KR100365086B1 - Aluminum gravity casting system - Google Patents

Aluminum gravity casting system Download PDF

Info

Publication number
KR100365086B1
KR100365086B1 KR1019970077259A KR19970077259A KR100365086B1 KR 100365086 B1 KR100365086 B1 KR 100365086B1 KR 1019970077259 A KR1019970077259 A KR 1019970077259A KR 19970077259 A KR19970077259 A KR 19970077259A KR 100365086 B1 KR100365086 B1 KR 100365086B1
Authority
KR
South Korea
Prior art keywords
casting
automatic
mold
hot water
cast
Prior art date
Application number
KR1019970077259A
Other languages
Korean (ko)
Other versions
KR19990057211A (en
Inventor
문상석
김명석
Original Assignee
주식회사 만도
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 만도 filed Critical 주식회사 만도
Priority to KR1019970077259A priority Critical patent/KR100365086B1/en
Publication of KR19990057211A publication Critical patent/KR19990057211A/en
Application granted granted Critical
Publication of KR100365086B1 publication Critical patent/KR100365086B1/en

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D21/00—Casting non-ferrous metals or metallic compounds so far as their metallurgical properties are of importance for the casting procedure; Selection of compositions therefor
    • B22D21/002—Castings of light metals
    • B22D21/007—Castings of light metals with low melting point, e.g. Al 659 degrees C, Mg 650 degrees C
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D23/00—Casting processes not provided for in groups B22D1/00 - B22D21/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D46/00—Controlling, supervising, not restricted to casting covered by a single main group, e.g. for safety reasons

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)

Abstract

PURPOSE: An aluminum gravity casting system is provided to perform efficient casting work by one worker by automating a casting line and to produce various kinds of goods by freely changing the mold and hot water of a casting machine. CONSTITUTION: An aluminum manufacture system injects molten liquid stored in a holding furnace, into hot water of a gravity casting machine(50) by using a ladle(30) of an automatic hot-water supplier(40), forms a cast in a mold, automatically withdraws the cast by an automatic withdrawer, and cools the cast in a water tank. An aluminum gravity casting system comprises a water table(70) to which the cooled cast is automatically transferred; an auto-loader(100) moving the cast on the water table; an automatic cutter(80) cutting a riser part of the cast transferred from the auto-loader; and a mold-separating unit stopping operation of a line including the automatic cutter, in exchanging the mold and hot water of the gravity casting machine. Thus, efficient casting work is performed and productivity is improved.

Description

알루미늄 중력주조시스템{Aluminum gravity casting system}Aluminum gravity casting system

본 발명은 알루미늄 중력주조시스템(Aluminum Gravity Casting System)에 관한 것으로, 특히 용탕을 저장하는 호멜로, 호멜로의 용탕을 중력주조기에 주입하는래들을 갖는 자동급탕기, 성형된 주조물을 금형으로부터 취출하는 자동취출기, 주조물을 냉각시키는 수조탱크, 냉각된 주조물을 언로딩시키는 수조테이블, 수조테이블상의 주조물을 제품과 압탕부로 절단하는 자동절단기, 주조기에 구비되어 절단된 주조물을 분리하도록 제어하는 오퍼레이팅 패널로 되어, 주조라인을 전자동화시킴으로써 1명의 작업인원으로 효율적인 주조작업을 행할 수 있고, 주조기의 금형 및 탕수를 자유롭게 변경하여 다양한 종류의 제품을 생산할 수 있는 것은 물론, 제품의 생산성 향상과 원가절감에 기여하는 알루미늄 중력주조시스템에 관한 것이다.TECHNICAL FIELD The present invention relates to an aluminum gravity casting system, and more particularly, an automatic hot water heater having a ladle for injecting a molten metal into a gravity casting machine, a homello for storing molten metal, and an automatic hot water ejecting molded product from a mold. With a blower, a water tank for cooling the casting, a water tank table for unloading the cooled casting, an automatic cutting machine for cutting the casting on the water tank table into the product and the hot water part, and an operating panel which is provided in the casting machine and controls to separate the cut casting. By making the casting line fully automatic, one person can perform efficient casting work, and freely change the mold and water supply of the casting machine to produce various kinds of products, contributing to the improvement of product productivity and cost reduction. It relates to an aluminum gravity casting system.

일반적으로 중력주조 시스템은, 호멜로 래들을 이용하여 주조기의 금형에 용탕을 주입하고 일정 시간동안 성형/응고시킨 다음, 금형을 개방시켜 성형된 제품을 수조에서 냉각시키며, 제품이 냉각된 후에는 절단기를 이용하여 압탕부와 제품을 분리시킨다.In general, the gravity casting system injects molten metal into a mold of a casting machine by using a melodle ladle, molds / solidifies for a predetermined time, and then opens the mold to cool the molded product in a water tank. Use to separate the hot water unit and the product.

통상적인 중력주조방식은 각각의 공정이 별개로 진행되거나 또는 설치의 라인업이 이루어져 있지 않으며, 또한 대부분의 작업공정을 수작업에 의존하고 있어, 생산에 따른 작업인원이 증가하는 것은 물론, 이로 인하여 제품의 생산성이 저하되고 제품의 원가가 상승하는 단점이 있었다.In the conventional gravity casting method, each process is not carried out separately or installation lineup is performed, and most of the work processes are dependent on manual work, which increases the number of workers due to production and, of course, Productivity was lowered and the cost of the product was increased.

뿐만 아니라 주조기의 금형과 탕수의 변경이 자유롭지 못하여 다양한 종류의 제품의 주조에 많은 어려움이 있었다.In addition, there were many difficulties in casting various kinds of products because the mold and the water of the casting machine were not freely changed.

본 발명의 목적은, 주조라인을 전자동화시킴으로써 1명의 작업인원으로 효율적인 주조작업을 행할 수 있고, 주조기의 금형 및 탕수를 자유롭게 변경하여 다양한 종류의 제품을 생산할 수 있는 것은 물론, 제품의 생산성 향상과 원가절감에 기여하는 알루미늄 중력주조시스템을 제공하기 위한 것이다.It is an object of the present invention to perform efficient casting work by one worker by fully automatic casting line, and to freely change the mold and hot water of the casting machine to produce various kinds of products, as well as to improve the productivity of the product and It is to provide aluminum gravity casting system that contributes to cost reduction.

본 발명은 상기의 목적을 달성하기 위하여, 용탕을 저장하는 호멜로, 호멜로의 용탕을 중력주조기에 주입하는 래들을 갖는 자동급탕기, 성형된 주조물을 금형으로부터 취출하는 자동취출기, 주조물을 냉각시키는 수조탱크, 냉각된 주조물을 언로딩시키는 수조테이블, 수조테이블상의 주조물을 제품과 압탕부로 절단하는 자동절단기, 주조기에 구비되어 절단된 주조물을 분리하도록 제어하는 오퍼레이팅 패널이 구비된 것이다.In order to achieve the above object, the present invention provides a hot water heater for storing molten metal, an automatic hot water heater having a ladle for injecting molten metal into the gravity casting machine, an automatic extractor for extracting a molded product from a mold, and cooling the casting. A tank tank, a tank table for unloading the cooled casting, an automatic cutting machine for cutting the casting on the tank table into a product and a pressure part, and an operating panel provided in the casting machine to control to separate the cut casting.

도 1은 본 발명의 구성 정면도1 is a configuration front view of the present invention

도 2는 본 발명의 구성 측면도2 is a configuration side view of the present invention

도 3은 본 발명의 구성 평면도3 is a plan view of the configuration of the present invention

* 도면의 주요부분에 대한 부호의 설명 *Explanation of symbols on the main parts of the drawings

10 : 프레임 20 : 호멜로10: frame 20: melo

30 : 래들 40 : 자동급탕기30: ladle 40: automatic hot water heater

50 : 중력주조기 51 : 금형50: gravity casting machine 51: mold

52 : 탕수 60 : 수조탱크52: water supply tank 60: water tank

70 : 수조테이블 80 : 자동절단기70: tank table 80: automatic cutting machine

90 : 자동취출기 100 : 오토 로더90: automatic ejector 100: auto loader

110 : 금형분리장치 120 : 오퍼레이팅 패널110: mold separation device 120: operating panel

이하, 본 발명의 바람직한 실시예를 도면을 참조하여 다음과 같이 설명한다.Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings.

도 1은 본 발명의 구성 정면도이고, 도 2는 본 발명의 구성 측면도이며, 도 3은 본 발명의 구성 평면도를 각기 나타낸 것으로, 알루미늄 합금이 용해된 용탕을 저장하는 호멜로(20)를 구비하고, 호멜로(20)의 용탕을 담아 선회하면서 용탕을 탕수에 주입하는 래들(30)을 갖는 자동급탕기(40)를 프레임(10)에 수평이동가능케 설치하며, 래들(30)의 하방 일측에는 금형(51)과, 금형(51)에 용탕을 주입하는 탕수(52)를 갖는 중력주조기(50)를 구비한다.1 is a front view of the configuration of the present invention, FIG. 2 is a side view of the configuration of the present invention, and FIG. 3 is a plan view of the configuration of the present invention, respectively, and includes a homello 20 for storing molten aluminum alloy dissolved therein. And, the automatic hot water heater 40 having a ladle 30 to inject the molten metal into the hot water while turning the molten metal of the melody 20 is installed in the frame 10 so as to move horizontally, the mold on the lower side of the ladle 30 And a gravity casting machine (50) having hot water (52) for pouring molten metal into the mold (51).

중력주조기(50)로부터 일정 거리에 이격하여 주조물을 냉각시키는 수조탱크(60)를 설치하고, 수조탱크(60)의 일측에 냉각된 주조물을 놓아두는 수조테이블(70)을 설치하며, 수조테이블(70)의 일측에는 주조물의 압탕부를 절단하는 자동절단기(80)를 설치한다.A water tank tank 60 for cooling the casting spaced apart from the gravity casting machine 50 at a predetermined distance, and a water tank table 70 for placing the cooled casting on one side of the water tank tank 60, the water tank table ( One side of the 70 is provided with an automatic cutter 80 for cutting the pressure portion of the casting.

또한 중력주조기(50)로부터 성형된 주조물을 취출하여 수조탱크(60)로 이동시키는 자동취출기(90)를 프레임(10)에 이송가능케 설치하고, 수조테이블(70)에 안치된 주조물을 자동절단기(80)로 이동시키도록 프레임(10)에 오토 로더(100)를 설치하며, 아울러 자동취출기(90)의 일측에 중력주조기(50)의 금형(51) 교환시 이용되는 금형분리장치(110)를 구비한 것이다.In addition, the automatic casting machine (90) for taking out the molded casting from the gravity casting machine (50) and moving it to the water tank (60) is installed to be transported to the frame (10), and the casting machined on the water tank table (70) is automatically cut. The autoloader 100 is installed on the frame 10 so as to move to the 80, and the mold separation device 110 used when the mold 51 of the gravity casting machine 50 is replaced on one side of the automatic ejector 90. ).

한편, 중력주조기(50)의 일측에는 오퍼레이팅 패널(120)을 구비하여 주조공정을 원격적으로 제어할 수 있도록 구성한 것이다.On the other hand, one side of the gravity casting machine 50 is provided with an operating panel 120 is configured to remotely control the casting process.

따라서 본 발명의 알루미늄 중력주조시스템은, 자동급탕기(40)는 호멜로(20)의 상부에, 자동취출기(90)는 수조탱크(60)의 상부에, 또한 자동절단기(80)는 오토 로더(100)의 상부에 각각 위치되고 있는 상태에서 자동급탕기(40)가 호멜로(20)로 하강하여 래들(30)에 규정된 양의 용탕을 담아 상승한다.Therefore, in the aluminum gravity casting system of the present invention, the automatic hot water heater 40 is at the top of the home marshmallow 20, the automatic extractor 90 is at the top of the water tank 60, and the automatic cutter 80 is the auto loader. The automatic hot water heater 40 descends to the melomb 20 in the state which is located in the upper part of 100, respectively, and raises the molten metal prescribed | regulated in the ladle 30.

중력주조기(50)의 상부로 자동급탕기(40)를 이동시킨 다음, 자동급탕기(40)를 하강시켜 래들(30)을 선회시킴과 동시에 그 래들(30)에 담겨 있는 용탕을 중력주조기(50)의 탕수(52)에 주입한다.After moving the automatic water heater 40 to the upper portion of the gravity casting machine 50, the automatic water heater 40 is lowered to turn the ladle 30 and at the same time the molten metal contained in the ladle 30 gravity casting machine 50 It is injected into the hot water (52).

탕수(52)에 대한 용탕의 주입작업이 완료되면 래들(30)을 선회, 복귀시켜 자동급탕기(40)를 상방으로 이동시켜 초기상태로 대기한다.When the injection of the molten metal to the hot water 52 is completed, the ladle 30 is rotated and returned to move the automatic hot water heater 40 upward to wait in an initial state.

중력주조기(50)로부터는 일정시간이 경과하면서 금형(51)의 형상에 따라 중력주조물의 제품이 성형되며, 이후 주조물의 냉각을 행한다.From the gravity casting machine 50, the product of the gravity casting is shape | molded according to the shape of the metal mold | die 51, after a predetermined time passes, and a casting is cooled.

주조물의 냉각은, 수조탱크(60)의 상방에 위치한 자동취출기(90)가 중력주조기(50)의 상방으로 이동한 상태에서 하강하여 주조물을 취출하여 수조탱크(60)의상방으로 이동하고, 다시 자동취출기(90)가 수조탱크(60)내의 클램프장치로 하강하여 이를 전달한 후 주조물의 냉각을 행한다.Cooling of the casting is lowered in the state in which the automatic extractor 90 located above the water tank 60 moves upward of the gravity casting machine 50, takes out the casting, and moves above the water tank 60, The automatic extractor 90 descends to the clamping device in the water tank 60 and delivers it to cool the casting.

자동취출기(90)는 주조물을 수조탱크(60)로 이송한 상태에서 다시 상승하여 초기상태로 유지되며, 수조탱크(60)는 주조물의 냉각을 완료한 후 그 주조물을 수조테이블(70)상으로 이송하며, 이후 자동절단기(80)의 상부에 위치한 오토 로더(100)가 수조테이블(70)로 이동, 하강하여 중력주조물을 클램핑한다.The automatic extractor 90 is raised again in the state in which the casting is transferred to the water tank 60, and is maintained at the initial state. The water tank 60 completes the cooling of the water after casting the casting on the water tank table 70. Afterwards, the autoloader 100 located on the upper part of the automatic cutter 80 moves to the water tank table 70 and descends to clamp the gravity casting.

오토 로더(100)는 주조물을 클램핑한 상태에서 상승하여 자동절단기(80)의 상방으로 이동한 다음, 다시 하강하여 자동절단기(80)에 주조물을 로딩시킨 다음 상승하여 초기상태로 대기한다.The autoloader 100 rises while clamping the casting, moves upward of the automatic cutting machine 80, and then descends again to load the casting into the automatic cutting machine 80, and then rises to stand by in an initial state.

자동절단기(80)는 중력주조물을 제품과 압탕부로 분리되도록 절단하고, 중력주조기(50)의 오퍼레이팅 패널(120)에 입력된 제품을 기종별로 분리하여 박스에 투입함으로써 생산공정의 1사이클이 완료된다.The automatic cutting machine 80 cuts the gravity casting to be separated into the product and the pressure part, and separates the product inputted into the operating panel 120 of the gravity casting machine by type and puts it into the box to complete one cycle of the production process. do.

한편, 금형분리장치(110)는, 중력주조기(50)의 탕수(52)와 금형(51)을 교환할 경우 라인의 가동을 정지시켜 수동으로 금형을 교환할 수 있도록 한다.On the other hand, the mold separation device 110, when replacing the hot water 52 and the mold 51 of the gravity casting machine 50 to stop the operation of the line to be able to replace the mold manually.

이상과 같이 본 발명의 알루미늄 중력주조시스템은, 용탕을 저장하는 호멜로(20)와, 호멜로의 용탕을 중력주조기(50)의 탕수(52)에 주입하는 래들(30)을 갖고 이동가능한 자동급탕기(40)와, 성형된 주조물을 중력주조기의 금형(51)으로부터 취출하는 자동취출기(90)와, 주조물을 자동취출기로부터 받아 냉각시키는 수조탱크(60)와, 수조탱크로부터 냉각된 주조물을 언로딩시키는 수조테이블(70)과, 수조테이블상의 주조물을 이송시키는 오토 로더(100) 및 그 로더로부터 주조물을 받아 압탕부를 절단하는 자동절단기(80)와, 중력주조기에 구비되어 절단된 주조물을 분리하도록 제어하는 오퍼레이팅 패널(120)로 된 것인 바, 주조라인을 전자동화시킴으로써 1명의 작업인원으로 효율적인 주조작업을 행할 수 있고, 주조기의 금형 및 탕수를 자유롭게 변경하여 다양한 종류의 제품을 생산할 수 있는 것은 물론, 제품의 생산성 향상과 원가절감에 기여하는 효과가 있다.As described above, the aluminum gravity casting system of the present invention is movable automatically with a marshmallow 20 for storing molten metal and a ladle 30 for injecting the smelted molten metal into the hot water 52 of the gravity casting machine 50. The hot water heater 40, the automatic take-out machine 90 which takes out the molded casting from the mold 51 of the gravity casting machine, the water tank 60 which receives and cools the casting from the automatic take-out machine, and the casting cooled by the water tank tank The water tank table 70 for unloading the water, the auto loader 100 for transporting the casting on the water tank table, the automatic cutting machine 80 for receiving the casting from the loader, and cutting the hot water part, and the cast product provided in the gravity casting machine. It is made of an operating panel 120 to control the separation of the bar, the automatic casting line can be efficiently performed by one worker, and the mold and hot water of the casting machine can be freely changed Not only can produce different kinds of products, but also contributes to productivity improvement and cost reduction.

Claims (1)

호멜로(20)에 저장된 용탕을 자동급탕기(40)의 래들(30)을 사용하여 중력주조기(50)의 탕수(52)에 주입해서 금형(51) 내에서 주조물을 형성시키고, 이를 자동취출기(90)에 의하여 자동으로 취출하여 수조탱크(60)에서 냉각시키며, 제어장치인 오퍼레이팅 패널(120)이 구비된 알루미늄 제조 시스템에 있어서,The molten metal stored in the home melo 20 is injected into the hot water 52 of the gravity casting machine 50 using the ladle 30 of the automatic water heater 40 to form a casting in the mold 51, and the automatic ejector In the aluminum manufacturing system equipped with the operating panel 120, which is automatically taken out by the 90 and cooled in the tank tank 60, the control device, 상기 수조탱크(60)에서 냉각이 완료된 주조물이 자동으로 이송되는 수조테이블(70)과,A water tank table 70 through which the casting after cooling is completed in the water tank tank 60, and 상기 수조테이블(70)상의 주조물을 공간 이동시키는 오토 로더(100)와,An autoloader 100 for space-moving the casting on the water tank table 70; 상기 오토 로더(100)로부터 이송된 주조물의 압탕부를 절단하는 자동절단기(80)와,An automatic cutter 80 for cutting the hot water part of the casting transferred from the auto loader 100; 상기 중력주조기(50)의 금형(51)과 탕수(52)의 교환시 상기 자동절단기(80)를 비롯한 라인의 가동을 정지시키는 금형분리장치(110)를 포함하여 구성됨을 특징으로 하는 알루미늄 중력주조시스템.Aluminum gravity casting, characterized in that it comprises a mold separation device 110 for stopping the operation of the line, including the automatic cutter 80 when the mold 51 and the hot water 52 of the gravity casting machine (50) system.
KR1019970077259A 1997-12-29 1997-12-29 Aluminum gravity casting system KR100365086B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019970077259A KR100365086B1 (en) 1997-12-29 1997-12-29 Aluminum gravity casting system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019970077259A KR100365086B1 (en) 1997-12-29 1997-12-29 Aluminum gravity casting system

Publications (2)

Publication Number Publication Date
KR19990057211A KR19990057211A (en) 1999-07-15
KR100365086B1 true KR100365086B1 (en) 2003-02-11

Family

ID=37490994

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019970077259A KR100365086B1 (en) 1997-12-29 1997-12-29 Aluminum gravity casting system

Country Status (1)

Country Link
KR (1) KR100365086B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100797633B1 (en) * 2006-07-04 2008-01-24 한국생산기술연구원 Automatic Casting device
KR101281377B1 (en) * 2011-08-29 2013-07-02 동양피스톤 주식회사 Casting machine for producing piston

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5545560A (en) * 1978-09-28 1980-03-31 Seikatsu Yohin Shinko Center Automatic casting device of antimony metal
JPS56111569A (en) * 1980-01-25 1981-09-03 Bruehl Eisenwerk Casting device for light metal alloy
JPH06315762A (en) * 1993-05-07 1994-11-15 Asahi Tec Corp Method for controlling casting

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5545560A (en) * 1978-09-28 1980-03-31 Seikatsu Yohin Shinko Center Automatic casting device of antimony metal
JPS56111569A (en) * 1980-01-25 1981-09-03 Bruehl Eisenwerk Casting device for light metal alloy
JPH06315762A (en) * 1993-05-07 1994-11-15 Asahi Tec Corp Method for controlling casting

Also Published As

Publication number Publication date
KR19990057211A (en) 1999-07-15

Similar Documents

Publication Publication Date Title
CN208773972U (en) Injection mold
KR101912181B1 (en) Continuous casting-forging manufacturing equipment
EP1641579B1 (en) Bench, mold and casting procedure in particular for engine cylinders heads
KR100365086B1 (en) Aluminum gravity casting system
US3512576A (en) Diecasting machines
US5725041A (en) Molding machine
CN101014432A (en) Method and device for producing a mechanical part, in particular a bearing ring and a part produced by said method
CN210877418U (en) A cast wax mould core continuous-flow type workstation for handicraft preparation
CN210231448U (en) LED waterproof power supply aluminum shell mold
CN210139038U (en) Test block die
CN219543793U (en) High-frequency rapid smelting forming device
CN205074609U (en) Controlling means of first foundry goods arm sprue cut of two saws machine
CN214290687U (en) Wax injection machine with automatic wax melting function
US20030217831A1 (en) Cooling unit for a selective cooling of casting piece as they are obtained in casting molds
CN217044568U (en) Robot casting production line
CN216176584U (en) Injection molding device for machine tool casting
JPS5847558A (en) Method and device for low pressure casting
CN210733087U (en) Precision mold capable of being rapidly formed
CN214867162U (en) Novel three board die casting die structure
CN220679341U (en) Automatic demoulding device of mould
CN212264446U (en) Full-automatic die head wax injection machine
CN219503674U (en) Precoated sand shell mold for casting wear-resistant sleeve
KR101480822B1 (en) Die device for trimming and its method
CN106077506A (en) A kind of blade casting mould and application thereof and blade forming method
CN102554138A (en) Cutter tooth holder casting mold for crushing machines and horizontally molding-vertically pouring casting process for cutter tooth holders for crushing machines

Legal Events

Date Code Title Description
N231 Notification of change of applicant
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20100929

Year of fee payment: 9

LAPS Lapse due to unpaid annual fee