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EP0386694A1 - Method for separating food products from their packaging material and apparatus for executing this method - Google Patents

Method for separating food products from their packaging material and apparatus for executing this method Download PDF

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Publication number
EP0386694A1
EP0386694A1 EP90104257A EP90104257A EP0386694A1 EP 0386694 A1 EP0386694 A1 EP 0386694A1 EP 90104257 A EP90104257 A EP 90104257A EP 90104257 A EP90104257 A EP 90104257A EP 0386694 A1 EP0386694 A1 EP 0386694A1
Authority
EP
European Patent Office
Prior art keywords
packaging
food
foods
sieve
drum
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.)
Granted
Application number
EP90104257A
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German (de)
French (fr)
Other versions
EP0386694B1 (en
Inventor
Wilfried Holzknecht
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.)
Holzknecht Wilfried
Original Assignee
Holzknecht Wilfried
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
Application filed by Holzknecht Wilfried filed Critical Holzknecht Wilfried
Publication of EP0386694A1 publication Critical patent/EP0386694A1/en
Application granted granted Critical
Publication of EP0386694B1 publication Critical patent/EP0386694B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B69/00—Unpacking of articles or materials, not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B9/00—Presses specially adapted for particular purposes
    • B30B9/02—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material
    • B30B9/24—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using an endless pressing band
    • B30B9/241—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using an endless pressing band co-operating with a drum or roller

Definitions

  • the invention relates to a method for separating food from its packaging and an apparatus for performing this method.
  • the foodstuffs in question are those that have errors during manufacture, whose expiry date has passed or which have been introduced, although they are not marketable according to German regulations. Foodstuffs are also suitable for which no shelf life data are specified, but which are no longer marketable due to storage for too long, storage under incorrect conditions or other circumstances.
  • the object of the invention is to find a method for the mechanical processing of the foods mentioned, which is not only easy to carry out with relatively little mechanical means, but which also allows the processing of various types of food, the food portion still adhering to the packaging residues should be insignificantly small.
  • the method according to the invention is also intended for processing of non-packaged foods, for example sausage in natural casings or bread without packaging, the packaged foods being so well separated from the packaging and foods that they can be used as animal feed.
  • This object is achieved in that the food is pre-crushed with the packaging by squeezing and formed into a strand, the strand is cut and then the food is separated from the packaging remnants by being pressed through a sieve.
  • superheated steam can advantageously be introduced into the comminuted mass before pressing.
  • the device for achieving the object according to the invention is advantageously characterized in that it has a comminution twin screw, a rotating multi-blade knife and a screen press.
  • the hard-packed foods and solid foods are crushed in a pre-shredder 12 by means of two electrically driven, counter-rotating screws 1 with square helices, the packages being torn open and solid foods being roughly shredded.
  • the comminuted mixture is then comminuted again as a quasi-homogeneous mass after passing through a plate with openings 11 by means of an electrically driven press screw by a multi-bladed knife 2.
  • the mass is then fed to an electrically driven screw conveyor 4, in the beginning of which foodstuffs with soft packaging can also be entered.
  • the screw conveyor 4 throws into an input hopper 9 with an electrically driven conveyor wing 10. At this point, superheated steam can be added to better separate the food from the packaging.
  • the mass is then placed in a screen press 3, where it is continuously squeezed between an electrically driven screen drum 5 and a separately electrically driven pressure belt 6, so that the foodstuffs are pressed separately from the packaging through the openings of the drum 5 while the packaging means is on the outer wall of the drum 5 are retained.
  • the packaging residues are removed from the outer wall of the drum by an outer scraper 7, while the cleanly squeezed food is recovered from the inside of the sieve drum 5, which is open on one side, by means of an inner scraper 8 attached from the outside.
  • the method can therefore be carried out with simple means without an energy-intensive leaching.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Processing Of Solid Wastes (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Fodder In General (AREA)
  • Vending Machines For Individual Products (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Meat, Egg Or Seafood Products (AREA)

Abstract

Foods which are not suitable, or are no longer suitable, for consumption have to be separated from their packaging in order to be usable as animal feed. <??>This is achieved by subjecting the foods with the packaging to preliminary comminution by crushing, and shaping the comminuted product to an extrudate, slicing the extrudate and subsequently separating the foods from the remains of the packaging by pressing the food through a sieve, the apparatus for carrying out the process being provided with a double screw (12) for comminution, a rotating multiple bladed knife (2) and a sieve press (3). <??>The area of application is the food industry. <IMAGE>

Description

Die Erfindung betrifft ein Verfahren zum Trennen von Lebensmit­teln von ihrer Verpackung sowie eine Vorrichtung zur Durchführung dieses Verfahrens.The invention relates to a method for separating food from its packaging and an apparatus for performing this method.

Es ist bereits bekannt, Lebensmittel, die für den menschlichen Verbrauch nicht oder nicht mehr zugelassen sind und zu Tierfutter verarbeitet werden sollen, mit Hand von ihrer Verpackung zu tren­nen und/oder zu zerkleinern.It is already known to manually separate and / or shred food that is not or no longer approved for human consumption and is to be processed into animal feed.

Diese Behandlung ist aber sehr kostenaufwendig, so daß Lebens­mitteln, die nicht oder nicht mehr zum menschlichen Verbrauch geeignet sind, oft auf Sondermüll-Deponien deponiert werden müssen.However, this treatment is very costly, so that foods that are not or no longer suitable for human consumption often have to be disposed of in hazardous waste landfills.

Bei den infrage kommenden Lebensmitteln handelt es sich um sol­che, bei denen bei der Herstellung Fehler auftraten, deren Halt­barkeitsdatum überschritten wurde oder die eingeführt wurden, obwohl sie nach deutschen Vorschriften nicht verkehrsfähig sind. Weiterhin kommen solche Lebensmittel infrage, bei denen zwar kei­ne Haltbarkeitsdaten vorgegeben sind, die aber durch zu lange Lagerung, Lagerung unter falschen Bedingungen oder anderen Umstän­den nicht mehr verkehrsfähig sind.The foodstuffs in question are those that have errors during manufacture, whose expiry date has passed or which have been introduced, although they are not marketable according to German regulations. Foodstuffs are also suitable for which no shelf life data are specified, but which are no longer marketable due to storage for too long, storage under incorrect conditions or other circumstances.

Aufgabe der Erfindung ist es, ein Verfahren zur maschinellen Aufbereitung der genannten Lebensmittel zu finden, welches nicht nur einfach mit verhältnismäßig geringen maschinellen Mitteln durchführbar ist, sondern welches es auch gestattet, verschie­denste Arten von Lebensmitteln zu verarbeiten, wobei der an den Verpackungsresten weiterhin haftende Lebensmittelanteil unbeacht­lich klein sein soll.The object of the invention is to find a method for the mechanical processing of the foods mentioned, which is not only easy to carry out with relatively little mechanical means, but which also allows the processing of various types of food, the food portion still adhering to the packaging residues should be insignificantly small.

Das erfindungsgemäße Verfahren soll sich auch zur Verarbeitung von nicht verpackten Lebensmitteln, z.B. Wurst in Naturdarm oder Brot ohne Verpackung eignen, wobei für die verpackten Lebensmit­tel eine derart gute Trennung von Verpackung und Lebensmitteln erfolgen soll, daß diese als Tierfutter verwendbar werden.The method according to the invention is also intended for processing of non-packaged foods, for example sausage in natural casings or bread without packaging, the packaged foods being so well separated from the packaging and foods that they can be used as animal feed.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß die Lebens­mittel mit den Verpackungen durch Quetschen vorzerkleinert und zu einem Strang geformt werden, der Strang geschnitten und danach die Trennung der Lebensmittel von den Verpackungsresten durch Durchpressen durch ein Sieb erfolgt.This object is achieved in that the food is pre-crushed with the packaging by squeezing and formed into a strand, the strand is cut and then the food is separated from the packaging remnants by being pressed through a sieve.

Zur Erleichterung der Trennung kann vorteilhaft vor dem Pressen Heißdampf in die zerkleinerte Masse eingeführt werden.To facilitate the separation, superheated steam can advantageously be introduced into the comminuted mass before pressing.

Die Vorrichtung zur Lösung der erfindungsgemäßen Aufgabe kenn­zeichnet sich vorteilhaft dadurch, daß sie eine Zerkleinerungs-­Doppelschnecke, ein rotierendes mehrflügeliges Messer und eine Siebpressse aufweist.The device for achieving the object according to the invention is advantageously characterized in that it has a comminution twin screw, a rotating multi-blade knife and a screen press.

Weitere vorteilhafte Ausgestaltungen dieser Vorrichtung sind in den Patentansprüchen 4 bis 7 angegeben.Further advantageous embodiments of this device are specified in claims 4 to 7.

Da der angestrebte Erfolg auf einfachste Weise erreicht wird, kann von einer idealen Lösung der anstehenden Probleme gesprochen werden.Since the desired success is achieved in the simplest way, one can speak of an ideal solution to the problems at hand.

Im folgenden wird ein Ausführungsbeispiel der Erfindung anhand von Zeichnungen näher beschrieben. Es zeigen:

  • Figur 1 schematisch den Aufbau einer erfindungsgemäßen Vorrich­tung,
  • Figur 2 einen Schnitt durch die verwendete Doppelschnecke,
  • Figur 3 einen Schnitt durch den Messerbereich des Vorzerklei­nerers und
  • Figur 4 eine schematische Seitenansicht der verwendeten Sieb­presse.
An exemplary embodiment of the invention is described in more detail below with reference to drawings. Show it:
  • FIG. 1 shows schematically the structure of a device according to the invention,
  • FIG. 2 shows a section through the twin screw used,
  • 3 shows a section through the knife area of the pre-shredder and
  • Figure 4 is a schematic side view of the screen press used.

Das erfindungsgemäße Verfahren wird wie folgt durchgeführt:The process according to the invention is carried out as follows:

Die hart verpackten Lebensmittel und feste Lebensmittel (z.B. Dauerwurst) werden in einem Vorzerkleinerer 12 mittels zweier elektrisch angetriebener, gegenläufig laufender Schnecken 1 mit Vierkantwendeln gequetscht, wobei die Verpackungen aufgerissen und feste Lebensmittel grob zerkleinert werden. Danach wird das zerkleinerte Gemisch als quasi homogene Masse nach dem Durchgang durch eine Platte mit Öffnungen 11 mittels einer elektrisch ange­triebenen Preßförderschnecke von einem mehrflügeligen Messer 2 nochmals zerkleinert.The hard-packed foods and solid foods (e.g. sausage) are crushed in a pre-shredder 12 by means of two electrically driven, counter-rotating screws 1 with square helices, the packages being torn open and solid foods being roughly shredded. The comminuted mixture is then comminuted again as a quasi-homogeneous mass after passing through a plate with openings 11 by means of an electrically driven press screw by a multi-bladed knife 2.

Die Masse wird dann einer elektrisch angetriebenen Förderschnecke 4 zugeführt, in deren Anfang auch Lebensmittel mit Weichver­packung eingegeben werden können.The mass is then fed to an electrically driven screw conveyor 4, in the beginning of which foodstuffs with soft packaging can also be entered.

Die Förderschnecke 4 wirft in einen Eingabetrichter 9 mit elek­trisch angetriebenem Förderf lügel 10 ab. An dieser Stelle kann Heißdampf zur besseren Abtrennung der Lebensmittel von der Ver­packung hinzugegeben werden.The screw conveyor 4 throws into an input hopper 9 with an electrically driven conveyor wing 10. At this point, superheated steam can be added to better separate the food from the packaging.

Die Masse wird dann in eine Siebpresse 3 gegeben und dort konti­nuierlich zwischen einer elektrisch angetriebenen Siebtrommel 5 und einem getrennt elektrisch angetriebenen Druckband 6 ge­quetscht, so daß die Lebensmittel von der Verpackung getrennt durch die Öffnungen der Trommel 5 nach innen gedrückt werden, während die Verpackungsmittel an der Außenwand der Trommel 5 zurückgehalten werden.The mass is then placed in a screen press 3, where it is continuously squeezed between an electrically driven screen drum 5 and a separately electrically driven pressure belt 6, so that the foodstuffs are pressed separately from the packaging through the openings of the drum 5 while the packaging means is on the outer wall of the drum 5 are retained.

Die Verpackungsreste werden dabei durch einen äußeren Abstreifer 7 von der Außenwand der Trommel entfernt, während die sauber aus­gepreßten Lebensmittel mittels eines von außen befestigten inneren Abstreifers 8 aus dem Inneren der einseitig offenen Siebtrommel 5 zurückgewonnen werden.The packaging residues are removed from the outer wall of the drum by an outer scraper 7, while the cleanly squeezed food is recovered from the inside of the sieve drum 5, which is open on one side, by means of an inner scraper 8 attached from the outside.

Das Verfahren kann also mit einfachen Mitteln ohne eine energie­aufwendige Auslaugung durchgeführt werden.The method can therefore be carried out with simple means without an energy-intensive leaching.

Claims (7)

1. Verfahren zum Trennen von Lebensmitteln von ihrer Verpak­kung, dadurch gekennzeichnet, daß die Lebensmittel mit den Verpackungen durch Quetschen vorzerkleinert und zu einem Strang geformt werden, der Strang geschnitten und danach die Trennung der Lebensmittel von den Verpackungsresten durch Durchpressen durch ein Sieb erfolgt.1. A method for separating food from its packaging, characterized in that the food is pre-shredded with the packaging by squeezing and formed into a strand, the strand is cut and then the separation of the food from the packaging residues is carried out by pressing through a sieve. 2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß vor dem Durchpressen Heißdampf in die Masse eingeführt wird.2. The method according to claim 1, characterized in that superheated steam is introduced into the mass before pressing. 3. Vorrichtung zur Durchführung des Verfahrens nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, daß sie eine Zerklei­nerungs-Doppelschnecke (1), ein rotierendes mehrflügeliges Messer (2) und eine Siebpresse (3) aufweist.3. Device for performing the method according to one of claims 1 or 2, characterized in that it has a comminution twin screw (1), a rotating multi-blade knife (2) and a screen press (3). 4. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, daß zwischen dem Messer (2) und der Siebpresse (3) ein Schneckenför­derer (4) angeordnet ist.4. The device according to claim 3, characterized in that a screw conveyor (4) is arranged between the knife (2) and the screen press (3). 5. Vorrichtung nach einem der Ansprüche 3 oder 4, dadurch gekennzeichnet, daß die Siebpresse (3) eine rotierende Siebtrom­mel (5) mit einem an Teilen des Umfangs der Trommel (5) anlie­genden Druckband (6) aufweist.5. Device according to one of claims 3 or 4, characterized in that the screen press (3) has a rotating screen drum (5) with a part of the circumference of the drum (5) adjacent pressure band (6). 6. Vorrichtung nach Anspruch 5, dadurch gekennzeichnet, daß an der Siebtrommel (5) ein äußerer (7) und ein innerer (8) Abstrei­fer anliegt.6. The device according to claim 5, characterized in that on the sieve drum (5) an outer (7) and an inner (8) wiper abuts. 7. Vorrichtung nach einem der Ansprüche 5 oder 6, dadurch gekennzeichnet, daß die Siebpresse (3) einen Eingabetrichter (9) mit einem rotierenden Förderflügel (10) aufweist.7. Device according to one of claims 5 or 6, characterized in that the screen press (3) has an input funnel (9) with a rotating conveyor wing (10).
EP90104257A 1989-03-08 1990-03-06 Method for separating food products from their packaging material and apparatus for executing this method Expired - Lifetime EP0386694B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3907401A DE3907401C1 (en) 1989-03-08 1989-03-08
DE3907401 1989-03-08

Publications (2)

Publication Number Publication Date
EP0386694A1 true EP0386694A1 (en) 1990-09-12
EP0386694B1 EP0386694B1 (en) 1993-04-14

Family

ID=6375784

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90104257A Expired - Lifetime EP0386694B1 (en) 1989-03-08 1990-03-06 Method for separating food products from their packaging material and apparatus for executing this method

Country Status (9)

Country Link
US (1) US5100064A (en)
EP (1) EP0386694B1 (en)
JP (1) JPH0358754A (en)
AT (1) ATE88150T1 (en)
CA (1) CA2011803A1 (en)
DE (2) DE3907401C1 (en)
DK (1) DK0386694T3 (en)
ES (1) ES2041062T3 (en)
HK (1) HK27694A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0623288A1 (en) * 1993-05-04 1994-11-09 Olisefi S.A. Installation for the use of outdated or spoiled foodstuffs of human consumption for animal consumption
DE202017006986U1 (en) 2016-01-25 2019-01-30 Josef Manner & Comp. Aktiengesellschaft Device for unpacking food

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5848754A (en) * 1994-10-12 1998-12-15 Nordischer Maschinenbau Rud. Baader Gmbh & Co. Kg Method and apparatus for the recovery of packaging and its contents
EP0710512B1 (en) * 1994-10-12 2000-05-10 Nordischer Maschinenbau Rud. Baader Gmbh + Co Kg Method and device for recovering packaging materials and their contents
US5865113A (en) * 1997-12-11 1999-02-02 Weber; Irvon Material densifying and separating device
CN1446169A (en) * 2000-08-11 2003-10-01 远藤岩雄 Refuse sorting device
ES2200719B1 (en) * 2003-10-10 2005-05-01 Buenaviva Invest, S.L. PROCEDURE FOR THE RECOVERY OF DAIRY AND DERIVATIVE PRODUCTS AND APPLIANCE FOR THEIR REALIZATION.
CN108543607A (en) * 2018-04-26 2018-09-18 南通瑞强机械制造有限公司 A kind of multi-stage screening system of processing building and decoration rubbish
PL3939777T4 (en) 2020-07-15 2025-08-18 Nordischer Maschinenbau Rud. Baader Gmbh + Co Kg A device for separating mixed substances of different fluidity.

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1209951B (en) * 1964-09-18 1966-01-27 Moeller Johannes Fa Bag tearing and emptying device
GB1235721A (en) * 1968-08-26 1971-06-16 Ambuco Ltd Improvements in and relating to handling bags containing powdered and other particulate materials
US3834630A (en) * 1971-11-26 1974-09-10 Gunsons Sortex Ltd Recovery of packaged contents
DE2554659A1 (en) * 1975-12-05 1977-06-16 Luco Technic Gmbh Machine for emptying paper and similar bags - has shredding and baling station for empty bags
FR2356585A1 (en) * 1976-06-28 1978-01-27 Kockums Construction Ab METHOD AND MACHINE FOR HANDLING PALLETIZED LOADS OF BULK MATERIALS CONTAINED IN BAGS
FR2383078A2 (en) * 1977-03-10 1978-10-06 Vibramec Sarl BAG OPENING DEVICE
EP0172976A1 (en) * 1984-08-22 1986-03-05 LUCO-TECHNIC GMBH Verfahrenstechnische Anlagen Bag cutting - and bag emptying device
WO1986006262A1 (en) * 1985-04-29 1986-11-06 Prize Frize, Inc. Apparatus and method for preparing fried potato products
DE3633396C1 (en) * 1986-10-01 1987-11-05 Nordischer Maschinenbau Device for separating the flowable components from a mixture of substances

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3346199A (en) * 1964-06-12 1967-10-10 Gordon H Strite Feed blender and crusher
US3266543A (en) * 1965-08-17 1966-08-16 Stephen A Paoli Method of producing boneless comminuted meat
DE3214294C1 (en) * 1982-04-19 1984-01-05 Bert 5470 Andernach Steffens Process for the recovery of cellulose curls and flat wrappings from cellulose hygiene articles

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1209951B (en) * 1964-09-18 1966-01-27 Moeller Johannes Fa Bag tearing and emptying device
GB1235721A (en) * 1968-08-26 1971-06-16 Ambuco Ltd Improvements in and relating to handling bags containing powdered and other particulate materials
US3834630A (en) * 1971-11-26 1974-09-10 Gunsons Sortex Ltd Recovery of packaged contents
DE2554659A1 (en) * 1975-12-05 1977-06-16 Luco Technic Gmbh Machine for emptying paper and similar bags - has shredding and baling station for empty bags
FR2356585A1 (en) * 1976-06-28 1978-01-27 Kockums Construction Ab METHOD AND MACHINE FOR HANDLING PALLETIZED LOADS OF BULK MATERIALS CONTAINED IN BAGS
FR2383078A2 (en) * 1977-03-10 1978-10-06 Vibramec Sarl BAG OPENING DEVICE
EP0172976A1 (en) * 1984-08-22 1986-03-05 LUCO-TECHNIC GMBH Verfahrenstechnische Anlagen Bag cutting - and bag emptying device
WO1986006262A1 (en) * 1985-04-29 1986-11-06 Prize Frize, Inc. Apparatus and method for preparing fried potato products
DE3633396C1 (en) * 1986-10-01 1987-11-05 Nordischer Maschinenbau Device for separating the flowable components from a mixture of substances

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0623288A1 (en) * 1993-05-04 1994-11-09 Olisefi S.A. Installation for the use of outdated or spoiled foodstuffs of human consumption for animal consumption
DE202017006986U1 (en) 2016-01-25 2019-01-30 Josef Manner & Comp. Aktiengesellschaft Device for unpacking food

Also Published As

Publication number Publication date
US5100064A (en) 1992-03-31
CA2011803A1 (en) 1990-09-08
DE3907401C1 (en) 1990-03-29
HK27694A (en) 1994-03-31
EP0386694B1 (en) 1993-04-14
ATE88150T1 (en) 1993-04-15
ES2041062T3 (en) 1993-11-01
DK0386694T3 (en) 1993-08-02
JPH0358754A (en) 1991-03-13
DE59001183D1 (en) 1993-05-19

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