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CA2611432A1 - Method for heat treatment of a product contained in a pack such as a tray - Google Patents

Method for heat treatment of a product contained in a pack such as a tray Download PDF

Info

Publication number
CA2611432A1
CA2611432A1 CA002611432A CA2611432A CA2611432A1 CA 2611432 A1 CA2611432 A1 CA 2611432A1 CA 002611432 A CA002611432 A CA 002611432A CA 2611432 A CA2611432 A CA 2611432A CA 2611432 A1 CA2611432 A1 CA 2611432A1
Authority
CA
Canada
Prior art keywords
pack
temperature
gaseous fluid
volume
vapour
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
CA002611432A
Other languages
French (fr)
Other versions
CA2611432C (en
Inventor
Mostafa El Haba
Alain Germain
Patrick Mahe
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.)
MES Technologies SAS
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2611432A1 publication Critical patent/CA2611432A1/en
Application granted granted Critical
Publication of CA2611432C publication Critical patent/CA2611432C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B65B29/00—Packaging of materials presenting special problems
    • B65B29/08—Packaging of edible materials intended to be cooked in the package
    • 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
    • B65B25/00—Packaging other articles presenting special problems
    • B65B25/001—Packaging other articles presenting special problems of foodstuffs, combined with their conservation
    • 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
    • B65B31/00—Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers
    • B65B31/04—Evacuating, pressurising or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied
    • B65B31/043—Evacuating, pressurising or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied the nozzles acting horizontally between an upper and a lower part of the container or wrapper, e.g. between container and lid
    • 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
    • B65B55/12—Sterilising contents prior to, or during, packaging
    • B65B55/19—Sterilising contents prior to, or during, packaging by adding materials intended to remove free oxygen or to develop inhibitor gases, e.g. vapour phase inhibitors

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Packages (AREA)
  • Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Package Specialized In Special Use (AREA)

Abstract

Disclosed is a tray including at least one deformable wall. The product contained in the tray is heated, the vapour produced by the heating being allowed to escape through an opening in the pack. The product is heated, being taken to a desired temperature, a temperature-holding stage is carried out, the vapour being allowed to escape, a gaseous fluid is introduced into the pack at the end of this temperature-holding stage and the pack is closed totally.

Claims (13)

1. Method for heat treatment of a product, in particular a food product, contained in a pack having at least one deformable wall, wherein the product contained in the pack is heated so as to be taken to a desired temperature, a temperature-holding stage is carried out, vapour produced by the heating is allowed to escape through an opening in the pack during heating and temperature holding, a gaseous fluid is introduced into the pack at the end of said temperature-holding stage and the pack is totally closed.
2. A method according to claim 1, wherein the gaseous fluid introduced is at a temperature at least close to a temperature of the pack vapour during the temperature stage.
3. A method according to claim 2, wherein the temperature of the gaseous fluid introduced is between 80% and 130%, preferably between 90% and 110%, of the vapour temperature during the temperature-holding stage.
4. A method according to claim 1, wherein a volume of gaseous fluid is introduced, corresponding at least approximately to a volume of vapour which escapes from the pack during heating and temperature holding.
5. A method according to claim 4, wherein the volume of gaseous fluid introduced is determined in such a way that this volume is substantially equal to the said volume of vapour, preferably slightly lower than this volume, when the said volumes are adjusted to the same temperature.
6. A method according to claim 1, wherein the gaseous fluid is introduced into the pack, causing deformation of the said deformable wall and the pack is closed when it is found that the said deformation has reached a given level.
7. A method according to claim 1, wherein the gaseous fluid is introduced into the pack for a predetermined length of time, at the end of which the pack is closed.
8. A method according to claim 1, wherein the gaseous fluid is a neutral gas.
9. A method according to claim 1, wherein the gaseous fluid is air, advantageously filtered.
10. A method according to claim 1, wherein the gaseous fluid is introduced through the said opening in the pack.
11. A method according to claim 1, wherein the opening is formed by at least one interruption in a sealing strip between two walls of the pack and, at the end of the stage of introducing the gaseous fluid into the pack, the latter is closed by completion of this welding strip.
12. A method according to claim 1, wherein the opening is formed by at least one hole in a pack wall and, at the end of the stage of introducing the gaseous fluid into the pack, this hole is closed by means of a cap.
13. A method according to claim 1, wherein the pack is a tray made of plastic, the top wall of which is formed by a film sealed at the tray edge.
CA2611432A 2005-04-13 2006-04-12 Method for heat treatment of a product contained in a pack such as a tray Expired - Fee Related CA2611432C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0503688A FR2884493B1 (en) 2005-04-13 2005-04-13 METHOD FOR THERMALLY PROCESSING A PRODUCT CONTAINED IN A PACKAGING SUCH AS A TRAY
FR0503688 2005-04-13
PCT/FR2006/050340 WO2006109000A1 (en) 2005-04-13 2006-04-12 Method for heat treating a product contained in a package such as a tray

Publications (2)

Publication Number Publication Date
CA2611432A1 true CA2611432A1 (en) 2006-10-19
CA2611432C CA2611432C (en) 2011-07-26

Family

ID=35445845

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2611432A Expired - Fee Related CA2611432C (en) 2005-04-13 2006-04-12 Method for heat treatment of a product contained in a pack such as a tray

Country Status (8)

Country Link
US (1) US20100062126A1 (en)
EP (1) EP1874632B1 (en)
AT (1) ATE421460T1 (en)
CA (1) CA2611432C (en)
DE (1) DE602006004983D1 (en)
ES (1) ES2321556T3 (en)
FR (1) FR2884493B1 (en)
WO (1) WO2006109000A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2916185B1 (en) * 2007-05-14 2012-01-13 Mecaplastic PROCESS FOR THERMALLY PROCESSING VACUUM PRODUCTS AND PACKAGING OBTAINED BY CARRYING OUT SAID METHOD
IT201800005266A1 (en) * 2018-05-11 2019-11-11 METHOD TO CARRY OUT THE PASTEURIZATION TREATMENT OF FOOD PRODUCTS AND PLANT SUITABLE TO PERFORM THIS TREATMENT
CH716621A1 (en) * 2019-09-20 2021-03-31 Gigatherm Mikrowellen Ag Process for preserving food in transport and sales packaging.

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4667454A (en) * 1982-01-05 1987-05-26 American Can Company Method of obtaining acceptable configuration of a plastic container after thermal food sterilization process
US4590078A (en) * 1983-06-09 1986-05-20 Umina Anthony P Process and apparatus for preparing canned baked products
CH665605A5 (en) * 1986-01-28 1988-05-31 Christophe Aubert METHOD FOR PACKAGING, WITH PASTEURIZATION, PERISHABLE FOOD PRODUCTS.
DE3840104C1 (en) * 1988-11-15 1990-05-31 Klaus H. 1000 Berlin De Gleitz
US5234126A (en) * 1991-01-04 1993-08-10 Abbott Laboratories Plastic container
GB2252712B (en) * 1991-02-13 1994-04-27 United Biscuits Ltd Improvements in and relating to preserving food products
US5283033A (en) * 1991-11-29 1994-02-01 Advanced Retort Systems, Inc. Process for sterilizing the contents of a sealed deformable package
US5307985A (en) * 1991-12-17 1994-05-03 Societe De Constructions De Materiel Metallique Et Electrique Container and process for its manufacture
FR2698082B1 (en) * 1992-11-13 1994-12-23 Mat Metallique Elec Const Gas tight container.
US5457939A (en) * 1993-09-01 1995-10-17 Optimal Food Processing Research, Inc. Process for vacuum-packaging foodstuffs in rigid containers
FR2729366B3 (en) * 1995-01-12 1997-03-21 Carre Bleu Sa PROCESS FOR SEALING A TRAY FOR FOOD PREPARATIONS AND CLOSED TRAY OBTAINED BY THE PROCESS
SE9802212L (en) * 1998-06-23 1999-09-20 Joel Haamer Method and apparatus for boiling and vacuum packing of microwaves with microwaves
FR2813583B1 (en) * 2000-09-01 2003-07-18 Microondes Syst Sa CONTAINER FOR HOMOGENEOUS HEATING OF ITS CONTENTS BY MICROWAVE

Also Published As

Publication number Publication date
US20100062126A1 (en) 2010-03-11
WO2006109000A1 (en) 2006-10-19
FR2884493A1 (en) 2006-10-20
ATE421460T1 (en) 2009-02-15
FR2884493B1 (en) 2007-08-24
EP1874632B1 (en) 2009-01-21
CA2611432C (en) 2011-07-26
EP1874632A1 (en) 2008-01-09
DE602006004983D1 (en) 2009-03-12
ES2321556T3 (en) 2009-06-08

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20130412