EP2059450B1 - Storage cover for storage case - Google Patents
Storage cover for storage case Download PDFInfo
- Publication number
- EP2059450B1 EP2059450B1 EP07808079.3A EP07808079A EP2059450B1 EP 2059450 B1 EP2059450 B1 EP 2059450B1 EP 07808079 A EP07808079 A EP 07808079A EP 2059450 B1 EP2059450 B1 EP 2059450B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- storage case
- storage
- cover
- cover unit
- flexible rim
- 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.)
- Active
Links
- 230000003014 reinforcing effect Effects 0.000 claims description 35
- 238000009423 ventilation Methods 0.000 claims description 14
- 239000013013 elastic material Substances 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 2
- 229920001296 polysiloxane Polymers 0.000 claims 2
- 239000000463 material Substances 0.000 description 12
- 230000008878 coupling Effects 0.000 description 11
- 238000010168 coupling process Methods 0.000 description 11
- 238000005859 coupling reaction Methods 0.000 description 11
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 229920003002 synthetic resin Polymers 0.000 description 4
- 239000000057 synthetic resin Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Images
Classifications
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- 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
- B65D43/00—Lids or covers for rigid or semi-rigid containers
- B65D43/02—Removable lids or covers
- B65D43/0202—Removable lids or covers without integral tamper element
- B65D43/0204—Removable lids or covers without integral tamper element secured by snapping over beads or projections
- B65D43/0212—Removable lids or covers without integral tamper element secured by snapping over beads or projections only on the outside, or a part turned to the outside, of the mouth
-
- 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
- B65D43/00—Lids or covers for rigid or semi-rigid containers
- B65D43/02—Removable lids or covers
-
- 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
- B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
- B65D41/02—Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
- B65D41/22—Caps or cap-like covers with elastic parts adapted to be stretched over the container
-
- 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
- B65D51/16—Closures not otherwise provided for with means for venting air or gas
-
- 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
- B65D51/16—Closures not otherwise provided for with means for venting air or gas
- B65D51/1633—Closures not otherwise provided for with means for venting air or gas whereby venting occurs by automatic opening of the closure, container or other element
- B65D51/1644—Closures not otherwise provided for with means for venting air or gas whereby venting occurs by automatic opening of the closure, container or other element the element being a valve
- B65D51/165—Closures not otherwise provided for with means for venting air or gas whereby venting occurs by automatic opening of the closure, container or other element the element being a valve formed by a slit or narrow opening
-
- 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
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00018—Overall construction of the lid
- B65D2543/00064—Shape of the outer periphery
- B65D2543/00074—Shape of the outer periphery curved
- B65D2543/00092—Shape of the outer periphery curved circular
-
- 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
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00018—Overall construction of the lid
- B65D2543/00259—Materials used
- B65D2543/00296—Plastic
-
- 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
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00018—Overall construction of the lid
- B65D2543/00259—Materials used
- B65D2543/00314—Combination, e.g. laminates, several different materials
-
- 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
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00342—Central part of the lid
- B65D2543/00398—Reinforcing ribs in the central part of the closure
- B65D2543/00416—Reinforcing ribs in the central part of the closure circular
-
- 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
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00444—Contact between the container and the lid
- B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
- B65D2543/0049—Contact between the container and the lid on the inside or the outside of the container on the inside, or a part turned to the inside of the mouth of the container
- B65D2543/00527—NO contact
-
- 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
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00444—Contact between the container and the lid
- B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
- B65D2543/00537—Contact between the container and the lid on the inside or the outside of the container on the outside, or a part turned to the outside of the mouth of the container
-
- 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
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00953—Sealing means
- B65D2543/0099—Integral supplemental sealing lips
Definitions
- the present invention relates to a storage cover for a storage case, and more particularly to, a storage cover for a storage case capable of being easily used by pulling back upper and lower parts to simply perform opening and closing operations and of maintaining airtight coupling force in spite of the repeated opening and closing operations.
- a storage case for keeping stored goods for example, food
- a storage cover for opening and closing the opening of the storage case are airtightly coupled with each other to keep the stored goods contained in the storage case for a long time or to maintain the freshness of the stored goods.
- locking units for coupling the storage case and the storage cover with each other are provided.
- the locking units are foldably provided on the sides of the storage cover and are coupled with and released from the coupling protrusions formed on the external rim of the storage case.
- the locking units integrated with the storage cover to be folded are torn by the folding operation repeated for several times or the gap between the storage case and the storage cover improves when the storage case and the storage cover are used for a long time, the airtightness between the storage case and the storage cover remarkably deteriorates in comparison with initial airtightness.
- the storage cover made of flexible rubber or synthetic resin is thin, the storage cover is easily transformed and twisted.
- the storage cover is vulnerable to heat (for example, the storage cover is transformed when the heat of no less than 50 C is applied), it is not possible to heat the storage case and the storage cover to sterilize the storage case and the storage cover.
- KR 100 593 726 B1 discloses a storage cover having an undulated flexible rim, the undulated rim comprising peakes and valleys, each peak comprising a grip area which is to be pulled when opening or closing a storage case with said storage cover.
- KR 200 373 749 Y1 and WO 2005/021398 A each disclose a storage cover having a flexible rim which may be bent over the edge of the storage case by the force of two hands.
- the present invention has been made in view of the above problems, and it is an object of the present invention to provide a storage cover for a storage case capable of being easily used by pulling back upper and lower parts to simply perform opening and closing operations and of maintaining airtight coupling force in spite of the repeated opening and closing operations.
- a storage cover 100 for a storage case 200 as set out in appended claim 1, for opening and closing an opening 210 formed on one side of a storage case 200 to take in and out stored goods.
- the storage cover 100 for the storage case 200 includes a plate-shaped cover unit 110 for covering the upper part of the opening 210 and a flexible rim 140 extended along the edge of the cover unit 110 in the direction of the thickness of the cover unit 110, made of an elastic material to be elastically extended, and pulled back toward the upper part of the cover unit 110 when the opening 210 is opened and pulled back toward the lower part of the cover unit 110 when the opening 210 is closed to surround the external circumference of the opening 210.
- the cover unit 110 further includes a plurality of settling protrusions 111 that protrude toward the storage case 200.
- the settling protrusions 111 can be separated from the flexible rim 140 by no less than the thickness tl of the side walls of the storage case 200 to guide the cover unit 110 so that the cover unit 110 is settled in the correct position of the opening 210.
- the plurality of settling protrusions 111 can be connected to each other to be ring-shaped.
- At least one airtight protrusions 142a that protrude toward the side walls 214 of the storage case 200 to be connected to the side walls 214 to improve airtightness can be further formed in at least one of the settling protrusions 111 and the flexible rim 140.
- the airtight protrusions 142a can be provided as wrinkled airtight protrusions 142b, as the wrinkled airtight protrusions 142b and protrusion-shed airtight protrusions 142c, or protrusion-shaped airtight protrusions 142d.
- Airtight protrusions 142e are protrusion-shaped and at least one airtight protrusions 142e can be selectively provided on both sides of the flexible rim 140 to correspond to both surfaces of the cover unit 110.
- the flexible rim 140 can be made of silicon having elasticity.
- cover unit 110 and the flexible rim 140 are made of silicon having elasticity and reinforcing units 120 that let the cover unit 110 maintain the original shape when the flexible rim 140 is pulled back can be further provided in the cover unit 110.
- the reinforcing units 120 can include reinforcing rings 121 adjacent to the edge of the cover unit 110 to be buried in the cover unit 110.
- the reinforcing units 120 can be provided to protrude toward the storage case 200 and can be separated from the flexible rim 140 by no less than the thickness of the side walls of the storage case 200 to guide the cover unit 110 so that the cover unit 110 is settled in the correct position of the opening 210.
- At least one airtight protrusions 142a and 142f that protrude toward the side walls 214 of the storage case 200 to be connected to the side walls 214 to improve airtightness can be formed in at least one of the reinforcing units 120 and the flexible rim 140.
- Airtight protrusion accommodating units 212 in which the airtight protrusions 142c are accommodated and from which the airtight protrusions 212 are released are provided on the side walls 214 so that the airtight protrusions 142c are inserted into the airtight protrusion accommodating units 212 when the opening 210 is closed to prevent the storage case 200 from being deviated from the storage cover 100.
- the airtight protrusions 142a can be wrinkled.
- the cover unit 110 can further include at least one ventilation units 150 for introducing and discharging the air to the inside and outside of the storage case 200 when the opening 210 is closed.
- the ventilation unit 150 can include a ventilation hole 152 opened when external force is applied to discharge the air in the storage case 200 to the outside and closed when external force is removed to prevent the air from being introduced to the storage case 200.
- the flexible rim 140 can be provided to have a thickness no less than the thickness of a strap hinge 130 connected to the cover unit 110.
- FIG. 1 is a perspective view illustrating a storage cover according to an embodiment of the present invention
- FIG. 2 is a sectional view illustrating the storage cover provided with a cover unit made of a hard material according to an embodiment of the present invention
- FIG. 3 is a sectional view taken along the line A-A' of FIG. 1 ;
- FIG. 4 is a sectional view taken along the line B-B' of FIG. 1 ;
- FIG. 5 is a sectional view illustrating a storage cover provided with a reinforcing unit according to another embodiment of the present invention.
- FIG. 6 is a sectional view illustrating airtight protrusions and a reinforcing ring according to an embodiment of the present invention
- FIG. 7 is a sectional view illustrating airtight protrusions and a reinforcing ring according to another embodiment of the present invention.
- FIG. 8 is a sectional view illustrating airtight protrusions and a reinforcing ring according to still another embodiment of the present invention.
- FIG. 9 is a sectional view illustrating a state before the storage case and the storage cover according to an embodiment of the present invention are coupled with each other;
- FIG. 10 is a sectional view illustrating a state where the storage case and the storage cover of FIG. 9 are coupled with each other;
- FIG. 11 is a sectional view illustrating a state where a ventilation unit is protruded by internal air or heat in the cover unit according to an embodiment of the present invention
- FIG. 12 is a sectional view illustrating a state where the internal air of the storage case according to an embodiment of the present invention is discharged to the outside by the pressure of a user;
- FIG. 13 is a perspective view illustrating a state where a flexible rim according to an embodiment of the present invention is pulled back;
- FIG. 14 is a sectional view illustrating the storage cover according to another embodiment of the present invention.
- FIG. 15 is a sectional view illustrating the storage cover according to still another embodiment of the present invention.
- FIG. 1 is a perspective view illustrating a storage cover according to an embodiment of the present invention.
- a storage cover 100 for a storage case 200 (refer to FIG. 9 ) according to an embodiment of the present invention for opening and closing an opening part 210 that is formed on one side of the storage case 200 and through which stored goods are taken in and out includes a plate-shaped cover unit 110 for covering the upper part of the opening 210 and a flexible rim 140 extended along the edge of the cover unit 110 in the direction of the thickness of the cover unit 110, made of an elastic material to be elastically extended, and pulled back toward the upper part of the cover unit 110 when the opening 210 is opened and pulled back toward the lower part of the cover unit 110 when the opening 210 is closed to surround the external circumference of the opening 210.
- the storage case 200 is used to keep (for example, the stored goods are taken in the storage case and are kept in a refrigerator, indoors, and outdoors) the stored goods (for example, food).
- the opening 210 for taking in and out the stored goods is provided on one side of the storage case 200.
- airtight protrusion accommodating units 212 for coupling the storage cover 100 can be provided on the side walls 214 of the storage case 200.
- FIG. 2 is a sectional view illustrating the storage cover 100 provided with the cover unit 110 made of a hard material according to an embodiment of the present invention.
- the storage cover 100 is formed on one side of the storage case 200 to open and close the opening 210 through which the stored goods are taken in and out.
- the storage cover 100 can include the cover unit 110 for covering the upper part of the opening 210 and the flexible rim 140 pulled back toward the upper part and the lower part of the cover unit 110 to open and close the opening 210.
- the cover unit 110 can have various shapes.
- the storage case 200 is square box-shaped or cylindrical
- the cover unit 110 can be square or circular to correspond to the opening 210 of the storage case 200.
- the cover unit 110 can be made of various materials.
- the cover unit 110 in addition to the flexible rim 140, can be made of a hard material or a flexible material (for example, silicon) like the flexible rim.
- the thickness of the cover unit 110 can be 1mm to 3mm and can be preferably 2mm so that the original shape of the cover unit 110 is maintained or that a user has a proper sense of gripping.
- settling protrusions 111 that protrude toward the storage case 200 to guide the cover unit 110 so that the cover unit 110 is settled in the correct position of the opening 210 when the storage cover 100 is coupled with the storage case 200 can be provided in the cover unit 110.
- the settling protrusions 111 are preferably separated from the flexible rim 140 by no less than the thickness (refer to t1 of FIG. 2 ) of the side walls of the storage case 200 so that the side walls 214 of the storage case 200 are easily coupled.
- the settling protrusions 111 can have various shapes such as square protrusions or cylindrical protrusions.
- the settling protrusions 111 can be connected to each other to be ring-shaped or can be separated from each other.
- the settling protrusions 111 can be molded to be integrated with the cover unit 110 made of a hard material or can be separately formed to be attached to the cover unit 110.
- At least one airtight protrusions 142a that protrude toward the side walls 214 of the storage case 200 to be connected to the side walls 214 to improve airtightness can be provided in the settling protrusions 111.
- the airtight protrusions 142a can have various shapes.
- wrinkled airtight protrusions 142b can be provided, as illustrated in FIG. 7 , the wrinkled airtight protrusions 142b and protrusion-shaped airtight protrusions 142c can be provided together, or, as illustrated in FIG. 8 , protrusion-shaped airtight protrusions 142d can be additionally provided.
- the wrinkled airtight protrusions 142b are provided, the wrinkled parts are smoothed out in connection with the external circumferences of the side walls 214 of the storage case 200 to improve elasticity and the airtightness.
- the airtight protrusions 142c can correspond to the airtight protrusion accommodating units 212 provided on the side walls of the storage case 200.
- the airtight protrusions 142c are inserted into the airtight protrusion accommodating units 212 when the storage case 200 and the storage cover 100 are coupled with each other to prevent the storage case 200 from deviating from the storage cover 110 when the opening 210 is closed.
- the airtight protrusions 142a, 142b, 142c, and 142d are airtightly attached to the internal and external circumferences of the side walls 214 of the storage case 200 to prevent the stored goods from leaking to the gap that can be generated between the storage case 200 and the storage cover 100 that are coupled with each other when the storage case 200 is inclined or shaken or external shock is generated.
- the airtight protrusions 142a, 142b, 142c, and 142d can be band-shaped to be connected to the flexible rim 140 or can be separated from the flexible rim 140.
- Airtight protrusions 142e are protrusion-shaped and, as illustrated in FIG. 14 , at least one airtight protrusions 142e can be selectively provided on both sides of the flexible rim 140 to correspond to both surfaces of the cover unit 110.
- a ventilation unit 150 is provided in the cover unit 110 to introduce and discharge the air to the inside and the outside of the storage case 200 when the opening 210 is closed.
- the ventilation unit 150 can include protrusion jaws 151 formed to protrude above the upper and lower surfaces in the center of the cover unit 110 and a ventilation hole 152 provided to penetrate the protrusion jaws 151.
- the protrusion jaws 151 can be provided so that the upper and lower widths of both ends are reduced in the center.
- the ventilation hole 152 can have various shapes. For example, as illustrated in FIGs. 3 and 4 taken along the lines A-A' and B-B' the ventilation hole 152 can be provided to correspond to the section of a straight screwdriver.
- reinforcing units 120 are provided in the cover unit 110 so that the original shape of the cover unit 110 is maintained when the flexible rim 140 is pulled back.
- the thickness of the cover unit 110 can be 1mm to 3mm and can be preferably 2mm so that the cover unit 110 is prevented from being torn or that a user has a proper sense of gripping.
- the reinforcing units 120 can have the same function as the above-described settling protrusions 111, the reinforcing units 120 are separated from the flexible rim 140 by no less than the thickness (refer to tl of FIG. 3 ) of the side walls of the storage case 200 and protrude toward the storage case 200 by no less than a predetermined length.
- the reinforcing units 120 prevent the cover unit 110 from being pulled back in the position where reinforcing rings 121 are provided when the flexible rim 140 is pulled back toward the upper and lower parts to prevent the cover unit 110 from being transformed (for example, to prevent the cover unit 110 from being concavely folded).
- At least one airtight protrusions 142a and 142f that protrude toward the side walls 214 of the storage case 200 to be connected to the side walls 214 to improve the airtightness can be provided in the reinforcing units 120.
- the airtight protrusions 142a and 142f can have various shapes such as protrusions or wrinkles.
- the airtight protrusions 142a and 142f have the same function as the above-described airtight protrusions 142b, 142c, 142d, and 142e.
- the reinforcing units 120 include the reinforcing rings 121 adjacent to the edge of the cover unit 110 to be buried and protecting plates 122 for surrounding the reinforcing rings 121 to protect the reinforcing rings 121.
- the reinforcing rings 121 can have various shapes.
- the reinforcing rings 121 can be pipe-shaped so that the section of each of the reinforcing rings 121 has a space in the center or, as illustrated in FIGs. 7 and 8 , the reinforcing rings 121 can be rod-shaped.
- the section of each of the reinforcing rings 121 can be square or circular.
- the shape of the section of each of the reinforcing rings 121 is not limited to the above.
- the reinforcing rings 121 can be made of various materials such as metal or synthetic resin having large hardness.
- the reinforcing rings 121 can be made of the same material as the cover unit 110 or can be made of a different material from the cover unit 110.
- the flexible rim 140 is extended in the direction of the thickness of the cover unit 110, is made of an elastic material to be elastically extended, and is pulled back toward the upper part of the cover unit 110 when the opening 210 is opened and pulled back toward the lower part of the cover unit 110 when the opening 210 is closed to surround the external circumference of the opening 210.
- the flexible rim 140 can have various shapes. For example, as illustrated in FIG. 2 , the flexible rim 140 is provided so that one surface connected to the external circumferences of the side walls 214 is flat (for example, the flexible rim 140 is straight), as illustrated in FIG. 3 , the flexible rim 140 is provided to have the same thickness (refer to t3 of FIG. 3 ) in a predetermined area, or, as illustrated in FIG. 5 , the flexible rim 140 is provided to become thick from the cover unit 110 (for example, the end is club-shaped).
- the flexible rim 140 can have various thicknesses.
- the thickness of the flexible rim 140 is preferably no less than the thickness (refer to t2 of FIG. 3 ) of a strap hinge 130 connected to the cover unit 110.
- the thickness of the center of the flexible rim 140 can be 3.5mm to 5mm and is preferably 4.2mm so that coupling force is optimized when the flexible rim 140 is connected to the external circumference of the storage case 200.
- the flexible rim 140 can maintain a smaller diameter than the external diameter of the cover unit 110.
- the flexible rim 140 can be used in a state of being pulled back on one side regardless of the upper and lower sides based on the cover unit 110.
- the flexible rim 140 is elastically extended and maintains the state of being pulled back to the opposite side of the storage case 200 when the flexible rim 140 is released from the storage case 200 in order to take the stored goods in the storage case 200 or to take out the stored goods from the storage case 200.
- the flexible rim 140 is elastically extended and is pulled back toward the storage case 200 to surround the external circumference of the opening 210 when the flexible rim 140 is coupled with the storage case 200 in a state where the stored goods are taken in the storage case 200 or the stored goods are taken out from the storage case 200.
- the flexible rim 140 is connected to the external circumferences of the side walls 214 of the storage case 200 so that at least one airtight protrusions 142a, 142b, 142c, 142d, and 142e that improve the airtightness can be provided.
- the airtight protrusions 142a, 142b, 142c, 142d, and 142e perform the same function as the above-described airtight protrusions.
- the strap hinge 130 is provided to connect the cover unit 110 and the flexible rim 140 to each other so that the cover unit 110 and the flexible rim 140 are integrated with each other.
- the strap hinge 130 is formed on the circumference of the cover unit 110 so that the external surface of the strap hinge 130 has an inclined surface 131.
- the inclined surface 131 of the strap hinge 130 can be provided to have a downward inclined angle of 40°to 50°.
- the downward inclination angle is preferably 45°in order to prevent the thickness of the strap hinge 130 from being reduced so that the life is reduced when the angle of the inclined surface 131 is smaller than 40°or to prevent the thickness of the strap hinge 130 from increasing so that excessive force is applied when the flexible rim 140 is pulled back toward the upper part of the cover unit 110 in a case where the angle of the inclined surface 131 is larger than 50°.
- the thickness of the strap hinge 130 can be 0.7mm to 1.5mm and is preferably 1.1mm so that the flexible rim 140 can be easily pulled back toward the upper and lower parts.
- FIG. 9 is a sectional view illustrating a state before the storage case and the storage cover according to an embodiment of the present invention are coupled with each other.
- the flexible rim 140 is pulled back to the opposite side (that is, the upper part of the cover unit 110) of the storage case 200 before the storage case 200 and the storage cover 100 are coupled with each other.
- the cover unit 110 is settled in the opening 210 of the storage case 200.
- the flexible rim 140 when the flexible rim 140 is pulled back toward the lower part, as illustrated in FIG. 10 , the flexible rim 140 surrounds the external circumference of the opening 210 of the storage case 200 to be closed.
- the airtight protrusions 142a, 142b, 142c, 142d, and 142e are provided in at least one of the settling protrusions 111, the reinforcing parts 120, and the flexible rim 140, the coupling force between the storage case 200 and the storage cover 100 improves and the airtightness improves.
- the released cover unit 110 is deviated from the opening 210 of the storage case 200 to take the stored goods in the storage case 200 or to take out the stored goods from the storage case 200.
- the opening and closing operations can be simply performed by pulling back the upper and lower parts by the one-touch method and the airtight coupling force can be maintained in spite of the repeated opening and closing operations.
- the storage cover is made of flexible rubber or synthetic resin, the storage cover is prevented from being transformed and twisted due to the reinforcing units.
- the storage cover is made of flexible silicon, the original coupling force and airtightness can be maintained although the storage cover is used for a long time.
- the internal and external sides of the flexible rim integrated with the circumference of the cover unit have the same structure and function so that both surfaces of the storage cover can be used regardless of the upper and lower sides of the storage cover.
- the air or heat in the storage case can be discharged to the outside in a state where the storage cover is not opened so that the freshness of the food kept in the storage case can be maintained.
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Description
- The present invention relates to a storage cover for a storage case, and more particularly to, a storage cover for a storage case capable of being easily used by pulling back upper and lower parts to simply perform opening and closing operations and of maintaining airtight coupling force in spite of the repeated opening and closing operations.
- In general, a storage case for keeping stored goods (for example, food) and a storage cover for opening and closing the opening of the storage case are airtightly coupled with each other to keep the stored goods contained in the storage case for a long time or to maintain the freshness of the stored goods.
- Recently, various technologies of improving airtightness between the storage cover and the storage case when the storage cover and the storage case are coupled with each other are applied.
- For example, like in the lock and lock (the name of a product), a technology of airtightly coupling the storage cover and the storage case with each other so that the airtightness between the storage cover and the storage case is maintained to keep the stored goods is applied.
- In the case of the lock and lock and similar products, locking units for coupling the storage case and the storage cover with each other are provided.
- The locking units are foldably provided on the sides of the storage cover and are coupled with and released from the coupling protrusions formed on the external rim of the storage case.
- However, in the storage case and the storage cover that are coupled with and released from each other by the locking units, since the opening and closing operations of the storage cover coupled with and released from the storage case by operating the locking units (for example, the storage case is held by one hand and the storage cover is held by the other hand to perform opening and closing operations or, after one side of the storage cover is coupled with and released from the storage case, the same operation is repeated for several times in different parts to perform the opening and closing operations) are very complicated, it is inconvenient to use the storage case and the storage cover.
- In addition, since the locking units integrated with the storage cover to be folded are torn by the folding operation repeated for several times or the gap between the storage case and the storage cover improves when the storage case and the storage cover are used for a long time, the airtightness between the storage case and the storage cover remarkably deteriorates in comparison with initial airtightness.
Furthermore, since the storage cover made of flexible rubber or synthetic resin is thin, the storage cover is easily transformed and twisted.
In addition, since the storage cover is vulnerable to heat (for example, the storage cover is transformed when the heat of no less than 50 C is applied), it is not possible to heat the storage case and the storage cover to sterilize the storage case and the storage cover.
KR 100 593 726 B1
KR 200 373 749 Y1 WO 2005/021398 A each disclose a storage cover having a flexible rim which may be bent over the edge of the storage case by the force of two hands. - Therefore, the present invention has been made in view of the above problems, and it is an object of the present invention to provide a storage cover for a storage case capable of being easily used by pulling back upper and lower parts to simply perform opening and closing operations and of maintaining airtight coupling force in spite of the repeated opening and closing operations.
- It is another object of the present invention to provide a storage cover for a storage case that is prevented from being transformed and twisted by a reinforcing unit when the storage cover is made of flexible rubber or synthetic resin. Technical Solution
- In order to accomplish the above and other objects, there is provided a
storage cover 100 for astorage case 200 as set out in appended claim 1, for opening and closing anopening 210 formed on one side of astorage case 200 to take in and out stored goods. Thestorage cover 100 for thestorage case 200 includes a plate-shaped cover unit 110 for covering the upper part of theopening 210 and aflexible rim 140 extended along the edge of thecover unit 110 in the direction of the thickness of thecover unit 110, made of an elastic material to be elastically extended, and pulled back toward the upper part of thecover unit 110 when theopening 210 is opened and pulled back toward the lower part of thecover unit 110 when theopening 210 is closed to surround the external circumference of theopening 210. - The
cover unit 110 further includes a plurality of settlingprotrusions 111 that protrude toward thestorage case 200. The settlingprotrusions 111 can be separated from theflexible rim 140 by no less than the thickness tl of the side walls of thestorage case 200 to guide thecover unit 110 so that thecover unit 110 is settled in the correct position of theopening 210. - Here, the plurality of settling
protrusions 111 can be connected to each other to be ring-shaped. - At least one
airtight protrusions 142a that protrude toward theside walls 214 of thestorage case 200 to be connected to theside walls 214 to improve airtightness can be further formed in at least one of the settlingprotrusions 111 and theflexible rim 140. - Here, the
airtight protrusions 142a can be provided as wrinkledairtight protrusions 142b, as the wrinkledairtight protrusions 142b and protrusion-shedairtight protrusions 142c, or protrusion-shaped airtight protrusions 142d. - Airtight
protrusions 142e are protrusion-shaped and at least oneairtight protrusions 142e can be selectively provided on both sides of theflexible rim 140 to correspond to both surfaces of thecover unit 110. - The
flexible rim 140 can be made of silicon having elasticity. - In addition, the
cover unit 110 and theflexible rim 140 are made of silicon having elasticity and reinforcingunits 120 that let thecover unit 110 maintain the original shape when theflexible rim 140 is pulled back can be further provided in thecover unit 110. - The reinforcing
units 120 can include reinforcingrings 121 adjacent to the edge of thecover unit 110 to be buried in thecover unit 110. - The reinforcing
units 120 can be provided to protrude toward thestorage case 200 and can be separated from theflexible rim 140 by no less than the thickness of the side walls of thestorage case 200 to guide thecover unit 110 so that thecover unit 110 is settled in the correct position of theopening 210. - At least one
airtight protrusions side walls 214 of thestorage case 200 to be connected to theside walls 214 to improve airtightness can be formed in at least one of the reinforcingunits 120 and theflexible rim 140. - Airtight
protrusion accommodating units 212 in which theairtight protrusions 142c are accommodated and from which theairtight protrusions 212 are released are provided on theside walls 214 so that theairtight protrusions 142c are inserted into the airtight protrusion accommodatingunits 212 when the opening 210 is closed to prevent thestorage case 200 from being deviated from thestorage cover 100. - The
airtight protrusions 142a can be wrinkled. - The
cover unit 110 can further include at least oneventilation units 150 for introducing and discharging the air to the inside and outside of thestorage case 200 when theopening 210 is closed. - The
ventilation unit 150 can include aventilation hole 152 opened when external force is applied to discharge the air in thestorage case 200 to the outside and closed when external force is removed to prevent the air from being introduced to thestorage case 200. - The
flexible rim 140 can be provided to have a thickness no less than the thickness of astrap hinge 130 connected to thecover unit 110. - The above and other objects, features and other advantages of the present invention will be more clearly understood from the following detailed description taken in conjunction with the accompanying drawings, in which:
-
FIG. 1 is a perspective view illustrating a storage cover according to an embodiment of the present invention; -
FIG. 2 is a sectional view illustrating the storage cover provided with a cover unit made of a hard material according to an embodiment of the present invention; -
FIG. 3 is a sectional view taken along the line A-A' ofFIG. 1 ; -
FIG. 4 is a sectional view taken along the line B-B' ofFIG. 1 ; -
FIG. 5 is a sectional view illustrating a storage cover provided with a reinforcing unit according to another embodiment of the present invention; -
FIG. 6 is a sectional view illustrating airtight protrusions and a reinforcing ring according to an embodiment of the present invention; -
FIG. 7 is a sectional view illustrating airtight protrusions and a reinforcing ring according to another embodiment of the present invention; -
FIG. 8 is a sectional view illustrating airtight protrusions and a reinforcing ring according to still another embodiment of the present invention; -
FIG. 9 is a sectional view illustrating a state before the storage case and the storage cover according to an embodiment of the present invention are coupled with each other; -
FIG. 10 is a sectional view illustrating a state where the storage case and the storage cover ofFIG. 9 are coupled with each other; -
FIG. 11 is a sectional view illustrating a state where a ventilation unit is protruded by internal air or heat in the cover unit according to an embodiment of the present invention; -
FIG. 12 is a sectional view illustrating a state where the internal air of the storage case according to an embodiment of the present invention is discharged to the outside by the pressure of a user; -
FIG. 13 is a perspective view illustrating a state where a flexible rim according to an embodiment of the present invention is pulled back; -
FIG. 14 is a sectional view illustrating the storage cover according to another embodiment of the present invention; and -
FIG. 15 is a sectional view illustrating the storage cover according to still another embodiment of the present invention. -
FIG. 1 is a perspective view illustrating a storage cover according to an embodiment of the present invention. - Referring to
FIG. 1 , astorage cover 100 for a storage case 200 (refer toFIG. 9 ) according to an embodiment of the present invention for opening and closing anopening part 210 that is formed on one side of thestorage case 200 and through which stored goods are taken in and out includes a plate-shaped cover unit 110 for covering the upper part of the opening 210 and aflexible rim 140 extended along the edge of thecover unit 110 in the direction of the thickness of thecover unit 110, made of an elastic material to be elastically extended, and pulled back toward the upper part of thecover unit 110 when theopening 210 is opened and pulled back toward the lower part of thecover unit 110 when theopening 210 is closed to surround the external circumference of theopening 210. - Here, the
storage case 200 is used to keep (for example, the stored goods are taken in the storage case and are kept in a refrigerator, indoors, and outdoors) the stored goods (for example, food). - The opening 210 for taking in and out the stored goods is provided on one side of the
storage case 200. - As illustrated in
FIG. 15 , airtight protrusion accommodatingunits 212 for coupling thestorage cover 100 can be provided on theside walls 214 of thestorage case 200. -
FIG. 2 is a sectional view illustrating thestorage cover 100 provided with thecover unit 110 made of a hard material according to an embodiment of the present invention. - Referring to
FIG. 2 , thestorage cover 100 is formed on one side of thestorage case 200 to open and close theopening 210 through which the stored goods are taken in and out. - The
storage cover 100 can include thecover unit 110 for covering the upper part of the opening 210 and theflexible rim 140 pulled back toward the upper part and the lower part of thecover unit 110 to open and close theopening 210. - Here, the
cover unit 110 can have various shapes. For example, when thestorage case 200 is square box-shaped or cylindrical, thecover unit 110 can be square or circular to correspond to theopening 210 of thestorage case 200. - The
cover unit 110 can be made of various materials. For example, in addition to theflexible rim 140, thecover unit 110 can be made of a hard material or a flexible material (for example, silicon) like the flexible rim. - When the
cover unit 110 is made of a hard material, the thickness of thecover unit 110 can be 1mm to 3mm and can be preferably 2mm so that the original shape of thecover unit 110 is maintained or that a user has a proper sense of gripping. - As illustrated in
FIG. 2 , settlingprotrusions 111 that protrude toward thestorage case 200 to guide thecover unit 110 so that thecover unit 110 is settled in the correct position of theopening 210 when thestorage cover 100 is coupled with thestorage case 200 can be provided in thecover unit 110. - The settling
protrusions 111 are preferably separated from theflexible rim 140 by no less than the thickness (refer to t1 ofFIG. 2 ) of the side walls of thestorage case 200 so that theside walls 214 of thestorage case 200 are easily coupled. - The settling
protrusions 111 can have various shapes such as square protrusions or cylindrical protrusions. - The settling
protrusions 111 can be connected to each other to be ring-shaped or can be separated from each other. - The settling
protrusions 111 can be molded to be integrated with thecover unit 110 made of a hard material or can be separately formed to be attached to thecover unit 110. - As illustrated in
FIG. 5 , at least oneairtight protrusions 142a that protrude toward theside walls 214 of thestorage case 200 to be connected to theside walls 214 to improve airtightness can be provided in the settlingprotrusions 111. - The
airtight protrusions 142a can have various shapes. For example, as illustrated inFIG. 6 , wrinkledairtight protrusions 142b can be provided, as illustrated inFIG. 7 , the wrinkledairtight protrusions 142b and protrusion-shapedairtight protrusions 142c can be provided together, or, as illustrated inFIG. 8 , protrusion-shapedairtight protrusions 142d can be additionally provided. - When the wrinkled
airtight protrusions 142b are provided, the wrinkled parts are smoothed out in connection with the external circumferences of theside walls 214 of thestorage case 200 to improve elasticity and the airtightness. - When the protrusion-shaped
airtight protrusions 142c are provided, as illustrated inFIG. 15 , theairtight protrusions 142c can correspond to the airtight protrusionaccommodating units 212 provided on the side walls of thestorage case 200. - In this case, the
airtight protrusions 142c are inserted into the airtight protrusionaccommodating units 212 when thestorage case 200 and thestorage cover 100 are coupled with each other to prevent thestorage case 200 from deviating from thestorage cover 110 when theopening 210 is closed. - The
airtight protrusions side walls 214 of thestorage case 200 to prevent the stored goods from leaking to the gap that can be generated between thestorage case 200 and thestorage cover 100 that are coupled with each other when thestorage case 200 is inclined or shaken or external shock is generated. - The
airtight protrusions flexible rim 140 or can be separated from theflexible rim 140. -
Airtight protrusions 142e are protrusion-shaped and, as illustrated inFIG. 14 , at least oneairtight protrusions 142e can be selectively provided on both sides of theflexible rim 140 to correspond to both surfaces of thecover unit 110. - As illustrated in
FIGs. 3 and4 , aventilation unit 150 is provided in thecover unit 110 to introduce and discharge the air to the inside and the outside of thestorage case 200 when theopening 210 is closed. - The
ventilation unit 150 can includeprotrusion jaws 151 formed to protrude above the upper and lower surfaces in the center of thecover unit 110 and aventilation hole 152 provided to penetrate theprotrusion jaws 151. - Here, the
protrusion jaws 151 can be provided so that the upper and lower widths of both ends are reduced in the center. - The
ventilation hole 152 can have various shapes. For example, as illustrated inFIGs. 3 and4 taken along the lines A-A' and B-B' theventilation hole 152 can be provided to correspond to the section of a straight screwdriver. - When the
cover unit 110 is made of a flexible material, as illustrated inFIG. 3 , reinforcingunits 120 are provided in thecover unit 110 so that the original shape of thecover unit 110 is maintained when theflexible rim 140 is pulled back. - When the
cover unit 110 is made of a hard material, the thickness of thecover unit 110 can be 1mm to 3mm and can be preferably 2mm so that thecover unit 110 is prevented from being torn or that a user has a proper sense of gripping. - Since the reinforcing
units 120 can have the same function as the above-describedsettling protrusions 111, the reinforcingunits 120 are separated from theflexible rim 140 by no less than the thickness (refer to tl ofFIG. 3 ) of the side walls of thestorage case 200 and protrude toward thestorage case 200 by no less than a predetermined length. - The reinforcing
units 120 prevent thecover unit 110 from being pulled back in the position where reinforcingrings 121 are provided when theflexible rim 140 is pulled back toward the upper and lower parts to prevent thecover unit 110 from being transformed (for example, to prevent thecover unit 110 from being concavely folded). - At least one
airtight protrusions side walls 214 of thestorage case 200 to be connected to theside walls 214 to improve the airtightness can be provided in the reinforcingunits 120. - The
airtight protrusions - The
airtight protrusions airtight protrusions - The reinforcing
units 120 include the reinforcingrings 121 adjacent to the edge of thecover unit 110 to be buried and protectingplates 122 for surrounding the reinforcingrings 121 to protect the reinforcing rings 121. - Here, the reinforcing
rings 121 can have various shapes. For example, as illustrated inFIG. 6 , the reinforcingrings 121 can be pipe-shaped so that the section of each of the reinforcingrings 121 has a space in the center or, as illustrated inFIGs. 7 and8 , the reinforcingrings 121 can be rod-shaped. In this case, the section of each of the reinforcingrings 121 can be square or circular. However, the shape of the section of each of the reinforcingrings 121 is not limited to the above. - The reinforcing
rings 121 can be made of various materials such as metal or synthetic resin having large hardness. - The reinforcing
rings 121 can be made of the same material as thecover unit 110 or can be made of a different material from thecover unit 110. - The
flexible rim 140 is extended in the direction of the thickness of thecover unit 110, is made of an elastic material to be elastically extended, and is pulled back toward the upper part of thecover unit 110 when theopening 210 is opened and pulled back toward the lower part of thecover unit 110 when theopening 210 is closed to surround the external circumference of theopening 210. - The
flexible rim 140 can have various shapes. For example, as illustrated inFIG. 2 , theflexible rim 140 is provided so that one surface connected to the external circumferences of theside walls 214 is flat (for example, theflexible rim 140 is straight), as illustrated inFIG. 3 , theflexible rim 140 is provided to have the same thickness (refer to t3 ofFIG. 3 ) in a predetermined area, or, as illustrated inFIG. 5 , theflexible rim 140 is provided to become thick from the cover unit 110 (for example, the end is club-shaped). - The
flexible rim 140 can have various thicknesses. The thickness of theflexible rim 140 is preferably no less than the thickness (refer to t2 ofFIG. 3 ) of astrap hinge 130 connected to thecover unit 110. - For example, the thickness of the center of the
flexible rim 140 can be 3.5mm to 5mm and is preferably 4.2mm so that coupling force is optimized when theflexible rim 140 is connected to the external circumference of thestorage case 200. - In this case, when the
flexible rim 140 is pulled back toward the upper and lower parts, folding is concentrated on thestrap hinge 130 and airtightness improves when thestorage case 200 and thestorage cover 100 are coupled with each other. - Since the
flexible rim 140 shrank inside due to the characteristic of an elastic material, theflexible rim 140 can maintain a smaller diameter than the external diameter of thecover unit 110. - The
flexible rim 140 can be used in a state of being pulled back on one side regardless of the upper and lower sides based on thecover unit 110. - As illustrated in
FIG. 9 , theflexible rim 140 is elastically extended and maintains the state of being pulled back to the opposite side of thestorage case 200 when theflexible rim 140 is released from thestorage case 200 in order to take the stored goods in thestorage case 200 or to take out the stored goods from thestorage case 200. - As illustrated in
FIG. 10 , theflexible rim 140 is elastically extended and is pulled back toward thestorage case 200 to surround the external circumference of theopening 210 when theflexible rim 140 is coupled with thestorage case 200 in a state where the stored goods are taken in thestorage case 200 or the stored goods are taken out from thestorage case 200. - The
flexible rim 140 is connected to the external circumferences of theside walls 214 of thestorage case 200 so that at least oneairtight protrusions - The
airtight protrusions - The
strap hinge 130 is provided to connect thecover unit 110 and theflexible rim 140 to each other so that thecover unit 110 and theflexible rim 140 are integrated with each other. - The
strap hinge 130 is formed on the circumference of thecover unit 110 so that the external surface of thestrap hinge 130 has aninclined surface 131. - The
inclined surface 131 of thestrap hinge 130 can be provided to have a downward inclined angle of 40°to 50°. The downward inclination angle is preferably 45°in order to prevent the thickness of thestrap hinge 130 from being reduced so that the life is reduced when the angle of theinclined surface 131 is smaller than 40°or to prevent the thickness of thestrap hinge 130 from increasing so that excessive force is applied when theflexible rim 140 is pulled back toward the upper part of thecover unit 110 in a case where the angle of theinclined surface 131 is larger than 50°. - The thickness of the
strap hinge 130 can be 0.7mm to 1.5mm and is preferably 1.1mm so that theflexible rim 140 can be easily pulled back toward the upper and lower parts. - Hereinafter, processes of coupling the
storage cover 100 and thestorage case 200 according to the present invention with each other will be described. -
FIG. 9 is a sectional view illustrating a state before the storage case and the storage cover according to an embodiment of the present invention are coupled with each other. - The
flexible rim 140 is pulled back to the opposite side (that is, the upper part of the cover unit 110) of thestorage case 200 before thestorage case 200 and thestorage cover 100 are coupled with each other. - When the stored goods are completely taken in the
storage case 200 or are completely taken out from thestorage case 200, thecover unit 110 is settled in theopening 210 of thestorage case 200. - Then, when the
flexible rim 140 is pulled back toward the lower part, as illustrated inFIG. 10 , theflexible rim 140 surrounds the external circumference of theopening 210 of thestorage case 200 to be closed. - Here, when the
airtight protrusions protrusions 111, the reinforcingparts 120, and theflexible rim 140, the coupling force between thestorage case 200 and thestorage cover 100 improves and the airtightness improves. - When the
storage case 200 and thestorage cover 100 are completely coupled with each other, as illustrated inFIG. 11 , the center of thecover unit 110 protrudes to the opposite side of thestorage case 200 due to the air pressure of thestorage case 200 or the pressure of the air expanded by the heat generated by high temperature food. - At this time, when the internal air or the expanded air of the
storage case 200 is to be discharged to the outside of thestorage case 200, as illustrated inFIG. 12 , theprotrusion jaw 151 of theventilation unit 150 is pressed toward the storage case 200 (in the direction of the arrow b). - When the
protrusion jaw 151 is pressed, the center of thecover unit 110 becomes concave toward thestorage case 200 so that theventilation hole 152 is opened and that the internal air or the expanded air of thestorage case 200 is discharged to the outside of thestorage case 200. - After the air or the heat in the
storage case 200 is discharged to the outside, when pressure toward theprotrusion jaw 151 is released, thecover unit 110 is restored to the original shaped. - On the other hand, in a case where the
storage cover 100 is released from thestorage case 200 in order to take in or out the stored goods, as illustrated inFIG. 13 , when only a part of theflexible rim 140 is lifted by the fingers of a user by a one-touch method (in the direction of the arrow a), the entireflexible rim 140 is pulled back toward the upper part of thecover unit 110. - As described above, the released
cover unit 110 is deviated from theopening 210 of thestorage case 200 to take the stored goods in thestorage case 200 or to take out the stored goods from thestorage case 200. - Although the preferred embodiments of the present invention have been disclosed for illustrative purposes, those skilled in the art will appreciate that various modifications, additions and substitutions are possible, without departing from the scope and spirit of the invention as disclosed in the accompanying claims.
- In the storage cover for the storage case according to the present invention having the above-described structure, the opening and closing operations can be simply performed by pulling back the upper and lower parts by the one-touch method and the airtight coupling force can be maintained in spite of the repeated opening and closing operations.
- In addition, when the storage cover is made of flexible rubber or synthetic resin, the storage cover is prevented from being transformed and twisted due to the reinforcing units.
- In addition, when the storage cover is made of flexible silicon, the original coupling force and airtightness can be maintained although the storage cover is used for a long time.
- In addition, the internal and external sides of the flexible rim integrated with the circumference of the cover unit have the same structure and function so that both surfaces of the storage cover can be used regardless of the upper and lower sides of the storage cover.
- In addition, the air or heat in the storage case can be discharged to the outside in a state where the storage cover is not opened so that the freshness of the food kept in the storage case can be maintained.
Claims (14)
- A storage cover (100) for a storage case (200) for opening and closing an opening (210) formed on one side of a storage case (200), the storage cover (100) comprising:a plate-shaped cover unit (110) for covering the upper part of the opening (210) and a flexible rim made of an elastic material which is connected to the cover unit (110) via a strap hinge (130); characterized bythe flexible rim (140) extending along the edge of the cover unit (110) in the direction of the thickness of the cover unit (110), such that when only a part of the flexible rim (140) is lifted, the entire flexible rim (140) is pulled back toward the upper part of the cover unit (110).
- The storage cover for the storage case as claimed in claim 1,
wherein the cover unit (110) further comprises a plurality of settling protrusions (111) that protrude toward the storage case (200), and
wherein the settling protrusions (111) are separated from the flexible rim (140) by no less than the thickness of the side walls (214) of the storage case (200) to guide the cover unit (110) so that the cover unit (110) is settled in the correct position of the opening (210). - The storage cover for the storage case as claimed in claim 2,
wherein the plurality of settling protrusions (111) are connected to each other to be ring-shaped. - The storage cover for the storage case as claimed in claim 2 or 3, wherein at least one airtight protrusion (142a) that protrudes toward the side walls (214) of the storage case (200) to be connected to the side walls (214) to improve airtightness is further formed in at least one of the settling protrusions (111) and the flexible rim (140).
- The storage cover for the storage case as claimed in claim 1, wherein the flexible rim (140) is made of silicone having elasticity.
- The storage cover for the storage case as claimed in claim 1, wherein the cover unit (110) and the flexible rim (140) are made of silicone having elasticity, and wherein reinforcing units that let the cover unit (110) maintain the original shape when the flexible rim (140) is pulled back are further provided in the cover unit (110).
- The storage cover for the storage case as claimed in claim 6, wherein the reinforcing units (120) comprise reinforcing rings (121) adjacent to the edge of the cover unit (110) to be buried in the cover unit (110).
- The storage cover for the storage case as claimed in claim 7, wherein the reinforcing units (120) are provided to protrude toward the storage case (200) and are separated from the flexible rim (140) by no less than the thickness of the side walls (214) of the storage case (200) to guide the cover unit (110) so that the cover unit (110) is settled in the correct position of the opening (210).
- The storage cover for the storage case as claimed in claim 8, wherein at least one airtight protrusion that protrudes toward the side walls (214) of the storage case to be connected to the side walls (214) to improve airtightness is formed in at least one of the reinforcing units (120) and the flexible rim (140).
- The storage cover for the storage case as claimed in claim 9, wherein airtight protrusion accommodating units (212) in which the airtight protrusions are accommodated and from which the airtight protrusions are released are provided on the side walls (214) so that the airtight protrusions are inserted into the airtight protrusion accommodating units (212) when the opening (210) is closed to prevent the storage case (200) from being deviated from the storage cover (100).
- The storage cover for the storage case as claimed in claim 9, wherein the airtight protrusions (142a) are wrinkled.
- The storage cover for the storage case as claimed in claim 1, wherein the cover unit (110) further comprises at least one ventilation units (150) for introducing and discharging the air to the inside and outside of the storage case (200) when the opening is closed (210).
- The storage cover for the storage case as claimed in claim 12, wherein the ventilation unit (150) comprises a ventilation hole (152) opened when external force is applied to discharge the air in the storage case (200) to the outside and closed when external force is removed to prevent the air from being introduced to the storage case (200).
- The storage cover for the storage case as claimed in claim 1, wherein the flexible rim (140) is provided to have a thickness no less than the thickness of a strap hinge (130) connected to the cover unit (110).
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
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KR20060086275 | 2006-09-07 | ||
KR20060108259 | 2006-11-03 | ||
KR20070002392 | 2007-01-09 | ||
KR1020070071848A KR100831575B1 (en) | 2006-09-07 | 2007-07-18 | Storage cover for storage case |
PCT/KR2007/004285 WO2008030037A1 (en) | 2006-09-07 | 2007-09-05 | Storage cover for storage case |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2059450A1 EP2059450A1 (en) | 2009-05-20 |
EP2059450A4 EP2059450A4 (en) | 2009-11-25 |
EP2059450B1 true EP2059450B1 (en) | 2013-10-23 |
Family
ID=39157386
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07808079.3A Active EP2059450B1 (en) | 2006-09-07 | 2007-09-05 | Storage cover for storage case |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2059450B1 (en) |
JP (1) | JP4977709B2 (en) |
KR (1) | KR100831575B1 (en) |
CN (1) | CN101331069B (en) |
WO (1) | WO2008029980A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102119911B (en) * | 2010-01-07 | 2012-12-19 | 叶祥林 | Polypropylene combined cover for transfusion container |
JP6352667B2 (en) * | 2014-04-02 | 2018-07-04 | 株式会社あさくら | Covering lid made of transparent soft silicone resin |
TWI711566B (en) * | 2020-02-13 | 2020-12-01 | 段睿紘 | Cover structure |
KR20220116022A (en) * | 2020-03-05 | 2022-08-19 | 로레알 | Vessel with hinged lid and pressure relief valve |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59165347U (en) * | 1983-04-21 | 1984-11-06 | 橋本 章吾 | Food storage containers |
JPH087652Y2 (en) * | 1989-10-31 | 1996-03-04 | 安藤電気株式会社 | Position data confirmation mechanism for processing by spot light projector |
JP2000109107A (en) * | 1998-10-05 | 2000-04-18 | Oita Kikai Kogyo Kk | Cap for can |
DE19955110A1 (en) * | 1999-11-16 | 2001-05-23 | Rudolf Janner | Cover element for covering or closing open-top bodies such as containers of food etc. is made of rubber-elastic material |
JP3065300U (en) * | 1999-06-29 | 2000-02-02 | ハリオグラス株式会社 | Food storage containers |
JP2001315816A (en) * | 2000-05-02 | 2001-11-13 | Inax Corp | Synthetic resin manhole cover for septic tank |
EP1658228A4 (en) * | 2003-08-27 | 2007-07-18 | Sang-Kee Kim | Container cover |
KR20050069118A (en) * | 2003-12-30 | 2005-07-05 | 하나코비 주식회사 | Non-plastic container for storing food |
KR200373749Y1 (en) * | 2004-10-14 | 2005-01-21 | 박유탁 | Cover of container for safekeeping |
KR100593726B1 (en) * | 2005-04-20 | 2006-06-28 | 조동석 | Unit-type hermetically cover |
KR200406688Y1 (en) * | 2005-10-20 | 2006-01-24 | 박철자 | Airtight containers |
-
2007
- 2007-03-13 WO PCT/KR2007/001233 patent/WO2008029980A1/en active Application Filing
- 2007-07-18 KR KR1020070071848A patent/KR100831575B1/en active IP Right Grant
- 2007-09-05 CN CN2007800006716A patent/CN101331069B/en not_active Expired - Fee Related
- 2007-09-05 EP EP07808079.3A patent/EP2059450B1/en active Active
- 2007-09-05 JP JP2008533265A patent/JP4977709B2/en active Active
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KR20080023102A (en) | 2008-03-12 |
JP2009502689A (en) | 2009-01-29 |
WO2008029980A1 (en) | 2008-03-13 |
CN101331069B (en) | 2011-12-21 |
KR100831575B1 (en) | 2008-05-22 |
CN101331069A (en) | 2008-12-24 |
JP4977709B2 (en) | 2012-07-18 |
EP2059450A1 (en) | 2009-05-20 |
EP2059450A4 (en) | 2009-11-25 |
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