EP0271981A3 - Microwave container and method of using same - Google Patents

Microwave container and method of using same Download PDF

Info

Publication number
EP0271981A3
EP0271981A3 EP87309398A EP87309398A EP0271981A3 EP 0271981 A3 EP0271981 A3 EP 0271981A3 EP 87309398 A EP87309398 A EP 87309398A EP 87309398 A EP87309398 A EP 87309398A EP 0271981 A3 EP0271981 A3 EP 0271981A3
Authority
EP
European Patent Office
Prior art keywords
same
microwave container
microwave
container
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
EP87309398A
Other versions
EP0271981B1 (en
EP0271981A2 (en
Inventor
Richard Mackay Keefer
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.)
Rio Tinto Alcan International Ltd
Original Assignee
Alcan International Ltd Canada
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
Priority claimed from CA000508812A external-priority patent/CA1279902C/en
Priority claimed from US06/943,563 external-priority patent/US4888459A/en
Application filed by Alcan International Ltd Canada filed Critical Alcan International Ltd Canada
Priority to AT87309398T priority Critical patent/ATE75688T1/en
Publication of EP0271981A2 publication Critical patent/EP0271981A2/en
Publication of EP0271981A3 publication Critical patent/EP0271981A3/en
Application granted granted Critical
Publication of EP0271981B1 publication Critical patent/EP0271981B1/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/34—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging foodstuffs or other articles intended to be cooked or heated within the package
    • B65D81/3446—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging foodstuffs or other articles intended to be cooked or heated within the package specially adapted to be heated by microwaves
    • B65D81/3453—Rigid containers, e.g. trays, bottles, boxes, cups
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2581/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D2581/34—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging foodstuffs or other articles intended to be cooked or heated within
    • B65D2581/3437—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging foodstuffs or other articles intended to be cooked or heated within specially adapted to be heated by microwaves
    • B65D2581/3439—Means for affecting the heating or cooking properties
    • B65D2581/344—Geometry or shape factors influencing the microwave heating properties
    • B65D2581/3441—3-D geometry or shape factors, e.g. depth-wise
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2581/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D2581/34—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging foodstuffs or other articles intended to be cooked or heated within
    • B65D2581/3437—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging foodstuffs or other articles intended to be cooked or heated within specially adapted to be heated by microwaves
    • B65D2581/3471—Microwave reactive substances present in the packaging material
    • B65D2581/3472—Aluminium or compounds thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2581/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D2581/34—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging foodstuffs or other articles intended to be cooked or heated within
    • B65D2581/3437—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging foodstuffs or other articles intended to be cooked or heated within specially adapted to be heated by microwaves
    • B65D2581/3486—Dielectric characteristics of microwave reactive packaging
    • B65D2581/3487—Reflection, Absorption and Transmission [RAT] properties of the microwave reactive package
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2581/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D2581/34—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging foodstuffs or other articles intended to be cooked or heated within
    • B65D2581/3437—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging foodstuffs or other articles intended to be cooked or heated within specially adapted to be heated by microwaves
    • B65D2581/3486—Dielectric characteristics of microwave reactive packaging
    • B65D2581/3489—Microwave reflector, i.e. microwave shield

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Food Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Cookers (AREA)
  • Constitution Of High-Frequency Heating (AREA)
  • Electric Ovens (AREA)
  • Package Specialized In Special Use (AREA)
EP19870309398 1986-05-09 1987-10-23 Microwave container Expired EP0271981B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87309398T ATE75688T1 (en) 1986-05-09 1987-10-23 MICROWAVE CONTAINER.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CA000508812A CA1279902C (en) 1986-05-09 1986-05-09 Microwave container including higher order mode generation
US06/943,563 US4888459A (en) 1986-12-18 1986-12-18 Microwave container with dielectric structure of varying properties and method of using same
CA508812 1986-12-18
US943563 1986-12-18

Publications (3)

Publication Number Publication Date
EP0271981A2 EP0271981A2 (en) 1988-06-22
EP0271981A3 true EP0271981A3 (en) 1988-11-30
EP0271981B1 EP0271981B1 (en) 1992-05-06

Family

ID=25670995

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19870309398 Expired EP0271981B1 (en) 1986-05-09 1987-10-23 Microwave container

Country Status (9)

Country Link
EP (1) EP0271981B1 (en)
JP (1) JPH0825584B2 (en)
AU (1) AU597742B2 (en)
BR (1) BR8705880A (en)
DE (1) DE3778853D1 (en)
DK (2) DK231487A (en)
ES (1) ES2031910T3 (en)
MX (1) MX161944A (en)
NZ (1) NZ222374A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4992638A (en) * 1988-06-22 1991-02-12 Alcan International Limited Microwave heating device with microwave distribution modifying means
CA1306509C (en) * 1988-06-22 1992-08-18 Bryan C. Hewitt Microwave heating
JP2790184B2 (en) * 1989-01-27 1998-08-27 ゴールデン バレー マイクロウエーブ フーズ インコーポレーテツド Microwave cooking package
CA1339540C (en) * 1989-02-09 1997-11-11 Richard M. Keefer Methods and devices used in the microwave heating of foods and other materials
US5424517A (en) * 1993-10-27 1995-06-13 James River Paper Company, Inc. Microwave impedance matching film for microwave cooking
FR2745398B1 (en) * 1996-02-28 1998-05-07 Sundstrand Corp DEVICE FOR LOCKING THE ANGULAR POSITION OF A MANEUVER BUTTON
FR2813583B1 (en) * 2000-09-01 2003-07-18 Microondes Syst Sa CONTAINER FOR HOMOGENEOUS HEATING OF ITS CONTENTS BY MICROWAVE
CA2575996C (en) 2004-08-06 2013-10-22 Pactiv Corporation Microwaveable laminate container

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4230924A (en) * 1978-10-12 1980-10-28 General Mills, Inc. Method and material for prepackaging food to achieve microwave browning
GB1593523A (en) * 1978-05-25 1981-07-15 Metal Box Co Ltd Food containers
EP0161739A2 (en) * 1984-02-15 1985-11-21 Alcan International Limited Microwave heating package
EP0206811A2 (en) * 1985-06-25 1986-12-30 Alcan International Limited Microwave container

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS513419A (en) * 1974-06-29 1976-01-12 Kenzo Nakamura ATSURYOKUHAIKANROHASONJIJIDOHEISHIBEN
US4416906A (en) * 1979-04-27 1983-11-22 Golden Valley Foods Inc. Microwave food heating container
JPS573668U (en) * 1980-06-09 1982-01-09
US4656325A (en) * 1984-02-15 1987-04-07 Keefer Richard M Microwave heating package and method
JPS613264U (en) * 1984-06-11 1986-01-10 尾池工業株式会社 Microwave packaging
JPS62252831A (en) * 1986-04-25 1987-11-04 Naoya Ichiko Food heating control method for high frequency heating apparatus and food package material used for said method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1593523A (en) * 1978-05-25 1981-07-15 Metal Box Co Ltd Food containers
US4230924A (en) * 1978-10-12 1980-10-28 General Mills, Inc. Method and material for prepackaging food to achieve microwave browning
EP0161739A2 (en) * 1984-02-15 1985-11-21 Alcan International Limited Microwave heating package
EP0206811A2 (en) * 1985-06-25 1986-12-30 Alcan International Limited Microwave container

Also Published As

Publication number Publication date
JPH0825584B2 (en) 1996-03-13
ES2031910T3 (en) 1993-01-01
MX161944A (en) 1991-03-08
AU8051187A (en) 1988-06-23
EP0271981B1 (en) 1992-05-06
EP0271981A2 (en) 1988-06-22
DK563287D0 (en) 1987-10-27
DK563287A (en) 1988-06-19
DE3778853D1 (en) 1992-06-11
DK231487D0 (en) 1987-05-06
AU597742B2 (en) 1990-06-07
BR8705880A (en) 1988-07-05
NZ222374A (en) 1990-02-26
DK231487A (en) 1987-11-10
JPS63178971A (en) 1988-07-23

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