EP0505410B1 - Appareil et procédé pour carder la laine amelioree - Google Patents

Appareil et procédé pour carder la laine amelioree Download PDF

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Publication number
EP0505410B1
EP0505410B1 EP91900680A EP91900680A EP0505410B1 EP 0505410 B1 EP0505410 B1 EP 0505410B1 EP 91900680 A EP91900680 A EP 91900680A EP 91900680 A EP91900680 A EP 91900680A EP 0505410 B1 EP0505410 B1 EP 0505410B1
Authority
EP
European Patent Office
Prior art keywords
burr
beater
morel
card
wool
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
EP91900680A
Other languages
German (de)
English (en)
Other versions
EP0505410A1 (fr
EP0505410A4 (en
Inventor
Kenneth Ross Atkinson
Barry Valentine Harrowfield
Gary Alfred Robinson
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.)
Commonwealth Scientific and Industrial Research Organization CSIRO
Original Assignee
Commonwealth Scientific and Industrial Research Organization CSIRO
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Publication date
Application filed by Commonwealth Scientific and Industrial Research Organization CSIRO filed Critical Commonwealth Scientific and Industrial Research Organization CSIRO
Publication of EP0505410A1 publication Critical patent/EP0505410A1/fr
Publication of EP0505410A4 publication Critical patent/EP0505410A4/en
Application granted granted Critical
Publication of EP0505410B1 publication Critical patent/EP0505410B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
    • D01G15/94—Burr-crushing or removing arrangements
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
    • D01G15/94—Burr-crushing or removing arrangements
    • D01G15/98—Morel or like apparatus

Definitions

  • This invention is concerned with the carding of wool and is concerned in one aspect with modifications of a wool card to facilitate the operation of the card at a speed substantially higher than conventional card speed.
  • French patent publication 2232626 discloses a VM removal unit in which an enlarged morel roller accommodates a pair of burr-beaters separated by a reverse worker/stripper carding unit which functions to invert the web on the morel mesh to bring the shives and burrs which lie on the inside of the web at the first burr-beater to the outside of the web for dislodgement by the second burr-beater.
  • This prior art forms the preamble of independent claims 1 and 9.
  • German Patent publication DE-C-150650 discloses a VM removal unit accommodating at least one burr-beater morel unit whereby the morel roller of at least one of these burr-beater morel units is fitted with a pair of burr-beaters.
  • the invention is concerned primarily with a method of dividing the fibre web as it is being transferred onto the morel roller so as to ensure that impurities throughout the fibre web are brought to the surface and then removed by the burr-beaters.
  • the invention accordingly provides a wool card having the features of claim 1.
  • the wool card further includes a swift and an associated double doffer arrangement including a pair of doffer rollers by means of which the fibre web is doffed from the card.
  • the invention also provides a method of wool carding comprising the features of claim 9.
  • the method preferably further includes doffing the fibre web from the card by double doffing the fibre web as two mats by means of a pair of doffer rollers associated with the swift of the card.
  • the illustrated card 10 is of known general configuration and comprises a series of main cylinders including, in sequence, a licker 14, a breast 18, a first morel 16, a second morel 20 and a swift 22.
  • the licker, breast and swift have the usual stripper/worker carding units 24 and doffing from the swift is achieved with a double doffer arrangement 26.
  • the fibre web is fed along the sequence of cylinders, doffed as two mats by the successive doffer rollers 26a, 26b, and then converged from the double doffer by a cone (not shown) to form sliver.
  • the double doffer which is in contrast to the single doffer conventionally found on wool cards, is found to be necessary if adequate doffing efficiency is to be achieved at card speeds substantially above normal speeds. It has also been found that double doffing helps overcome problems arising from increased layer thickness or fibre density at higher card speeds, and enhances card production rate or transfer efficiency by 10 to 25% relative to single doffing.
  • the morel rollers 16, 20 are respective components of a pair of vegetable matter removal units 15a, 15b which are depicted in a tandem configuration but may well be separated by one or more intervening rollers.
  • Each morel roller is of conventional construction and has a cylindrical surface defined by a very fine mesh designed to accommodate the fibres of the web but to leave shives, burrs and other vegetable matter exposed.
  • a singe burr-beater 30a, 30b is disposed adjacent the surface mesh at the top of the roller and includes a longitudinally bladed hollow cylinder which rotates very rapidly and acts to sweep the exposed vegetable matter into an adjacent tray for recovery and disposal.
  • each unit 15a, 15b is fitted with a second burr-beater 31a, 31b located between the take-up point on the morel and the other burr-beater 30a, 30b.
  • the two burr-beaters 31a, 30a; 31b, 30b of each pair are of substantially conventional construction and are typically identical, including the usual longitudinally bladed hollow cylinder and an adjacent longitudinally extending tray.
  • the morel rollers 16, 20 are typically made larger than is usual in current or previous carding practice, for example at least 450mm in diameter.
  • the fibre web is fed directly along each morel roller 16, 20 from the first burr-beater 31a, 31b to the second 30a, 30b. No intervening provision is made to invert the web or otherwise displace the vegetable matter among the fibres, as in French patent publication 2232626, or indeed to modify the web in any way.
  • the table also shows that the wool loss for the tandem burr-beaters is low and comparable to that of a morel after the first swift or licker. This suggests that wool loss should not be an impediment to operating tandem burr-beater pairs commercially.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Bedding Items (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Paper (AREA)

Claims (11)

  1. Carde pour la laine (10) possédant au moins une unité morel d'ébavurage (15) pour le retrait de matière végétale, au moins une dite unité morel d'ébavurage (15) comprenant un rouleau morel (16) qui est muni d'un premier dispositif d'ébavurage (31) et d'au moins un autre dispositif d'ébavurage (30), le premier dispositif d'ébavurage (31) tournant dans la même direction qu'au moins l'autre dit dispositif d'ébavurage (30), ladite carde pour la laine étant caractérisée en ce qu'au moins l'autre dit dispositif d'ébavurage (30) est agencé autour dudit rouleau morel (16) de telle sorte que lorsque la carde (10) est en fonctionnement, le voile de fibre est directement amené le long dudit rouleau morel (16) à partir dudit premier dispositif d'ébavurage (31) jusqu'audit au moins autre dispositif d'ébavurage (30) sans qu'il soit sensiblement nécessaire d'inverser le voile ou de déplacer la matière végétale qu'il contient.
  2. Carde pour la laine (10) selon la revendication 1, dans laquelle ladite carde pour la laine (10) présente au moins une autre unité morel d'ébavurage (15b).
  3. Carde pour la laine (10) selon la revendication 2, dans laquelle ladite autre unité morel d'ébavurage (15b) est munie de plusieurs dispositifs d'ébavurage (30b, 31b) agencés autour du rouleau morel (20) de telle sorte que lorsque la carde est en fonctionnement, le voile de fibre est amené directement le long du rouleau morel (20) à partir d'un dispositif d'ébavurage (31) jusqu'à l'autre sans qu'il soit sensiblement nécessaire d'inverser le voile ou de déplacer la matière végétale qu'il contient.
  4. Carde pour la laine (10) selon la revendication 3, dans laquelle lesdites unités morel d'ébavurage (15a, 15b) munies de plusieurs dispositifs d'ébavurage (30a, 31a ; 30b, 31b) sont agencées en tandem dans la carde (10).
  5. Carde pour la laine (10) selon l'une quelconque des revendications précédentes, dans laquelle l'unité morel d'ébavurage ou chacune d'elles (15a, 15b) munie(s) de plusieurs dispositifs d'ébavurage est/sont munie(s) de deux dispositifs d'ébavurage (30a, 31a ; 30b, 31b).
  6. Carde pour la laine (10) selon la revendication 5, caractérisée en ce que lesdits deux dispositifs d'ébavurage (30a, 31a ; 30b, 31b) sont situés entre le point d'enroulement du rouleau morel (16, 20) et le sommet du rouleau morel (16, 20).
  7. Carde pour la laine (10) selon l'une quelconque des revendications précédentes comprenant en outre un dévidoir (22) et un agencement associé d'un double système de levée (26) comprenant deux rouleaux de levée (26a, 26b) au moyen desquels le voile de fibre est levé depuis la carde (10).
  8. Carde pour la laine (10) selon l'une quelconque des revendications précédentes, dans laquelle le rouleau morel (16, 20) de l'unité morel d'ébavurage ou de chacune d'elles (15) mesure au moins 450 mm de diamètre.
  9. Procédé pour carder la laine comprenant l'étape consistant à diriger un voile de fibre le long d'une carde pour la laine (10) qui comprend au moins une unité morel d'ébavurage (15) pour le retrait de matière végétale, au moins ladite unité morel d'ébavurage (15), au moins une comprenant un rouleau morel (16) qui est muni d'un premier dispositif d'ébavurage (31) et au moins un autre dispositif d'ébavurage (30), le premier dispositif d'ébavurage (31) tournant dans la même direction qu'au moins l'autre dit dispositif d'ébavurage (30), ledit procédé étant caractérisé en ce que ledit voile de fibre est amené directement le long du rouleau morel (16) à partir dudit premier dispositif d'ébavurage (31) jusqu'au moins ledit autre dispositif d'ébavurage (30) sans qu'il soit sensiblement nécessaire d'inverser le voile ou de déplacer la matière végétale qu'il contient.
  10. Procédé selon la revendication 9, comprenant en outre l'étape consistant à lever le voile de fibre depuis la carde par une double levée du voile de fibre sous la forme de deux mats au moyen de deux rouleaux de levée (26a, 26b) associés au dévidoir (22) de la carde (10).
  11. Procédé pour carder la laine selon l'une quelconque des revendications précédentes, caractérisé en ce que ledit rouleau morel (16, 20) fonctionne à des vitesses de 200 m/mn environ.
EP91900680A 1989-12-13 1990-12-13 Appareil et procédé pour carder la laine amelioree Expired - Lifetime EP0505410B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AU7840/89 1989-12-13
AUPJ784089 1989-12-13
PCT/AU1990/000589 WO1991009164A1 (fr) 1989-12-13 1990-12-13 Machine a carder la laine amelioree

Publications (3)

Publication Number Publication Date
EP0505410A1 EP0505410A1 (fr) 1992-09-30
EP0505410A4 EP0505410A4 (en) 1992-10-07
EP0505410B1 true EP0505410B1 (fr) 1997-02-26

Family

ID=3774411

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91900680A Expired - Lifetime EP0505410B1 (fr) 1989-12-13 1990-12-13 Appareil et procédé pour carder la laine amelioree

Country Status (9)

Country Link
EP (1) EP0505410B1 (fr)
JP (1) JPH05502697A (fr)
AT (1) ATE149213T1 (fr)
AU (1) AU637177B2 (fr)
CA (1) CA2069497A1 (fr)
DE (1) DE69030006T2 (fr)
ES (1) ES2098343T3 (fr)
NZ (1) NZ236454A (fr)
WO (1) WO1991009164A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2677378A1 (fr) * 1991-06-07 1992-12-11 Schlumberger Cie N Carde dite "laine".
FR2677377B1 (fr) * 1991-06-07 1994-05-20 Schlumberger Cie Sa N Carde dite "laine".
FR2705367B1 (fr) * 1993-05-19 1995-06-30 Schlumberger Cie N Dispositif de nettoyage des cylindres Morel sur une carde.
IT1280964B1 (it) * 1995-10-10 1998-02-11 Fonderie Officine Riunite F O Dispositivo per l'espulsione delle impurita' vegetali in una carda per lana.
EP0770715A1 (fr) 1995-10-27 1997-05-02 Commonwealth Scientific And Industrial Research Organisation Enlèvement des déchets dans le cardage textile

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE150650C (fr) * 1902-06-14
DE165596C (fr) * 1903-12-12
FR406621A (fr) * 1909-08-30 1910-02-04 Hubert Leopold Offermann Perfectionnements aux appareils à échardonner la laine
US2009282A (en) * 1932-07-08 1935-07-23 Thibeau Antoine Improved burring motion for treating wool and other textile fibers
GB626713A (en) * 1946-08-15 1949-07-20 William Henry Dean Improvements in or relating to apparatus for the extraction of burrs and other foreign matter from wool and like textile fibres
GB892111A (en) * 1958-10-23 1962-03-21 Walter Helvitio Schneider Improvements in or relating to carding machines for jute, jute substitute fibres, hemp and flax
FR2232626A1 (en) * 1973-06-07 1975-01-03 Schlumberger Cie N Morel type carding engine - includes main carding cylinder cooperating with card rolls and two trash removal rolls

Also Published As

Publication number Publication date
JPH05502697A (ja) 1993-05-13
ES2098343T3 (es) 1997-05-01
ATE149213T1 (de) 1997-03-15
EP0505410A1 (fr) 1992-09-30
DE69030006T2 (de) 1997-08-28
EP0505410A4 (en) 1992-10-07
DE69030006D1 (de) 1997-04-03
WO1991009164A1 (fr) 1991-06-27
AU6910391A (en) 1991-07-18
NZ236454A (en) 1991-10-25
CA2069497A1 (fr) 1991-06-14
AU637177B2 (en) 1993-05-20

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