GB1030814A - Method of freeze-drying materials - Google Patents

Method of freeze-drying materials

Info

Publication number
GB1030814A
GB1030814A GB13959/64A GB1395964A GB1030814A GB 1030814 A GB1030814 A GB 1030814A GB 13959/64 A GB13959/64 A GB 13959/64A GB 1395964 A GB1395964 A GB 1395964A GB 1030814 A GB1030814 A GB 1030814A
Authority
GB
United Kingdom
Prior art keywords
sheets
pockets
sealing
chamber
drying
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
Application number
GB13959/64A
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.)
Leybold Hochvakuum Anlagen GmbH
Original Assignee
Leybold Hochvakuum Anlagen 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
Application filed by Leybold Hochvakuum Anlagen GmbH filed Critical Leybold Hochvakuum Anlagen GmbH
Publication of GB1030814A publication Critical patent/GB1030814A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B5/00—Drying solid materials or objects by processes not involving the application of heat
    • F26B5/04—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum
    • F26B5/06—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum the process involving freezing
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
    • A23B7/00—Preservation or chemical ripening of fruit or vegetables
    • A23B7/02—Dehydrating; Subsequent reconstitution
    • A23B7/024—Freeze-drying, i.e. cryodessication or lyophilisation
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L2/00—Non-alcoholic beverages; Dry compositions or concentrates therefor; Their preparation
    • A23L2/02—Non-alcoholic beverages; Dry compositions or concentrates therefor; Their preparation containing fruit or vegetable juices
    • A23L2/08—Concentrating or drying of juices
    • A23L2/12—Concentrating or drying of juices by freezing
    • A23L2/14—Concentrating or drying of juices by freezing and sublimation
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
    • A23L3/40—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by drying or kilning; Subsequent reconstitution
    • A23L3/44—Freeze-drying

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Food Science & Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Nutrition Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Molecular Biology (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

1,030,814. Packaging. LEYBOLD HOCHVAKUUM-ANLAGEN G.m.b.H. April 3, 1964 [April 6, 1963], No. 13959/64. Heading B8C. [Also in Divisions A2 and F4] A method of freeze drying footstuffs or other material comprises passing the material in pockets provided on sheets made of foil material (e.g. aluminium) through a vacuum drying chamber and sealing the pockets after the material has been dried but before leaving the drying plant. As shown, material in pockets 5 in sheets 2 is passed between heating plates 7 from entry gas lock 9 through drying chamber 95 and outlet gas lock 91 and into sealing chamber 92. The drying chamber 95 may be separated from locks 9 and 91 by sliding partitions 8 and 81 respectively. When outlet lock 91 is fully charged with sheets 2, it is sealed from drying chamber 95. The sealing chamber 92 is reduced to atmospheric pressure by flushing with nitrogen and the pocketed sheets are closed by sealing thereon sheets 94 by sealing press 921. The closed pockets are stored in chamber 93 which also stores sheets 94. The sheets 2 may be perforated and conveyed through the plant by driving rollers, pinions or racks. In Fig. 5 (not shown), foil 23 is provided with pockets 5 having sealing flaps 941. The foils 23 are suspended from a conveyer and passed between vertical heating plates 7. The sheets may be provided with perforations to allow the sealed pockets to be easily separated.
GB13959/64A 1963-04-06 1964-04-03 Method of freeze-drying materials Expired GB1030814A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEL44579A DE1198294B (en) 1963-04-06 1963-04-06 Continuously working freeze-drying chamber for goods in trays that will later serve as packaging

Publications (1)

Publication Number Publication Date
GB1030814A true GB1030814A (en) 1966-05-25

Family

ID=7270750

Family Applications (1)

Application Number Title Priority Date Filing Date
GB13959/64A Expired GB1030814A (en) 1963-04-06 1964-04-03 Method of freeze-drying materials

Country Status (4)

Country Link
US (1) US3354609A (en)
DE (1) DE1198294B (en)
GB (1) GB1030814A (en)
NL (1) NL6401896A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1199285A (en) * 1966-12-07 1970-07-22 H J Heinz Company Ltd Improvements in or Relating to Freeze Drying Apparatus
DK137287B (en) * 1970-08-25 1978-02-13 Atlas As Freeze dryer.
US3728798A (en) * 1970-08-25 1973-04-24 G Wehrmann Bulk freeze-drying apparatus
US3708886A (en) * 1970-11-09 1973-01-09 Lyoflo Stopper Corp Lyoflo-stopper
FR2508993A1 (en) * 1981-07-01 1983-01-07 Usifroid DOUBLE SERIES DISPLACEMENT LYOPHILIZATION SYSTEM
CH660228A5 (en) * 1982-08-23 1987-03-31 Zschokke Wartmann Ag METHOD AND DRYING SYSTEM FOR DRYING A SUBSTANCE IN BATCH OPERATION.
DE19748472A1 (en) * 1997-11-03 1999-05-06 Suwelack Nachf Dr Otto Device for freeze-drying collagen from animal raw materials and other biomatrices which have been obtained from polysaccharides and method for producing these products
US7347004B1 (en) 2005-01-13 2008-03-25 Lyophilization Services Of New England, Inc. Freeze drying apparatus and method
DE202007019004U1 (en) * 2007-06-28 2010-04-29 Tillman's Fleisch & Convenience Gmbh Frozen mold meat
CN108208528A (en) * 2017-12-15 2018-06-29 安徽恋尚你食品有限公司 A kind of food processing freeze-drier and application method

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB311247A (en) * 1927-06-18 1929-08-07 General Foods Company
GB292457A (en) * 1927-06-18 1929-07-08 General Foods Company
US2138241A (en) * 1935-08-09 1938-11-29 Koch Herman Sealed package
US2508107A (en) * 1940-02-08 1950-05-16 Tabor Olney Corp Desiccation
US2517569A (en) * 1945-11-23 1950-08-08 Huzenlaub Erich Gustav Process of extracting and preserving the original flavors and food value of fruit juices
FR1165503A (en) * 1955-11-16 1958-10-27 Improvements to a method and apparatus for vacuum dehydration of animal or vegetable matter
FR1172697A (en) * 1956-02-25 1959-02-13 Rosary packaging
US3088222A (en) * 1959-07-01 1963-05-07 Robert C Mace Freeze drying system
DE1178788B (en) * 1959-10-07 1964-09-24 Leybold Hochvakuum Anlagen Tubular vacuum freeze-drying system composed of sub-chambers
FR1261048A (en) * 1960-06-24 1961-05-12 Leybold Hochvakuum Anlagen Method of operating a working circuit in rhythm for continuous drying by freezing and device for carrying out this process
DE1135830B (en) * 1961-01-19 1962-08-30 Leybold Hochvakuum Anlagen Method for regulating continuous freeze drying
US3233333A (en) * 1962-06-01 1966-02-08 Oppenheimer Franz Method of freeze drying food products

Also Published As

Publication number Publication date
DE1198294B (en) 1965-08-05
US3354609A (en) 1967-11-28
NL6401896A (en) 1964-10-07

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