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 PDFInfo
- 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
Links
Images
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)
- Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
- Drying Of Gases (AREA)
- Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
- Sampling And Sample Adjustment (AREA)
- Control Of Non-Electrical Variables (AREA)
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 (12)
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 |
EP1064644A1 (fr) * | 1997-06-10 | 2001-01-03 | Humidi-Pak, Inc. | Dispositif de regulation de l'humidite |
WO2008032081A2 (fr) * | 2006-09-13 | 2008-03-20 | 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 |
Families Citing this family (6)
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 |
US10631968B2 (en) * | 2017-03-06 | 2020-04-28 | Edwards Lifesciences Corporation | Humidity-management packaging systems and methods |
JP6268457B1 (ja) * | 2017-08-09 | 2018-01-31 | 株式会社Naito | 煙草ケース |
Citations (11)
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 |
US4645698A (en) * | 1984-05-09 | 1987-02-24 | Showa Denko Kabushiki Kaisha | Dehydrating and water-retaining sheet |
US4686776A (en) * | 1985-04-27 | 1987-08-18 | Showa Denko Kabushiki Kaisha | Dehydrating device |
-
1989
- 1989-10-05 EP EP89310189A patent/EP0363194B1/fr not_active Expired - Lifetime
- 1989-10-05 ES ES89310189T patent/ES2085866T3/es not_active Expired - Lifetime
- 1989-10-05 DE DE1989626085 patent/DE68926085T2/de not_active Expired - Fee Related
- 1989-10-06 JP JP01262822A patent/JP3126361B2/ja not_active Expired - Lifetime
-
1996
- 1996-06-12 GR GR960401589T patent/GR3020210T3/el unknown
Patent Citations (11)
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 |
US4645698A (en) * | 1984-05-09 | 1987-02-24 | Showa Denko Kabushiki Kaisha | Dehydrating and water-retaining sheet |
US4686776A (en) * | 1985-04-27 | 1987-08-18 | Showa Denko Kabushiki Kaisha | Dehydrating device |
Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1064644A1 (fr) * | 1997-06-10 | 2001-01-03 | Humidi-Pak, Inc. | Dispositif de regulation de l'humidite |
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 |
WO2008032081A2 (fr) * | 2006-09-13 | 2008-03-20 | Martin Samuel Gillespie | Contenant |
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 |
EP3247231A4 (fr) * | 2015-01-20 | 2018-10-17 | 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 |
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 |
---|---|
DE68926085T2 (de) | 1996-10-10 |
GR3020210T3 (en) | 1996-09-30 |
EP0363194B1 (fr) | 1996-03-27 |
DE68926085D1 (de) | 1996-05-02 |
JPH02144119A (ja) | 1990-06-01 |
ES2085866T3 (es) | 1996-06-16 |
JP3126361B2 (ja) | 2001-01-22 |
EP0363194A3 (fr) | 1992-01-08 |
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