WO2011027985A2 - Appareil d'échafaudage-construction pour pont en poutres pc - Google Patents

Appareil d'échafaudage-construction pour pont en poutres pc Download PDF

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Publication number
WO2011027985A2
WO2011027985A2 PCT/KR2010/005622 KR2010005622W WO2011027985A2 WO 2011027985 A2 WO2011027985 A2 WO 2011027985A2 KR 2010005622 W KR2010005622 W KR 2010005622W WO 2011027985 A2 WO2011027985 A2 WO 2011027985A2
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WO
WIPO (PCT)
Prior art keywords
fixed
movable
fish
bar
fish beam
Prior art date
Application number
PCT/KR2010/005622
Other languages
English (en)
Korean (ko)
Other versions
WO2011027985A3 (fr
Inventor
김진곤
Original Assignee
주식회사 엠앤디
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020090082659A external-priority patent/KR101112172B1/ko
Priority claimed from KR1020100024756A external-priority patent/KR101143422B1/ko
Application filed by 주식회사 엠앤디 filed Critical 주식회사 엠앤디
Publication of WO2011027985A2 publication Critical patent/WO2011027985A2/fr
Publication of WO2011027985A3 publication Critical patent/WO2011027985A3/fr

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00—Structural or constructional details of bridges
    • E01D19/10—Railings; Protectors against smoke or gases, e.g. of locomotives; Maintenance travellers; Fastening of pipes or cables to bridges
    • E01D19/106—Movable inspection or maintenance platforms, e.g. travelling scaffolding or vehicles specially designed to provide access to the undersides of bridges
    • 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
    • E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
    • E04G3/24—Scaffolds essentially supported by building constructions, e.g. adjustable in height specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons

Definitions

  • the present invention relates to a device for building a fish beam bridge, and more particularly, to build a bridge using a fish beam to build a work to easily perform work for formwork installation, safety net installation or concrete placement as well as construction of course.
  • the present invention relates to the provision of a construction device with an improved operation to simultaneously perform a safety fence function that prevents damage to a pedestrian or a vehicle passing by a work tool or remnants falling to the ground during work.
  • a work path is constructed below the fish beam to perform formwork, concrete placing, safety net installation, or other incidental work.
  • the construction apparatus required for constructing the structure using the fish beam is a situation in which various types have been developed and used in the prior art, and the applicant of the present application also has several kinds of applications, among which the recently applied utility model application filed 2009-6205 Looking at the description of the call through Figure 15 as follows.
  • the construction apparatus 1 for a fish beam bridge to which the prior art is applied has an inclined bar 4 having the same inclination to be in contact with the inclined surface 3 of the fish beam 2, and the The longitudinal bar 6 is fixed to be in contact with the vertical plane 5 of the fish beam 2 at an intermediate position.
  • the outer end of the inclined bar (4) further secures the safety and safety by further connecting the auxiliary bar (9) to connect the pipe (8) holding the plywood (7) forming the working path with the longitudinal bar (6) It is to have a truss structure to be able to, and to have a clamp (10) connecting the pipe (8) at the lower end of the longitudinal bar (6) and the auxiliary bar (9).
  • the horizontal bar 12 is coupled to the middle of the longitudinal bar 6 so as to be in contact with the bottom surface 11 of the fish beam 2, and protrudes upward of the inclined bar 4 on the outside of the horizontal bar 12 It comprises a control bar 13 for adjusting the height and height relative to the inclined bar (4).
  • the construction apparatus for fish beam bridges to which the prior art as described above is applied is installed with the construction apparatus at equal intervals in the fish beam, and then the pipes are connected again using clamps, and the plywood is laid on the connected pipes. To build.
  • the pipe is connected to the longitudinal bar connected to the inclined bar and the auxiliary bar, the pipe is connected to the pipe for maintaining the plywood, and then the plywood is disposed so that the worker can walk on the pipe. Not only is the clamping work for the connection difficult, but it also poses significant challenges in handling long lengths of pipe.
  • the construction device When installing the construction device as a work for the fish beam bridge, the construction device is connected to each other. Therefore, when there are no obstacles in the fish beam, there is no big problem in the installation.However, due to the characteristic of the fish beam, In order to prevent the flow and twisting of the fish beam by connecting to each other to install a cross beam.
  • the crossbeam Since the installation of the formwork and the concrete casting are required at the position where the crossbeam is to be installed, the crossbeam is located because the construction device is not installed for the work of the fish beam bridge to exclude the interference phenomenon in the crossbeam installation process. Where it is, it is not completely sealed and an opening is formed.
  • the present invention is to solve the above problems as a walk plate provided with a substantially rectangular plate-like member, and a fixed holding member for fixing to be coupled to the fish beam on one side of the walking plate, A movable holding area provided on an opposite position walking board to be coupled to the fish beam while moving according to the distance between the fish beams, and a traction ring provided to provide ease of towing on the upper surface of the walking board; It includes a close plate to be fixed to the front of the plate to be coupled to each other and the walking board of the construction device in the adjacent operation, and provided freely detachable to the walking board to open the walking board without opening in the cross beam installation position of the fish beam It is equipped with a cross beam jumper that can be connected, and it is possible to use the construction device for the work of fish beam bridge regardless of the cross beam. It can be installed in this way, the installation cost can be greatly reduced by the reuse of the device, and it is possible to maintain a stable state after installation, thereby eliminating the risk of safety accidents such as falling of workers or work
  • the present invention is installed by making it easy to finish the installation work by fixing the retainer to the fish beams by integrally consisting of the holder for fixing the construction device to the fish beam and the foothold for the operator to walk as a work for the fish beam bridge Ease of use.
  • the present invention can install the construction device for the work of the fish beam bridge so that the opening does not occur even in the position for installing the cross-beam installed in the middle of the fish beam.
  • the present invention eliminates the possibility of safety accidents that may occur during the installation and dismantling of the working furnace and can actively respond to the distance between the fish beams, and there is no opening when installing in the working furnace, so that the worker falls or the material through the opening Or the invention has a variety of effects, such as to prevent the occurrence of safety accidents falling tools.
  • FIG. 1 is a perspective view showing a construction apparatus for a work beam for a fish beam bridge to which the technique of the present invention is applied.
  • Figure 2 is a cross-sectional view showing the holding fixture of the work path construction device for the fish beam bridge to which the technique of the present invention is applied.
  • Figure 3 is an exploded perspective view showing an excerpt of the operation holding device of the construction apparatus for the fish beam bridge to which the technique of the present invention is applied.
  • Figure 4 is a cross-sectional view showing the excerpt of the operation holding device of the construction apparatus for the fish beam bridge to which the technique of the present invention is applied.
  • Figure 5 a, b is a schematic view of the close contact plate of the construction apparatus for the fish beam bridge to which the technique of the present invention is applied.
  • Figure 6 a, b is a configuration diagram showing the inclined bar of the work-building apparatus for the fish beam bridge to which the technique of the present invention is applied.
  • Figure 7 is a schematic view of the excerpt of the walking board construction device for fishbeam bridges to which the technique of the present invention is applied.
  • Figure 8 is a perspective view of another example showing the movable holding of the construction apparatus for the fish beam bridge to which the technique of the present invention is applied.
  • Figure 10 is a perspective view showing a crossbeam jumper applied to the construction apparatus for the fish beam bridge to which the technique of the present invention is applied.
  • FIG. 11 is a cross-sectional view taken along the line A-A showing a crossbeam jumper applied to a construction apparatus for a fish beam bridge to which the technique of the present invention is applied.
  • FIG. 12 is a cross-sectional view taken along line B-B showing a crossbeam jumper applied to a construction apparatus for a fish beam bridge to which the technique of the present invention is applied.
  • FIG. 13 is a view showing a state in which a crossbeam jumper to which a technique of the present invention is applied is mounted on a construction device for a work for a fishbeam bridge;
  • FIG. 14 is a state diagram of the installation device for the construction of a fish beam bridge applied to the cross beam jumper of the present invention.
  • 15 is an exemplary view showing a work path construction apparatus for a fish beam bridge to which the prior art is applied.
  • FIG. 1 is a perspective view showing the construction apparatus for a fish beam bridge work applied to the technique of the present invention
  • Figure 2 is a cross-sectional view showing a holding holding portion of the construction apparatus for a fish beam bridge applied to the technology of the present invention
  • Figure 3 Is an exploded perspective view showing an excerpt of the operation apparatus for constructing a fish beam bridge to which the technique of the present invention is applied
  • FIG. 4 is an excerpt of the actuation retaining apparatus of the constructing apparatus for a fish beam bridge to which the technique of the present invention is applied.
  • FIG. 5 a, b is a schematic view of the close contact plate of the construction apparatus for the work of the fish beam bridge to which the technique of the present invention is applied
  • Figure 6 a, b is for the fish beam bridge to which the technique of the present invention is applied
  • Fig. 7 is a configuration diagram showing the inclined bar of the work path construction device
  • Fig. 7 is a schematic view of the foot plate of the work path construction device for the fish beam bridge to which the technology of the present invention is applied
  • Fig. 8 is a fish beam to which the technology of the present invention is applied.
  • Fig. 9 will be described as used with a state diagram of the construction unit to work for fish beam bridge is applied to the technique of the present invention.
  • the work path construction device 100 for a fish beam bridge to which the technique of the present invention is applied is made of a plate-shaped member of a substantially rectangular shape so that the worker can walk when the work is completed, as well as the work process or work that is generated during the dismantling process.
  • a walking board 101 is provided to perform a function of preventing an object or the like from falling to the ground.
  • the walking board 101 may be made of various materials such as metal, non-ferrous metal, wood or reinforced plastic, but it is preferable that the walking board 101 may be made of metal or non-ferrous metal to exhibit sufficient durability, and to form perforations on the surface for weight reduction. In order to prevent slipping, various auxiliary means such as the formation of protrusions and protrusions may be taken.
  • the opposite position of the holding fixture 103 (Fig.
  • the right side of 1) includes a movable holding member 104 to adjust while moving in the left and right directions corresponding to the distance between the fish beam 102 and the fish beam 102.
  • the upper surface of the pedestrian plate 101 is provided with a traction ring 105 to increase the traction easily lifted by the machine or manpower to provide ease of installation and disassembly, the front of the pedestrian plate 101 In the position where the fixed and movable holding zones are not fixed, the close plate 106 is fixed so as to be connected to the walking plate 101 of the construction device 100 in an adjacent operation so as to bind to each other.
  • the towing ring 105 is free to move in the up and down direction of the foot plate 101 to prevent the phenomenon caused by interference caused by the loading process while eliminating the concern of safety accidents that fall over the worker walking. When not equipped and used, it would be desirable not to protrude upward of the foot plate 101.
  • the close contact plate 106 is further provided with a separation prevention 107 so as to prevent the phenomenon of being separated by an external pressure, such as vibration after being connected to the adjacent foot plate 101, the departure prevention tool 107 is
  • the engaging protrusion 108 formed downward at the end of the contact plate 106 is coupled to the engaging hole 108-1 formed in the adjacent walking board 101, or the contact plate 106 and the adjacent walking board ( After forming the interruption hole 109 in the 101, it is good to prevent the easy separation by combining with the interruption means (109-1) such as bolts or pins.
  • the fixing retaining hole 103 protrudes upwardly from the left rear end of the walking board 101 to the fixing retaining bar 110 which is fixed by welding or bolts, rivets, and the like at the top of the fixing retaining bar 110. Protruding obliquely in the direction of the beam 102 is fixed to the inclined bar 112 is connected to the inclined surface 111 of the fish beam 102 is configured.
  • the inclined bar 112 may be used in a state in which the fixed holding bar 110 is firmly fixed by welding, but may be variable and fixed so as to actively respond to the inclined surface 111 that varies depending on the size of the Phoebe core 102. It may be configured in a form that can be.
  • a plurality of adjusting holes 113 are formed at the upper end of the fixed holding bar 110 so as to be fixed in correspondence with the inclined surface 111, and the inclined bar 112 is engaged with the adjusting holes 113 to bolt nuts. It is configured to form a fastening hole 115 for fixing with the intermittent means 114, such as.
  • the fastening hole 115 may fix the entire inclined bar 112 to be in contact with the inclined surface 111, or as another example, the end of the inclined bar 112 may be connected to the inclined surface 111 so that the inclined bar 112 is connected to the inclined bar 111. It may be formed so as to form a right angle with respect to the inclined surface (111).
  • the movable holding hole 104 is interposed between the fish beams 102 by clamping the movable supporter 118 with the bolts 117 to the adjusting holes 116 formed at equal intervals on the right side of the foot plate 101. While moving so as to adjust the fixing retaining 103 and the width.
  • the movable supporter 118 is fixed to the rear end surface of the walking board 101 in the drawing of the present invention, the movable supporter 118 is a L-shaped or an L-shaped rough type. It may be configured in a form that is fixed across both the vertical plane and the horizontal plane of the walking board 101.
  • the fixing supporter 120 is fixed to the movable supporter 118, the inner direction is closed and the outer direction is open, the fixing tube 120 is coupled to the movable tube 121, the outer end of the movable tube 121
  • the movable holding bar 122 having the inclined bar 112 is fixed to protrude upward.
  • the fixing tube 120 and the movable tube 121 are provided with the adjusting means 125 to adjust the width 125 of the fish beam 102.
  • the adjusting means 125 forms a plurality of adjusting holes 126 in the movable tube 121, and the adjusting holes 126 adjust the slots 127 formed in both directions of the fixed tube 120 in the longitudinal direction.
  • the control pin 128 is finely adjusted in the direction of the fish beam 102 by the intermittent nut 129 screwed to the outer surface of the fixed tube 120, regret in the adjusted state To prevent it.
  • the rear end of the movable tube 121 is always pushed in the direction of the fish beam 102 so that the movable retaining bar 122 can maintain a close contact with the fish beam 102 in a pressure spring 130. ) May be embedded.
  • the fixed tube 120 is connected between the movable supporter 118, which is maintained at a constant interval on the right rear side of the walking board 101, and the fixed tube 120 ) May be configured to couple the movable tube 121 to which the movable holding bar 122 is fixed, and the movable tube 121 may be interrupted by fixing means such as bolts.
  • the reinforcing means 135 is further provided in the walking plate 101 on which the fixed holding member 103 and the movable holding member 104 are installed, so as to compensate for weakness due to repeated fastening or concentration of load.
  • the reinforcement means 135 is fixed to the inner surface of the foot plate 101 by the welding or fixing means 137 in the longitudinal direction of the reinforcement bar 136 consisting of a c-shaped channel, L-shaped or I-type angle, etc. It can be maintained that the hole and the like formed for fastening to penetrate the reinforcing bar 136 as well as the foot plate 101.
  • the reinforcing bar 136 may be across the length and breadth of the walking board 101, but it may be preferable to intervene in a heavily loaded area and omit other parts so as not to cause a reduction in weight.
  • the fixed holding member 103 and the movable holding member 104 fixed to the walking board 101 may be fixed in a rigid state, but may be provided on the walking board 101 so as to provide convenience of loading and transporting. It may be configured detachably.
  • the movable holding member After lifting up between the fish beams 102 by using the traction ring 105 provided on the upper surface of the foot plate 101 having the fixed holding member 103 and the movable holding member 104, the movable holding member The foot plate 101 on which the sphere 104 is located is inclined downward to be inserted into the space between the fish beam 102 and the fish beam 102.
  • the inclined bar 112 constituting the fixed and movable holding holes 103 and 104 is in contact with the inclined surface 111 of the fish beam 102 and is fixed and held.
  • the bar 110 and the movable holding bar 122 are in close contact with the vertical surface of the fish beam 102.
  • the movable supporter 118 holding the fixed tube 120 is moved to the left and right sides of the pedestrian plate 101 to adjust, and the distance to the fish beam 102 is narrow. There is a fine adjustment using the control means 125 provided in the fixed tube 120 and the movable tube 121.
  • control pin 128 passes through the slot 127 of the fixed tube 120 and the adjusting hole 126 of the movable tube 121, and then the intermittent nut 129 that has been retracted in the direction of the control pin 128. Move forward and push it.
  • control pin 128 moves in the direction of the fish beam 102 by the force pushed by the intermittent nut 129, and the inclined bar 112 provided in the movable holding bar 122 is an inclined surface of the fish beam 102. 111, the control is completed by stopping the movement of the intermittent nut 129.
  • the fixing holding member 103 is naturally connected to the fish beam 102 on the opposite side and is tightened in a firm state.
  • the work path may be constructed in such a way that the work equipment for the other fish beam bridge construction devices 100 is installed in the same way.
  • the foot plate 101 that the close contact plate 106 fixed to the walking board 101 constitutes the adjacent construction work beam construction device 100 for the fish beam bridge (101)
  • the adjacent construction work beam construction device 100 for the fish beam bridge (101) By being caught on the upper surface of the fish-beam bridge work for each construction device 100 can take a form connected to each other to maintain a stable state.
  • the fixed holding bar 103 is configured to clamp the holding bar 110 and the movable holding bar 122 constituting the movable holding block 104 by clamping and using a pipe once more. If you give it a more solid state can be easily prevented such as shaking due to external pressure.
  • FIG. 10 is a perspective view showing a crossbeam jumper applied to a work beam construction apparatus for a fish beam bridge to which the technique of the present invention is applied
  • FIG. 11 is a crossbeam applied to a work beam construction apparatus for a fish beam bridge to which the technique of the present invention is applied.
  • A-A cross-sectional view showing a jumper
  • Figure 12 is a cross-sectional view B-B line showing a crossbeam jumper applied to the construction device for a fish beam bridge to which the technique of the present invention is applied
  • Figure 13 is a technique of the present invention
  • Fig. 14 is a diagram showing the state in which the applied crossbeam jumper is mounted on the construction device for the work of the fish beam bridge, and Fig. 14 is described together with the installation state diagram of the work arrangement for the fish beam bridge to which the crossbeam jumper of the present invention is applied. .
  • a cross beam jumper which can be detachably provided on the foot plate 101 and can connect the foot plate 101 without openings at the cross beam installation position CA without fixing and movable holding holes 103 and 104. It is characterized by further comprising (140).
  • the cross beam jumper 140 may be fastened to a plurality of adjustment holes 116 formed to fasten the fixed and movable holding holes 103 and 104 to the front or rear of the foot plate 101 by the fastening means 142.
  • the plate-shaped jumper base 145 which provided the fastening hole 143 in the lower part is provided.
  • the upper end of the jumper base 145 is integrally formed with a horizontal plate 146 maintained at a predetermined width, and the reinforcing plate 147 protruding downward is formed at the end of the horizontal plate 146.
  • the horizontal and reinforcing plates 146 and 147 may be implemented in various forms such as bent from the jumper base 145 or integrally formed during extrusion, and the reinforcing plate 147 may be formed at the end of the horizontal plate 146. If the treatment is smooth it may not be formed.
  • the horizontal plate 146 is connected to the walking plate 101 installed at both sides of the cross beam installation position CA and the connecting bar 148 such as the scaffolding pipe to connect the walking plate 101 of the cross beam installation position CA. It has a conventional clamp 149 that can be held.
  • the clamp 149 can be moved by the intermittent means 151 such as a bolt nut through the clamp hole 150 formed in the long plate shape in the horizontal plate 146 to the cross beam installation position CA (149). ) So that it is not positioned.
  • the intermittent means 151 such as a bolt nut
  • the end of the footrest 101 on which the movable retention zone 104 is located moves to the lower end of the fish beam 102 so as to gradually keep the foothold 101 on which the movable retention zone 104 is positioned in a horizontal state.
  • the fixed retention zone 103 is naturally connected to the fish beam 102, and at the same time, the movable retention zone 104 is also connected to the fish beam 102.
  • the movable retention zone 104 is moved to compensate for the gap between the fishbeam 102 and the fishbeam 102 and the gap generated between the fixed and movable retention zones 103 and 104. Installation of the building device 100 is completed, and it is possible to build a work path by continuously connecting to the front or rear of the walking board 101 based on this.
  • the opening 101 is not installed by using the crossbeam jumper 140 at the crossbeam installation location CA. Do not
  • the conventional clamp 149 is fastened to the fixed and movable holding bars (125, 126) constituting the fixed and movable holding spheres (103, 104) provided on the left and the right of the pre-installed work-building device (100),
  • the connection bar 148 is fixed to the clamp 149 to protrude to the cross beam installation position CA.
  • the connecting bar 148 protruded as described above is connected to the walking plate 101 fixed to the cross beam jumper 140 in sequence to cover the cross beam connection position (CA) so that no opening is generated, and the cross beam installation position After the connection of the walking board 101 to the CA is completed, the work path may be constructed by connecting the walking boards 101 having the fixed and movable holding regions 103 and 104.
  • clamp hole 150 formed in the horizontal plate 116 is formed in the form of a long hole, the clamp 149 is moved to match the position and then fixed.
  • connection beam 148 is firmly fastened by using the clamp 149 provided on the horizontal plate 146 to fix the walking board 101 and the fish beams 102 using the movable holding holes 103 and 104. It is possible to maintain a solid connection state with the adjacent walking board 101 without maintaining in, and to be able to build a working path without an opening in the cross beam installation position CA.
  • the foot plate 101 is again held throughout the fish beam 102 by using a fixed and movable holding spheres (103, 104) to maintain a solid state in the fish beam (102) It is possible to construct a safe work path without openings.
  • the present invention can secure the safety by eliminating the opening opening in the cross beam position while having a fixed and movable holding or a cross beam jumper on the foot plate to facilitate the installation of the work path to the structure constructed by the cross beam can do.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

La présente invention porte sur un appareil d'échafaudage-construction pour un pont en poutres PC, l'appareil étant capable d'être facilement installé, de réduire sensiblement les coûts d'installation grâce à sa réutilisation à long terme, et d'éliminer la possibilité d'accidents par conservation d'un état sécurisé après avoir été installé. L'appareil comprend : une plaque de passerelle comprenant un élément de blindage approximativement rectangulaire ; un élément de retenue fixe pour fixer et coupler une poutre PC à un côté de la plaque de passerelle ; un élément de retenue mobile, placé sur la plaque de passerelle en une position opposée à l'élément de retenue fixe, pour se déplacer à l'intérieur d'un écartement entre des poutres PC et se coupler à une poutre PC ; un crochet de halage placé sur une surface supérieure de la plaque de passerelle pour faciliter le halage ; et une plaque de cohésion fixée à l'avant de la plaque de passerelle pour raccorder la plaque de passerelle à une plaque de passerelle d'un appareil d'échafaudage-construction adjacent.
PCT/KR2010/005622 2009-09-02 2010-08-24 Appareil d'échafaudage-construction pour pont en poutres pc WO2011027985A2 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2009-0082659 2009-09-02
KR1020090082659A KR101112172B1 (ko) 2009-09-02 2009-09-02 피시빔 교량용 작업로 구축장치
KR1020100024756A KR101143422B1 (ko) 2010-03-19 2010-03-19 피시빔 교량용 작업로 구축장치
KR10-2010-0024756 2010-03-19

Publications (2)

Publication Number Publication Date
WO2011027985A2 true WO2011027985A2 (fr) 2011-03-10
WO2011027985A3 WO2011027985A3 (fr) 2011-07-07

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PCT/KR2010/005622 WO2011027985A2 (fr) 2009-09-02 2010-08-24 Appareil d'échafaudage-construction pour pont en poutres pc

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997020988A1 (fr) * 1995-12-07 1997-06-12 Alfons Moog Dispositif de controle des ponts
KR200429997Y1 (ko) * 2006-08-21 2006-11-02 김진곤 피시빔 작업로 구축용 설치구
KR100696677B1 (ko) * 2006-03-06 2007-03-19 김진곤 피시빔 작업로 구축용 설치구

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997020988A1 (fr) * 1995-12-07 1997-06-12 Alfons Moog Dispositif de controle des ponts
KR100696677B1 (ko) * 2006-03-06 2007-03-19 김진곤 피시빔 작업로 구축용 설치구
KR200429997Y1 (ko) * 2006-08-21 2006-11-02 김진곤 피시빔 작업로 구축용 설치구

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