EP0594085B1 - Method and device for disintoxicating, airing, drying and sterilizing fabrics or similar - Google Patents

Method and device for disintoxicating, airing, drying and sterilizing fabrics or similar Download PDF

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Publication number
EP0594085B1
EP0594085B1 EP93116747A EP93116747A EP0594085B1 EP 0594085 B1 EP0594085 B1 EP 0594085B1 EP 93116747 A EP93116747 A EP 93116747A EP 93116747 A EP93116747 A EP 93116747A EP 0594085 B1 EP0594085 B1 EP 0594085B1
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EP
European Patent Office
Prior art keywords
air
fabrics
inner chamber
heated
air stream
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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
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EP93116747A
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German (de)
French (fr)
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EP0594085A1 (en
Inventor
Hans Baltes
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Patent- und Innovationsagentur Nordrhein-Westfalen GmbH
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Patent- und Innovationsagentur Nordrhein-Westfalen GmbH
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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F58/00—Domestic laundry dryers
    • D06F58/10—Drying cabinets or drying chambers having heating or ventilating means

Definitions

  • the present invention relates to a method according to the preamble of claim 1.
  • Sterilizing clothes is also a problem because neither with washing in known washing machines Sterilization can still be achieved using a drum dryer is.
  • DE-A-33 43 236 describes a method for drying and sterilizing, especially sensitive tissues, known, both the drying and the Sterilization of the tissues in the interior of a drying cabinet in a hanging, essentially unmoving state performed and the sterilization immediately in the Connection to the drying is made, the Fabric first using a flow of warm air in dried in a known manner and then the sterilization in a hot air stream.
  • the heated air flow through a second Clearance is led through the inside facing wall of the first space and the wall of the Interior is formed, and that the heated air flow through a large number of openings in the inward-facing the interior wall of the second space is led into the interior.
  • the drying cabinet 10 are two air inlet openings 12 arranged.
  • an air outlet opening 14 visible as well as a blower 15, which by a motor arranged below it is controllably drivable.
  • a heater 16 arranged through which the air flow is forced to be led.
  • the air flow flows in the one shown in FIG Process example according to arrows A to G '.
  • the air flow passes through the air inlet openings 12, flows through B through the first space 13, flows at C through heaters 16, flows according to D, D ', D' 'through the second interior 17 and occurs from, as indicated by the arrows D, D ', D' ' flows left and right into the interior 11 the goods located there (not shown), such as is indicated by E, and is at F by the fan 15 sucked in and at G 'through the outlet opening 14 pushed outwards.
  • the example shown is an open one Pass which e.g. for detoxification and sterilization suitable is.
  • the exhaust air is expediently a hose connection led outside.
  • FIG. 2 shows a drying cabinet 10 'with an interior 11, a first space 13 and a second Space 17.
  • the fan 15 is with a heater 16 connected so that the sucked by the blower 15 Airflow pressed through the heater 16 becomes.
  • FIG. 2 also shows a capacitor 18 which is provided by a second air stream (not shown) as a coolant is flowed through, this second air flow through a second fan 19 is moved. Air inlet and outlet openings for the second airflow are in the lower area of the drying cabinet 10 'and are not specially marked.
  • the air flow is in the process example shown in Figure 2 in a closed cycle according to the Arrows A through E are moving, with the air inlet and outlet openings for this airflow for the time of the process execution are closed.
  • the circuit shown is especially for drying Tissue parts suitable, but also for detoxification, whereby some of the pollutants condense with it and so from the Air can be removed.
  • Figure 3 is the same drying cabinet 10 'as in Figure 2 shown; the process example is in this Case an open flow of air without actuation of the Heater, the example being particularly powerful Ventilate the fabric parts arranged in the interior 11 suitable is.
  • the air flow is moved according to arrows A to G '.
  • the airflow enters condenser 18, where it flows through it as in the example according to FIG. 2, is drawn in by the blower 15 and by the heater 16 not turned on according to C pressed into the second interior 17.
  • the airflow flows through a variety of openings, only one of which individual are indicated at D, in the interior 11, of where from he enters capacitor 18 according to E and according to F exits and is sucked in by the second fan 19 and is pushed out according to G '.
  • the fans 15 and 19 act as in this example Tandem on the same air flow and thereby reinforce the movement.
  • the air flow initially flows through the condenser 18 on the side intended for the coolant and later on the other side.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Drying Of Solid Materials (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)
  • Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
  • Processing Of Solid Wastes (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

The invention relates to a method for detoxifying, airing and sterilising fabrics, textile garments, leather clothing and shoes which are introduced into a drying cupboard having an inner space, an especially heated air stream penetrating, through at least one air-inlet orifice (12) formed in the drying cupboard (10), into a first interspace (13) between an outer and an inner shell of the drying cupboard and, after flowing through the first outer space, penetrating into the inner space (11) and thereafter flowing out through at least one air-outlet orifice (14) formed in the drying cupboard, the air stream being moved by a blower (15) and being heated by a heating device (16). The new method is characterised in that the air stream penetrating through the air-inlet orifice (12), after flowing through the first interspace (13), is heated by a heating device (16), in that the heated air stream is guided into the inner space from two sides located opposite one another, and in that the air stream flowing out of the inner space is sucked up by a blower (15) and forced outwards through an air-outlet orifice (14). The invention relates, furthermore, to a device for carrying out the method. <IMAGE>

Description

Die vorliegende Erfindung betrifft ein Verfahren nach dem Oberbegriff des Patentanspruches 1.The present invention relates to a method according to the preamble of claim 1.

Bekanntlich enthalten Gewebe, Kleidungsstücke, Lederbekleidung und Schuhe Restbestandteile von z.B. Pestiziden und anderen Chemikalien, die bei der Erzeugung der Fasern, z.B. der Baumwolle, beim Gerben von Leder, beim Färben und bei der Ausrüstung eingesetzt werden. Diese Chemikalien können die Haut empfindlicher oder allergischer Personen beim Tragen insbesondere von neuen Kleidungsstücken reizen und zu unangenehmen Reaktionen führen. Aus diesem Grunde wird das Waschen neuer Kleidungsstücke vor dem Tragen empfohlen, wodurch jedoch die Chemikalien nicht immer vollständig beseitigt werden. Nach Versuchen ist ein bis zu zehnmaliges Waschen hierfür erforderlich, um die Schadstoffe völlig zu entfernen.As is known, contain fabrics, clothing, leather clothing and shoes residual components of e.g. Pesticides and other chemicals involved in the production of the fibers, e.g. of cotton, when tanning leather, when Dyeing and used in finishing. This Chemicals can make the skin more sensitive or allergic People wearing new items of clothing in particular irritate and lead to unpleasant reactions. For this reason, washing new clothes recommended before wearing, however, this causes the Chemicals cannot always be completely eliminated. After trying it, wash it up to ten times required to completely remove the pollutants.

Auch ist das Sterilisieren von Kleidungsstücken ein Problem, weil weder mit Waschen in bekannten Waschmaschinen noch durch Trommeltrockner eine Sterilisation erreichbar ist.Sterilizing clothes is also a problem because neither with washing in known washing machines Sterilization can still be achieved using a drum dryer is.

Aus der DE-A-33 43 236 ist ein Verfahren zum Trocknen und Sterilisieren, insbesondere von empfindlichen Geweben, bekannt, wobei sowohl die Trocknung als auch die Sterilisation der Gewebe im Innenraum eines Trockenschrankes in hängendem, im wesentlichen unbewegtem Zustand durchgeführt und die Sterilisation unmittelbar im Anschluß an die Trocknung vorgenommen wird, wobei die Gewebe zuerst unter Verwendung eines Warmluftstromes in bekannter Weise getrocknet und anschließend die Sterilisation in einem Heißluftstrom vorgenommen wird.DE-A-33 43 236 describes a method for drying and sterilizing, especially sensitive tissues, known, both the drying and the Sterilization of the tissues in the interior of a drying cabinet in a hanging, essentially unmoving state performed and the sterilization immediately in the Connection to the drying is made, the Fabric first using a flow of warm air in dried in a known manner and then the sterilization in a hot air stream.

Wenn sich auch das bekannte Verfahren in der Praxis durchaus bewährt hat, hat sich doch nachteilig gezeigt, daß eine vollständige Entgiftung der Gewebeteile nicht durchführbar ist.If the well-known method in practice has proven itself, has shown itself to be disadvantageous that a complete detoxification of the tissue parts is not is feasible.

Deswegen ist es eine Aufgabe der vorliegenden Erfindung, das bekannte Verfahren derart weiterzuentwickeln, daß bei Erhaltung der Eigenschaften Lüften, Trocknen und Sterilisieren insbesondere das vollständige Entgiften durchführbar ist.Therefore, it is an object of the present invention to further develop the known method in such a way that while maintaining the properties of ventilation, drying and sterilizing in particular the complete detoxification can be carried out is.

Die Lösung der Aufgabe erfolgt mit einem Verfahren nach den Merkmalen des Patentanspruches 1.The task is solved using a method the features of claim 1.

Dadurch, daß der durch die Lufteintrittsöffnung eintretende Luftstrom nach Durchströmen des ersten Zwischenraumes durch eine Heizvorrichtung erwärmt wird, daß der erwärmte Luftstrom von zwei einander gegenüberliegenden Seiten in den Innenraum geführt wird und daß der aus dem Innenraum austretende Luftstrom von einem Gebläse angesogen und durch eine Luftaustrittsöffnung nach außen gedrückt wird, ist eine sehr wirkungsvolle Luftführung erreichbar, die eine praktisch vollständige Entgiftung durch Ausblasen der an den textilen Geweben anhängenden Bestandteile erzielt. Auch die von den Öffnungen entfernt liegenden zu trocknenden Gutstücke, d.h. diejenigen in der Mitte des Innenraumes, werden auf kurzen Strömungswegen von den Luftströmen erreicht. Außerdem entstehen durch das frontale Aufeinanderprallen der Luftströme von zwei Seiten Luftturbulenzen, die die Durchlüftungs- und Entgiftungswirkung verstärken.In that the entering through the air inlet opening Airflow after flowing through the first space is heated by a heater that the heated Airflow from two opposite one another Pages is led into the interior and that of the Airflow exiting interior sucked in by a blower and pushed out through an air outlet opening very effective air flow can be achieved, which is a practically complete detox by blowing out those attached to the textile fabrics Components achieved. Also removed from the openings lying items to be dried, i.e. those in the middle of the interior, are on short flow paths reached by the air currents. Also arise through the frontal collision of the air flows air turbulence from two sides, which the ventilation and enhance detoxification effects.

Zur weiteren Optimierung der Führung des Luftstroms ist vorgesehen, daß der erwärmte Luftstrom durch einen zweiten Zwischenraum geführt wird, der durch die nach innen weisende Wand des ersten Zwischenraumes und die Wand des Innenraumes gebildet ist, und daß der erwärmte Luftstrom durch eine Vielzahl von Öffnungen in der nach innen weisenden, den Innenraum umgrenzenden Wand des zweiten Zwischenraumes in den Innenraum geführt wird.To further optimize the guidance of the air flow is provided that the heated air flow through a second Clearance is led through the inside facing wall of the first space and the wall of the Interior is formed, and that the heated air flow through a large number of openings in the inward-facing the interior wall of the second space is led into the interior.

Ausführungsbeispiele des Schrankes zur Durchführung des erfindungsgemäßen Verfahrens und das Verfahren werden nunmehr anhand von Zeichnungen näher erläutert. Sie zeigen in

Figur 1
schematisch in einer geschnittenen Vorderansicht einen Trockenschrank, in
Figur 2
ein anderes Ausführungsbeispiel in einer Ansicht ähnlich der in Figur 1 und in
Figur 3
das Ausführungsbeispiel in Figur 2 mit einer anderen Luftstromführung.
Exemplary embodiments of the cabinet for carrying out the method according to the invention and the method are now explained in more detail with reference to drawings. You show in
Figure 1
schematically in a sectional front view of a drying cabinet, in
Figure 2
another embodiment in a view similar to that in Figure 1 and in
Figure 3
the embodiment in Figure 2 with a different air flow.

Mit Bezugnahme auf Figur 1 weist ein allgemein kastenförmiger Trockenschrank 10 einen Innenraum 11 auf, der von einem ersten Zwischenraum 13 und einem zweiten Zwischenraum 17 seitlich umgrenzt wird. Im oberen Bereich des Trockenschrankes 10 sind zwei Lufteintrittsöffnungen 12 angeordnet.Referring to Figure 1, a generally box shaped one Drying cabinet 10 on an interior 11, the of a first space 13 and a second space 17 is laterally delimited. In the upper area the drying cabinet 10 are two air inlet openings 12 arranged.

Unterhalb des Innenraumes 11 ist eine Luftaustrittsöffnung 14 sichtbar sowie ein Gebläse 15, das durch einen darunter angeordneten Motor regelbar antreibbar ist.Below the interior 11 is an air outlet opening 14 visible as well as a blower 15, which by a motor arranged below it is controllably drivable.

An der unteren Abgrenzung des ersten Zwischenraumes 13 gegen den zweiten Zwischenraum 17 ist eine Heizvorrichtung 16 angeordnet, durch die der Luftstrom zwangsmäßig geführt wird.At the lower boundary of the first intermediate space 13 against the second space 17 is a heater 16 arranged through which the air flow is forced to be led.

Der Luftstrom fließt bei dem in Figur 1 dargestellten Verfahrensbeispiel gemäß den Pfeilen A bis G'.The air flow flows in the one shown in FIG Process example according to arrows A to G '.

Bei A tritt der Luftstrom durch die Lufteintrittsöffnungen 12 ein, fließt gemäß B durch den ersten Zwischenraum 13, strömt bei C durch die Heizvorrichtungen 16, fließt gemäß D, D', D'' durch den zweiten Innenraum 17 und tritt, wie mit den Pfeilen D, D', D'' angedeutet, von links und von rechts in den Innenraum 11, durchströmt die dort befindlichen Gutstücke (nicht dargestellt), wie durch E angedeutet ist, und wird bei F durch das Gebläse 15 angesogen und bei G' durch die Austrittsöffnung 14 nach außen gedrückt.At A the air flow passes through the air inlet openings 12, flows through B through the first space 13, flows at C through heaters 16, flows according to D, D ', D' 'through the second interior 17 and occurs from, as indicated by the arrows D, D ', D' ' flows left and right into the interior 11 the goods located there (not shown), such as is indicated by E, and is at F by the fan 15 sucked in and at G 'through the outlet opening 14 pushed outwards.

Bei dem gezeigten Beispiel handelt es sich um einen offenen Durchlauf, der z.B. zum Entgiften und Sterilisieren geeignet ist. Die Abluft wird dabei zweckmäßig durch eine Schlauchverbindung ins Freie geführt.The example shown is an open one Pass which e.g. for detoxification and sterilization suitable is. The exhaust air is expediently a hose connection led outside.

Die an sich bekannten Einrichtungen zum Besprühen etc. sind nicht gezeigt.The known spraying devices etc. are not shown.

Figur 2 zeigt einen Trockenschrank 10' mit einem Innenraum 11, einem ersten Zwischenraum 13 und einem zweiten Zwischenraum 17. Das Gebläse 15 ist mit einer Heizvorrichtung 16 so verbunden, daß der von dem Gebläse 15 angesogene Luftstrom durch die Heizvorrichtung 16 gedrückt wird. Weiter zeigt Figur 2 einen Kondensator 18, der von einem zweiten Luftstrom (nicht gezeigt) als Kühlmittel durchströmt wird, wobei dieser zweite Luftstrom durch ein zweites Gebläse 19 bewegt wird. Luftein- und -austrittsöffnungen für den zweiten Luftstrom befinden sich im unteren Bereich des Trockenschrankes 10' und sind nicht besonders gekennzeichnet.Figure 2 shows a drying cabinet 10 'with an interior 11, a first space 13 and a second Space 17. The fan 15 is with a heater 16 connected so that the sucked by the blower 15 Airflow pressed through the heater 16 becomes. FIG. 2 also shows a capacitor 18 which is provided by a second air stream (not shown) as a coolant is flowed through, this second air flow through a second fan 19 is moved. Air inlet and outlet openings for the second airflow are in the lower area of the drying cabinet 10 'and are not specially marked.

Der Luftstrom wird bei dem in Figur 2 gezeigten Verfahrensbeispiel in einem geschlossenen Kreislauf gemäß den Pfeilen A bis E bewegt, wobei die Luftein- und austrittsöffnungen für diesen Luftstrom für die Zeit der Verfahrensausführung geschlossen sind.The air flow is in the process example shown in Figure 2 in a closed cycle according to the Arrows A through E are moving, with the air inlet and outlet openings for this airflow for the time of the process execution are closed.

Bei A tritt der Luftstrom aus dem Kondensator 18 aus, in dem er getrocknet wurde, wird von dem Gebläse 15 angesogen und durch die Heizvorrichtung 16 gemäß B in den zweiten Zwischenraum 17 gedrückt, von wo er gemäß C und C' von zwei gegenüberliegenden Seiten her in den Innenraum 11 tritt, das Gewebe trocknet und gemäß D und E zum Schließen des Kreislaufs in den Kondensator 18 eintritt. Der gezeigte Kreislauf ist besonders zur Trocknung von Gewebeteilen geeignet, aber auch zur Entgiftung, wobei ein Teil der Schadstoffe mit kondensiert und so aus der Luft entfernt werden kann.At A, the airflow exits the condenser 18, in that it has been dried is drawn in by the fan 15 and by the heater 16 according to B in the second Gap 17 pressed, from where it according to C and C ' from two opposite sides into the interior 11 occurs, the fabric dries and according to D and E to Closing the circuit enters the condenser 18. The circuit shown is especially for drying Tissue parts suitable, but also for detoxification, whereby some of the pollutants condense with it and so from the Air can be removed.

In Figur 3 ist der gleiche Trockenschrank 10' wie in Figur 2 gezeigt; das Verfahrensbeispiel ist in diesem Fall ein offener Durchstrom der Luft ohne Betätigung der Heizvorrichtung, wobei das Beispiel besonders zum kräftigen Lüften der im Innenraum 11 angeordneten Gewebeteile geeignet ist. In Figure 3 is the same drying cabinet 10 'as in Figure 2 shown; the process example is in this Case an open flow of air without actuation of the Heater, the example being particularly powerful Ventilate the fabric parts arranged in the interior 11 suitable is.

Der Luftstrom wird gemäß den Pfeilen A bis G' bewegt. Bei A tritt der Luftstrom in den Kondensator 18 ein, wobei er diesen wie in dem Beispiel gemäß Figur 2 durchströmt, wird gemäß B von dem Gebläse 15 angesogen und durch die nicht eingeschaltete Heizvorrichtung 16 gemäß C in den zweiten Innenraum 17 gedrückt. Der Luftstrom fließt durch eine Vielzahl von Öffnungen, von denen nur einzelne bei D angedeutet sind, in den Innenraum 11, von wo aus er gemäß E in den Kondensator 18 eintritt und gemäß F austritt und von dem zweiten Gebläse 19 angesogen und gemäß G' nach außen gedrückt wird.The air flow is moved according to arrows A to G '. At A, the airflow enters condenser 18, where it flows through it as in the example according to FIG. 2, is drawn in by the blower 15 and by the heater 16 not turned on according to C pressed into the second interior 17. The airflow flows through a variety of openings, only one of which individual are indicated at D, in the interior 11, of where from he enters capacitor 18 according to E and according to F exits and is sucked in by the second fan 19 and is pushed out according to G '.

Die Gebläse 15 und 19 wirken bei diesem Beispiel wie ein Tandem auf den gleichen Luftstrom und verstärken dadurch die Bewegung.The fans 15 and 19 act as in this example Tandem on the same air flow and thereby reinforce the movement.

Der Luftstrom durchfließt dabei den Kondensator 18 zunächst auf der für das Kühlmittel vorgesehenen Seite und später auf der anderen Seite.The air flow initially flows through the condenser 18 on the side intended for the coolant and later on the other side.

Claims (1)

  1. Method for treating fabrics, wherein the fabrics are treated with hot air in the inner chamber (11) of a drying cabinet (10), with the inner chamber (11) being defined by apertured plates, wherein the air stream after passing through a first intermediate space (13) and an air inlet opening (12) is heated by means of heating devices (16), and is centrally exhausted at the bottom through the bottom plate out of the inner chamber,
    characterized in
    that the fabrics for complete disintoxicating in the inner chamber (11), while supplying the air through the apertured plates uniformly from both sides, are blown at with air having a temperature high but not harmful for the corresponding kind of fabric, such that at any point in the inner chamber almost equal thermodynamic state variables, like temperature, pressure, volume flow, chemical potential, thermodynamic inbalance, arise, and that by the thermally caused increase of the vapor pressure of the chemicals clinging to the fabrics a maximal evaporation of the individual chemicals is achieved at a minimal partial pressure (pcO) based on the continuous air supply.
EP93116747A 1992-10-22 1993-10-16 Method and device for disintoxicating, airing, drying and sterilizing fabrics or similar Expired - Lifetime EP0594085B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4235560 1992-10-22
DE4235560A DE4235560C2 (en) 1992-10-22 1992-10-22 Process for detoxifying, ventilating, drying and sterilizing tissues and the like and apparatus for carrying out the process

Publications (2)

Publication Number Publication Date
EP0594085A1 EP0594085A1 (en) 1994-04-27
EP0594085B1 true EP0594085B1 (en) 1999-03-17

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EP93116747A Expired - Lifetime EP0594085B1 (en) 1992-10-22 1993-10-16 Method and device for disintoxicating, airing, drying and sterilizing fabrics or similar

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US (1) US5433919A (en)
EP (1) EP0594085B1 (en)
JP (1) JP2527135B2 (en)
AT (1) ATE177797T1 (en)
DE (2) DE4235560C2 (en)
DK (1) DK0594085T3 (en)
ES (1) ES2131548T3 (en)

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FR1472827A (en) * 1966-03-29 1967-03-10 Accelerated drying cabinet
FR2033602A5 (en) * 1969-02-28 1970-12-04 Pruvost Jean
DE2115222A1 (en) * 1971-03-30 1973-05-30 Gmuender Erwin Max DRYING CABINET FOR DRYING WET LAUNDRY
GB1428107A (en) * 1972-05-15 1976-03-17 Hoover Ltd Drying machines
DE2919762A1 (en) * 1979-05-16 1980-11-27 Hans Baltes Drying chamber - has opening in base to extract moisture-laden air efficiently
CH636661A5 (en) * 1979-06-05 1983-06-15 Ver Faerbereien Appretur DRYING EQUIPMENT OPERATED WITH STEAM AND WARM AIR FOR TEXTILE CLOTHES.
US4471537A (en) * 1982-01-18 1984-09-18 Indesit Industria Elettrodomestici Italiana S.P.A. Dryer apparatus having an improved air circulation
DE3343236A1 (en) * 1983-11-30 1985-06-05 Hans 4600 Dortmund Baltes METHOD AND DEVICE FOR DRYING AND STERILIZING TISSUE, IN PARTICULAR SENSITIVE TISSUE
DE3730178A1 (en) * 1987-09-09 1989-03-30 Hans Baltes METHOD FOR DRYING, VENTILATING AND STERILIZING GOODS
US5152077A (en) * 1991-08-16 1992-10-06 Liang Chao Jung Cloth drying machine

Also Published As

Publication number Publication date
JP2527135B2 (en) 1996-08-21
DE4235560A1 (en) 1994-04-28
DE59309452D1 (en) 1999-04-22
ES2131548T3 (en) 1999-08-01
ATE177797T1 (en) 1999-04-15
US5433919A (en) 1995-07-18
DE4235560C2 (en) 1995-08-10
EP0594085A1 (en) 1994-04-27
DK0594085T3 (en) 1999-10-11
JPH06212554A (en) 1994-08-02

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