KR101477753B1 - Mesh fence using non-bolt hole post pipe and clamp, and method for constructing the same - Google Patents

Abstract

The present invention relates to a mesh fence using a non-boring post and a clamp and a construction method thereof, which improve construction performance by fixing a steel mesh to a post without a post boring work and an additional tool. The mesh fence using a non-boring post and a clamp comprises: multiple posts (10) which are vertically installed at uniform intervals; mesh-type fences which are inserted between the posts and block the gaps between the posts; and clamping parts (30) which fix the mesh-type fences to the posts. Each of the posts includes: a post body (11) of which the bottom is installed on the ground; and a fixing part which is formed along the circumference of the post body in a groove or protrusion shape.

Description

TECHNICAL FIELD [0001] The present invention relates to a mesh-type fence using a non-perforated pillar and a clamp, and a method of constructing the mesh-

More particularly, the present invention relates to a mesh-type fence, and more particularly, to a mesh-type fence having a mesh structure in which a porous mesh such as a wire mesh is fixed to a support using a clamp (clamping means) without drilling a hole in the support, The present invention relates to a mesh-type fence using a non-perforated support and a clamp that can be fixed to a support, and a method of constructing the same.

Generally, a fence is installed for safety and boundary in buildings, houses, gardens, roadsides, parks or apartment houses, bicycle roads and bridges.

The fences according to the prior art are constituted by a plurality of pillars provided on a ground (slab or the like) with a certain distance therebetween, and a fence member provided between the pillars and blocking the spaces between the pillars.

The fence member is typically used as a mesh such as a wire mesh, or as a lateral handrail provided in one or more stages. Since the present invention relates to a mesh-type fence, only the mesh-type fence will be described below.

The mesh-type fence is installed by being fixed to the support through fixing means with a wire mesh interposed between the support members.

For example, in Patent Document 1 (Registration Utility Model No. 20-0107807) as a fixing means of a conventional mesh type mesh fence mesh (described as an example of a wire mesh), a wire mesh is fixed by using two clips, (A bolt and a nut) to the strut, assembling another clip for fixing the wire net to the clip, and fixing a wire net to the clip for fixing the wire net to fix the clip to the strut, And a fastening hole whose both sides are opened on the support is formed.

According to the mesh-type fence according to the related art, it is necessary to drill the fastening hole which is a hole through which the both sides are penetrated to the strut. Since the strut is generally circular, it is difficult to drill the hole, It is also difficult to fasten the fastener in the hole.

In addition, since the installation position of the support is different according to the size of the wire net, a large number of holes are required to be formed in the support, so that the strength of the support is weak.

In addition, since the clips are fixed to the support by a fastener (a bolt is passed through a hole of a clip and a support, and then a nut is fastened on the opposite side), the construction work of the mesh-type fence is troublesome and complicated.

Registration Utility Model No. 20-0107807 Registration Utility Model No. 20-0273361

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a method for fixing a wire mesh such as a fence member to a pillar without drilling a hole in the pillar, The present invention aims to provide a mesh-type fence using a non-perforated support and a clamp that can be installed, and a method of constructing the same.

A mesh-type fence using a non-perforated pillar and a clamp according to the present invention includes: a plurality of pillar-shaped pillar-shaped pillar- A mesh fence interposed between the struts to block between the struts; And a clamping means for fixing the net-like fence to the strut, wherein the strut includes a strut main body to which a bottom portion is fixed to the ground, and a fixing portion in which a groove or a projection is formed along a circumferential direction in a circumferential portion of the strut main body, The clamping means includes a clamping band having a clamping protrusion or a clamping portion of a clamping groove on the inner circumferential surface opposite to the fixing portion of the strut and surrounding the circumference of the strut to be coupled to the circumferential portion of the strut through the clamping portion, And one or more clips that are detachably coupled to the mesh-type fence and bind the strand and the mesh-type fence.

The clamping means of the mesh-type fence according to the present invention is characterized in that the clamping portion of the protrusion or the groove-shaped clamping protrusion or the clamping groove opposite to the fixing portion of the strut is provided on the inner circumferential surface of the clamping portion, A band, a fixing holder coupled to the periphery of the clamping band, and a clip fitted in the rim of the rim and fixed to the rim by fixing the rim to the rim.

A method for constructing a mesh-type fence using a non-perforated pillar and a clamp according to the present invention includes: a pillar main body to which a bottom portion is fixed to a ground; a plurality of pillar- A first step of erecting and installing the light source device at a predetermined distance from each other; And a second step of interposing a mesh fence between a plurality of struts installed through the first step and fixing the mesh fence to the strut through clamping means, A step 2-1 of fixing the clamping band of the clamping means to the fixed portion corresponding to the fixing position of the mesh fence among the plurality of fixing portions of the mesh fence, the clip of the clamping means is inserted into the vertical pillar at the rim of the mesh fence And (2-2) the step of assembling.

According to the mesh-type fence using the perforated pillar and clamp according to the present invention and the method of constructing the same, in order to fix the wire net as the fence member to the pillar for supporting the fence, It is possible to apply all the wire nets by using one type of support, regardless of the type and size of the fence member. Therefore, it is possible to prevent the strength of the support member from being lowered, Can be installed.

And, the clamping means is installed by manual operation without using a tool and assembled with each other to shorten the air and improve the safety of the worker.

1 is a front view of a construction state of a mesh-type fence according to the present invention.
2 is a plan view of a mesh-type fence according to Embodiment 1 of the present invention;
3 is a perspective view showing a support and clamping means of a mesh-type fence according to Embodiment 1 of the present invention.
4 is a perspective view of a clamping means applied to a mesh-type fence according to Embodiment 1 of the present invention.
5 is a plan view of a mesh-type fence according to a second embodiment of the present invention;
6 is a side view of a mesh type fence according to a second embodiment of the present invention.
7 is a perspective view of a clamping means applied to a mesh-type fence according to Embodiment 2 of the present invention;
8 is a view illustrating an example in which the struts applied to the mesh type fence according to the present invention are connected in the vertical direction.
FIG. 9 is a perspective view of a connection socket for connecting a support to a mesh type fence according to the present invention; FIG.

≪ Example 1 >

As shown in FIGS. 1 to 3, the mesh-type fence using the perforated pillar and the clamp according to the present embodiment includes a plurality of pillars 10 installed upright at a predetermined distance from each other; A wire mesh (20) interposed between the supports (10) and serving as a mesh fence for closing between the supports (10); And a clamping means (30) for fixing the wire net (20) to the support (10).

As shown in Fig. 3, the strut 10 is composed of a strut body 11 and at least one fixing groove 12 as a fixing portion.

The column body 11 is, for example, a circular or prismatic pipe having a hollow interior, and the bottom is fixed on the ground, and is fixed, for example, through a fixing groove formed in the bottom by insertion and mortar.

The fixing groove 12 is in the form of a groove that opens outward on the periphery of the column main body 11 and has an embossed shape protruding toward the inside of the column main body 11 so as to maintain a thickness And can be formed in a ring shape as a whole along the periphery of the column main body 11. [

A plurality of fixing grooves 12 are formed along the vertical direction in the column main body 11, and a plurality of fixing grooves 12 are provided for stably fixing the wire net 20.

Although only the fixing groove 12 is shown in the drawing, it is not limited to the fixing groove 12, but a fixing protrusion having an opposite shape is also possible.

The present invention is not limited to the wire mesh 20 but may be applied to all meshes (porous fences) of the mesh type, Is applicable.

As shown in Figs. 1 to 4, the clamping means 30 includes a clamping band 31 which is coupled to the strut 10. As shown in Fig.

The clamping band 31 is coupled to the strut 10 by using the fixing groove 12 of the support 10 and the band body 32 and the band body 32 in a straight band form And a clamping protrusion 33 protruding toward the support 10 and inserted into the fixing groove 12 of the support 10.

The band body 32 may be in the form of a ring, but it may be in the form of a straight line for easy installation in the pillar 10, and may have one or more, preferably two or more, A fastening hole 34 is formed as a fastening portion and a hook 35 is formed on the other side to be inserted into the fastening hole 34. [

The clamping protrusions 33 may be formed in a protruding shape that is fitted into the fixing groove 12 of the support 12 and may be embossed in the band body 32 and may protrude from the inner circumferential surface of the band body 32 .

The clamping protrusions 33 are formed in a ring-like shape, for example, hemispherical in shape, preferably formed in two or more in the band body 32 so as to be firmly connected to the strut 10 or formed entirely along the longitudinal direction of the band body 32 It is also possible.

The clamping protrusion 33 is changed to the clamping groove when the fixing groove 12 of the support 10 is changed to the fixing protrusion.

The clamping means (30) includes a clip (36) which is coupled to the vertical stand (21) of the wire netting (20).

The clip 36 is formed so as to surround the vertical base 21 while forming an insertion portion (space) in which one side is connected to the band body 32 and the other side of which the vertical base 21 of the wire mesh 20 is inserted .

The clip 36 extends linearly outward from the band body 32 to a predetermined length (a size into which the vertical stand 21 can be inserted), is bent back toward the band body 32 side, The other end of the clip 36 is spaced apart from the band body 32 to be inserted into the vertical band 21 for insertion of the vertical band 21, 21 are inserted.

Although the wire net 20 is not detached from the clip 36 due to the structure of the clip 36, it is preferable that the cover piece 37 is applied for more stable installation.

One end of the lid piece 37 is connected to the band body 32 and protrudes to a size that covers the open portion of the insertion portion of the clip 36.

The lid piece 37 is attached to the clip 36 so as to prevent the detachment of the wire net 20 and can be installed only by inserting the wire net 20 without opening the lid piece 37 at the time of installing the wire net 20 It is also possible to form the guide portion 38 extending at the free end side at an angle.

The clip 36 and the lid piece 37 may be formed integrally with the band body 32 or may be formed of a single piece and then fixed by welding or the like. In the former case, a part of the band body 32 may be cut So that the structure is simplified and reduced in weight.

It is preferable that the clamping band 31, the clip 36 and the lid piece 37 are made of steel. Of course, the clamping band 31, the clip 36 and the lid piece 37 may be made of various materials such as nonferrous metal, synthetic resin, It is preferable that the elastic member 37 has an elastic force to prevent separation of the wire mesh 20.

Since the wire mesh 20 installed between the pillars 10 generates a clearance, a left / right shake occurs. To prevent this, the clip 36 and one or more of the lid pieces 37 A supporting piece 39 for supporting the vertical base 21 of the wire mesh 20 is formed on the inner surface of the cover piece 37 and the cover piece 37 as shown in Fig.

The support piece 39 can be formed by cutting a part of the clip 36 and the lid piece 37 (one side in the upper and lower parts and the width direction) and then bending the piece at an angle toward the inside, And is disposed on the opposite side of the formed portion, thereby firmly fixing the vertical stand 21.

A method of constructing the mesh-type fence using the apertures and clamps of the present embodiment is as follows.

1. Installation of the holding.

A plurality of struts 10 are installed upright in line with the design line of the fence so that the distance between the struts 10 is set to the left and right length of the wire net 20, After the large diameter fixing groove is punched, the column 10 is inserted into the fixing groove at a design height, and the column 10 is set up by fixing mortar between the column 10 and the fixing groove.

2. Wire mesh installation.

The position of the clamping means 30 which can stably and stably install the wire mesh 20 is determined and the position of the clamping means 30 among the plurality of fixing grooves 12 is determined, The clamping unit 30 is installed in the following manner by selecting the fixing groove 12 corresponding to the position of the clamping unit 30.

The clamping bosses 33 of the clamping bands 31 are fitted into the fixing grooves 12 of the support 10 and the hooks 35 of the clamping bands 31 are clamped by the clamping bands 31 And the clamping band 31 is fixed to the support 10 with the clamping hole 34 on the opposite side.

The wire net 20 is placed between the supports 10 and the vertical base 21 of the wire net 20 is inserted into the clip 36. When the lid 37 is applied, The vertical bar 21 is inserted between the flaps 37 and then inserted into the insertion portion of the clip 36 to be installed.

A space is formed between the guide portion 38 and the clip 36 so that the clip 36 and the lid piece 37 are not opened and the vertical piece 21 is held between the clip 36 and the lid piece 37 ) To push it in.

When the vertical bar 21 of the wire net 20 is thus coupled to the clip 36, the clip 36 and the lid piece 37 are prevented from being separated from each other by their own elastic forces.

≪ Example 2 >

As shown in FIGS. 5 to 7, the mesh-type fence using the apertured strut and the clamp of this embodiment has the structural feature of the clamping means 40, and the struts 10 and the wire net 20 are the same as those of Embodiment 1 Do.

The clamping means 40 includes a clamping band 41 fixed to the strut 10, a fixed holder 42 formed on the clamping band 41, a fixed holder 42 coupled to the fixed holder 42, And a clip 43 for supporting it.

The clamping band 41 has a function of fixing the fixing holder 42 to the support 10 and has a clamping protrusion on the inner circumferential surface so as to be fixed through the fixing groove 12 of the support 10.

The clamping band 41 is formed in a band shape and surrounds the main body 11 and is fixed to one side of the clamping band 41. The clamping band 41 is provided with a plurality of clamping holes 41a at one side and a locking protrusion 41b And can be used regardless of the size of the outer diameter of the pillar main body 11.

The clamping protrusion is formed in a size and shape to be inserted into the fixing groove 12 on the inner surface of the band body 41c.

The holder 42 is fixed to the clamping band 41 so that the clip 43 is fixed. The holder 42 has a plate shape of a predetermined area and is fixed to the clamping band 41. The holder holder 42a, And a pair of holder pieces 42c extending from both sides in the lateral direction (front and rear) of the base member 42a at predetermined angles and having a locking hole 42b through which the clip 43 is fixed.

The retaining holes 42b may be formed only on the holder piece 42c or may be formed in two or more stages so that the position of the wire mesh 20 can be adjusted.

The fixing holder 42 is preferably made of a material having no elastic force so that the clip 43 is not separated from the clip 43. The clip holder 43 prevents the wire mesh 20 from being stolen by separation of the clip 43.

The fixed holder 42 may be welded to the clamping band 41. Two of the fixed holders 42 may be arranged at intervals of 180 DEG or two apart at 90 DEG intervals or only one of them may be arranged according to the structure of the fence.

Alternatively, the fixing holder 42 may be fitted without being welded to the clamping band 41. For example, the clamping band 41 may be formed by forming a loop at the rear of the band fixing part 42a, And thus the position of the fixed holder 42 is adjusted according to the position of the wire mesh 20 at the construction site, so that the workability is good.

The clip 43 includes a wire mesh fixing portion 43a for fixing and fixing the rim of the wire mesh 20 and a fixing portion 42b extending from both sides of the wire mesh fixing portion 43a and fixed to the fixing hole 42c of the fixing piece 42c And a pair of clip pieces 43c provided with a locking hole 43b to be fitted and fixed to the base plate 43a.

The wire mesh fixing part 43a is ring-shaped to be opened toward one side so as to sandwich the longitudinal wire disposed at the rim of the wire mesh 20, and is opened by the self-elastic force, .

The pair of clip pieces 43c are configured to gradually expand from both sides of the entrance of the wire mesh fixing portion 43a and exert a force caused by their own elastic force so that the hooking hole 43b is engaged with the hooking hole 42b As shown in Fig.

The hooking hole 43b is opposed to the hooking hole 42b on the outer surface of the clip piece 43c and is free to fit into the fixing holder 42c but is inserted into the hooking hole 42b, As shown in Fig.

Clamping means (40) having such a configuration is used along at least one longitudinal direction to fix the wire net (20) to the support (10).

A method of constructing the mesh-type fence using the apertures and clamps of the present embodiment is as follows.

1. Installation of the holding.

A plurality of struts 10 are installed upright in line with the design line of the fence so that the distance between the struts 10 is set to the left and right length of the wire net 20, After the large diameter fixing groove is punched, the column 10 is inserted into the fixing groove at a design height, and the column 10 is set up by fixing mortar between the column 10 and the fixing groove.

2. Wire mesh installation.

The position of the clamping means 40 which can stably and stably install the wire netting 20 is determined and the position of the clamping means 40 is determined among the plurality of fixing grooves 12, The clamping means 40 is installed in the following manner by selecting the fixing groove 12 corresponding to the position of the clamping member 40.

The clamping protrusion of the clamping band 41 is fitted into the fixing groove 12 of the support 10 and the clamping boss 41b is fitted into the coupling hole 41a while the support 10 is surrounded by the clamping band 41, The band 41 is fixed to the support 10.

The wire netting 20 is placed between the supports 10 and the clip 43 is assembled to the left and right edges of the wire netting 20 in accordance with the fixing holder 42 of the clamping band 41 When the clip pieces 43c of the clips 43 are pushed into the holder pieces 42c of the fixed holder 42 while assembling the wire rods of the right and left edges of the wire net 20, the pair of clip pieces 43c are gathered The clip piece 43c is pulled inward by the holder piece 42c and the clip piece 43c is engaged by the self-elastic force when the catching hole 43b corresponds to the catching hole 42b, And is fixed to the engaging hole 42b.

On the other hand, when there is a need to increase the height of the already installed fence, or when the height of the fence is not satisfied by only one strut, there is a case where two or more struts are connected and the height is adjusted. For example, The height of the fence is higher than that of a conventional fence. In this case, the strut of the present invention is more easily and firmly connected.

As shown in FIG. 8, when the second struts 10-2 are connected to the first struts 10-1 at the lower end in the vertical direction, the first and second struts 10-1 and 10-2 are connected And the socket 60 is coupled.

The first and second struts 10-1 and 10-2 are the same products each having a fixing groove 12 (or a fixing protrusion) on the periphery thereof. The fixing groove 12 and the connecting socket 60 ).

9 and 10, the connection socket 60 has a connection groove 61 (not shown) which is respectively engaged with the fixing grooves 12-1 and 12-2 of the first and second support columns 10-1 and 10-2, And 62 are provided at upper and lower portions, respectively.

The connection grooves 61 and 62 vary depending on the shapes of the fixing grooves 12-1 and 12-2 of the first and second support columns 10-1 and 10-2, , And 10-2 are formed in a ring shape because the fixing grooves 12-1 and 12-2 are ring-shaped.

Since the fixing grooves 12-1 and 12-2 of the first and second support columns 10-1 and 10-2 are embossed inwardly protruding from the first and second support columns 10-1 and 10-2, The fixing grooves 12-1 and 12-2 of the first and second support columns 10-1 and 10-2 are inserted into the grooves 61 and 62, respectively.

At the periphery of the connecting socket 60, the latching protrusions 63 and 64 which are hooked on the ends of the first and second support pillars 10-1 and 10-2 are formed vertically. Of course, it is also possible that only one jaw is formed.

It is possible to connect the connection socket 60 to the first and second support columns 10-1 and 10-2 through the connection grooves 61 and 62. However, by forming the engagement protrusions 63 and 64, (10-1, 10-2) are firmly connected to each other.

The locking jaws 63 and 64 can be formed by, for example, reducing the diameter of the tube, and of course, can be formed through various methods.

The connection socket 60 is preferably a tubular member having a hollow interior. The connection socket 60 is not simply inserted into the first and second support columns 10-1 and 10-2, 10-2 in the vertical direction so as to be press-fitted into the inner circumferential surface of the upper and lower vertical plates 10,

Each of the slots 65 and 66 is formed with one or more, preferably two or more, along the circumferential direction.

The slots 65 and 66 are formed by forming the pressing sockets 67 and 68 around the slots 65 and 66 so that the connecting sockets 60 are gathered, -1, 10-2), and are tightly coupled to the first and second support columns 10-1 and 10-2.

The connecting grooves 61, 62 are formed in the pressing pieces 67, 68 so that the connecting socket 60 is firmly coupled to the support.

 The connecting socket 60 can be coupled to the peripheries of the first and second struts 10-1 and 10-2 when the fixing protrusions are formed on the first and second struts 10-1 and 10-2 .

In addition, at least one fixing groove capable of clamping the clamping means 30 is provided at a portion of the connection socket 60 which is not inserted into the first and second support columns 10-1 and 10-2, (10-1, 10-2) and the fence can be firmly installed.

Such a socket is not limited to being used only for connecting the struts vertically and vertically, but can also be used for connecting the strands continuous in the transverse direction.

10: column, 11: column main body
12: Fixing groove,
20: Wire mesh,
30: clamping means, 31: clamping band
32: band body, 33: clamping projection
34: fastening hole, 35: hook
36: clip, 37: lid
38:
41: clamping band, 42: fixed holder
43: clip, 60: connection socket

Claims (14)

A plurality of pillars (10) installed upright at a predetermined distance from each other;
A mesh fence interposed between the struts to block between the struts;
And a clamping means (30) for fixing the meshed fence to the strut,
The support comprises a support body (11) which is fixed at the bottom of the support body to the ground, and a fixing part formed at the periphery of the support body with a groove or a projection along the circumferential direction,
Wherein the clamping means comprises a clamping band having a clamping protrusion or clamping portion of a clamping groove on the inner circumferential surface opposite to the fixing portion of the strut and surrounding the circumference of the strut and being coupled to the circumferential portion of the strut through the clamping portion, And at least one clip formed at a periphery of the band and detachably coupled to the net-like fence to bind the strut with the mesh-type fence. The clamp according to claim 1, wherein the clip is formed to be bent to surround the vertical band while one side is connected to the clamping band and the other side is formed with an insertion portion into which a vertical band of the mesh fence is inserted. Used mesh type fence. The mesh type heddle according to claim 2, wherein the mesh piece includes a lid piece covering the insertion portion of the clip. [4] The apparatus of claim 3, further comprising at least one support piece (39) protruding inward from one of the clip and the lid piece to support the vertical stand of the wire net inserted into the clip, Mesh type fence with clamp and clamp. 4. The mesh-type fence as claimed in claim 3, wherein the clip and the cover are integrally formed with the clamping band through an incision of the clamping band. The clamping band according to claim 2 or 3, wherein the clamping band is in the form of a band, and one or more fastening portions are formed on one side of opposite ends of the clamping band, and a hook is coupled to the fastening portion on the other side, Mesh - type fence with perforated support and clamp. A plurality of pillars (10) installed upright at a predetermined distance from each other;
A mesh fence interposed between the struts to block between the struts;
And a clamping means (30) for fixing the meshed fence to the strut,
The support comprises a support body (11) which is fixed at the bottom of the support body to the ground, and a fixing part formed at the periphery of the support body with a groove or a projection along the circumferential direction,
Wherein the clamping means comprises a clamping band (41) having an inner circumferential surface provided with a clamping protrusion or a clamping portion of a clamping groove which is opposite in shape to the fixing portion of the strut, the clamping band being coupled to the circumferential portion of the strut through the clamping portion, And a clip (43) fitted in the rim of the mesh fence and fixed to the fixing holder to fix the mesh fence to the strut. Mesh type fence using. [9] The band clamp according to claim 7, wherein the clamping band comprises: a band body which surrounds the strut body as a band shape and has both sides fixed to each other, a multi-step fastening hole at one side and a fastening protrusion fastened to the fastening hole at the other side; And the clamping portion is formed on an inner circumferential surface of the band body so as to be opposite to the fixing portion of the strut and is fitted to the fixing portion. [8] The apparatus of claim 8, wherein the fixing holder includes a pair of holder pieces having a plurality of fastening holes to which the clip is inserted on both sides in the transverse direction, and the clip includes a fence fixing part for covering and fixing the rim of the screen- And a pair of clip pieces extending from both sides of the fence fixing part and having an engaging hole which is fitted and fixed to the engaging hole of the holder of the fixing holder. [12] The clip according to claim 9, wherein the clip is formed to extend toward an end of the clip member, and the clip is projected obliquely on an outer surface of the clip member, and is fitted to the holder piece of the fixture holder by self- Mesh - type fence with non - perforated support and clamp. [Claim 11] The mesh type fence according to claim 10, wherein the fixed holder is movably coupled to the clamping band along the circumferential direction of the strut and is moved to the position of the mesh fence. The connector according to any one of claims 1 to 7, further comprising a connection socket (60) for connecting the struts in a cascade connection manner, wherein the connection socket is formed with a connection groove in which the fixing portion of the support is engaged, And a clamping jaw for supporting the clamping jaw. [Claim 14] The mesh-type fence using a perforated pillar and a clamp according to claim 12, wherein the connection socket includes one or more slots to be in close contact with the pillar main body of the pillar. A method of constructing a mesh-type fence according to claim 1,
A first step of erecting a plurality of struts made up of a fixing part formed with grooves or protrusions along a circumferential direction at a circumferential part of the strut main body at a predetermined distance from each other;
And a second step of interposing a mesh fence between a plurality of struts installed through the first step and fixing the mesh fence to the strut through clamping means,
The second step includes a second step of fixing the clamping band of the clamping means (30) to a fixed portion corresponding to a fixed position of the mesh fence among a plurality of fixed portions of the strut installed through the first step, And a second step (2-2) of assembling the clip (36) of the clamping means to a vertical stand at a rim of the fence.

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