DE1704041B1 - Maschine zum Verschweissen thermoplastischer Folien - Google Patents

Maschine zum Verschweissen thermoplastischer Folien

Info

Publication number
DE1704041B1
DE1704041B1 DE19671704041D DE1704041DA DE1704041B1 DE 1704041 B1 DE1704041 B1 DE 1704041B1 DE 19671704041 D DE19671704041 D DE 19671704041D DE 1704041D A DE1704041D A DE 1704041DA DE 1704041 B1 DE1704041 B1 DE 1704041B1
Authority
DE
Germany
Prior art keywords
cylinder
sealing bars
film web
counter
machine
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.)
Pending
Application number
DE19671704041D
Other languages
English (en)
Inventor
Amir Dr-Ing Erk
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.)
Fischer and Krecke GmbH and Co KG
Original Assignee
Fischer and Krecke GmbH and Co KG
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 Fischer and Krecke GmbH and Co KG filed Critical Fischer and Krecke GmbH and Co KG
Publication of DE1704041B1 publication Critical patent/DE1704041B1/de
Pending legal-status Critical Current

Links

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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/834—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools moving with the parts to be joined
    • B29C66/8351—Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws
    • B29C66/83511—Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws jaws mounted on rollers, cylinders or drums
    • 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/004—Preventing sticking together, e.g. of some areas of the parts to be joined
    • B29C66/0042—Preventing sticking together, e.g. of some areas of the parts to be joined of the joining tool and the parts to be joined
    • B29C66/0044—Preventing sticking together, e.g. of some areas of the parts to be joined of the joining tool and the parts to be joined using a separating sheet, e.g. fixed on the joining tool
    • B29C66/00441—Preventing sticking together, e.g. of some areas of the parts to be joined of the joining tool and the parts to be joined using a separating sheet, e.g. fixed on the joining tool movable, e.g. mounted on reels
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/02—Preparation of the material, in the area to be joined, prior to joining or welding
    • B29C66/024—Thermal pre-treatments
    • B29C66/0242—Heating, or preheating, e.g. drying
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/834—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools moving with the parts to be joined
    • B29C66/8341—Roller, cylinder or drum types; Band or belt types; Ball types
    • B29C66/83411—Roller, cylinder or drum types
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/834—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools moving with the parts to be joined
    • B29C66/8341—Roller, cylinder or drum types; Band or belt types; Ball types
    • B29C66/83411—Roller, cylinder or drum types
    • B29C66/83415—Roller, cylinder or drum types the contact angle between said rollers, cylinders or drums and said parts to be joined being a non-zero angle
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/834—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools moving with the parts to be joined
    • B29C66/8341—Roller, cylinder or drum types; Band or belt types; Ball types
    • B29C66/83421—Roller, cylinder or drum types; Band or belt types; Ball types band or belt types
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
    • B29C66/9141—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature
    • B29C66/91411—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature of the parts to be joined, e.g. the joining process taking the temperature of the parts to be joined into account
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
    • B29C66/9141—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature
    • B29C66/91441—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature the temperature being non-constant over time
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
    • B29C66/9161—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the heat or the thermal flux, i.e. the heat flux
    • B29C66/91641—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the heat or the thermal flux, i.e. the heat flux the heat or the thermal flux being non-constant over time
    • B29C66/91643—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the heat or the thermal flux, i.e. the heat flux the heat or the thermal flux being non-constant over time following a heat-time profile
    • B29C66/91645—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the heat or the thermal flux, i.e. the heat flux the heat or the thermal flux being non-constant over time following a heat-time profile by steps
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/834—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools moving with the parts to be joined
    • B29C66/8351—Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws
    • B29C66/83511—Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws jaws mounted on rollers, cylinders or drums
    • B29C66/83513—Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws jaws mounted on rollers, cylinders or drums cooperating jaws mounted on rollers, cylinders or drums and moving in a closed path
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
    • B29C66/9141—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature
    • B29C66/91441—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature the temperature being non-constant over time
    • B29C66/91443—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature the temperature being non-constant over time following a temperature-time profile
    • B29C66/91445—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature the temperature being non-constant over time following a temperature-time profile by steps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Description

  • Der Gegenstand der Erfindung betrifft eine Maschine zum Verschweißen thermoplastischer Folien, wobei die Folienbahn, die durch ein Trennmittel in Form eines endlosen Bandes abgedeckt ist, zwischen einem Gegenzylinder und einer Schweißleiste durchläuft.
  • Es ist bereits eine Schweißvorrichtung bekannt, bei der kontinuierlich geförderte, thermoplastische Folien zwischen einer umlaufenden Trommel und einem endlos umlaufenden Förderband quer verschweißt werden, wobei die Heizleisten in der Trommel angeordnet sind. Mit dieser Vorrichtung ist es jedoch nicht möglich, die Abstände der Schweißnähte zu wechseln.
  • Der Erfindung liegt die Aufgabe zugrunde, eine Vorrichtung zu schaffen, mit der die Durchlaufgeschwindigkeit der Folien hoch und die Heizleistungstemperatur niedrig gehalten werden kann, wobei die Abstände der Schweißnähte veränderbar sein sollen.
  • Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß der Gegenzylinder im Bereich seines Mantelumfanges eine beliebige Anzahl hintereinander angeordneter, um ihre jeweilige Achse rotierender, beheizter Schweißleisten aufweist, wobei der Abstand der einzelnen Schweißleisten voneinander und deren synchroner Antrieb sowie die Umlaufgeschwindigkeit des Gegenzylinders derart gewählt ist, daß die von dem Gegenzylinder mitgenommene Folienbahn mit dem Trennmittel von allen hintereinander angeordneten Schweißleisten stets an derselben Berührungsstelle beaufschlagt ist.
  • Es handelt sich um die Anordnung von einzelnen hintereinander angeordneten Schweißstationen, die es gestatten, die Temperatur der Schweißnaht von der ersten bis zur letzten Station derart zu steigern, daß bei der letzten Station die endgültige Schweißtemperatur für die Folienbahn erreicht ist. Der Schweißvorgang geschieht demzufolge mit kumulativer Wärmezufuhr über beliebig viele Schweißstationen.
  • Der Vorteil des Gegenstandes der Erfindung besteht darin, daß bei relativ geringer Temperatur der hintereinander angeordneten, rotierenden Schweißleisten sich die übertragenen Wärmemengen der einzelnen Schweißleiste addieren, bis bei der letzten Schweißleiste die Schweißtemperatur zur Verschweißung der Folienbahn erreicht ist. Ein weiterer Vorteil des Erfindungsgegenstandes liegt in der wesentlich gesteigerten Folienbahngeschwindigkeit, die mit zunehmender Stationszahl immer größer werden kann.
  • Der geringe Temperaturverlust der Folienschweißnaht von Schweißleiste zu Schweißleiste ist dabei unbeachtlich und kann wärmetechnisch gesehen bei der konstruktiven Bemessung der Schweißleisten berücksichtigt werden.
  • Die Erfindung wird an Hand einer schematischen Darstellung in der Zeichnung näher erläutert.
  • Hierbei sind der Gegenzylinder mit 1 und die einzelnen Schweißleisten mit 2 bezeichnet. Die zwischen Gegenzylinder 1 und Schweißleisten 2 durchlaufende Folienbahn ist mit 3 bezeichnet, wobei die Folienbahn 3 durch das Trennmittel 4 in Form eines endlosen Bandes abgedeckt ist.
  • Der Querschneider ist mit 5, der Bandtransport mit 6 und die Stapelablage mit 7 bezeichnet. Die Anzahl der hintereinander angeordneten Schweißleisten 2 kann dabei beliebig sein. Im vorliegenden Fall sind fünf Schweißleisten 2 hintereinander angeordnet, die mit dem Gegenzylinder 1 zusammenarbeiten. Die Schweißstationen mit den Schweißleisten 2 zeigen im vorliegenden Fall einen kleinen und großen Kreis. Hiermit wird der Formatbereich, d. h. der Abstand von Schweißnaht zu Schweißnaht auf der Folienbahn 3 angedeutet. Die Schweißstationen und die Umlaufgeschwindigkeit des Gegenzylinders 1 sind so eingestellt, daß jede Schweißleiste 2 die Folienbahn 3 stets an derselben Berührungsstelle beaufschlagt.

Claims (1)

  1. Patentanspruch Maschine zum Verschweißen thermoplastischer Folien, wobei die endlose Folienbahn, die durch ein Trennmittel in Form eines endlosen Bandes abgedeckt ist, zwischen einem Gegenzylinder und einer Schweißleiste, durchläuft, d adurch gekennzeichnet, daß der Gegenzylinder (1) im Bereich seines Mantelumfanges eine beliebige Anzahl hintereinander angeordneter, um ihre jeweilige Achse rotierender, beheizter Schweißleisten (2) aufweist, wobei der Abstand der einzelnen Schweißleisten (2) voneinander und deren synchroner Antrieb sowie die Umlaufgeschwindigkeit des Gegenzylinders (1) derart gewählt ist, daß die von dem Gegenzylinder (1) mitgenommene Folienbahn (3) mit dem Trennmittel (4) von allen hintereinander angeordneten Schweißleisten (2) stets an derselben Berührungsstelle beaufschlagt ist.
DE19671704041D 1967-07-08 1967-07-08 Maschine zum Verschweissen thermoplastischer Folien Pending DE1704041B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1704041 1967-07-08

Publications (1)

Publication Number Publication Date
DE1704041B1 true DE1704041B1 (de) 1971-07-29

Family

ID=5688663

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19671704041D Pending DE1704041B1 (de) 1967-07-08 1967-07-08 Maschine zum Verschweissen thermoplastischer Folien

Country Status (1)

Country Link
DE (1) DE1704041B1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0541188A1 (de) * 1991-10-09 1993-05-12 Totani Giken Kogyo Co., Ltd. Vorrichtung zum Warmschweissen von zwei übereinanderliegenden Kunststoffolien
WO2000010795A1 (de) * 1998-08-20 2000-03-02 Lts Lohmann Therapie-Systeme Ag Verfahren zur herstellung von heissiegel-verpackungen und ein werkzeug zur durchführung des verfahrens
EP1103367A4 (de) * 1999-03-09 2002-05-08 Zuiko Corp Verfahren und gerät zum heisssiegeln

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1007163B (de) * 1953-10-05 1957-04-25 Milprint Inc Vorrichtung zum Herstellen von Saecken oder Beuteln aus waermebildsamem Folienmaterial

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1007163B (de) * 1953-10-05 1957-04-25 Milprint Inc Vorrichtung zum Herstellen von Saecken oder Beuteln aus waermebildsamem Folienmaterial

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0541188A1 (de) * 1991-10-09 1993-05-12 Totani Giken Kogyo Co., Ltd. Vorrichtung zum Warmschweissen von zwei übereinanderliegenden Kunststoffolien
WO2000010795A1 (de) * 1998-08-20 2000-03-02 Lts Lohmann Therapie-Systeme Ag Verfahren zur herstellung von heissiegel-verpackungen und ein werkzeug zur durchführung des verfahrens
US6797105B1 (en) 1998-08-20 2004-09-28 Lts Lohmann Therapie-Systeme Ag Method for producing heat bonded packages and tool for implementing said method
EP1103367A4 (de) * 1999-03-09 2002-05-08 Zuiko Corp Verfahren und gerät zum heisssiegeln

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