KR19980024548U - Feed roller device of electrophotographic development method - Google Patents
Feed roller device of electrophotographic development method Download PDFInfo
- Publication number
- KR19980024548U KR19980024548U KR2019960037937U KR19960037937U KR19980024548U KR 19980024548 U KR19980024548 U KR 19980024548U KR 2019960037937 U KR2019960037937 U KR 2019960037937U KR 19960037937 U KR19960037937 U KR 19960037937U KR 19980024548 U KR19980024548 U KR 19980024548U
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- South Korea
- Prior art keywords
- roller
- toner
- developing roller
- photosensitive drum
- light source
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000001680 brushing effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract 1
- 206010034972 Photosensitivity reaction Diseases 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000036211 photosensitivity Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 206010047571 Visual impairment Diseases 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
- G03G21/0005—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge for removing solid developer or debris from the electrographic recording medium
- G03G21/0035—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge for removing solid developer or debris from the electrographic recording medium using a brush; Details of cleaning brushes, e.g. fibre density
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/02—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices
- G03G15/0208—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices by contact, friction or induction, e.g. liquid charging apparatus
- G03G15/0216—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices by contact, friction or induction, e.g. liquid charging apparatus by bringing a charging member into contact with the member to be charged, e.g. roller, brush chargers
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
- G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
- G03G15/0806—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller
- G03G15/0808—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller characterised by the developer supplying means, e.g. structure of developer supply roller
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2221/00—Processes not provided for by group G03G2215/00, e.g. cleaning or residual charge elimination
- G03G2221/0026—Cleaning of foreign matter, e.g. paper powder, from imaging member
- G03G2221/0068—Cleaning mechanism
- G03G2221/0089—Mechanical
Abstract
본 고안은 전자사진현상방식을 이용한 기기의 공급롤러 장치에 관한 것으로, 더욱 상세하게는 현상롤러에 토너를 균일하게 공급하는 공급롤러의 공급성 및 대전성 향상을 위한 전자사진현상방식의 공급롤러 장치에 관한 것으로, 기기 본체에 내장되어 있는 구동계로부터 동력을 전달받아 회전되도록 감광특성을 가지는 감광드럼과, 인자의 각 신호를 빛 에너지로 노광시키는 광원부와, 광원부를 통해 입사되는 광원에 의하여 생성된 감광드럼의 전기적 잠상에 토너를 부착시켜 주는 현상롤러와, 감광드럼의 표면을 일정한 전하로 대전시켜 주는 대전롤러와, 상기 현상롤러에 의하여 감광드럼에 부착되는 토너를 균일하게 도포되도록 조정하는 블레이드가 설치되고, 기존의 원추형에서 브러쉬 형태로 형성된 공급롤러로 구성되며, 공급롤러는 브러쉬 형상으로 현상롤러와 접하여 반대방향으로 회전함으로서 현상롤러의 잔상을 크리닝 시켜주어 화상에 발생하는 현상롤러 주기의 이중현상을 없애고, 브러쉬의 탄성을 이용하여 현상롤러룰 지나는 순간에 현상롤러의 잔상을 털어주고 바로이어 밖으로 빼냄으로서 새로운 토너와 섞어서 공급할 수 있어 공급롤러의 토너 공급을 원활히 하고 대전성을 향상시키는 효과를 가진다.The present invention relates to a feed roller device for an apparatus using an electrophotographic development method, and more particularly, to a feed roller device for improving supplyability and chargeability of a supply roller that uniformly supplies toner to a developing roller. A photosensitive drum having a photosensitive characteristic to be rotated by receiving power from a driving system built into the main body of a device, a light source unit for exposing each signal of a print with light energy, and a photosensitive generated by a light source incident through the light source unit A developing roller for attaching toner to the latent electrical latent drum, a charging roller for charging the surface of the photosensitive drum with a constant charge, and a blade for adjusting the toner adhered to the photosensitive drum by the developing roller to be uniformly applied. It consists of a feed roller formed in the form of a brush from the conventional conical shape, the feed roller is a brush It rotates in the opposite direction in contact with the developing roller to clean the residual image of the developing roller, eliminating the double phenomenon of the developing roller cycle occurring in the image, and using the elasticity of the brush, brushing off the residual image of the developing roller at the moment passing through the developing roller. It can be supplied by mixing with new toner by taking it out immediately and giving it to the outside, which has an effect of facilitating supply of the toner of the feed roller and improving chargeability.
Description
본 고안은 전자사진현상방식에 관한 것으로, 더욱 상세하게는 현상롤러에 토너를 균일하게 공급하는 공급롤러의 공급성 및 대전성 향상을 위한 전자사진현상방식의 공급롤러 장치에 관한 것이다.The present invention relates to an electrophotographic development method, and more particularly, to an electrophotographic development method feed roller device for improving supplyability and chargeability of a supply roller that uniformly supplies toner to a developing roller.
일반적으로 전자사진현상방식을 이용한 복사기, 프린터, 팩시밀리등에 있어서 오존(O3) 발생을 최소화하기 위해서 접촉대전방식을 사용하고 있다.In general, the contact charging method is used to minimize the generation of ozone (O3) in the copier, printer, facsimile using the electrophotographic development method.
즉, 도 1에 도시된 바와 같이 전자사진현상방식을 이용한 기기는 많은 양의 용지를 수납하는 카세트(90)와, 상기 카세트(90)에 수납된 용지를 한 장씩 픽업시키는 픽업롤러(100)와, 구동계로부터 동력을 전달받아 회전되는 감광드럼(20)과, 픽업롤러(100)에 의하여 이송되는 용지를 감광드럼(20)으로 이송시켜주는 레지롤러(110)와, 인자의 각 신호를 빛 에너지로 노광시키는 광원부(30)와, 렌즈부를 통해 입사되는 광원에 의해 생성되는 감광드럼(20)의 전기적 잠상에 토너를 부착시켜주는 현상부(40)와, 감광드럼(20)에 부착된 토너를 용지에 옮겨 부착시켜 주는 전사롤러(50)와, 감광드럼(20)의 표면을 일정한 전하로 대전시켜주는 대전롤러(60)와, 전사된 용지의 미세분말 토너를 고압과 고열로 융착시켜주도록 압력롤러(81)와, 가열롤러(82)로, 구성되는 정착부(80)로 구성된다.That is, as shown in FIG. 1, the apparatus using the electrophotographic development method includes a cassette 90 for accommodating a large amount of paper, a pickup roller 100 for picking up the sheets of paper stored in the cassette 90 one by one, and , The photosensitive drum 20 rotated by receiving power from the drive system, the register roller 110 for transferring the paper conveyed by the pickup roller 100 to the photosensitive drum 20, and each signal of the print light energy. The toner attached to the photosensitive drum 20, the developing unit 40 attaching the toner to the electrical latent image of the photosensitive drum 20 generated by the light source incident through the lens unit, and the toner attached to the photosensitive drum 20. A transfer roller 50 for transferring to the paper, a charge roller 60 for charging the surface of the photosensitive drum 20 with a constant charge, and a pressure to fuse the fine powder toner of the transferred paper with high pressure and high temperature. With the fixing part 80 comprised with the roller 81 and the heating roller 82 It is sex.
또한, 상기 현상부(40)는 현상롤러(42)에 일정량의 토너를 공급하는 공급롤러(41)와, 상기 공급롤러(41)로부터 공급되는 토너를 대전시켜 감광드럼(20)에 부착되도록 하는 현상롤러(42)로 구성된다.In addition, the developing part 40 charges the supply roller 41 for supplying a predetermined amount of toner to the developing roller 42 and the toner supplied from the supply roller 41 to be attached to the photosensitive drum 20. It consists of a developing roller 42.
이러한 구성으로 이루어진 전자사진현상방식을 이용한 기기의 동작을 설명하면, 프린팅 신호를 주면 픽업롤러(100)가 클러치 작동에 의하여 카세트(90)내에 수납된 용지를 픽업시켜 레지롤러(110)까지 이송시키게 되며 레지롤러(110)로 이송된 용지는 레지롤러(110)의 이송력에 의하여 감광드럼(20)과 전사롤러(50) 사이로 이송하게 된다.Referring to the operation of the apparatus using the electrophotographic development method having such a configuration, when the printing signal is given to the pickup roller 100 to pick up the paper stored in the cassette 90 by the clutch operation to transfer to the register roller 110. The paper conveyed to the regulating roller 110 is conveyed between the photosensitive drum 20 and the transfer roller 50 by the conveying force of the regulating roller 110.
이때, 감광드럼(20)은 구동계로부터 동력을 전달받아서 시계방향으로 회전하게되고 대전롤러(60) 에 전압을 인가하면 감광드럼(20)은 표면전위를 형성하게 되며 그 감광드럼(20)의 표면에 광원을 주사하면 노광전위를 형성하여서 화상에 대응되는 잠상을 형성하게된다.At this time, the photosensitive drum 20 is rotated in the clockwise direction by receiving power from the drive system and when a voltage is applied to the charging roller 60, the photosensitive drum 20 forms a surface potential and the surface of the photosensitive drum 20 When the light source is scanned, an exposure potential is formed to form a latent image corresponding to the image.
또한, 블레이드(120)에 의하여 현상부(40)의 현상롤러(42) 표면에 균일하게 대전된 미세분말 토너는 그 현상롤러(42)에 현상바이어스 전압을 인가하므로서 대전된 토너가 전위차에 의하여 감광드럼(20)에 부착하게 된다.In addition, the fine powder toner uniformly charged on the surface of the developing roller 42 of the developing part 40 by the blade 120 applies the developing bias voltage to the developing roller 42 so that the charged toner is photosensitive due to the potential difference. It is attached to the drum (20).
상기 감광드럼(20)에 부착된 토너는 전사롤러(50)에 역전압을 인가하므로서 용지에 부착되고 용지에 전사된 토너는 정착부(80)의 압력과 열에 의하여 정착되므로서 일련의 과정은 종료되는 것이다.The toner attached to the photosensitive drum 20 is applied to the paper by applying a reverse voltage to the transfer roller 50, and the toner transferred to the paper is fixed by the pressure and heat of the fixing unit 80, thereby completing a series of processes. Will be.
도 2는 도시된 바와 같이, 종래에 사용중인 전자사진현상 방식을 나타낸 것이다.Figure 2 shows, as shown, the electrophotographic development method in use in the prior art.
기기 본체에 내장되어 있는 구동계로부터 동력을 전달받아 회전되도록 감광특성을 가지는 감광드럼(10)과, 인자의 각 신호를 빛 에너지로 노광시키는 광원부와, 광원부를 통해 입사되는 광원에 의하여 생성된 감광드럼의 전기적 잠상에 토너를 부착시켜 주는 현상롤러(30)와, 감광드럼의 표면을 일정한 전하로 대전시켜 주는 대전롤러(60)와, 상기 현상롤러(30)에 의하여 감광드럼에 부착되는 토너를 균일하게 도포되도록 조정하는 블레이드(40)가 설치되고, 원추형의 모양으로 상기 현상롤러(30)에 일정량의 토너를 공급하는 공급롤러(20)와, 또한 현상롤러(30)와 접촉 및 압착하면서 미세토너를 초기 저장 상태에서 공급롤러(20)로 공급시켜 주는 토너 교반기(50)를 포함하여 구성한다.A photosensitive drum 10 having a photosensitivity characteristic so as to be rotated by receiving power from a drive system built in the main body of the device, a light source unit for exposing each signal of printing with light energy, and a photosensitive drum generated by a light source incident through the light source unit A developing roller 30 for attaching the toner to the latent electric latent image, a charging roller 60 for charging the surface of the photosensitive drum with a constant charge, and a toner attached to the photosensitive drum by the developing roller 30 uniformly. The blade 40 is adjusted to be applied so as to be applied, the supply roller 20 for supplying a certain amount of toner to the developing roller 30 in a conical shape, and the fine toner while contacting and pressing the developing roller 30. It comprises a toner stirrer 50 for supplying to the feed roller 20 in the initial storage state.
상기와 같이 구성된 전자사진현상방식의 동작을 설명하면, 감광드럼(10)은 구동계로부터 동력을 전달받아서 시계방향으로 회전하게되고, 대전롤러(60)에 의해 감광드럼(10)을 대전시키고 노광기구로 잠상을 형성시키면 형성된 잠상은 현상롤러(30)를 통과하면서 가시화 되고 이는 미 도시된 전사롤러를 통해 옮겨지고 정착기구를 통과하면서 완전한 한 주기를 행하게 된다.Referring to the operation of the electrophotographic development method configured as described above, the photosensitive drum 10 is rotated in the clockwise direction by receiving power from the drive system, the charging roller 60 to charge the photosensitive drum 10 to the exposure mechanism When the latent image is formed, the latent image formed is visualized while passing through the developing roller 30, which is moved through the transfer roller (not shown) and passes through the fixing mechanism to perform a complete cycle.
상기와 같이 한 주기를 행하는 동안 현상롤러(30)에 토너를 공급시키기 위하여 공급롤러(20) 전체가 단순한 원추형상으로 된 우레탄 스폰지 계열의 롤러를 사용하여 외부로부터 일정전압을 인가받아 토너를 공급 하였으나, 현상롤러(30)와, 공급롤러(20)가 일정한 압력으로 눌려서 계속적으로 회전함에 따라 스폰지의 구멍속에 틀어박힌 토너가 빠져나오지 못하고 그 구멍속에서 고화되어 버려서 토너의 공급성 및 대전성이 저하되어 화상에 나타나는 백그라운드 현상 및 농도 불균일 현상과 현상롤러의 토너 회수성능을 저하시키는 문제점이 있다.In order to supply the toner to the developing roller 30 during one cycle as described above, the entire supply roller 20 was supplied with toner by applying a constant voltage from the outside using a urethane sponge-based roller having a simple conical shape. As the developing roller 30 and the supply roller 20 are continuously pressed and rotated at a constant pressure, the toner stuck in the hole of the sponge does not come out but is solidified in the hole, thereby degrading the supplyability and chargeability of the toner. There is a problem that the background development and density unevenness appearing in the image and the toner recovery performance of the developing roller are lowered.
본 고안은 상기에 나타난 종래의 문제점을 해결하고자 하는 것으로, 토너를 공급하는 종래의 단순한 원추형 롤러를 브러쉬 형태로 바꾸어 브러쉬의 탄성을 이용하여 토너가 현상롤러를 지나는 순간 털어주고 동시에 밖으로 빼내어 줌으로서 사용된 토너는 새로운 토너와 섞이게 된다.The present invention aims to solve the above-mentioned problems, and converts the conventional simple conical roller supplying the toner into a brush form, and uses the elasticity of the brush to shake off the toner at the moment passing through the developing roller and simultaneously pull it out. Toner is mixed with new toner.
따라서, 현상롤러에 새로운 토너의 공급이 원활이 이루어지고 대전성도 향상시키는 데 그 목적이 있다.Therefore, the purpose is to smoothly supply new toner to the developing roller and to improve the chargeability.
도 1은 일반적인 전자사진현상방식의 기기 구성도,1 is a device configuration diagram of a general electrophotographic development method,
도 2는 종래에 사용중인 전자사진현상방식의 구조도,2 is a structural diagram of an electrophotographic development method used in the prior art;
도 3은 본 고안에 따른 전자사진현상방식의 실시도이다.3 is an embodiment of an electrophotographic development method according to the present invention.
도면의주요부분에대한부호의설명Explanation of symbols on the main parts of the drawing
10 : 감광드럼 20 : 공급롤러10: photosensitive drum 20: feed roller
30 : 현상롤러 40 : 블레이드30: developing roller 40: blade
50 : 토너 교반기 60 : 대전롤러50: toner stirrer 60: charging roller
본 고안은 상기 목적을 달성하기 위한 것으로, 도 3에 도시된 바와 같이 기기 본체에 내장되어 있는 구동계로부터 동력을 전달받아 회전되도록 감광특성을 가지는 감광드럼(10)과, 인자의 각 신호를 빛 에너지로 노광시키는 광원부와, 광원부를 통해 입사되는 광원에 의하여 생성된 감광드럼의 전기적 잠상에 토너를 부착시켜 주는 현상롤러(30)와, 상기 감광드럼(10)의 표면을 일정한 전하로 대전시켜 주는 대전롤러(60)와, 상기 현상롤러(30)에 의하여 감광드럼(10)에 부착되는 토너를 균일하게 도포되도록 조정하는 블레이드(40)가 설치되고, 기존의 원추형에서 브러쉬 형태로 형성된 공급롤러(20)와, 또한 현상롤러(30)와 접촉 및 압착하면서 미세토너를 초기 저장 상태에서 공급롤러(20)로 공급시켜 주는 토너 교반기(50)를 포함하여 구성한다.The present invention is to achieve the above object, as shown in Figure 3, the photosensitive drum 10 having a photosensitivity characteristic to be rotated by receiving power from a drive system embedded in the main body of the device, and each signal of the print light energy A light source unit for exposing to a light source, a developing roller 30 for attaching toner to an electrical latent image of a photosensitive drum generated by a light source incident through the light source unit, and a charging for charging the surface of the photosensitive drum 10 with a constant charge A roller 60 and a blade 40 for adjusting the toner attached to the photosensitive drum 10 by the developing roller 30 to be uniformly applied are provided, and the supply roller 20 formed in the form of a brush in a conventional conical shape is provided. And a toner stirrer 50 for supplying the fine toner to the feed roller 20 in the initial storage state while contacting and pressing the developing roller 30.
상기와 같이 구성된 본 고안의 동작을 설명하면 감광드럼(10)은, 기기본체에 내장되 있는 구동계로부터 동력을 전달받아서 시계방향으로 회전하게되고, 대전롤러(60)에 의해 감광드럼(10)을 대전시키고, 광원부의 광원에 의해 잠상을 형성시키면 형성된 잠상은 현상롤러(30)를 통과하면서 가시화 되고 이는 미 도시된 전사롤러를 통해 종이로 옮겨지고 정착기구를 통과하면서 완전한 한 주기를 행하게 되고, 브러쉬 형상의 공급롤러(20)는 현상롤러로(30)의 일정한 토너 공급과 동시에 토너의 마찰대전을 일으키게 되며, 현상 후, 현상롤러(30)의 잔상을 크리닝 시켜주는 역할을 하게된다.Referring to the operation of the present invention configured as described above, the photosensitive drum 10 is rotated in the clockwise direction by receiving power from a drive system built in the device body, the charging roller 60 to the photosensitive drum 10 After charging and forming a latent image by the light source of the light source unit, the latent image formed is visualized while passing through the developing roller 30, which is transferred to paper through a transfer roller (not shown) and passes through the fixing mechanism to perform a complete cycle. The feed roller 20 having the shape causes frictional charging of the toner at the same time as the constant supply of the toner to the developing roller 30, and after development, serves to clean the residual image of the developing roller 30.
아울러. 현상롤러(30)를 지나는 순간 브러쉬의 탄성을 이용하여 사용된 토너를 털어주고 동시에 밖으로 빼내어 새 토너와 섞어서 공급하므로서 토너의 공급성 및 대전성을 향상시킨다.together. At the moment passing through the developing roller 30, the used toner is shaken off and at the same time taken out to be mixed with the new toner to be supplied, thereby improving the supplyability and chargeability of the toner.
본 고안의 공급롤러는 브러쉬 형상으로 현상롤러와 접하여 반대방향으로 회전함으로서 현상롤러의 잔상을 크리닝 시켜주어 화상에 발생하는 현상롤러 주기의 이중현상을 없애고, 브러쉬의 탄성을 이용하여 현상롤러룰 지나는 순간에 현상롤러의 잔상을 털어주고 바로 이어 밖으로 빼냄으로서 새로운 토너와 섞어서 공급할 수 있어 공급롤러의 토너 공급을 원활히 하고 대전성을 향상시키는 효과를 가진다.The feed roller of the present invention is brush-shaped and rotates in the opposite direction by contacting the developing roller to clean the residual image of the developing roller, eliminating the double phenomenon of the developing roller cycle occurring in the image, and passing the developing roller by using the elasticity of the brush. It is possible to mix the new roller with the new toner by brushing off the afterimage of the developing roller and immediately pulling it out of the developing roller, thereby facilitating the supply of the toner of the supply roller and improving the chargeability.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019960037937U KR19980024548U (en) | 1996-10-31 | 1996-10-31 | Feed roller device of electrophotographic development method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019960037937U KR19980024548U (en) | 1996-10-31 | 1996-10-31 | Feed roller device of electrophotographic development method |
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| Publication Number | Publication Date |
|---|---|
| KR19980024548U true KR19980024548U (en) | 1998-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR2019960037937U KR19980024548U (en) | 1996-10-31 | 1996-10-31 | Feed roller device of electrophotographic development method |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR19980024548U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100495638B1 (en) * | 2002-05-29 | 2005-06-14 | 주식회사 인바이포 | A developing apparatus |
-
1996
- 1996-10-31 KR KR2019960037937U patent/KR19980024548U/en not_active Application Discontinuation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100495638B1 (en) * | 2002-05-29 | 2005-06-14 | 주식회사 인바이포 | A developing apparatus |
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