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
  • B65D81/18—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 providing specific environment for contents, e.g. temperature above or below ambient
  • B65D81/20—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 providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas
  • B65D81/2069—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 providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas in a special atmosphere
  • B65D81/2076—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 providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas in a special atmosphere in an at least partially rigid container
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
  • F16J—PISTONS; CYLINDERS; SEALINGS
  • F16J12/00—Pressure vessels in general

Definitions

• the present invention relates to a time capsule, in particular, to a time capsule having a double sealing structure wherein a container tightly sealed using a sealing nozzle is sealed anew by an outer container.
• a time capsule is, in general, a container used to store items and/or documents of a generation to enable later generations experience commodities of everyday life or culture of that earlier generation.
• burring of time capsules were commissioned mainly by the central or local governments.
• interest on and popularity of a time capsule among civil entities and individuals have also been increased.
• time capsules Examples of such time capsules are: The first time capsule was buried in Korea on October 17, 1985 at Namsan mountain by Joong-Ang newspaper; Another time capsule was buried by the municipal government of Seoul City in the year 1994 at the event of the sixth centennial of the establishment of the city Seoul. Time capsules buried by individuals contain, among others, infant clothes, bibs, milk bottles, cassette tapes storing the first mutters of their babies, a pair of rings to be shared by partners of opposite sex, etc. A primary school located in Inchon city has buried a time capsule made of plastic, which stores essays of all pupils of that school written under the subject, "My Future".
• a time capsule is a container to be opened first in years or even in hundreds of years, the items to be stored in it shall be processed in a way that no corrosion or deterioration occurs. Further, in order to guarantee the optimal status of stored object items, special caution shall be made not to allow inflow of external air into the containers during and after manufacture thereof.
• the present invention conceived to solve the above problems, aims to provide a time capsule having a double sealing structure wherein a container tightly sealed using a sealing nozzle is sealed anew by an outer container.
• Fig. 1 illustrates a schematic over-all construction of a time capsule in accordance with the present invention.
• Fig. 2 is a cross-sectional view of an inner container of a time capsule in accordance of the present invention.
• Fig. 3 is a cross-sectional view of an outer container of a time capsule in accordance of the present invention.
• Fig. 4 is a perspective view of an outer container of a time capsule in accordance of the present invention.
• Fig. 5a is a cross-sectional view of a sealing nozzle inlet groove of an upper plate as combined with a pumping system in accordance with an embodiment of the present invention.
• Fig. 5b is a cross-sectional view of a pipe connection hole of an upper plate as combined with a pumping system in accordance of another embodiment of the present invention.
• Fig. 6 illustrates a sealing nozzle tightening screw 51, a sealing nozzle 50, and a sealing nozzle inlet groove 155 in accordance with the present invention, prior to their combination with each other.
• Fig. 7(a) is a plane view of a flange for covering the upper part of a sealing nozzle
• Fig. 7(b) is a cross-sectional view of the above flange as it covers the above nozzle with the nozzle inserted in the above nozzle inlet groove.
• Fig. 8 is a flow chart showing a manufacture process of a time capsule in accordance with the present invention.
• Fig. 1 illustrates a schematic over-all construction of a time capsule in accordance with the present invention
• Fig. 2 is a cross-sectional view of an inner container of a time capsule in accordance with the present invention
• Fig. 3 is a cross-sectional view of an outer container of a time capsule in accordance with the present invention
• Fig. 4 is a perspective view of an outer container of a time capsule in accordance with the present invention.
• a time capsule in accordance with the present invention comprises one or more inner container 100 for storing collected items, an outer container 200 for accepting the above inner containers 100 in layers, and a package container 300 for accepting the above outer container 200.
• Each of the above inner container 100 and the outer container 200 is equipped with an upper plate 150, 250 which covers the upper part of the respective container 100, 200, the edge of which is welded with the body of the respective container 100, 200, and which has in the center of it a sealing nozzle inlet groove 155, 255 with a thread groove formed inside thereof; a sealing nozzle 50 capable of sealing the above sealing nozzle inlet groove 155, 255 by a screw; and a flange 60 capable of tightly re-sealing the above sealing nozzle 50.
• An example each of an inner container 100 and an outer container 200 is illustrated in Fig. 2 and Fig. 3, respectively.
• the inner container 100 stores the collected items in it after appropriate processing thereof, while the outer container 200 stores in it one or more of the above inner containers
• the number of the inner container 100 is determined by the volume of the items to be stored, while the size of the above outer container 200 is determined by the number of the inner containers to be accepted therein.
• both the inner container 100 and the outer container 200 are preferably be made of stainless steel (SUS 316 type) in cylinder form, as an example of the outer container 200 is illustrated in Fig. 4.
• the form of the containers is not limited to a cylinder, but may also take other forms, including a hexahedron.
• the above package container 300 is preferably made of a specially reinforced plastic (FRP), but may accommodate on its outer surface decorations e.g. in oak, so that the container may also function as an article of decoration.
• FRP specially reinforced plastic
• the sealing method of the above upper plate 150, 250 with the respective upper part of the above inner container 100 and the above outer container 200 not only welding, but also other methods such as clamping via bolts and nuts, etc. or copper gasket may be used as well.
• each of the above upper plate 150, 250 has in its center a sealing nozzle inlet groove 155, 255 with screw groove formed inside thereof to allow tight sealing of the above sealing nozzle 50 by a screw.
• Fig. 5a is a view of a pumping system 300 as combined with a sealing nozzle 50 and a sealing nozzle inlet groove 155 in accordance with an embodiment of the present invention
• Fig. 6 illustrates a sealing nozzle tightening screw 51, a sealing nozzle 50, and a sealing nozzle inlet groove 155 in accordance with the present invention, prior to their combination with each other.
• a pumping system 300 capable of making vacuum consisted of a valve, a pump, a gauge or a bellows hose, and a gas inlet pipe is combined with the above sealing nozzle inlet groove 155, after the above inner container 100 has accepted the collected items, the above upper plate 150 has properly covered the inner container, and the edge thereof has been welded.
• the male thread groove formed at the lower outer surface of the sealing nozzle tightening screw 51 fits into the female thread groove formed at the center inner part of the above sealing nozzle 50, as illustrated in fig. 6.
• the above sealing nozzle 50 is inserted into the above sealing nozzle inlet groove 155 by the above sealing nozzle tightening screw 51 via a screw after the vacuum, sterilization, and corrosion protection processes have been completed by the above pumping system 300.
• the above pumping system 300 is separated after insertion of the above sealing nozzle 50 into the above sealing nozzle inlet groove 155 has been completed, and then, the sealing nozzle50 is sealed again by a flange 60.
• the above flange 60 is preferably sealed with the above upper plate 150 by argon (Ar) welding.
• Fig. 7(a) is a plane view of a flange for covering the upper part of a sealing nozzle
• Fig. 7(b) is a cross-sectional view of the above flange as it covers the above nozzle with the nozzle inserted in the above nozzle inlet groove.
• FIG. 8 is a flow chart showing example of a manufacture process of a time capsule in accordance with the present invention.
• an inner container 100 is manufactured considering the volume of the item to be stored (S10), and then surface of the container is polished (S20).
• the polishing process initiates with a rough and then proceeds to fine abrasive clothes until the surface becomes glossy.
• a cleaning process proceeds to eliminate dust and/or contamination of the container 100 (S30), wherein the welded parts are brush cleaned using a stain cleaner, while other contaminations are cleaned using alkalic liquids.
• the container is dried after the cleaning (S40).
• the bottom and side wall of the container 100 are covered with glass fiber from inside to accommodate the object item (S50), and then, the container is covered by the upper plate and welded therewith (S60) after the collected item has been covered by glass fiber.
• a vacuum process proceeds (S70), as shown in Fig. 5a, using a pumping system including a valve, a pump, and a gauge or a bellows hose, to enable gas pouring into the above sealing nozzle inlet groove 155, the vacuum process, the sterilization process, etc.
• Vacuumization is preferably performed on or below lOmTORR.
• a mixed gas is poured for sterilization with duration of eight hours or longer (S80).
• the mixed gas is preferably an ethyl ene oxide composition consisted of 22% of Heiken-F C 2 H O and 88% of CC1 8 F 2 .
• a vacuum process at lOmTORR or below follows (S90) the above sterilization process, and after that, argon (Ar) gas is poured for corrosion protection (SI 00).
• the Ar gas is poured at a pressure slightly over the normal pressure, namely, at l ⁇ 2kg/cm 2 .
• the container is sealed by tightly inserting the above sealing nozzle 50 into the above sealing nozzle inlet groove 155 by the above sealing nozzle tightening screw 51 (SI 10), and then, the pumping system 300 is separated.
• the sealing nozzle 50 is re-covered using a flange 60 (S120).
• Fig. 5b illustrates a pumping system 300 as connected to a pipe 55, which in turn is connected by welding to a pipe connection hole of an upper plate 150.
• the embodiment in Fig. 5b differs from that in Fig. 5 a in that the former embodiment comprises a flange 60 for covering the upper plate, having a hole formed in the center thereof to be connected with the pipe connection hole, while the latter embodiment comprises a sealing nozzle inlet groove 155 in the center of the upper plate 150, having a thread groove formed in the inside thereof allowing a pumping system 300 to be connected with and to perform vacuum, sterilization, and corrosion protection processes.
• a pumping system 300 is then connected with the above flange 60 via a copper (Cu) pipe 55 which is to be welded with the edge of the groove formed in the center of the above flange, for performing the vacuum, sterilization, and corrosion protection processes
• the embodiment in Fig. 5a proceeds to seal the inner container 100 by tightly screwing the sealing nozzle 50 into the above sealing nozzle inlet groove 155, while the sealing process in Fig. 5b is performed by cutting off the above pipe 55 using a pinch-off-press.
• the bordering edges may also be sealed, e.g. using bolts and nuts.
• the present invention by providing a double structured sealing using one or more inner containers and an outer container accepting the above inner containers, enables the stored items to be protected over a long period of time almost without the fear of corrosion or deformation thereof.
• each of the inner container and outer container in accordance with the present invention comprises a sealing nozzle inlet groove at the upper plate thereof, allowing sealing thereof using a sealing nozzle after termination of the required processes of gas pouring, vacuumization, sterilization, etc., the present invention enables the stored items to be protected over a long period of time almost without the fear of corrosion or deformation thereof.

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• Engineering & Computer Science (AREA)
• General Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Packages (AREA)

Applications Claiming Priority (2)

Publications (1)

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ID=19703972

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Country Status (2)

Cited By (3)

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Citations (5)

Family Cites Families (4)

• 2000
  • 2000-12-29 KR KR10-2000-0086008A patent/KR100419144B1/ko active IP Right Grant
• 2001
  • 2001-12-28 WO PCT/KR2001/002287 patent/WO2002053954A1/en not_active Application Discontinuation

Patent Citations (5)

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