KR101654682B1 - Through-wall pipe connecting device and constructing method of through-walll pipe use the same - Google Patents
Through-wall pipe connecting device and constructing method of through-walll pipe use the same Download PDFInfo
- Publication number
- KR101654682B1 KR101654682B1 KR1020150115221A KR20150115221A KR101654682B1 KR 101654682 B1 KR101654682 B1 KR 101654682B1 KR 1020150115221 A KR1020150115221 A KR 1020150115221A KR 20150115221 A KR20150115221 A KR 20150115221A KR 101654682 B1 KR101654682 B1 KR 101654682B1
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- KR
- South Korea
- Prior art keywords
- wall
- pipe
- sleeve
- foamed
- hole
- Prior art date
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L5/00—Devices for use where pipes, cables or protective tubing pass through walls or partitions
- F16L5/02—Sealing
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G15/00—Forms or shutterings for making openings, cavities, slits, or channels
- E04G15/06—Forms or shutterings for making openings, cavities, slits, or channels for cavities or channels in walls of floors, e.g. for making chimneys
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L5/00—Devices for use where pipes, cables or protective tubing pass through walls or partitions
- F16L5/02—Sealing
- F16L5/04—Sealing to form a firebreak device
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L5/00—Devices for use where pipes, cables or protective tubing pass through walls or partitions
- F16L5/02—Sealing
- F16L5/10—Sealing by using sealing rings or sleeves only
Abstract
The present invention relates to a wall pipe connecting device for connecting and fixing a wall through pipe passing through a through hole provided in a through hole passing through a wall, the wall pipe connecting device being provided at one side through hole of the wall, 1 and a second through-hole formed in the first and second through-holes, the first and second fitting spaces having a diameter enlarged at one side to be inserted and opened at one side, first and second foaming agents First and second foamed refractory fillers accommodated in the first and second foaming agent receiving spaces, first and second foamed agent filling spaces accommodating the first and second foaming agent receiving spaces, A first and a second sleeve portion including first and second sleeve bodies, first and second foamed refractory fillers, and first and second flange portions formed by being packaged, the first and second sleeve portions including first and second flange portions, The first fitting hole And a control tube connected to the first sleeve portion and the second sleeve portion, respectively, inserted into the second and third fitting spaces, respectively, and having a predetermined length corresponding to the thickness of the wall body.
Therefore, since the sleeve portion including the flange portion is packaged and manufactured in the factory, the sleeve portion is simply installed in the through hole so that the construction is very easy and the construction cost is reduced. .
Description
The present invention relates to a wall pipe connection apparatus and a method of constructing a wall pipe using the wall pipe connection apparatus. More particularly, the present invention relates to a wall pipe connection apparatus, And a method of constructing a wall pipe using the same.
Generally, apartment houses and apartment houses are equipped with bridges and perforated sleeves prior to concrete pouring in order to install various electrical wiring and piping holes in gas facilities, piping holes in fire-fighting facilities, and through-holes for drainage pipes in masonry walls and concrete retaining walls. Requires installation.
Therefore, in order to install a pipe penetrating the wall retaining wall of such a building, a single pipe-type construction through sleeve having a certain diameter and length is used inside the formwork.
However, although the wall pipe connection apparatus such as the conventional sleeve can be a main passage through which flames and smoke are transmitted in the event of a fire, there has been a problem in that there is little way to prevent this.
In addition, since the conventional wall pipe connection device is difficult to install the finished product on the field, it is necessary to assemble the pipe after completing various piping, so that the installation technique of the foamed fireproofing agent is changed according to the installation tendency of the installer, There is a problem in that it is difficult to standardize and modularize the product because it is necessary to change the length and shape of the wall sleeve according to the thickness of the wall.
The present invention can effectively prevent flame propagation in case of fire, and it is a structure that does not require separate parts joining work for installation of refractory filler and airtight structure in the field, and various piping installation work And it is an object of the present invention to provide a wall pipe connection apparatus which can standardize and modularize a product and a wall pipe construction method using the wall pipe connection apparatus.
According to an aspect of the present invention, there is provided a wall pipe connection device for connecting and fixing a wall through pipe through a through hole provided in a through hole passing through a wall, the wall pipe connecting device comprising: A sleeve body having a through-hole through which the wall through-pipe is formed in a tubular shape, a sleeve body having a diameter expanding toward one side opposite to the insertion direction, and a space for accommodating a foaming agent in which the one side is opened; And a flange portion coupled to the sleeve body to close the foaming agent receiving space, wherein the sleeve body, the foamed refractory filler, and the flange portion are formed by being packaged, to provide.
According to another aspect of the present invention, there is provided a wall pipe connecting device for connecting and fixing a wall through pipe through a through hole provided in a through hole passing through a wall, the wall pipe connecting device comprising: A first penetrating hole formed in the shape of a tube and through which the wall through pipe penetrates, a first fitting space having a diameter enlarged at one side to be inserted and opened at one side, a first fitting space having a diameter extended at the other side, A first foamed refractory filler accommodated in the first foamed material accommodating space, and a second foamed refractory filler accommodated in the first foamed material accommodating space, A first sleeve portion including a first flange portion, the first sleeve body, the first foamed refractory filler and the first flange portion being packaged; A second through hole provided in the other through hole of the wall facing the first sleeve portion and through which the wall through pipe is inserted in the shape of a tube, A second sleeve body formed with a second fitting space facing the first fitting space when the first foaming agent is installed on the wall and a second foaming agent receiving space having a diameter expanded on the other side and the other side opened; A second foamed refractory filler accommodated in the accommodating space and a second flange portion coupled to the second sleeve body to enclose the second foaming agent receiving space so that the second foamed refractory filler and the second foamed refractory filler, A second sleeve part formed by packaging a second flange part; And the first sleeve and the second sleeve are respectively inserted into the first fitting space and the second fitting space facing each other in the tubular shape and connected to the first sleeve part and the second sleeve part, respectively.
According to another aspect of the present invention, there is provided a method of manufacturing a building, the method comprising: providing a mold for forming a wall of a building; A first through hole through which the wall through pipe is passed in a tubular shape at both ends of the control tube is formed after a tubular control tube is set to a length corresponding to the thickness of the wall body, And a first foaming agent accommodating space in which the other side is opened and the other side is opened and a second foaming agent accommodating space in which the second expanding agent accommodating space is opened is formed in the first foaming agent accommodating space, And a second through hole through which the wall through pipe is passed, the first through hole being formed in a tubular shape and being inserted into the first through hole, And a second sleeve accommodating space having a second diameter larger than that of the first sleeve and having a second diameter larger than that of the first sleeve, A second foamed refractory filler is housed in the second foaming agent receiving space of the sieve and the second flange part is coupled to the first sleeve part formed by packing the second foaming agent receiving space and packaged to form a wall pipe connecting device ; Installing the wall pipe connection device in a through hole formed in the wall; A concrete curing step in which the concrete is placed and cured in the mold to form the wall and the wall pipe connecting device is fixed to the wall; And installing the wall through pipe by passing the wall through pipe through the first through hole and the second through hole.
The wall pipe connection apparatus and the wall pipe construction method using the same according to the present invention provide the following effects.
First, since the sleeve body including the foamed refractory filler and the sleeve portion including the flange portion is packaged and manufactured in the factory, the sleeve portion is simply installed in the through hole so that a separate refractory filler and airtight structure need not be installed The construction is very easy and the construction cost can be reduced.
Second, since the foamed fireproofing filler is preliminarily received at the factory and the sleeve portion is manufactured in a unified form, the filling operation of the fireproofing fireproofing filler, which is a firefighting facility, can not be performed by an inexperienced worker at the firefighting facility, And, of course, the stability thereof can be improved.
Third, since the structure has a separate structure including the first sleeve portion and the second sleeve portion and is installed on both sides of the wall body, the installation is easy, the workability is good, and the construction cost can be reduced.
Fourth, it is possible to accommodate the construction error (wall through pipe deviation) caused by various wall thicknesses when the wall through pipe is connected through the control pipe, so that the inconvenience of work due to the rework of the sleeve sub- Economic losses can be reduced.
Fifth, it is possible to correspond to the thickness of various walls through the control tube, so that it is possible to standardize and modularize the sleeve portion, and it is economical to reduce the workability and cost.
Sixth, by providing foamed fireproofing fillers on both sides of the wall, it is possible to secure the fire partition for both sides of the wall.
Seventh, when a fire is generated through a flange portion formed of a noble material having a good thermal conductivity, it is possible to effectively transfer heat to the foamed refractory filler through the flange portion, thereby improving the heating and foaming effect of the foamed refractory filler.
Eighth, since the sound insulation air layer is formed along the outer peripheral side of the wall through pipe, it is possible to prevent the noise generated in the wall through pipe from being transmitted through the wall.
Ninthly, since the foamed refractory filler is firmly fastened to the sleeve body through the flange portion, the foamed refractory filler can withstand the foaming pressure when the foamed fireproof filler is foamed by the flame, So that it can be intensively foamed into the through-pipe.
1 is a front sectional view showing a wall pipe connecting apparatus according to a first embodiment of the present invention.
2 is a front sectional view showing a wall pipe connecting apparatus according to a second embodiment of the present invention.
3 is an exploded front sectional view showing the configurations of the wall pipe connecting device of FIG.
Fig. 4 is a perspective view showing the flange portion of Fig. 2. Fig.
Fig. 5 is a front sectional view showing a change in length of the control pipe corresponding to the wall thickness in the wall pipe connection apparatus of Fig. 2;
FIG. 6 is a flowchart illustrating a procedure of a wall pipe construction method according to an embodiment of the present invention.
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
1, a wall pipe connecting apparatus according to a first embodiment of the present invention includes a wall through pipe (not shown) provided in a through hole (not shown) passing through a
The
Further, the
In this case, the
The foamed refractory filler (20) is contained in the foaming agent containing space (12) and is foamed in the fire to form an arsonized section. The foamed
The
The
The wall pipe connection device is connected to the coupling means 32 and is embedded in the
Here, the
The wall pipe connection device is disposed so that the
In addition, the wall pipe connection device further includes a
As described above, in the wall pipe connection device, since the
2 to 5, a wall pipe connecting apparatus according to a second embodiment of the present invention will be described. 2 and 3, the wall
The
First, the
Here, the
The first foamed
The
Referring to FIG. 4, the
The
The
The first fastening means 312 is inserted through the first fastening hole 317 to fasten the
The
The
The
The
The wall
The
In the figure, the
Here, the
The
The length of the
5 is a view showing another embodiment of the
Meanwhile, the
Alternatively, although not shown, the
The wall
The airtight means 500 is inserted into the first
The
As described above, the wall
Referring to FIG. 6, a method of constructing a wall pipe using the wall
First, a mold (not shown) for forming the
When the form installation is completed, the wall
The wall
Meanwhile, the wall
After setting the lengths of the
At this time, the operator inserts the
After the wall
When the concrete is cured, the wall through
As described above, the wall piping construction method using the wall
While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims.
1 ...
10 ... sleeve body 11 ... through hole
13 ... latching
20 ... foamed
31 ...
33 ...
50 ...
110, 210 ... first and second
130, 230, ... First and
300a, 300b ... First and
312, 322 ... First and second fastening means 314, 324 ... First and second fastening means
316, 326 ... First and second projections 317, 327 ... First and second fastening holes
318, 328 ... first and second through
500 ... airtight means 510, 520 ... first and second packing rings
600 ... soundproofing
810,820 ... first and second sleeve portions 900,900a ... wall pipe connection device
Claims (18)
A first fitting space provided in the through hole at one side of the wall and having a first through hole through which the wall through pipe is formed in a tubular shape and having a diameter enlarged at one side to be inserted and opened at one side, A first foamed refractory filler accommodated in the first foamed material accommodating space, and a second foamed refractory filler accommodated in the first foamed material accommodating space; A first sleeve portion including a first flange portion coupled to the first sleeve body, the first sleeve body, the first foamed refractory filler, and the first flange portion being packaged;
A second through hole provided in the other through hole of the wall facing the first sleeve portion and through which the wall through pipe is inserted in the shape of a tube, A second sleeve body formed with a second fitting space facing the first fitting space when the first foaming agent is installed on the wall and a second foaming agent receiving space having a diameter expanded on the other side and the other side opened; A second foamed refractory filler accommodated in the accommodating space and a second flange portion coupled to the second sleeve body to enclose the second foaming agent receiving space so that the second foamed refractory filler and the second foamed refractory filler, A second sleeve portion having a second flange integrally formed therewith; And
The first sleeve and the second sleeve being respectively inserted into the first fitting space and the second fitting space facing each other in the shape of a tube and being respectively connected to the first sleeve and the second sleeve, Wherein the wall-pipe connection device comprises:
Wherein the first flange portion includes a first flange body having a plate-like through hole through which the wall through pipe passes, and first fastening means for fastening the first flange body and the first sleeve body through the fastening body,
Wherein the second flange portion includes a second flange body having a plate-like through hole through which the wall through pipe passes, and second fastening means for fastening the second flange body and the second sleeve body to each other, Connection device.
The first and second fastening means and the second fastening means are embedded in the wall to separate the first flange portion and the second flange portion when the first foamed refractory filler and the second foamed refractory filler are foamed, And a support member for supporting the wall pipe connection member.
Wherein the first flange body and the second flange body are made of an elastic material,
Wherein one or a plurality of check holes penetrate through the first and second foamed refractory fillers and the second foamed refractory fillers so that the first foamed refractory filler and the second foamed refractory filler can be visually confirmed from outside.
The control tube may include:
And is slidably fitted in the first fitting space and the second fitting space.
The control tube
And screwed to the threaded portion formed in the first fitting space and the second fitting space.
The first sleeve portion and the second sleeve portion are spaced apart from the outer surface of the wall through pipe so that a soundproof air layer is formed between the outer surface of the wall through pipe and the first sleeve portion and the second sleeve portion Wall plumbing connection.
Wherein the first sleeve body is formed with a first latching portion protruding inwardly of the first bubbling agent accommodating space such that the first foamed refractory filler is positioned apart from the outer surface of the wall through-
Wherein the second sleeve body is formed with a second locking portion protruding inwardly of the second foamed material receiving space such that the second foamed refractory filler is spaced apart from the outer surface of the wall through pipe.
And hermetic means inserted in the first fitting space or the second fitting space or the first fitting space and the second fitting space to maintain airtightness with the wall through-pipe.
The air-
A first packing ring sandwiched between the first fitting space and having one side in close contact with the control tube and an inner end in close contact with the wall through pipe,
And a second packing ring which is fitted in the second fitting space so as to be spaced apart from the first packing and whose one side is in close contact with the control tube and whose inner end is in close contact with the wall through pipe.
A first through hole through which the wall through pipe is passed in a tubular shape at both ends of the control pipe is formed and a diameter of the control pipe is enlarged And a first foamed material accommodating space in which the first foamed material accommodating space in which the one side is opened and the first expanded space having a diameter expanded on the other side and the other side is opened is formed in the first foamed material accommodating space of the first sleeve body, A first sleeve portion having a first flange portion coupled to the first foaming agent storage space and packaged to be packaged, and a second through hole through which the wall through pipe is passed, the first sleeve portion having a diameter And a second bubbling agent accommodating space having a second bubbling agent accommodating space in which the other end of the second bubbling agent accommodating chamber is opened, A step of forming a wall pipe connection device by fitting a second foamed refractory filler in the second foamed product accommodating space and a second sleeve part formed by packing the second foamed product accommodating space by packing the second foamed product accommodating space, ;
Installing the wall pipe connection device in a through hole formed in the wall;
A concrete curing step in which the concrete is placed and cured in the mold to form the wall and the wall pipe connecting device is fixed to the wall; And
And installing the wall through pipe by passing the wall through pipe through the first through hole and the second through hole.
The step of forming the wall pipe connection device includes:
A first packing ring is inserted into the first fitting space so as to be in close contact with a side surface of the adjusting tube before the adjusting tube is inserted into the first sleeve portion and the second sleeve portion, And the second packing ring is inserted into the second fitting space so as to be in close contact with the side face.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020150115221A KR101654682B1 (en) | 2015-08-17 | 2015-08-17 | Through-wall pipe connecting device and constructing method of through-walll pipe use the same |
PCT/KR2016/000723 WO2016122168A1 (en) | 2015-01-28 | 2016-01-22 | Pipe connecting device, and pipe construction method using same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020150115221A KR101654682B1 (en) | 2015-08-17 | 2015-08-17 | Through-wall pipe connecting device and constructing method of through-walll pipe use the same |
Publications (1)
Publication Number | Publication Date |
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KR101654682B1 true KR101654682B1 (en) | 2016-09-06 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020150115221A KR101654682B1 (en) | 2015-01-28 | 2015-08-17 | Through-wall pipe connecting device and constructing method of through-walll pipe use the same |
Country Status (1)
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KR (1) | KR101654682B1 (en) |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101743932B1 (en) | 2016-12-20 | 2017-06-07 | 주식회사 청완 | Fixture integrated sleeve with built-in Fire stop |
KR101772337B1 (en) * | 2016-09-21 | 2017-08-29 | 이형준 | The sleeve that construction is easy |
KR101813611B1 (en) * | 2016-11-07 | 2017-12-29 | 김대현 | A drainpipe linker |
CN109000042A (en) * | 2018-10-15 | 2018-12-14 | 北京城建集团有限责任公司 | A kind of horizontal air hose system through walls and its construction method |
KR101938855B1 (en) | 2018-06-29 | 2019-01-15 | 박용삼 | Apparatus and method for constructing metal structure |
KR102036122B1 (en) * | 2018-12-28 | 2019-10-24 | 성운기업(주) | Dry Air Duct Fixing Sleeve with Fire Filler and Manufacturing Method |
KR20200001092A (en) * | 2018-06-26 | 2020-01-06 | 경기대학교 산학협력단 | Pass-through firestop apparatus |
KR20200025459A (en) * | 2018-08-30 | 2020-03-10 | 삼성중공업 주식회사 | Penetration Piece for Pulling Handle Wire Rope |
KR102104180B1 (en) * | 2018-11-21 | 2020-04-23 | 서성현 | Device for Mounting a Fire Resistance Filler |
KR20200002666U (en) * | 2019-05-30 | 2020-12-09 | 지근배 | Fire penetration structure |
KR102239032B1 (en) | 2020-07-13 | 2021-04-12 | 주식회사 영진공영 | Fire-resistant charging integrated wall sleeve |
KR20220063701A (en) * | 2020-11-10 | 2022-05-17 | 최혁수 | Piercing sleeve unit |
KR102520981B1 (en) | 2022-03-25 | 2023-04-12 | 주식회사 영진공영 | Wall Type Sleeve for installing Pipe |
CN116221962A (en) * | 2022-12-30 | 2023-06-06 | 陕西建工第三建设集团有限公司 | Construction method for through-wall pipeline of air conditioning system in medical anti-radiation area |
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KR20150051290A (en) * | 2013-11-01 | 2015-05-12 | 주식회사 포스코 | Steel pipe system with fireproof coating and construction method thereof |
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KR20090005051U (en) | 2007-11-22 | 2009-05-27 | 홍호원 | A sleeve for installing a pipe of through the wall |
KR20110098448A (en) * | 2010-02-26 | 2011-09-01 | 원승호 | A fixed device of pipe to preventing the fire and duct construct method using one |
KR101179962B1 (en) * | 2011-05-24 | 2012-09-07 | (주)유넷트코리아 | Apparatus for shutting flame and poisonous gas through between flooors |
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Cited By (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101772337B1 (en) * | 2016-09-21 | 2017-08-29 | 이형준 | The sleeve that construction is easy |
KR101813611B1 (en) * | 2016-11-07 | 2017-12-29 | 김대현 | A drainpipe linker |
KR101743932B1 (en) | 2016-12-20 | 2017-06-07 | 주식회사 청완 | Fixture integrated sleeve with built-in Fire stop |
KR20200001092A (en) * | 2018-06-26 | 2020-01-06 | 경기대학교 산학협력단 | Pass-through firestop apparatus |
KR102175036B1 (en) * | 2018-06-26 | 2020-11-05 | 경기대학교 산학협력단 | Pass-through firestop apparatus |
KR101938855B1 (en) | 2018-06-29 | 2019-01-15 | 박용삼 | Apparatus and method for constructing metal structure |
KR102518265B1 (en) | 2018-08-30 | 2023-04-06 | 삼성중공업 주식회사 | Penetration Piece for Pulling Handle Wire Rope |
KR20200025459A (en) * | 2018-08-30 | 2020-03-10 | 삼성중공업 주식회사 | Penetration Piece for Pulling Handle Wire Rope |
CN109000042A (en) * | 2018-10-15 | 2018-12-14 | 北京城建集团有限责任公司 | A kind of horizontal air hose system through walls and its construction method |
CN109000042B (en) * | 2018-10-15 | 2024-03-05 | 北京城建集团有限责任公司 | Horizontal air duct wall penetrating system and construction method thereof |
KR102104180B1 (en) * | 2018-11-21 | 2020-04-23 | 서성현 | Device for Mounting a Fire Resistance Filler |
KR102036122B1 (en) * | 2018-12-28 | 2019-10-24 | 성운기업(주) | Dry Air Duct Fixing Sleeve with Fire Filler and Manufacturing Method |
KR20200002666U (en) * | 2019-05-30 | 2020-12-09 | 지근배 | Fire penetration structure |
KR200493223Y1 (en) * | 2019-05-30 | 2021-02-19 | 지근배 | Fire penetration structure |
KR102239032B1 (en) | 2020-07-13 | 2021-04-12 | 주식회사 영진공영 | Fire-resistant charging integrated wall sleeve |
KR20220063701A (en) * | 2020-11-10 | 2022-05-17 | 최혁수 | Piercing sleeve unit |
KR102637188B1 (en) * | 2020-11-10 | 2024-02-15 | 최혁수 | Piercing sleeve unit |
KR102520981B1 (en) | 2022-03-25 | 2023-04-12 | 주식회사 영진공영 | Wall Type Sleeve for installing Pipe |
CN116221962A (en) * | 2022-12-30 | 2023-06-06 | 陕西建工第三建设集团有限公司 | Construction method for through-wall pipeline of air conditioning system in medical anti-radiation area |
CN116221962B (en) * | 2022-12-30 | 2023-08-08 | 陕西建工第三建设集团有限公司 | Construction method for through-wall pipeline of air conditioning system in medical anti-radiation area |
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