EP0837163B1 - Appareil et procédé pour la fabrication d'un voile de matière fibreuse - Google Patents
Appareil et procédé pour la fabrication d'un voile de matière fibreuse Download PDFInfo
- Publication number
- EP0837163B1 EP0837163B1 EP19960116371 EP96116371A EP0837163B1 EP 0837163 B1 EP0837163 B1 EP 0837163B1 EP 19960116371 EP19960116371 EP 19960116371 EP 96116371 A EP96116371 A EP 96116371A EP 0837163 B1 EP0837163 B1 EP 0837163B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- roll
- calender
- woven web
- installation
- rolls
- 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
Links
- 238000000034 method Methods 0.000 title claims description 8
- 239000002657 fibrous material Substances 0.000 title claims description 4
- 239000004745 nonwoven fabric Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims 12
- 230000007704 transition Effects 0.000 description 6
- 230000001771 impaired effect Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 1
Images
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
- D01G15/02—Carding machines
- D01G15/12—Details
- D01G15/46—Doffing or like arrangements for removing fibres from carding elements; Web-dividing apparatus; Condensers
- D01G15/465—Doffing arrangements for removing fibres using, or cooperating with, pneumatic means
Definitions
- the invention relates to a plant for the production of nonwovens of fiber material according to the preamble of the claim 1 as well as a process for the production of nonwovens according to Preamble of claim 13.
- a vacuumed roller is known from EP-A-0 733 729, the one nonwoven web fed on a conveyor belt transmits one of two calender rolls. The nonwoven web is transferred from a card over the conveyor belt to a calender fed.
- the nonwoven web must be one Removal part of the card first on a conveyor belt and transferred from the conveyor belt to the vacuumed roller become.
- a critical transition points at which either Air vortex or due to insufficient guidance of the fleece web the uniformity of the nonwoven web can be impaired can.
- the invention is therefore based on the object of a system as well as create a process for the production of nonwovens, with which the production speed while maintaining a high fleece uniformity increased can be.
- the removal part Nonwoven web directly on the first or only vacuumed Roller transmits, and that the only or the last Roll the nonwoven web onto an air-permeable jacket the calender rolls transmits.
- the invention accordingly sees in an advantageous manner before, between the card and calender one under negative pressure standing roller arrangement with one or more rollers to be provided with an air-permeable jacket.
- the reels are sucked in at least part of its circumference, on which the nonwoven web obtained from the card or card rests.
- rollers with an air-permeable jacket leaves a significant increase in production speed to.
- the transfer of the pile or the nonwoven web to a screen roller has the advantage that when transporting the nonwoven web no critical transition points arise at which either due to air swirls or lack of guidance the nonwoven web affects the uniformity of the nonwoven web can be.
- the vacuumed screen rollers also have the advantage that the Nonwoven web held to a desired nonwoven web width can be, creating a straight edge.
- the screen rollers can increase the adhesion on their Shell surface to be structured.
- the vacuum on the screen rollers can be variably controlled to be an adjustment to production speed and / or to enable the type of fiber used.
- the acceptance part can also consist of only one Doffer roller exist, so that of the master cylinder Flor taken over the doffer roller as a nonwoven web directly on the first or only roller with air permeable Coat is transferred.
- the take-off part can consist of a tangled roller and a doffer roller, the doffer roller the Pile on the partially vacuumed roller with air permeable Coat transfers.
- the take-off part has at least two pile-forming rollers each having a pile from the master cylinder decrease, with the pile on a subordinate, for all of the flore-common rollers are combined to form a nonwoven web are. It is provided that two or more Flore are created in the acceptance section, which are on a subsequent Roll of the take-off part or the arrangement of Rolls with an air-permeable jacket to form a nonwoven web be brought together.
- At least one of the pile-forming rollers can be one Be a tangled roller.
- the Flore on one with the pile-forming rollers in engagement existing doffer roller merged into a nonwoven web are.
- At least two upsetting rollers can be attached to the doffer roller downstream.
- a transfer roller can the merged pile on the arrangement of rollers with an air-permeable jacket transfer.
- the only or the last roller of the arrangement of rollers the nonwoven web can be covered with an air-permeable jacket transferred one of the calender rolls.
- the fleece web on part of the circumference of a calender roll inserted into the nip between the calender rolls. Since the Viesbahn the calender roll on a part touched their circumference and not only in the nip, can a higher heat transfer take place so that high production speeds possible are.
- the arrangement of rolls with an air-permeable jacket at least three rollers arranged one behind the other. These rollers enable a high transport speed, so that the production speed can be increased can.
- the first embodiment shown in Fig. 1 only shows the master cylinder 1 and the take-off part 3 the card or card, consisting of two pile-forming Rollers 14, 16 each have a pile 18, 20 from the master cylinder 1 remove, as well as from a doffer roller 24 which duplicates the two sheets 18, 20 to form a nonwoven web 22 become.
- a full representation of the clutter or card can be found in DE 43 44 226 A, whereby all variants of a card in the system described here can be used.
- the removal part 3 of the card or card can be very different be designed and deviating, for example 1 only from a doffer roller 24 or a combination of a tangled roller 14 as a pile-forming Roller and a doffer roller 24 exist.
- the nonwoven web 22 runs on approximately one Quarter of the circumference of the calender roll 4, so that an intense Heat transfer can take place.
- the screen roller 8 is subjected to negative pressure in its interior, only the one that transports the nonwoven web 22
- the outer surface is vacuumed while the rest Lateral surface of the screen roller 8 e.g. covered with a sheet 36 is.
- the nonwoven web 22 at the transfer point between doffer roller 24 and screen roller 8 with negative pressure sucked onto the outer surface of the screen roller 8.
- the calender roll 4 ends the vacuumed peripheral area, so that the nonwoven web 22 the calender roll 4 can be transferred.
- Fig. 2 shows an embodiment in which also the pile is duplicated on the doffer roller 24.
- Upsetting rollers 26, 28 and a transfer roller 30 are provided, which the nonwoven web 22 from the last upsetting roller 28th takes over and transfers to the screen roller 8.
- the transfer roller 30 can be omitted and the fleece web 22 directly from the last upsetting roller 28 be transferred to the screen roller 8.
- the last screen roller 12 of this arrangement is the nonwoven web 22 onto the lower calender roll 6 so that the nonwoven web 22nd is introduced from below into the nip 32.
- Fig. 3 shows an embodiment in which duplication the pile 18, 20 only takes place on the first screen roller 8.
- the acceptance part 3 is for each pile 18.20 either only from a doffer roller 24.25 or one Combination of a tangled roller 14, 16 with a doffer roller 24, 25 or a combination of a tangled roller 14, 16, a doffer roller 24, 25 and two subsequent ones Upsetting rollers 26, 27, 28, 29, as shown in FIG. 3.
- the first screen roller 8 can several more screen rollers 10, 12 follow, in the exemplary embodiment of FIG. 3 two screen rollers 8, 12 are shown.
- the last screen roller 12 leads the nonwoven web 22 from below into the nip 32 of the calender 2.
- each transfer rollers 30 arranged his.
- the direction of rotation of the first screen roller 8 can be opposite 3 to the exemplary embodiment, so that in an embodiment with two screen rollers 8, 12 an entry of the nonwoven web 22 from above into the Calender is possible or if three are arranged in a row arranged sieve rollers 8,10,12 an inlet from underneath.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Preliminary Treatment Of Fibers (AREA)
Claims (17)
- Installation pour la fabrication d'un voile en matière fibreuse comprenant au moins une machine à carder ou carde comportant un cylindre principal (1) et une partie d'enlèvement (3) disposée à la suite du cylindre principal (1) avec au moins un tambour , ainsi qu'une calandre (2) avec au moins deux rouleaux de calandre (4, 6), qui transfère le voile en bande (22) se composant d'au moins un non-tissé (18, 20) d'un tambour ayant une enveloppe perméable à l'air et soumis intérieurement à une dépression au moins sur une partie de la périphérie, par exemple un tambour de tamisage (8, 10, 12), à l'un des rouleaux de calandre (4, 6), caractérisée en ce que la partie d'enlèvement (3) transfère le voile en bande (22) directement au premier ou unique tambour à dépression (8), et en ce que l'unique ou le dernier tambour (8, 12) ayant une enveloppe perméable à l'air transfère le voile en bande (22) à l'un des rouleaux de calandre (4 ; 6).
- Installation selon la revendication 1, caractérisée en ce que la partie d'enlèvement (3) se compose d'un tambour peigneur (24, 25).
- Installation selon la revendication 1, caractérisée en ce que la partie d'enlèvement (3) se compose d'un tambour emmêleur (14, 16) se trouvant en engagement avec le cylindre principal (1) et d'un tambour peigneur (24, 25) se trouvant en engagement avec le tambour emmêleur (14, 16).
- Installation selon la revendication 1, caractérisée en ce que la partie d'enlèvement (3) comporte au moins deux tambours (14, 16) de formation de non-tissé qui prélèvent chacun un non-tissé (18, 20) du cylindre principal (1), les non-tissés (18, 20) étant assemblés sur un tambour ultérieur (24, 25, 8) commun à tous les non-tissés (18, 20) pour former un voile en bande (22).
- Installation selon la revendication 4, caractérisée en ce qu' au moins un des tambours (14, 16) de formation de non-tissé est un tambour emmêleur.
- Installation selon la revendication 4 ou 5, caractérisée en ce que les non-tissés (18, 20) sont assemblés sur un tambour peigneur (24) en engagement avec les tambours (14, 16) de formation de non-tissé pour former un voile en bande (22).
- Installation selon la revendication 6, caractérisée en ce que au moins deux tambours de compression (26, 27, 28, 29) sont disposés à la suite du tambour peigneur (24, 25).
- Installation selon l'une des revendications 4 à 7, caractérisée en ce qu'un tambour de transfert (30) transfère les non-tissés assemblés (18, 20) au(x) tambour(s) (8) ayant une enveloppe perméable à l'air.
- Installation selon l'une des revendications 4 à 7, caractérisée en ce que les non-tissés (18, 20) sont assemblés sur le premier ou l'unique tambour (8) ayant une enveloppe perméable à l'air pour former un voile en bande (22).
- Installation selon l'une des revendications 1 à 9, caractérisée en ce que le voile en bande (22), se trouvant sur la périphérie du rouleau de calandre supérieur (4) de deux rouleaux de calandre (4, 6) disposés verticalement l'un au-dessus de l'autre, pénètre d'en haut dans l'espacement de rouleaux (32) entre les rouleaux de calandre (4, 6).
- Installation selon l'une des revendications 1 à 9, caractérisée en ce que le voile en bande (22), se trouvant sur la périphérie du rouleau inférieur (6) de deux rouleaux de calandre (4, 6) disposés verticalement l'un au-dessus de l'autre, pénètre d'en bas dans l'espacement de rouleaux (32).
- Installation selon l'une des revendications 1 à 11, caractérisée en ce qu'au moins trois rouleaux (8, 10, 12) successifs ayant une enveloppe perméable à l'air sont prévus.
- Procédé pour la fabrication d'un voile de matière fibreuse en utilisant une machine à carder ou carde et une calandre (2) disposée à la suite de la machine à carder ou carde, comprenant les étapes consistant à:réaliser au moins un non-tissé (18, 20) avec au moins une machine à carder ou carde etamener un voile en bande (22), se composant d'un seul ou de plusieurs non-tissés (18, 20), à la calandre (2), le voile en bande (22), qui se compose d'au moins un non-tissé (18, 20), étant transféré à l'aide d'au moins un tambour (8, 10, 12), soumis à une dépression sur une partie de la périphérie et ayant une enveloppe perméable à l'air, à l'un des deux rouleaux de calandre (4 ; 6) de la calandre (2),
- Procédé selon la revendication 13, caractérisé en ce que plusieurs non-tissés (18, 20) sont assemblés sur un premier tambour (8), ayant une enveloppe perméable à l'air, pour former un voile en bande (22).
- Procédé selon la revendication 13 ou 14, caractérisé en ce que le voile en bande (22) sur une partie de la périphérie du rouleau de calandre (4 ; 6) est conduit dans un espacement de rouleaux (32) entre les rouleaux de calandre (4 ; 6).
- Procédé selon la revendication 15, caractérisé en ce que le voile en bande (22) sur la périphérie du rouleau de calandre inférieur (6) est introduit d'en bas dans l'espacement de rouleaux (32).
- Procédé selon la revendication 15, caractérisé en ce que le voile en bande (22) sur la périphérie du rouleau de calandre supérieur (4) est introduit d'en haut dans l'espacement de rouleaux (32).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19960116371 EP0837163B1 (fr) | 1996-10-11 | 1996-10-11 | Appareil et procédé pour la fabrication d'un voile de matière fibreuse |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19960116371 EP0837163B1 (fr) | 1996-10-11 | 1996-10-11 | Appareil et procédé pour la fabrication d'un voile de matière fibreuse |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0837163A1 EP0837163A1 (fr) | 1998-04-22 |
EP0837163B1 true EP0837163B1 (fr) | 2002-06-19 |
Family
ID=8223288
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19960116371 Expired - Lifetime EP0837163B1 (fr) | 1996-10-11 | 1996-10-11 | Appareil et procédé pour la fabrication d'un voile de matière fibreuse |
Country Status (1)
Country | Link |
---|---|
EP (1) | EP0837163B1 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19813341A1 (de) | 1998-03-26 | 1999-09-30 | Truetzschler Gmbh & Co Kg | Vorrichtung an einer Krempel oder Karde zur Herstellung eines Faservlieses |
DE19916227A1 (de) * | 1999-04-10 | 2000-11-02 | Merlin Mikrobiolog Diag Gmbh | Verfahren zur genotypischen Klassifizierung |
EP1502973B1 (fr) * | 2003-07-29 | 2007-09-19 | Spinnbau GmbH | Carde et procédé permettant la production d'un voile de fibres |
FR3064649B1 (fr) | 2017-03-28 | 2019-06-14 | N.Schlumberger | Machine a carder des fibres pour la fabrication d'un materiau non-tisse et procede de mise en oeuvre d'une telle machine |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2987779A (en) * | 1957-02-05 | 1961-06-13 | Kawashima Kanichi | Doffing process and apparatus for the card by action of air |
DE3413629C2 (de) * | 1983-05-05 | 1986-05-07 | Ernst Dr. Linz Fehrer | Vorrichtung zum Herstellen von Faservliesen |
DE3410443C2 (de) * | 1984-03-22 | 1992-01-23 | Spinnbau GmbH, 2820 Bremen | Vorrichtung zum Einleiten eines von einer Krempel über ein Transportband herangeführten Flores in einen Kalander |
IN171142B (fr) * | 1987-03-19 | 1992-08-01 | Japan Cotton Technical And Eco | |
DE4344226A1 (de) | 1993-12-23 | 1995-06-29 | Hollingsworth Gmbh | Vlieskrempel, sowie Verfahren zur Vliesherstellung |
FR2732042B1 (fr) * | 1995-03-22 | 1997-06-13 | Thibeau & Cie Sa A | Cylindre aspirant permettant le transfert d'un voile fibreux entre un tapis de transport et deux cylindres de calandrage |
-
1996
- 1996-10-11 EP EP19960116371 patent/EP0837163B1/fr not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0837163A1 (fr) | 1998-04-22 |
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