WO2022239973A1 - Couvercle et récipient scellé comprenant celui-ci - Google Patents

Couvercle et récipient scellé comprenant celui-ci Download PDF

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Publication number
WO2022239973A1
WO2022239973A1 PCT/KR2022/005192 KR2022005192W WO2022239973A1 WO 2022239973 A1 WO2022239973 A1 WO 2022239973A1 KR 2022005192 W KR2022005192 W KR 2022005192W WO 2022239973 A1 WO2022239973 A1 WO 2022239973A1
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WO
WIPO (PCT)
Prior art keywords
cover
sealing
sealing member
groove
valve
Prior art date
Application number
PCT/KR2022/005192
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English (en)
Korean (ko)
Inventor
정병찬
Original Assignee
정병찬
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 정병찬 filed Critical 정병찬
Publication of WO2022239973A1 publication Critical patent/WO2022239973A1/fr

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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
    • B65D45/00—Clamping or other pressure-applying devices for securing or retaining closure members
    • B65D45/02—Clamping or other pressure-applying devices for securing or retaining closure members for applying axial pressure to engage closure with sealing surface
    • 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
    • B65D51/00—Closures not otherwise provided for
    • 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
    • B65D53/00—Sealing or packing elements; Sealings formed by liquid or plastics material
    • B65D53/02—Collars or rings
    • 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

Definitions

  • the present invention relates to a cover and an airtight container including the same.
  • the airtight container prevents the smell of the food contained therein from escaping, and prevents the food from spoiling due to the inflow of bacteria in the air.
  • knurls are used to maintain a sealed state by disposing a packing between the cover and the container body to maintain a sealed state of the cover with respect to the container body.
  • locking wings formed around the cover were fastened to the container body in order to further maintain the sealed state of the cover with respect to the container body.
  • the locking wing is repeatedly folded and unfolded, the locking wing is cut and the airtightness cannot be maintained.
  • the present invention provides a cover and an airtight container including the cover that can increase the shelf life of food by improving the sealing force with a double sealing structure.
  • the cover includes a cover body having a valve hole, a valve located in the valve hole to control the flow of air, and the inside of the container body coupled to the cover body and containing the contents. It includes a first sealing member that can be in contact with the surface and a second sealing member that is coupled to the cover body away from the first sealing member and can be pressed by the upper surface of the container body.
  • the first sealing member and the second sealing member may be disposed with a step difference therebetween.
  • An upper surface of the cover body may be partially recessed to form a seating groove, and the valve hole may pass through the cover body at a bottom of the seating groove.
  • a first sealing groove coupled to the first sealing member and a second sealing groove coupled to the second sealing member may be formed on an edge of a lower surface of the cover body at intervals.
  • a protrusion protruding from the lower surface may be formed at a position spaced apart from the lower surface of the cover body in an inward direction, and the first sealing groove is formed on the protruding portion, and the first sealing member is formed based on the upper surface of the cover body. It may be located below the second sealing member.
  • the first sealing member may include a sealing body inserted into and fixed to the first sealing groove, and a sealing wing that may come into contact with the inner surface of the sealing body and be bent.
  • the cover may further include a fixing frame inserted into the first sealing groove and fixing the first sealing member to the cover body.
  • the fixing frame may include a fixing body inserted into the first sealing groove and fixing the first sealing member, and a fixing support protruding from the fixing body and supporting a portion of the sealing body and the sealing wing. .
  • First and second buffer grooves are formed on the upper surface of the second sealing member, and an insertion groove into which the upper side of the container body can be inserted is formed on the lower surface, and the first and second buffer grooves are formed on the upper side of the container body.
  • the cross-sectional area may decrease when pressed by
  • the valve may include a valve body penetrating the valve hole and having a flow hole formed therein, a flange that may be in close contact with the bottom of the seating groove and coupled to the valve body, a handle coupled to the valve body in the seating groove, A first locking jaw protruding outward from the valve body and caught on the lower surface of the cover body and a first locking jaw protruding outward from the valve body and spaced apart from the first locking jaw and caught on the lower surface of the cover body. 2 may include a snag.
  • An airtight container includes a cover described above, and a container body in which a storage space open to the upper surface is formed therein.
  • the cover may be disposed on the open upper surface of the container body to seal the storage space.
  • the present invention has a double sealing structure by the first sealing member and the second sealing member. Accordingly, since outside air is blocked from entering the storage space, it is possible to prevent food from deteriorating due to contact with outside air.
  • the second sealing member when the storage space is formed in a vacuum state, the second sealing member is compressed between the top surface of the container body and the lid body to maintain airtightness, so that the vacuum state can be maintained. This has the effect of increasing the freshness and shelf life of food.
  • FIG. 1 is a perspective view showing an airtight container according to an embodiment of the present invention.
  • Figure 2 is a perspective view showing the cover of Figure 1;
  • Figure 3 is an exploded perspective view of Figure 2;
  • FIG. 4 is a cross-sectional view of FIG. 2 taken along line IV-IV;
  • FIG. 5 is an enlarged view of part A of FIG. 4;
  • Figure 6 is an exploded cross-sectional view of Figure 4.
  • Figure 7 is a separated cross-sectional view of the container body and cover of Figure 1;
  • Figure 8 is a combined cross-sectional view of Figure 7;
  • FIG. 9 is an enlarged view of part A of FIG. 8;
  • FIG. 10 is a schematic view showing a state in which the pump is coupled to the cover of FIG. 8;
  • FIG. 11 is an enlarged view of part C of FIG. 10;
  • the cover according to the embodiment of the present invention can be applied to the closed container according to the embodiment of the present invention.
  • the closed container to which the cover is applied will be mainly described.
  • FIGS. 1 to 11 An airtight container according to an embodiment of the present invention will be described with reference to FIGS. 1 to 11 .
  • FIG. 1 is a perspective view showing an airtight container according to an embodiment of the present invention
  • FIG. 2 is a perspective view showing the cover of FIG. 1
  • FIG. 3 is an exploded perspective view of FIG. 2
  • FIG. 4 is a line IV-IV of FIG. A cross-sectional view taken along
  • Figure 5 is an enlarged view of part A of Figure 4
  • Figure 6 is an exploded cross-sectional view of Figure 4
  • Figure 7 is a separated cross-sectional view of the container body and cover of Figure 1
  • Figure 8 is a combination of Figure 7 A cross-sectional view
  • FIG. 9 is an enlarged view of part A of FIG. 8
  • FIG. 10 is a schematic view showing a state in which a pump is coupled to a cover of FIG. 8, and
  • FIG. 11 is an enlarged view of part C of FIG.
  • the airtight container 1 includes a container body 10 and a cover 20, and improves the sealing power with a double sealing structure to increase the shelf life of food.
  • the storage space 11 is open to the upper surface of the container body 10 .
  • the shape of the container body 10 seen from a plane is a rectangle. However, the shape of the container body 10 viewed from a plane may be circular.
  • the container body 10 may be made of plastic, metal, glass or the like.
  • the cover 20 is disposed on the upper surface of the container body 10 to seal the storage space 11 .
  • the cover 20 blocks food in the storage space 11 from coming into contact with outside air.
  • the cover 20 increases airtightness so that the storage space 11 can maintain a vacuum state.
  • the cover 20 includes a cover body 21 , a valve 22 , a first sealing member 23 and a second sealing member 25 .
  • the cover 20 may further include a fixing frame 24 .
  • the lid body 21 is disposed on the upper surface of the container body 10, and its lower surface is coupled with the container body 10.
  • the shape of the lid body 21 when viewed in plan is formed to correspond to that of the container body 10 .
  • the cover body 21 may be made of the same material as the container body 10 . However, the cover body 21 may also be made of plastic.
  • the upper surface of the cover body 21 is formed concave as a whole.
  • a seating groove 211 having a predetermined diameter is formed on the upper surface of the cover body 21 .
  • the seating groove 211 is formed by recessing a central part of the upper surface of the cover body 21 .
  • the bottom of the seating groove 211 is formed in a plane and the circumferential surface is formed in an inclined plane. Accordingly, the cross-sectional area becomes narrower toward the bottom of the seating groove 211 from the upper surface of the cover body 21 .
  • a pump 30 for forcibly discharging air from the storage space 11 may be coupled to the seating groove 211 .
  • a suction driver is installed inside the pump 30, and air in the storage space 11 can be discharged to the outside of the container body 10 by driving the suction driver.
  • the suction actuator may be a motor using electric energy or a piston structure that can be directly operated by a user.
  • a valve hole 212 vertically penetrating the bottom is formed.
  • the diameter of the valve hole 212 is smaller than the diameter of the seating groove 211 .
  • a protrusion 213 is formed on the lower surface of the cover body 21 .
  • the protruding portion 213 protrudes from a position spaced apart from the edge of the lower surface of the cover body 21 in the inward direction.
  • a first sealing groove 214 is formed on the lower surface of the protrusion 213 toward the inside of the protrusion 213 .
  • the first sealing groove 214 is continuously formed in a closed loop shape along the protrusion 213 .
  • the first sealing groove 214 is formed in a form in which the cross-sectional area becomes narrower from the lower surface of the protruding portion 213 toward the inside. Accordingly, at least one of the circumferential surfaces constituting the first sealing groove 214 is formed as an inclined surface.
  • the outer surface 213a of the protrusion 213 faces the inner surface 13 of the container body 10 at a distance.
  • a second sealing groove 215 is formed on the lower surface of the portion L between the edge of the cover body 21 and the protrusion 213.
  • the second sealing groove 215 is continuously formed in a closed loop shape along the edge of the cover body 21 .
  • the circumferential surface of the second sealing groove 215 is formed in a plane.
  • the first sealing member 23 includes a sealing body 231 and a sealing wing 232 .
  • the sealing body 231 forms one side of the first sealing member 23 and is inserted along the first sealing groove 214 and disposed along the protrusion 213 .
  • the sealing wing 232 forms the other side of the first sealing member 23 and is connected to the sealing body 231 .
  • the sealing wing 232 is not inserted into the first sealing groove 214 .
  • the sealing wing 232 protrudes outward from the protrusion 213 in the sealing body 231 and out of the protrusion 213 .
  • the sealing wing 232 faces the edge of the cover body 21 where the second sealing groove 215 is formed at a distance. Ends of the sealing wings 232 may come into contact with the inner surface of the container body 10 when the cover body 21 and the container body 10 are coupled.
  • the sealing wing 232 gradually becomes thinner as it moves away from the sealing body 231 . Accordingly, the sealing wing 232 may be bent when in contact with the inner surface of the container body 10 . Air in the storage space 11 is not discharged between the lid body 21 and the container body 10 by the first sealing member 23 . Accordingly, the storage space 11 maintains confidentiality.
  • the inside of the first sealing member 23 is filled and may be made of silicon.
  • the first sealing member 23 may include an antibacterial material.
  • the first sealing member 23 is not limited to silicon.
  • the fixing frame 24 includes a fixing body 241 and a fixing support 242 , and is inserted into the first sealing groove 214 to fix the first sealing member 23 to the cover body 21 .
  • the fixed body 241 is inserted along the first sealing groove 214 together with the sealing body 231 .
  • the fixed body 241 has no change in cross-sectional area.
  • the sealing body 231 becomes the fixed body ( 241) and the inclined surface of the first sealing groove 214 may be further compressed. Accordingly, the sealing body 231 does not fall out of the first sealing groove 214 and maintains a firmly fixed state.
  • the fixing support 242 protrudes from the fixing body 241 toward the outside of the protrusion 213 .
  • the fixing support 242 supports a portion of the sealing body 231 and the sealing wing 232.
  • the fixing frame 24 and the cover body 21 may be coupled by ultrasonic welding.
  • the fixing frame 24 may be made of the same material as the cover body 21 .
  • the fixing frame 24 may be made of plastic having higher strength than the first sealing member 23 .
  • the second sealing member 25 is separated from the first sealing member 23 and is disposed in the second sealing groove 215 .
  • the second sealing member 25 may be pressed by the upper surface of the container body 10 when the cover body 21 is coupled with the container body 10 .
  • the second sealing member 25 does not deviate from the range of the second sealing groove 215 .
  • a first buffer groove 251 and a second buffer groove 252 are formed on the outer surface of the second sealing member 25 in contact with the circumferential surface of the second sealing groove 215 .
  • the first buffer groove 251 and the second buffer groove 252 are partitioned.
  • an insertion groove 253 into which a portion of the upper side of the container body 10 is inserted is formed at a portion of the second sealing member 25 that contacts the upper surface of the container body 10 .
  • the upper surface, the inner surface, and a portion of the outer surface of the container body 10 come into contact with the circumference of the insertion groove 253.
  • the insertion groove 253 is formed in a shape in which the cross-sectional area becomes narrower from the outer surface of the second sealing member 25 to the inside.
  • the second sealing member 25 may be compressed between the container cover 20 and the container body 10.
  • the first buffer groove 251 and the second buffer groove 252 can exert a buffering force while reducing their cross-sectional area.
  • the insertion groove 253 may be omitted.
  • the portion of the second sealing member 25 in contact with the upper surface of the container body 10 may be formed as a plane.
  • the inside of the second sealing member 25 is filled and may be made of the same material as the first sealing member 23 .
  • the first sealing member 23 disposed on the protrusion 213 and the second sealing member 25 disposed on the edge of the lower surface of the cover body 21 have a step difference.
  • the first sealing member 23 is located below the second sealing member 25 based on the upper surface of the cover body 21 .
  • the first sealing member 23 is located inside the cover body 21 more than the second sealing member 25. Accordingly, when the cover body 21 and the container body 10 are coupled, the first sealing member 23 comes into primary contact with the container body 10 and the second sealing member 25 comes into secondary contact.
  • the valve 22 is disposed on the cover body 21 and regulates the flow direction of the air flowing through the valve hole 212 so that the air in the storage space 11 passes through the valve hole 212 to the container body 10. to be discharged to the outside. In addition, the valve 22 prevents external air from the container body 10 from flowing into the storage space 11 through the valve hole 212 .
  • a valve 22 includes a valve body 221, a first locking jaw 222, a second locking jaw 223, a flange 224, and a handle 225, and may be made of elastic silicone. .
  • valve body 221 is inserted into the valve hole 212, and the lower side protrudes from the lower surface of the cover body 21 to be positioned in the storage space 11.
  • a flow hole 221a is formed in the valve body 221 vertically through the inner center and from the outer surface to the inside. When the cover 20 and the container body 10 are coupled, air in the storage space 11 may be discharged through the flow hole 221a.
  • the first locking jaw 222 protrudes outward from the outer surface of the valve body 221 .
  • the first locking jaw 222 is formed in plurality at intervals along the circumferential direction of the valve body 221 .
  • the first locking jaw 222 may contact the lower surface of the cover body 21 to block the valve body 221 from moving in the direction of the seating groove 211 in the valve hole 212 .
  • the second locking jaw 223 protrudes outward from the lower side of the valve body 221 apart from the first locking jaw 222 .
  • the protruding length of the second locking jaw 223 is longer than the protruding length of the first locking jaw 222 .
  • the second locking jaw 223 is formed in plurality at intervals along the circumferential direction of the valve body 221 .
  • the second locking jaw 223 is spaced apart from the lower surface of the cover body 21 .
  • the second locking jaw 223 is in contact with the lower surface of the cover body 21 when the first locking jaw 222 does not block the movement of the valve body 221, so that the valve body 221 is in the valve hole 212. It can be blocked so as not to move in the direction of the seating groove 211 .
  • Flange 224 is coupled to the valve body 221 in the seating groove (211).
  • the lower surface of the flange 224 is in close contact with the bottom of the seating groove 211 . Since the first locking jaw 222 comes into contact with the lower surface of the cover body 21 , the flange 224 can continuously maintain a state in close contact with the bottom of the seating groove 211 . However, the flange 224 may be separated from the bottom of the seating groove 211 by an external force. At this time, air in the storage space 11 may be discharged to the outside of the container body 10 through the flow hole 221a.
  • the lower surface of the flange 224 is formed concave upward, and the lower surface edge portion is in close contact with the bottom of the seating groove 211.
  • the diameter of the flange 224 is larger than the diameter of the valve hole 212 and smaller than the bottom diameter of the seating groove 211 .
  • the handle 225 protrudes upward from the upper side of the valve body 221 and is located in the seating groove 211 .
  • a locking groove 225a for gripping the handle 225 is formed on the outer circumference of the handle 225 .
  • the locking groove 225a is continuously formed in the circumferential direction around the outer circumference of the handle 225 .
  • the sealing wings 232 protrude outward from the protrusion 213 , which is the edge of the cover body 21 . Accordingly, the end portion 232a of the sealing wing 232 faces the upper surface 12 beyond the inner surface 13 of the container body 10.
  • the sealing wings 232 come into contact with the inner surface of the container body 10 .
  • the sealing wing 232 moves along the inner surface while being bent in the direction of the upper surface of the container body 10 while in contact with the inner surface.
  • the bottom portion of the container body 10 forming the protrusion 213 and the seating groove 211 flows into the storage space 11 .
  • pressure may be applied to the storage space 11. Air in the storage space 11 may be discharged through the valve hole 212 as much as the volume the cover body 21 occupies in the storage space 11 by pressure. At this time, the flange 224 may be separated from the bottom of the seating groove 211 by the pressure of the discharged air. After the air is discharged, the flange 224 may come into close contact with the seating groove 211 again.
  • the air in the storage space 11 is blown away from the sealing wing 232 before the second sealing member 25 comes into contact with the upper surface 12 of the container body 10. It may be discharged through the inner surface 13 of the container body 10.
  • the user pulls the valve 22 upward using the locking groove 225a of the handle 225 to place the flange 224 in the seating groove 211. You can drop it off the floor. In this case, since the valve hole 212 is in an open state, the flow of air is facilitated so that the cover body 21 and the container body 10 can be easily coupled.
  • the pressure in the storage space 11 and the external pressure of the container body 10 maintain the same pressure.
  • the flange 224 is in close contact with the bottom of the seating groove 211 by an elastic force.
  • the air in the storage space 11 is discharged to the outside of the airtight container 1. It doesn't work. Also, outside air of the airtight container 1 does not flow into the storage space 11 . Accordingly, contact of the food in the storage space 11 with the outside air of the airtight container 1 is minimized, and deterioration of the food can be minimized.
  • the pump 30 is placed in the seating groove 211 in a state where the cover body 21 and the container body 10 are coupled to each other. .
  • the pump 30 is in close contact with the bottom of the seating groove 211 and generates a suction force.
  • the flange 224 is separated from the bottom of the seating groove 211 by the suction force of the pump 30 . Accordingly, while the suction part of the pump 30 is connected to the storage space 11 through the flow hole 221a, the pump 30 forcibly discharges air from the storage space 11.
  • the storage space 11 may be in a vacuum state by discharging air. At this time, the cover body 21 can move toward the bottom of the storage space 11, and the upper side of the container body 10 is further inserted into the insertion groove 253.
  • the second sealing member 25 is pressed between the upper side of the container body 10 and the cover body 21, and while the cross-sectional area of the first buffer groove 251 and the second buffer groove 252 decreases, the second The sealing member 25 may be compressed between the container body 10 and the upper side of the container body 10 .
  • the flange 224 separated from the bottom of the seating groove 211 is in close contact with the bottom of the seating groove 211.
  • the valve 22 is pulled toward the bottom of the storage space 11, and the flange 224 can maintain a state in close contact with the bottom of the seating groove 211.
  • the second sealing member 25 is compressed between the upper side of the container body 10 and the cover body 21, so that the container body 10 and the cover body 21
  • the confidentiality between the storage space 11 can be continuously maintained in a vacuum state.
  • the first sealing member 23 and the second sealing member 25 block the inflow of outside air into the storage space 11, thereby preventing food from deteriorating due to contact with outside air. .
  • the second sealing member 25 when the storage space 11 is formed in a vacuum state, the second sealing member 25 is compressed between the upper surface of the container body 10 and the lid body 21 to maintain airtightness, thereby maintaining a vacuum state. can be sustained This can extend the freshness of food.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)

Abstract

La présente invention concerne un récipient scellé comprenant : un couvercle ; et un corps principal de récipient dans lequel est formé un espace de stockage, qui est ouvert sur une surface supérieure, le couvercle étant disposé sur la surface supérieure ouverte du corps principal de récipient pour sceller l'espace de stockage. Le couvercle du récipient scellé comprend : un corps principal de couvercle à l'intérieur duquel un trou de soupape est formé ; une soupape située dans le trou de soupape pour commander l'écoulement d'air ; un premier élément d'étanchéité qui est accouplé au corps principal de couvercle et qui peut être en contact avec la surface interne du corps principal de récipient dans lequel des contenus sont contenus ; et un second élément d'étanchéité qui est accouplé au corps principal de couvercle à l'opposé du premier élément d'étanchéité et qui peut être mis sous pression par la surface supérieure du corps principal de récipient.
PCT/KR2022/005192 2021-05-14 2022-04-11 Couvercle et récipient scellé comprenant celui-ci WO2022239973A1 (fr)

Applications Claiming Priority (2)

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KR10-2021-0062601 2021-05-14
KR1020210062601A KR102352535B1 (ko) 2021-05-14 2021-05-14 덮개 및 이를 포함하는 밀폐 용기

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WO2022239973A1 true WO2022239973A1 (fr) 2022-11-17

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KR102352535B1 (ko) * 2021-05-14 2022-01-17 정병찬 덮개 및 이를 포함하는 밀폐 용기

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KR100648004B1 (ko) * 2005-11-01 2006-11-23 하나코비 주식회사 진공밸브 작동식의 밀폐 용기 뚜껑
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KR20140062397A (ko) * 2012-11-14 2014-05-23 쓰리웨이테크놀러지(주) 밀폐용기
EP3372526A1 (fr) * 2017-03-10 2018-09-12 Shin Hung Yih Technology Co., Ltd. Couvercle de récipient facilitant la création d'une pression négative et d'un scellement à long terme
KR102352535B1 (ko) * 2021-05-14 2022-01-17 정병찬 덮개 및 이를 포함하는 밀폐 용기

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KR100837365B1 (ko) 2007-07-27 2008-06-12 광운대학교 산학협력단 룩업 테이블을 이용한 컴퓨터 형성 홀로그램 생성과 재생방법 및 그 장치
KR101348305B1 (ko) 2012-01-20 2014-01-08 구홍식 밀폐용기 및 밀폐용기용 커버

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060116628A (ko) * 2005-05-11 2006-11-15 이원명 개폐가 용이한 식품용 밀폐용기
KR100648004B1 (ko) * 2005-11-01 2006-11-23 하나코비 주식회사 진공밸브 작동식의 밀폐 용기 뚜껑
KR20110052267A (ko) * 2009-11-12 2011-05-18 (주)바코마 진공 패킹이 설치된 진공 용기
KR20140062397A (ko) * 2012-11-14 2014-05-23 쓰리웨이테크놀러지(주) 밀폐용기
EP3372526A1 (fr) * 2017-03-10 2018-09-12 Shin Hung Yih Technology Co., Ltd. Couvercle de récipient facilitant la création d'une pression négative et d'un scellement à long terme
KR102352535B1 (ko) * 2021-05-14 2022-01-17 정병찬 덮개 및 이를 포함하는 밀폐 용기

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