EP1799897B1 - Pivot bearing for a loom and loom comprising a pivot bearing - Google Patents

Pivot bearing for a loom and loom comprising a pivot bearing Download PDF

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Publication number
EP1799897B1
EP1799897B1 EP05798259A EP05798259A EP1799897B1 EP 1799897 B1 EP1799897 B1 EP 1799897B1 EP 05798259 A EP05798259 A EP 05798259A EP 05798259 A EP05798259 A EP 05798259A EP 1799897 B1 EP1799897 B1 EP 1799897B1
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EP
European Patent Office
Prior art keywords
leaf spring
weaving machine
support bearing
loom
support
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.)
Not-in-force
Application number
EP05798259A
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German (de)
French (fr)
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EP1799897A1 (en
Inventor
Kristof Roelstraete
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.)
Picanol NV
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Picanol NV
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Filing date
Publication date
Application filed by Picanol NV filed Critical Picanol NV
Publication of EP1799897A1 publication Critical patent/EP1799897A1/en
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Publication of EP1799897B1 publication Critical patent/EP1799897B1/en
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    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D49/00Details or constructional features not specially adapted for looms of a particular type
    • D03D49/02Construction of loom framework
    • D03D49/025Ground supports
    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D49/00Details or constructional features not specially adapted for looms of a particular type
    • D03D49/02Construction of loom framework

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
  • Replacement Of Web Rolls (AREA)
  • Spinning Or Twisting Of Yarns (AREA)

Abstract

The invention relates to a pivot bearing (1) for a loom, in particular for the rear face (20) of the loom, equipped with an essentially vertical plate spring. Said spring lies on a plane that runs parallel to the longitudinal direction A of the loom and lies preferably vertically below the rotational axis (10) of the warp beam (4).

Description

Die Erfindung betrifft ein Stützlager für eine Webmaschine, insbesondere für die Rückseite einer Webmaschine, und eine Webmaschine mit einem Stützlager.The invention relates to a support bearing for a loom, in particular for the back of a loom, and a loom with a support bearing.

Aus der EP 139773 A1 ist eine schwingungsisolierende und -dämpfende Lagerung einer Webmaschine bekannt. Bei dieser Bauart sind für die Vorderseite der Webmaschine (Seite des Warenbaums) und auch für die Rückseite der Webmaschine (Seite des Kettbaums) federnde Stützlager vorgesehen. Die vertikale Steifheit des federnden Stützlagers der Rückseite ist wesentlich größer als die vertikale Steifheit des Stützlagers an der Vorderseite.From the EP 139773 A1 is a vibration isolating and -dämpfende storage of a loom known. In this design, resilient support bearings are provided for the front of the loom (side of the cloth tree) and also for the back of the loom (side of the warp beam). The vertical stiffness of the resilient support bearing the back is much greater than the vertical stiffness of the support bearing on the front.

Der Erfindung liegt die Aufgabe zugrunde, ein verbessertes Stützlager für eine Webmaschine zu schaffen, insbesondere für die Rückseite einer Webmaschine.The invention has for its object to provide an improved support bearing for a loom, especially for the back of a loom.

Diese Aufgabe wird dadurch gelöst, dass das Stützlager als Abstützelement ein Blattfederelement enthält, das wenigstens annähernd vertikal ausgerichtet ist.This object is achieved in that the support bearing contains a leaf spring element as a support, which is aligned at least approximately vertically.

Ein derartiges Blattfederelement stützt die Webmaschine und insbesondere die Webmaschine im Bereich ihrer Rückseite, in vertikaler Richtung relativ steif ab. Wenn die Webmaschine im Bereich der Vorderseite relativ weich federnd gelagert ist, so lässt das Blattfederelement eine Bewegung um eine in Längsrichtung der Webmaschine verlaufende Achse zu. Ein besonderer Vorteil eines derartigen Stützlagers ist es, dass es einfach und kostengünstig herstellbar und nur wenig verschleißanfällig ist.Such a leaf spring element supports the weaving machine and in particular the weaving machine in the region of its rear side, relatively stiff in the vertical direction. If the weaving machine is mounted relatively soft resiliently in the region of the front, leaves the leaf spring element to move about an axis extending in the longitudinal direction of the loom to. A particular advantage of such a support bearing is that it is simple and inexpensive to produce and little susceptible to wear.

Bei einer vorteilhaften Ausführungsform wird vorgesehen, dass das Blattfederelement mit seinen Flachseiten wenigstens annähernd parallel zur Längsrichtung der Webmaschine auszurichten ist. Weiter ist es dabei vorteilhaft, wenn das Blattfederelement im wesentlichen vertikal unter einer Drehachse eines Kettbaums der Webmaschine angeordnet ist. Diese Ausbildung bietet den Vorteil, dass die Rückseite der Webmaschine immer im wesentlichen in gleicher Weise abgestützt bleibt, auch wenn sich das Gewicht des Kettbaums im Verlauf des Webvorganges verändert.In an advantageous embodiment, it is provided that the leaf spring element is to be aligned with its flat sides at least approximately parallel to the longitudinal direction of the loom. Further, it is advantageous if the leaf spring element is arranged substantially vertically below a rotation axis of a warp beam of the loom. This design has the advantage that the back of the loom always remains supported in substantially the same way, even if the weight of the warp beam changes in the course of the weaving process.

In weiterer Ausgestaltung der Erfindung wird bei einer Webmaschine mit zwei Seitenteilen vorgesehen, dass die Seitenteile an der Rückseite der Webmaschine jeweils mit einem Stützlager mit einem Blattfederelement abgestützt sind. Bei einer Webmaschine, bei welcher zwei Kettbäume nebeneinander angeordnet sind, werden diese mit einer Zwischenstütze aufgenommen. Dabei ist es vorteilhaft, wenn die Zwischenstütze mit einem Stützlager mit einem Blattfederelement abgestützt ist. Dies bietet den Vorteil, dass die Kettbäume durch die steife Unterstützung in vertikaler Richtung, die zwischen beiden Kettbäumen angeordnet ist, exakt parallel zueinander ausgerichtet bleiben. Dadurch werden Relativbewegungen zwischen den nebeneinander angeordneten Kettbäumen weitestgehend ausgeschlossen.In a further embodiment of the invention, it is provided in a weaving machine with two side parts that the side parts are supported on the back of the loom each with a support bearing with a leaf spring element. In a weaving machine in which two warp beams are arranged side by side, they are taken up with an intermediate support. It is advantageous if the intermediate support is supported by a support bearing with a leaf spring element. This has the advantage that the warp beams remain aligned exactly parallel to each other due to the stiff support in the vertical direction, which is arranged between the two warp beams. As a result, relative movements between the adjacent warp beams are largely excluded.

Weitere Merkmale und Vorteile der Erfindung ergeben sich aus der Beschreibung der in den Zeichnungen dargestellten Ausführungsbeispielen.

Fig. 1
zeigt eine Seitenansicht einer erfindungsgemäßen Webmaschine,
Fig. 2
eine vergrößerte Darstellung einer Einzelheit der Fig. 1,
Fig. 3
einen Teil der Fig. 1 in nochmals vergrößerter Darstellung in perspektivischer Ansicht,
Fig. 4
eine Ansicht der Rückseite einer Webmaschine mit zwei Kettbäumen,
Fig. 5
einen Schnitt entlang der Linie V-V der Fig. 4 und
Fig. 6
eine Ansicht ähnlich Fig. 3 einer abgewandelten Ausführungsform.
Further features and advantages of the invention will become apparent from the description of the embodiments illustrated in the drawings.
Fig. 1
shows a side view of a weaving machine according to the invention,
Fig. 2
an enlarged view of a detail of Fig. 1 .
Fig. 3
a part of Fig. 1 in a further enlarged view in perspective view,
Fig. 4
a view of the back of a loom with two warp beams,
Fig. 5
a section along the line VV the Fig. 4 and
Fig. 6
a view similar Fig. 3 a modified embodiment.

In Fig. 1 bis 3 ist ein Stützlager 1 für eine Webmaschine dargestellt, das eine Blattfeder 5 enthält, die im wesentlichen vertikal ausgerichtet ist. Das Stützlager 1 mit der Blattfeder 5 ist an der Rückseite 20 der Webmaschine angeordnet und an einem Seitenteil 3 der Webmaschine angebracht. Die Blattfeder 5 erstreckt sich mit ihren Flachseiten parallel zu einer im wesentlichen vertikalen Ebene 15, die parallel zur Drehachse 10 eines Kettbaumes 4 verläuft. Die Blattfeder 5 ist dabei im wesentlichen vertikal unterhalb der Drehachse 10 des Kettbaums 4 angeordnet, der auf einer Halterung 18 montiert und mit einem Klemmelement 19 befestigt ist.In Fig. 1 to 3 a support bearing 1 is shown for a weaving machine, which includes a leaf spring 5 which is oriented substantially vertically. The support bearing 1 with the leaf spring 5 is arranged on the back 20 of the loom and attached to a side part 3 of the loom. The leaf spring 5 extends with its flat sides parallel to a substantially vertical plane 15, which runs parallel to the axis of rotation 10 of a warp beam 4. The leaf spring 5 is arranged substantially vertically below the axis of rotation 10 of the warp beam 4, which is mounted on a bracket 18 and secured with a clamping element 19.

An der Vorderseite 21 der Webmaschine (an der Seite des Warenbaums) ist das Seitenteil 3 mittels einer konventionellen Federstütze 2 abgestützt. Die Blattfeder 5 ist an dem Seitenteil 3 der Webmaschine beispielsweise mittels einer Stützplatte 6 angebracht, die mittels Schrauben 24 an dem Seitenteil 3 befestigt ist. Das andere Ende der Blattfeder 5 ist an einer Bodenplatte 7 befestigt, die ihrerseits an dem Boden 13 mittels Schrauben oder Klebemitteln o.dgl. befestigt ist. Die Blattfeder 5 erstreckt sich zwischen den parallel zueinander verlaufenden Stützplatten 6 und 7. Das untere Ende der Blattfeder 5 ist mittels Schrauben 23 zwischen Halterungsblöcken 22 eingespannt, von denen einer fest mit der Bodenplatte 7 verbunden ist. Das obere Ende der Blattfeder 5 ist mittels eines Halterungsblocks 22 und Schrauben 23 an einer Stirnseite der Stützplatte 6 gehalten.At the front 21 of the loom (on the side of the cloth tree), the side part 3 is supported by means of a conventional spring support 2. The leaf spring 5 is attached to the side part 3 of the loom, for example by means of a support plate 6 which is fastened by means of screws 24 to the side part 3. The other end of the leaf spring 5 is fixed to a bottom plate 7, which in turn or the like at the bottom 13 by means of screws or adhesives. is attached. The leaf spring 5 extends between the mutually parallel support plates 6 and 7. The lower end of the leaf spring 5 is clamped by means of screws 23 between support blocks 22, one of which is fixedly connected to the bottom plate 7. The upper end of the leaf spring 5 is held by means of a support block 22 and screws 23 on an end face of the support plate 6.

Wie Fig. 4 zeigt, ist ein derartiges Stützlager 1 mit der Blattfeder 5 jedem Seitenteil 3 und 11 im Bereich der Rückseite 20 der Webmaschine zugeordnet. An jedem dieser Seitenteile 3 und 11 kann im Bereich der Vorderseite 21 der Webmaschine (im Bereich des Warenbaums) eine konventionelle Federstütze 2 angebracht sein, die in vertikaler Richtung nachgiebig ist. Bei einem Einfedern der Federstütze 2 erfolgt eine Biegung innerhalb der Blattfedern 5 der Stützlager 1 um eine parallel zur Drehachse 10 des Kettbaums 4 verlaufende Biegeachse. Die in Fig. 4 dargestellte Webmaschine besitzt zwei Kettbäume 4 und 14, die in Längsrichtung A der Webmaschine nebeneinander angeordnet sind. Zwischen diesen beiden Kettbäumen 4 und 14 befindet sich eine Zwischenstütze 12, die über ein Stützlager 1 mit Blattfeder 5 abgestützt ist. Der Kettbaum 4 ruht auf dem Seitenteil 3 und der Zwischenstütze 12. Der Kettbaum 14 ruht auf dem Seitenteil 11 und der Zwischenstütze 12.As Fig. 4 shows, such a support bearing 1 with the leaf spring 5 is assigned to each side part 3 and 11 in the region of the back 20 of the loom. At each of these side parts 3 and 11, in the region of the front side 21 of the weaving machine (in the region of the goods tree), a conventional spring support 2 may be attached, which is yielding in the vertical direction. In a compression of the spring support 2, a bend takes place within the leaf springs 5 of the support bearing 1 about a parallel to the axis of rotation 10 of the warp beam 4 extending bending axis. In the Fig. 4 Loom shown has two warp beams 4 and 14, which are arranged side by side in the longitudinal direction A of the loom. Between these two warp beams 4 and 14 is an intermediate support 12 which is supported by a support bearing 1 with leaf spring 5. The warp beam 4 rests on the side part 3 and the intermediate support 12. The warp beam 14 rests on the side part 11 and the intermediate support 12th

Wie in Fig. 5 dargestellt ist, besitzt die Zwischenstütze 12 eine Aussparung 16, an der die Blattfeder 5 des Stützlagers 1 mittels Schrauben 23 befestigt ist. Das untere Ende der Blattfeder 5 ist mittels Schrauben 23 an einer abgestuften Stützplatte 17 befestigt. Es ist selbstverständlich auch möglich, die Blattfeder 5 des Stützlagers 1 der Zwischenstütze 12 auf andere Art und Weise zu befestigen, beispielsweise entsprechend der Blattfeder 5 nach Fig. 2. Die Blattfedern 5 der Stützlager 1 der Seitenteile 3 und 11 und der Zwischenstütze 12 sind bevorzugt alle in der gleichen Ebene angeordnet, die im wesentlichen vertikal in Längsrichtung A der Webmaschine verläuft.As in Fig. 5 is shown, the intermediate support 12 has a recess 16 to which the leaf spring 5 of the support bearing 1 is fastened by means of screws 23. The lower end of the leaf spring 5 is fastened by means of screws 23 to a stepped support plate 17. It is of course also possible to attach the leaf spring 5 of the support bearing 1 of the intermediate support 12 in other ways, for example according to the leaf spring 5 after Fig. 2 , The leaf springs 5 of the support bearing 1 of the side parts 3 and 11 and the intermediate support 12 are preferably all arranged in the same plane, which extends substantially vertically in the longitudinal direction A of the loom.

Von einer vertikal angeordneten Blattfeder 5 kann eine relativ große Kraft aufgenommen werden, ohne dass sich die Blattfeder 5 in vertikaler Richtung verformt. Dies ist vor allem vorteilhaft, da dadurch erreicht wird, dass die Position der Rückseite 20 der Webmaschine bei einem vollen Kettbaum 4 oder 14 nahezu gleich bleibt wie bei einem leeren Kettbaum. Wenn die Vorderseite 21 der Webmaschine im Bereich der Seitenteile 3 und 11 mit relativ weichen Federstützen 2 federnd gelagert ist, beispielsweise Federstützen mit Spiralfedern, wird sich die Webmaschine mit ihrer Vorderseite 21 über einen bestimmten Weg nach oben und nach unten bewegen. Diese Bewegung wird von den Blattfedern 5 nicht verhindert, da die Blattfedern 5 eine Schwenkbewegung der Webmaschine mittels ihrer Biegung um eine in Längsrichtung A verlaufende Achse ermöglichen, bevorzugt um eine Achse, die parallel zur Drehachse 10 des oder der Kettbäume 4, 14 verläuft. Diese Schwenkbewegung ist ohne weiteres möglich, da sich die Blattfedern 5 biegend verformen können.From a vertically arranged leaf spring 5, a relatively large force can be absorbed without the leaf spring 5 deformed in the vertical direction. This is particularly advantageous since it ensures that the position of the back 20 of the loom remains almost the same for a full warp beam 4 or 14 as for an empty warp beam. When the front 21 of the weaving machine in the region of the side parts 3 and 11 are resiliently mounted with relatively soft spring supports 2 is, for example spring supports with coil springs, the weaving machine will move with its front side 21 over a certain way up and down. This movement is not prevented by the leaf springs 5, since the leaf springs 5 allow a pivoting movement of the weaving machine by means of its bending about an axis extending in the longitudinal direction A, preferably about an axis which is parallel to the axis of rotation 10 of the warp beams 4 or 14. This pivoting movement is readily possible because the leaf springs 5 can deform bending.

Die bei den erfindungsgemäßen Stützlagern verwendeten Blattfedern 5 haben beispielsweise eine Höhe von 70 mm, eine Dicke von 3 mm und eine Länge von 125 mm in Längsrichtung A der Webmaschine. Diese aus normalem Federstahl bestehenden Blattfedern 5 können das Gewicht einer normal schweren Webmaschine mit vollem Kettbaum tragen und dennoch eine Schwenkbewegung der Webmaschine um eine in Längsrichtung A verlaufende Achse zulassen.The leaf springs 5 used in the support bearings according to the invention have, for example, a height of 70 mm, a thickness of 3 mm and a length of 125 mm in the longitudinal direction A of the loom. This made of normal spring steel leaf springs 5 can carry the weight of a normal heavy loom with full warp beam and still allow a pivoting movement of the loom around a longitudinal axis A extending axis.

Wie in Fig. 6 dargestellt ist, können anstelle einer einteiligen Blattfeder 5 ein oder mehrere Blattfederpakete 9 vorgesehen werden. Dabei können zwei oder mehrere Blattfederpakete, die jeweils aus zwei oder mehreren Blattfedern bestehen, mit gleicher Ausrichtung nebeneinander angeordnet werden. Sie erfüllen zusammen die Funktion der Blattfeder 5 nach Fig. 3. Die Blattfedern 5 der Stützlager 1 nach Fig. 1 bis 5 können in entsprechender Weise durch eine oder mehrere derartiger Blattfederpakete 9 ersetzt werden.As in Fig. 6 is shown, one or more leaf spring assemblies 9 may be provided instead of a one-piece leaf spring 5. In this case, two or more leaf spring assemblies, each consisting of two or more leaf springs, are arranged side by side with the same orientation. Together they fulfill the function of the leaf spring 5 after Fig. 3 , The leaf springs 5 of the support bearing 1 after Fig. 1 to 5 can be replaced in a corresponding manner by one or more such leaf spring assemblies 9.

Das erfindungsgemäße Stützlager hat den Vorteil, dass es praktisch an jeder existierenden Webmaschine ohne weiteres angebracht werden kann.The support bearing according to the invention has the advantage that it can be attached to virtually any existing loom easily.

Die Erfindung ist nicht auf das beispielhaft dargestellte Stützlager 1 und/oder die ebenfalls beispielhaft dargestellte Webmaschine beschränkt. Im Rahmen der Erfindung können verschiedene Variationen und Kombinationen der dargestellten Ausführungsformen verwirklicht werden.The invention is not limited to the support bearing 1 shown by way of example and / or the weaving machine also shown by way of example. Within the scope of the invention, various variations and combinations of the illustrated embodiments may be practiced.

Claims (10)

  1. Support bearing (1) for a weaving machine, in particular for the rear side (20) of a weaving machine, characterised in that the support bearing (1) comprises as support element a leaf spring element (5, 9), which is aligned at least approximately vertically.
  2. Support bearing according to claim 1, characterised in that the leaf spring element (5, 9) with its flat sides is aligned at least approximately parallel to the longitudinal direction A of the weaving machine.
  3. Support bearing according to claim 1 or 2, characterised in that the leaf spring element (5, 9) is arrangeable essentially vertical under a rotational axis (10) of a warp beam (4; 4, 14) of the weaving machine.
  4. Support bearing according to one of claims 1 to 3, characterised in that the leaf spring element is mounted at a ground plate (7, 17) and projects from this essentially vertically upwards.
  5. Support bearing according to one of claims 1 to 4, characterised in that the leaf spring element is a single leaf spring (5).
  6. Support bearing according to one of claims 1 to 4, characterised in that the leaf spring element contains one or more leaf spring packages (9).
  7. Weaving machine with at least one support bearing in particular for the rear side of the weaving machine, characterised in that at least one support bearing (1) is provided according to one of the claims 1 to 6.
  8. Weaving machine according to claim 7, characterised in that the weaving machine has two side parts (3, 11) and in that the side parts (3, 11) at the rear side (20) of the weaving machine are supported each time with a support bearing (1) according to at least one of the claims 1 to 6.
  9. Weaving machine according to claim 7 or 8, characterised in that the weaving machine has an intermediate support (12) for warp beams (4, 14) and in that the intermediate support (12) is supported with a support bearing (1) according to one of the claims 1 to 6.
  10. Weaving machine according to one of claims 7 to 9, characterised in that the leaf spring element (5, 9) of the support bearings (1) is arranged essentially vertically under a rotational axis (10) of a warp beam (4; 4, 14) and is aligned with the flat side parallel to this rotational axis.
EP05798259A 2004-10-15 2005-10-13 Pivot bearing for a loom and loom comprising a pivot bearing Not-in-force EP1799897B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE2004/0507A BE1016241A6 (en) 2004-10-15 2004-10-15 WEAVING MACHINE WITH A SUPPORT.
PCT/EP2005/010993 WO2006042685A1 (en) 2004-10-15 2005-10-13 Pivot bearing for a loom and loom comprising a pivot bearing

Publications (2)

Publication Number Publication Date
EP1799897A1 EP1799897A1 (en) 2007-06-27
EP1799897B1 true EP1799897B1 (en) 2010-03-10

Family

ID=35510985

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05798259A Not-in-force EP1799897B1 (en) 2004-10-15 2005-10-13 Pivot bearing for a loom and loom comprising a pivot bearing

Country Status (5)

Country Link
EP (1) EP1799897B1 (en)
AT (1) ATE460521T1 (en)
BE (1) BE1016241A6 (en)
DE (1) DE502005009207D1 (en)
WO (1) WO2006042685A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11091796B2 (en) 2014-03-05 2021-08-17 Guardant Health, Inc. Systems and methods to detect rare mutations and copy number variation

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113235217B (en) * 2021-06-03 2023-05-26 常德纺织机械有限公司 Warp beam supporting structure of warp knitting machine

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0139773B1 (en) * 1983-10-19 1987-01-21 GebràœDer Sulzer Aktiengesellschaft Vibration isolating and damping support for a loom
EP0247968A1 (en) * 1986-05-29 1987-12-02 GebràœDer Sulzer Aktiengesellschaft Frame for a loom
BE1009096A3 (en) * 1995-02-07 1996-11-05 Picanol Nv Weaving machine MOUNTS ON AIR.
IT1297041B1 (en) * 1997-12-31 1999-08-03 Vamatex Nuova Spa SUSPENSION OF A TEXTILE FRAME TO INCREASE STABILITY DURING OPERATION

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11091796B2 (en) 2014-03-05 2021-08-17 Guardant Health, Inc. Systems and methods to detect rare mutations and copy number variation

Also Published As

Publication number Publication date
EP1799897A1 (en) 2007-06-27
DE502005009207D1 (en) 2010-04-22
WO2006042685A1 (en) 2006-04-27
ATE460521T1 (en) 2010-03-15
BE1016241A6 (en) 2006-06-06

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