KR200448747Y1 - Door with strengthen airtight and insulation - Google Patents

Door with strengthen airtight and insulation Download PDF

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Publication number
KR200448747Y1
KR200448747Y1 KR2020080016182U KR20080016182U KR200448747Y1 KR 200448747 Y1 KR200448747 Y1 KR 200448747Y1 KR 2020080016182 U KR2020080016182 U KR 2020080016182U KR 20080016182 U KR20080016182 U KR 20080016182U KR 200448747 Y1 KR200448747 Y1 KR 200448747Y1
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KR
South Korea
Prior art keywords
plate
door
iron plate
extension plate
gap
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Application number
KR2020080016182U
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Korean (ko)
Inventor
백종기
Original Assignee
(주)금강이엠씨
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Priority to KR2020080016182U priority Critical patent/KR200448747Y1/en
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Publication of KR200448747Y1 publication Critical patent/KR200448747Y1/en

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    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B7/00—Special arrangements or measures in connection with doors or windows
    • E06B7/16—Sealing arrangements on wings or parts co-operating with the wings
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/70—Door leaves
    • E06B3/7015—Door leaves characterised by the filling between two external panels
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/70—Door leaves
    • E06B3/72—Door leaves consisting of frame and panels, e.g. of raised panel type
    • E06B3/76—Door leaves consisting of frame and panels, e.g. of raised panel type with metal panels
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
    • E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
    • E06B5/16—Fireproof doors or similar closures; Adaptations of fixed constructions therefor

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Special Wing (AREA)

Abstract

The present invention relates to a door with enhanced airtightness, which extends from the outdoor side plate and the indoor side plate constituting the door body to be spaced apart from each other by mutually spaced apart from each other and at the same time, the spaced apart By providing a heat insulating member in the space to block the heat conduction path between the outer iron plate and the inner iron plate,

The present invention relates to a door having improved heat insulation and airtightness, which can prevent condensation of the inner steel plate caused by heat loss of the inner steel plate due to the structure in which the extension plate of the outer steel plate exposed to the outside air is in direct contact with the inner steel plate.

In addition, it is possible to increase the airtightness and heat insulation effect by adding a packing member to the inlet gap between the door body and the door frame, and ultimately to a door with improved heat insulation and airtightness that can achieve an energy saving effect.

Door, airtight, windproof, heat insulation

Description

Door with strengthen airtight and insulation

According to the present invention, the inner and outer steel plates, which extend from the inner and outer steel plates constituting the door, are spaced apart from each other to overlap each other in a non-contact form, and the insulating member is provided in the separation space. Since the heat transfer path to the inner steel plate is blocked by the non-contact structure with the heat resistance and relates to a door with improved heat insulation and airtightness that can prevent condensation of the inner steel plate due to heat conduction.

As energy saving is emphasized in recent years, insulation and airtightness in buildings have recently been strengthened. On the other hand, if insulation and airtightness are not adequate, condensation is likely to occur on the front doors or windows.

Particularly, the corridor-type apartments in which the front door (fire door) is directly exposed to the outside air of the building have a large indoor and outdoor temperature difference based on the front door, so condensation on the inside of the front door is more severe.

Such condensation is a direct cause of mold development along with corrosion of the surrounding structures. Recently, the insulation and airtightness of the fire door itself is strongly required during construction.

Existing general fire door (hereinafter referred to as 'door body') is the inner iron plate 200 located on the indoor side and the outer iron plate 100 located on the outdoor side as shown in [a] (a) at intervals before and after It is positioned and has a form in which the heat insulating material 300 is filled between the interior and exterior iron plates 200 and 1200.

In this case, the door 1000 and the door frame 500 may be extended by extending the blocking blades 110 bent in the form of a mullion folding at the end of the outer steel plate 100 to block the inflow of outside air into the gap between the door 1000 and the door frame 500. The inner and outer iron plates 200 and 100 are coupled to each other in such a manner that the gap between the gaps and the end of the coupling plate 250 extending from the inner iron plate 200 is inserted into the blocking blade 110.

However, the door of such a structure can be blocked to some extent that the outside air is directly introduced into the gap with the door frame 500 by the blocking blade 110, but directly in contact with the external air blocking blade 110 having a relatively low temperature. Since the direct contact with the coupling plate 250 of the inner iron plate 200, eventually the inner iron plate is easily cooled through heat conduction.

Therefore, condensation is inevitably generated due to warm indoor air.

In order to solve this problem by placing the insulating member 340 between the blocking blade 110 and the coupling plate 250 as shown in Fig. 1 (b), the blocking blade 110 and the coupling plate ( A structure that cuts off the heat conduction by direct contact between the two members is also proposed.

However, in addition to the first structure in the above structure, both the door frame 500 and the door 1000, simply covering the gap with the blocking wing 110 to prevent the inflow of external air, so the door frame 500 and the blocking wing 110 substantially. Outside air flows into the micro-gap in between.

Therefore, the outside air introduced in this way can be in direct contact with the inner steel plate 200 in the inlet gap 900 between the door frame and the inner steel plate 200, thereby cooling the inner steel plate 200, thereby preventing condensation. none.

In addition, the technology disclosed in the Republic of Korea Patent No. 0465281 is provided with an internal bone iron plate 700 in the interior of the door body as shown in [Fig. 2] and the front and rear ends of the internal bone iron plate 700 (100) To connect the (200), but is connected so as to form a gap between the inner bone iron plate 700 and each front and rear iron plate (100, 200) is a heat transfer between the front iron plate portion 100 and the rear iron plate portion (200) It is a structure to block.

 In addition, the steel plate 800 for hermeticity is placed between the door body and the door frame, which is also connected to the internal bone plate 700 at intervals to block the thermal conduction between each other, the front plate 100 and the silicon It is connected through the structure to block the heat conduction.

In addition, it is characterized in that the airtightness is further increased through contact between the airtight iron plate 810 and the rubber packing 430 of the door frame 500 which are bent at the end of the hermetic steel sheet 800.

Thus, in the prior art, there is no direct contact between the front and rear side plate 100, 200, the internal bone plate 700, and the steel plate 800 for the airtightness, so that the thermal conductivity between the front and rear side plate 100, 200 is not. May appear to be blocked,

Unlike the previous two prior arts, once the front plate 100 is not provided with a blocking wing to block the inflow of external air into the inlet gap 900 between the front plate 100 and the door frame 500 in advance. Can't.

At this time, since the hermetic steel sheet 800 is exposed on the inflow gap 900, it is inevitably cooled by external air introduced into the inflow gap 700.

However, one end of the wind blowing column 810 integrally extended from the steel plate 800 for airtightness is directly in contact with the rear plate 200 (A) side end portion of the rear plate 200 is also confidential steel plate Since the structure (B) for direct contact support (800), the heat conduction between the rear plate 200 and the hermetic steel plate 800 is finally made condensation on the rear plate 200 is bound to occur.

That is, the prior art merely blocks the path of the cold air of the front plate 100 and the steel plate 200 for confidentiality to the rear plate 200 through the inner bone iron plate 700, the airtight The direct heat conduction path between the maintenance plate 800 and the back plate 200 is not blocked.

In addition, most of the space in the gap is empty because the front plate 100 and the airtight steel sheet 800 are positioned with a gap between the internal bone plate 700 and the riveting. .

Therefore, due to the temperature difference between the internal temperature of the cooled front plate 100 and the hermetic steel sheet 800 and the gap inside, there is a high possibility that condensation may occur in the gap.

The present invention is proposed to solve the problems of the various prior art as described above,

In addition to blocking the inflow of external air primarily through the inflow gap between the door frame and the door body, even if the outside air is inflowed and the extension plate corresponding to the confidential steel sheet of the prior art is cooled, the heat transfer path with the inner steel plate is perfectly. The object of the present invention is to provide a door with improved heat insulation and airtightness, which can increase the condensation prevention effect of the inner steel plate.

In addition, the outer extension plate extending from the outer iron plate and the inner extension plate extending from the inner iron plate to be separated from each other to block the heat conduction between the outer iron plate and the inner iron plate, by providing an insulating member in the separation space between the temperature between the space and the outer iron plate It is an object of the present invention to provide a door with improved insulation and airtightness, which can prevent condensation from occurring due to temperature differences.

In addition, since a separate packing member is provided between the door body and the door frame, it is possible to increase the original blocking and insulation efficiency of inflow of external air, and as a result, to provide a door with improved insulation and airtightness, which can also reduce heating energy. It is done.

The present invention for achieving the above object,

Insulating material is provided between the inner and outer steel plate as a basic configuration,

Inner and outer extension plates extend toward each other from the ends of the outer iron plate and the inner iron plate, respectively, and are spaced apart from each other on the inlet gap between the door frame and the door,

 Insulation member is provided in the spaced space between the inner and outer extension plate.

At least one of the inner and outer extension plates is positioned to press the heat insulating member by bending inwardly, and a shielding wing is provided at an end of the door frame of the outer steel plate to provide a packing member between the shielding wing and the door frame. It is characterized by blocking the inflow of external air.

The present invention having the characteristics as described above,

As the inner and outer extension plates extending from the outer steel plate and the inner steel plate are respectively spaced apart from each other on the inflow gap, even if the outside air flows into the inflow gap, it can be prevented from being transmitted directly to the inner steel plate, and the heat conduction with the outside air and the outer steel plate Even when the inner extension plate is cooled, heat conduction is not performed with the outer iron plate, thereby increasing the condensation prevention effect.

In addition, by forming a fine gap between the outer extension plate and the inner iron plate together with the separation structure between the inner and outer extension plate, a complete non-contact structure between the outer iron plate and the inner iron plate can be achieved.

In addition, by providing a heat insulating member in the space between the inner and outer extension plate, even if the temperature difference between the inner extension plate itself and the space is generated, it is possible to prevent the occurrence of condensation in the space and to further enhance the thermal insulation effect. There is an advantage.

In addition, a packing member is provided in the inflow gap between the door and the door frame to block external air inflow more reliably, and the inner extension plate is extended so that the inner extension plate is in close contact with the packing member, thereby increasing the blocking efficiency of the outside air. There is an advantage.

And since the gap portion is located inside the close point between the inner extension plate and the packing member without being exposed to the outdoor side, there is an advantage that the airtightness can be increased.

In addition, through the airtight structure and the insulation structure, as well as condensation phenomenon and the indoor and outdoor insulation effect naturally increases, it is possible to obtain the overall heating energy saving effect.

Hereinafter, with reference to the configuration illustrated in the drawings will be described an embodiment of the overall configuration and its operation of the present invention. For reference, in the reference numerals, the part marked with (~) means a space.

The airtight door of the present invention has an outer iron plate 100 and an inner iron plate 200, a blocking blade 110, an outer extension plate 120, and an inner extension plate 220 as shown in FIGS. 3 and 4. ), The heat insulating member 320, 330 and the packing member 410, 420, the overall installation structure is a door body 1000 consisting of the outer iron plate 100 and the inner iron plate 200 as shown in FIG. ) Has a form coupled to the door frame 500 installed in all directions through the hinge 600.

First, the door frame 500 applied to the present invention has a first stepped portion 510 of a predetermined depth toward the interior from the surface exposed to the outside as shown in FIGS. 4 and 5. The second step portion 520 has a structure in which the second step portion 520 is formed at a point further deepened from the step portion 510 to the inside.

The stepped parts 510 and 520 are for installing the packing members 410 and 420 on the inlet gap 700 between the door body 1000 and the door frame 500, and the first stepped parts 510. It is provided with a first packing member 410 for close contact with the blocking blade 110 to be described later and the second step 520, the second packing member 420 for close contact with the outer extension plate 120 to be described later Is provided.

Each of the stepped portions 510 and 520 may be formed along the door frame 500 and may further form the stepped portion according to the number of installation of the packing member.

The outer iron plate 100 is a part that serves as the main skeleton of the door body 1000 together with the inner iron plate 200 to be described later is exposed to the outdoors as shown in FIG. It has a rectangular plate shape, but its shape, size, thickness, etc. are used in various modifications to a standard suitable for the corresponding building.

The four sides of the outer iron plate 100 is formed with a blocking blade 110 to prevent the inlet gap 900 between the door frame 500 and the door body 1000, the blocking blade 110 is the outer steel plate (through sheet metal processing) 100) formed by bending the rim at right angles twice inward.

That is, as shown in the drawing, a first contact surface 112 is formed to be in close contact with the inner surface of the door frame 500 when the door is bent at a right angle, and the end of the first contact surface 112 is bent at a right angle. A second contact surface 114 is in close contact with the first stepped portion 510 of the door frame 500.

At this time, the space portion 116 is formed between the second contact surface 114 and the outer steel plate 100 by the front and rear width C of the first contact surface 112, and the outer side in the space portion 116 later The main insulation member 320 located between the iron plate 100 and the inner iron plate 200 is filled.

In this way, if the front and rear width C of the first contact surface 112 is made large, the contact area with the door frame 500 becomes wider, so that the front and rear thickness of the first contact surface 112 is larger than that of the inlet gap 900 having a relatively thin front-and-back thickness. Inflow of external air becomes difficult.

In addition, as described above, a separate first packing member 410 may be provided on the second contact surface 114 or the first stepped portion 510 to more reliably block external air from entering the inflow gap 900. have.

 The blocking wing 110 is formed over the entire four sides of the outer iron plate (100).

The blocking blade 110 is provided with an outer extension plate 120 for blocking external air contact with the inner iron plate 200 to be described later and preventing the inflow into the room, the outer extension plate 120 is the second Located in the vertically extending form from the contact surface 114 toward the second packing member 420 is located in the inlet gap 900, is also formed over the entire outer steel plate 100 edge.

In this case, the front and rear widths of the outer extension plate 120 are later protruded toward the interior side than the inner iron plate 200 when the inner iron plate 200 is installed so that the end of the first extension plate 120 is closed when the door is closed. By pressing the second packing member 420 to allow the end portion to enter the second packing member 420, the outside air is prevented from entering the room.

However, since the first extension plate 120 that is substantially manufactured has a thin thickness and a sharp edge, the pressing portion may be damaged when the end portion presses the second soft packing member 420.

Accordingly, as shown in the drawing, the end of the outer extension plate 120 is folded into several layers to smoothly process the end so as to be in contact with the second packing member 420.

The inner side of the outer side plate 100 is provided with an outer extension plate 120 is provided with an inner side plate 200 to serve as the main skeleton of the door body 1000, along with the outer side plate 100, the inner side plate 200 Is located in the room in the form of a plate having an almost the same area as the outer iron plate (100).

And the inner iron plate 200 is positioned at an interval before and after the outer iron plate 100 and the main insulation member 320 is filled therebetween. For reference, the heat insulating members used in the present invention, including the main insulation member 320, are already known, and thus, further description thereof will be omitted.

An inner extension plate 220 is integrally formed at the edge of the inner iron plate 200 to form an installation space of the auxiliary insulation member 330 coupled to the outer iron plate 100 and described later, and the inner extension plate 220. ) Is bent to face the outer iron plate 100 through sheet metal processing, like the outer extension plate.

Since the inner iron plate 200 is a part located indoors, direct contact with the outside air is not made, and the outer iron plate 100 and the blocking blade 110 and the outer extension plate 112 are directly affected by the outside air. Excessive thorough non-contact structure can prevent heat conduction.

Of course, the inner extension plate 220 integrally formed with the inner iron plate 200 should also have a non-contact structure with other parts as well as external air.

In order to prevent direct contact with external air, the inner iron plate 200 and the inner extension plate 220 are installed to be inserted into the outer extension plate 120 as shown in the drawing so that the outer extension plate 120 is connected to the inner iron plate 200. As the entire inner, upper, lower, left, and right sides of the inner extension plate 220 are wrapped around the outside, the inner iron plate 200 and the inner extension plate 220 do not make direct contact with external air.

The bending portion 222 between the inner steel plate 200 and the inner extension plate 220 is spaced apart from the outer extension plate 200 to form a gap portion 230 therebetween, and the entire inner extension plate 220 is also outside. As the inner plate is spaced apart from the extension plate 120, contact between the inner iron plate 200 and the outer extension plate 200 is not made.

Therefore, the heat conduction phenomenon between the outer steel plate, the outer extension plate and the inner iron plate does not occur due to the mutual non-contact structure.

 At this time, there is provided a separate auxiliary insulating member 330 in the space 232 between the inner and outer extension plates 120, 220,

The reason why the auxiliary insulation member 330 is provided is that, if there is no auxiliary insulation member 330, when the warm indoor air is supplied into the separation space 232 through the gap portion 230, the internal temperature of the separation space 232 is maintained. This is because condensation may occur on a wall surface of the outer extension plate 120 toward the separation space 232 due to the temperature difference between the inner extension plate 120 and the lower temperature.

In addition, if the temperature in the separation space 232 is lower than the room temperature in the course of the above process, the inner extension plate 220 and the inner iron plate 200 also loses its own heat, which may eventually cause condensation on the inner iron plate 200. There is also.

That is, the auxiliary insulation member 330 is used to prevent indirect heat transfer between the outer extension plate 120 and the inner iron plate 200.

As a result, the present invention prevents heat conduction due to direct contact with each other by separating the outer extension plate 120 and the inner iron plate 200, and also indirect heat transfer due to the temperature change in the separation space 232. It can be prevented.

And, as shown in FIG. 5, the interval S in the spaced space 232, that is, the distance between the outer extension plate 120 and the inner extension plate 220, is for the installation of the auxiliary insulation member 330 together with the blocking of heat transfer between them. Sufficient clearance must be ensured,

Since the gap 230 is intended to block heat transfer that may occur when the inner and outer extension plates 120 and 220 contact each other, the inner and outer extension plates 120 and 220 may not be in contact with each other. Make sure that there is a gap in which a small gap is formed.

Therefore, the gap (S ') of the gap portion 230 is formed to be narrower than the interval (S) between the outer extension plate 120 and the inner extension plate 220 and the auxiliary insulation member 330 is the gap portion 230 It also has the effect of preventing the escape from the outside.

The gap 230 is implemented by bending a portion of the inner extension plate 220 as shown in the drawing so that the bent portion 222 between the inner iron plate 200 and the inner extension plate () protrudes toward the outer extension plate 120. .

On the contrary, the outer extension plate 120 may be bent to protrude toward the bent portion 222, or the bending portion 222 and the outer extension plate 120 may be bent together to protrude toward each other. have.

In addition, as shown in the drawing, when the inner extension plate 220 is in close contact with the second packing member 420, the gap 230 and a part of the inner steel plate 200 are also in close contact with the second packing member 420. It is possible to reliably block the possibility of inflow of.

Hereinafter will be described the operation of the present invention.

First, in the state in which the door is closed as shown in FIG. 4, the outer iron plate 100 is easily cooled by cold external air, and at the same time, the outer extension plate 120 is also cooled through heat conduction.

However, since the inner extension plate 220 is spaced apart from the outer extension plate 120, no direct heat transfer phenomenon occurs between the outer extension plate 120 and the inner iron plate 200.

In addition, since the auxiliary insulating material 330 fills the space 232 between the inner and outer extension plates 120 and 220, the indirect heat transfer phenomenon is also prevented from each other.

In addition, airtightness and heat insulation of the external air introduced into the inlet gap 900 is also important. The external air, which is first introduced first, is mostly blocked by the first packing member 410 and passes through some first packing members 410. Even though the inflow gap 900 is introduced, the outer extension plate 120 does not affect the inner steel plate 200 due to the state in which the end of the outer extension plate 120 is pressed and held in the second packing member 410.

In addition, although the external air introduced into the inlet gap 900 also serves to lower the temperature of the outer extension plate 120, as described above, direct and indirect contact with the inner iron plate 200 including the inner extension plate 220 may occur. Since it is a completely blocked state, the inner iron plate 200 itself does not cause heat loss.

Therefore, the reason for having the blocking blade 110 and the packing member in the present invention is an additional configuration for further enhancing the airtightness and insulation to the outside air, as described above between the outer extension plate 120 and the inner extension plate 220 Only the separation structure is enough to obtain a high airtightness compared to the prior art.

That is, the present invention is located in the form of completely spaced apart from the inner side extension plate 220 connected to the inner side plate 200 is connected to the outer side plate 100, the airtight that serves as the outer side extension plate of the present invention The main feature of the present invention is that the steel plate for maintenance is directly connected to the inner door to solve the problems of the prior art in which thermal conduction of the inner steel plate is caused.

In addition, by providing a heat insulating member in the separation space together with the heat conduction blocking through the separation, not only can the insulation effect be more surely obtained, but also the packing member is installed on the inflow path of the outside air to block the infiltration of outside air more reliably. Another feature is that the heating energy saving effect can be obtained.

Figure 1 (a) (b) and Figure 2 is a view showing the airtight structure of a conventional door

3 is a partial cutaway perspective view showing the overall appearance and internal structure of the present invention

4 is a cross-sectional view showing the internal airtight structure when the door is closed.

5 is a partially enlarged view of an internal hermetic structure;

Claims (4)

In the door body provided with a main insulating material between the inner and outer iron plate, The outer extension plate extending from the outer iron plate toward the inner iron plate and the inner extension plate extending from the inner iron plate toward the outer iron plate are disposed to be spaced apart from each other on an inflow gap between the door body and the door frame, thereby extending the outer extension plate and the inner extension plate. Spaces are formed between them, A separate auxiliary insulating member is provided in the spaced space between the inner and outer extension plates, The bending portion where the inner extension plate and the inner iron plate meet is spaced apart from the outer extension plate to form a gap, the gap (S ') of the gap portion is characterized in that the narrower than the interval (S) between the inner and outer extension plate And improved door tightness. delete The method of claim 1, The door is improved insulation and airtightness, characterized in that the packing member is provided between the end of the outer side extending toward the interior and the door frame. The method of claim 3, wherein The outer extension plate is an end of the door is more protruding toward the interior than the inner steel plate is the end is in close contact with the packing member, characterized in that the door and improved airtightness.
KR2020080016182U 2008-12-05 2008-12-05 Door with strengthen airtight and insulation KR200448747Y1 (en)

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101022962B1 (en) 2010-11-23 2011-03-16 대림산업 주식회사 Steel door
KR20170019124A (en) 2015-08-11 2017-02-21 오경옥 The door improved fire protecting property and the fire door unit comprising the same
KR101705626B1 (en) * 2016-07-29 2017-02-22 이명현 Heat insulation fire door
KR20170031113A (en) * 2017-02-28 2017-03-20 최강진 Plate separation type anti dewing fire door
KR101785465B1 (en) 2017-03-13 2017-10-16 최강진 Contactless plate type anti dewing fire door
KR101788657B1 (en) 2017-02-28 2017-10-20 이승용 Fire door with improved heat insulation property
KR101897928B1 (en) * 2017-11-27 2018-09-12 이원용 Multi functional safety door
KR101918148B1 (en) * 2018-06-18 2018-11-14 (주)영남유리산업 Fire-proof door having heat expanded blocking insulator
KR20190086098A (en) * 2018-01-12 2019-07-22 최강진 Separated end type anti dewing fire door
KR20190086411A (en) * 2019-07-10 2019-07-22 최강진 Separated end type anti dewing fire door
JP2022011852A (en) * 2020-06-30 2022-01-17 大栄建材株式会社 Door and jamb

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200390271Y1 (en) * 2005-04-14 2005-07-22 조현식 Fireproof Door
KR200396315Y1 (en) * 2005-07-07 2005-09-20 동방노보펌 주식회사 Structure for shutting smoke in a door

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200390271Y1 (en) * 2005-04-14 2005-07-22 조현식 Fireproof Door
KR200396315Y1 (en) * 2005-07-07 2005-09-20 동방노보펌 주식회사 Structure for shutting smoke in a door

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101022962B1 (en) 2010-11-23 2011-03-16 대림산업 주식회사 Steel door
KR20170019124A (en) 2015-08-11 2017-02-21 오경옥 The door improved fire protecting property and the fire door unit comprising the same
KR101884503B1 (en) * 2015-08-11 2018-08-01 오경옥 The door improved fire protecting property and the fire door unit comprising the same
KR101705626B1 (en) * 2016-07-29 2017-02-22 이명현 Heat insulation fire door
KR20170031113A (en) * 2017-02-28 2017-03-20 최강진 Plate separation type anti dewing fire door
KR101788657B1 (en) 2017-02-28 2017-10-20 이승용 Fire door with improved heat insulation property
KR101889303B1 (en) 2017-02-28 2018-08-20 최강진 Plate separation type anti dewing fire door
KR101785465B1 (en) 2017-03-13 2017-10-16 최강진 Contactless plate type anti dewing fire door
KR101897928B1 (en) * 2017-11-27 2018-09-12 이원용 Multi functional safety door
KR20190086098A (en) * 2018-01-12 2019-07-22 최강진 Separated end type anti dewing fire door
KR102073911B1 (en) * 2018-01-12 2020-02-05 최강진 Separated end type anti dewing fire door
KR101918148B1 (en) * 2018-06-18 2018-11-14 (주)영남유리산업 Fire-proof door having heat expanded blocking insulator
KR20190086411A (en) * 2019-07-10 2019-07-22 최강진 Separated end type anti dewing fire door
KR102073913B1 (en) * 2019-07-10 2020-02-05 최강진 Separated end type anti dewing fire door
JP2022011852A (en) * 2020-06-30 2022-01-17 大栄建材株式会社 Door and jamb
JP7315225B2 (en) 2020-06-30 2023-07-26 大栄建材株式会社 door and frame

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