CN107401881B - Sliding door with cold-proof bridge aluminum alloy combination door frame - Google Patents
Sliding door with cold-proof bridge aluminum alloy combination door frame Download PDFInfo
- Publication number
- CN107401881B CN107401881B CN201710784218.4A CN201710784218A CN107401881B CN 107401881 B CN107401881 B CN 107401881B CN 201710784218 A CN201710784218 A CN 201710784218A CN 107401881 B CN107401881 B CN 107401881B
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- door frame
- aluminum alloy
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- plate
- door
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Classifications
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- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Wing Frames And Configurations (AREA)
- Special Wing (AREA)
- Refrigerator Housings (AREA)
Abstract
The invention relates to the technical field of refrigeration storage equipment, in particular to a translation door with a cold-insulating bridge aluminum alloy combined door frame, which comprises a storage plate, a movable door plate and sealing strips, wherein the movable door plate is arranged on the storage plate, the storage plate is provided with an aluminum alloy door frame, the aluminum alloy door frame is positioned between the storage plate and the movable door plate, the aluminum alloy door frame is provided with a heat-insulating wire cover plate, the heat-insulating wire cover plate is made of PVC plastic, the heat-insulating wire cover plate is positioned at one end of the aluminum alloy door frame far away from the storage plate, and the sealing strips are positioned between the aluminum alloy door frame and the movable door plate.
Description
Technical Field
The invention relates to the technical field of refrigeration storage equipment, in particular to a translation door with a cold-proof bridge aluminum alloy combined door frame.
Background
The existing refrigeration house translation door is arranged on the fixed door plate through sliding of the translation door by the guide rail, tightness is guaranteed between the translation door and the fixed door plate through the rubber sealing strip, the refrigeration house is guaranteed only by sealing between the sealing strip and the fixed plate, the sealing strip is clamped when foreign matters appear at the sealing strip, gaps appear between the fixed plate and the sealing strip, cold air in the refrigeration house is quickly leaked, the refrigeration house heat preservation effect is reduced, and equipment energy consumption is increased.
Disclosure of Invention
The invention aims to solve the technical problems that: in order to solve the problem that the heat insulation performance of the refrigeration house is guaranteed only by means of sealing between the sealing strips and the fixing plates, when foreign matters and the like occur at the sealing strips, the sealing strips are clamped, gaps occur between the fixing plates and the sealing strips, and cold air in the refrigeration house can be leaked out quickly, the translation door with the cold insulation bridge aluminum alloy combined door frame is provided.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a translation door with separate cold bridge aluminum alloy combination door frame, includes storehouse board, removes door plant and sealing strip, it sets up on the storehouse board to remove the door plant, be equipped with the aluminum alloy door frame on the storehouse board, the aluminum alloy door frame is located the storehouse board with remove between the door plant, be provided with thermal-insulated line apron on the aluminum alloy door frame, the material of thermal-insulated line apron is PVC plastics, thermal-insulated line apron is located the one end that the storehouse board was kept away from to the aluminum alloy door frame, the sealing strip is located between aluminum alloy door frame and the removal door plant, the sealing strip has fixed section and the sealing section of setting on the fixed section, the fixed section sets up on the removal door plant, the sealing section with aluminum alloy door frame contact, thermal-insulated line apron is close to the outside extension of one end of sealing strip has the baffle, the baffle is with the contact of sealing section. On the one hand, the sealing section on the sealing strip is contacted with the aluminum alloy door frame to seal the cold storage, and the outwards protruding baffle is arranged on the heat insulation line cover plate and is contacted with the sealing section of the sealing strip, so that the heat insulation line cover plate and the sealing strip are sealed, the heat insulation performance of the cold storage is improved, meanwhile, the path through which cold air passes can be increased when the cold air leaks, and the leakage speed of the cold air is slowed down.
In order to better seal the refrigerator, further, both sides of the fixed section are provided with the sealing sections, and the baffle is positioned between the sealing sections at both sides of the fixed section. Through setting up the seal section in fixed section both sides to the baffle is located between the seal section of both sides, and the baffle contacts with the seal section of one of them side, thereby has increased the leakproofness between sealing strip and the aluminum alloy door frame, has improved the thermal insulation performance of freezer.
In order to ensure the tightness of the refrigeration house, the sealing section is further provided with an O-shaped sealing ring and a connecting section, one end of the connecting section is arranged on the O-shaped sealing ring, the other end of the connecting section is arranged on the fixing section, and the baffle is in contact with the O-shaped sealing ring. The O-shaped sealing ring contacts with the baffle, and the O-shaped sealing ring has elastic deformation capability, so that the O-shaped sealing ring deforms when contacting with the baffle, the sealing ring has a certain wrapping effect on the baffle, the tightness between the baffle and the O-shaped sealing ring is ensured, and the tightness of the refrigeration house is improved.
In order to prevent that cold air from being conducted to the aluminum alloy frame in the freezer to lead to the cold air to outwards leaking, the problem of increase equipment energy consumption, further, still include plastics inserts nut, plastics gasket and screw rod, the one end setting of screw rod is in on the aluminum alloy door frame, the other end of screw rod passes the storehouse board, plastics inserts nut threaded connection is in the one end that the aluminum alloy door frame was kept away from to the screw rod, plastics gasket set up between the storehouse board with plastics inserts nut. Fixedly connected with screw rod on through the aluminum alloy door frame, the screw rod wears to establish on the house board to make the aluminum alloy door frame fix on the house board through plastic insert nut, because plastic insert nut and plastic gasket all are located the freezer inboard, and because plastic heat conductivity is poor, make outside heat hardly transmit inside the freezer through the screw rod, guaranteed the thermal insulation performance of freezer.
In order to prevent cold air from being conducted out of the refrigerator through the aluminum alloy door frame, further, the aluminum alloy door frame comprises a first door frame and a second door frame, and the heat insulation wire cover plate is arranged between the first door frame and the second door frame and separates the first door frame and the second door frame from each other. The aluminum alloy door frame is formed by the first door frame and the second door frame, and the first door frame and the second door frame are separated through the heat insulation cover plate, so that cold air of the refrigerator door plate is blocked by the heat insulation cover plate when passing through the second door frame, cannot be conducted to the first door frame, a certain partition effect is achieved, and the heat insulation performance of the refrigerator is guaranteed.
Because the storehouse board surface is the iron sheet parcel, the second door frame can be with the inside air conditioning of freezer transfer to the iron sheet of storehouse board on, the air conditioning is again by the iron sheet transfer to first door frame on to leak cold air away, reduced freezer thermal insulation performance, further, the storehouse inboard is equipped with aluminum alloy door opening and bordures, aluminum alloy door opening bordures with be provided with first cold bridge that separates between the second door frame, first cold bridge's material is PVC plastics, first cold bridge that separates is located one side that aluminum alloy door opening bordures and is equipped with the bayonet socket, the bayonet socket with aluminum alloy door opening bordures assorted, aluminum alloy door opening bordures inserts and establishes in the bayonet socket, first cold bridge that separates is located one side of second door frame is equipped with the recess, be equipped with on the second door frame with recess assorted arch, the arch sets up in the recess, the second door frame with have the clearance between the storehouse board. Through setting up first cold bridge that separates between aluminum alloy door opening bordure and second door frame, aluminum alloy door opening bordure is for the installation of convenient first cold bridge that separates, because the material of first cold bridge that separates is PVC plastics, first cold bridge that separates contacts with the storehouse board to have the clearance between storehouse board and the second door frame, so do not contact between storehouse board and the second door frame, the air conditioning on the second door frame just can't direct conduction to the storehouse board on, guaranteed the thermal insulation performance of freezer, moreover the recess of first cold bridge cooperates with the arch of second door frame, the route that the air conditioning that also increases when leaking passes through to slow down the leak rate of air conditioning.
In order to ensure the connection strength between the first door frame and the second door frame, further, a second cold-proof bridge is further arranged between the first door frame and the second door frame, and the second cold-proof bridge is made of PVC plastic. Through having set up the second and separated cold bridge between first door frame and second door frame, improved joint strength between first door frame and the second door frame on the one hand, on the other hand because the material of second separates cold bridge is PVC plastics, can prevent that first door frame from with heat conduction to the second door frame.
In order to facilitate maintenance of the second cold-proof bridge, further, limiting blocks are arranged at two ends of the second cold-proof bridge, limiting blocks matched with the limiting ends are arranged on the first door frame and the second door frame, and the limiting blocks are arranged in the limiting grooves. The limiting blocks on the second cold-proof bridge are respectively aligned with and inserted into the limiting grooves of the first door frame and the limiting grooves of the second door frame, so that the installation of the second cold-proof bridge is completed, and the maintenance is also convenient.
The beneficial effects of the invention are as follows: when the sliding door with the cold-proof bridge aluminum alloy combined door frame is used, the baffle plate is contacted with the sealing strip through the baffle plate which extends outwards on the heat-proof cover plate, namely, under the condition that the sealing strip is sealed with the aluminum alloy door frame, the baffle plate is contacted with the sealing strip again to seal, so that double sealing of the cold storage is realized, the heat insulation performance of the cold storage is ensured, a cold air passing path in the cold storage is also increased when the sliding door leaks, the leakage speed of the cold air is slowed down, the problems that the existing sliding door of the cold storage is arranged on the fixed door plate in a sliding manner through the guide rail by the sliding door, the tightness is ensured between the sliding door and the fixed door plate through the rubber sealing strip, the heat insulation performance of the cold storage is ensured only by the sealing strip and the fixed plate, and when foreign matters and the like appear at the sealing strip, the sealing strip is clamped, gaps appear between the fixed plate and the sealing strip, the cold air in the cold storage can be leaked out very fast, the heat insulation effect of the cold storage is reduced, and the energy consumption of equipment is also increased are solved.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a front view of the present invention;
FIG. 2 is a left side view of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2A;
FIG. 4 is an enlarged view of a portion of B in FIG. 3;
FIG. 5 is a front view of the weatherstrip according to the present invention;
FIG. 6 is a front view of a first cold bridge in accordance with the present invention;
FIG. 7 is a front view of a second chilled bridge of the present invention;
FIG. 8 is a front view of an insulating gland plate of the present invention; .
In the figure: 1. the heat insulation door comprises a warehouse plate, 2, a movable door plate, 3, sealing strips, 301, a fixed section, 302, a sealing section, 303, an O-shaped sealing ring, 304, a connecting section, 4, an aluminum alloy door frame, 401, a first door frame, 402, a second door frame, 5, a heat insulation wire cover plate, 501, a baffle, 6, a plastic insert nut, 7, a plastic gasket, 8, a screw rod, 9, an aluminum alloy door opening edge, 10, a first heat insulation bridge, 11, a bayonet, 12, a groove, 13, a bulge, 14, a second heat insulation bridge, 15, a limiting block, 16 and a limiting groove.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the invention and therefore show only the structures which are relevant to the invention.
Examples
As shown in fig. 1-8, a translation door with cold-proof bridge aluminum alloy combination door frame, including storehouse board 1, removal door plant 2 and sealing strip 3, the intussuseption of storehouse board 1 is filled with polyurethane foaming material, remove door plant 2 and pass through the guide rail and slide and set up on storehouse board 1, be equipped with aluminum alloy door frame 4 on storehouse board 1, aluminum alloy door frame 4 is located storehouse board 1 with remove between door plant 2, be provided with thermal-insulated line apron 5 on aluminum alloy door frame 4, the material of thermal-insulated line apron 5 is PVC plastics, thermal-insulated line apron 5 is located the one end that aluminum alloy door frame 4 kept away from storehouse board 1, sealing strip 3 is located between aluminum alloy door frame 4 and removal door plant 2, sealing strip 3 has fixed section 301 and the seal section 302 of setting on fixed section 301, seal section 302 with aluminum alloy door frame 4 contact, thermal-insulated line apron 5 is close to 3's one end outwards extends to have baffle 501, baffle and seal section 302 contact.
The sealing sections 302 are arranged on two sides of the fixing section 301, and the baffle 501 is located between the sealing sections 302 on two sides of the fixing section 301.
The sealing section 302 is provided with an O-shaped sealing ring 303 and a connecting section 304, one end of the connecting section 304 is arranged on the O-shaped sealing ring 303, the other end of the connecting section 304 is arranged on the fixing section 301, and the baffle 501 is in contact with the O-shaped sealing ring 303.
Still include plastics inserts nut 6, plastic gasket 7 and screw rod 8, the one end setting of screw rod 8 is in on the aluminum alloy door frame 4, the other end of screw rod 8 passes storehouse board 1, plastics inserts nut 6 threaded connection is in the one end that aluminum alloy door frame 4 was kept away from to screw rod 8, plastic gasket 7 sets up between storehouse board 1 with plastics inserts nut 6. The aluminum alloy door frame 4 is provided with a clamping groove, a steel plate is clamped in the clamping groove, a fixing nut is welded on the steel plate, and one end of the screw rod 8, which is far away from the plastic insert nut 6, is in threaded connection with the fixing nut.
The aluminum alloy door frame 4 includes a first door frame 401 and a second door frame 402, and the insulated wire cover 5 is disposed between the first door frame 401 and the second door frame 402 and separates the first door frame 401 and the second door frame 402 from each other. The heat insulation line cover plate 5 is clamped on the first door frame 401 and the second door frame 402. Meanwhile, an automatic temperature control electric heating belt is arranged in the second door frame 402 and is covered in the second door frame 402 through a heat insulation wire cover plate 5, and the automatic temperature control electric heating belt is used for volatilizing condensed water on the second door frame 402.
The inside aluminum alloy door opening edge 9 that is equipped with of storehouse board 1, aluminum alloy door opening edge 9's transversal personally submits "L" structure, aluminum alloy door opening edge 9 with be provided with first cold bridge 10 that separates between the second door frame 402, first cold bridge 10 that separates is PVC plastics, first cold bridge 10 that separates is located one side that aluminum alloy door opening edge 9 is equipped with bayonet socket 11, bayonet socket 11 with aluminum alloy door opening edge 9 assorted, aluminum alloy door opening edge 9 inserts and establishes in the bayonet socket 11, first cold bridge 10 that separates is located one side of second door frame 402 and is equipped with recess 12, be equipped with on the second door frame 402 with recess 12 assorted protruding 13, protruding 13 sets up in recess 12, second door frame 402 with the clearance has between the storehouse board 1.
A second cold insulation bridge 14 is arranged between the first door frame 401 and the second door frame 402, and the second cold insulation bridge 14 is made of PVC plastic.
Two ends of the second cold-proof bridge 14 are provided with limiting blocks 15, the first door frame 401 and the second door frame 402 are respectively provided with limiting blocks 15 matched with the limiting ends, and the limiting blocks 15 are arranged in the limiting grooves 16.
When the sliding door with the cold-proof bridge aluminum alloy combined door frame is used, when the movable door plate 2 is closed, the movable door plate 2 is pushed to slide on the sliding rail on the warehouse plate 1, so that the opposite baffle plates 501 on the heat-proof line cover plate 5 are positioned between the sealing sections 302 on two sides of the sealing strip 3 and are contacted with one of the sealing sections 302, and the movable door plate 2 is closed; firstly, the cold air in the refrigerator can not be conducted to the screw rod 8 under the action of the plastic insert nut 6 and the plastic gasket 7, so that the cold air is prevented from being conducted to the aluminum alloy door frame 4 by the screw rod 8, the possibility of temperature difference of the refrigerator is caused, furthermore, the groove 12 on the first cold insulation bridge 10 is matched with the protrusion 13 on the second door frame 402, so that the passing path of the cold air between the first cold insulation bridge 10 and the second door frame 402 is increased, the leakage speed of the cold air is reduced, meanwhile, the gap between the refrigerator plate 1 and the second door frame 402 is used for preventing the cold air on the second door frame 402 from being conducted to the second door frame 402 directly, the heat insulation performance of the refrigerator is ensured, the refrigerator is sealed by the sealing section 302 on the sealing strip 3 and the aluminum alloy door frame 4 through the contact of the heat insulation wire cover plate 5, the outward protruding sealing section 501 is arranged on the heat insulation wire cover plate 5, the sealing strip 501 is contacted with the sealing section 302 of the sealing strip 3, the cold air leakage speed is increased, and meanwhile, the leakage speed of the cold air can be reduced when the heat insulation speed of the cold air is increased.
The above-described preferred embodiments according to the present invention are intended to suggest that, from the above description, various changes and modifications can be made by the worker in question without departing from the technical spirit of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (6)
1. A translation door with separate cold bridge aluminum alloy combination door frame, its characterized in that: the heat insulation type garage comprises a garage plate (1), a movable door plate (2) and a sealing strip (3), wherein the movable door plate (2) is arranged on the garage plate (1), an aluminum alloy door frame (4) is arranged on the garage plate (1), the aluminum alloy door frame (4) is positioned between the garage plate (1) and the movable door plate (2), a heat insulation wire cover plate (5) is arranged on the aluminum alloy door frame (4), the heat insulation wire cover plate (5) is used for isolating cold air in the garage plate (1) from being conducted outside the garage plate (1) through the aluminum alloy door frame (4), the heat insulation wire cover plate (5) is made of PVC plastic, the heat insulation wire cover plate (5) is positioned at one end, far away from the garage plate (1), of the aluminum alloy door frame (4), the sealing strip (3) is positioned between the aluminum alloy door frame (4) and the movable door plate (2), the sealing strip (3) is provided with a fixing section (301) and a sealing section (302) arranged on the fixing section (301), the fixing section (301) is arranged on the movable door plate (2), and the sealing section (302) is in contact with the sealing strip (501) and extends towards one end, close to the sealing strip (501), and is in contact with the sealing strip (3) of the heat insulation type seal plate (501).
The two sides of the fixed section (301) are provided with the sealing sections (302), and the baffle plate (501) is positioned between the sealing sections (302) at the two sides of the fixed section (301);
the sealing section (302) is provided with an O-shaped sealing ring (303) and a connecting section (304), one end of the connecting section (304) is arranged on the O-shaped sealing ring (303), the other end of the connecting section (304) is arranged on the fixing section (301), and the baffle plate (501) is in contact with the O-shaped sealing ring (303).
2. The sliding door with cold-bridge aluminum alloy composite door frame of claim 1, wherein: still include plastics inserts nut (6), plastics gasket (7) and screw rod (8), the one end setting of screw rod (8) is in on aluminum alloy door frame (4), the other end of screw rod (8) passes storehouse board (1), plastics inserts nut (6) threaded connection is in one end that aluminum alloy door frame (4) was kept away from to screw rod (8), plastics gasket (7) set up in storehouse board (1) with between plastics inserts nut (6).
3. The sliding door with cold-bridge aluminum alloy composite door frame of claim 1, wherein: the aluminum alloy door frame (4) comprises a first door frame (401) and a second door frame (402), and the heat insulation wire cover plate (5) is arranged between the first door frame (401) and the second door frame (402) and separates the first door frame (401) and the second door frame (402) from each other.
4. A sliding door having a cold bridge aluminum alloy composite door frame as defined in claim 3, wherein: the aluminum alloy door opening edge (9) is arranged on the inner side of the warehouse board (1), a first cold isolation bridge (10) is arranged between the aluminum alloy door opening edge (9) and the second door frame (402), the first cold isolation bridge (10) is made of PVC plastic, a bayonet (11) is arranged on one side of the aluminum alloy door opening edge (9) where the first cold isolation bridge (10) is located, the bayonet (11) is matched with the aluminum alloy door opening edge (9), the aluminum alloy door opening edge (9) is inserted into the bayonet (11), a groove (12) is formed in one side of the first cold isolation bridge (10) which is located on the second door frame (402), a protrusion (13) matched with the groove (12) is arranged on the second door frame (402), and a gap is formed between the second door frame (402) and the warehouse board (1).
5. The sliding door with cold-bridge aluminum alloy composite door frame of claim 4, wherein: a second cold insulation bridge (14) is arranged between the first door frame (401) and the second door frame (402), and the second cold insulation bridge (14) is made of PVC plastic.
6. The sliding door with cold-bridge aluminum alloy composite door frame of claim 5, wherein: two ends of the second cold isolation bridge (14) are provided with limiting blocks (15), the first door frame (401) and the second door frame (402) are respectively provided with limiting blocks (15) matched with the limiting ends, and the limiting blocks (15) are arranged in limiting grooves (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710784218.4A CN107401881B (en) | 2017-09-04 | 2017-09-04 | Sliding door with cold-proof bridge aluminum alloy combination door frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710784218.4A CN107401881B (en) | 2017-09-04 | 2017-09-04 | Sliding door with cold-proof bridge aluminum alloy combination door frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107401881A CN107401881A (en) | 2017-11-28 |
| CN107401881B true CN107401881B (en) | 2023-10-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710784218.4A Active CN107401881B (en) | 2017-09-04 | 2017-09-04 | Sliding door with cold-proof bridge aluminum alloy combination door frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107401881B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111397280B (en) * | 2020-03-27 | 2021-07-16 | 深圳市方佳建筑设计有限公司 | Underground refrigeration house structure |
| CN118513740B (en) * | 2024-07-25 | 2024-09-20 | 江苏晶雪节能科技股份有限公司 | Intelligent welding equipment and method for cold storage door production |
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| JPH0829050A (en) * | 1994-07-18 | 1996-02-02 | Tabai Espec Corp | Insulating container having inner lid of door |
| JP3649570B2 (en) * | 1998-02-16 | 2005-05-18 | ホシザキ電機株式会社 | Storage |
| CN2357105Y (en) * | 1998-12-18 | 2000-01-05 | 海尔集团公司 | Aluminium and plastic combined thermal insulation door frame section |
| ITMI20010472A1 (en) * | 2001-03-07 | 2002-09-07 | Ilpea Ind Spa | IMPROVED SEAL SET FOR REFRIGERATED AND SIMILAR FURNITURE WITH PLASTIC PROFILE |
| DE102007062024A1 (en) * | 2007-12-21 | 2009-06-25 | BSH Bosch und Siemens Hausgeräte GmbH | Refrigerator for household purposes, has doors with sealings that lie in sealing level along front strip of front frames of corpus in closed position of doors, where front strip includes front section that projects from sealing level |
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| CN206273989U (en) * | 2016-12-20 | 2017-06-23 | 江苏奥飞久通门业科技有限公司 | A kind of medical translation door of sunk type |
| CN207180150U (en) * | 2017-09-04 | 2018-04-03 | 江苏晶雪节能科技股份有限公司 | With the translation door every cold bridge aluminum alloy combination doorframe |
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| CN107401881A (en) | 2017-11-28 |
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