EP0912399B1 - Verfahren und vorrichtung zum sterilisieren einer verpackungsmaterialbahn - Google Patents

Verfahren und vorrichtung zum sterilisieren einer verpackungsmaterialbahn Download PDF

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Publication number
EP0912399B1
EP0912399B1 EP97930345A EP97930345A EP0912399B1 EP 0912399 B1 EP0912399 B1 EP 0912399B1 EP 97930345 A EP97930345 A EP 97930345A EP 97930345 A EP97930345 A EP 97930345A EP 0912399 B1 EP0912399 B1 EP 0912399B1
Authority
EP
European Patent Office
Prior art keywords
packaging material
web
saturated steam
process according
material web
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.)
Revoked
Application number
EP97930345A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0912399A1 (de
Inventor
Kuno Lemke
Bernd Wilke
Helmut Weber
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7798768&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0912399(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP0912399A1 publication Critical patent/EP0912399A1/de
Application granted granted Critical
Publication of EP0912399B1 publication Critical patent/EP0912399B1/de
Anticipated expiration legal-status Critical
Revoked 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
    • 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
    • B65B55/10—Sterilising wrappers or receptacles prior to, or during, packaging by liquids or gases
    • B65B55/103—Sterilising flat or tubular webs

Definitions

  • the invention relates to a method for sterilizing a web of packaging material, as has become known, for example, from DE 42 09 838 A1.
  • a packaging material web is first exposed to a water jet hitting the packaging material web at high pressure, and then exposed to UV light.
  • dust particles or accumulations of microorganisms adhering to the packaging material web can be removed or destroyed to a high degree.
  • germs of the Aspergillus niger type are resistant to the known sterilization process.
  • the method according to the invention for sterilizing a Packaging material web with the characteristic features of claim 1 has the advantage that, surprisingly not only adhering to the packaging material web Grains of dust and accumulations of microorganisms, but in particular also germs of the type Aspergillus niger without the Use of chemical sterilizing agents removed or killed can be.
  • a working according to the inventive method Device has the advantage that by using the only under a relatively low pressure of saturated steam no expensive pressure vessel for the sterilizing agent is required. This builds the invention Device particularly simple.
  • squeegees instead of pneumatic squeegees has the advantage that in addition to drying the Packaging material web at the same time removing the washed germs is achieved. Furthermore, the operation of Squeegees do not require sterile air. However, it is also conceivable a combination of suction and compressed air doctor blades too use.
  • the temperature of the sterile air nozzle pair Lower the web of packaging material so that even UV radiation equipment with a relatively high performance and thus high heat radiation without the risk of Damage to the packaging material web can be used can.
  • FIG. 1 shows a simplified Longitudinal section through a device for sterilizing a Packaging material web.
  • the device 11 arranged in a sterile room 10 for Sterilize an existing plastic Packaging material web 12, such as for Shaping or closing packaging containers used has a continuously driven pair of feed rollers 13, 14 for pulling the packaging material web 12 from a supply roll 16 located outside the sterile room 10.
  • Viewed in the conveying direction of the packaging material web 12 close two vertically in the sterile room 10 one after the other arranged one above the other, preferably as wide slot nozzles trained doctor pairs 17, 18 and 19, 20 for saturated steam, whose steam jets the top 1 or the bottom 2 Cover the packaging material web 12 completely.
  • a pair of compressed air or Squeegees 22, 23 on There is also for redirecting Packing material web 12 from its vertical Direction of conveyance in a horizontal direction of conveyance in Sterile room 10 is a deflection roller 24.
  • the deflection roller 24 a UV irradiation device 25 connected downstream from there is an upper part 26 and a lower part 27.
  • the blowing direction of the opposite Direction of conveyance of the packaging material web 12 is directed. Furthermore, the blowing direction of the pair of compressed air nozzles 28 29 into the respective column 31, 32 between the top 1 the packaging material web 12 and the upper part 26, or the Bottom 2 of the packaging material web 12 and the Lower part 27.
  • saturated steam with a pressure of approximately 2 to 5 bar (corresponds to a temperature of approximately 120 to 160 degrees Celsius) was used.
  • the UV irradiation device 25 had an output of approximately 500 milliwatt seconds / cm 2 , and the irradiation time for the packaging material web 12 was in the range from 1 to 10 seconds.
  • kill rates greater than 6 orders of magnitude could be achieved.
  • the device 11 described above can be advantageous Modified by the range of Steam cleaning, in particular the area of Squeegee pairs 17, 18 and 19, 20 largely completed is formed so that no steam plumes in the area the UV irradiation device 25.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)
EP97930345A 1996-07-03 1997-06-19 Verfahren und vorrichtung zum sterilisieren einer verpackungsmaterialbahn Revoked EP0912399B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19626705 1996-07-03
DE19626705A DE19626705A1 (de) 1996-07-03 1996-07-03 Verfahren und Vorrichtung zum Sterilisieren einer Verpackungsmaterialbahn
PCT/DE1997/001257 WO1998001343A1 (de) 1996-07-03 1997-06-19 Verfahren und vorrichtung zum sterilisieren einer verpackungsmaterialbahn

Publications (2)

Publication Number Publication Date
EP0912399A1 EP0912399A1 (de) 1999-05-06
EP0912399B1 true EP0912399B1 (de) 2000-05-03

Family

ID=7798768

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97930345A Revoked EP0912399B1 (de) 1996-07-03 1997-06-19 Verfahren und vorrichtung zum sterilisieren einer verpackungsmaterialbahn

Country Status (5)

Country Link
EP (1) EP0912399B1 (es)
JP (1) JP2000513682A (es)
DE (2) DE19626705A1 (es)
ES (1) ES2147008T3 (es)
WO (1) WO1998001343A1 (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5966657A (en) * 1997-07-24 1999-10-12 Telefonaktiebolaget L M Ericsson (Publ) Method and system for radio frequency measurement and automatic frequency planning in a cellular radio system
DE19854804A1 (de) * 1998-11-27 2000-05-31 Hassia Verpackung Ag Verfahren und Vorrichtung zur Keimreduzierung und Reinigung von Packstoffbahnen für die Herstellung von Verpackungen
ITBO20020484A1 (it) 2002-07-25 2004-01-26 Azionaria Costruzioni Acma Spa Impianto e metodo per la realizzazione di contenitori , in particolare per la conservazione di sostanze alimentari
DE102007003334A1 (de) 2007-01-17 2008-08-07 Khs Ag Verfahren und Vorrichtung zur kontinuierlichen Sterilisierung von Beutelverpackungen
DE102007015754B3 (de) 2007-03-30 2008-05-29 Khs Ag Anlage sowie Verfahren zum sterilen Verpacken von Produkten
JP6361114B2 (ja) * 2013-11-13 2018-07-25 大日本印刷株式会社 包装用フィルム殺菌装置
DE102017121669A1 (de) 2017-09-19 2018-09-13 Hassia-Redatron Gmbh Verpackungsmaschine
IT202200010361A1 (it) * 2022-05-19 2023-11-19 Ipi Srl Apparato per asciugare un foglio di materiale di confezionamento

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1539775A (fr) * 1967-07-07 1968-09-20 S E R E S Soc D Etudes Et De R Dispositif pour le nettoyage de films de matière plastique pénétrant dans une enceinte stérile
DE3029685A1 (de) * 1980-08-06 1982-03-18 Robert Bosch Gmbh, 7000 Stuttgart Verfahren und vorrichtung zum sterilisieren von behaeltern
SE9003543L (sv) * 1990-11-07 1991-09-23 Tetra Pak Holdings Sa Saett att sterilisera ett foerpackningsmaterial medelst ett vaetskeformigt steriliseringsmedel

Also Published As

Publication number Publication date
EP0912399A1 (de) 1999-05-06
JP2000513682A (ja) 2000-10-17
WO1998001343A1 (de) 1998-01-15
DE59701596D1 (de) 2000-06-08
DE19626705A1 (de) 1998-01-08
ES2147008T3 (es) 2000-08-16

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