KR101130307B1 - Device for forming the end of antenna rod - Google Patents

Device for forming the end of antenna rod Download PDF

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Publication number
KR101130307B1
KR101130307B1 KR1020100096087A KR20100096087A KR101130307B1 KR 101130307 B1 KR101130307 B1 KR 101130307B1 KR 1020100096087 A KR1020100096087 A KR 1020100096087A KR 20100096087 A KR20100096087 A KR 20100096087A KR 101130307 B1 KR101130307 B1 KR 101130307B1
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KR
South Korea
Prior art keywords
rod
antenna
antenna rod
guide
forming apparatus
Prior art date
Application number
KR1020100096087A
Other languages
Korean (ko)
Inventor
김윤성
Original Assignee
주식회사 와이에스테크
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
Application filed by 주식회사 와이에스테크 filed Critical 주식회사 와이에스테크
Priority to KR1020100096087A priority Critical patent/KR101130307B1/en
Application granted granted Critical
Publication of KR101130307B1 publication Critical patent/KR101130307B1/en

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/08—Means for collapsing antennas or parts thereof
    • H01Q1/10—Telescopic elements
    • H01Q1/103—Latching means; ensuring extension or retraction thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
    • H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
    • H01Q1/244—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas extendable from a housing along a given path
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/06—Details
    • H01Q9/14—Length of element or elements adjustable

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Details Of Aerials (AREA)

Abstract

PURPOSE: An antenna rod molding apparatus is provided to automate an antenna rod supply process and to guide an antenna rod to a fixture. CONSTITUTION: A rod guide means(100) guides an antenna rod in a specific direction. A rod fixing means(200) accepts the antenna rod in inside. The rod fixing means fixes or lifts the antenna rod to the state in which an end part of the antenna rod is exposed. A rod molding means(300) strikes or pressurizes the exposed end part of the antenna rod. A rod supply means(400) supplies the antenna rod in order to be settled in a guide groove. A girth processing means(500) processes the girth of the end part of the antenna rod which is expanded or reduced.

Description

Antenna Rod Forming Equipment {DEVICE FOR FORMING THE END OF ANTENNA ROD}

The present invention relates to an antenna rod forming apparatus, and more particularly, to an antenna rod forming apparatus having a process in which an antenna rod is guided and fixed, an expansion or shaft forming of a fixed antenna rod, and an edge machining process of an end of a molded antenna rod. It is about.

Devices such as mobile communication terminals are often equipped with a rod antenna for receiving DMB. The rod antenna is a structure in which a plurality of rods of different diameters are elastically coupled.

The rod antenna adopts a structure in which the lower end of the rod of the smaller diameter is hung on the upper end of the rod of larger diameter so that the rod of the smaller diameter does not deviate from the upper end of the rod of the larger diameter in the stretching process.

To this end, a rod antenna is generally configured such that a rod upper end of a larger diameter is piped to form a hooking jaw, and a rod lower end of a smaller diameter is expanded to be hooked to the hooking jaw described above.

In order to expand or axially form the ends of the antenna rod, the operator conventionally clamps the antenna rod to a fixture, such as a chuck, and presses or strikes the end of the rod protruding from the chuck using a dilating tool or a axial tool. Molding process

The molded antenna rod is subjected to an edge machining operation so that the diameter of the molded portion is adjusted while smoothing the edge surface of the molded antenna rod end.

Conventionally, the edge machining operation is performed by a worker by biting the molded antenna rod to a separate chuck.

As described above, in the conventional antenna rod forming operation and the edge machining operation, many manual processes are required for each antenna rod that requires the operator to expand or extend the tube.

The present invention has been made to solve the above problems of the conventional antenna rod forming process, an object of the present invention is to provide an antenna rod forming apparatus that is automated after the antenna rod is guided to the fixture.

It is also an object of the present invention to provide an antenna rod forming apparatus in which a process of supplying an antenna rod to a work table for guiding the antenna rod to a fixture is automated.

Further, an object of the present invention is to provide an antenna rod forming apparatus in which an edge processing process is performed, in which the edge processing is performed immediately after the molded antenna rod is molded in a fixed state.

The present invention has been made in order to solve the above problems, the rod guide means for guiding in one direction while pushing the antenna rod placed on the bottom, and the end of the antenna rod is exposed while receiving the antenna rod guided by the rod guide means therein Rod fixing means for fixing or releasing in a closed state, and rod forming means for expanding or axially expanding while the exposed end of the antenna rod fixed by the rod fixing means is hit or pressed.

In addition, the present invention may further include a rod supply means for supplying the antenna rod to the bottom.

In addition, the edge processing means for processing the end edge of the antenna rod expanded or concentric by the rod forming means may be further included.

According to the present invention, since the supply of the antenna rod to the rod fixing means is automated, there is no need for the operator to individually supply the antenna rod to the rod fixing means to fix the rod.

In addition, when the rod supply means is further included, since the supply of the antenna rod to the bottom part to be guided by the rod guide means is made automatically, in this case, an operation of supplying the antenna rod to the bottom part by a worker or an advantage of being unnecessary. There is this.

In addition, according to the rod supply means, the operator can supply the antenna rod simply by loading a plurality of antenna rods into the rod supply means, so that the molding of the antenna rod can be made much simpler and can be performed quickly. have.

In addition, in the case where the edge processing means is further included, the edge of the antenna rod end may be processed immediately without a separate manual work immediately after the molding operation by the rod forming means is completed. There is an advantage that can be finished on the workbench.

1 is a conceptual diagram of an antenna rod forming apparatus according to an embodiment of the present invention,
2 is a perspective view showing the rod guide means and the rod supply means shown in FIG.
3 is a side view of the rod guide means and the rod supply means shown in FIG.
4a and 4b is a side view showing the operating state of the rod supply means shown in FIG.
5a to 5b is a schematic conceptual view of the rod fixing means shown in FIG.
6 is a plan view showing the rod forming means and the edge processing means shown in FIG.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a conceptual diagram of an antenna rod forming apparatus 1 according to a preferred embodiment of the present invention. The present embodiment includes a rod guide means 100, a rod fixing means 200 and a rod forming means (300).

The rod guide means 100 is a means for guiding while pushing the antenna rod in one direction. As a specific example of the rod guide means 100 in FIG. 2, an example of a rod guide means 100 including a moving plate 110, a guide rod 120, and a guide pin 130 is shown.

The moving plate 110 may reciprocate in one direction, which is a direction in which the antenna rod should be guided. The moving plate 110 may be reciprocated by being connected to the cylinder rod 112 of the pneumatic or hydraulic cylinder 111, and may be reciprocated by being connected to various other reciprocating means.

At this time, the moving plate 110 is coupled to the guide rod 120 so that the moving plate 110 moves while being guided. The guide rod 120 is disposed to have a longitudinal direction in the direction in which the movable plate 110 moves, and the movable plate 110 is coupled to the guide rod 120 by a moving material. In the illustrated example, an example in which the moving plate 110 is coupled to two guide rods 120 is guided.

The moving plate 110 is fixed with a guide pin 130 that pushes the antenna rod in accordance with the movement of the moving plate (110). As the moving plate 110 reciprocates by the above-mentioned reciprocating means, the end of the guide pin 130 pushes the end of the antenna rod when moving in one direction, thereby guiding the antenna rod to the rod fixing means 200 which will be described later.

At this time, the guide groove 51 may be formed in the bottom 50 so that the antenna rod can be guided without being separated in one direction.

Guide groove 51 is formed in a straight line to extend in one direction toward the rod fixing means 200 to be described later. In the state where the antenna rod is seated in the guide groove 51, the guide pin 130 pushes the end of the antenna rod along the guide groove 51 from one side of the guide groove 51, whereby the antenna rod is the guide groove 51. Can be guided without being displaced in one direction.

At this time, the departure prevention piece 52 may be fixed to the bottom 50 of the guide groove 51, the departure prevention piece 52 according to the guide pin 130 when the guide guides push the antenna rod guide groove It is possible to guide without deviation to the upper side of (51).

On the other hand, this embodiment may further include a load supply means 400 so that the process of placing the antenna rod is seated in the guide groove 51 of the bottom 50 is automated.

2, 3, 4A and 4B, an example in which the hopper 410 and the transfer plate 420 are included as a specific example of the rod supply means 400 is shown.

Hopper 410 is provided with a space there may be a plurality of antenna rod (2) is loaded. In addition, a gap 411 through which the antenna rod 2 can exit is formed in the lower portion. The gap 411 preferably has a width that is larger than one times the outer diameter of the antenna rod and smaller than twice so that the antenna rod 2 can be pulled out one by one.

The transfer plate 420 is interposed between the lower gap 411 of the hopper 410 and the upper surface of the bottom 50 to accommodate the antenna rod 2 exited into the gap 411.

As a specific example of the transfer plate 420 accommodating the antenna rod 2, an example may be provided in which an incision groove 421 is formed in a portion of the transfer plate 420 at a position corresponding to the gap 411. According to this example, the antenna rod 2 escaping from the gap 411 can be accommodated as the incision groove 421, and the received antenna rod 2 is supported downward by the upper surface of the bottom 50. It does not escape from the inside of the incision groove 421 to maintain the accepted state.

The transfer plate 420 may be reciprocated in the direction of the guide groove 51 in a state interposed between the gap 411 of the hopper 410 and the bottom 50. Reciprocating movement is possible by being connected with various reciprocating means, such as a pneumatic or hydraulic cylinder 422, similarly to the means for reciprocating the moving plate 110 of the rod guide means 100 mentioned above.

As shown in FIG. 4A, the transfer plate 420 moves in the direction of the guide groove 51 in a state where the antenna rod 2 is accommodated in the cut groove 421. Since the gap 411 is closed by the upper surface of the transfer plate 420 in the moving process, the antenna rod 2 loaded inside the hopper 410 can no longer escape through the gap 411.

As shown in FIG. 4B, the cutting groove 421 and the guide groove 51 coincide with each other in the up and down direction, that is, the cutting groove 421 is located above the guide groove 51 and the cutting groove 421. When the transfer plate 420 moves to the position where the guide groove 51 communicates in the vertical direction, the antenna rod 2 accommodated in the cut groove 421 falls to the guide groove 51 and is seated.

After the antenna rod 2 is pulled out, the transfer plate 420 is returned to its original position by the reciprocating means, and when the transfer plate 420 returns to match the position of the gap 411, the cutting groove 421 is returned. The antenna rod 2 exits through the gap 411 and is received as the cutting groove 421 of the transfer plate 420.

When the antenna rod 2 is seated in the guide groove 51, the above-described rod guide means 100 is operated to guide the antenna rod to the rod fixing means 200 which will be described later. In this case, a sensing sensor (not shown) may be further provided to detect whether the antenna rod is seated in the guide groove 51 and to start the movement of the moving plate 110.

On the other hand, the rod fixing means 200 is fixed so that the end of the antenna rod is exposed or released while receiving the antenna rod guided by the rod guide means 100 transported therein.

5A to 5C are conceptual views schematically showing the rod fixing means 200. In the specific example of the rod fixing means 200 shown, an example in which the body 210 and the fixture 220 are included is presented.

The body 210 is open at one side while the transfer path 211 is formed therein. The body 210 is disposed so that the transport path 211 is formed in a straight line with the guide direction of the antenna rod 2, and the antenna is guided by the rod guide means 100 through an opened side of the transport path 211. The rod 2 will be received inside.

The antenna rod 2 guided by the rod guide means 100 is accommodated into the fixture 220 to be described later while being guided along the transport path 211 of the body 210.

The fixture 220 is mounted on the other side of the body 210, and accommodates the antenna rod 2 into the interior of the fixture 220 in communication with the transfer path 211 through one side. In addition, the end of the antenna rod (2) is fixed or released from the antenna rod (2) in a state exposed in the other direction of the fixture 220.

As a specific example of the fixture 220 for fixing or releasing the antenna rod 2, a collet chuck that cooperates with the operation of a pneumatic or hydraulic cylinder may be presented. The collet chuck may fix or release the fixed antenna rod as the collet opens or contracts in a radial direction depending on the operation of the pneumatic or hydraulic cylinder.

In addition, various examples, such as an air chuck and a hydraulic chuck, may be provided as other examples of the fixture 220. An example of such a fixture 220 and its specific working principle are already known, and thus detailed description thereof will be omitted.

On the other hand, the sensor 210 is further mounted to the body 210 to detect whether the antenna rod 2 is received at a predetermined position inside the fixture 220, depending on whether the fixture 220 is the antenna Operation can be initiated to either secure the rod or to release the rod.

The process of the antenna rod is transported to a predetermined position inside the fixture 220, the above-described rod guide means 100, specifically, the guide pin 130 is the antenna rod to the transport path 211 through one side of the body 210 While pushing to be inserted, it may be made of a process of guiding to push to the predetermined position inside the fixture 220 continuously.

In addition, the body 210 may be supported by various supporting means (not shown) to maintain the arrangement state of the body 210.

The rod shaping means 300 is expanded or concentric by hitting or pressing the end of the antenna rod fixed by the rod fixing means 200 described above.

In FIG. 6, an example of a rod forming means 300 including a molding tool 310 and a blower 320 is shown as a specific example of the rod forming means 300.

The molding tool 310 is in contact with the end of the antenna rod 2 when it is hit or pressed by the blower 320 to be described later to transfer the force applied from the blower 320 to the end of the antenna rod (2). .

At this time, the molded part 311 is formed on one side of the molding sphere 310 which is in contact with the end of the antenna rod 2 so that the end portion of the antenna rod 2 is expanded or axially molded, and the molded portion is formed to the intended diameter. Is formed. The shaping portion 311 has a shape in which an end portion of the antenna rod 2 is in contact with the end portion of the antenna rod while the other side of the shaping sphere 310 is hit or pressed by the blower 320 to be described later, while transmitting force. Allow to be molded to diameter.

The specific shape of the molded shape 311 may be formed in various shapes to allow the antenna rod 2 to be expanded or concentric as shown in FIG. 6.

On the other hand, it is preferable that the molding tool 310 is disposed at a position facing the end of the antenna rod 2 when the molding operation is required, and is disposed away from the end position of the antenna rod 2 after the molding operation is completed. .

Either the antenna rod is discharged from the rod fixing means 200 after the molding operation is finished or the edge of the antenna rod end is processed by the edge processing means 500 to be described later.

Therefore, the molding tool 310 may approach the end of the antenna rod 2 when the molding operation is required, or move the molding tool 310 away from the end of the antenna rod 2 after the molding operation is completed. It is preferable to be connected to the moving means, an example of such a moving means may be presented an example of the pneumatic or hydraulic cylinder 312.

In the figure, an example of a molding tool 310 connected with two moving means to move in the front and rear and left and right directions while being parallel to the plane is shown. And the molding tool 310 is shown in the state arrange | positioned away from the edge part of the antenna rod 2.

The striking hole 320 is connected to a reciprocating means such as a pneumatic or hydraulic cylinder 321 while being disposed at a position facing the end of the antenna rod fixed by the rod fixing means 200, the reciprocating movement is possible.

When the molding tool 310 is disposed to face the end of the antenna rod 2 on the same line, the reciprocating means connected to the striking tool 320 is operated, the striking tool 320 is formed according to the operation of the reciprocating means While advancing in the direction of 310, the other side of the molding sphere 310 is hit or pressed, and returned to its original position by the operation of the reciprocating means.

In addition, the above-described operation of the molding tool 310 and the hitting tool 320 and the return operation to the original position may include a sensor (not shown) or other recognizing means for recognizing the time when the antenna rod is fixed to the fixing tool 220. It is preferable that the control is performed in accordance with the signal.

On the other hand, the edge processing means 500 is a means for processing the edge of the antenna rod end 2, the molding operation is completed smoothly and more precisely to have a desired diameter.

 6 illustrates an example of a frame processing means 500 including a bite 510 as a specific example of the frame processing means 500.

The bite 510 is a cutting tool which is generally used, and in this example, the bite 510 is movable to approach or leave the edge of the end of the antenna rod 2 fixed by the rod fixing means 200.

As for the movement of the bite 510, the same moving means 511 as the moving means of the molding tool 310 described above may be used. In addition, the cutting portion shape of the bite 510 may be formed in various shapes necessary according to the case in which the antenna rod 2 is expanded and the case is condensed as shown.

In order to process the edge of the end of the antenna rod 2 by the bite 510, the fixture 220 fixing the antenna rod should rotate. To this end, the body 210 on which the fixture 220 is mounted should rotate, and the body 210 can be connected to a separate drive motor 230 for the rotation of the body 210.

In detail, as shown in FIG. 4, the body 210 may be connected to the driving motor 230 by the belt 231 to rotate, and a fixture mounted to the body 210 according to the rotation of the body 210. 220 is also rotated together. In this case, the body 210 serves as a spindle in the lathe.

The movement operation of the bite 510 and the rotational operation of the body 210 so that the edge machining operation of the end of the antenna rod 2 by the bite 510 is automatically performed after completion of the forming operation by the rod forming means 300. Is controlled to be made according to a signal by a recognition means such as a sensor (not shown) for recognizing the return of the molding sphere 310 and the hitting hole 320.

Referring to the process in which the antenna rod forming apparatus 1 of the present embodiment is controlled overall operation is as follows.

When the antenna rod 2 is supplied to the guide groove 51 of the bottom part 50 by the transfer plate 420, the moving plate 110 of the rod guide means 100 operates by detecting the antenna rod 2, and the guide pin 130. The antenna rod is inserted into the conveying path 211 of the body 210 while being transported along the guide groove 51 and is continuously received into the fixture 220 while being conveyed.

When it is detected that the antenna rod has been received into the fixture 220, the fixture 220 is operated to fix the antenna rod, and according to the signal recognizing that the antenna rod is fixed by the fixture 220, the molding sphere 310 Will work and move.

In accordance with a signal recognizing that the molding tool 310 has moved to face the exposed end of the antenna rod, the blower 320 is operated to hit or press the other side of the molding tool 310.

After the hitting or pressing is performed, the hitting hole 320 and the forming tool 310 is returned to its original position, and the bite 510 is moved to process the edge of the antenna rod end in accordance with a signal recognizing whether the return. At the same time, the body 210 is rotated by the driving motor 230.

When the machining of the antenna rod end edge is completed by the bite 510, the forming work of the antenna rod is completed by returning the bite 510 to the original position.

At this time, the fixture 220 may be operated to release the fixing of the antenna rod according to a signal for recognizing the return of the byte 510, the operator may artificially eject the antenna rod when the fixing is released, the body An additional discharge device (not shown) for discharging the antenna rod may be further included inside the 210 to automatically discharge the antenna rod.

As an example of the discharge device, an example of a pull-out bar (not shown) which is mounted inside the body 210 and configured to be rotatable so as to strike one end of the antenna rod accommodated inside the fixture 220 may be presented. Various means may be presented, such as an example of an air supply means for injecting air into the conveying path 211 to cause the antenna rod to be discharged from the fixture 220.

The antenna rod forming apparatus 1 according to the present invention is not limited to the above-described embodiment, but may be variously modified in the range that the technical idea of the present invention allows.

One; An antenna rod forming apparatus 2; Antenna rod
50; Bottom 51; Home
52; Departure prevention piece 100; Road guide
110; Moving plate 111; Pneumatic / Hydraulic Cylinder
112; Cylinder rod 120; Guide rod
130; Guide pin 200; Rod fixing means
210; Body 211; Transport
212; Detection sensor 220; Fixture
230; Drive motor 231; belt
300; Rod forming means 310; Molding
311; Molded feature 312; Pneumatic / Hydraulic Cylinder
320; Blow 321; Pneumatic / Hydraulic Cylinder
400; Rod supply means 410; Hopper
411; Break 420; Transfer plate
421; Incision groove 422; Pneumatic / Hydraulic Cylinder
500; Edge processing means 510; byte
511; transportation

Claims (10)

Rod guide means for guiding in one direction while pushing the antenna rod placed on the bottom;
Rod fixing means for accommodating the antenna rod guided by the rod guide means therein and fixing or releasing the end of the antenna rod in an exposed state;
Rod forming means for expanding or extending the exposed end of the antenna rod fixed by the rod fixing means while hitting or pressing; And
And an edge processing means for processing an end edge of the antenna rod expanded or axially extended by the rod forming means.
The method according to claim 1,
The rod guide means,
A movable plate that can be reciprocated in one direction, a guide rod that is movablely coupled to the movable plate and guides the movable plate along the reciprocating direction, and an antenna fixed to the movable plate and placed in the bottom portion according to the movement of the movable plate. Antenna rod forming apparatus comprising a guide pin for guiding the rod in one direction.
The method according to claim 2,
The bottom portion is formed with a guide groove that can be guided in one direction by mounting the antenna rod,
The guide pin is an antenna rod forming apparatus, characterized in that for pushing the antenna rod seated in the guide groove along the guide groove.
The method according to claim 3,
Antenna rod forming apparatus further comprises a rod supply means for supplying the antenna rod to be seated in the guide groove.
The method of claim 4,
The rod supply means,
A plurality of antenna rods are accommodated and a hopper having a gap through which the antenna rod exits is formed; and an antenna rod interposed between the gap and the bottom portion and reciprocated in the direction of the guide groove and exiting through the gap. An antenna rod forming apparatus comprising a transfer plate for transferring to the guide groove.
The method according to claim 5,
The incision groove is formed in the transfer plate, and the antenna rod, which exits into the gap, is accommodated as the incision groove. Antenna rod forming apparatus, characterized in that seated in the groove.
The method according to claim 1,
The rod fixing means,
A body configured to receive an antenna rod guided by the rod guide means through one side of which the transfer path is formed and opened therein, and the antenna mounted on the other side of the body and in communication with the transfer path through the one side And a fixture for fixing or releasing the antenna rod so that the end of the antenna rod is exposed in the other direction while receiving the rod.
The method according to claim 1,
The rod forming means,
A molding tool which is movable to face an exposed end of the antenna rod fixed by the rod fixing means and has a molding shape formed on one side facing the end of the antenna rod, and reciprocally moves forward to strike or press the other side of the molding tool. And a blower for expanding or axially extending the end of the antenna rod by the shaping portion.
delete The method according to claim 1,
The rod fixing means,
A transfer path is formed therein to receive the antenna rod guided by the rod guide means through one of the openings therein, the body being rotatable connected to a driving motor, mounted on the other side of the body, and the transfer path through one side. And a fixture for fixing or releasing the antenna rod so that the end of the antenna rod is exposed in the other direction while receiving the antenna rod into communication with the interior.
The edge processing means,
Antenna rod forming apparatus, characterized in that comprises a movable bite toward the exposed end edge of the antenna rod fixed to the fixture.
KR1020100096087A 2010-10-01 2010-10-01 Device for forming the end of antenna rod KR101130307B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020100096087A KR101130307B1 (en) 2010-10-01 2010-10-01 Device for forming the end of antenna rod

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020100096087A KR101130307B1 (en) 2010-10-01 2010-10-01 Device for forming the end of antenna rod

Publications (1)

Publication Number Publication Date
KR101130307B1 true KR101130307B1 (en) 2012-03-26

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Application Number Title Priority Date Filing Date
KR1020100096087A KR101130307B1 (en) 2010-10-01 2010-10-01 Device for forming the end of antenna rod

Country Status (1)

Country Link
KR (1) KR101130307B1 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010106311A (en) * 2001-09-24 2001-11-29 김수인 Automatic pipe forming machine
KR20080008853A (en) * 2006-07-21 2008-01-24 권오양 Pipe expander

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010106311A (en) * 2001-09-24 2001-11-29 김수인 Automatic pipe forming machine
KR20080008853A (en) * 2006-07-21 2008-01-24 권오양 Pipe expander

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