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EP0363194A2 - Dispositif pour le contrôle de l'humidité relative dans un récipient substantiellement fermé - Google Patents

Dispositif pour le contrôle de l'humidité relative dans un récipient substantiellement fermé Download PDF

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Publication number
EP0363194A2
EP0363194A2 EP89310189A EP89310189A EP0363194A2 EP 0363194 A2 EP0363194 A2 EP 0363194A2 EP 89310189 A EP89310189 A EP 89310189A EP 89310189 A EP89310189 A EP 89310189A EP 0363194 A2 EP0363194 A2 EP 0363194A2
Authority
EP
European Patent Office
Prior art keywords
relative humidity
salt
water vapor
solution
nonelectrolyte
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
EP89310189A
Other languages
German (de)
English (en)
Other versions
EP0363194B1 (fr
EP0363194A3 (fr
Inventor
David B. Spruill
Joseph L. Banyasz
Thomas V. Van Auken
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.)
Philip Morris Products Inc
Philip Morris USA Inc
Original Assignee
Philip Morris Products Inc
Philip Morris USA Inc
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 Philip Morris Products Inc, Philip Morris USA Inc filed Critical Philip Morris Products Inc
Publication of EP0363194A2 publication Critical patent/EP0363194A2/fr
Publication of EP0363194A3 publication Critical patent/EP0363194A3/fr
Application granted granted Critical
Publication of EP0363194B1 publication Critical patent/EP0363194B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/07—Containers, packaging elements or packages, specially adapted for particular articles or materials for compressible or flexible articles
    • B65D85/08—Containers, packaging elements or packages, specially adapted for particular articles or materials for compressible or flexible articles rod-shaped or tubular
    • B65D85/10—Containers, packaging elements or packages, specially adapted for particular articles or materials for compressible or flexible articles rod-shaped or tubular for cigarettes
    • B65D85/1081—Inserts or accessories added or joined to the container, e.g. coins, pens, cards, spacers
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F25/00—Devices used by the smoker for controlling the moisture content of, or for scenting, cigars, cigarettes or tobacco
    • A24F25/02—Moistening devices
    • 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
    • B65D81/24—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants

Definitions

  • the films covering packages may be imperfectly sealed in a manufacturing process.
  • polymeric films may not be totally impermeable to moisture vapor. That is, the moisture vapor may pass directly through the film as well as through poor seals.
  • RH relative humidity
  • Known methods for controlling the relative humidity in a package, or supplying moisture to the contents of a package include putting into the package an absorbent material, such as blotter board, impregnated with water or other materials, so that the absorbent material will release its contents over time into the interior of the package.
  • Another known method is to include in the package a pouch of cellophane or other porous or microporous cellulosic or polymeric membrane. The pouch encloses a hydrated salt which releases water vapor over time through the membrane into the pack.
  • the first method putting wet blotter board, or some other water carrier into the package -- simply puts excess water into the package or container. Initially the contents of the package will have too high a moisture level, and then, as the excess water is lost from the package, the contents will dry out. This method provides no means of stabilizing the relative humidity within the package at a desired level.
  • the second method -- putting a hydrated salt inside a package -- does give a buffering effect which helps stabilize the relative humidity in the package at a particular level.
  • most hydrated salts establish an equilibrium relative humidity which is wrong -- usually much too high for most packaging applications, and certainly for foods and for tobacco products.
  • their RH buffering capacities per unit weight are low.
  • Hydrated salts all have very low buffering capacities. In a truly closed system, this is not too important, but in a system which leaks, or which is enclosed partially or completely by a barrier which is somewhat permeable to water vapor, it is a very important practical issue. Large masses of a hydrated salt might be required to successfully buffer a package enclosed in a typical film such as polypro­pylene, polyethylene, nylon, cellulose, etc. Usually, the amount of hydrated salt required makes it an impractical medium for controlling relative humidity in a commercial package.
  • hydrated salts For use in consumable products, such as food or tobacco, many hydrated salts cannot be con­sidered because of undesirable properties of the salt. For example, they may be toxic, or may create off-tastes in foods. Some may undergo chemical reactions with the other substances in the package. Consequently, the number of hydrated salts which can be practically considered is quite limited.
  • Saturated salt solutions do not have the same capacity problem as do hydrated salts. There can be a great deal more water per unit volume or per unit weight in a saturated salt solution than in a hydrated salt. Furthermore, it is possible to adjust the initial ratio of excess salt to water, depending on whether the most probable problem expected is that the package will gain water or lose water.
  • salts have saturated solutions which support equilibrium relative humidities in or near the range required for a cigarette pack.
  • a salt which has been found to be effective in cigarette packs in tripotassium citrate monohydrate, which forms a saturated salt solution with an equilibrium relative humidity of 62.9%.
  • a glucose solution with an equilibrium relative humidity of 95% is added to form a modified salt solution with a relative humidity of 60%. This is within the general range of 59-61%, which is the desirable range at 24 o C (75 o F) for tobacco blends used in at least some commercial cigarettes. Other blends may require slightly different ranges of relative humidity, but most will fall in the area of 55-75%.
  • the buffering solution was prepared using 200.0 milliliters of water, 90.0 grams of glucose, and no less than 450.0 grams of tripotassium citrate monohydrate.
  • the water was heated to a temperature of about 65 o C (149 o F), and the glucose was added and dissolved by stirring.
  • the tripotassium citrate monohydrate was then added, and dissolved with the aid of heat and stirring.
  • the solution was allowed to cool to room temperature (about 23.5 o C (74.3 o F)) in a loosely closed vessel.
  • Each insert 10 was filled with three milliliters of the buffering mixture and the open side of each insert was sealed.
  • Curves 84 and 86 of FIG. 8A show the OV content of tobacco filler in the control packs and the test packs, respectively. Straight lines were fitted to the data points of curves 84 and 86 using at least squares line-fitting process. The slopes of the two curves (-0.083 and -0.230 percent-OV/day, respectively) show that the tobacco in the packs without insert 10 loses moisture at 2.8 times the rate of tobacco in packs with inserts 10.
  • Another set of packs prepared at the same time and in the same manner as the packs in the preceding example, were stored under cold conditions, i.e., a temperature of 4.5 o C (40 o F) and a relative humidity of 60% for 35 days.
  • Curves 82 and 83 of FIG. 8C show the OV content of tobacco filler in the control packs and the test packs, respectively. The two curves show that the tobacco in the packs without insert 10 loses moisture somewhat more rapidly than the tobacco in the packs with inserts 10. The difference observed under these conditions is the least observed under any conditions.
  • a quantity of commercial raisin bran break­fast cereal having a water activity (A w ) of 0.55 is divided into two portions. Both portions are placed into commercial type breakfast cereal packages, each consisting of an outer paperboard box and an inner pouch which functions as a moisture barrier. The inner pouch is sealed around three edges, and has a zip-type closure on the fourth edge.
  • a humidity control device similar in construction to, but larger than, those used in Examples 1-12, containing the saturated potassium citrate/2.5 m glucose buffering solution described in Example 1, is put into half of the pouches, and they are closed.
  • the second group of pouches contain raisin bran alone. These are also put into boxes, and the boxes are closed. Both groups of packages are stored under standard "super­market" conditions.
  • Two fruit cakes having water activities (A w ) of 0.60 are placed on paperboard bases and over-­wrapped with a film consisting of multiple alternat­ing laminates of polyvinylidene chloride and poly­ethylene, such as that sold as SARAN WRAPTM by Dow Consumer Products, Inc., of Indianapolis, Indiana, to act as a moisture barrier.
  • a large humidity con­trol device containing the saturated potassium citrate/2.5 m glucose buffering solution described in Example 1 is put inside the overwrap film of one cake. Both cakes are then placed inside the tradi­tional metal containers used for fruit cakes. Both cakes are stored in a chamber at 24 o C (75 o F) and 30% RH for two months.
  • the cake stored with the humidity control device has a significantly higher A w and is more acceptable to the taste.
  • a group of pound cakes having water activity A w of 0.30 is divided into two sets of equal sizes. Both sets are packaged in the same type of standard transparent, sealed packages.
  • the first set of pound cakes is packaged with a large humidity control device containing an aqueous solution which is 4.4 molal in D-glucose and saturated in magnesium chloride.
  • the second set of pound cakes is packaged in the same manner, but without the humidity control devices.
  • the cakes are placed into storage under standard "supermarket" conditions. At regular intervals, pairs of cakes -- one from each set -- are removed from storage, and their water activity measured.
  • the pound cakes packaged with the humitidy control devices are found to have their A w values closer to the desired level (0.30) at longer periods of storage.
  • a number of inserts 10 were prepared in a manner similar to that described in Example 1, except that Celgard® 2400 was replaced with a cellulose triacetate film (American Hoeschst Corp., Film Divi­sion, Type N25 Cellulose Triacetate Film, thickness - 25 micrometers, density - 32 g/m2) which is water vapor-permeable but not porous or microporous. These inserts were placed in packs of commercial cigarettes. These packs were then placed in polypropylene pouches, which were heat-sealed. Another set of cigrettes was packed similarly, except that the inserts were not included.
  • a cellulose triacetate film American Hoeschst Corp., Film Divi­sion, Type N25 Cellulose Triacetate Film, thickness - 25 micrometers, density - 32 g/m2
  • the present invention provides a device which would buffer the relative humidity in a more or less closed container such as a sealed cigarette pack or food package.
  • a more or less closed container such as a sealed cigarette pack or food package.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Food Science & Technology (AREA)
  • Packages (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Drying Of Gases (AREA)
  • Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
  • Control Of Non-Electrical Variables (AREA)
EP89310189A 1988-10-07 1989-10-05 Dispositif pour le contrÔle de l'humidité relative dans un récipient substantiellement fermé Expired - Lifetime EP0363194B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US25456688A 1988-10-07 1988-10-07
US254566 1988-10-07

Publications (3)

Publication Number Publication Date
EP0363194A2 true EP0363194A2 (fr) 1990-04-11
EP0363194A3 EP0363194A3 (fr) 1992-01-08
EP0363194B1 EP0363194B1 (fr) 1996-03-27

Family

ID=22964780

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89310189A Expired - Lifetime EP0363194B1 (fr) 1988-10-07 1989-10-05 Dispositif pour le contrÔle de l'humidité relative dans un récipient substantiellement fermé

Country Status (5)

Country Link
EP (1) EP0363194B1 (fr)
JP (1) JP3126361B2 (fr)
DE (1) DE68926085T2 (fr)
ES (1) ES2085866T3 (fr)
GR (1) GR3020210T3 (fr)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0990388A1 (fr) * 1998-09-28 2000-04-05 Klaus Bloch Récipient pour ligne de pêche
FR2787093A1 (fr) * 1998-12-15 2000-06-16 Robert Gilles Kelifa Dispositif regulateur d'humidite relative
EP1064644A4 (fr) * 1997-06-10 2003-05-28 Humidi Pak Inc Dispositif de regulation de l'humidite
WO2008032081A3 (fr) * 2006-09-13 2008-05-08 Martin Samuel Gillespie Contenant
WO2008148700A1 (fr) * 2007-06-05 2008-12-11 British American Tobacco (Investments) Limited Capsule d'humidification utilisée pour des produits à base de tabac
WO2009005452A1 (fr) * 2007-07-04 2009-01-08 Q-Sense Ab Membrane pour microbalance à quartz
WO2016118363A1 (fr) 2015-01-20 2016-07-28 R.J. Reynolds Tobacco Products Élément rapporte de régulation d'humidité pour paquets de cigarettes
US10201612B2 (en) 2015-09-15 2019-02-12 Boveda, Inc. Devices and methods for controlling headspace humidity and oxygen levels
US10220992B2 (en) 2016-10-12 2019-03-05 Drug Plastics & Glass Company, Inc. Container assembly and closure with predetermined humidity and related method
WO2020193287A1 (fr) * 2019-03-28 2020-10-01 Jt International Sa Dispositif de réglage d'humidité et procédé de diffusion d'un liquide dans un emballage d'articles à fumer
WO2021018944A1 (fr) * 2019-07-29 2021-02-04 Jt International Sa Insert d'humidification et procédé d'humidification d'articles à fumer
CN114560183A (zh) * 2022-03-22 2022-05-31 蔡晓丽 一种用于雪茄烟的保湿袋
US12098015B2 (en) 2016-10-12 2024-09-24 Boveda Inc. Device for controlling headspace humidity and methods for making the same
US12383390B2 (en) 2017-03-06 2025-08-12 Edwards Lifesciences Corporation Humidity-management packaging systems and methods

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05234661A (ja) * 1992-02-24 1993-09-10 Kyoshin Kogyo Kk タブ端子の取付け方法及びタブ端子組合せ体
JPH0629435A (ja) * 1992-07-10 1994-02-04 Kyoshin Kogyo Kk 接続端子および接続端子組合せ体
GB2509338B (en) * 2012-11-16 2017-09-27 Essentra Packaging & Security Ltd Moisture control label
KR101764878B1 (ko) 2016-03-31 2017-08-03 성균관대학교산학협력단 포화 전해질 용액을 이용한 수분 투과도의 측정 장치 및 측정 방법
JP6268457B1 (ja) * 2017-08-09 2018-01-31 株式会社Naito 煙草ケース

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1481971A (en) * 1921-05-17 1924-01-29 Whiting Jasper Method of and means for controlling the humidity within containers
US1871418A (en) * 1929-04-11 1932-08-09 Ralph H Mckee Humidor
US2368140A (en) * 1941-02-05 1945-01-30 Reddir Inc Package and wrapper
US2452957A (en) * 1944-01-04 1948-11-02 Archie R Sabin Moisture control device
US2807514A (en) * 1955-03-01 1957-09-24 Williams David John Humidor package
GB1369992A (en) * 1972-05-17 1974-10-09 British American Tobacco Co Packages
US3990872A (en) * 1974-11-06 1976-11-09 Multiform Desiccant Products, Inc. Adsorbent package
US4158440A (en) * 1976-10-12 1979-06-19 The Ridson Manufacturing Company Device for releasing a volatile substance in a controlled manner
US4161283A (en) * 1977-06-03 1979-07-17 Sy Hyman Article for the dispensing of volatiles
JPS60234836A (ja) * 1984-05-09 1985-11-21 昭和電工株式会社 脱水及び保水用シ−ト
JPS61249341A (ja) * 1985-04-27 1986-11-06 Showa Denko Kk 脱水用具

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1064644A4 (fr) * 1997-06-10 2003-05-28 Humidi Pak Inc Dispositif de regulation de l'humidite
EP0990388A1 (fr) * 1998-09-28 2000-04-05 Klaus Bloch Récipient pour ligne de pêche
FR2787093A1 (fr) * 1998-12-15 2000-06-16 Robert Gilles Kelifa Dispositif regulateur d'humidite relative
WO2000035769A1 (fr) * 1998-12-15 2000-06-22 Robert Kelifa Dispositif regulateur d'humidite relative
WO2008032081A3 (fr) * 2006-09-13 2008-05-08 Martin Samuel Gillespie Contenant
WO2008148700A1 (fr) * 2007-06-05 2008-12-11 British American Tobacco (Investments) Limited Capsule d'humidification utilisée pour des produits à base de tabac
WO2009005452A1 (fr) * 2007-07-04 2009-01-08 Q-Sense Ab Membrane pour microbalance à quartz
EP3247231A4 (fr) * 2015-01-20 2018-10-17 R.J. Reynolds Tobacco Products Élément rapporte de régulation d'humidité pour paquets de cigarettes
WO2016118363A1 (fr) 2015-01-20 2016-07-28 R.J. Reynolds Tobacco Products Élément rapporte de régulation d'humidité pour paquets de cigarettes
US10201612B2 (en) 2015-09-15 2019-02-12 Boveda, Inc. Devices and methods for controlling headspace humidity and oxygen levels
US10220992B2 (en) 2016-10-12 2019-03-05 Drug Plastics & Glass Company, Inc. Container assembly and closure with predetermined humidity and related method
US10737856B2 (en) 2016-10-12 2020-08-11 Drug Plastics & Glass Company, Inc. Container and closure assembly with predetermined humidity and related method
US10913585B2 (en) 2016-10-12 2021-02-09 Drug Plastics & Glass Company, Inc. Container and closure assembly with predetermined humidity and related method
US12098015B2 (en) 2016-10-12 2024-09-24 Boveda Inc. Device for controlling headspace humidity and methods for making the same
US12383390B2 (en) 2017-03-06 2025-08-12 Edwards Lifesciences Corporation Humidity-management packaging systems and methods
WO2020193287A1 (fr) * 2019-03-28 2020-10-01 Jt International Sa Dispositif de réglage d'humidité et procédé de diffusion d'un liquide dans un emballage d'articles à fumer
WO2021018944A1 (fr) * 2019-07-29 2021-02-04 Jt International Sa Insert d'humidification et procédé d'humidification d'articles à fumer
CN114173583A (zh) * 2019-07-29 2022-03-11 日本烟草国际股份有限公司 加湿插入件和用于对吸烟制品进行加湿的方法
CN114560183A (zh) * 2022-03-22 2022-05-31 蔡晓丽 一种用于雪茄烟的保湿袋

Also Published As

Publication number Publication date
JPH02144119A (ja) 1990-06-01
JP3126361B2 (ja) 2001-01-22
EP0363194B1 (fr) 1996-03-27
DE68926085T2 (de) 1996-10-10
DE68926085D1 (de) 1996-05-02
ES2085866T3 (es) 1996-06-16
GR3020210T3 (en) 1996-09-30
EP0363194A3 (fr) 1992-01-08

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