WO2007071298A1 - Packaging machine with a thermoforming station with a claw vacuum pump - Google Patents

Packaging machine with a thermoforming station with a claw vacuum pump Download PDF

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Publication number
WO2007071298A1
WO2007071298A1 PCT/EP2006/010782 EP2006010782W WO2007071298A1 WO 2007071298 A1 WO2007071298 A1 WO 2007071298A1 EP 2006010782 W EP2006010782 W EP 2006010782W WO 2007071298 A1 WO2007071298 A1 WO 2007071298A1
Authority
WO
WIPO (PCT)
Prior art keywords
packaging machine
overpressure
pressure
vacuum pump
thermoforming station
Prior art date
Application number
PCT/EP2006/010782
Other languages
German (de)
French (fr)
Inventor
Klaus Meyer
Original Assignee
Cfs Germany Gmbh
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 Cfs Germany Gmbh filed Critical Cfs Germany Gmbh
Publication of WO2007071298A1 publication Critical patent/WO2007071298A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/10—Forming by pressure difference, e.g. vacuum
    • 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
    • B65B47/00—Apparatus or devices for forming pockets or receptacles in or from sheets, blanks, or webs, comprising essentially a die into which the material is pressed or a folding die through which the material is moved
    • B65B47/02—Apparatus or devices for forming pockets or receptacles in or from sheets, blanks, or webs, comprising essentially a die into which the material is pressed or a folding die through which the material is moved with means for heating the material prior to forming
    • 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
    • B65B47/00—Apparatus or devices for forming pockets or receptacles in or from sheets, blanks, or webs, comprising essentially a die into which the material is pressed or a folding die through which the material is moved
    • B65B47/08—Apparatus or devices for forming pockets or receptacles in or from sheets, blanks, or webs, comprising essentially a die into which the material is pressed or a folding die through which the material is moved by application of fluid pressure
    • 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
    • B65B47/00—Apparatus or devices for forming pockets or receptacles in or from sheets, blanks, or webs, comprising essentially a die into which the material is pressed or a folding die through which the material is moved
    • B65B47/08—Apparatus or devices for forming pockets or receptacles in or from sheets, blanks, or webs, comprising essentially a die into which the material is pressed or a folding die through which the material is moved by application of fluid pressure
    • B65B47/10—Apparatus or devices for forming pockets or receptacles in or from sheets, blanks, or webs, comprising essentially a die into which the material is pressed or a folding die through which the material is moved by application of fluid pressure by vacuum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2791/00—Shaping characteristics in general
    • B29C2791/004—Shaping under special conditions
    • B29C2791/006—Using vacuum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2791/00—Shaping characteristics in general
    • B29C2791/004—Shaping under special conditions
    • B29C2791/007—Using fluid under pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/26—Component parts, details or accessories; Auxiliary operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/26—Component parts, details or accessories; Auxiliary operations
    • B29C51/42—Heating or cooling
    • B29C51/421—Heating or cooling of preforms, specially adapted for thermoforming

Definitions

  • the present invention relates to a packaging machine with a thermoforming station, in which flat plastic films can be acted upon by underpressure or overpressure, wherein the underpressure and the overpressure can be produced with the same agent.
  • thermoforming stations where it is often necessary to pressurize the plastic film with both a lower and an overpressure.
  • two separate pressure medium have been required, which makes these thermoforming relatively expensive and their maintenance consuming.
  • the object is achieved with a packaging machine with a thermoforming station, in the plane plastic films can be acted upon with underpressure or overpressure, wherein the underpressure and the overpressure can be generated by the same means.
  • the packaging machine has a deep-drawing station, in which a packaging film can be subjected to both underpressure and overpressure.
  • the respective pressure is generated by the same means.
  • the deep-drawing station preferably has an upper tool and a lower tool, the upper tool being arranged above the plastic film and the lower tool below the plastic film.
  • the negative pressure or the overpressure are generated in the region of the lower tool or of the upper tool.
  • the film is pressed against the heating plate, so that the heat transfer between the plastic film and the heating means is improved. As a result, the plastic film can be heated much better and faster, then deep-drawn to a packaging tray.
  • the deep drawing is also carried out with under and / or overpressure.
  • the means for generating the underpressure or the overpressure may be any means familiar to the person skilled in the art with which both overpressure and underpressure can be generated. However, it is preferably a pump, very particularly preferably a claw vacuum pump. In such pumps, two claws rotate in opposite directions in a housing. Due to the special geometric shape of the claws, sucked air is compressed inside the vacuum pump. The air is drawn in via the suction flange, compressed in the compression chamber and then expelled again on the pressure side.
  • the pump is connected to one or more containers in which there is under or over pressure. These containers serve as buffer tanks.
  • FIG. 1 shows schematically the thermoforming station of a packaging machine.
  • this thermoforming station one or more packaging trough (s), for example by deep drawing, are formed in a flat plastic film 1.
  • the thermoforming station has an upper tool 3 and a lower tool 2. At least the lower tool is arranged vertically movable. In the lower tool is the negative of the packaging tray to be produced.
  • a heating element 4 is arranged to heat the plastic film before deformation to the plasticizing temperature. The skilled person understands that the heating element before the thermoforming station can be arranged.
  • a claw vacuum pump for example, the company Busch, DE-79689 Maulberg, arranged with the both negative pressure and pressure in a Studentsettabehalter 8 or negative pressure in a vacuum tank 9 can be generated.
  • the valve 15 or the valve 10 are opened.
  • the area in which the vacuum prevails is 5 and the area in the overpressure is marked 7.
  • Both the vacuum tank 9 and the pressure vessel 8 are connected to the upper tool 3 and the lower tool 2, wherein the respective pressure is usually present only in one of the two tools, ie either negative pressure or positive pressure in the lower or in the upper tool is applied , Accordingly, only one of the valves 13, 14 or 11, 12 is opened.
  • an overpressure and / or a negative pressure is generated in the upper tool at the beginning of the deformation in the lower tool.
  • the plastic film 1 is pressed against the heating means 4 in order to improve the heat transfer between the plastic film 1 and the heating means 4.
  • a negative pressure is generated in the lower tool 2 by means of the pump 6 or with the pressure containers 8, 9 and / or an overpressure is generated in the upper tool, with which the plastic film is then deformed.
  • the present invention has the advantage that with the pump 6, both the required lower and the required pressure can be generated.

Abstract

The present invention relates to a packaging machine with a thermo­forming station in which planar plastic sheets (1) can be subjected to negative pressure (5) or positive pressure (6), it being possible for the negative pressure and the positive pressure to be generated by the same means (6).

Description

Verpackungsmaschine mit einer Tiefziehstation mit einer Klauen- VakuumpumpePackaging machine with a thermoforming station with a claw vacuum pump
Die vorliegende Erfindung betrifft eine Verpackungsmaschine mit einer Tiefziehstation, in der plane Kunststofffolien mit Unter- oder Überdruck beaufschlagbar sind, wobei der Unter- und der Überdruck mit demselben Mittel erzeugbar sind.The present invention relates to a packaging machine with a thermoforming station, in which flat plastic films can be acted upon by underpressure or overpressure, wherein the underpressure and the overpressure can be produced with the same agent.
Bei Verpackungsmaschinen, insbesondere bei sogenannten Form- Füll- Siegel- Maschinen werden Mulden in plane Kunststofffolien, insbesondere durch Tiefziehen, eingeformt, nachdem diese vorher erwärmt wurden. Dieses Tiefziehen erfolgt in sogenannten Tiefziehstationen, in denen es oftmals nötig ist, die Kunststofffolie sowohl mit einem Unter- als auch mit einem Überdruck zu beaufschlagen. Dafür wurden bisher zwei getrennte Druckmittel benötigt, was diese Tiefziehstationen vergleichsweise teuer und deren Wartung aufwändig macht.In packaging machines, especially in so-called form-fill-seal machines troughs in flat plastic films, in particular by deep drawing, formed after they were previously heated. This deep drawing takes place in so-called thermoforming stations, where it is often necessary to pressurize the plastic film with both a lower and an overpressure. For this purpose, two separate pressure medium have been required, which makes these thermoforming relatively expensive and their maintenance consuming.
Es war deshalb die Aufgabe der vorliegenden Erfindung, eine Verpackungsmaschine zur Verfügung zu stellen, die die Nachteile des Standes der Technik nicht aufweist.It was therefore the object of the present invention to provide a packaging machine which does not have the disadvantages of the prior art.
Gelöst wird die Aufgabe mit einer Verpackungsmaschine mit einer Tiefziehstation, in der plane Kunststofffolien mit Unter- oder Überdruck beaufschlagbar sind, wobei der Unter- und der Überdruck mit demselben Mittel erzeugbar ist.The object is achieved with a packaging machine with a thermoforming station, in the plane plastic films can be acted upon with underpressure or overpressure, wherein the underpressure and the overpressure can be generated by the same means.
Es war für den Fachmann überaus erstaunlich und nicht zu erwarten, dass die erfindungsgemäße Verpackungsmaschine einfach und kostengünstig herzustellen ist. Durch die vorgenannte Erfindung sind erhebliche Kosteneinsparungen möglich.It was extremely surprising for the person skilled in the art and it was not to be expected that the packaging machine according to the invention would be simple and inexpensive to produce. By the aforementioned invention, significant cost savings are possible.
Erfindungsgemäß weist die Verpackungsmaschine eine Tiefziehstation auf, in der eine Verpackungsfolie sowohl mit Unter- als auch mit Überdruck beaufschlagbar ist. Erfindungsgemäß wird der jeweilige Druck mit demselben Mittel erzeugt.According to the invention, the packaging machine has a deep-drawing station, in which a packaging film can be subjected to both underpressure and overpressure. According to the invention, the respective pressure is generated by the same means.
Vorzugsweise weist die Tiefziehstation ein Ober- und ein Unterwerkzeug auf, wobei das Oberwerkzeug oberhalb der Kunststofffolie und das Unterwerkzeug unterhalb der Kunststofffolie angeordnet ist. Vorzugsweise werden der Unterdruck oder der Überdruck im Bereich des Unterwerkzeugs oder des Oberwerkzeugs erzeugt. Vorzugsweise wird mit Unter- und/oder Überdruck die Folie gegen die Heizplatte gedrückt, so dass der Wärmeübergang zwischen der Kunststofffolie und dem Heizmittel verbessert wird. Dadurch kann die Kunststofffolie wesentlich besser und schneller erwärmt werden, um sie sodann zu einer Verpackungsmulde tiefzuziehen. Das Tiefziehen erfolgt ebenfalls mit Unter- und/oder Überdruck.The deep-drawing station preferably has an upper tool and a lower tool, the upper tool being arranged above the plastic film and the lower tool below the plastic film. Preferably, the negative pressure or the overpressure are generated in the region of the lower tool or of the upper tool. Preferably, with under and / or overpressure, the film is pressed against the heating plate, so that the heat transfer between the plastic film and the heating means is improved. As a result, the plastic film can be heated much better and faster, then deep-drawn to a packaging tray. The deep drawing is also carried out with under and / or overpressure.
Bei dem Mittel zur Erzeugung des Unter- bzw. des Überdrucks kann es sich um jedes dem Fachmann geläufige Mittel handeln, mit dem sowohl Über- als auch Unterdruck erzeugbar ist. Vorzugsweise handelt es sich jedoch um eine Pumpe, ganz besonders bevorzugt um eine Klauen- Vakuumpumpe. Bei derartigen Pumpen drehen sich zwei Klauen gegensinnig in einem Gehäuse. Durch die spezielle geometrische Form der Klauen wird angesaugte Luft im Inneren der Vakuumpumpe verdichtet. Die Luft wird über den Saugflansch angesaugt, im Verdichtungsraum verdichtet und auf der Druckseite anschließend wieder ausgestoßen.The means for generating the underpressure or the overpressure may be any means familiar to the person skilled in the art with which both overpressure and underpressure can be generated. However, it is preferably a pump, very particularly preferably a claw vacuum pump. In such pumps, two claws rotate in opposite directions in a housing. Due to the special geometric shape of the claws, sucked air is compressed inside the vacuum pump. The air is drawn in via the suction flange, compressed in the compression chamber and then expelled again on the pressure side.
Vorzugsweise ist die Pumpe an einen oder mehrere Behälter angeschlossen, in denen Unter- oder Überdruck herrscht. Diese Behälter dienen als Pufferbehälter.Preferably, the pump is connected to one or more containers in which there is under or over pressure. These containers serve as buffer tanks.
Im folgenden wird die Erfindung anhand der einzigen Figur erläutert. Diese Erläuterungen sind lediglich beispielhaft und schränken den allgemeinen Erfindungsgedanken nicht ein.In the following the invention will be explained with reference to the single figure. These explanations are merely exemplary and do not limit the general inventive concept.
Figur 1 zeigt schematisch die Tiefziehstation einer Verpackungsmaschine. In dieser Tiefziehstation wird in eine plane Kunststofffolie 1 eine oder mehrere Verpackungsmulde(n), beispielsweise durch Tiefziehen, eingeformt. Die Tiefziehstation weist ein Oberwerkzeug 3 und ein Unterwerkzeug 2 auf. Zumindest das Unterwerkzeug ist vertikal beweglich angeordnet. In dem Unterwerkzeug befindet sich das Negativ der herzustellenden Verpackungsmulde. In dem Oberwerkzeug ist in dem vorliegenden Fall ein Heizelement 4 angeordnet, um die Kunststofffolie vor dem Verformen bis zur Plastifizierungstemperatur aufzuwärmen. Der Fachmann versteht, dass das Heizelement auch vor der Tiefziehstation angeordnet sein kann. Im Bereich des Unterwerkzeuges ist eine Klauen- Vakuumpumpe, beispielsweise der Firma Busch, DE-79689 Maulberg, angeordnet, mit der sowohl Unterdruck als auch Überdruck in einem Überdruckbehalter 8 oder Unterdruck in einem Unterdruckbehälter 9 erzeugt werden kann. Dafür werden entweder das Ventil 15 oder das Ventil 10 geöffnet. Der Bereich, in dem Unterdruck herrscht ist mit 5 und der Bereich in dem Überdruck herrscht mit 7 gekennzeichnet. Sowohl der Unterdruckbehälter 9 als auch der Überdruckbehälter 8 sind mit dem Oberwerkzeug 3 und mit dem Unterwerkzeug 2 verbunden, wobei der jeweilige Druck in der Regel nur in einem der beiden Werkzeuge anliegen wird, d.h. entweder Unterdruck oder Überdruck im Unter- bzw. im Oberwerkzeug anliegt. Dementsprechend ist immer nur eines der Ventile 13, 14 bzw. 11 , 12 geöffnet. Es ist jedoch durchaus vorteilhaft, wenn in dem einen Werkzeug Überdruck und in dem anderen Werkzeug Unterdruck herrscht und umgekehrt. Der Fachmann erkennt, dass die Behälter 8, 9 nur optional sind und als Pufferbehälter dienen, so dass bei Bedarf bzw. beim Öffnen des jeweiligen Ventils die entsprechenden Drücke im wesentlichen sofort zur Verfügung stehen. Dadurch wird das Anliegen des jeweiligen Drucks beschleunigt bzw. es steht gleichzeitig sowohl Über- als auch Unterdruck zur Verfügung. Der Überdruck bzw. Unterdruck ist jeweils bezogen auf Atmosphärendruck zu verstehen.Figure 1 shows schematically the thermoforming station of a packaging machine. In this thermoforming station, one or more packaging trough (s), for example by deep drawing, are formed in a flat plastic film 1. The thermoforming station has an upper tool 3 and a lower tool 2. At least the lower tool is arranged vertically movable. In the lower tool is the negative of the packaging tray to be produced. In the upper tool in the present case, a heating element 4 is arranged to heat the plastic film before deformation to the plasticizing temperature. The skilled person understands that the heating element before the thermoforming station can be arranged. In the area of the lower tool is a claw vacuum pump, for example, the company Busch, DE-79689 Maulberg, arranged with the both negative pressure and pressure in a Überdruckbehalter 8 or negative pressure in a vacuum tank 9 can be generated. For this either the valve 15 or the valve 10 are opened. The area in which the vacuum prevails is 5 and the area in the overpressure is marked 7. Both the vacuum tank 9 and the pressure vessel 8 are connected to the upper tool 3 and the lower tool 2, wherein the respective pressure is usually present only in one of the two tools, ie either negative pressure or positive pressure in the lower or in the upper tool is applied , Accordingly, only one of the valves 13, 14 or 11, 12 is opened. However, it is quite advantageous if negative pressure prevails in one tool and negative pressure in the other tool and vice versa. The person skilled in the art will recognize that the containers 8, 9 are only optional and serve as buffer containers, so that when required or when opening the respective valve, the corresponding pressures are available substantially immediately. As a result, the concern of the respective pressure is accelerated or it is simultaneously both positive and negative pressure available. The overpressure or vacuum is to be understood in each case based on atmospheric pressure.
In der Regel wird zu Beginn der Verformung in dem Unterwerkzeug zunächst ein Überdruck und/oder in dem Oberwerkzeug ein Unterdruck erzeugt. Mittels dieser Druckverhältnisse wird die Kunststofffolie 1 gegen das Heizmittel 4 gedrückt, um den Wärmeübergang zwischen der Kunststofffolie 1 und dem Heizmittel 4 zu verbessern. Sobald die Kunststofffolie ihre Plastifizierungstemperatur erreicht hat, wird mittels der Pumpe 6 oder mit den Druckbehaltern 8, 9 in dem Unterwerkzeug 2 ein Unterdruck erzeugt und/oder in dem Oberwerkzeug ein Überdruck erzeugt, mit dem die Kunststofffolie sodann verformt wird.As a rule, an overpressure and / or a negative pressure is generated in the upper tool at the beginning of the deformation in the lower tool. By means of these pressure conditions, the plastic film 1 is pressed against the heating means 4 in order to improve the heat transfer between the plastic film 1 and the heating means 4. As soon as the plastic film has reached its plasticizing temperature, a negative pressure is generated in the lower tool 2 by means of the pump 6 or with the pressure containers 8, 9 and / or an overpressure is generated in the upper tool, with which the plastic film is then deformed.
Die vorliegende Erfindung hat den Vorteil, dass mit der Pumpe 6 sowohl der benötigte Unter- als auch der benötigte Überdruck erzeugbar sind. BezugszeichenThe present invention has the advantage that with the pump 6, both the required lower and the required pressure can be generated. reference numeral
1 Kunststofffolie1 plastic film
2 Unterwerkzeug2 lower tools
3 Oberwerkzeug3 upper tool
4 Heizmittel4 heating means
5 Unterdruck5 negative pressure
6 Pumpe6 pump
7 Überdruck7 overpressure
8 Überdruckbehälter8 pressure vessel
9 Unterdruckbehälter9 vacuum tank
10-15 Ventil 10-15 valve

Claims

Patentansprüche: claims:
1. Verpackungsmaschine mit einer Tiefziehstation, in der plane Kunststofffolien (1 ) mit Unter- (5) oder Überdruck (6) beaufschlagbar sind, dadurch gekennzeichnet, dass der Unter- und der Überdruck mit demselben Mittel (6) erzeugbar ist.1. Packaging machine with a thermoforming station, in the plane plastic films (1) with lower (5) or positive pressure (6) can be acted upon, characterized in that the underpressure and the overpressure with the same means (6) can be generated.
2. Verpackungsmaschine, nach Anspruch 1 , dadurch gekennzeichnet, dass mit dem Überdruck (6) der Kontakt der Kunststofffolie (1 ) zu einem Heizmittel (4) herstellbar ist.2. Packaging machine, according to claim 1, characterized in that with the overpressure (6) of the contact of the plastic film (1) to a heating means (4) can be produced.
3. Verpackungsmaschine nach einem der voranstehenden Ansprüche, dadurch gekennzeichnet, dass mit dem Unter- oder dem Überdruck eine Mulde in die Kunststofffolie einformbar ist.3. Packaging machine according to one of the preceding claims, characterized in that with the underpressure or the overpressure, a trough in the plastic film can be formed.
4. Verpackungsmaschine nach einem der voranstehenden Ansprüche, dadurch gekennzeichnet, dass das Mittel (6) eine Pumpe ist.4. Packaging machine according to one of the preceding claims, characterized in that the means (6) is a pump.
5. Verpackungsmaschine nach Anspruch 4, dadurch gekennzeichnet, dass die Pumpe eine Klauen-Vakuumpumpe ist. 5. Packaging machine according to claim 4, characterized in that the pump is a claw vacuum pump.
PCT/EP2006/010782 2005-12-20 2006-11-10 Packaging machine with a thermoforming station with a claw vacuum pump WO2007071298A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200510061315 DE102005061315A1 (en) 2005-12-20 2005-12-20 Packaging machine with a thermoforming station with a claw vacuum pump
DE102005061315.2 2005-12-20

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WO2007071298A1 true WO2007071298A1 (en) 2007-06-28

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Cited By (2)

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Publication number Priority date Publication date Assignee Title
US8091322B2 (en) 2007-07-06 2012-01-10 Multivac Sepp Haggenmueller Gmbh & Co. Kg Packaging machine and method for producing packages made of a film
US20180155074A1 (en) * 2016-12-06 2018-06-07 Multivac Sepp Haggenmüller Se & Co. Kg Tray sealer

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008052599A1 (en) * 2008-10-21 2010-04-22 Multivac Sepp Haggenmüller Gmbh & Co. Kg Method for producing a packaging and packaging machine
JP4491049B1 (en) 2009-12-28 2010-06-30 株式会社浅野研究所 Thermoforming device by hot plate heating and thermoforming method
DE102010019635B4 (en) * 2010-05-06 2014-04-03 Multivac Sepp Haggenmüller Gmbh & Co. Kg Sealing station for a packaging machine

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US3512332A (en) * 1965-04-30 1970-05-19 Hassia Verpackung Ag Packaging containers as well as procedure and devices for their manufacture

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Publication number Priority date Publication date Assignee Title
CH332587A (en) * 1955-10-05 1958-09-15 Hydro Chemie Aktiengesellschaf Process for deforming thermoplastic films and devices for carrying out the process
DE3842135A1 (en) * 1988-12-15 1990-06-21 Kraemer & Grebe Kg METHOD AND DEVICE FOR TRAINING A CONTAINER-SHAPED FILM BODY
DE19629174A1 (en) * 1996-07-19 1998-01-22 Leybold Vakuum Gmbh Claw pump for producing vacuum

Patent Citations (1)

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Publication number Priority date Publication date Assignee Title
US3512332A (en) * 1965-04-30 1970-05-19 Hassia Verpackung Ag Packaging containers as well as procedure and devices for their manufacture

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8091322B2 (en) 2007-07-06 2012-01-10 Multivac Sepp Haggenmueller Gmbh & Co. Kg Packaging machine and method for producing packages made of a film
US20180155074A1 (en) * 2016-12-06 2018-06-07 Multivac Sepp Haggenmüller Se & Co. Kg Tray sealer
US10913562B2 (en) * 2016-12-06 2021-02-09 Multivac Sepp Haggenmüller Se & Co. Kg Tray sealer

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