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    • 3. 发明授权
    • 내마모성 향상을 위한 열수축튜브용 팽창관
    • 用于提高耐磨性的热收缩管膨胀管
    • KR100563847B1
    • 2006-03-24
    • KR1020040095089
    • 2004-11-19
    • 주식회사 엘에스
    • 이태중최인식권영일정병관
    • F16L53/00F28F1/00
    • 본 발명은 진공챔버내에 구성되어 예열튜브의 팽창이 이루어지는 팽창관에 관한 것으로, 진공챔버에 내장되면서 좌/우측몸체(11.12)가 중심축(13)을 따라 접혀지거나 상호 형합되어 튜브의 수용공간(14)을 형성하며 그 둘레면에 진공상태의 내압을 걸어주기 위한 다수개의 진공홀(15)이 형성된 몸체부(10)와; 상기 몸체부(10)의 상단부에 나사식으로 체결되어 진공챔버의 입구측에 고정되며 그 중심부에 어댑터(21)가 설치된 결합부(20) 및; 상기 몸체부(10)의 하단부에 나사식으로 체결되어 진공챔버의 출구측을 실링하는 가이드부(30)를 포함하고; 상기 수용공간(14)의 내벽면에 튜브와 직접 접촉되는 코팅부(40)가 도포되어져, 예열튜브의 마찰에 의한 팽창관의 마모 및 손상이 최소화되어 수명이 연장됨은 물론 팽창관의 유지 및 보수에 따른 작업공수 및 부대비용이 절감될 뿐만 아니라 인취튜브의 길이방향 연신과 연신율의 편차가 최소화되어 제품 품질이 향상됨은 물론 생산성이 증대되게 한 것이다.
      팽창관, 몸체부, 결합부, 가이드부, 코팅부, 예열튜브
    • 本发明包括在真空室中对膨胀管扩张是由预加热管,如在真空室引入左/右体(11.12)是或彼此hyeonghap沿着中心轴13折叠接收所述管的空间( 主体10,其具有用于在其圆周表面中形成真空的多个真空孔15; 联接部分20,其拧在​​主体部分10的上端并固定到真空室的入口侧,并且在其中心处具有适配器21; 以及引导部分(30),其拧在主体部分(10)的下端上以密封真空室的出口侧; 与管直接接触的涂覆部分40被施加到容纳空间14的内壁表面以最小化由于预热管的摩擦引起的膨胀管的磨损和损坏, 不仅本发明的工作成本和附带成本降低,而且拉伸管的纵向伸长率和伸长率的变化也被最小化,从而提高了产品质量并提高了生产率。
    • 4. 发明授权
    • 비산화분위기를 가능케하는 탄소 저항로
    • 石墨电阻炉提供非氧化气氛
    • KR100507626B1
    • 2005-08-10
    • KR1020020075668
    • 2002-11-30
    • 주식회사 엘에스
    • 이대성김정민장규성서재태권영일배상준황석우
    • C03B37/029
    • C03B37/029C03B2205/63
    • PURPOSE: Provided is a graphite resistance furnace which prevents oxidation of a heating element and formation of scoots by blocking the flow outside air into the furnace. Accordingly, the furnace manufactures optical fibers in optimum condition. CONSTITUTION: The graphite resistance furnace for manufacturing optical fibers contains the parts of: a furnace shell(10) with an inlet and an outlet to which an optical fiber preform tube(100) is pierced; a cylindrical graphite heating element(11) forming a outer space between shell and heating element; an electrode(12) close to the ends of heating element; a rigid insulation canister(13), made of graphite felt, placed between graphite heating element and shell; a muffle tube forming sleeves(15) inducing inert gas to flow to the heating part for preventing the inside of the furnace from oxidizing, wherein the muffle tube whose diameter at the furnace inlet is smaller than that at the furnace outlet, is inserted into a hollow of the heating element and the preform tube is passed through the muffle tube; a first flow passage(21) where the inert gas flows into an outer space of the heating element from the outside; a second flow passage(22) where the inert gas flown through the first passage flows to an inner space of the heating element; a third flow passage(23), placed between heating element and muffle tube, where the inert gas is flown into the inside of the heating element. The mechanical device blocking the inflow of outside air contains the parts of: a chamber where the inert gas is sprayed; a cylindrical covering part, surrounding the optical preform, forming a passage where the inert gas flows; spraying holes where the inert gas is sprayed against the preform to block the inflow of air.
    • 5. 发明公开
    • 경계지점 수분제거를 위한 RIT 공정방법
    • 管道(RIT)中的ROD(RIT)方法,用于去除水和管的空气中的水分
    • KR1020040023914A
    • 2004-03-20
    • KR1020020055363
    • 2002-09-12
    • 주식회사 엘에스
    • 박지상박래혁권영일황석우
    • C03B37/012
    • C03B37/01248
    • PURPOSE: Provided is a rod in tube(RIT) process for removing moisture in the gap between quartz tube and primary preform by heating under vacuum in manufacturing of optical fiber preforms. CONSTITUTION: The RIT process comprises the steps of: (i) preparing a primary optical fiber preform(10) and a quartz tube(12) with a diameter larger than outer diameter of the primary preform; (ii) inserting the primary preform into the hollow quartz tube and melting the end of the tube with a torch(15); (iii) applying negative pressure to be less than 1atm of pressure between primary preform and quartz tube with a vacuum generator(14) for joining the melted end of the tube and the primary tube and preferably rotating primary preform and quartz tube in a rate of 60rpm or less to improve alignment of primary preform and quartz tube; (iv) moving the torch up and down along the quartz tube over 10min under negative pressure for vaporizing moisture between primary preform and quartz tube, wherein the temperature of the torch is under 2000deg.C and the moving rate is 10mm/min to prevent cracking of quartz tube; (v) moving the torch up and down along the tube for shrinking the tube thermally and fusing quartz tube to primary preform.
    • 目的:提供一种管(RIT)工艺,用于通过在制造光纤预制件的过程中真空加热来除去石英管和初级预制件之间的间隙中的水分。 构成:RIT工艺包括以下步骤:(i)制备直径大于初级预型件外径的主光纤预制件(10)和石英管(12); (ii)将初级预制件插入中空石英管中并用割炬(15)熔化管的端部; (iii)使用真空发生器(14)将初级预制件和石英管之间的负压施加在小于1atm的压力下,用于将管的熔化端和主管接合,并且优选地旋转初级预制棒和石英管,转速为 60rpm以下,以改善初级预制件和石英管的对准; (iv)在负压下在10分钟内沿着石英管上下移动焊炬,蒸发初级预制件和石英管之间的水分,其中焊炬的温度低于2000℃,移动速率为10mm / min以防止开裂 的石英管; (v)沿着管子上下移动割炬,使管子热收缩并将石英管熔合到初级预制件上。
    • 6. 发明授权
    • 고속인선용 광섬유 피복장치
    • 고속인선용광섬유피복장치
    • KR100423236B1
    • 2004-03-18
    • KR1020010065822
    • 2001-10-24
    • 주식회사 엘에스
    • 배상준권영일김철민윤세명
    • G02B6/00
    • PURPOSE: An optical fiber coating apparatus for high speed withdrawal is provided to prevent coating error of an optical fiber according to external air inflow. CONSTITUTION: The first die(50a) and the second die(50b) are installed in sequence along a withdrawal direction for an optical fiber(20) to be passed and coated. A vacuum pump(60) is installed on the back of the second die for vapors to rise to the surface of an inner cover of the optical fiber, and causes relative pressure difference according to the withdrawal position. The third die(80a) and the fourth die(80b) are installed in serial with the withdrawal direction and are filled with an inner coating material supplied from the second inflow hole(70). And the fifth die(90b) is installed in serial with the fourth die, and is filed with an outer coating material supplied from the third inflow hole(90a).
    • 目的:提供一种用于高速抽出的光纤涂覆装置,以防止根据外部空气流入的光纤涂层错误。 组成:第一模具(50a)和第二模具(50b)沿着抽出方向依次安装,以使光纤(20)通过并涂覆。 真空泵(60)安装在第二模具的背面,用于蒸气上升到光纤内盖的表面,并根据抽出位置产生相对压力差。 第三模具(80a)和第四模具(80b)与抽出方向串联安装,并填充有从第二流入孔(70)供应的内部涂料。 并且第五模具(90b)与第四模具串联安装,并且填充有从第三流入孔(90a)供应的外部涂层材料。
    • 7. 发明授权
    • 코어프리폼과 클래드 튜브 접합시 경계면에서의 수분침투방지방법
    • 코어프리폼과클래드튜브접합시경계면에서의수분침투방지방
    • KR100398070B1
    • 2003-09-19
    • KR1020010067239
    • 2001-10-30
    • 주식회사 엘에스
    • 권영일배상준
    • G02B6/00
    • PURPOSE: A method for preventing moisture from penetrating from an interface during the joining between a core preform and a clad tube is provided to guide the flare to the outside of gap formed between a wedge type tube and a clad type tube as well as to couple the wedge type tube to the clad type tube under the condition to combine with employing the gas burner utilizing oxygen/hydrogen gas as a thermal source, thereby preventing the increase of OH-loss. CONSTITUTION: A method for preventing moisture from penetrating from an interface during the joining between a core preform and a clad tube includes the steps of: joining a wedge type tube(7) to the other side of a handle tube(6), removing the moisture existing at the inner sides of a clad type tube(2), the wedge type tube(7) and the handle tube(6) after the handle tube(6), the clad type tube(7) and the wedge type tube(7) are cleaned, and coupling the wedge type tube(7) to the core preform(4) by heating with the gas burner with rotating the handle tube(6) as well as pressing a vacuum force in the clad type tube(2).
    • 目的:提供一种防止湿气在纤芯预制棒和包层管之间的接合过程中从界面渗入的方法,以将该喇叭形波导引导到在楔形管和包层管之间形成的间隙的外部, 在使用氧气/氢气的气体燃烧器作为热源的条件下,将楔形管连接到包层管,从而防止OH-损失的增加。 构成:在纤芯预制件与包层管之间的接合期间防止湿气从界面渗透的方法包括以下步骤:将楔形管(7)连接到手柄管(6)的另一侧,去除 (6),包层管(7)和楔形管(6)之后存在于包层管(2),楔形管(7)和手柄管(6) 通过旋转手柄管(6)以及在包层管(2)中按压真空力,通过用气体燃烧器加热将楔形管(7)连接到芯预制件(4) 。
    • 8. 发明授权
    • 고효율 광섬유 냉각 장치
    • 고효율광섬유냉각장치
    • KR100379891B1
    • 2003-04-11
    • KR1020010011498
    • 2001-03-06
    • 주식회사 엘에스
    • 배상준권영일김길선
    • G02B6/00
    • PURPOSE: A high-efficiency optical fiber cooling apparatus is provide to improve the cooling efficiency by keeping a cooling gas inside the cooling apparatus and increasing the density of the refrigerant gas. CONSTITUTION: A refrigerant gas pump(8) sprays a refrigerant gas from an upper portion of a cooling apparatus(4) toward an inside thereof. A refrigerant gas input unit(9) supplies the refrigerant gas from an external of the cooling apparatus(4) to the refrigerant gas pump(8). A diffuser(10) is composed of a space of expanded section so as to buffer an outflow of the refrigerant gas. A refrigerant gas supplying unit(6) for cooling the optical fiber by continuously supplying the refrigerant gas to an inside of the cooling apparatus(4), is formed on the center of a wall of the cooling apparatus(4).
    • 目的:提供一种高效光纤冷却装置,通过在冷却装置内保持冷却气体并增加致冷剂气体的密度来提高冷却效率。 构成:制冷剂气体泵(8)将制冷剂气体从冷却装置(4)的上部向内部喷射。 制冷剂气体输入单元(9)从制冷装置(4)的外部向制冷剂气体泵(8)供应制冷剂气体。 扩散器(10)由膨胀部分的空间构成,以便缓冲制冷剂气体的流出。 在冷却装置(4)的壁的中央形成有用于通过将制冷剂气体连续地供应到冷却装置(4)的内部来冷却光纤的制冷剂气体供应单元(6)。
    • 9. 发明授权
    • 광섬유 냉각장치
    • 光纤冷却系统
    • KR100345378B1
    • 2002-07-26
    • KR1020000061909
    • 2000-10-20
    • 주식회사 엘에스
    • 배상준권영일김길선
    • G02B6/00
    • 본 발명은 광섬유 냉각장치에 관한 것으로, 상세하게는 광섬유 인출장치의 용융로로부터 인선된 광섬유를 냉각시켜주는 광섬유 냉각장치에서 냉각유체의 흐름을 층류화시키는 그물망을 갖는 흐름 조절부와, 층류화된 냉각유체를 완전히 층류화시켜 광섬유를 냉각시키는 덕트가 구성되어 직접냉각방식에 의해 고온의 광섬유를 대기온도로 냉각시키는 광섬유 냉각장치에 관한 것이다.
      본 발명에 따르면 대량생산을 위래 광섬유의 인선속도가 급격히 증가하여도 강제대류방식과 광섬유의 진동억제에 따라 충분한 냉각이 이루어져 광섬유 제조장치의 생산성이 향상된다.
      그리고, 냉각장치의 높이를 높이거나 냉각 유체의 사용량을 특별히 높이지 않으면서도 광섬유의 품질향상과 공정안정이 이루어져 제품의 생산성이 향상되는 효과가 있다.