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EP0360148A2 - Device for the continuous cleaning of webs of materials - Google Patents

Device for the continuous cleaning of webs of materials Download PDF

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Publication number
EP0360148A2
EP0360148A2 EP89116994A EP89116994A EP0360148A2 EP 0360148 A2 EP0360148 A2 EP 0360148A2 EP 89116994 A EP89116994 A EP 89116994A EP 89116994 A EP89116994 A EP 89116994A EP 0360148 A2 EP0360148 A2 EP 0360148A2
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EP
European Patent Office
Prior art keywords
web
air suction
diffusers
bars
suction means
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.)
Withdrawn
Application number
EP89116994A
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German (de)
French (fr)
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EP0360148A3 (en
Inventor
Erich Kälin
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0360148A2 publication Critical patent/EP0360148A2/en
Publication of EP0360148A3 publication Critical patent/EP0360148A3/en
Withdrawn legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00—Cleaning by methods involving the use of air flow or gas flow
    • B08B5/04—Cleaning by suction, with or without auxiliary action

Definitions

  • the present invention relates to a device for the continuous cleaning of material webs, in particular paper or fabric webs, in which the material web is continuously movable past air suction means, the air suction means extending over the entire width of the material web and with an air suction channel in Flow connection.
  • sheet-like semifinished products e.g. made of paper, plastic, fabrics or even precious metals
  • sheet-like semifinished products must be carefully cleaned of dust, dirt and fluff before they are further processed, in order to avoid, for example, misprints in the printing shop, contamination of treatment baths in the finishing shop, etc. . to avoid.
  • the dedusting devices used to date have not been able to meet the increasing requirements for the degree of dedusting. If, for example, a fabric web with a feed of 60m / min. is moved over a suction slot of 20 mm width, then the exposure time of the air flow is about 0.02 sec. This is rarely enough for effective cleaning and is among other things absolutely useless for flocked webs.
  • the object of the invention is therefore to provide a device of the aforementioned type which, despite the high feed rate of the web, ensures a long exposure time of the air flow and thus optimal cleaning.
  • the air suction means which are in flow connection with the air suction duct are diffusers, of which a plurality are arranged one behind the other in the direction of movement of the material web and a plurality are arranged next to one another and open out in a common plane parallel to the material web, wherein a plurality of bars serving to support the web, arranged in a lattice-like manner, extend obliquely in the direction of movement of the web toward the center of the web to produce a spreading effect in the mouth plane of the diffusers, and to form a very large one flat suction mouth plane, three diffusers are arranged symmetrically one behind the other and open out in a funnel shape in the mouth plane, the two outer diffusers having a deflection of approximately 90 °.
  • the bars arranged in a grid-like manner are supported on a frame with respect to their inclination and if the frame outside the bars has two, extending over the entire width of the device, superior to the support plane of the bars for the web, guiding the Remove the rulers that serve the web.
  • the rods can be designed as scrapers or brushes on the support side of the web.
  • the material web is continuously and horizontally moved past air suction means 2, 3, 4 in a known manner, which extend over the entire width of the material web and over an air Air intake duct 1 is in flow connection with an air intake unit 10 (high-pressure fan).
  • air intake unit 10 high-pressure fan
  • the air intake diffusers 2, 3 and 4 of which a plurality are arranged one behind the other in the direction of movement 5 'of the web 5 and a plurality are arranged side by side, these opening out in a common plane 7 parallel to the web.
  • three diffusers 2, 3 and 4 are advantageously arranged one behind the other symmetrically and open into of the mouth plane 7 from a funnel shape, the two outer diffusers 2 and 4 having a deflection of approximately 90 °, as can be seen in particular in FIG. 3.
  • the bars 6, 8 arranged in a lattice arrangement are supported on a frame 9 so as to be adjustable with respect to their inclined position.
  • the adjustment can be carried out by hand or via a hydraulic slide 11 or via motor-driven spindle means, not shown.
  • 12 vibrator means 13 can engage on the actuating axis or spindle common to the rods, which the Reini additional effect.
  • two rulers 16 extend from the frame 9 outside of the bars 6, 8, which extend over the entire width of the device and extend beyond the support plane of the bars 6, 8 for the web 5, and serve to guide the web.
  • the bars 6, 8 are designed as scrapers or brushes on the support side of the web, which further increases the cleaning effect.

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  • Cleaning In General (AREA)

Abstract

Bei der Einrichtung zum kontinuierlichen Reinigen von Materialbahnen wird die Warenbahn (5) kontinuierlich an Luft-Ansaugmittel (2,3,4) vorbeibewegt die sich über die ganze Breite der Warenbahn erstrecken und über einen Luft-Ansaugkanal (1) mit einem Luft-Ansaug-Aggregat (10) in Strömungsverbindung stehen. Hierbei sind die mit dem Luft-Ansaugkanal in Strömungsverbindung stehenden Luft-Ansaugmittel Diffusoren (2,3,4), von welchen eine Mehrzahl in Bewegungsrichtung der Warenbahn hintereinander sowie eine Mehrzahl nebeneinander angeordnet sind und diese in einer gemeinsamen, zur Warenbahn parallelen Ebene ausmünden, wobei zur Erzeugung eines Breithalteeffektes sich in der Mündungsebene der Diffusoren eine Mehrzahl, der Auflage der Warenbahn dienende, gitterartig angeordnete Stäbe (6,8) in Bewegungsrichtung der Warenbahn zur Mitte der Warenbahn hin schrägverlaufend erstrecken.In the device for the continuous cleaning of material webs, the material web (5) is continuously moved past air suction means (2, 3, 4) which extend over the entire width of the material web and via an air suction channel (1) with an air suction -The unit (10) is in flow connection. The air suction means in flow connection with the air suction channel are diffusers (2, 3, 4), of which a plurality are arranged one behind the other in the direction of movement of the material web and a plurality are arranged next to one another and open out in a common plane parallel to the material web, a plurality of bars (6, 8) arranged to support the web of material extend obliquely in the direction of movement of the web towards the center of the web to produce a spreading effect in the mouth plane of the diffusers.

Description

Die vorliegende Erfindung betrifft eine Einrichtung zum kon­tinuierlichen Reinigen von Materialbahnen, insbesondere Pa­pier- oder Gewebebahnen, bei welchem die Warenbahn kontinu­ierlich an Luft-Ansaugmittel vorbeibewegbar ist, wobei sich die Luft-Ansaugmittel über die ganze Breite der Warenbahn er­strecken und mit einem Luft-Ansaugkanal in Strömungsverbin­dung stehen.The present invention relates to a device for the continuous cleaning of material webs, in particular paper or fabric webs, in which the material web is continuously movable past air suction means, the air suction means extending over the entire width of the material web and with an air suction channel in Flow connection.

Es ist allgemein bekannt, dass bahnenförmige Halbfabrikate, etwa aus Papier, aus Kunststoff, aus Geweben oder auch aus Edelmetallen vor ihrer Weiterbehandlung von Staub, Schmutz und Flusen sorgfältig zu befreien sind, um beispielsweise Fehldrucke in der Druckerei, Verschmutzen von Behandlungs­bädern in der Ausrüsterei etc. zu vermeiden.It is generally known that sheet-like semifinished products, e.g. made of paper, plastic, fabrics or even precious metals, must be carefully cleaned of dust, dirt and fluff before they are further processed, in order to avoid, for example, misprints in the printing shop, contamination of treatment baths in the finishing shop, etc. . to avoid.

Die hierfür bisher zur Anwendung gelangenden Entstaubungs-­Einrichtungen, insbesondere mit Schlitzdüsen, sind allerdings nicht in der Lage, den steigenden Anforderungen an den Ent­staubungsgrad gerecht zu werden. Wenn zum Beispiel eine Ge­webebahn mit einem Vorschub von 60m/min. über einen Absaug­schlitz von 20 mm Breite bewegt wird, dann beträgt die Ein­wirkungszeit des Luftstromes etwa 0,02 sec. Die reicht nur selten für eine wirksame Reinigung und ist u.a. für beflockte Warenbahnen absolut unbrauchbar.The dedusting devices used to date, in particular with slotted nozzles, have not been able to meet the increasing requirements for the degree of dedusting. If, for example, a fabric web with a feed of 60m / min. is moved over a suction slot of 20 mm width, then the exposure time of the air flow is about 0.02 sec. This is rarely enough for effective cleaning and is among other things absolutely useless for flocked webs.

Aufgabe der Erfindung ist deshalb die Schaffung einer Ein­richtung der vorgenannten Art, welche trotz hoher Vorschub­geschwindigkeit der Warenbahn eine lange Einwirkungszeit des Luftstromes und so eine optimale Reinigung gewährleistet.The object of the invention is therefore to provide a device of the aforementioned type which, despite the high feed rate of the web, ensures a long exposure time of the air flow and thus optimal cleaning.

Dies wird erfindungsgemäss dadurch erreicht, dass die mit dem Luft-Ansaugkanal in Strömungsverbindung stehenden Luft-­Ansaugmittel Diffusoren sind, von welchen eine Mehrzahl in Bewegungsrichtung der Warenbahn hintereinander sowie eine Mehrzahl nebeneinander angeordnet sind und diese in einer gemeinsamen, zur Warenbahn parallelen Ebene ausmünden, wobei sich zur Erzeugung eines Breithalteeffektes in der Mündungs­ebene der Diffusoren eine Mehrzahl, der Auflage der Waren­bahn dienende, gitterartig angeordnete Stäbe in Bewegungs­richtung der Warenbahn zur Mitte der Warenbahn hin schrägver­laufend erstrecken, und wobei zur Bildung einer sehr gross­ flächigen Ansaug-Mündungsebene drei Diffusoren zueinander symmetrisch hintereinander angeordnet sind und in der Mün­dungsebene trichterförmig ausmünden, wobei die beiden äusse­ren Diffusoren eine Umlenkung von etwa 90° aufweisen.This is achieved according to the invention in that the air suction means which are in flow connection with the air suction duct are diffusers, of which a plurality are arranged one behind the other in the direction of movement of the material web and a plurality are arranged next to one another and open out in a common plane parallel to the material web, wherein a plurality of bars serving to support the web, arranged in a lattice-like manner, extend obliquely in the direction of movement of the web toward the center of the web to produce a spreading effect in the mouth plane of the diffusers, and to form a very large one flat suction mouth plane, three diffusers are arranged symmetrically one behind the other and open out in a funnel shape in the mouth plane, the two outer diffusers having a deflection of approximately 90 °.

Durch diese Massnahmen wird eine Einrichtung zum kontinuier­lichen Reinigen von Materialbahnen mit hoher Reinigungswir­kung unter gleichzeitigem Breithalten der Warenbahn ohne Zu­satzmittel erreicht.These measures achieve a device for the continuous cleaning of material webs with a high cleaning effect while at the same time keeping the material web wide without additives.

Hierbei ist es von Vorteil, wenn die gitterartig angeordneten Stäbe bezüglich ihrer Schrägstellung verstellbar an einem Rahmen abgestützt sind und wenn vom Rahmen ausserhalb der Stäbe zwei, sich über die ganze Breite der Einrichtung er­streckende, die Auflageebene der Stäbe für die Warenbahn überragende, der Führung der Warenbahn dienende Lineale ab­ragen.It is advantageous if the bars arranged in a grid-like manner are supported on a frame with respect to their inclination and if the frame outside the bars has two, extending over the entire width of the device, superior to the support plane of the bars for the web, guiding the Remove the rulers that serve the web.

Je nach Anwendung können dabei die Stäbe auflageseitig der Warenbahn als Schaber oder Bürsten ausgebildet sein.Depending on the application, the rods can be designed as scrapers or brushes on the support side of the web.

Eine beispielsweise Ausführungsform des Erfindungsgegenstan­des ist nachfolgend anhand der Zeichnung näher erläutert. Es zeigen:

  • Fig. 1 in schaubildartiger Teilansicht die erfindungsge­mässe Einrichtung zum kontinuierlichen Reinigen von Materialbahnen;
  • Fig. 2 die Anordnung gemäss Fig. 1 in einer ausschnittwei­sen Draufsicht; und
  • Fig. 3 die Anordnung gemäss Fig. 1 in einem vertikalen Querschnitt.
An example embodiment of the subject matter of the invention is explained in more detail below with reference to the drawing. Show it:
  • 1 shows a diagrammatic partial view of the device according to the invention for the continuous cleaning of material webs;
  • FIG. 2 shows the arrangement according to FIG. 1 in a partial plan view; and
  • Fig. 3 shows the arrangement of FIG. 1 in a vertical cross section.

Bei der dargestellten Einrichtung zum kontinuierlichen Rei­nigen von Materialbahnen, insbesondere Papier- oder Gewebe­bahnen, wird in bekannter Weise die Warenbahn kontinuierlich und hier horizontal an Luft-Ansaugmittel 2,3,4 vorbeibewegt, die sich über die ganze Breite der Warenbahn erstrecken und über einen Luft-Ansaugkanal 1 mit einem Luft-Ansaug-Aggregat 10 (Hochdruck-Ventilator) in Strömungsverbindung stehen.In the illustrated device for the continuous cleaning of material webs, in particular paper or fabric webs, the material web is continuously and horizontally moved past air suction means 2, 3, 4 in a known manner, which extend over the entire width of the material web and over an air Air intake duct 1 is in flow connection with an air intake unit 10 (high-pressure fan).

Erfindungsgemäss sind hier nun die Luftansaugmittel Diffuso­ren 2,3 und 4, von welchen eine Mehrzahl in Bewegungsrichtung 5′ der Warenbahn 5 hintereinander sowie eine Mehrzahl neben­einander angeordnet sind, wobei diese in einer gemeinsamen, zur Warenbahn parallelen Ebene 7 ausmünden.According to the invention, here are the air intake diffusers 2, 3 and 4, of which a plurality are arranged one behind the other in the direction of movement 5 'of the web 5 and a plurality are arranged side by side, these opening out in a common plane 7 parallel to the web.

Vorteilhaft sind hier jeweils drei Diffusoren 2,3 und 4 zu­einander symmetrisch hintereinander angeordnet und münden in der Mündungsebene 7 trichterförmig aus, wobei die beiden äusseren Diffusoren 2 und 4 eine Umlenkung von etwa 90° auf­weisen, wie das insbesondere Fig. 3 erkennen lässt.In this case, three diffusers 2, 3 and 4 are advantageously arranged one behind the other symmetrically and open into of the mouth plane 7 from a funnel shape, the two outer diffusers 2 and 4 having a deflection of approximately 90 °, as can be seen in particular in FIG. 3.

Auf diese Weise wird die Warenbahn 5 grossflächig angeströmt, was einen optimalen Reinigungseffekt bewirkt.In this way, the fabric web 5 is flowed over a large area, which causes an optimal cleaning effect.

Weiter ist erfindungswesentlich, dass sich in der Mündungs­ebene 7 der Diffusoren 2,3,4 eine Mehrzahl, der Auflage der Warenbahn 5 dienende, gitterartig angeordnete Stäbe 6 und 8 in Bewegungsrichtung der Warenbahn zur Mitte der Warenbahn hin schrägverlaufend erstrecken.It is also essential to the invention that a plurality of bars 6 and 8, arranged in the manner of a grid and serving to support the web 5, extend obliquely in the direction of movement of the web toward the center of the web in the mouth plane 7 of the diffusers 2, 3, 4.

Diese Massnahmen bewirken einen Breithalteeffekt auf die Wa­renbahn, ohne hierfür weitere Massnahmen treffen zu müssen.These measures have a wide-ranging effect on the web without having to take any further measures.

Vorteilhaft ist dabei, wenn die gitterartig angeordneten Stäbe 6,8 bezüglich ihrer Schrägstellung verstellbar an einem Rahmen 9 abgestützt sind.It is advantageous if the bars 6, 8 arranged in a lattice arrangement are supported on a frame 9 so as to be adjustable with respect to their inclined position.

Die Verstellung kann dabei von Hand oder über einen Hydrau­likschieber 11 oder über nicht näher gezeigte motorgetriebene Spindelmittel erfolgen.The adjustment can be carried out by hand or via a hydraulic slide 11 or via motor-driven spindle means, not shown.

Zudem können an der den Stäben gemeinsamen Stellachse- oder Spindel 12 Vibrator-Mittel 13 angreifen, welche den Reini­ gungseffekt zusätzlich erhöhen.In addition, 12 vibrator means 13 can engage on the actuating axis or spindle common to the rods, which the Reini additional effect.

Weiter ist vorteilhaft, wenn vom Rahmen 9 ausserhalb der Stäbe 6,8 zwei, sich über die ganze Breite der Einrichtung erstreckende, die Auflageebene der Stäbe 6,8 für die Waren­bahn 5 überragende, der Führung der Warenbahn dienende Line­ale 16 abragen.It is also advantageous if two rulers 16 extend from the frame 9 outside of the bars 6, 8, which extend over the entire width of the device and extend beyond the support plane of the bars 6, 8 for the web 5, and serve to guide the web.

Je nach Verwendung der erfindungsgemässen Einrichtung ist es von Vorteil, wenn die Stäbe 6,8 auflageseitig der Warenbahn als Schaber oder Bürsten ausgebildet sind, was den Reinigungs­effekt weiter erhöht.Depending on the use of the device according to the invention, it is advantageous if the bars 6, 8 are designed as scrapers or brushes on the support side of the web, which further increases the cleaning effect.

Aus dem Vorbeschriebenen ergibt sich nun eine Einrichtung zum kontinuierlichen Reinigen von Materialbahnen, welche ge­eignet ist, allen heutigen Qualitäts- und Effektivansprüchen zu genügen.From the above, there is now a device for the continuous cleaning of material webs, which is suitable to meet all today's quality and effective requirements.

Claims (7)

1. Einrichtung zum kontinuierlichen Reinigen von Material­bahnen, insbesondere Papier- oder Gewebebahnen, bei wel­chem die Warenbahn kontinuierlich an Luft-Ansaugmittel vorbeibewegbar ist, wobei sich die Luft-Ansaugmittel über die ganze Breite der Warenbahn erstrecken und mit einem Luft-Ansaugkanal in Strömungsverbindung stehen, da­durch gekennzeichnet, dass die mit dem Luft-Ansaugkanal (1) in Strömungsverbindung stehenden Luft-Ansaugmittel Diffusoren (2,3 und 4) sind, von welchen eine Mehrzahl in Bewegungsrichtung der Warenbahn (5) hintereinander so­wie eine Mehrzahl nebeneinander angeordnet sind, wobei diese in einer gemeinsamen, zur Warenbahn parallelen Ebene (7) ausmünden.1. Device for the continuous cleaning of material webs, in particular paper or fabric webs, in which the material web can be moved continuously past air suction means, the air suction means extending over the entire width of the material web and being in flow connection with an air suction channel, characterized in that the air suction means which are in flow connection with the air suction channel (1) are diffusers (2, 3 and 4), of which a plurality are arranged one behind the other in the direction of movement of the material web (5) and a plurality are arranged side by side, whereby these open out in a common plane (7) parallel to the web. 2. Einrichtung nach Anspruch 1, dadurch gekennzeichnet, dass sich in der Mündungsebene (7) der Diffusoren (2,3,4) eine Mehrzahl, der Auflage der Warenbahn (5) dienende, gitterartig angeordnete Stäbe (6 und 8) in Bewegungsrich­tung der Warenbahn zur Mitte der Warenbahn hin schrägver­laufend erstrecken.2. Device according to claim 1, characterized in that in the mouth plane (7) of the diffusers (2, 3, 4) a plurality of bars (6 and 8) serving to support the web (5) are arranged in the direction of movement of the bars Extend the web towards the center of the web. 3. Einrichtung nach Anspruch 1, dadurch gekennzeichnet, dass drei Diffusoren (2,3 und 4) zueinander symmetrisch hinter­einander angeordnet sind und in der Mündungsebene (7) trichterförmig ausmünden, wobei die beiden äusseren Dif­fusoren (2 und 4) eine Umlenkung von etwa 90° aufweisen.3. Device according to claim 1, characterized in that three diffusers (2, 3 and 4) are arranged symmetrically one behind the other and in the mouth plane (7) Open out in a funnel shape, the two outer diffusers (2 and 4) having a deflection of approximately 90 °. 4. Einrichtung nach Anspruch 2, dadurch gekennzeichnet, dass die gitterartig angeordneten Stäbe (6,8) bezüglich ihrer Schrägstellung verstellbar an einem Rahmen (9) ab­gestützt sind.4. Device according to claim 2, characterized in that the bars (6, 8) arranged in a lattice arrangement are supported on a frame (9) so as to be adjustable with respect to their inclined position. 5. Einrichtung nach Anspruch 4, dadurch gekennzeichnet, dass vom Rahmen (9) ausserhalb der Stäbe (6,8) zwei, sich über die ganze Breite der Einrichtung erstreckende, die Auflageebene der Stäbe (6,8) für die Warenbahn (5) überragende, der Führung der Warenbahn dienende Lineale (16) abragen.5. Device according to claim 4, characterized in that from the frame (9) outside the bars (6, 8) two, extending over the entire width of the device, the support plane of the bars (6, 8) for the web (5) protrude outstanding rulers (16) used to guide the web. 6. Einrichtung nach den Ansprüchen 2,4 oder 5, dadurch ge­kennzeichnet, dass die Stäbe (6,8) auflageseitig der Wa­renbahn als Schaber oder Bürsten ausgebildet sind.6. Device according to claims 2, 4 or 5, characterized in that the bars (6, 8) are formed on the support side of the web as scrapers or brushes. 7. Einrichtung zum kontinuierlichen Reinigen von Material­bahnen, insbesondere Papier- oder Gewebebahnen, bei wel­chem die Warenbahn kontinuierlich an Luft-Ansaugmittel vorbeibewegbar ist; sich die Luft-Ansaugmittel über die ganze Breite der Warenbahn erstrecken und die Luft-An­saugmittel mit einem Luft-Ansaugkanal in Strömungsver­bindung stehen; wobei die mit dem Luft-Ansaugkanal in Strömungsverbindung stehenden Luft-Ansaugmittel Diffuso­ren sind, von welchen eine Mehrzahl in Bewegungsrichtung der Warenbahn hintereinander sowie eine Mehrzahl neben­einander angeordnet sind und diese in einer gemeinsamen, zur Warenbahn parallelen Ebene ausmünden, wobei ferner zur Erzeugung eines Breithalteeffektes sich in der Mün­dungsebene der Diffusoren eine Mehrzahl, der Auflage der Warenbahn dienende, gitterartig angeordnete Stäbe in Be­wegungsrichtung der Warenbahn zur Mitte der Warenbahn hin schrägverlaufend erstrecken; und wobei zur Bildung einer grossflächigen Ansaug-Mündungsebene drei Diffusoren zu­einander symmetrisch hintereinander angeordnet sind und in der Mündungsebene trichterförmig ausmünden, wobei die beiden äusseren Diffusoren eine Umlenkung von etwa 90° aufweisen.7. Device for the continuous cleaning of material webs, in particular paper or fabric webs, in which the product web is continuously movable past air suction means; the air suction means extend over the entire width of the web and the air suction means are in flow communication with an air suction channel; where with the air intake duct in Air-suction means which are connected to the flow are diffusers, of which a plurality are arranged one behind the other in the direction of movement of the material web and a plurality are arranged next to one another and open out in a common plane parallel to the material web. the bars serving to support the web, arranged in a grid-like manner, extend obliquely in the direction of movement of the web towards the center of the web; and wherein three diffusers are arranged symmetrically one behind the other and form a funnel-shaped opening in the mouth plane to form a large-area suction opening plane, the two outer diffusers having a deflection of approximately 90 °.
EP19890116994 1988-09-21 1989-09-14 Device for the continuous cleaning of webs of materials Withdrawn EP0360148A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH3515/88 1988-09-21
CH3515/88A CH676807A5 (en) 1988-09-21 1988-09-21

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EP0360148A2 true EP0360148A2 (en) 1990-03-28
EP0360148A3 EP0360148A3 (en) 1991-09-25

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CH (1) CH676807A5 (en)

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US9108229B2 (en) 2011-06-17 2015-08-18 The Procter & Gamble Company Method and apparatus for particulate removal from moving paper webs

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US3975789A (en) * 1975-04-03 1976-08-24 Storage Technology Corporation Compliant tape cleaner for magnetic recording tapes
DE2602236A1 (en) * 1976-01-22 1977-07-28 Maschf Augsburg Nuernberg Ag DEVICE FOR CONTINUOUS DUST COLLECTION OF MATERIAL TRAILS
FR2533842A1 (en) * 1982-10-04 1984-04-06 Somafer Ferrari Ets Method and device for the absorption of smoke in an installation using blowtorches for repairing cracks in iron and steel products

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19825599A1 (en) * 1998-06-09 1999-12-16 Focke & Co Packaging machine, in particular for cigarettes
US6357201B1 (en) 1998-06-09 2002-03-19 Focke & Co. (Gmbh & Co.) Packaging machine, in particular for cigarettes
CN115074896A (en) * 2021-08-17 2022-09-20 深圳市海弘装备技术有限公司 Silk thread limiting device and method thereof
CN115074896B (en) * 2021-08-17 2024-06-07 深圳市海弘装备技术有限公司 Silk thread limiting device and method thereof

Also Published As

Publication number Publication date
EP0360148A3 (en) 1991-09-25
CH676807A5 (en) 1991-03-15
US4934016A (en) 1990-06-19

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