WO2024116640A1 - パッキン及び冷凍装置 - Google Patents

パッキン及び冷凍装置 Download PDF

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Publication number
WO2024116640A1
WO2024116640A1 PCT/JP2023/037900 JP2023037900W WO2024116640A1 WO 2024116640 A1 WO2024116640 A1 WO 2024116640A1 JP 2023037900 W JP2023037900 W JP 2023037900W WO 2024116640 A1 WO2024116640 A1 WO 2024116640A1
Authority
WO
WIPO (PCT)
Prior art keywords
door
seal
seal portion
box
packing
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.)
Ceased
Application number
PCT/JP2023/037900
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
向生 松田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PHC Holdings Corp
Original Assignee
PHC Holdings Corp
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 PHC Holdings Corp filed Critical PHC Holdings Corp
Priority to EP23897297.0A priority Critical patent/EP4589228A4/en
Priority to JP2024561243A priority patent/JPWO2024116640A1/ja
Priority to CN202380069977.6A priority patent/CN119948305A/zh
Publication of WO2024116640A1 publication Critical patent/WO2024116640A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/04—Preventing the formation of frost or condensate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/02—Doors specially adapted for stoves or ranges
    • F24C15/021—Doors specially adapted for stoves or ranges sealings for doors or transparent panel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/02—Doors; Covers
    • F25D23/028—Details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/08—Parts formed wholly or mainly of plastics materials
    • F25D23/082—Strips
    • F25D23/087—Sealing strips

Definitions

  • the present invention relates to a packing and a refrigeration device.
  • refrigeration devices equipped with a box section having a storage chamber, as disclosed in Patent Document 1
  • Such refrigeration devices are equipped with a door that can be opened and closed to cover the opening of the box section.
  • condensation and frost can form around the opening in the box and between the door. This frost tends to progress from the inside to the outside. It is desirable to suppress the progression of this frost.
  • the present invention was made in consideration of these circumstances, and aims to provide a packing and refrigeration device that can suppress the progression of frost.
  • One aspect of the packing according to the present invention is An annular packing is sandwiched between a box portion constituting a refrigeration device and a door closing an opening of the box portion, A main body portion is fixed to the box portion so as to surround the opening, The main body has a ring shape that fits along the opening, is arranged next to each other, and has a plurality of seal portions that come into contact with door side receiving portions provided on the door when the door is in a closed state; The height of the outer seal portion, which is the outermost seal portion among the plurality of seal portions, is greater than the height of the other seal portions.
  • One aspect of the refrigeration device according to the present invention is A box portion having a storage chamber; An openable door that closes the opening of the storage room; and the above-mentioned packing fixed to the box portion.
  • the present invention provides a packing and a refrigeration device that can suppress the progression of frost.
  • FIG. 1 is a perspective view of a refrigeration device according to an embodiment of the present invention.
  • FIG. 2 is a front view of the packing.
  • FIG. 3 is a view taken along the arrow A1 in FIG.
  • FIG. 4 is a cross-sectional view taken along line C1-C1 of FIG.
  • FIG. 5 is a cross-sectional view showing the state of the packing and the door breaker when the door is in a closed state.
  • FIG. 1 is a perspective view of a refrigeration device 1 according to an embodiment of the present invention.
  • the refrigeration device 1 is, for example, an ultra-low temperature freezer.
  • An ultra-low temperature freezer is one that cools the interior of the freezer to an ultra-low temperature (for example, about -80°C).
  • the refrigeration device 1 may also be a medicine refrigerator, a blood refrigerator, or an incubator.
  • a Cartesian coordinate system (X, Y, Z) shown in each figure is used.
  • the X direction corresponds to the front-to-rear direction of the refrigeration device 1.
  • the + side of the X direction corresponds to the front side of the refrigeration device 1.
  • the - side of the X direction corresponds to the rear side of the refrigeration device 1.
  • the Y direction corresponds to the left-right direction and width direction of the refrigeration device 1.
  • the + side of the Y direction corresponds to the left side when the refrigeration device 1 is viewed from the front.
  • the - side of the Y direction corresponds to the right side when the refrigeration device 1 is viewed from the front.
  • the Z direction corresponds to the up-down direction of the refrigeration device 1.
  • the + side of the Z direction corresponds to the top side of the refrigeration device 1.
  • the - side of the Z direction corresponds to the bottom side of the refrigeration device 1.
  • the basic configuration of the refrigeration device 1 will be briefly described below.
  • the refrigeration device 1 according to this embodiment has a main body unit 12 and a mechanical unit 20.
  • the main body 12 is box-shaped. Heat insulating material (not shown) is placed inside the walls that make up the main body 12.
  • the main body 12 has a box portion 13, an outer door 16, an inner door 17, and a handle portion 18.
  • the box portion 13 has an inner box 14 and an outer box 15.
  • the inner box 14 is formed, for example, from a metal plate and/or a synthetic resin plate.
  • the inner box 14 is composed of a box-shaped member with an open front.
  • the inner box 14 has a storage chamber 140.
  • the storage chamber 140 is divided into multiple (two in this embodiment) separate storage chambers 142A, 142B by a partition plate 141.
  • the storage chamber 140 is divided by the partition plate 141 into an upper separate storage chamber 142A and a lower separate storage chamber 142B.
  • Each of the separate storage chambers 142A, 142B has an opening on the front.
  • the number of partitions is not limited to the number of partitions 141 in this embodiment.
  • the number of divided storage chambers is not limited to the number of divided storage chambers 142A, 142B in this embodiment.
  • the partitions may be omitted.
  • the outer box 15 is made of, for example, a metal plate and/or a synthetic resin plate.
  • the outer box 15 is made of a box-shaped member with an open front.
  • the outer box 15 is made of a box-shaped member that is larger than the inner box 14.
  • the outer box 15 houses the inner box 14.
  • the outer door 16 is attached to the box portion 13 via a hinge (not shown) in a state in which the opening of the outer box 15 can be opened and closed.
  • a hinge not shown
  • the outer door 16 covers the opening of the outer box 15 (hereinafter also referred to as the closed state of the outer door 16)
  • the outer box 15 is in a sealed state.
  • a heat insulating material (not shown) is arranged inside the outer door 16. Note that hereinafter, the state in which the outer door 16 is open will also be referred to as the open state of the outer door 16.
  • the inner door 17 is located on the inner side of the outer door 16.
  • the inner side means the side closer to the inner box 14 and the outer box 15 when the outer door 16 and the inner door 17 are closed.
  • the outer side means the side farther from the inner box 14 and the outer box 15 when the outer door 16 and the inner door 17 are closed.
  • the inner door 17 is attached to the box portion 13 via a hinge 19 in a state in which the openings 142a, 142b of the divided storage chambers 142A, 142B of the inner box 14 can be opened and closed.
  • the openings 142a, 142b are each an example of an opening of the box portion.
  • the inner door 17 has an upper inner door 17a and a lower inner door 17b.
  • the upper inner door 17a is configured to be able to open and close the opening 142a of the upper divided storage chamber 142A.
  • the lower inner door 17b is configured to be able to open and close the opening 142b of the lower divided storage chamber 142B.
  • the rear sides of the upper inner door 17a and the lower inner door 17b face the divided storage chambers 142A and 142B, respectively.
  • the state in which the inner doors 17 (specifically, the upper inner door 17a and the lower inner door 17b) are closed will be referred to as the closed state of the inner doors 17.
  • the state in which the inner doors 17 (specifically, the upper inner door 17a and the lower inner door 17b) are open will be referred to as the open state of the inner doors 17.
  • the upper inner door 17a and the lower inner door 17b each have a door-side lid portion 170a, 170b that faces the openings 142a, 142b of the divided storage chambers 142A, 142B when closed.
  • the door-side lid portions 170a, 170b are rectangular and have approximately the same area as the openings 142a, 142b of the divided storage chambers 142A, 142B.
  • the upper inner door 17a and the lower inner door 17b each have a door-side frame-shaped area 171a, 171b around the door-side lid portion 170a, 170b.
  • the door-side frame-shaped area 171a, 171b is a rectangular frame-shaped area that surrounds the door-side lid portion 170a, 170b.
  • the door side frame regions 171a and 171b face the inner box side frame regions 143a and 143b (described below) in a predetermined direction (the front-to-rear direction in this embodiment).
  • the upper inner door 17a and the lower inner door 17b also have rectangular frame-shaped door breakers 173 and 174 that fit the door side frame regions 171a and 171b, respectively.
  • the door side breakers 173 and 174 are an example of a door side receiving portion.
  • the door side breakers 173 and 174 are the portions that come into contact with the seal portion 300 of the packing 3, which will be described later, when the inner door 17 is in the closed state.
  • the configuration of the door-side breaker 174 is similar to the configuration of the door-side breaker 173. Therefore, for the door-side breaker 174, the description of the door-side breaker 173 can be appropriately changed.
  • the door-side breaker 173 has a rectangular frame shape and is fixed to the door-side frame area 171a of the upper inner door 17a.
  • the door-side breaker 173 has a door-side receiving surface 173a on its front side.
  • the door side receiving surface 173a is a rectangular frame-shaped surface and has a frame-shaped flat portion 173b and a frame-shaped recess 173c.
  • the frame-shaped flat surface portion 173b is formed by a frame-shaped flat surface provided in the area extending from the inner end to the middle of the door-side receiving surface 173a.
  • the frame-shaped flat surface portion 173b is the portion that comes into contact with the first seal portion 301 and the second seal portion 302 of the packing 3 (described below) when the inner door 17 is in the closed state (see FIG. 5).
  • the frame-shaped recess 173c is formed by a frame-shaped concave curved surface provided at the outer end of the door-side receiving surface 173a. In other words, the frame-shaped recess 173c is located rearward of the frame-shaped flat surface portion 173b. The frame-shaped recess 173c surrounds the frame-shaped flat surface portion 173b all around.
  • the frame-shaped recess 173c is the portion that comes into contact with the third seal portion 303 of the packing 3 (described below) when the inner door 17 is in the closed state (see FIG. 5).
  • the handle portion 18 is what the user grasps when opening and closing the outer door 16.
  • the mechanical unit 20 is disposed directly below the main body 12.
  • the mechanical unit 20 houses a compressor (not shown), a condenser (not shown), and a pressure reducer (not shown) that constitute a refrigeration circuit (not shown) capable of cooling the storage chamber 140 (specifically, the divided storage chambers 142A, 142B) to -80°C or below.
  • the evaporator (not shown) that constitutes the refrigeration circuit is disposed inside the side wall of the main body 12. Operation of the refrigeration circuit cools the inside of the storage chamber 140 (specifically, the divided storage chambers 142A and 142B).
  • the refrigeration device 1 of this embodiment configured as described above, has a gasket 3 that is sandwiched between the inner box 14 of the box portion 13 and the inner door 17.
  • the packing 3 is provided in a rectangular frame-shaped area (hereinafter also referred to as the inner box side frame-shaped area 143a, 143b) surrounding the openings 142a, 142b of the divided storage chambers 142A, 142B in the inner box 14.
  • the inner box side frame regions 143a, 143b are each formed of a ring-shaped (specifically, rectangular frame-shaped) surface facing forward.
  • the shape of the inner box side frame regions 143a, 143b may be any shape that follows the outer shape of the openings 142a, 142b of the divided storage chambers 142A, 142B when viewed from the front.
  • a front view means that the refrigeration device 1 is viewed from the front.
  • the front view of the packing 3 corresponds to FIG. 2.
  • the inner box side frame-shaped area 143a is an area that surrounds the upper divided storage chamber 142A.
  • the inner box side frame-shaped area 143a is formed by the front surface of the upper half of the inner box 14 and the front surface of the partition plate 141.
  • the inner box side frame-shaped area 143a may be formed by a frame-shaped member (not shown) fixed to the inner box 14 and the partition plate 141.
  • the inner box side frame-shaped area 143b is an area that surrounds the lower divided storage chamber 142B.
  • the inner box side frame-shaped area 143b is formed by the front surface of the lower half of the inner box 14 and the front surface of the partition plate 141.
  • the inner box side frame-shaped area 143b may be formed by a frame-shaped member (not shown) fixed to the inner box 14 and the partition plate 141.
  • a packing 3 is provided in each of the inner box side frame regions 143a and 143b.
  • the configuration of the packing 3 provided in the inner box side frame region 143a will be described below.
  • the configuration of the packing 3 provided in the inner box side frame region 143b is the same as the configuration of the packing 3 provided in the inner box side frame region 143a.
  • the packing 3 has a main body 30 and a locking portion 31.
  • the entire packing 3 is made of an elastic material (e.g., rubber or resin).
  • the packing 3 may be made of a combination of a metal member and an elastic member.
  • at least the sealing portion 300 described below needs to be made of an elastic material.
  • the main body 30 is a rectangular frame that conforms to the inner box side frame region 143a.
  • the main body 30 has a seal portion 300.
  • the seal portion 300 is the portion that comes into contact with the door side breaker 173 provided on the upper inner door 17a when the upper inner door 17a is in the closed state.
  • the sealing portion 300 has, from the inside, a first sealing portion 301, a second sealing portion 302, and a third sealing portion 303.
  • the inside means the side closer to the center O1 of the packing 3 (see FIG. 2) when viewed from the front.
  • the outside means the side farther from the center O1 of the packing 3 when viewed from the front.
  • the packing 3 and its components are rectangular frame-shaped and have an upper side 33a, a lower side 33b, a left side 33c, and a right side 33d.
  • the inside coincides with the bottom side.
  • the outside coincides with the top side.
  • the inside coincides with the top side.
  • the outside coincides with the bottom side.
  • the inside coincides with the right side.
  • the outside coincides with the left side.
  • the inside coincides with the left side.
  • the right side 33d the outside coincides with the right side.
  • FIG. 4 is a cross-sectional view taken along C1-C1 in FIG. 2.
  • FIG. 4 is a cross-sectional view of the right side 33d of the packing 3.
  • the left side in FIG. 4 corresponds to the inside.
  • the right side in FIG. 4 corresponds to the outside.
  • Figure 5 is a cross-sectional view showing the state of the gasket 3 and the door breaker 173 when the inner doors 17 (specifically, the upper inner door 17a and the lower inner door 17b) are closed.
  • the first seal portion 301 is an example of the other seal portion, and is the seal portion provided on the innermost side of the seal portion 300.
  • the first seal portion 301 is a rectangular frame that fits along the inner box side frame region 143a.
  • the first seal portion 301 is hollow over its entire length.
  • the first seal portion 301 is also a convex member having a curved tip (front end).
  • the tip surface of the first seal portion 301 is a smoothly curved surface.
  • the first seal portion 301 has a predetermined height dimension H 301 .
  • the first seal portion 301 abuts against the door side breaker 173 (specifically, the frame-shaped flat portion 173b) of the upper inner door 17a over its entire circumference.
  • the first seal portion 301 is crushed by a predetermined amount by the frame-shaped flat portion 173b of the door side breaker 173.
  • the second seal portion 302 is an example of another seal portion, and is a seal portion provided in the middle portion (the center portion in this embodiment) of the seal portion 300.
  • the second seal portion 302 is a rectangular frame that fits along the inner box side frame region 143a.
  • the second seal portion 302 is hollow over its entire length.
  • the second seal portion 302 is also a convex member having a curved tip (front end).
  • the tip surface of the second seal portion 302 is a smoothly curved surface.
  • the second seal portion 302 has a predetermined height dimension H 302 .
  • the height dimension H302 of the second seal portion 302 may be larger than the height dimension H301 of the first seal portion 301.
  • the outer shape of the second seal portion 302 in a front view (the outer shape of the second seal portion 302 in FIG. 2) is larger than the outer shape of the first seal portion 301 in a front view (the outer shape of the first seal portion 301 in FIG. 2).
  • the second seal portion 302 surrounds the first seal portion 301 in a plane (YZ plane) that is parallel to the left-right direction and parallel to the up-down direction.
  • the second seal portion 302 abuts against the door-side breaker 173 (specifically, the frame-shaped flat surface portion 173b) of the upper inner door 17a over its entire circumference.
  • the second seal portion 302 is crushed by a predetermined amount by the frame-shaped flat surface portion 173b of the door-side breaker 173.
  • the third seal portion 303 is an example of an outer seal portion, and is the outermost seal portion in the seal portion 300.
  • the third seal portion 303 has a rectangular frame shape that conforms to the inner box side frame region 143a.
  • the third seal portion 303 is hollow over its entire length.
  • the third seal portion 303 is also a convex member having a curved tip portion (front end portion).
  • the tip surface of the third seal portion 303 is a smoothly curved surface.
  • the third seal portion 303 has a predetermined height dimension H 303 .
  • the height dimension H303 of the third seal portion 303 is larger than the height dimension H301 of the first seal portion 301 and the height dimension H302 of the second seal portion 302 ( H303 > H302, H303 > H301 ).
  • the outer shape of the third seal portion 303 in a front view is larger than the outer shape of the second seal portion 302 in a front view (the outer shape of the second seal portion 302 in FIG. 2).
  • the third seal portion 303 surrounds the second seal portion 302 in a plane (YZ plane) parallel to the left-right direction and parallel to the up-down direction.
  • the third seal portion 303 abuts against the door side breaker 173 (specifically, the frame-shaped recess 173c) of the upper inner door 17a over its entire circumference.
  • the third seal portion 303 elastically deforms slightly as if being crushed.
  • the third seal portion 303 abuts against the frame-shaped recess 173c of the door-side breaker 173.
  • the frame-shaped recess 173c is configured with a concave curved surface located rearward of the frame-shaped flat surface portion 173b of the door-side breaker 173. This configuration contributes to improving the sealing effect by the abutment between the third seal portion 303 and the frame-shaped recess 173c.
  • the door-side breaker 173 (see FIG. 1) of the upper inner door 17a may be configured with a flat surface in which the portions that come into contact with the first seal portion 301, the second seal portion 302, and the third seal portion 303 are located on the same plane.
  • the first seal portion 301, the second seal portion 302, and the third seal portion 303 each abut against the door-side breaker 173 of the upper inner door 17a.
  • This configuration contributes to improving the sealing of the divided storage chamber 142A when the inner door 17 is in the closed state.
  • the third seal portion 303 also has a frost suppression wall portion 303a on the inner surface at the tip.
  • the frost suppression wall portion 303a protrudes in a predetermined direction (forward in this embodiment) beyond the first seal portion 301 and the second seal portion 302.
  • the specified direction is also the side closer to the door-side breaker 173 of the upper inner door 17a when the inner door 17 is in the closed state.
  • Such a frost suppression wall portion 303a functions as a dam against frost that advances on the tip surface of the seal portion 300 in a direction from the inside to the outside (the direction indicated by the arrow A2 in FIG. 4).
  • the frost suppression wall portion 303a acts as a resistance against frost progressing from the inside to the outside on the tip surface of the seal portion 300.
  • This configuration of the third seal portion 303 contributes to suppressing the progression of frost.
  • the central axis L1 of the cross-sectional shape of the third seal portion 303 when cut along a plane perpendicular to the extension direction of the third seal portion 303 (hereinafter simply referred to as the "cross-sectional shape") curves outward from the base end (rear end in this embodiment) toward the tip end (front end in this embodiment).
  • the cross-sectional shape of the third seal portion 303 is inclined (in other words, curved) to follow the central axis L1.
  • the locking portion 31 is a member for locking the packing 3 to the inner box side frame region 143a.
  • the locking portion 31 is rectangular frame-shaped and is provided on the surface of the main body 30 that faces the inner box side frame region 143a (the rear surface in this embodiment). Such a locking portion 31 engages with a locked portion (not shown) provided on the inner box side frame region 143a.
  • the refrigeration device 1 also has a heater unit 4 (see FIG. 4) that heats the third seal portion 303.
  • the heater unit 4 is provided in the inner box 14.
  • the heater unit 4 has a rectangular frame shape that fits along the inner box side frame regions 143a, 143b of the inner box 14.
  • the heater unit 4 is provided at a position that corresponds to the inner box side frame regions 143a, 143b.
  • the heater section 4 is disposed outside the third seal section 303.
  • Such an arrangement of the heater section 4 can reduce the effect of the heat of the heater section 4 on the first seal section 301 and the second seal section 302. Therefore, the effect of the heat of the heater section 4 on the divided storage chambers 142A, 142B can be reduced. As a result, the temperature rise in the divided storage chambers 142A, 142B due to the heat of the heater section 4 can be suppressed.
  • the heater unit 4 constantly heats the third seal portion 303.
  • the heater unit 4 may also heat the third seal portion 303 at an appropriate timing.
  • the operation of the heater unit 4 is controlled by a control unit (not shown).
  • the refrigeration device 1 includes the packing 3 having the above-mentioned configuration.
  • the frost-suppression wall portion 303a of the third seal portion 303 functions as a dam against frost progressing in a direction from the inside to the outside (the direction indicated by the arrow A2 in FIG. 4) on the tip surface of the seal portion 300.
  • the refrigeration device 1 according to this embodiment can suppress the progression of frost.
  • the refrigeration device 1 also includes a heater unit 4 that heats the third sealing portion 303.
  • the third sealing portion 303 can maintain a high temperature by being heated by the heater unit 4. When frost comes into contact with the third sealing portion 303, the frost can be melted based on the temperature of the third sealing portion 303. As a result, the third sealing portion 303 can more effectively suppress the progression of frost.
  • the progression of frost can be more effectively suppressed by the synergistic effect of the frost suppression effect of the frost suppression wall portion 303a of the third seal portion 303 and the frost suppression effect of the heater portion 4.
  • Other actions and effects obtained from the configuration of the packing 3 and the refrigeration device 1 according to this embodiment are as described above.
  • the configuration of the packing is not limited to the configuration of the packing 3 in the above-described embodiment.
  • the packing may have at least two seal portions.
  • the number of seal portions of the packing may be two, or may be four or more.
  • the configuration of the outer seal portion of the packing (in the above-mentioned embodiment, the third seal portion 303) is not limited to the configuration of the third seal portion 303 in the above-mentioned embodiment.
  • the shape of the outer seal portion of the packing may be various shapes that are higher than the other seal portions (in the above-mentioned embodiment, the first seal portion 301 and the second seal portion 302).
  • the outer door 16 and the inner door 17 are provided so as to be able to open and close the opening on the front side of the box portion 13.
  • the positions of the outer door 16 and the inner door 17 are not limited to those of the above embodiment.
  • the outer door and the inner door may be provided so as to be able to open and close the opening on the upper side of the box portion.
  • the packing is sandwiched between the box portion and the door that closes the opening on the upper side of the box portion.
  • the explanation of the packing 3 in the above embodiment can be read appropriately.
  • the present invention can be suitably applied to various refrigeration devices.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Refrigerator Housings (AREA)
PCT/JP2023/037900 2022-11-28 2023-10-19 パッキン及び冷凍装置 Ceased WO2024116640A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP23897297.0A EP4589228A4 (en) 2022-11-28 2023-10-19 SEALING SEAL AND REFRIGERATION DEVICE
JP2024561243A JPWO2024116640A1 (https=) 2022-11-28 2023-10-19
CN202380069977.6A CN119948305A (zh) 2022-11-28 2023-10-19 填密件及冷冻装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2022189100 2022-11-28
JP2022-189100 2022-11-28

Publications (1)

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WO2024116640A1 true WO2024116640A1 (ja) 2024-06-06

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PCT/JP2023/037900 Ceased WO2024116640A1 (ja) 2022-11-28 2023-10-19 パッキン及び冷凍装置

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EP (1) EP4589228A4 (https=)
JP (1) JPWO2024116640A1 (https=)
CN (1) CN119948305A (https=)
WO (1) WO2024116640A1 (https=)

Citations (8)

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JP2004012121A (ja) * 2002-06-04 2004-01-15 Lg Electronics Inc 冷蔵庫用密閉装置
JP2004132684A (ja) * 2002-08-09 2004-04-30 Tokai Kogyo Co Ltd 断熱シール材、断熱シール組立体及び保温装置
JP2005016876A (ja) * 2003-06-27 2005-01-20 Matsushita Electric Ind Co Ltd 冷蔵庫
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