EP0359820A1 - Package of liquid container - Google Patents
Package of liquid container Download PDFInfo
- Publication number
- EP0359820A1 EP0359820A1 EP88904632A EP88904632A EP0359820A1 EP 0359820 A1 EP0359820 A1 EP 0359820A1 EP 88904632 A EP88904632 A EP 88904632A EP 88904632 A EP88904632 A EP 88904632A EP 0359820 A1 EP0359820 A1 EP 0359820A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- liquid container
- water
- package
- package according
- humidity control
- 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
- 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
- B65D81/26—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators
-
- 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
- B65D81/26—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators
- B65D81/266—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators for absorbing gases, e.g. oxygen absorbers or desiccants
- B65D81/267—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators for absorbing gases, e.g. oxygen absorbers or desiccants the absorber being in sheet form
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
- A61J1/14—Details; Accessories therefor
- A61J1/16—Holders for containers
-
- 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
- B65D81/26—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators
- B65D81/264—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators for absorbing liquids
Abstract
Description
- This invention relates to a package for liquid containers, e.g., blood bags, and more particularly, to a liquid container package, which can prevent moisture condensation from forming inside the package.
- Heretofore, for preserving blood bags it has been the practice to lay Japanese paper as a water absorption sheet beneath the blood bags to absorb the condensed water droplets. The blood bag is made of a soft plastic material permeable by water vapor. Water vapor penetrates the blood bag as condensed moisture inside a sealed container package due to, for example, a difference in temperature between the sealed container package and the environment. The amount of condensed water can be much as 8 to 10 cc in the case of a single container package, in which five sets of 200-cc blood bags (a total blood content amounting 140 cc) are sealed. Heretofore, Japanese paper has been used by laying it beneath the bottom of the blood bag to absorb the condensed moisture. Japanese paper, however, has a poor water absorption property and can not absorb water unless it is contacted by water, that is, it can not absorb water in the state of vapor, and it is only when this vapor condenses, that the paper is sufficiently able to absorb water.
- Further, the Japanese paper lacks a water-retaining capacity, i.e., it lacks an absorbent quality. Therefore, water once absorbed by the paper can readily dissipate due to a temperature rise or like cause. Therefore, an over-saturation state is produced inside the blood bag, and evaporation, dissipation, and condensation of water repeatedly take place. Further, the surface of the blood bag which is not in contact with Japanese paper has no ability what so ever to absorb water. Therefore, affixing labels indicating the blood type and other data to the bags is difficult due to the moisture which collects on the surface of the blood bags when collecting blood. Further, a label once applied is liable to fall off. There is a further problem in that water that has not been absorbed by the Japanese paper beneath the blood bags in the package may be mistaken as leakage of the blood bag content.
- An object of the invention is to provide a liquid container package, which can maintain an adequate humidity therein and which can also prevent moisture from condensing on the inside of the bag.
- To attain the above object of the invention, there is provided a liquid container package, which comprises a liquid container having a wall permeable to water vapor and containing a liquid, a package for hermetically wrapping one or more of said liquid containers and a humidity control member disposed between said liquid container or containers and said package and comprised of a water- and water vapor-permeable sheet and resinous material enclosed by said water- and water vapor-permeable sheet and having a water vapor absorption property, water absorption property, and a water vapor dissipation property.
- It is one feature of the invention that the humidity control member has properties which are highly absorbant of water as well as water vapor and that it also has a water vapor dissipation property, and that this humidity control member is used in lieu of Japanese paper which has a poor water absorption property and has substantially no water vapor absorption property.
- It is another feature of this invention that the humidity control member can be used in a versatile fashion, i.e., it can be disposed on the bottom, the side walls or the entire inner wall surfaces of a liquid container package.
-
- Fig. 1 is a sectional view showing a relative humidity control member accommodated in a liquid container package according to the invention;
- Fig. 2 is a perspective view showing an example of use of the humidity control member;
- Figs. 3 and 4 are perspective views, each showing a different example of use of the humidity control member;
- Fig. 5 is an exploded perspective view showing the liquid container package according to the invention;
- Fig. 6 is a perspective view showing the assembled form of the liquid container package shown in Fig. 5; and
- Fig. 7 is a perspective view showing a prior art liquid container package.
- The invention will now be described in conjunction with the preferred embodiments thereof with reference to the drawings.
- Fig. 1 is a sectional view showing a humidity control member accommodated as a liquid or water absorber in a liquid container package according to the invention.
Resinous material 2 having a water vapor absorption property, a water absorption property, and a water vapor dispersion perperty is provided in an embossed form between two water- and water vapor-permeable sheets 3 (such as paper sheets).Resinous material 2 has a water absorption capacity of 10 to 1,000 cc, preferably 100 to 800 cc, more preferably 300 to 700 cc, per one gram. Such a water-absorptive resinous material as noted above is well-known; for example, an acrylic acid resin mainly composed of potassium polyacrylate (marketed under a trade name "Arasoap 800A" by Arakawa Kagaku Kogyo Co., Ltd.). - This humidity control member has a mesh-like structure constituted by
resinous material 2, water being trapped in the mesh structure. It can cope with a temperature rise or like changes to maintain a saturation state inside the package by releasing water vapor. When water vapor is increased beyond the saturation state, it positively absorbs moisture. When such humidity control member is provided in the sealed liquid container package, water generated due to various causes is absorbed and dispersed by the resin particles, so that it is possible to maintain at all time the saturation state inside the sealed liquid container package. In other words, it is possible to suppress dispersion of water by evaporation from the liquid container such as a blood bag and also suppress generation of water drops. - Now, an embodiment of the invention and a comparative example will be described with reference to the drawings.
- Fig. 1 shows a humidity control member for a package for blood bags (liquid containers) according to the invention. Reference numeral 1 designates the humidity control member. Humidity control member 1 consists of an embossing of a pair of slightly water- and water vapor
permeable paper sheets 3 withresinous material 2 being disposed between thepaper sheets 3.Resinous material 2 has a water vapor absorption property, a water absorption property, and a water vapor dissipation property; for instance, it may be a highly water-absorptive acrylic acid resin (in the form of particles mainly composed of potassium polyacrylate [available under a trade name "Arasoap 800A" by Arakawa Kagaku Kogyo Co., Ltd.,] with a water absorption capacity of 950 cc/g). Humidity control member 1 contains 20 g of the highly water-absorptive resin per 1 m2. - Fig. 2 shows how the humidity control member according to the invention is used in an embossed form. As is shown,
molding 4 of humidity control member 1, which has substantially the same shape as package A, is prepared and disposed in package A. Afterhumidity control molding 4 has been set in package A, blood bags (not shown) are enclosed in package A, which is then sealed with lap B. - The method of disposing the humidity control member in package A as shown in Fig. 2 is by no means limitated. For example, it is possible to use humidity
control molding member 5 as shown in Fig. 3, or disposed relative humiditycontrol molding member 6 only on the bottom of package as shown in Fig. 4. - The shapes of humidity control molding
members 4 to 6 obtained from humidity control member 1 are by no means limitated, and member 1 may be processed to any shape and size which conforms to package A. - Fig. 5 shows an example of packing blood bags (not shown) by using a package as shown in Fig. 2. As shown, this package is formed by using two
humidity control members 4 as shown in Fig. 2. More particularly,humidity control members 41 and 42 are set in respective packages A1 and A2. Then, after setting the blood bags in packages A1 and A2, packages Al and A2 are sealed with respective laps B1 and B2.Thereafter, packages Al and A2 with the blood bags sealed therein are overlaid, face-to-face, with laps B1 and B2 and then their edges are heat-sealed together, thus completing the package as shown in Fig. 6. - Packages Al and A2 each have a volume of 65 mm by 105 mm by 180 mm. When each of packages A1 and A2 contains five sets of blood containers with 200-cc of collected blood (a total liquid content of 140 cc), it suitably contains 0.05 to 5 g, preferably 0.1 to 2 g, of the highly water-absorptive resin. If the resin is excessively contained therein, the moisture in package A is excessively absorbed so that the blood bag content eventually begins to lack water content. If the resin is insufficiently contained therein, on the other hand, failure of the resin to sufficiently absorb the moisture is liable.
- A temperature cycle test was conducted on a liquid container package consisting of two packages Al and A2 with blood bags sealed therein and sealed together, face-to-face, with laps B1 and B2. The test was conducted by transferring the package, every 3 hours, between a temperature controller at 60°C and a refrigerator at 6°C and repeating this cycle ten times, and subsequently checking the extent of wetting to the surface of the blood bags. A like temperature cycle test was conducted under the same conditions on a package (refer to Fig. 7), which was formed in the same manner as the package shown in Fig. 6, except that conventional Japanese paper (or Japanese art paper) was used in lieu of
humidity control member 4 according to the invention and was disposed under the bottom of the individual blood containers. - With the package according to the invention, the surface of the blood bags on the upper side of
humidity control member 4 was proven to be only slightly wet, and the blood bag surface on the lower side ofhumidity control member 4 was perfectly dry. With the contrasting package formed by using Japanese paper, the blood bag surface on the upper side of the Japanese paper was considerably wet, and the blood bag surface on the lower side of the Japanese paper was proven to be extremely wet. - It was thus confirmed that the wetting of the blood bag surface can be extremely remedied in cases where
humidity control member 4 is used as compared to the case where the Japanese paper was used. - As has been described in the foregoing, according to the invention, it is possible to maintain the saturation state of humidity in a sealed package containing blood bags or like liquid containers. It is thus possible to prevent water vapor from condensing inside the package as well as to suppress the dispersion of water content from the liquid container. Further, since the liquid container surface is not wet, a label indicating the blood type or like data can be reliably applied to the liquid container surface.
- As explained above, a liquid container package according to this invention is useful for every kinds of sealed package which is required to keep the inside thereof free from the generation of moisture condensation, and in particular for a package which is adapted to keep a vapor permeable liquid container therein for a long period of time.
Claims (12)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP133122/87 | 1987-05-28 | ||
JP62133122A JPS63294858A (en) | 1987-05-28 | 1987-05-28 | Container package |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0359820A1 true EP0359820A1 (en) | 1990-03-28 |
EP0359820A4 EP0359820A4 (en) | 1990-09-19 |
EP0359820B1 EP0359820B1 (en) | 1993-02-24 |
Family
ID=15097302
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP88904632A Expired - Lifetime EP0359820B1 (en) | 1987-05-28 | 1988-05-24 | Package of liquid container |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0359820B1 (en) |
JP (1) | JPS63294858A (en) |
KR (1) | KR890701447A (en) |
AU (1) | AU597839B2 (en) |
DE (1) | DE3878690T2 (en) |
WO (1) | WO1988009296A1 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2251206A (en) * | 1990-12-28 | 1992-07-01 | Sorba Freeze Limited | Packaging system |
US5265401A (en) * | 1989-11-14 | 1993-11-30 | Thermarite Pty. Ltd. | Apparatus for manufacturing flexible containers |
WO1994025370A1 (en) * | 1993-05-04 | 1994-11-10 | Drackett Brands, Inc. | Packaging system for dispensing cartridge for volatiles and method of providing such a system |
US5439100A (en) * | 1993-05-04 | 1995-08-08 | The Dial Corp. | Packaging system for dispensing cartridge for volatiles |
EP0890328A3 (en) * | 1993-03-10 | 1999-06-16 | Kosé Corporation | Container for an aqueous-type cosmetic composition |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0743010Y2 (en) * | 1988-02-25 | 1995-10-04 | アース製薬株式会社 | Volatile substance container |
JPH0693907B2 (en) * | 1991-07-26 | 1994-11-24 | 川澄化学工業株式会社 | Platelet storage device |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3209978A (en) * | 1961-07-03 | 1965-10-05 | Continental Can Co | Liquid absorbing and concealing device |
US4383376A (en) * | 1981-03-18 | 1983-05-17 | Showa Denko Kabushiki Kaisha | Contact-dehydrating sheet for drying protein-containing food |
US4561543A (en) * | 1984-12-05 | 1985-12-31 | Abbott Laboratories | Protective enclosure for liquid-containing pouches |
FR2578512A1 (en) * | 1984-09-18 | 1986-09-12 | Socintec Sarl | Cushion for the sealing of packages intended for packaging products releasing liquid and ensuring the separate retention of this liquid |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5645564B2 (en) * | 1973-10-16 | 1981-10-27 | ||
JPS5829106B2 (en) * | 1979-01-23 | 1983-06-20 | テルモ株式会社 | Packaging bag for blood bags |
AU6058580A (en) * | 1979-07-07 | 1981-02-03 | Fujishima, Daishiro | Method of supplying gas absorbent |
JPS5713477U (en) * | 1980-06-30 | 1982-01-23 | ||
JPS58193678A (en) * | 1982-05-04 | 1983-11-11 | Kao Corp | Method of keeping vegetable and food fresh |
JPS58192552A (en) * | 1982-05-06 | 1983-11-10 | テルモ株式会社 | Package container for preserving medical container |
JPS6083026U (en) * | 1983-11-14 | 1985-06-08 | 丸共商事株式会社 | Sheet desiccant |
JPS60134877A (en) * | 1983-12-15 | 1985-07-18 | 昭和電工株式会社 | Method of preventing drip in tray for food pack |
JPS60136739U (en) * | 1984-02-21 | 1985-09-11 | 大日本印刷株式会社 | oxygen absorption sheet |
JPS61134969U (en) * | 1985-02-12 | 1986-08-22 | ||
JPS62287865A (en) * | 1986-05-29 | 1987-12-14 | 住友化学工業株式会社 | Liquid absorbing sheet |
JPS62299265A (en) * | 1986-06-20 | 1987-12-26 | テルモ株式会社 | Package of medical container |
-
1987
- 1987-05-28 JP JP62133122A patent/JPS63294858A/en active Pending
-
1988
- 1988-05-24 EP EP88904632A patent/EP0359820B1/en not_active Expired - Lifetime
- 1988-05-24 DE DE8888904632T patent/DE3878690T2/en not_active Expired - Fee Related
- 1988-05-24 WO PCT/JP1988/000497 patent/WO1988009296A1/en active IP Right Grant
- 1988-05-24 KR KR1019890700138A patent/KR890701447A/en not_active Application Discontinuation
- 1988-07-19 AU AU19182/88A patent/AU597839B2/en not_active Ceased
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3209978A (en) * | 1961-07-03 | 1965-10-05 | Continental Can Co | Liquid absorbing and concealing device |
US4383376A (en) * | 1981-03-18 | 1983-05-17 | Showa Denko Kabushiki Kaisha | Contact-dehydrating sheet for drying protein-containing food |
FR2578512A1 (en) * | 1984-09-18 | 1986-09-12 | Socintec Sarl | Cushion for the sealing of packages intended for packaging products releasing liquid and ensuring the separate retention of this liquid |
US4561543A (en) * | 1984-12-05 | 1985-12-31 | Abbott Laboratories | Protective enclosure for liquid-containing pouches |
Non-Patent Citations (1)
Title |
---|
See also references of WO8809296A1 * |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5265401A (en) * | 1989-11-14 | 1993-11-30 | Thermarite Pty. Ltd. | Apparatus for manufacturing flexible containers |
US5649409A (en) * | 1989-11-14 | 1997-07-22 | Thermarite Pty. Ltd. | Apparatus for manufacturing flexible containers |
GB2251206A (en) * | 1990-12-28 | 1992-07-01 | Sorba Freeze Limited | Packaging system |
GB2251206B (en) * | 1990-12-28 | 1994-03-30 | Sorba Freeze Limited | Packaging system |
EP0890328A3 (en) * | 1993-03-10 | 1999-06-16 | Kosé Corporation | Container for an aqueous-type cosmetic composition |
WO1994025370A1 (en) * | 1993-05-04 | 1994-11-10 | Drackett Brands, Inc. | Packaging system for dispensing cartridge for volatiles and method of providing such a system |
US5439100A (en) * | 1993-05-04 | 1995-08-08 | The Dial Corp. | Packaging system for dispensing cartridge for volatiles |
Also Published As
Publication number | Publication date |
---|---|
EP0359820A4 (en) | 1990-09-19 |
DE3878690D1 (en) | 1993-04-01 |
WO1988009296A1 (en) | 1988-12-01 |
JPS63294858A (en) | 1988-12-01 |
EP0359820B1 (en) | 1993-02-24 |
AU597839B2 (en) | 1990-06-07 |
KR890701447A (en) | 1989-12-20 |
AU1918288A (en) | 1990-01-25 |
DE3878690T2 (en) | 1993-07-01 |
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