EP1500732B1 - Webblatt und Lamelle - Google Patents

Webblatt und Lamelle Download PDF

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Publication number
EP1500732B1
EP1500732B1 EP04017564A EP04017564A EP1500732B1 EP 1500732 B1 EP1500732 B1 EP 1500732B1 EP 04017564 A EP04017564 A EP 04017564A EP 04017564 A EP04017564 A EP 04017564A EP 1500732 B1 EP1500732 B1 EP 1500732B1
Authority
EP
European Patent Office
Prior art keywords
section
profile
width
edge
lamellas
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP04017564A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1500732A2 (de
EP1500732A3 (de
Inventor
Jozef Peeters
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
Original Assignee
Picanol NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from BE9800446A external-priority patent/BE1012031A3/nl
Priority claimed from BE9800649A external-priority patent/BE1012164A3/nl
Priority claimed from BE9800648A external-priority patent/BE1013010A6/nl
Application filed by Picanol NV filed Critical Picanol NV
Publication of EP1500732A2 publication Critical patent/EP1500732A2/de
Publication of EP1500732A3 publication Critical patent/EP1500732A3/de
Application granted granted Critical
Publication of EP1500732B1 publication Critical patent/EP1500732B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D47/00Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
    • D03D47/27Drive or guide mechanisms for weft inserting
    • D03D47/277Guide mechanisms
    • D03D47/278Guide mechanisms for pneumatic looms
    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D49/00Details or constructional features not specially adapted for looms of a particular type
    • D03D49/60Construction or operation of slay
    • D03D49/62Reeds mounted on slay

Definitions

  • the invention relates to a reed with a plurality of juxtaposed in a row slats whose ends are held in a lower, to be mounted in a loading beam of a sley profile and in an upper profile.
  • slats are provided, which between the lower and the upper portion still have a portion with a U-shaped cut-out, through which a guide channel for the weft thread is formed.
  • the invention has for its object to provide a reed of the type mentioned, which is suitable for high weaving speeds.
  • the invention is based on the recognition that the cause of the occurring at high weaving speeds strip in the tissue in the reeds, in which then dynamic vibrations of the slats arise. Due to the broadening of the slats in the lower portion of the slats are relatively stiff, so that the deflection, especially when striking a weft thread is reduced, and thus the resulting vibrations of the slats.
  • the upper, relatively narrow portion which is farther from the axis of rotation of the batten, however, has a low weight, whereby the force of inertia acting on this portion of the slats remain correspondingly low due to the reciprocating motion of the batten and the deflections and vibrations dependent thereon ,
  • the vibrations of the fins are thus limited due to their relatively stiff lower portion and their relatively light upper portion.
  • leading edges of the lower portion and the upper portion of the slats are at least approximately aligned with a stop edge formed in the region of the cutout. This ensures that the reed formed with these blades can be used as an alternative to a conventional reed, without significant changes to a loom are necessary.
  • the slats facing away from the guide channel have between the upper and the lower profile substantially rectilinear edge. This has the advantage that the slats can be placed during the assembly of a reed with this edge.
  • the lamellae have in the section with which they protrude into the lower or upper profile, a wedge-shaped decreasing width, wherein the cross section of the lower and / or upper profile of this wedge-shaped shape is adapted.
  • This embodiment of the invention has the advantage that in particular the outer contour of the lower profile compared to conventional reeds must not be changed, so that it is readily possible to use an inventive reed as an alternative to conventional reeds without having to make further changes to the loom , With the help of this configuration, reeds can be formed with relatively wide slats with straight front edge and rear edge, which are recommended for weaving with high weaving speeds and / or for weaving heavy fabrics.
  • these wide slats can be used without the width of the lower profile must be changed significantly.
  • the same fastening means can be used with which reeds with different width slats can be attached to the same load beam of a sley.
  • the reed 20 shown in FIGS. 1 and 2 has a plurality of lamellae 21 arranged next to one another in a row.
  • the slats 21 are provided with a cutout so that they form a guide channel 5 for a weft thread to be inserted.
  • the lamellae 21 are held in their upper and lower end regions by means of connecting spirals 6, 19 at a defined distance from each other and secured in an upper profile 8 and a lower profile 22.
  • the lamellae 21 are glued into the connecting spirals 6, 19 as well as into the upper profile 8 and the lower profile 22.
  • the lower profile 22 is fastened to a loading beam 12 by means of a wedge 23 and screws 11.
  • the loading beam 12 is fixed in a known manner by means of Laden stilts parallel to the loading shaft on the loading shaft of the batten.
  • the fins 21 have a substantially rectangular lower portion 14 having a width 15 of about 6 mm. This is significantly larger than the width of the usual slats, which is on the order of only 4 mm.
  • the fins 21 further have a substantially rectangular upper portion 16 having a width of the order of 4 mm. This corresponds to the width of the conventional blades in this section.
  • the fins 21 also have a central portion 18, the U-shaped is profiled and connects to the lower portion 14 and the upper portion 16.
  • the middle portion 18 has an edge 24 which connects to the back edge 25 of the lower portion 14 and the back edge 26 of the upper portion 16.
  • the middle portion 18 is provided on its front side with an upper curved edge 27, which merges into the front edge 13 of the upper portion 16. This curved edge 27 passes over a curve in the upper edge 29 of the cutout, which form the guide channel 5.
  • the front edge 32 of the lower portion 14 includes a curved edge 28, which merges with a rounding in the lower edge 30 of the guide channel 5 forming cutouts.
  • the lamellae 21 form in the region of the guide channel 5 a stop edge 31 which is in a line 33 with the front edge 13 of the upper portion 16 and the front edge 32 of the lower portion 14.
  • the section 14 with a width of about 6 mm in addition to the advantages already mentioned above still has the advantage that the lamellae 21 are much stronger in comparison with the conventional lamellae in the region between the lower profile 22 and the stop edge 31, so that the risk of fractures of the fins 21 in this area is lower.
  • the area of the upper portion 16 has been extended by shortening the curved edge 27.
  • the weight of the slats in the region of this section 16 is reduced compared to the conventional slats.
  • the center of the stop edge 31, with the usual weft threads are struck at the edge of the fabric, is located at a distance 34 of about 48 mm from the lower end of the fins 21.
  • the distance 35 between the lower end and the upper end of the fins 21 is approximately 104 mm. This distance may be in modified embodiments between about 94 mm and 104 mm.
  • the slats shown in FIGS. 3 and 4 have the same advantages as the slats of FIG.
  • the lamella 37 of FIG. 3 has in the upper portion 16 a short straight edge 38 which connects by means of a relatively long, straight edge 39 to the also relatively short, straight edge 25 of the lower portion 14.
  • another, curved front edge is provided, which is shorter than the edge 28 of the embodiment of FIG.
  • the lamella 41 according to FIG. 4 has, above the recess 5, an edge 42 which is longer than the edge 27 according to FIGS. 2 and 3 and corresponds approximately to the edges of conventional lamellae.
  • the lamellae 41 in the section 16 have a relatively long, straight edge 26 (similar to FIG. 2) and in the region of the lower section 14 a relatively long, straight edge 43. These two are connected in the area above the guide channel by means of a relatively short, also rectilinear edge 44.
  • the weight of the blade 41 above the stop edge 31 is slightly larger than in the embodiment of FIG. 2 or 3, but also the width and thus the strength of the fins 41 between the lower profile 22 and the stop edge 31 is greater.
  • a blade 45 is shown, which is similar to the blade 37 of FIG. 3 executed, however, the rear edge 46 between the upper end 48 and the lower end 49 of the fins 45 is a straight line.
  • the edge 46 passes at an angle 47 of about 1.15 ° to a line 52 which is parallel to the line 33 which is defined by the leading edge 23 of the upper portion 16, the leading edge 32 of the lower portion 14 and the stop edge 31 ,
  • the blade 50 shown in Fig. 6 is similar to the blade 41 of FIG. 4, but also runs here the back Edge 51 between the upper end 48 and the lower end 49 of the fins 50 rectilinear.
  • the fins 45 and 50 In the region of the upper profile, the fins 45 and 50 have an approximately rectangular side surface of about 4 mm and in the region of the lower profile, a substantially rectangular portion 14 having a width 15 in the order of 6 mm.
  • the fins 61 have a rectilinear rear edge 69 extending from the upper portion 16. In the region of their leading edge, they are designed according to the embodiment of FIG. 2, so that reference is made to the description thereof.
  • the lower portion 14 is again divided into two sections 66 and 68, wherein the upper portion 68 tapers from the upper edge 63 of the profile 62 to the portion 66 out.
  • the lower portion 66 has a width 67 of about 4 mm.
  • a wedge-shaped portion 68 which connects the lower portion 66 with the protruding from the lower profile portion of the section 14, wherein the portion 14 has a width 15 of about 6 mm.
  • the leading edge 65 of this section merges into the curved leading edge 28.
  • the leading edge of the lowermost portion 66 is in line with the stop edge 31 and the edge 13 of the upper distance.
  • the front edge of the lower profile 62 has a distance 70 of about 2 mm. This results in a construction in which the width of the profile 62 is virtually identical to the width of a conventional profile.
  • the lower profile has a width of about 8 mm, so that the same fasteners can be used as in conventional reeds, ie the terminal block 10 and the screws 11 to attach them to a loading beam 12.
  • the reed 60 can against a conventional reed be exchanged without thereby changing the stop position of the stop edges of these reeds.
  • the blades 71 of a reed 72 have substantially the shape of the blades 61 of the embodiment of FIG. 8. However, they differ in the region of the lower portion 73, with which they are mounted within a lower profile 76.
  • the lower portion 73 of the blades 71 has in the protruding from the top edge 77 of the profile 76 part has a width in the direction B of about 6 mm.
  • the part of the section 73 located inside the profile then tapers to a width of about 4 mm, wherein the side edges 74, 75 initially have a curvature and steplessly merge into a substantially rectangular area in which they have a width of about 4 mm ,
  • the side walls of the lower profile 76 have corresponding contours, so that the lower profile 76 has only external dimensions, which have the outer dimensions of the lower profile of a conventional reed.
  • the curved surfaces 74, 75 of the lower portion 73 extend approximately over 1/3 of the height of the lower profile 76th
  • a reed 80 is shown, which also has a plurality in a series of juxtaposed slats 81. These blades have a central portion extending with a constant width in the direction B of about 6 mm between an upper profile 82 and a lower profile 83.
  • the profile 83 has an outer contour which corresponds to the outer contour of the lower profile of a conventional reed, i. has a width of about 8 mm. This makes it possible to install this reed 80 in place of a conventional reed in the same store bar 12 by means of the same fastening means 10, 11.
  • the ends of the lamellae 81 converge towards each other in the direction of C, the two side edges 86, 87 of the lamellae 81 running in a straight line.
  • the inner contour of the upper profile 82 is adapted in a corresponding manner to the wedge-shaped tapered ends of the fins 81. From Fig.
  • the fins 81 in the portion between the lower edge 88 of the upper profile 82 and the upper edge 89 of the lower profile 83 have an increased width, for example, a width of 6 mm, but especially the lower profile 83 but also the upper profile 82 has an outer contour which is not larger than the corresponding profiles for conventional reeds, in which the lamellae have a width in the direction B on the order of only 4 mm.
  • the invention is also applicable to lamellae having shapes other than those shown.
  • combinations of the individual embodiments according to the invention can also be used for the lamellae and / or for the upper and lower profile. Since it does not depend on an increase in strength in the region of the upper profile, but a reduction in weight is sought, other and in particular stepped shapes for the inner contour of the upper profile and the upper ends of the slats can be provided in this area.
  • the fins of the invention and the reeds produced therefrom are suitable for use in air jet looms, rapier weaving machines, water jet looms, or other weaving looms, projectile weaving machines, weft looms, and other weaving machine types.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
EP04017564A 1998-06-10 1999-06-09 Webblatt und Lamelle Expired - Lifetime EP1500732B1 (de)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
BE9800446A BE1012031A3 (nl) 1998-06-10 1998-06-10 Riet voor een luchtweefmachine.
BE9800446 1998-06-10
BE9800649A BE1012164A3 (nl) 1998-09-04 1998-09-04 Riet voor een weefmachine.
BE9800648A BE1013010A6 (nl) 1998-09-04 1998-09-04 Riet voor een luchtweefmachine.
BE9800648 1998-09-04
BE9800649 1998-09-04
EP99927931A EP1086267B1 (de) 1998-06-10 1999-06-09 Webblatt und lamelle
EP02028178A EP1318220B1 (de) 1998-06-10 1999-06-09 Webblatt und Lamelle

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP02028178A Division EP1318220B1 (de) 1998-06-10 1999-06-09 Webblatt und Lamelle

Publications (3)

Publication Number Publication Date
EP1500732A2 EP1500732A2 (de) 2005-01-26
EP1500732A3 EP1500732A3 (de) 2005-05-11
EP1500732B1 true EP1500732B1 (de) 2007-08-08

Family

ID=27159867

Family Applications (3)

Application Number Title Priority Date Filing Date
EP04017564A Expired - Lifetime EP1500732B1 (de) 1998-06-10 1999-06-09 Webblatt und Lamelle
EP02028178A Expired - Lifetime EP1318220B1 (de) 1998-06-10 1999-06-09 Webblatt und Lamelle
EP99927931A Expired - Lifetime EP1086267B1 (de) 1998-06-10 1999-06-09 Webblatt und lamelle

Family Applications After (2)

Application Number Title Priority Date Filing Date
EP02028178A Expired - Lifetime EP1318220B1 (de) 1998-06-10 1999-06-09 Webblatt und Lamelle
EP99927931A Expired - Lifetime EP1086267B1 (de) 1998-06-10 1999-06-09 Webblatt und lamelle

Country Status (5)

Country Link
US (1) US6401762B1 (enExample)
EP (3) EP1500732B1 (enExample)
JP (1) JP4553486B2 (enExample)
DE (3) DE59907557D1 (enExample)
WO (1) WO1999064654A1 (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004068164A (ja) * 2002-08-01 2004-03-04 Tsudakoma Corp 製織用筬
BE1016547A3 (nl) * 2005-03-15 2007-01-09 Picanol Nv Riet voor een weefmachine en weefmachine.
DE102007043112A1 (de) 2007-08-31 2009-03-05 Picanol N.V. Verfahren zum Verbinden einer Vielzahl von Lamellen und Vorrichtung aus einer Vielzahl von Lamellen
DE102007043111A1 (de) 2007-08-31 2009-03-05 Picanol N.V. Rahmen mit Steherlamellen und Führungslamellen
RU2348746C1 (ru) * 2007-09-26 2009-03-10 Алексей Николаевич Конов Бердо ткацкого станка
CN102747516A (zh) * 2012-07-11 2012-10-24 江苏万工科技集团有限公司 异形钢筘防震装置
WO2018007874A1 (en) * 2016-07-04 2018-01-11 Kurkute Sanjay Easy and effective reed clamping arrangement for weaving machines
KR102118330B1 (ko) * 2019-01-23 2020-06-03 삼성에스티에스(주) 직조기 리드 및 직조기 리드의 제조 방법

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB559430A (en) * 1942-08-18 1944-02-18 James Nelson Ltd A method of securely holding loom reeds
US2383140A (en) * 1945-03-26 1945-08-21 Southern Loom Reed Mfg Company Loom reed
CH467369A (de) * 1967-11-16 1969-01-15 Charles Arnold William Verfahren zur Herstellung eines Weberkammes, nach dem Verfahren hergestellter Weberkamm und Verwendung des nach dem Verfahren hergestellten Weberkammes
US3818952A (en) * 1969-08-07 1974-06-25 G Vermeulen Jet operated weaving machine
NL7204904A (en) * 1972-04-12 1973-10-16 Terry pile type weaving - with a fixed reed
DE8130278U1 (de) * 1980-11-20 1982-03-11 Gebrüder Sulzer AG, 8401 Winterthur "riet fuer eine webmaschine"
CH649586A5 (de) * 1981-03-05 1985-05-31 Rueti Ag Maschf Blattzahn fuer duesenwebmaschinen und unter verwendung des blattzahns hergestelltes webblatt.
US4529014A (en) * 1983-08-29 1985-07-16 Steel Heddle Mfg., Co. Loom reed with plastic profiled dents
JP2660556B2 (ja) * 1988-08-16 1997-10-08 日産テクシス株式会社 空気噴射式織機の緯入れ装置
JPH02169746A (ja) * 1988-12-20 1990-06-29 Asahi Chem Ind Co Ltd シックアンドシン糸のエアージェットルームによる製織方法
FR2688520B1 (fr) * 1992-03-12 1994-05-27 Burckle Cie Sa Ets Peigne pour machine a tisser a jet d'air et son procede de fabrication.
IT1266634B1 (it) * 1993-10-27 1997-01-09 Nuovo Pignone Spa Pettine perfezionato per telaio tessile ad aria
BE1010333A3 (nl) * 1996-06-07 1998-06-02 Picanol Nv Riet voor een luchtweefmachine.
US6019139A (en) * 1998-09-30 2000-02-01 Stell Heddle Mfg. Co. Weaving reed having reinforced dents
JP4172089B2 (ja) * 1999-05-17 2008-10-29 東レ株式会社 ノンコートエアバッグ用基布およびその製造方法

Also Published As

Publication number Publication date
US6401762B1 (en) 2002-06-11
EP1318220A1 (de) 2003-06-11
DE59914449D1 (de) 2007-09-20
JP2002517633A (ja) 2002-06-18
EP1500732A2 (de) 2005-01-26
JP4553486B2 (ja) 2010-09-29
EP1318220B1 (de) 2004-10-27
EP1086267B1 (de) 2003-10-29
WO1999064654A1 (de) 1999-12-16
EP1086267A1 (de) 2001-03-28
EP1500732A3 (de) 2005-05-11
DE59910957D1 (de) 2004-12-02
DE59907557D1 (de) 2003-12-04

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