cylinder.
  • feather keys or strips 20 are arranged on the underside of the segments, which engage in grooves 21 arranged on the cylinder 11. Furthermore, stop surfaces 22 and 23, respectively
  • IRl OMPI be provided on the cylinders or on the segments 12 which abut each other.
  • the webs 13 are provided at their upper end 24 on the inner side 25 facing the axis of the cylinder 11 in the region of the knock-off position of the needles with a recess 26 which is intended for receiving a wire 27 of a wire ring made of hardened material, which the needles in the tee area and serves as a tee edge.

Abstract

A cylinder of the bar is provided with struts between which the needles are axially movable. The bar is comprised of juxtaposed segments (12) having preferably the same width, along the periphery of the cylinder (11). The segments are formed of juxtaposed struts (13, 14) having different heights which alternate in regular sequences. The struts are held together by means of cleats (16) made of metal or plastic material and cast into recess (15) preferably on the lower side and extending throughout the width of the segments.

Description

Nadelbett für Rundstrick- und -Wirkmaschinen Needle bed for circular knitting and knitting machines
Die Erfindung betrifft ein Nadelbett für Rundstrick- und -Wirkmaschinen, deren Zylinder Stege aufweist, zwischen welchen die Strick- bzw. Wirknadeln in axialer Richtung bewegbar gelagert sind.The invention relates to a needle bed for circular knitting and knitting machines, the cylinder of which has webs between which the knitting or knitting needles are movably mounted in the axial direction.
Üblicherweise werden bisher in den Zylinder von Rundstric und -Wirkmaschinen Nuten eingefräst, in welche Stege eing setzt werden, zwischen welchen die Strick- und Wirknadeln gelagert sind und mittels des Schlosses auf und nieder be wegt werden. Die Nadeln laufen dabei auf der Oberfläche des Zylinders, die zum Zwecke der Verhinderung zu starker und rascher Abnutzung in aller Regel gehärtet ist. Die He stellung derartiger Zylinder ist vor allem aus fertigungs¬ technischen Gründen eine außerordentlich aufwendige Ange¬ legenheit, bei der nur zu häufig Ausschuß entsteht, vor allem aufgrund von Folgeerscheinungen des Härtvorgangs.Usually, grooves have previously been milled into the cylinder of circular knitting and knitting machines, into which webs are inserted, between which the knitting and knitting needles are mounted and moved up and down by means of the lock. The needles run on the surface of the cylinder, which is usually hardened for the purpose of preventing excessive and rapid wear. The position of such cylinders is, especially for manufacturing reasons, an extraordinarily complex matter, in which rejects arise too often, above all due to sequelae of the hardening process.
Der Erfindung liegt die Aufgabe zugrunde, das Nadelbett fü Rundstrick- und -Wirkmaschinen in der Weise auszubilden, daß die Fertigung wesentlich vereinfacht wird und daß ver¬ mieden wird, bei Schäden an einzelnen Teilen des Nadelbett den gesamten Zylinder zu verschrotten, um ihn durch einen neuen zu ersetzen.The invention has for its object to design the needle bed for circular knitting and knitting machines in such a way that the manufacture is considerably simplified and that the entire cylinder is avoided in the event of damage to individual parts of the needle bed in order to scrap it by a to replace new ones.
Zur Lösung dieser Aufgabe wird gemäß der Erfindung vorge¬ schlagen, das Nadelbett für Rundstrick- und -Wirkmaschinen in der Weise auszubilden, daß es aus über den gesamten Um¬ fang des Zylinders gleichmäßig verteilt angeordneten, vor-To achieve this object, it is proposed according to the invention to design the needle bed for circular knitting and knitting machines in such a way that it consists of uniformly distributed over the entire circumference of the cylinder.
OM / WI zugsweise gleich breiten, unmittelbar aneinander anliegen¬ den Segmenten besteht, welche aus flachen, dicht aneinander anliegenden Stegen unterschiedlicher Höhe, die in regel¬ mäßiger Folge einander abwechseln, zusammengesetzt sind-, wobei der Verbund der Stege mittels in Ausnehmungen vor¬ zugsweise auf der Unterseite eingegossenen Metalls oder Kunststoffs in Form sich über die ganze Breite der Segmente erstreckender Stäbe bzw. Leisten od.dgl. bewirkt ist.OM / WI there are segments of equal width, immediately adjacent to one another, which are composed of flat, closely spaced webs of different heights, which alternate with one another in a regular sequence, the web being connected by means of recesses, preferably on the underside poured metal or plastic in the form of the entire width of the segments of rods or strips or the like. is effected.
Weitere Merkmale des erfindungsgemäß ausgebildeten Nadel¬ betts gehen aus den Unteransprüchen und der nachstehenden Beschreibung eines in den Figuren 1 bis 3 der Zeichnung dargestellten, besonders bevorzugten Ausführungsbeispiels hervor. Es zeigen:Further features of the needle bed designed according to the invention are evident from the subclaims and the following description of a particularly preferred exemplary embodiment shown in FIGS. 1 to 3 of the drawing. Show it:
Fig. 1 eine Aufsicht auf einen Quadranten des Zylinders einer Rundstrick- bzw. -Wirkmaschine, der an seinem Umfang mit den Nadelbettsegmenten bestückt ist,1 is a plan view of a quadrant of the cylinder of a circular knitting or knitting machine, which is equipped on its circumference with the needle bed segments,
Fig. 2 einen Querschnitt durch den Zylinder gemäß Fig. 1 und ein an dessen Umfang befestigtes Nadelbett¬ segment, undFIG. 2 shows a cross section through the cylinder according to FIG. 1 and a needle bed segment attached to its circumference, and
Fig. 3 einen Schnitt durch den Zylinder einer Rundstrick¬ bzw. -Wirkmaschine, welcher mit einem modifizier¬ ten Nadelbett gemäß der Erfindung bestückt ist.3 shows a section through the cylinder of a circular knitting or knitting machine which is equipped with a modified needle bed according to the invention.
Wie aus Fig. 1 und 2 hervorgeht, ist der Maschinenzylinder 11 relativ einfach gestaltet und kann auf einer Drehbank außerordentlich exakt und genau bearbeitet werden. Soweit Schleifarbeiten erforderlich sind, lassen sich diese gleichfalls in einfacher Weise ausführen, wodurch eine rationelle und kostengünstige Herstellung des Maschinen¬ zylinders gewährleistet ist. Das Nadelbett selbst wird von den am Umfang des Zylinders 11 befestigten Segmenten 12 gebildet, die an diesem festgespannt sind und dicht aneinander anliegen.As can be seen from FIGS. 1 and 2, the machine cylinder 11 is of relatively simple design and can be machined extremely precisely and precisely on a lathe. Insofar as grinding work is required, it can also be carried out in a simple manner, which ensures rational and cost-effective production of the machine cylinder. The needle bed itself is from the segments attached to the circumference of the cylinder 11 12 formed, which are clamped to this and lie close together.
Die einzelnen Nadelbettsegmente 12 bestehen aus einer Viel zahl flacher Stege 13 und 14, von welchen die Stege 13 in radialer Richtung eine größere Höhe aufweisen als die nie- drigereren Stege 14, die in regelmäßiger Folge einander ab wechseln, so daß jeweils zwischen beachbarten Stegen 13 eine Bahn gebildet wird, in welcher die Nadeln gelagert un auf- und niederbewegbar sind; hierbei gleiten sie auf der äußeren Oberfläche der flachen niedrigereren Stege 14. Die Stege 13 und 14 bestehen aus einem geeigneten Werkstoff, der sich einfach härten läßt, so daß die Führungsbahnen für die Nadeln jede gewünschte Oberflächenhärte aufweisen können. Um die einzelnen, dicht aneinander anliegenden Flächen der Stege 13 und 14 eines jeden Nadelbettsegments 12 fest zu einem kompakten Element miteinander zu verbin¬ den, befinden sich auf der dem Zylinder 11 zugekehrten Unterseite Nuten bildende Ausnehmungen 15, in welche ein Metall in flüssigem Zustand oder gegebenenfalls auch Kunst stoff eingegossen bzw. eingespritzt wird, welches Material nach dem Erstarren sich über die ganze Breite der Segmente erstreckende Stäbe oder Leisten 16 bildet und den Zusammen halt der Stege 13 und 14 bewirkt.The individual needle bed segments 12 consist of a large number of flat webs 13 and 14, of which the webs 13 have a greater height in the radial direction than the lower webs 14, which alternate from one another in a regular sequence, so that in each case between webs 13 that are noted a path is formed in which the needles are stored un movable up and down; they slide on the outer surface of the flat lower webs 14. The webs 13 and 14 are made of a suitable material that is easy to harden so that the guideways for the needles can have any desired surface hardness. In order to firmly connect the individual, closely abutting surfaces of the webs 13 and 14 of each needle bed segment 12 to form a compact element, there are recesses 15 on the underside facing the cylinder 11, into which grooves a metal in the liquid state or optionally also plastic is poured or injected, which material after solidification extends across the entire width of the segments extending bars or strips 16 and holds together the webs 13 and 14.
Zur Befestigung der einzelnen Segmente an dem Zylinder dienen Spannkeile 17, welche in schwalbenschwanzfÖrmigen Nuten 18 auf der Unterseite der Nadelbettsegmente 12 einge setzt sind und die mittels Spannschrauben 19 gegen das Zentrum des Zylinders gezogen werden.For fastening the individual segments to the cylinder are used clamping wedges 17 which are inserted in dovetail grooves 18 on the underside of the needle bed segments 12 and which are pulled by means of clamping screws 19 against the center of the cylinder.
Um die Nadelbettsegmente 12 am Zylinder 11 exakt zu zen¬ trieren, damit diese eine exakte Lage einnehmen, sind an der Unterseite der Segmente Paßfedern bzw. -leisten 20 angeordnet, welche in am Zylinder 11 angeordnete Nuten 21 eingreifen. Fernerhin können Anschlagflächen 22 bzw. 23In order to exactly center the needle bed segments 12 on the cylinder 11 so that they occupy an exact position, feather keys or strips 20 are arranged on the underside of the segments, which engage in grooves 21 arranged on the cylinder 11. Furthermore, stop surfaces 22 and 23, respectively
IRl OMPI an den Zylindern bzw. an den Segmenten 12 vorgesehen sein, welche aneinander anliegen.IRl OMPI be provided on the cylinders or on the segments 12 which abut each other.
Bei einer derartigen Konstruktion des Nadelbetts von Zylin¬ dern von Rundstrick- bzw. -Wirkmaschinen ist es in ein¬ facher Weise möglich, bei Schäden an bestimmten Stellen des Nadelbetts- das davon betroffene Nadelbettelement 12 rasch auszuwechseln, ohne daß es, wie bisher, notwendig ist, den gesamten Nadelbettzylinder durch einen neuen zu ersetzen. Außerdem ist durch die getrennte Fertigung des Zylinders 11 einerseits und des aus Segmenten 12 zusammengesetzten Nadelbetts andererseits eine wesentlich einfachere und kostengünstigerere Produktion des Nadelbettzylinders mög¬ lich.With such a construction of the needle bed of cylinders of circular knitting or knitting machines, it is possible in a simple manner to quickly replace the affected needle bed element 12 in the case of damage to certain points of the needle bed without it being necessary, as previously, is to replace the entire needle bed cylinder with a new one. In addition, the separate manufacture of the cylinder 11, on the one hand, and the needle bed composed of segments 12, on the other hand, enables the needle bed cylinder to be produced much more simply and cost-effectively.
Vorteilhafterweise sind die Stege 13 an ihrem oberen Ende 24 an der der Achse des Zylinders 11 zugekehrten Innen¬ seite 25 im Bereich der Abschlagstellung der Nadeln mit einer Ausnehmung 26 versehen, welche für die Aufnahme eines Drahtes 27 eines Drahtrings aus gehärtetem Werkstoff bestimmt ist, welcher der Anlage der Nadeln im Abschlag¬ bereich und als Abschlagkante dient. Diese Maßnahme ermög¬ licht es, ein besonders gleichmäßiges und besseres Maschen¬ bild als bisher zu erhalten.Advantageously, the webs 13 are provided at their upper end 24 on the inner side 25 facing the axis of the cylinder 11 in the region of the knock-off position of the needles with a recess 26 which is intended for receiving a wire 27 of a wire ring made of hardened material, which the needles in the tee area and serves as a tee edge. This measure makes it possible to obtain a particularly uniform and better mesh than before.
O PI O PI

Claims

A n s p r ü c h e Expectations
1. Nadelbett für Rundstrick- und -Wirkmaschinen, deren Zylinder Stege aufweist, zwischen welchen die Strick¬ bzw. Wirknadeln in axialer Richtung bewegbar gelagert sind, dadurch gekennzeichnet, daß das Nadelbett aus über den gesamten Umfang des Zylinders (11) gleich¬ mäßig verteilt angeordneten, vorzugsweise gleich breiten, unmittelbar aneinander anliegenden Segmenten (12) besteht, welche aus flachen, dicht aneinander an¬ liegenden Stegen (13,14) unterschiedlicher Höhe, die in regelmäßiger Folge einander abwechseln, zusammenge¬ setzt sind, wobei der Verbund der Stege (13,14) mittels in Ausnehmungen (15) vorzugsweise auf der Unterseite eingegossenen Metalls oder Kunststoffs in Form sich über, die ganze Breite der Segmente erstreckender Stäbe bzw. Leisten (16) od.dgl. bewirkt ist.1. Needle bed for circular knitting and knitting machines, the cylinder has webs, between which the knitting needles or knitting needles are movably mounted in the axial direction, characterized in that the needle bed is uniformly distributed over the entire circumference of the cylinder (11) arranged, preferably of equal width, directly abutting segments (12), which are composed of flat, closely abutting webs (13, 14) of different heights, which alternate in a regular sequence, the composite of the webs (13, 14) by means of metal or plastic in the form of recesses (15), preferably cast on the underside, in the form of bars or strips (16) or the like that extend over the entire width of the segments. is effected.
2. Nadelbett nach Anspruch 1, dadurch gekennzeichnet, daß die die Stege (13,14) miteinander verbindenden Metall¬ stäbe bzw. -leisten (16) einen trapezförmigen Quer¬ schnitt aufweisen.2. Needle bed according to claim 1, characterized in that the webs (13, 14) interconnecting metal rods or strips (16) have a trapezoidal cross-section.
3. Nadelbett nach Anspruch 1 oder 2, dadurch gekennzeich¬ net, daß die Segmente (12) mittels in auf deren Unter¬ seite angeordnete Schwalbenschwanznuten (18) einge¬ setzten Spannkeilen (17) am Zylinder (11) festgespannt sind.3. Needle bed according to claim 1 or 2, characterized gekennzeich¬ net that the segments (12) by means of dovetail grooves arranged on their underside (18) inserted wedges (17) are clamped to the cylinder (11).
4. Nadelbett nach Anspruch 1, 2 oder 3, dadurch gekenn¬ zeichnet, daß zur Zentrierung und Lagebestimmung der Segmente (12) an deren Unterseite Paßfedern bzw. -leisten (20) und gegebenenfalls Anschlagflächen (22) angeordnet sind, welche in am Zylinder (11) angeordnete4. needle bed according to claim 1, 2 or 3, characterized gekenn¬ characterized in that for centering and determining the position of the segments (12) on the underside keys or strips (20) and optionally stop surfaces (22) are arranged, which in on the cylinder (11) arranged
_ OMP Sfo, WIP * Nuten (21) eingreifen bzw. an Anschlagflächen (23) anliegen._ OMP Sfo, WIP * Engage grooves (21) or rest against stop surfaces (23).
5. Nadelbett nach Anspruch 1, 2, 3 oder 4, dadurch gekenn¬ zeichnet, daß die Stege (13) an ihrem oberen Ende (24) an der Innenseite (25) im Bereich der Abschlagstellung der Nadeln eine für die Aufnahme eines, der Anlage der Nadeln und als Abschlagkante dienenden Drahtes (27) aus gehärtetem Werkstoff vorgesehene Ausnehmung (26) aufweisen. 5. needle bed according to claim 1, 2, 3 or 4, characterized gekenn¬ characterized in that the webs (13) at their upper end (24) on the inside (25) in the region of the knock-off position of the needles one for receiving one The system of the needles and the wire (27) made of hardened material and serving as a tapping edge have a recess (26).
PCT/DE1984/000205 1983-10-07 1984-10-03 Needle bar for circular knitting machine WO1985001756A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3336594A DE3336594A1 (en) 1983-10-07 1983-10-07 NEEDLE BED FOR CIRCULAR KNITTING AND KNITTING MACHINES
DEP3336594.6 1983-10-07

Publications (1)

Publication Number Publication Date
WO1985001756A1 true WO1985001756A1 (en) 1985-04-25

Family

ID=6211299

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE1984/000205 WO1985001756A1 (en) 1983-10-07 1984-10-03 Needle bar for circular knitting machine

Country Status (8)

Country Link
EP (1) EP0144598B1 (en)
JP (1) JPS61500127A (en)
CS (1) CS261221B2 (en)
DD (1) DD232727A5 (en)
DE (2) DE3336594A1 (en)
ES (1) ES536892A0 (en)
SU (1) SU1449019A3 (en)
WO (1) WO1985001756A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITFI20120209A1 (en) * 2012-10-15 2014-04-16 Renato Pilotelli "SINGLE CYLINDER KNITWEAR MACHINE"
WO2015125087A1 (en) * 2014-02-24 2015-08-27 Santoni S.P.A. Circular knitting machine
IT201700038900A1 (en) * 2017-04-07 2018-10-07 Alberto Pilotelli NEEDLE CYLINDER FOR A SINGLE FRONT KNITTING MACHINE

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB249996A (en) * 1925-03-10 1926-04-08 Franklin Billson Improvements in or relating to circular knitting machines
GB586771A (en) * 1944-10-07 1947-03-31 Bentley Eng Co Ltd Improvements in and relating to grooved or tricked beds for sliding instruments
US3290900A (en) * 1963-07-10 1966-12-13 Scott & Williams Inc Knitting machine elements
FR2150026A5 (en) * 1971-08-11 1973-03-30 Fouquet Werk Frauz & Planck

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB249996A (en) * 1925-03-10 1926-04-08 Franklin Billson Improvements in or relating to circular knitting machines
GB586771A (en) * 1944-10-07 1947-03-31 Bentley Eng Co Ltd Improvements in and relating to grooved or tricked beds for sliding instruments
US3290900A (en) * 1963-07-10 1966-12-13 Scott & Williams Inc Knitting machine elements
FR2150026A5 (en) * 1971-08-11 1973-03-30 Fouquet Werk Frauz & Planck

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITFI20120209A1 (en) * 2012-10-15 2014-04-16 Renato Pilotelli "SINGLE CYLINDER KNITWEAR MACHINE"
WO2014060325A1 (en) * 2012-10-15 2014-04-24 Renato Pilotelli Single-cylinder knitting machine and needle cylinder for said machine
WO2015125087A1 (en) * 2014-02-24 2015-08-27 Santoni S.P.A. Circular knitting machine
US10287715B2 (en) 2014-02-24 2019-05-14 Santoni S.P.A. Circular knitting machine
EP3779007A1 (en) * 2014-02-24 2021-02-17 SANTONI S.p.A. Circular knitting machine
IT201700038900A1 (en) * 2017-04-07 2018-10-07 Alberto Pilotelli NEEDLE CYLINDER FOR A SINGLE FRONT KNITTING MACHINE

Also Published As

Publication number Publication date
CS261221B2 (en) 1989-01-12
DE3336594A1 (en) 1985-04-25
DE3470761D1 (en) 1988-06-01
JPS61500127A (en) 1986-01-23
SU1449019A3 (en) 1988-12-30
JPH0515812B2 (en) 1993-03-02
ES8506828A1 (en) 1985-08-01
DD232727A5 (en) 1986-02-05
EP0144598A1 (en) 1985-06-19
EP0144598B1 (en) 1988-04-27
ES536892A0 (en) 1985-08-01

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