KR101681168B1 - Cylinder cover of fire prevention door - Google Patents
Cylinder cover of fire prevention door Download PDFInfo
- Publication number
- KR101681168B1 KR101681168B1 KR1020150184143A KR20150184143A KR101681168B1 KR 101681168 B1 KR101681168 B1 KR 101681168B1 KR 1020150184143 A KR1020150184143 A KR 1020150184143A KR 20150184143 A KR20150184143 A KR 20150184143A KR 101681168 B1 KR101681168 B1 KR 101681168B1
- Authority
- KR
- South Korea
- Prior art keywords
- protective cover
- cylinder
- fire door
- door
- surface portion
- Prior art date
Links
- 230000002265 prevention Effects 0.000 title 1
- 230000001681 protective effect Effects 0.000 claims abstract description 153
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 39
- 238000009434 installation Methods 0.000 claims abstract description 8
- 239000002184 metal Substances 0.000 claims abstract description 3
- 238000005452 bending Methods 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 8
- 238000009792 diffusion process Methods 0.000 claims description 7
- 230000008595 infiltration Effects 0.000 claims description 6
- 238000001764 infiltration Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 239000012466 permeate Substances 0.000 claims 4
- 229920003002 synthetic resin Polymers 0.000 claims 4
- 239000000057 synthetic resin Substances 0.000 claims 4
- 239000011810 insulating material Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B9/00—Lock casings or latch-mechanism casings ; Fastening locks or fasteners or parts thereof to the wing
- E05B9/04—Casings of cylinder locks
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
- E05B15/0053—Other details of locks; Parts for engagement by bolts of fastening devices means providing a stable, i.e. indexed, position of lock parts
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B17/00—Accessories in connection with locks
- E05B17/0075—Insulating, e.g. for limiting heat transfer; Increasing fire-resistance of locks
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B9/00—Lock casings or latch-mechanism casings ; Fastening locks or fasteners or parts thereof to the wing
- E05B9/04—Casings of cylinder locks
- E05B2009/046—Cylinder locks operated by knobs or handles
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
- E05Y2900/13—Type of wing
- E05Y2900/132—Doors
- E05Y2900/134—Fire doors
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Special Wing (AREA)
Abstract
Description
BACKGROUND OF THE
Generally, a fire door is installed to prevent indoor or outdoor flames and firearms from diffusing in other directions when a fire occurs in a building.
Such a fire door is generally provided with a large flame-resistant metal plate on both sides of the door, a separate open part is closed with another plate, and a fire door is formed by inserting a heat insulating material therein so as to maintain the room temperature .
A door handle is provided on both sides of the front door. The door handle is provided with a cylinder for opening and closing inserted into the protective cover inside the front face of the fire door to open and close the fire door, Locked and released at the same time.
Such a fire door is largely divided into a color door in which both side plates are formed thinly, a variety of formations, shapes and colors are applied to the outer side, and a colorful and luxurious aesthetic sense is captured.
As described above, the protective cover into which the cylinder is inserted can be easily installed inside the fire door by installing the cylinder of various shapes, sizes and widths in a protective cover conforming to the fire door standard. In particular, A fireproof door can be manufactured quickly and a dust or the like is prevented from entering into the cylinder.
[0004] As a prior art constructed to achieve the above-mentioned object, Patent Registration No. 1098880 (name: a key cylinder cover of a fire door) is disclosed. In terms of its construction, a cylinder having a locking protrusion And a cover having a hook which is inserted into a locking jaw of the bar with a guide groove interposed therebetween to prevent it from falling down on the guide groove and a reinforcing protrusion protruded to prevent warping on both sides.
Therefore, the cover provided with the cylinder and the cylinder bar provided on the front face of the fire door are fixed without being welded, thereby providing convenience of work.
However, in the conventional cover, the upper and lower portions are opened. In order to engage the cover and the cylinder bar, the guide groove is formed as a long slot through which the flame can move so as to provide a gap through which the flame can move, .
Especially in the winter when electricity or oil is frequently used for heating, fire is frequently generated in buildings, and the firefighting association emphasizes the fire protection function for the purpose of fire doors so as to prevent the fire from penetrating into fire doors.
However, in the prior art, when the cylinder is installed inside the cover, the upper and lower openings are filled with the heat insulating material. When a fire occurs in the indoor or outdoor of the building, flames and firearms interpose the door cover supporting the door handle, So that the flames and fire extinguished are naturally penetrated into the open part and transferred to the heat-insulating material which is very vulnerable to heat, so that it is diffused in the inside of the fire door, Is lost.
In addition, if the flame spreads inside the fire door, it is difficult to evacuate through the fire door or to open the fire door to evolve due to the increase in the internal temperature, thereby causing difficulties in early evacuation due to difficulties in evacuation and rapid evacuation.
SUMMARY OF THE INVENTION The present invention has been conceived to solve the above-mentioned problems, and it is an object of the present invention to provide a protective cover, in which a cylinder is inserted, is cut off by removing an opening and a gap to prevent a flame from penetrating into a fire door, The present invention provides a protective cover for a fire door opening / closing cylinder, which improves the durability of the protective cover so that it is not difficult to open the fire door by changing the shape of the fire door due to high heat.
The present invention is configured as follows to achieve the above object. That is, the plate-shaped plate-shaped plate is integrally bent so as to prevent diffusion into the inside of the fire door through the open portion of the flame, an installation space is provided in the inside in a state that the front is opened so that the cylinder is inserted and fixed, And a pair of door knobs for respectively operating the cylinders provided inside the cylinder, and a protective cover which is fixed to the inner surface of the reinforcing bar and fixed to the front of the cylinder, And a protective cover which is formed on the surface of the substrate.
Further, the protective cover may include a first side portion bent in one direction and provided with a mounting hole, a rear portion disposed on the rear side, a second side portion formed with a mounting hole, an upper portion disposed on the upper side, And a bottom part.
The protective cover may include a second upper surface portion bent and extended to a position deviated from the upper center of the protective cover, and a second upper surface portion bent and extended to a position outside the lower center of the protective cover. A first upper surface portion bent and extended so as to cover and cover the upper portion of the second upper surface portion; and a second upper surface portion bent and extended to cover and cover the lower surface of the second lower surface portion, 1 undersurface portion.
The protection cover may include an upper extension portion bent at both side ends of the upper surface portion in a downward direction, a rear portion bent to bend a rear end of the upper surface portion and closing the rear portion, And a lower extension extending upward at both side ends of the lower surface portion.
The protection cover may further include a rear portion disposed to bend the rear end of the upper surface portion in a semicircle so as to close the rear portion of the upper surface portion, a lower surface portion extending from the other end of the rear portion and disposed to close the lower surface, And a side extension portion extending inwardly in a direction in which the door handle is coupled to both ends of the cylinder so as not to interfere with each other and in which mounting holes are formed naturally in both side walls.
On the other hand, the first and second side portions are formed with a fitting portion bent forward and then bent inward.
In addition, a cylinder fixing portion formed with a bolt hole is formed in front of the upper surface portion and the lower surface portion. The cylinder fixing portion is bent at the end portion of the cylinder fixing portion. A boring protruding conically from the inner surface and the lower surface of the reinforcing table is inserted, And a reinforcing and securing portion formed with a fixed-position fixing hole provided therein.
In addition, a double protective cover for inserting and closing the protective cover is provided. Further, a rail is formed on the protective cover, and a slot is formed in the double protective cover so as to be slidably engaged.
As described above, according to the present invention, since the plate-shaped plate body is formed as a protective cover in the form of a box by a bending operation, convenience can be provided by a simple operation, thereby providing a quick protective cover and a durability .
Also, the opened front faces the front plate of the cylinder, and the remaining bent portions close the open portion, so that the infiltration of the flame can be prevented in advance.
Further, by forming the protective cover in a " U "shape or a" U "shape, both sides of the cylinder are brought into close contact with the upper side, the lower extension portion or the inner side surfaces of the side extension portion, It is possible to reduce the weight of the cover and reduce the production cost.
In addition, a fitting portion is formed on the front surface of the protective cover, and the fitting portion is inserted into the inner surface of the reinforcing bar having both sides bent in a "C" shape so that the two bent portions are closely contacted with both ends of the reinforcing bar, There is an effect.
In addition, since the outer surface of the reinforcing bar and the outer surface of the protective cover are coincident with each other, both side plates of the fire door are tightly fixed without being lifted to prevent the occurrence of gaps.
In addition, since the conical boring of the reinforcing bar is inserted into the correct position fixing hole of the reinforcing bar fixing plate of the protective cover and the protective cover is installed at the correct position, the operation rod of the cylinder and the fixing groove of the door frame are aligned, There is an effect that can be done.
In addition, by providing a double protective cover for protecting the protective cover, it is possible to prevent the infiltration of the flame and to improve the durability of the protective cover by blocking a minute gap that may occur during bending to form the protective cover.
A rail that blocks and reinforces the protective cover and the double protective cover is inserted and inserted into the slot, thereby preventing the flame penetrating between the protective cover and the double protective cover from moving upward and downward and protecting the cylinder from high temperature It has an effect of improving the durability.
1 is a perspective view showing a state in which a protective cover according to the present invention is installed in a fire door;
2 is a perspective view showing a protective cover according to the present invention.
3 is a perspective view showing a state in which a cylinder is inserted into a protective cover according to the present invention.
Figure 4 is a cross-
5 is a perspective view showing another protective cover according to the present invention.
Fig. 6 is an exploded view of the protective cover in Fig. 5,
7 is a perspective view showing another protective cover according to the present invention.
8 is a cross-
9 is a perspective view showing another protective cover according to the present invention.
FIG. 10 is a plan view showing a state where boring is inserted into the fixation hole in the fixed position according to the present invention. FIG.
11 is an exploded perspective view showing a state in which a double protective cover is provided on a protective cover according to the present invention.
12 is an exploded perspective view showing a state in which a double protective cover is installed on other protective covers of the present invention.
Fig. 13 is a side view showing various shapes of mounting holes according to the present invention
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
1, 5, 7, and 9, the present invention provides a fire door having a color door or a general door, a reinforcing
The
On both sides of the
The
First, the
The
As shown in FIG. 5, the
Mounting
When the
As shown in Figs. 6 and 7, the
The
The
As shown in Fig. 8, the
In addition, the extended length of the
The
Therefore, the
By forming the
The
2, 4 and 6, the
The
Further, the
The reinforcing
The height of the reinforcing
Furthermore, a double
10 and 12, the double
The double
In addition, the
The
The
On the other hand, the shape of the mounting
The
The
The present invention is not limited to the above-described embodiments, and various modifications can be made within the scope of the technical idea of the present invention.
Fire door: 1 Protective cover: 10a, 10b, 10c, 10d
First side portion: 11 Rear portion: 12
Rear side portion: 121 second side portion: 13
Top surface portion: 14 First and second top surface portions: 14a and 15a
Upper surface extension part: 141 Lower part: 15
First and second lower surface portions: 14b and 15b Lower extension portion: 151
Side extension part: 16 Inside part: 17
Mounting hole: 18 Cylinder fixing part: 21
Bolt Ball: 21a Reinforced Sovereign Government: 22
Fixed position Fixed hole: 22a Boring: 42
Double cover: 30 Through hole: 31
Rails: 32 slots: 33
Reinforcement: 40 Both sides: 41
Cylinder: 50 Front plate: 51
Door Handle: 60
Claims (11)
The protective cover 10a is integrally bent to prevent the diffusion of the flame into the inside of the fire door through the open part, And a pair of door handles 60 for operating the cylinder 50 installed inside are provided in the cylinder 50 through the mounting holes 18, And the front portion of the reinforcing bar 40 is fixedly installed on the inner surface of the reinforcing bar 40 to remove the open portion of the protective cover 10a,
The protective cover 10a includes a first side portion 11 having a mounting hole 18 formed to close one side thereof and penetrating the first side portion 11 and a rear side of the first side portion 11, A second side surface portion 13 for bending the other side edge of the rear surface portion 12 and closing the other side by forming a through hole 18 to close the other side edge, An upper surface portion 14 which bends the upper end of the side surface portion 11 so as to close the upper side and a lower surface portion 15 which bends the lower end of the first side surface portion 11 and is arranged so as to close the lower portion,
The protection cover 10a is formed in a closed shape so as to be opened frontward so that the protective cover 10a can be inserted into the inside of the cover 10a. And a hole (31) are formed in the protective cover (30).
The protective cover 10b is integrally bent to prevent the diffusion of the flame into the interior of the fire door through the opened portion, And a pair of door handles 60 for operating the cylinder 50 installed inside are provided in the cylinder 50 through the mounting holes 18, And the front portion of the reinforcing bar 40 is fixedly installed on the inner surface of the reinforcing bar 40 to remove the open portion of the protective cover 10b,
The protective cover 10b includes a first side portion 11 and a second side portion 11b. The first side portion 11 has a mounting hole 18 formed therein to close one side thereof. A second side surface portion 13 having a rear surface portion 12 and a mounting hole 18 formed to bend the other side end of the rear surface portion 12 to close the other side, A second upper surface portion 15a bent and extended to a position deviated from the upper center of the upper portion, a second lower surface portion 15b bent and extended to a position where the lower end of the second side surface portion 13 is out of the lower center, A first upper surface portion 14a bent and extended to cover and cover the upper portion of the second upper surface portion 15a and a lower end of the first side surface portion 11 cover the lower surface of the second lower surface portion 15b, And a first lower surface portion (14b) folded and extended so as to be closed. .
The protection cover 10b is formed in a closed shape so as to be opened frontward so that the protective cover 10b can be inserted into the inside of the cover 10b. And a hole (31) are formed in the protective cover (30).
The protective cover 10c integrally bends the sheet metal processed to prevent diffusion into the inside of the fire door through the opened portion of the flame, And a pair of door handles 60 for operating the cylinder 50 installed inside are provided in the cylinder 50 through the mounting holes 18, And the front portion of the reinforcing bar 40 is fixedly installed on the inner surface of the reinforcing bar 40 to remove the open portion of the protective cover 10c,
The protective cover 10c includes an upper surface portion 14 disposed to close the upper surface portion 14, an upper extending portion 141 that bends both ends of the upper surface portion 14 downwardly, A rear side edge portion 121 bent at both side ends of the rear side portion 12 in the inward direction and bent at the other end of the rear side portion 12; And a lower extension portion 151 extending upwardly from both side ends of the lower surface portion 15 so as to extend upwardly from the upper extension portion 141, The extension length of the lower extension portion 121 and the lower extension portion 151 is formed to have a length that does not interfere with the door handle 60 when the cylinder 50 is engaged with the cylinder 50 so that the mounting holes 18 are naturally formed on both sides,
The protection cover 10c is formed in a closed box shape so that the front cover is opened to insert the protection cover 10c into the interior. Both sides of the protection cover 10c are connected to the installation hole 18 of the protective cover 10c, And a hole (31) are formed in the protective cover (30).
The protective cover 10d integrally bends the plate-shaped plate-shaped body to prevent diffusion into the inside of the fire door through the open portion of the flame, And a pair of door handles 60 for operating the cylinder 50 installed inside are provided in the cylinder 50 through the mounting holes 18, And the front portion of the reinforcing bar 40 is fixedly installed on the inner surface of the reinforcing bar 40 to remove the open portion of the protective cover 10d,
The protection cover 10d includes a top surface portion 14 disposed to close the top portion 14a, a rear surface portion 12 arranged to close the rear portion by bending the rear end of the top surface portion 14 in a semicircular shape, A lower portion 15 extending from the other end of the upper surface portion 14 and the lower surface portion 15 so as to close the lower portion of the upper surface portion 14, the rear surface portion 12 and the lower surface portion 15, (16) extending in a length that does not interfere with the coupling (60) when the coupling (60) is engaged and the mounting holes (18)
The protective cover 10d is inserted into the protective cover 10d so that the door handle 60 can be engaged with the attachment hole 18 of the protective cover 10d. And a hole (31) are formed in the protective cover (30).
The front and rear sides of the first and second side portions 11 and 13 are formed with a fitting portion 17 which is bent inward and then bent forward to be bent. The outer surface of the first and second side portions 11 and 13 and the outer surface of the reinforcing bar 40 are aligned with each other so as to contact the inner surface of the side plates of the fire door 1, And a protective cover for a fire door opening / closing cylinder
A front plate 51 extending in the outward direction in front of the cylinder 5 and a cylinder fixing part 21 having a bolt hole 21a fixed by a bolt are formed in front of the upper face part 14 and the lower face part 15, ),
A bending ring 42 protruding in a conical shape is formed on the inner surface and the lower surface of the reinforcing bar 40 so as to be protected in a predetermined position And a reinforcing and securing part (22) formed with a fixing part (22a) for fixing the position to be fixed by a rivet or bolt after the cover (10a) (10c) (10d) is installed. cover.
On both sides of the protective cover 10a, the rails 32 are formed so as to protrude outward to improve the stiffness,
A slot (33) is formed in the inner side surface of the double protective cover (30) corresponding to the rail (32) so that the rail can be inserted,
The protective cover 10a allows the double protective cover 30 to be inserted in the correct position and prevents the flame which can permeate between the through hole 31 and the mounting hole 18 from being moved upward and downward after infiltration Wherein the protective cover is made of a synthetic resin.
On both sides of the protective cover 10b, a rail 32 is formed so as to protrude outwardly to improve the stiffness,
A slot (33) is formed in the inner side surface of the double protective cover (30) corresponding to the rail (32) so that the rail can be inserted,
The protective cover 10b allows the double protective cover 30 to be inserted into the correct position and prevents the flame which can permeate between the through hole 31 and the mounting hole 18 from being moved upward and downward after infiltration Wherein the protective cover is made of a synthetic resin.
On both sides of the protective cover 10c, the rails 32 are formed so as to protrude outwardly to improve the stiffness,
A slot (33) is formed in the inner side surface of the double protective cover (30) corresponding to the rail (32) so that the rail can be inserted,
The protective cover 10c allows the double protective cover 30 to be inserted into the correct position and prevents the flame which can permeate between the through hole 31 and the mounting hole 18 from being moved upward and downward after infiltration Wherein the protective cover is made of a synthetic resin.
On both sides of the protective cover 10d, the rails 32 are formed so as to protrude outwardly to improve the stiffness,
A slot (33) is formed in the inner side surface of the double protective cover (30) corresponding to the rail (32) so that the rail can be inserted,
The protective cover 10d allows the double protective cover 30 to be inserted into the correct position and prevents the flame which can permeate between the through hole 31 and the mounting hole 18 from being moved upward and downward after infiltration Wherein the protective cover is made of a synthetic resin.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020150184143A KR101681168B1 (en) | 2015-12-22 | 2015-12-22 | Cylinder cover of fire prevention door |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020150184143A KR101681168B1 (en) | 2015-12-22 | 2015-12-22 | Cylinder cover of fire prevention door |
Publications (1)
Publication Number | Publication Date |
---|---|
KR101681168B1 true KR101681168B1 (en) | 2016-11-30 |
Family
ID=57706990
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020150184143A KR101681168B1 (en) | 2015-12-22 | 2015-12-22 | Cylinder cover of fire prevention door |
Country Status (1)
Country | Link |
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KR (1) | KR101681168B1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR200490815Y1 (en) * | 2019-05-14 | 2020-01-08 | (주)동방파스텍 | Door lock cylinder cover with cylinder holder |
KR200494155Y1 (en) * | 2021-04-23 | 2021-08-17 | (주)동방파스텍 | Positioning strike reinforcement for door frame strike installaion |
KR20210130432A (en) | 2020-04-22 | 2021-11-01 | (주)삼영엔지니어링 | Reinforcement frame for fire door and reinforcement structure of fire door frame using the same |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004076414A (en) * | 2002-08-20 | 2004-03-11 | Tadayoshi Sudo | Lock attached base |
KR101318839B1 (en) * | 2012-09-25 | 2013-10-17 | 송주호 | Cover, door lock installation |
-
2015
- 2015-12-22 KR KR1020150184143A patent/KR101681168B1/en active IP Right Grant
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004076414A (en) * | 2002-08-20 | 2004-03-11 | Tadayoshi Sudo | Lock attached base |
KR101318839B1 (en) * | 2012-09-25 | 2013-10-17 | 송주호 | Cover, door lock installation |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR200490815Y1 (en) * | 2019-05-14 | 2020-01-08 | (주)동방파스텍 | Door lock cylinder cover with cylinder holder |
KR20210130432A (en) | 2020-04-22 | 2021-11-01 | (주)삼영엔지니어링 | Reinforcement frame for fire door and reinforcement structure of fire door frame using the same |
KR200494155Y1 (en) * | 2021-04-23 | 2021-08-17 | (주)동방파스텍 | Positioning strike reinforcement for door frame strike installaion |
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