[go: up one dir, main page]

KR100904314B1 - Automatic closing valve for tank lorry - Google Patents

Automatic closing valve for tank lorry Download PDF

Info

Publication number
KR100904314B1
KR100904314B1 KR1020070113707A KR20070113707A KR100904314B1 KR 100904314 B1 KR100904314 B1 KR 100904314B1 KR 1020070113707 A KR1020070113707 A KR 1020070113707A KR 20070113707 A KR20070113707 A KR 20070113707A KR 100904314 B1 KR100904314 B1 KR 100904314B1
Authority
KR
South Korea
Prior art keywords
valve
automatic closing
closing valve
storage tank
tank
Prior art date
Application number
KR1020070113707A
Other languages
Korean (ko)
Other versions
KR20090047719A (en
Inventor
최영수
Original Assignee
최영수
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 최영수 filed Critical 최영수
Priority to KR1020070113707A priority Critical patent/KR100904314B1/en
Publication of KR20090047719A publication Critical patent/KR20090047719A/en
Application granted granted Critical
Publication of KR100904314B1 publication Critical patent/KR100904314B1/en

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
    • B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
    • B60P3/22—Tank vehicles
    • B60P3/224—Tank vehicles comprising auxiliary devices, e.g. for unloading or level indicating
    • B60P3/225—Adaptations for pumps or valves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/10—Road Vehicles
    • B60Y2200/14—Trucks; Load vehicles, Busses
    • B60Y2200/146—Silo or fluid transporting vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2410/00—Constructional features of vehicle sub-units
    • B60Y2410/13—Materials or fluids with special properties
    • B60Y2410/134—Rheological, magneto- or electro- fluids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers for dispensing liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant
    • B65D83/44—Valves specially adapted for the discharge of contents; Regulating devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D88/00—Large containers
    • B65D88/02—Large containers rigid
    • B65D88/12—Large containers rigid specially adapted for transport
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/54—Gates or closures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/006—Safety valves; Equalising valves, e.g. pressure relief valves specially adapted for shelters

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Loading And Unloading Of Fuel Tanks Or Ships (AREA)
  • Fluid-Driven Valves (AREA)

Abstract

본 발명은 탱크로리에 탑재된 저장탱크(1)의 최대용량까지 적재물이 주입될 경우 자동으로 급유밸브가 차단되도록 하는 탱크로리용 자동폐쇄밸브에 관한 것으로, 밸브스템(20)의 작동에 따라 유입된 압축공기의 흐름을 단속하는 자동폐쇄밸브의 몸체(10)를 형성하되 상기 밸브스템(20)의 하단에는 자석(25)을 체결하고, 저장탱크(1) 상측의 설치공(5)에 부착하는 차단판(30)을 형성하되 상기 차단판(30)에는 상기 자석(25)을 수용하는 공간부(33)를 형성함과 아울러 상기 공간부(33)에는 자동폐쇄밸브 몸체(10)의 하단을 체결하며, 상기 차단판(30)의 저면에 가이드관(40)을 부착하여 그 내부에 공기통(50)을 삽입하되 상기 자석(25)에 대하여 척력(斥力)을 갖는 다른 자석(55)을 공기통(50)의 상측면에 부착함으로써, 적재물의 최대용량 주입시 공기통(55)의 부력이 한 쌍의 자석(25)(55) 사이에 작용하는 척력(斥力)에 의하여 자동폐쇄밸브의 몸체(10)로 전달됨에 따라 상기 자동폐쇄밸브를 저장탱크(1)의 내부공간으로부터 완전히 차단하여 설치할 수 있고, 그에 따라 유류 및 화공약품에 의하여 자동폐쇄밸브가 부식되거나 열화(劣化)되지 않는 탱크로리용 자동폐쇄밸브에 관한 것이다.The present invention relates to an automatic closing valve for a tank lorry to automatically shut off the oil supply valve when a load is injected up to the maximum capacity of the storage tank (1) mounted on the tank lorry. The compression flows in accordance with the operation of the valve stem (20). A body 10 of an automatic closing valve for controlling the flow of air is formed, but the magnet 25 is fastened to the lower end of the valve stem 20, and the blocking is attached to the installation hole 5 above the storage tank 1. The plate 30 is formed, but the blocking plate 30 is formed with a space 33 for accommodating the magnet 25 and the space 33 is fastened to the lower end of the automatic closing valve body 10. In addition, the guide tube 40 is attached to the bottom surface of the blocking plate 30 to insert the air cylinder 50 therein, and the other magnet 55 having a repulsive force with respect to the magnet 25 is connected to the air cylinder ( By attaching to the upper side of 50), the buoyancy of the air cylinder 55 during the As the automatic closing valve is transferred to the body 10 of the automatic closing valve by the repulsive force acting between the magnets 25 and 55, the automatic closing valve can be completely installed from the internal space of the storage tank 1, Accordingly, the present invention relates to an automatic closing valve for a tank lorry in which the automatic closing valve is not corroded or degraded by oil and chemicals.

탱크로리, 운반, 운송, 저장탱크, 밸브, 자동폐쇄 Tank lorry, transport, transportation, storage tank, valve, automatic closing

Description

탱크로리용 자동폐쇄밸브{SELF CLOSING VALVE OF TANK LORRY}Automatic closing valve for tank lorry {SELF CLOSING VALVE OF TANK LORRY}

본 발명은 유류 또는 화공약품 등의 액체 적재물을 운반하는 탱크로리에 있어 상기 탱크로리에 탑재된 저장탱크의 최대용량까지 적재물이 주입될 경우 자동으로 급유밸브가 차단되도록 하는 자동폐쇄밸브에 관한 것으로, 특히 저장탱크의 내부에 공기통을 형성하여 적재물이 최대용량에 도달하면 상기 공기통의 부력에 의하여 압축공기의 흐름을 단속하도록 한 자동폐쇄밸브를 형성하되, 상기 자동폐쇄밸브가 저장탱크의 내부에 대하여 완전히 차단된 상태에서 자력에 의하여 공기통의 부력이 자동폐쇄밸브로 전달되도록 함으로써, 유류 또는 화공약품과 같은 적재물 의한 자동폐쇄밸브의 부식 및 열화(劣化)를 방지할 수 있는 탱크로리용 자동폐쇄밸브에 관한 것이다.The present invention relates to an automatic closing valve that automatically shuts off the oil supply valve when a load is injected to a maximum capacity of a storage tank mounted on the tank lorry in a tank lorry carrying liquid loads such as oil or chemicals, and particularly, storage. When the load reaches the maximum capacity by forming a reservoir inside the tank to form an automatic closing valve to regulate the flow of compressed air by the buoyancy of the reservoir, the automatic closing valve is completely blocked with respect to the interior of the storage tank The present invention relates to an automatic shutoff valve for a tank lorry that can prevent corrosion and deterioration of an automatic shutoff valve by a load such as oil or a chemical by transmitting buoyancy of the reservoir by a magnetic force in a state.

일반적으로 유류 및 화공약품과 같은 액체 적재물을 운반하는 탱크로리의 경우, 탱크로리에 탑재된 저장탱크의 바닥면에 형성한 급유밸브를 통하여 적재물을 공급하는데, 이때 상기 저장탱크의 상측에 형성한 맨홀덮개를 열고 적재물의 공급과정을 육안으로 확인하면서 적재물을 공급함에 따라 그 작업이 불편하였음은 물론 이고, 유류와 같은 인화성 물질을 적재할 경우 폭발 및 화재의 위험성이 있을 뿐만 아니라, 유독성 화공약품의 경우에는 기화된 화공약품이 대기로 방출되어 환경오염을 유발함과 아울러 작업자가 유독성 물질에 노출되는 문제점이 있었다.In general, in the case of tank lorry carrying liquid loads such as oil and chemicals, the load is supplied through a lubrication valve formed on the bottom surface of the storage tank mounted on the tank lorry. At this time, the manhole cover formed on the upper side of the storage tank is supplied. Opening and confirming the loading process with the naked eye, it is inconvenient to supply the load, and there is a risk of explosion and fire when loading flammable substances such as oil, and in case of toxic chemicals, The chemicals are released into the atmosphere, causing environmental pollution, as well as the workers exposed to toxic substances.

한편, 상기와 같은 일반적인 탱크로리의 문제점을 해결하기 위하여 노상(路上)에서 적재물의 공급을 제어할 수 있도록 저장탱크의 최대 적재량까지 적재물이 공급되었을 경우 급유밸브가 자동으로 폐쇄되도록 한 '탱크로리용 밸브제어장치'에 관한 발명이 대한민국 등록특허공보 제10-0716492호(2007.05.10. 공고)로 제안된바, 상기 종래 제안된 발명의 구성을 하기에서 도 1 및 도 2를 참고하여 살펴본다.On the other hand, in order to solve the problems of the conventional tank lorry, the tank valve control to automatically close the oil supply valve when the load is supplied up to the maximum load of the storage tank to control the supply of the load on the roadbed (路 上) The invention related to the 'device' is proposed in Republic of Korea Patent Publication No. 10-0716492 (2007.05.10. Announcement), the configuration of the conventionally proposed invention will be described with reference to Figures 1 and 2 below.

상기의 종래 탱크로리용 밸브제어장치는, 탱크로리에 구비된 압축공기통(200)의 공기압력을 제어하여 저장탱크(100)의 바닥면에 설치한 급유밸브(101)를 개폐하는 다수의 제어밸브(110)(120)(130) 및 셔틀밸브(140)와 자동폐쇄밸브(150)를 공압회로로 연결한 것으로, 급유밸브(101)에 압축공기를 급기 또는 배기하여 급유밸브(101)가 개폐되도록 하는 제1제어밸브(110)와, 한 쌍의 유입구 중에서 어느 한쪽으로부터 유입된 압축공기를 단일 유출구를 통하여 배출하여 상기 제1제어밸브(110)를 작동케 하는 셔틀밸브(140)와, 상기 셔틀밸브(140)의 일측 유입구에 압축공기를 급배기하여 제1제어밸브(110)를 작동케 하는 제2제어밸브(120)와, 저장탱크(100)의 상부에 설치된 자동폐쇄밸브(150)에 압축공기를 급배기하는 제3제어밸브(130)와, 적재물에 대하여 부력을 갖는 공기통(180)의 작동에 따라 상기 제3제어 밸브(130)로부터 유입된 압축공기를 상기 셔틀밸브(140)의 타측 유입구로 유출하여 제1제어밸브(110)를 작동케 하는 자동폐쇄밸브(150)의 구성을 포함한다.The conventional valve controller for tank lorry, a plurality of control valve 110 to control the air pressure of the compressed air cylinder 200 provided in the tank lorry to open and close the oil supply valve 101 installed on the bottom surface of the storage tank 100 120, 130 and shuttle valve 140 and the automatic closing valve 150 is connected to the pneumatic circuit, to supply or exhaust the compressed air to the oil supply valve 101 so that the oil supply valve 101 is opened and closed A first control valve 110 and a shuttle valve 140 for operating the first control valve 110 by discharging the compressed air introduced from one of the pair of inlets through a single outlet, and the shuttle valve Compressed air to one side of the inlet of the compressed air to the second control valve 120 to operate the first control valve 110, the compressed air to the automatic closing valve 150 installed on the upper portion of the storage tank (100). Third control valve 130 for supplying and exhausting air, and air reservoir 180 having buoyancy against the load It includes a configuration of the automatic closing valve 150 for operating the first control valve 110 by flowing the compressed air introduced from the third control valve 130 to the other inlet of the shuttle valve 140 in accordance with the operation do.

그리고 상기 급유밸브(101)는 도 1의 도시와 같이 제1제어밸브(110)로부터 일측 포트로 압축공기가 공급되면 개방되고, 도 2의 도시와 같이 공급된 압축공기가 배기되면 압축스프링의 작동에 의하여 급유밸브(101)가 폐쇄되며, 한편으론 급유밸브(101)의 타측 포트로 압축공기가 유입되도록 하여 폐쇄상태를 유지할 수 있는바, 상기의 급유밸브(101) 및 각 제어밸브(110)(120)(130)는 메인밸브(102)를 거쳐 압축공기통(200)의 압축공기가 공급되도록 한다. 도면 중 미설명 부호는 각 제어밸브(110)(120)(130) 및 메인밸브(102)에 형성된 공급라인(P)과 배기라인(R)(R1)(R2) 및 작업라인(A)(B)이다.The oil supply valve 101 is opened when compressed air is supplied from the first control valve 110 to one port as shown in FIG. 1, and the compressed spring is operated when the compressed air supplied as shown in FIG. 2 is exhausted. The oil supply valve 101 is closed by the bar, and on the other hand, the compressed air flows into the other port of the oil supply valve 101 to maintain the closed state. The oil supply valve 101 and the respective control valve 110 are maintained. 120 and 130 allow the compressed air of the compressed air cylinder 200 to be supplied through the main valve 102. In the drawings, reference numerals denote supply lines P and exhaust lines R, R1, R2, and work lines A, which are formed in the control valves 110, 120, 130, and the main valve 102, respectively. B).

한편, 상기와 같은 밸브제어장치에 있어 자동폐쇄밸브(150)의 구성을 도 3 및 도 4를 참조하여 더욱 상세히 살펴보면, 압축공기가 유입되는 흡기구(151) 및 상기 흡기구(151)로부터 유입된 압축공기를 유출하는 배기구(152)를 형성하되, 상기 흡기구(151)와 배기구(152) 사이를 연통하는 자동폐쇄밸브(150)의 몸체 내부에는 밸브시트(153)를 형성함과 아울러 상기 밸브시트(153)의 하측에는 외부로 수직으로 관통하는 가이드홀(154)을 형성하고, 상기 밸브시트(153)를 개폐하는 밸브디스크(161)를 일체로 형성한 밸브스템(160)을 상기 가이드홀(154)에 상하 작동하도록 삽입하되, 상기 가이드홀(154)의 내주면에 패킹(155)을 형성하여 밸브스템(160) 과 가이드홀(154) 사이의 틈새로 압축공기가 유출되지 않도록 하며, 상기 밸브스템(160)의 하단에는 승강밀대(162)를 형성한다.On the other hand, in the valve control device as described above in more detail with reference to the configuration of the automatic closing valve 150 with reference to Figures 3 and 4, the inlet 151 through which the compressed air is introduced and the compression introduced from the inlet 151 An exhaust port 152 is formed to discharge air, and a valve seat 153 is formed inside the body of the automatic closing valve 150 communicating between the inlet port 151 and the exhaust port 152. The guide hole 154 has a valve stem 160 formed with a guide hole 154 vertically penetrating to the outside of the 153 and integrally formed with a valve disc 161 for opening and closing the valve seat 153. Inserted so as to operate up and down, the packing 155 is formed on the inner circumferential surface of the guide hole 154 so that the compressed air does not flow into the gap between the valve stem 160 and the guide hole 154, the valve stem The lifting rod 162 is formed at the lower end of the 160.

그리고 상기 자동폐쇄밸브(150)의 몸체 하단에는 가이드관(170)을 부착하여 저장탱크(100)의 상부를 관통하도록 하되, 상기 가이드관(170)의 내부에는 저장탱크(100)에 적재물이 최대 적재량까지 공급될 경우 상기 적재물에 침수되어 부력을 갖는 공기통(180)을 구비함으로써, 저장탱크(100)의 최대 적재량까지 적재물을 공급하면 부력에 의하여 공기통(180)이 승강밀대(162)를 상승시켜 자동폐쇄밸브(150)를 개방하고, 상기와 같이 자동폐쇄밸브(150)가 개방되면 도 2의 도시와 같이 자동폐쇄밸브(150)에서 배출되는 압축공기가 셔틀밸브(140)를 거쳐 제1제어밸브(110)로 유입되며, 그에 따라 상기 제1제어밸브(110)의 절환작동에 의하여 급유밸브(101)가 폐쇄되어 적재작업을 자동으로 종료할 수 있다.And a guide tube 170 is attached to the lower end of the body of the automatic closing valve 150 to penetrate the upper portion of the storage tank 100, the load inside the storage tank 100 is the maximum inside the guide tube 170 When supplied to the loading amount is provided with a reservoir 180 having a buoyancy buried in the load, when supplying the load up to the maximum loading amount of the storage tank 100 by raising the reservoir 180 by the buoyancy to raise the lifting rod 162 When the automatic closing valve 150 is opened and the automatic closing valve 150 is opened as described above, the compressed air discharged from the automatic closing valve 150 is controlled through the shuttle valve 140 as illustrated in FIG. 2. Flowing into the valve 110, the oil supply valve 101 is closed by the switching operation of the first control valve 110 it is possible to automatically terminate the loading operation.

그러나, 상기의 종래 자동폐쇄밸브(150)에 의하면, 가이드홀(154)의 내주면에 고무와 같은 연질의 패킹(155)을 형성하여 자동폐쇄밸브(150) 내부의 기밀(氣密)을 유지하였으나, 상기 패킹(155)이 저장탱크(100) 내부에 공급된 유류 또는 화공약품이나 그 증기(蒸氣)에 직간접적으로 노출되어 부식 또는 열화(劣化) 함으로써 자동폐쇄밸브의 기능을 상실하는 문제점이 있었다.However, according to the conventional automatic closing valve 150, a soft packing 155 such as rubber is formed on the inner circumferential surface of the guide hole 154 to maintain the airtight inside the automatic closing valve 150. In addition, the packing 155 is directly or indirectly exposed to oil or chemicals supplied to the storage tank 100 or its vapors, thereby causing corrosion or deterioration, thereby losing the function of the automatic closing valve. .

본 발명은 탱크로리용 밸브제어장치에 있어 유류 및 화공약품과 같은 적재물에 의하여 저장탱크에 설치한 자동폐쇄밸브의 패킹이 부식하거나 열화 하지 않도록 상기 자동폐쇄밸브를 저장탱크의 내부공간으로부터 완전히 차단된 공간에 설치하되, 저장탱크의 최대용량까지 적재물이 공급되었을 경우 저장탱크의 내부공간으로부터 자동폐쇄밸브로 전달되어야 하는 공기통의 부력은 자력에 의하여 전달되도록 한 탱크로리용 자동폐쇄밸브를 구성하는 데 그 목적이 있다.The present invention is a valve control device for a tank lorry space is completely blocked from the internal space of the storage tank so that the packing of the automatic closing valve installed in the storage tank by the load, such as oil and chemicals does not corrode or deteriorate It is installed in the tank, but when the load is supplied to the maximum capacity of the storage tank, the buoyancy force of the reservoir which should be transferred from the internal space of the storage tank to the automatic closing valve is designed to make the automatic closing valve for the tank lorry. have.

상기와 같은 목적을 달성하기 위한 본 발명에 따른 탱크로리용 자동폐쇄밸브는, 탱크로리에 탑재된 저장탱크의 최대용량까지 적재물이 주입되면 압축공기의 흐름을 제어하여 저장탱크에 형성한 급유밸브를 폐쇄하도록 하는 탱크로리용 자동폐쇄밸브에 있어서, 밸브스템의 상하 작동에 따라 유입된 압축공기의 흐름을 단속하되 하부로 연장한 밸브스템의 종단에 자석을 체결한 자동폐쇄밸브의 몸체와, 저장탱크의 상측에 형성한 설치공에 부착하되 상기 자석을 수용하는 공간부를 형성하여 상기 몸체의 하단을 상기 공간부의 상단에 체결하는 차단판과, 상기 차단판의 저면에 부착한 가이드관의 내부에 상하 유동하도록 삽입하되 상기 자석에 대하여 척력(斥力)을 갖는 다른 자석을 상측면에 부착한 공기통을 형성함으로써, 상기 저장탱크의 최대용량까지 적재물이 주입될 경우 공기통의 부력이 한 쌍의 자석에 작용하 는 척력(斥力)에 의하여 자동폐쇄밸브로 전달되도록 함을 특징으로 한다.Automatic closing valve for tank lorry according to the present invention for achieving the above object, to control the flow of compressed air when the load is injected to the maximum capacity of the storage tank mounted in the tank lorry to close the oil supply valve formed in the storage tank An automatic shutoff valve for a tank lorry, the automatic closing valve body of which a magnet is coupled to an end of a valve stem extending downward while intermittently flowing a flow of compressed air according to the up and down operation of the valve stem, and above the storage tank. It is attached to the formed installation hole, but forms a space for accommodating the magnet to insert the bottom of the body to the upper and lower ends of the blocking plate and the guide tube attached to the bottom surface of the blocking plate inserted into the vertical flow. The maximum capacity of the storage tank is formed by forming an air cylinder in which another magnet having repulsive force with respect to the magnet is attached to the upper side. If the load is not to be injected acting on the pair of magnetic buoyancy of the air passage it is characterized in that the self-closing valve to be delivered to by the repulsive force (斥力).

상기한 바와 같이 구성한 본 발명에 따른 탱크로리용 자동폐쇄밸브에 의하면, 탱크로리에 탑재된 저장탱크의 최대용량까지 적재물이 주입될 경우 상기 공기통의 부력이 한 쌍의 대항하는 자석에 작용하는 척력(斥力)에 의하여 자동폐쇄밸브로 전달됨으로써, 자동폐쇄밸브를 저장탱크의 내부공간으로부터 완전히 차단된 공간에 설치할 수 있음에 따라, 결과적으로 유류 및 화공약품과 같은 적재물에 의하여 자동폐쇄밸브 내부의 패킹이 부식되거나 열화되지 않는 효과가 있다.According to the automatic shutoff valve for tank lorry according to the present invention configured as described above, when the load is injected up to the maximum capacity of the storage tank mounted on the tank lorry, the buoyancy force of the air cylinder acts on the pair of opposing magnets As a result of the transfer to the automatic closing valve, the automatic closing valve can be installed in a space completely isolated from the internal space of the storage tank, resulting in corrosion of the packing in the automatic closing valve by loads such as oil and chemicals. It does not deteriorate.

이하 본 발명에 따른 탱크로리용 자동폐쇄밸브의 바람직한 실시예의 구성을 도 5 및 도 6을 참조하여 상세히 살펴본다.Hereinafter, a configuration of a preferred embodiment of an automatic shutoff valve for a tank lorry according to the present invention will be described in detail with reference to FIGS. 5 and 6.

본 발명의 일 실시예에 따른 탱크로리용 자동폐쇄밸브는, 자석(25)이 체결된 밸브스템(20)의 작동에 따라 유입된 압축공기의 흐름을 단속하는 자동폐쇄밸브의 몸체(10)와, 상기 자동폐쇄밸브의 몸체(10)를 상측에 체결하여 저장탱크(1) 상측에 형성한 설치공(5)에 부착하는 차단판(30)과, 상기 차단판(30)의 저면에 부착한 가이드관(40)에 삽입하되 상기 자석(25)에 대하여 척력(斥力)을 갖는 다른 자석(55)을 상측면에 부착한 공기통(50)으로 구분되는바, 상기 각 구성에 대하여 하기에서 상세히 살펴본다.Automatic closing valve for tank lorry according to an embodiment of the present invention, the body 10 of the automatic closing valve for regulating the flow of the compressed air introduced in accordance with the operation of the valve stem 20, the magnet 25 is fastened, A blocking plate 30 attached to the installation hole 5 formed above the storage tank 1 by fastening the body 10 of the automatic closing valve to the upper side, and a guide attached to the bottom surface of the blocking plate 30. Inserted into the tube 40, but divided into the air cylinder 50 attached to the upper side of the other magnet 55 having a repulsive force with respect to the magnet 25, will be described in detail below for each configuration .

우선 자동폐쇄밸브 몸체(10)의 구성을 살펴보면, 자동폐쇄밸브 몸체(10)의 외주면에는 외부로부터 압축공기를 유입 받는 흡기구(11)를 형성함과 아울러 탱크로리에 탑재된 저장탱크(1)의 최대용량까지 적재물이 유입될 경우 상기 저장탱크(1)에 설치된 급유밸브(미도시)를 폐쇄할 수 있도록 압축공기를 방출하는 배기구(12)를 형성하고, 상기 흡기구(11)와 배기구(12)를 연통하는 자동폐쇄밸브의 몸체(10) 내부공간에는 밸브시트(13)를 형성하며, 상기 밸브시트(13)의 하측으로는 수직으로 관통하는 가이드홀(14)을 형성하되 상기 가이드홀(14)의 내주면에 패킹(15)을 형성한다.First, referring to the configuration of the automatic closing valve body 10, the outer peripheral surface of the automatic closing valve body 10 is formed with an inlet 11 for receiving compressed air from the outside and the maximum of the storage tank (1) mounted on the tank lorry When the load flows up to the capacity, the exhaust port 12 is formed to discharge the compressed air so as to close the oil supply valve (not shown) installed in the storage tank 1, and the intake port 11 and the exhaust port 12 A valve seat 13 is formed in the inner space of the body 10 of the automatic closing valve communicating with each other, and a guide hole 14 vertically penetrates downward from the valve seat 13, but the guide hole 14 is formed. The packing 15 is formed on the inner circumferential surface thereof.

그리고 상기 밸브시트(13)를 개폐하는 밸브디스크(21)를 상측에 일체로 형성한 밸브스템(20)을 상기 가이드홀(14)에 상하 작동하도록 삽입하되, 상기 밸브스템(20)의 하단은 자동폐쇄밸브 몸체(10)의 하부를 관통하여 외부로 연장하여 형성하고, 상기 외부로 연장된 밸브스템(20)의 종단에는 자석(25)을 체결하는바, 상기 자석(25)은 원형의 링 형상으로 형성하여 밸브스템(20)의 종단에 억지끼움 할 수도 있으나 나사체결 하여 상기 자석(25)의 위치를 조절할 수 있도록 함이 바람직하다.And the valve stem 20 which is integrally formed with the valve disk 21 for opening and closing the valve seat 13 is inserted into the guide hole 14 to operate up and down, the lower end of the valve stem 20 It is formed by extending through the lower portion of the automatic closing valve body 10 to the outside, and the magnet 25 is fastened to the end of the valve stem 20 extending to the outside, the magnet 25 is a circular ring It may be formed in a shape may be fitted to the end of the valve stem 20, but it is preferable to be able to adjust the position of the magnet 25 by screwing.

한편, 상기와 같이 구성한 자동폐쇄밸브 몸체(10)의 부가적 구성으로서, 밸브디스크(21)에 작용하는 압축공기의 힘을 줄여 밸브스템(20)의 작은 상승력에도 밸브시트(13)가 개방될 수 있도록 상기 자동폐쇄밸브 몸체(10)의 상부에 밸브디스크(21)보다 작은 직경을 갖는 통공(16)을 형성함과 아울러 상기 밸브디스크(21)의 상측에는 상기 통공(16)에 기밀이 유지되도록 삽입되는 삽입부(23)를 연장하여 형성함이 바람직하다. 또한, 상기 외부로 개방된 통공(16)의 종단으로 이물질이 유입되지 않도록 자동폐쇄밸브 몸체(10)의 외주면 상단에 통기홈(17)을 형성한 후 캡(18)을 체결함이 바람직하다.On the other hand, as an additional configuration of the automatic closing valve body 10 configured as described above, by reducing the force of the compressed air acting on the valve disc 21, the valve seat 13 can be opened even at a small lifting force of the valve stem 20. The through-hole 16 having a smaller diameter than the valve disc 21 is formed on the top of the automatic closing valve body 10 so that the airtightness is maintained in the through-hole 16 above the valve disc 21. It is preferable that the insertion part 23 is inserted to extend. In addition, it is preferable to fasten the cap 18 after the vent groove 17 is formed on the upper end of the outer circumferential surface of the automatic closing valve body 10 so that foreign matter does not flow into the end of the through-hole 16 opened to the outside.

이하 차단판(30)의 구성을 상세히 살펴보면, 차단판(30)의 상단 외주면에는 바깥측으로 연장된 부착판(31)을 형성하여 저장탱크(1)에 형성한 설치공(5)의 주변에 용접 등의 방법으로 차단판(30)을 견고히 부착할 수 있도록 하고, 차단판(30)의 중앙부분에는 하향으로 돌출된 돌출부(32)를 형성하되 상기 돌출부(32)의 내부는 상기 밸브스템(20)의 종단에 체결한 자석(25)이 수용될 수 있도록 상측이 개방된 공간부(33)를 형성하며, 상기 공간부(33)의 내주면 상단에는 자동폐쇄밸브 몸체(10)의 하단을 체결하는바, 상기 몸체(10)와 차단판(30)은 나사체결 하는 것이 바람직하다.Looking in detail below the configuration of the blocking plate 30, the outer peripheral surface of the upper end of the blocking plate 30 to form an attachment plate 31 extending outwardly welded around the installation hole (5) formed in the storage tank (1) It is possible to firmly attach the blocking plate 30 by a method such as, and to form a protrusion 32 protruding downward in the central portion of the blocking plate 30, the inside of the protrusion 32 is the valve stem 20 The upper side of the space portion 33 is formed so that the magnet 25 fastened to the end of the) is formed, and the upper end of the inner peripheral surface of the space portion 33 to fasten the lower end of the automatic closing valve body 10 Bar, the body 10 and the blocking plate 30 is preferably screwed.

한편, 상기와 같이 구성한 차단판(30)의 재질 및 차단판(30)의 두께는 차단판(30)의 두께방향에서 공업용 영구자석의 자력이 상호 작용할 수 있는 재질 및 두께로 형성한다.On the other hand, the material of the blocking plate 30 and the thickness of the blocking plate 30 configured as described above is formed of a material and the thickness of the magnetic force of the industrial permanent magnet in the thickness direction of the blocking plate 30 can interact.

그리고 공기통(50)의 구성을 하기에서 상세히 살펴보면, 상기 차단판(30)에 형성된 돌출부(32)의 외부면에 통수구(45)가 형성된 가이드관(40)을 체결하고, 상기 가이드관(40)의 내부에는 공기통(50)을 상하 유동할 수 있도록 삽입하되, 상기 공기통(50)의 상측면에는 상기 밸브스템(20)의 종단에 체결한 자석(25)에 대하여 대항면의 극성이 같은 다른 자석(55)을 부착함으로써, 부력에 의하여 공기통(50)이 상승할 경우 상기 공기통(50)에 부착한 자석(55)과 밸브스템(20)에 형성한 자석(25) 사이의 척력(斥力)에 의하여 밸브스템(20)이 상승하여 자동폐쇄밸브가 개방된다.And in detail look at the configuration of the air cylinder 50, the guide pipe 40 formed with the water port 45 is fastened to the outer surface of the protrusion 32 formed in the blocking plate 30, the guide tube 40 ) Is inserted into the inside of the air cylinder 50 so that it can flow up and down, and the other side of the air cylinder 50 has the same polarity as that of the magnet 25 fastened to the end of the valve stem 20. By attaching the 55 to the repulsive force between the magnet 55 attached to the reservoir 50 and the magnet 25 formed on the valve stem 20 when the reservoir 50 rises due to buoyancy. As a result, the valve stem 20 is raised to open the automatic closing valve.

따라서, 상기와 같이 구성한 본 발명에 따른 탱크로리용 자동폐쇄밸브에 의하면, 저장탱크(100)의 최대용량까지 적재물이 주입될 경우 공기통(50)의 부력이 한 쌍의 자석(25)(55) 사이에서 발생하는 척력(斥力)에 의하여 밸브스템(20)에 전달되고, 그에 따라 밸브스템(20)이 상승하여 자동폐쇄밸브가 개방되면 자동폐쇄밸브의 흡기구(11)로 유입된 압축공기가 배기구(12)로 방출되어 탱크로리에 구비된 밸브제어장치의 급유밸브(미도시)를 폐쇄하는바, 이때 공기통(50)의 부력이 자력에 의하여 자동폐쇄밸브로 전달되므로 저장탱크(100)의 내부공간에 대하여 완전히 차단된 공간에 자동폐쇄밸브의 설치가 가능한 것이며, 이는 결과적으로 저장탱크(100)에 적재되는 유류 및 화공약품과 그 증기(蒸氣)에 의한 자동폐쇄밸브의 부식이나 열화를 방지하는 작용을 한다.Therefore, according to the automatic shutoff valve for tank lorry according to the present invention configured as described above, when the load is injected up to the maximum capacity of the storage tank 100, the buoyancy of the air cylinder 50 between the pair of magnets 25, 55 When the valve stem 20 rises and the automatic closing valve is opened by the repulsive force generated in the exhaust valve, the compressed air introduced into the inlet port 11 of the automatic closing valve is exhausted. 12) to close the oil supply valve (not shown) of the valve control device provided in the tank lorry, the buoyancy force of the air tank 50 is transmitted to the automatic closing valve by the magnetic force in the interior space of the storage tank 100 It is possible to install the automatic closing valve in a completely blocked space, which in turn prevents the corrosion or deterioration of the automatic closing valve by the oil and chemicals loaded on the storage tank 100 and its vapor. do.

도 1 및 도 2는 종래 탱크로리용 밸브제어장치의 작용상태에 따른 구성도1 and 2 is a configuration diagram according to the operating state of the conventional valve control device for tank lorry

도 3 및 도 4는 종래 탱크로리용 자동폐쇄밸브의 작용상태에 따른 단면도3 and 4 are cross-sectional view according to the operation state of the conventional automatic closing valve for tank lorry

도 5는 본 발명에 따른 탱크로리용 자동폐쇄밸브의 폐쇄상태를 나타내는 단면도5 is a cross-sectional view showing a closed state of the automatic closing valve for tank lorry according to the present invention.

도 6은 본 발명에 따른 탱크로리용 자동폐쇄밸브의 개방상태를 나타내는 단면도Figure 6 is a cross-sectional view showing an open state of the automatic closing valve for tank lorry according to the present invention.

*** 도면의 주요 부분에 대한 부호의 설명 ****** Explanation of symbols for the main parts of the drawing ***

10: 몸체 11: 흡기구 12: 배기구10: body 11: inlet 12: exhaust

13: 밸브시트 14: 가이드홀 15: 패킹13: valve seat 14: guide hole 15: packing

16: 통공 17: 통기홈 18: 캡16: Vent 17: Vent 18: Cap

20: 밸브스템 21: 밸브디스크 23: 삽입부20: valve stem 21: valve disc 23: insert

25: 자석 30: 차단판 31: 부착판25: magnet 30: blocking plate 31: attachment plate

32: 돌출부 33: 공간부 40: 가이드관32: protrusion 33: space 40: guide tube

45: 통수구 50: 공기통 55: 자석45: outlet 50: reservoir 55: magnet

Claims (3)

탱크로리에 탑재된 저장탱크(1)의 최대용량까지 적재물이 주입되면 압축공기의 흐름을 제어하여 저장탱크에 형성한 급유밸브를 폐쇄하도록 하는 탱크로리용 자동폐쇄밸브에 있어서;In the tank lorry automatic closing valve to close the oil supply valve formed in the storage tank by controlling the flow of compressed air when the load is injected to the maximum capacity of the storage tank (1) mounted on the tank lorry; 압축공기가 유입되는 흡기구(11) 및 저장탱크의 급유밸브로 압축공기를 방출하는 배기구(12)를 형성하고, 상기 흡기구(11) 및 배기구(12)가 연통하는 내부공간에는 밸브시트(13)를 형성하며, 상기 밸브시트(13)의 하측에는 패킹(15)을 내주면에 형성한 가이드홀(14)이 관통하는 몸체(10)와; 상기 밸브시트(13)를 개폐하는 밸브디스크(21)를 상측에 형성하여 상기 가이드홀(14)에 상하 작동하도록 삽입함으로써 유입된 압축공기의 흐름을 단속하되 하단에는 자석(25)을 체결한 밸브스템(20)과; 저장탱크(1) 상측의 설치공(5)에 부착하되 상기 자석(25)을 수용하는 공간부(33)를 형성하여 상기 몸체(10)의 하단이 공간부(33)의 상단에 체결되도록 한 차단판(30)과; 상기 차단판(30)의 저면에 부착한 가이드관(40)과; 상기 가이드관(40)에 상하 유동하도록 삽입하되 상기 자석(25)에 대하여 척력을 갖는 다른 자석(55)을 상측면에 부착한 공기통(50)을 형성하여; 공기통(50)의 부력이 한 쌍의 자석(25)(55) 사이에 작용하는 척력을 통하여 밸브스템(20)으로 전달되도록 한 것을 특징으로 하는 탱크로리용 자동폐쇄밸브.An inlet port 11 through which compressed air flows in and an exhaust port 12 through which the compressed air is discharged are provided as a supply valve of the storage tank, and a valve seat 13 is formed in an inner space in which the inlet port 11 and the exhaust port 12 communicate. And a body 10 through which the guide hole 14 having the packing 15 formed on the inner circumferential surface of the valve seat 13 penetrates; The valve disk 21 for opening and closing the valve seat 13 is formed on the upper side and inserted into the guide hole 14 so as to operate up and down to regulate the flow of the compressed air introduced, but at the bottom, the valve 25 is fastened with a magnet 25. Stem 20; Attached to the installation hole (5) above the storage tank (1) to form a space portion 33 for receiving the magnet 25 so that the lower end of the body 10 is fastened to the upper end of the space portion 33 Blocking plate 30; A guide tube 40 attached to the bottom surface of the blocking plate 30; Inserted so as to flow up and down in the guide tube (40) to form an air cylinder (50) attached to the upper side of the other magnet 55 having a repulsive force with respect to the magnet (25); The tank valve automatic closing valve, characterized in that the buoyancy force of the air tank 50 is transmitted to the valve stem 20 through the repulsive force acting between the pair of magnets (25) (55). 삭제delete 제1항에 있어서;The method of claim 1; 상기 자동폐쇄밸브 몸체(10)의 상부에 밸브디스크(21)보다 작은 직경을 갖는 통공(16)을 형성하고, 상기 밸브디스크(21)의 상측에는 상기 통공(16)에 기밀이 유지되도록 삽입되는 삽입부(23)를 연장하여 형성하며, 상기 자동폐쇄밸브 몸체(10)의 외주면 상단에 통기홈(17)을 형성함과 아울러 캡(18)을 체결한 것을 특징으로 하는 탱크로리용 자동폐쇄밸브.A through hole 16 having a diameter smaller than that of the valve disc 21 is formed at an upper portion of the automatic closing valve body 10, and an upper side of the valve disc 21 is inserted to maintain airtightness in the through hole 16. It is formed by extending the insertion portion 23, the automatic closing valve for tank lorry, characterized in that the ventilation groove 17 is formed on the top of the outer peripheral surface of the automatic closing valve body 10 and the cap 18 is fastened.
KR1020070113707A 2007-11-08 2007-11-08 Automatic closing valve for tank lorry KR100904314B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020070113707A KR100904314B1 (en) 2007-11-08 2007-11-08 Automatic closing valve for tank lorry

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020070113707A KR100904314B1 (en) 2007-11-08 2007-11-08 Automatic closing valve for tank lorry

Publications (2)

Publication Number Publication Date
KR20090047719A KR20090047719A (en) 2009-05-13
KR100904314B1 true KR100904314B1 (en) 2009-06-23

Family

ID=40857035

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020070113707A KR100904314B1 (en) 2007-11-08 2007-11-08 Automatic closing valve for tank lorry

Country Status (1)

Country Link
KR (1) KR100904314B1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016003226A1 (en) * 2014-07-02 2016-01-07 최영수 Overflow blocking apparatus for tank lorry
KR20240162670A (en) 2023-05-09 2024-11-18 황의갑 Tank lorry valve open/close confirmation system.

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2908342T3 (en) 2013-07-23 2022-04-28 Ptt Global Chemical Public Co Ltd Succinic acid production method using facilitated diffusion for sugar import
KR101588396B1 (en) * 2015-06-11 2016-01-25 (주)동양특장 Sewage collection system having noiseless check valve to control air circulation of pipe
WO2018194377A1 (en) * 2017-04-20 2018-10-25 (주)엠씨엠 Opening/closing valve configured such that closed valve automatically switches to open state when leaked water is removed
CN109826987B (en) * 2019-04-01 2023-10-03 西安友谊燃气设备有限公司 Time-delay automatic closing member and gas self-closing valve with timing closing function

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR920008071U (en) * 1990-10-02 1992-05-19 모리타 펌프 카부시키가이샤 Stop valve
KR20000005511U (en) * 1998-08-31 2000-03-25 이명준 Liquefied petroleum gas storage tank
KR200222265Y1 (en) 2000-11-24 2001-05-02 주식회사삼진에너지 Water level switch
JP2001294299A (en) * 2000-04-14 2001-10-23 Miwa Lock Co Ltd Loading/unloading system for tank truck
KR20030050370A (en) * 2001-12-18 2003-06-25 웅진코웨이주식회사 a device for controlling quantity of water in tank
KR200356932Y1 (en) 2004-04-13 2004-07-21 주식회사 크로버 Duplex float valve
KR20070023200A (en) * 2005-08-23 2007-02-28 최영수 Valve opening and closing device for tank lorry
KR100693801B1 (en) 2005-10-17 2007-03-12 최영수 Valve opening and closing device for tank lorry
KR100716492B1 (en) 2007-01-03 2007-05-10 최영수 Valve control device for tank lorry
KR100838745B1 (en) 2006-12-28 2008-06-17 안재덕 Gas boiler expansion / contraction / air removal valve

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR920008071U (en) * 1990-10-02 1992-05-19 모리타 펌프 카부시키가이샤 Stop valve
KR20000005511U (en) * 1998-08-31 2000-03-25 이명준 Liquefied petroleum gas storage tank
JP2001294299A (en) * 2000-04-14 2001-10-23 Miwa Lock Co Ltd Loading/unloading system for tank truck
KR200222265Y1 (en) 2000-11-24 2001-05-02 주식회사삼진에너지 Water level switch
KR20030050370A (en) * 2001-12-18 2003-06-25 웅진코웨이주식회사 a device for controlling quantity of water in tank
KR200356932Y1 (en) 2004-04-13 2004-07-21 주식회사 크로버 Duplex float valve
KR20070023200A (en) * 2005-08-23 2007-02-28 최영수 Valve opening and closing device for tank lorry
KR100693801B1 (en) 2005-10-17 2007-03-12 최영수 Valve opening and closing device for tank lorry
KR100838745B1 (en) 2006-12-28 2008-06-17 안재덕 Gas boiler expansion / contraction / air removal valve
KR100716492B1 (en) 2007-01-03 2007-05-10 최영수 Valve control device for tank lorry

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016003226A1 (en) * 2014-07-02 2016-01-07 최영수 Overflow blocking apparatus for tank lorry
KR101610478B1 (en) 2014-07-02 2016-04-07 최영수 Overflow discharge apparatus for tank-lorry
KR20240162670A (en) 2023-05-09 2024-11-18 황의갑 Tank lorry valve open/close confirmation system.

Also Published As

Publication number Publication date
KR20090047719A (en) 2009-05-13

Similar Documents

Publication Publication Date Title
KR100904314B1 (en) Automatic closing valve for tank lorry
KR100716492B1 (en) Valve control device for tank lorry
KR100752132B1 (en) Oil tank valve for tank lorry
CN101523098B (en) Liquid tank venting system
JP6621147B2 (en) Overflow shut-off device for tank truck
JP3153969B2 (en) Air valve
KR101317005B1 (en) Tank lorry's storage tank apparatus
KR100554723B1 (en) Pilot-Relief Valve
KR200401077Y1 (en) A Air Vent Device Of Waterworks Air Valve Room
US6454237B1 (en) Air activated internal valve
US20190011073A1 (en) Fluid flow valve
KR101340276B1 (en) Tank Lorry's Storage Tank Apparatus
JP2008127080A (en) Tank facility
KR100577115B1 (en) Liquid Sealed Pressure Vacuum Valve
KR200457566Y1 (en) Overpressure-proof modulating pilot valve
KR102665478B1 (en) Safety tank for contaminated liquid
AU726581B2 (en) Vent assembly
AU2017237101B2 (en) Fully-integrated pressureless flow-control module
KR100719218B1 (en) Three-way valve
KR20160003732U (en) Check valve for a fluid tank
KR200309071Y1 (en) Valve having air transpire structure
KR200360747Y1 (en) Non return valve for prevention flowing backward
KR200440068Y1 (en) Air stopper to prevent leakage and bucket containing the same
PL242229B1 (en) Pressure vessel venting assembly, especially filters and aerators
KR101151227B1 (en) Over-pressure preventing pilot valve

Legal Events

Date Code Title Description
A201 Request for examination
PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 20071108

PA0201 Request for examination
E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 20080930

Patent event code: PE09021S01D

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

Patent event code: PE07011S01D

Comment text: Decision to Grant Registration

Patent event date: 20090323

PG1501 Laying open of application
GRNT Written decision to grant
PR0701 Registration of establishment

Comment text: Registration of Establishment

Patent event date: 20090616

Patent event code: PR07011E01D

PR1002 Payment of registration fee

Payment date: 20090616

End annual number: 3

Start annual number: 1

PG1601 Publication of registration
FPAY Annual fee payment

Payment date: 20120618

Year of fee payment: 4

PR1001 Payment of annual fee

Payment date: 20120618

Start annual number: 4

End annual number: 4

LAPS Lapse due to unpaid annual fee
PC1903 Unpaid annual fee