KR100339385B1 - A tub in drum-type washing machine - Google Patents
A tub in drum-type washing machine Download PDFInfo
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- KR100339385B1 KR100339385B1 KR1020000020707A KR20000020707A KR100339385B1 KR 100339385 B1 KR100339385 B1 KR 100339385B1 KR 1020000020707 A KR1020000020707 A KR 1020000020707A KR 20000020707 A KR20000020707 A KR 20000020707A KR 100339385 B1 KR100339385 B1 KR 100339385B1
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- Prior art keywords
- tub
- drum
- washing machine
- coupled
- bearing housing
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Classifications
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/26—Casings; Tubs
- D06F37/267—Tubs specially adapted for mounting thereto components or devices not provided for in preceding subgroups
- D06F37/269—Tubs specially adapted for mounting thereto components or devices not provided for in preceding subgroups for the bearing of the rotary receptacle
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F23/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry
- D06F23/02—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry and rotating or oscillating about a horizontal axis
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/02—Rotary receptacles, e.g. drums
- D06F37/04—Rotary receptacles, e.g. drums adapted for rotation or oscillation about a horizontal or inclined axis
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/20—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations
- D06F37/22—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations in machines with a receptacle rotating or oscillating about a horizontal axis
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/26—Casings; Tubs
- D06F37/261—Tubs made by a specially selected manufacturing process or characterised by their assembly from elements
- D06F37/262—Tubs made by a specially selected manufacturing process or characterised by their assembly from elements made of plastic material, e.g. by injection moulding
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
Abstract
본 발명은 드럼세탁기의 터브에 관한 것으로, 드럼세탁기의 터브의 후방부 구조를 개선하여 조립 및 제작이 용이하며, 상대적으로 가벼운 드럼세탁기의 터브를 제공할 수 있도록 한 것이다.The present invention relates to a tub of a drum washing machine, to improve the structure of the rear portion of the tub of the drum washing machine is easy to assemble and manufacture, to provide a relatively light drum washing tub.
이를 위해 본 발명은, 원통형의 터브중심부와, 이 터브중심부의 전방에 결합되는 터브전방부 및, 상기 터브중심부의 후방에 결합되는 터브후방부로 이루어진 스테인레스 스틸로 된 터브와; 상기 터브 내측에 설치되는 드럼과; 상기 드럼의 후단부에 연결되어 모터의 구동력을 드럼에 전달하는 드럼축과; 상기 드럼축의 외주면 상에 결합되는 베어링 및; 상기 베어링이 내설되며, 상기 터브후방부의 중앙에 결합되는 베어링하우징을 구비한 드럼세탁기에 있어서, 상기 터브후방부와 베어링하우징은 플라스틱 재질로 일체로 형성된 것을 특징으로 하는 드럼세탁기의 터브가 제공된다.To this end, the present invention, a tub made of stainless steel consisting of a cylindrical tub center portion, a tub front portion coupled to the front of the tub center portion, and a tub rear portion coupled to the rear of the tub center portion; A drum installed inside the tub; A drum shaft connected to the rear end of the drum and transmitting a driving force of the motor to the drum; A bearing coupled to an outer circumferential surface of the drum shaft; In the drum washing machine having the bearing internally mounted and having a bearing housing coupled to the center of the tub rear portion, the tub rear portion and the bearing housing are provided with a tub of the drum washing machine, wherein the tub housing is formed integrally with a plastic material.
Description
본 발명은 드럼세탁기에 관한 것으로서, 더욱 상세하게는 드럼세탁기의 터브에 관한 것이다.The present invention relates to a drum washing machine, and more particularly to a tub of the drum washing machine.
일반적으로, 드럼 세탁 방식은 세제와 세탁수 및 세탁물이 드럼 내에 투입된 상태에서, 모터의 구동력을 전달받아 회전하는 드럼과 세탁물의 마찰력을 이용하여 세탁을 행하는 방식으로서, 세탁물의 손상이 거의 없고, 세탁물이 서로 엉키지 않으며, 두드리고 비벼빠는 세탁효과를 낼 수 있다.In general, the drum washing method is a method in which the laundry is performed using the friction force of the rotating drum and the laundry by receiving the driving force of the motor while the detergent, the washing water, and the laundry are put in the drum. These don't get tangled with each other, and can be washed and pounded.
도 1을 참조하여 종래 드럼세탁기의 구조에 대해 설명하면 다음과 같다.Referring to the structure of a conventional drum washing machine with reference to Figure 1 as follows.
도 1은 종래의 드럼세탁기 구성을 나타낸 종단면도로서, 캐비닛(1) 내측에 스테인레스 스틸 재질로 된 원통형의 터브(2; tub)가 설치되고, 상기 터브(2) 내측에는 원통형의 드럼(3)이 회전가능하게 설치된다.1 is a vertical cross-sectional view showing a conventional drum washing machine, wherein a tub (2; tub) made of stainless steel is installed inside the cabinet (1), and a tub (drum 3) is installed inside the tub (2). This is rotatably installed.
그리고, 상기 터브(2) 하부 일측에는 모터(5)가 설치되고, 상기 모터(5)에는 모터 풀리(51)가 축연결된다.In addition, a motor 5 is installed at one side of the tub 2, and a motor pulley 51 is axially connected to the motor 5.
한편, 상기 드럼(3) 후방에는 드럼축(31)이 설치되고, 상기 드럼축(31) 후단에는 드럼 풀리(32)가 설치되는데, 이 드럼 풀리(32)는 동력전달요소인 벨트(6)를 매개로 모터(5)에 연결된 모터 풀리(51)와 연결되어 회동하게 된다.Meanwhile, a drum shaft 31 is installed at the rear of the drum 3, and a drum pulley 32 is installed at the rear end of the drum shaft 31. The drum pulley 32 is a belt 6 which is a power transmission element. It is connected to the motor pulley 51 connected to the motor 5 by the rotation.
그리고, 상기 캐비닛(1) 상부면 내측과 터브(2) 외주면 상부측 사이에는 터브(2)를 지지하는 서스펜션 스프링(24)(suspension spring)이 설치되고, 상기 캐비닛(1) 하부면 내측과 터브(2) 외주면 하부측 사이에는 탈수시 발생하는 터브(2)의 진동을 감쇠시키기 위한 프릭션 댐퍼(25)가 설치된다.In addition, a suspension spring 24 supporting the tub 2 is installed between the inside of the upper surface of the cabinet 1 and the upper side of the outer peripheral surface of the tub 2, and the inside of the lower surface of the cabinet 1 and the tub. (2) A friction damper 25 is provided between the lower side of the outer circumferential surface to damp the vibration of the tub 2 generated during dehydration.
한편, 상기 터브(2)는, 터브의 전방부를 형성하는 터브전방부(21)와, 터브의 측벽부를 이루는 터브중심부(22) 및, 터브의 후방부를 형성하는 터브후방부(23)로 이루어지는데, 상기 터브후방부(23)의 중심부에는 상기 드럼(3)의 후방에 설치된 드럼축(31)이 관통하면서 결합하는 베어링(4a, 4b)이 설치되는 베어링하우징(4)이 고정되게 조립된다.On the other hand, the tub 2 is composed of a tub front portion 21 forming the front portion of the tub, a tub center portion 22 forming the side wall portion of the tub, and a tub rear portion 23 forming the rear portion of the tub, In the center of the tub rear part 23, a bearing housing 4 is installed to which bearings 4a and 4b, which are coupled to each other, penetrates the drum shaft 31 installed at the rear of the drum 3, are fixed.
상기 베어링하우징(4)은 그 외주면에 서로 120°간격으로 이격되어 방사상으로 연장된 3개의 결합용 날개부(41)가 일체로 형성되는바, 이 결합용 날개부(41)의 단부가 상기 터브중심부(22) 후단부에 고정브라켓(42) 및 볼트(43)에 의해 체결됨으로써 터브후방부(23)에 고정되게 조립된다.The bearing housing 4 is integrally formed with three coupling wings 41 extending radially and spaced apart from each other by 120 ° on the outer circumferential surface thereof, the end of the coupling blade 41 being the tub The rear end portion of the central portion 22 is fixed to the tub rear portion 23 by being fastened by the fixing bracket 42 and the bolt 43.
한편, 상기 터브(2)는 그 후방에 스테인레스 스틸로 된 터브후방부(23)와 모터(5)가 장착되기 때문에 터브(2) 자체에 무게의 불균형이 발생하게 되는바, 터브(2)의 전방부에는 상기와 같은 무게의 불균형을 방지하기 위한 밸런스 웨이트(26)가 설치된다.On the other hand, since the tub 2 is equipped with a tub rear portion 23 and a motor 5 made of stainless steel at the rear thereof, an unbalance of weight occurs in the tub 2 itself. The front portion is provided with a balance weight 26 for preventing such weight imbalance.
그러나, 상기와 같은 스테인레스 스틸 재질로 된 종래의 터브(2)는, 상기 터브전방부(21)와 터브중심부(22) 및 터브후방부(23) 각각이 서로 용접되어 제작되고, 이렇게 제작된 터브(2)의 터브후방부(23)에 개별체로 제작된 베어링하우징(4)을 조립한 후, 상기 드럼축(31)과 드럼 풀리(32)를 결합하도록 하였으므로, 드럼(3)과 터브(2)를 조립함에 있어서 작업시간이 많이 소요되고, 이에 따라 생산성이 저하되는 문제점이 있었다.However, in the tub 2 made of stainless steel as described above, the tub front part 21, the tub center part 22, and the tub rear part 23 are each welded to each other, and thus the tub is manufactured. After assembling the bearing housing 4 made as an individual in the tub rear part 23 of (2), the drum shaft 31 and the drum pulley 32 were coupled so that the drum 3 and the tub 2 In assembling) takes a lot of work time, thereby reducing the productivity.
또한, 상기 터브(2)의 제작시 터브중심부(22)와 터브후방부(23) 조립작업이 용접작업으로 이루어지므로, 용접에 요구되는 시간이 많이 소요될 뿐만 아니라, 용접불량 등에 의해 용접부위에 누수 등이 발생할 경우 보수가 거의 불가능하여 불량품을 폐기해야 하고, 이에 따라 재료비 등의 제반비용이 증가하게 되는 문제점도 있었다.In addition, since the tub central portion 22 and the tub rear portion 23 assembly work is performed by welding when the tub 2 is manufactured, it takes a lot of time required for welding and leaks in the welded portion due to poor welding. In this case, the repair is almost impossible, so the defective product must be discarded, and accordingly, various costs such as material costs increase.
그리고, 터브의 후방부가 무거운 스테인레스 스틸로 되어 있음으로 인해, 터브의 전방부에 장착되는 밸런스 웨이트의 무게가 증가하게 되는 문제점도 수반되었다.In addition, since the rear portion of the tub is made of heavy stainless steel, there is also a problem that the weight of the balance weight mounted on the front portion of the tub is increased.
이에 본 발명은 상기와 같은 제반 문제점을 해결하기 위해 안출된 것으로, 드럼세탁기의 터브의 후방부 구조를 개선하여 조립 및 제작이 용이하며, 상대적으로 가벼운 드럼세탁기의 터브를 제공함에 그 목적이 있다.Accordingly, the present invention has been made to solve the above-mentioned problems, it is an object of the present invention to improve the structure of the rear portion of the tub of the drum washing machine, easy to assemble and manufacture, to provide a relatively light drum washing tub.
도 1은 종래의 드럼세탁기 구성을 나타낸 종단면도1 is a longitudinal sectional view showing a conventional drum washing machine configuration
도 2는 본 발명에 따른 드럼세탁기의 터브의 구성을 나타낸 종단면도Figure 2 is a longitudinal cross-sectional view showing the configuration of the tub of the drum washing machine according to the present invention.
도면의 주요부분에 대한 부호의 설명Explanation of symbols for main parts of the drawings
230 - 터브후방부 231 - 보강리브230-Tub rear 231-Reinforcement rib
4a - 전방베어링 4b - 후방베어링4a-Front Bearing 4b-Rear Bearing
400 - 베어링하우징 401, 402 - 단차부400-Bearing housings 401, 402-Stepped
상기한 목적을 달성하기 위해 본 발명은, 원통형의 터브중심부와, 이 터브중심부의 전방에 결합되는 터브전방부 및, 상기 터브중심부의 후방에 결합되는 터브후방부로 이루어진 스테인레스 스틸로 된 터브와; 상기 터브 내측에 설치되는 드럼과; 상기 드럼의 후단부에 연결되어 모터의 구동력을 드럼에 전달하는 드럼축과; 상기 드럼축의 외주면 상에 결합되는 베어링 및; 상기 베어링이 내설되며, 상기 터브후방부의 중앙에 결합되는 베어링하우징을 구비한 드럼세탁기에 있어서, 상기 터브후방부와 베어링하우징은 플라스틱 재질로 일체로 형성된 것을 특징으로 하는 드럼세탁기의 터브가 제공된다.In order to achieve the above object, the present invention is a stainless steel tub consisting of a tub center portion, a tub front portion coupled to the front of the tub center portion, and a tub rear portion coupled to the rear of the tub center portion; A drum installed inside the tub; A drum shaft connected to the rear end of the drum and transmitting a driving force of the motor to the drum; A bearing coupled to an outer circumferential surface of the drum shaft; In the drum washing machine having the bearing internally mounted and having a bearing housing coupled to the center of the tub rear portion, the tub rear portion and the bearing housing are provided with a tub of the drum washing machine, wherein the tub housing is formed integrally with a plastic material.
이하, 본 발명에 따른 드럼세탁기의 터브의 일 실시예를 첨부된 도면 도 2를 참조하여 상세히 설명한다. 아래에서 설명하는 드럼세탁기의 구성요소 중 앞에서 도 1을 참조로 설명한 종래의 드럼세탁기의 구성요소와 동일하거나 유사한 구성요소에는 동일한 참조부호를 부여하며 그 상세한 설명은 생략한다.Hereinafter, an embodiment of a tub of a drum washing machine according to the present invention will be described in detail with reference to the accompanying drawings. Among the components of the drum washing machine described below, the same or similar components as those of the conventional drum washing machine described with reference to FIG. 1 are given the same reference numerals, and detailed description thereof will be omitted.
도 2에 도시된 바와 같이, 본 발명에 따른 드럼세탁기는, 캐비닛(1) 내측에 설치되는 원통형의 터브(200)와, 상기 터브(200) 내측에 회전가능하게 설치되는 드럼(3)과, 상기 드럼(3)의 후단부에 고정되게 결합되어 모터(5)의 구동력을 드럼(3)에 전달하는 드럼축(31)을 구비하며, 상기 터브(200)의 후방부 외측에는 상기 드럼축(31)의 단부와 결합되는 드럼 풀리(32)가 구비되는데, 이 드럼 풀리(32)는 모터(5)에 축연결된 모터 풀리(51)와 동력전달수단인 벨트(6)를 매개로 하여 연결된다.As shown in FIG. 2, the drum washing machine according to the present invention includes a cylindrical tub 200 installed inside the cabinet 1, a drum 3 rotatably installed inside the tub 200, The drum shaft 31 is fixedly coupled to the rear end of the drum 3 to transmit the driving force of the motor 5 to the drum 3, and the drum shaft outside the rear of the tub 200. 31 is provided with a drum pulley 32 coupled to an end of the drum pulley 32, which is connected to the motor pulley 51 axially connected to the motor 5 via a belt 6, which is a power transmission means. .
참고로, 드럼이 모터에 의해 직접적으로 구동되는 경우에 드럼축의 단부는 직결식 모터와 직접 결합된다.For reference, when the drum is directly driven by the motor, the end of the drum shaft is directly coupled with the direct type motor.
한편, 상기 터브(200)는, 스테인레스 스틸로 된 원통형의 터브중심부(22)와, 이 터브중심부(22)의 전방에 용접 결합되는 스테인레스 스틸로 된 터브전방부(21)와, 상기 터브중심부(22)의 후방에 결합되게 되는 터브후방부(230)로 이루어진다.On the other hand, the tub 200 is a tub tub portion 22 made of stainless steel, a tub front portion 21 made of stainless steel welded to the front of the tub center portion 22, and the tub center portion ( 22 is made of a tub rear portion 230 to be coupled to the rear.
이 때, 상기 터브후방부(230)의 중심부에는 상기 드럼축(31)이 관통하게 되는 베어링하우징(400)이 일체로 형성되며, 상기 베어링하우징(400) 내의 전방 및 후방에는 상기 드럼축(31)을 회동가능하게 지지하기 위한 전방베어링(4a) 및 후방베어링(4b)이 각각 설치된다.In this case, a bearing housing 400 through which the drum shaft 31 penetrates is integrally formed at the center of the tub rear portion 230, and the drum shaft 31 is disposed at the front and rear sides of the bearing housing 400. ), The front bearing 4a and the rear bearing 4b are rotatably provided.
여기서, 상기 베어링하우징(7)은 그 내주면의 전,후방에 각각 설치되는 전방베어링(4a) 및 후방베어링(4b)을 지지하여 각 베어링이 상기 베어링하우징(400) 내에서 이탈되지 않도록 하기 위한 단차부(401, 402)가 각각 형성된다.Here, the bearing housing 7 supports the front bearing 4a and the rear bearing 4b respectively installed at the front and rear of the inner circumferential surface thereof so that each bearing is not separated from the bearing housing 400. Units 401 and 402 are formed, respectively.
그리고, 상기 터브후방부(230)는 중량을 가볍게 하기 위하여 그의 내부는 빈 공간으로 형성되는바, 이 터브후방부(230)의 내부에는 강도를 보강하기 위하여 다수의 보강리브(231)가 일체로 형성된다.In addition, the tub rear portion 230 is formed in an empty space in order to lighten the weight, the inside of the tub rear portion 230, a plurality of reinforcing ribs 231 integrally to reinforce the strength Is formed.
상기 터브후방부(230)는 나사 등의 체결수단(미도시)에 의해 상기 터브중심부(22)의 후단부에 고정되게 결합된다.The tub rear portion 230 is fixedly coupled to the rear end of the tub center portion 22 by a fastening means (not shown) such as a screw.
한편, 본 발명은 상기한 실시예에 한정되지 않으며, 본 발명의 기술 사상의 범주를 벗어나지 않는 한 치수 및 형상, 재질의 변경이 가능함은 물론이다.On the other hand, the present invention is not limited to the above-described embodiment, it is a matter of course that changes in dimensions, shapes, materials can be made without departing from the scope of the technical idea of the present invention.
이상에서와 같이 본 발명에 따르면, 드럼세탁기의 터브후방부가 베어링하우징과 일체로 성형되어 제작되므로, 터브후방부를 터브중심부에 조립시 용접작업을 하지 않고 나사 등의 체결수단으로 간단히 조립이 이루어짐과 더불어, 베어링하우징을 별도로 조립하는 과정이 생략됨으로써, 제작이 단순화되고 불량률이 저하되어 생산성이 향상될 수 있게 된다.As described above, according to the present invention, since the tub rear part of the drum washing machine is molded and manufactured integrally with the bearing housing, the tub rear part is simply assembled by a fastening means such as screws without welding when the tub rear part is assembled to the tub center. By eliminating the process of assembling the bearing housing separately, the production is simplified and the defect rate is lowered, thereby improving productivity.
또한, 터브후방부와 베어링하우징이 상대적으로 가벼운 플라스틱 재질의 사출물로 제작되므로 무게가 감소되고, 이에 따라 터브 전방에 부착되는 밸런스 웨이트의 무게도 함게 감소되므로, 드럼세탁기의 전체적인 무게를 줄일 수 있는 효과도 있다.In addition, since the rear of the tub and the bearing housing are made of a relatively light plastic injection molding, the weight is reduced, and thus the weight of the balance weight attached to the front of the tub is also reduced, thereby reducing the overall weight of the drum washing machine. There is also.
Claims (2)
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020000020707A KR100339385B1 (en) | 2000-04-19 | 2000-04-19 | A tub in drum-type washing machine |
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| Application Number | Priority Date | Filing Date | Title |
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| KR1020000020707A KR100339385B1 (en) | 2000-04-19 | 2000-04-19 | A tub in drum-type washing machine |
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| KR20010096993A KR20010096993A (en) | 2001-11-08 |
| KR100339385B1 true KR100339385B1 (en) | 2002-06-01 |
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