CN107230305B - Pressure alarm device of protection rail - Google Patents
Pressure alarm device of protection rail Download PDFInfo
- Publication number
- CN107230305B CN107230305B CN201610898420.5A CN201610898420A CN107230305B CN 107230305 B CN107230305 B CN 107230305B CN 201610898420 A CN201610898420 A CN 201610898420A CN 107230305 B CN107230305 B CN 107230305B
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- plate
- protection
- switch
- base
- plates
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/02—Mechanical actuation
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fencing (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
the invention discloses a pressure alarm device for protecting a fence, which comprises a vertical column head, a base, a connecting block, a movable plate, a switch protection block, a microswitch and a spring, wherein limiting plates on the connecting block are arranged on two sides of a left side plate and a right side plate of the base, the switch protection block is connected with a switch baffle, the microswitch is arranged between two protection plates of the switch protection block, the movable plate is arranged in the base, a transverse flying wing of the movable plate is arranged in a second notch, one end of a longitudinal flying wing of the movable plate is arranged below a bend, the other end of the longitudinal flying wing is arranged below the switch baffle and a platform, the spring is arranged below the movable plate, the base and a limiting block are arranged in the vertical column head, the limiting block and the vertical column head are connected together through a second screw hole, the structure is ingenious, the device is installed in the column cap, the use is convenient, the sensitivity is high, the alarm effect is good, and the service life is long.
Description
Technical Field
The invention belongs to the technical field of fence accessories, and particularly relates to a pressure alarm device for a protective fence.
background
the rail is a semi-fixed facility, generally be used for traffic isolation places such as property, job site now, along with people's improvement of standard of living, present rail also gradually become fine and graceful generous, the style is pleasing to the eye, and not fragile, easy maintenance, long service life, still need prevent the climbing in some special occasions, the current rail of preventing the climbing generally does not use the method of top dress spine, but changes into the method of more humanized pressure warning, current pressure alarm device all sets up the top at the rail stand, the installation, it is inconvenient to maintain, alarm device's sensitivity is not high, the trouble is many, short service time.
disclosure of Invention
In order to solve the problems, the invention discloses a pressure alarm device for a protective fence, which adopts a sectional structure, can be arranged on a fence upright post in a pyramid manner, is convenient to install, has ingenious structure, high sensitivity and good alarm effect, adopts a mechanical structure and has long service life.
in order to achieve the purpose, the technical scheme of the invention is as follows:
The utility model provides a pressure alarm device of protection rail which characterized in that: comprises a vertical column head, a base, a connecting block, a movable plate, a switch protection block, a microswitch and a spring,
The upright column head is a square tube in an inverted concave shape, a first notch is formed in the rear end of the upright column head, two rows of vertical square holes are formed in the front end of the upright column head, a third notch is formed in the upper portions of two sides of the upright column head, and a sixth screw hole is formed in the lower portions of two sides of the upright column head;
The base is enclosed into a U shape, the switch baffle vertically stretches over the left side plate and the right side plate, 2-4 screw holes I are arranged on the switch baffle, a square gap II is arranged in the middle of the left side plate and the right side plate, the opening of the gap II is upward, the rear part of the gap II is flush with the front plane of the switch baffle, symmetrical bends are arranged in the upper direction of the front ends of the left side plate and the right side plate, a gap is arranged between the two bends, the upper direction of the rear ends of the left side plate and the right side plate is inwards bent to form a platform, and the heights of the lower edges of the bends, the switch baffle and the;
the connecting block comprises a limiting block and a connecting plate, a sealing plate is arranged below the limiting block, the cross sections of the sealing plate and the upright column cap are the same in shape and size, two limiting plates are vertically arranged above the sealing plate, a second screw hole is formed in each limiting plate, the connecting plate is of a U-shaped structure and is divided into a base surface and two side face plates, an opening faces the front end and is vertically arranged below the sealing plate, and a third screw hole and a through hole are formed in the connecting plate;
The movable plate is in a cross shape and comprises a central plate, two transverse flying wings extending out of the two side faces and two longitudinal flying wings extending out of the two end faces, wherein the transverse flying wings are provided with wire groove connecting holes;
The switch protection block comprises a base plate and two protection plates, wherein 2-4 screw holes IV are formed in the base plate, the positions and sizes of the screw holes I correspond to those of the screw holes IV, the two protection plates are vertically arranged on the base plate, the two protection plates are identical in size and are arranged face to face, a working area is arranged between the two protection plates, 2-4 screw holes V are formed in the protection plates, and the bottom ends of the protection plates are flush with the bottom end of the base plate;
limiting plate setting on the connecting block is in the both sides of the left and right side board of base, switch protection piece passes through screw one with the switch baffle and is connected with screw four, micro-gap switch sets up between two protection shields of switch protection piece, and micro-gap switch passes through screw five with the protection shield and is connected, micro-gap switch's switching button is downward, and the length of switching button is greater than the thickness of bending and platform, the movable plate sets up in the base, and its horizontal all-wing sets up in breach two, and its vertical all-wing one end sets up below bending, and the other end setting is below switch baffle, platform, the spring sets up in the movable plate below, base and stopper setting are in the stand head, and the stopper passes through screw two with the stand head and links together with screw six, the shrouding seals the lower plane of standing the column cap.
As an improvement of the invention, the bottom surface of the base is provided with a limiting hole.
as an improvement of the invention, a protection plate is arranged above the protection plate and is movably connected with the protection plate.
As an improvement of the invention, the protection plate is divided into a left free end, a protection layer and a right free end from left to right, the left free end and the right free end are movably connected with the upper end of the protection plate, and the protection layer covers the upper part of the working area.
as an improvement of the invention, the protective layer is of a semicircular structure, and the arc is upward.
As an improvement of the invention, the left free end and the right free end are connected with the upper end of the protection plate through pins, the pins are arranged below the left free end and the right free end, and the pin holes are arranged at the upper end of the protection plate.
As an improvement of the invention, the distance between the outer plate surfaces of the two limit plates is 2mm smaller than the width of the standing post head.
as an improvement of the invention, the distance between the outer plate surfaces of the two side plates of the connecting plate is the same as the distance between the outer plate surfaces of the two limit plates.
the invention has the beneficial effects that:
The pressure alarm device for protecting the fence adopts a sectional structure, the head of the upright post can be arranged on the upright post of the fence in a pyramid manner, and the accessory of the pressure alarm device adopts a mechanical structure, so that the pressure alarm device has the advantages of ingenious structure, installation in the upright post head, convenience in use, high sensitivity, good alarm effect and long service life.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
fig. 2 is a schematic view of a connection block according to the present invention.
fig. 3 is a schematic diagram of a switch protection block according to the present invention.
FIG. 4 is a schematic view of the moving plate of the present invention.
fig. 5 is a schematic view of a guard plate according to the present invention.
List of reference numerals:
1. The vertical column cap comprises a vertical column head, 2, a base, 3, a switch protection block, 4, a moving plate, 5, a micro switch, 6, a spring, 7, a connecting plate, 8, a square hole, 9, a first notch, 10, a wire groove connecting hole, 11, a screw hole six, 12, the front end of a left side plate and a right side plate, 13, a limiting block, 14, a switch baffle, 15, a screw hole I, 16, a platform, 17, a bend, 18, a notch II, 19, a limiting plate, 20, a screw hole II, 21, a sealing plate, 22, a through hole, 23, a base surface, 24, a side plate, 25, a screw hole III, 26, a base plate, 27, a screw hole IV, 28, a protecting plate, 29, a screw hole V, 30, a transverse flying wing, 31, a protecting plate, 32, a left free end, 33, a protecting layer, 34, a right free end, 35, a pin, 36, a pin hole, 37, a.
Detailed Description
The present invention will be further illustrated with reference to the accompanying drawings and specific embodiments, which are to be understood as merely illustrative of the invention and not as limiting the scope of the invention. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
As shown in the figure, the pressure alarm device of the protective fence comprises a column head 1, a base 2, a connecting block, a moving plate 4, a switch protection block 3, a microswitch 5 and a spring 6,
The upright column head 1 is an inverted concave square tube, a first gap 9 is formed in the rear end of the upright column head 1, two rows of vertical square holes 8 are formed in the front end of the upright column head 1, a sixth screw hole 11 is formed in the lower portion of each of two sides of the upright column head 1, and a third gap 40 is formed in the upper portion of each of two sides of the upright column head;
The base 2 is enclosed into a U shape, the switch baffle 14 vertically stretches over the left and right side plates, 2-4 screw holes I15 are arranged on the switch baffle 14, a square gap II 18 is arranged in the middle of the left and right side plates, the opening of the gap II 18 is upward, the rear part of the gap II 18 is flush with the front plane of the switch baffle 14, symmetrical bends 17 are inwards arranged above the front ends 12 of the left and right side plates, a gap is arranged between the two bends 17, the rear ends of the left and right side plates are inwards bent to form a platform 16, and the heights of the lower edges of the bends 17, the switch baffle 14 and the platform 16 are the same;
the connecting block comprises a limiting block 13 and a connecting plate 7, a sealing plate 21 is arranged below the limiting block 13, the sealing plate 21 and the upright post head 1 are identical in cross section shape and size, two limiting plates 19 are vertically arranged above the sealing plate 21, a screw hole II 20 is arranged on each limiting plate 19, the connecting plate 7 is of a U-shaped structure and is divided into a base surface 23 and two side surface plates 24, the opening faces the front end, the connecting plate 7 is vertically arranged below the sealing plate 21, and a screw hole III 25 and a through hole 22 are arranged on the connecting plate 7;
The moving plate 4 is in a cross shape and comprises a central plate 37, two lateral flying wings 30 extending out of the side faces and two longitudinal flying wings 38 extending out of the end faces, wherein the lateral flying wings 30 are provided with wire groove connecting holes 10;
The switch protection block 3 comprises a base plate 26 and two protection plates 28, wherein 2-4 screw holes four 27 are formed in the base plate 26, the first screw hole 15 corresponds to the screw holes four 27 in position and size, the two protection plates 28 are vertically arranged on the base plate 26, the two protection plates 28 are identical in size and are arranged in a face-to-face mode, a working area is arranged between the two protection plates 28, 2-4 screw holes five 29 are formed in the protection plates 28, and the bottom ends of the protection plates 28 are flush with the bottom end of the base plate 26;
the limiting plate 19 on the connecting block is arranged on two sides of the left side plate and the right side plate of the base 2, the switch protection block 3 and the switch baffle plate 14 are connected with a screw hole four 27 through a screw hole one 15, the micro switch 5 is arranged in a working area between two protection plates 28 of the switch protection block 3, the micro switch 5 is connected with the protection plates through a screw hole five 29, the opening and closing button of the micro switch 5 is downward, the length of the opening and closing button is greater than the thickness of a bending and a platform, the moving plate 4 is arranged in the base 2, the transverse flying wing 30 is arranged in the notch two 18, one end of the longitudinal flying wing 38 is arranged below the bending 17, the other end of the longitudinal flying wing is arranged below the switch baffle plate 14 and the platform 16, the spring 6 is arranged below the moving plate 4, the base 2 and the limiting block 13 are arranged in the upright post head 1, the limiting block 13 is connected with the upright post, the closing plate 21 closes the lower plane of the vertical column head 1.
the invention relates to a pressure alarm device for protecting a fence, which adopts a sectional type structure, wherein a head of a vertical column can be arranged on the vertical column of the fence in a pyramid manner, accessories of the pressure alarm device adopt a mechanical structure, a wire groove is connected with a movable plate 4, the movable plate 4 is attached to the lower surfaces of a bend 17, a switch baffle 14 and a platform 16 under the action of a spring 6 at ordinary times to press an opening and closing button of a microswitch, when a person climbs a railing, the movable plate 4 is wholly downward due to the downward pulling force to compress the spring 6, the original opening and closing button of the microswitch 5 is contacted with the movable plate 4, and the movable plate 4 is separated from the opening and closing button at present and pops out, so that a signal is transmitted to a sensor to alarm after being analyzed by a processor.
The pressure alarm device is provided with 2 layers of mechanical protection measures for the microswitch, one is that the lower surface of the bend 17 is positioned at the same height with the lower surfaces of the switch baffle 14 and the platform 16, so that impact resistance and limit of the movable plate 4 when the spring elasticity returns are ensured, and the microswitch is protected; one is that if the process can not meet the requirement and causes errors, a switch protection block 3 is provided to directly protect the switch, and the bottom surface of a protection plate 28 can be flush with the bottom surface of the switch, so that the protection of a secondary main switch (a signal source switch) is also performed.
The invention makes 2 layers of waterproof protection on the switch (signal source switch) of the pressure alarm main part, one layer is the whole fence which is a waterproof structure, the pressure alarm device is arranged in the upright post of the fence, and the micro switch is a customized waterproof switch, because the switch does not generate power supply and only provides a switch quantity, the switch is passive, thus the 2 layers of waterproof protection outdoor switch has no influence on the service life of electronic components such as the power supply, and the service life of the pressure alarm device is longer.
In order to prolong the service life of the microswitch and prevent rainwater from entering, the invention is provided with a protection plate 31 above the protection plate 28 and is movably connected with the protection plate 28, the protection plate 31 is divided into a left free end 32, a protection layer 33 and a right free end 34 from left to right, the left free end 32 and the right free end 34 are movably connected with the upper end of the protection plate 28, the protection layer 33 covers the upper part of a working area, the protection layer 33 is in a semicircular structure and is upward in an arc shape, so that accumulated water caused by rain leakage above the column head 1 can be prevented, the corrosion time can be reduced, the strength and the pressure and impact force can be increased, the left free end 32 and the right free end 34 are connected with the upper end of the protection plate 28 by using a pin 35, the pin 35 is arranged below the left free end 32 and the right free end 34, a pin hole 36 is arranged at the upper end of the protection plate 28, is not afraid of water leakage.
according to the invention, the bottom surface of the base 2 is provided with the limiting hole 39, the tail part of the spring 6 is arranged in the limiting hole 39, the spring cannot be inclined to other directions during working, the moving plate 4 is ensured to vertically move up and down, and the device can normally operate.
The distance between the outer plate surfaces of the two limiting plates 19 is 2mm smaller than the width of the upright column head 1, the distance between the outer plate surfaces of the two side plates of the connecting plate 7 is the same as the distance between the outer plate surfaces of the two limiting plates 19, and when the connecting block is placed into the upright column head 1, the connecting block is easy and free, convenient to install, convenient to overhaul and maintain, capable of improving working efficiency and long in service life.
The technical means disclosed in the invention scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features.
Claims (1)
1. The utility model provides a pressure alarm device of protection rail which characterized in that: comprises a vertical column head, a base, a connecting block, a movable plate, a switch protection block, a microswitch and a spring,
the upright column head is a square tube in an inverted concave shape, a first gap is formed in the rear end of the upright column head, two rows of vertical square holes are formed in the front end of the upright column head, and six screw holes are formed in two sides of the upright column head;
The U-shaped base is enclosed into a U shape, the switch baffle vertically stretches over the left side plate and the right side plate, 2-4 screw holes I are arranged on the switch baffle, a square notch II is arranged in the middle of the left side plate and the right side plate, the opening of the notch II is upward, the rear part of the notch II is flush with the front plane of the switch baffle, symmetrical bends are arranged in the upper direction of the front ends of the left side plate and the right side plate, a gap is arranged between the two bends, the upper direction of the rear ends of the left side plate and the right side plate is inwards bent to form a platform, the heights of the lower edges of the bends, the switch baffle and the platform are the same;
The connecting block comprises a limiting block and a connecting plate, a sealing plate is arranged below the limiting block, the cross sections of the sealing plate and the upright post head are the same in shape and size, two limiting plates are vertically arranged above the sealing plate, a second screw hole is formed in each limiting plate, the distance between the outer plate surfaces of the two limiting plates is 2mm smaller than the width of the upright post head, the connecting plate is of a U-shaped structure and is divided into a base surface and two side plate surfaces, the opening surface faces the front end and is vertically arranged below the sealing plate, a third screw hole and a through hole are formed in the connecting plate, and the distance between the outer plate surfaces of the two side plate surfaces of the connecting plate is the same;
The movable plate is in a cross shape and comprises a central plate, two transverse flying wings extending out of the two side faces and two longitudinal flying wings extending out of the two end faces, wherein the transverse flying wings are provided with wire groove connecting holes;
The switch protection block comprises a base plate and two protection plates, wherein 2-4 screw holes IV are formed in the base plate, the positions and sizes of the screw holes I correspond to those of the screw holes IV, the two protection plates are vertically arranged on the base plate, the two protection plates are identical in size and are arranged face to face, a working area is arranged between the two protection plates, 2-4 screw holes V are formed in the protection plates, the bottom ends of the protection plates are flush with the bottom end of the base plate, and protection plates are arranged above the protection plates and movably connected with the protection plates;
the limiting plates on the connecting blocks are arranged on two sides of a left side plate and a right side plate of the base, the switch protection block and the switch baffle are connected with a screw hole IV through a screw hole I, the micro switch is arranged between the two protection plates of the switch protection block and connected with the protection plates through a screw hole V, the opening and closing button of the micro switch faces downwards, the length of the opening and closing button is larger than the thickness of a bend and the thickness of a platform, the moving plate is arranged in the base, a transverse flying wing of the moving plate is arranged in a notch II, one end of a longitudinal flying wing of the moving plate is arranged below the bend, the other end of the longitudinal flying wing of the moving plate is arranged below the switch baffle and the platform, the spring is arranged below the moving plate, the base and the limiting blocks are arranged in an upright post head, the limiting blocks and the upright post;
The protection plate is divided into a left free end, a protection layer and a right free end from left to right, the left free end and the right free end are movably connected with the upper end of the protection plate, and the protection layer covers the upper part of the working area;
The left free end and the right free end are connected with the upper end of the protection plate through pins, the pins are arranged below the left free end and the right free end, and the pin holes are formed in the upper end of the protection plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610898420.5A CN107230305B (en) | 2015-04-13 | 2015-04-13 | Pressure alarm device of protection rail |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510170869.5A CN104763221B (en) | 2015-04-13 | 2015-04-13 | A kind of pressure warning unit of protective fence |
| CN201610898420.5A CN107230305B (en) | 2015-04-13 | 2015-04-13 | Pressure alarm device of protection rail |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510170869.5A Division CN104763221B (en) | 2015-04-13 | 2015-04-13 | A kind of pressure warning unit of protective fence |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107230305A CN107230305A (en) | 2017-10-03 |
| CN107230305B true CN107230305B (en) | 2019-12-17 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510170869.5A Active CN104763221B (en) | 2015-04-13 | 2015-04-13 | A kind of pressure warning unit of protective fence |
| CN201610898420.5A Active CN107230305B (en) | 2015-04-13 | 2015-04-13 | Pressure alarm device of protection rail |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510170869.5A Active CN104763221B (en) | 2015-04-13 | 2015-04-13 | A kind of pressure warning unit of protective fence |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN104763221B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763221B (en) * | 2015-04-13 | 2016-11-30 | 张家港固耐特围栏系统有限公司 | A kind of pressure warning unit of protective fence |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006005926A1 (en) * | 2004-07-09 | 2006-01-19 | Compound Security Systems Limited | Security system for a boundary |
| CN201280833Y (en) * | 2008-09-28 | 2009-07-29 | 江阴市创杰科技有限公司 | Jog contacting alarming type enclosure unit |
| CN201428272Y (en) * | 2009-03-20 | 2010-03-24 | 江阴市创杰科技有限公司 | Novel mechanical trigger-type alarming fence unit |
| CN104234506A (en) * | 2014-09-18 | 2014-12-24 | 张家港固耐特围栏系统有限公司 | Limiting clip for pressure alarm device |
| CN104240421A (en) * | 2014-09-18 | 2014-12-24 | 张家港固耐特围栏系统有限公司 | Trigger type pressure warning device of fence |
| CN204189258U (en) * | 2014-09-18 | 2015-03-04 | 张家港固耐特围栏系统有限公司 | A kind of trigger-type pressure warning unit |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2310362Y (en) * | 1997-08-28 | 1999-03-10 | 陈少宏 | Improved holding frame for Manbo drum |
| JP4120462B2 (en) * | 2003-05-12 | 2008-07-16 | 松下電工株式会社 | Intrusion detection device |
| CN2791172Y (en) * | 2005-03-03 | 2006-06-28 | 蔡学权 | Periphery protecting net stress sensing rack |
| CN2835512Y (en) * | 2005-09-29 | 2006-11-08 | 孙新红 | Automatic alarming theftproof guard rail |
| CN100573608C (en) * | 2005-12-28 | 2009-12-23 | 深圳市凯利翔安全技术有限公司 | A kind of touch type audible and visible alarm fence |
| FR2962836B1 (en) * | 2010-07-19 | 2012-07-20 | Eryma Security Systems | INTRUSION DETECTION DEVICE |
| IL207723A0 (en) * | 2010-08-19 | 2011-04-28 | Magal Security Systems Ltd | A sensor for taut wire fences |
| CN102535948B (en) * | 2011-12-20 | 2014-04-09 | 张朝峰 | Manufacturing method of anti-climb alarm isolation fence |
| CN204590774U (en) * | 2015-04-13 | 2015-08-26 | 张家港固耐特围栏系统有限公司 | A kind of pressure warning unit of protective fence |
| CN104763221B (en) * | 2015-04-13 | 2016-11-30 | 张家港固耐特围栏系统有限公司 | A kind of pressure warning unit of protective fence |
-
2015
- 2015-04-13 CN CN201510170869.5A patent/CN104763221B/en active Active
- 2015-04-13 CN CN201610898420.5A patent/CN107230305B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006005926A1 (en) * | 2004-07-09 | 2006-01-19 | Compound Security Systems Limited | Security system for a boundary |
| CN201280833Y (en) * | 2008-09-28 | 2009-07-29 | 江阴市创杰科技有限公司 | Jog contacting alarming type enclosure unit |
| CN201428272Y (en) * | 2009-03-20 | 2010-03-24 | 江阴市创杰科技有限公司 | Novel mechanical trigger-type alarming fence unit |
| CN104234506A (en) * | 2014-09-18 | 2014-12-24 | 张家港固耐特围栏系统有限公司 | Limiting clip for pressure alarm device |
| CN104240421A (en) * | 2014-09-18 | 2014-12-24 | 张家港固耐特围栏系统有限公司 | Trigger type pressure warning device of fence |
| CN204189258U (en) * | 2014-09-18 | 2015-03-04 | 张家港固耐特围栏系统有限公司 | A kind of trigger-type pressure warning unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104763221B (en) | 2016-11-30 |
| CN104763221A (en) | 2015-07-08 |
| CN107230305A (en) | 2017-10-03 |
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| PB01 | Publication | ||
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| CB02 | Change of applicant information |
Address after: Zhangjiagang Economic Development Zone, Suzhou City, Jiangsu province 215618 city (District) Xinjing Road No. 10-1 gunaite company Applicant after: Jiangsu gunaite fence system Limited by Share Ltd Address before: Zhangjiagang Economic Development Zone, Suzhou City, Jiangsu province 215618 city (District) Xinjing Road No. 10-1 gunaite company Applicant before: Zhangjiagang Gunaite Fence System Co., Ltd. |
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| SE01 | Entry into force of request for substantive examination | ||
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| GR01 | Patent grant |