US3598379A - Method of aseptically packaging metal containers - Google Patents

Method of aseptically packaging metal containers Download PDF

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Publication number
US3598379A
US3598379A US852579A US3598379DA US3598379A US 3598379 A US3598379 A US 3598379A US 852579 A US852579 A US 852579A US 3598379D A US3598379D A US 3598379DA US 3598379 A US3598379 A US 3598379A
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US
United States
Prior art keywords
container
filling
product
cans
temperature
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.)
Expired - Lifetime
Application number
US852579A
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English (en)
Inventor
Martin Laupheimer
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.)
Ardagh Metal Beverage Germany GmbH
Original Assignee
Schmalback Lubeca AG
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 Schmalback Lubeca AG filed Critical Schmalback Lubeca AG
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    • 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
    • B65B55/00—Preserving, protecting or purifying packages or package contents in association with packaging
    • B65B55/02—Sterilising, e.g. of complete packages
    • B65B55/04—Sterilising wrappers or receptacles prior to, or during, packaging
    • B65B55/06—Sterilising wrappers or receptacles prior to, or during, packaging by heat
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S53/00—Package making
    • Y10S53/90—Capsules

Definitions

  • Dittmann ABSTRACT A method for forming aseptic cans and includes the step of temporarily sealing the containers at the manufacturing site. The temporarily sealed container is then subjected to heat for sterilizing. The container is subsequently filled with a product at the site of the container user.
  • the present invention relates to a method for aseptic packaging containers having a filling opening, such as beverage cans made from sheet metal.
  • sheet metal cans for packaging beverages either carbon dioxide containing beverages such as beer, or nongaseous beverages, such as fruit juices, is well known and widely used.
  • the cans are supplied to the manufacturer for filling with one end opened.
  • the cans are generally mechanieally cleaned at the filling plant prior to filling so as to remove any dirt which may have accumulated during the transporting. 'lhe cans are then filled by a filling unit. Thereafter, the cans are immediately scaled, pasteurized, and finally cooled.
  • a number of different filling processes may be used. Only the hot filling process and the cold sterile filling process will be described.
  • Such cans which are useful for home use, in taverns, and on business premises, and may have a content of four liters.
  • Such cans are provided with a filler opening located on the lid which is rigidly attached to the can. The container is filled through this opening and a stopper is inserted therein to provide a hermetic seal.
  • This stopper is generally made from an elastomcric material so that it is possible to insert a dispensing unit therethrough.
  • this type of can must also be subjected to the processing which was outlined above for the smaller cans, which-requires that the can be cleaned prior to filling, the filling of the can, the closing, and pasteurization to protect the can content against spoilage, and, thereafter, cooling of the can.
  • the present invention it is proposed to provide a simplified and more economicalniethod for filling cans having a filler opening. It has been discovered that the mechanical cleaning of the container, which requires considerable equipment and time to comply with the requirement of the biological preparation of the cans to obtain a filling under sterile con ditions, and that the pasteurization both can be eliminated by the use of certain means and equipment if the filler opening are hermetically sealed the containers or cans immediately after the mechanical manufacture and subjected to a thermal treatment. This method guarantees a certain and reliable sterilization of the internal space of the cans or containers at the can manufacturers premises.
  • the can interior remains sterile during the subsequent transportation to the filling plant, so that the cans may without any further treatment, such as mechanical cleansing, filled in a sterile manner and thereafter may be closed immediately upon arrival at filling plant.
  • Another advantage of the method of the invention is that no pasteurizing and cooling is required for the removal of bacteria after the can is closed. The operating time required at the filling plant therefore is shortened, and the operations are greatly simplified.
  • This procedure according to the invention has the advantage that the filling temperature may be approximately 20 C., so that the costly cooling zone which had to be used as consequence of the prior short time heating is no longer required. Moreover, a warming of the filled cans or containers is no longer required to prevent the condensation of water as occurred heretofore.
  • An additional characteristic of the invention is that the sterility'is at its maximum and is assured for all of the cans if the heat treatment, which is in full accord with experiences derived from the beverage biology, is undertaken within a range of temperature between about 80 and 120C.
  • the filling opening is initially only closed temporarily, but at the same forming a hermetic seal. This permits the filling plant to open the cans rapidly without considerable effort prior to filling thereof with the beverage.
  • the can manufacture also eliminates another operation and expense according to another characteristic of the invention by performing the thermal treatment of mechanically manufactured containers when they are finished inside one of the drying stoves which are generally used.
  • FIG. 1 is a schematical illustration of method the individual steps wherein a can with a filler opening is manufactured
  • FIG. 2 is a schematical illustration of the method steps used in accordance with the present invention.
  • each one of the diagrams has been divided by a dotted line into two regions.
  • a At the left side of the line a, there is illustrated the manufacture of a can or container in which the liquid product is packaged.
  • the can In the example shown, the can is equipped with a filling hole.
  • the can with a filling hole which has been can manufactured completely in the region I is still opened or devoid of an insert is translcrcd to the filling equipment located on the right of the dotted line a.
  • the can at station I is subjected to a mechanical cleaning which in the drawing is an inverted operation and prepares the can for filling.
  • the filling itself is performed and depending upon the kind of container and type of product filled, may be performed in accordance with any one of the methods known in prior art.
  • the filling hole is closed or sealed by a stopper b.
  • the product is pasteurized in the sealed container at 4, at a temperature of about 60 C. Thereafter, the can at station 5 is cooled to a temperature'about 30 C.
  • the containers are dried and at station '7, the treated containers are collected into multiple packs and packaged in cardboard containers or similar units.
  • FIG. 2 The procedure according to the present invention is illustrated in FIG. 2. It is readily apparent the filling steps or stations which are on the right side of the line a result in a lesser number of treatment steps in order to get the same ultimate results.
  • the sealed can is again returned in the direction of the arrow d to the manufacturing station where it must pass in the region e into a lacquer drying stove inside which the can is subjected to a thermal treatment.
  • This thermal treatment occurs at a temperature between and I20 C.
  • the can is in a bacteria free state as a result the last thermal treatment.
  • This bacteria free can is then shipped to the filling plant where, at station l3, after the removal of the temporary closure 0, the can is filled under sterile conditions with the product at a filling temperature of approximately 20 C, and immediately thereafter, at station 14 the can is closed by the stopper b. After insertion of the stopper b, the interior of the can is aseptic and sterile so that it is not necessary to further pasteurize and perform the cooling and drying as required in the method illustrated in FIG. 1. It is only necessary to collect the can at station 15, which serves similar to station 7 of FIG.
  • the process according to the invention is not restricted exclusively to beverages of the type mentioned in the preamble, on the contrary, it may be exploited in packaging and canning products into cans which have a filler hole, wherein products shall remain sterile so that they will not spoil.
  • the type of temporary closure is not limited to the platelike shape of the closure 0, but other suitable, temporary closures may be used which are of a proper shape and which will satisfy the requirements of the process, especially, the capacity of withstanding a thermal treatment.
  • the process is not restricted to a special shape size or material of packaging container as long as the material from which it is made resists the high temperature used during the process.
  • the method of providing an aseptic container comprising the steps of fabricating a container including a body having a product filling opening, sealing'said product filling opening with a removable seal prior to filling said container, heating said sealed container to a temperature for rendering the interior of the container aseptic prior to transfer for filling with a product.
  • the method as defined in claim 4 including the steps of transferring said container to a filling station, after heating said container, removing said removable seal from said filling opening, filling said container with a product, and reclosing said filling opening with a plug.
  • the method of providing an aseptic container comprising fabricating from a metal container having a product filling opening, hermetically sealing said product filling opening with a removable seal prior to filling said container, heating said sealed container to a temperature for rendering the interior of the container aseptic prior to being filled with a product.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
  • Basic Packing Technique (AREA)
US852579A 1968-09-06 1969-08-25 Method of aseptically packaging metal containers Expired - Lifetime US3598379A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681792481 DE1792481A1 (de) 1968-09-06 1968-09-06 Verfahren zum Herstellen keimfreier bzw. steriler Verpackungsbehaelter aus Blech

Publications (1)

Publication Number Publication Date
US3598379A true US3598379A (en) 1971-08-10

Family

ID=5707433

Family Applications (1)

Application Number Title Priority Date Filing Date
US852579A Expired - Lifetime US3598379A (en) 1968-09-06 1969-08-25 Method of aseptically packaging metal containers

Country Status (4)

Country Link
US (1) US3598379A (de)
DE (1) DE1792481A1 (de)
DK (1) DK122801B (de)
SE (1) SE354011B (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4240242A (en) * 1979-06-18 1980-12-23 Grey Charles M Sterile capping method for a plurality of I.V. bottles
US4467588A (en) * 1982-04-06 1984-08-28 Baxter Travenol Laboratories, Inc. Separated packaging and sterile processing for liquid-powder mixing
US4581874A (en) * 1983-07-14 1986-04-15 Franrica Mfg. Inc. Apparatus and methods for filling and sealing an aseptic fitmentless pouch
US20150052852A1 (en) * 2012-04-17 2015-02-26 Krones Ag Method and device for can manufacture and canning
US20160090205A1 (en) * 2005-01-25 2016-03-31 Medlnstill Development LLC Sterilizing Apparatus and Related Method

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI895421A0 (fi) * 1989-07-10 1989-11-14 Yhtyneet Paperitehtaat Oy Foerfarande foer utformande av foerpackning.

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US953143A (en) * 1909-05-18 1910-03-29 Frank J Hetchler Can-soldering machine.
US1622494A (en) * 1925-11-02 1927-03-29 Cranston Louie Collier Container for transporting hot food
US2963389A (en) * 1959-03-24 1960-12-06 Borden Co Flame sterilization

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US953143A (en) * 1909-05-18 1910-03-29 Frank J Hetchler Can-soldering machine.
US1622494A (en) * 1925-11-02 1927-03-29 Cranston Louie Collier Container for transporting hot food
US2963389A (en) * 1959-03-24 1960-12-06 Borden Co Flame sterilization

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4240242A (en) * 1979-06-18 1980-12-23 Grey Charles M Sterile capping method for a plurality of I.V. bottles
US4467588A (en) * 1982-04-06 1984-08-28 Baxter Travenol Laboratories, Inc. Separated packaging and sterile processing for liquid-powder mixing
US4581874A (en) * 1983-07-14 1986-04-15 Franrica Mfg. Inc. Apparatus and methods for filling and sealing an aseptic fitmentless pouch
US20160090205A1 (en) * 2005-01-25 2016-03-31 Medlnstill Development LLC Sterilizing Apparatus and Related Method
US10086963B2 (en) * 2005-01-25 2018-10-02 Medinstill Development Llc Sterilizing apparatus and related method
US20150052852A1 (en) * 2012-04-17 2015-02-26 Krones Ag Method and device for can manufacture and canning

Also Published As

Publication number Publication date
SE354011B (de) 1973-02-26
DK122801B (da) 1972-04-17
DE1792481A1 (de) 1971-11-18

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