baber/WOPTO huggingface dataset:
Patent KR-20090048718-A (KR)
Inventor: SEOK KIL HYEON
IPC: F02D41/02
Filed: 2007-11-12
Abstract: 본 발명은 한 명의 정비사가 대형 버스의 엔진을 점검할 수 있도록 함과 아울러, 대형 버스의 엔진을 점검하는 한 명의 정비사를 보호할 수 있도록 한 대형 버스의 엔진 점검 장치 및 방법에 관한 것이다. 
       
     대형 버스, 엔진, 점검, ECU, 시동, 가속, 감속
Patent KR-20090048799-A (KR)
Inventor: PARK KI MIN
IPC: F02M31/12
Filed: 2007-11-12
Abstract: 본 발명은 차량용 인젝터의 퇴적물제거장치에 관한 것으로, 보다 상세하게는 장시간 연소환경에 노출되어 카본과 같은 각종 퇴적물이 달라붙어 정상적인 분사가 이루어지지 않는 인젝터에 예열플러그의 열을 이용하여 퇴적물이 제거되도록 한 차량용 인젝터의 퇴적물제거장치에 관한 것이다. 
     상술한 본 발명은, 연소실의 공기를 가열하는 발열부를 갖는 예열플러그와, 상기 연소실에 연료를 분사하는 인젝터가 구비된 차량에 있어서,  
     반복되는 연소환경으로 인하여 상기 인젝터에 붙어서 고착된 퇴적물이 제거되도록, 상기 예열플러그의 발열부는 상기 인젝터 쪽으로 연장되어 상기 발열부의 열을 통해 상기 인젝터에 붙은 퇴적물이 연소되도록 한 것을 특징으로 하는 차량용 인젝터의 퇴적물제거장치를 제공한다.
Patent KR-20090049465-A (KR)
Inventor: LIM HEUI SEOK
IPC: G06Q50/26
Filed: 2007-11-13
Abstract: 본 발명에 따른 사용자 요청 라우팅 시스템은, 관공서, 공공기관 등의 조직의 전산설비에 통신가능하게 연결된 단말기; 상기 조직에 대해 사용자가 상담 또는 민원질의를 요청할 경우에 상기 단말기를 통해 질의를 입력받고 그 질의에 관련된 담당자의 리스트를 출력하는 입출력 인터페이스 수단(11); 입출력 인터페이스 수단(11)을 통해 전달된 질의의 내용을 분석하는 질의분석수단(12); 조직내의 담당자들의 담당 업무분야에 관한 프로파일(profile) 레코드를 저장 및 관리하는 담당자 프로파일 데이터베이스(103); 담당자 프로파일 데이터베이스(103)를 관리하는 담당자 등록 및 변경수단(102); 질의에 관련된 업무를 담당하는 담당자를 담당자 프로파일 데이터베이스(103)에서 검색하는 담당자 검색수단(101); 담당자 검색수단(101)에서 찾아진 담당자가 현재 상담 가능한 상태에 있는지를 체크하여 현재 상담 가능한 담당자들의 리스트를 단말기로 전송하는 담당자 상태 체크수단(104); 및 전화, 메신저 및 인터넷전화(VoIP)를 포함한 통신방법들 중의 적어도 하나 이상의 통신방법으로 사용자와 담당자를 연결시켜 양자간의 대화가 가능하도록 하는 상담 인터페이스 수단(105);을 포함한다. 본 발명은 사용자의 요청에 최적합한 담당자를 찾아 전화연결 해 주거나 혹은 인터넷을 이용한 대화가 가능하게 하므로 행정서비스의 질을 높이고 고객만족도를 향상시킬 수 있는 장점이 있다.  
     
     민원인, 고객, 콜센터, 구청, 관공서, 행정기관, 질의, 라우팅, 상담, 지식관리시스템, P2P, 프로파일
Patent KR-20090052978-A (KR)
Inventor: LEE GEON HO
IPC: F04B27/08
Filed: 2007-11-22
Abstract: 본 발명은 가변용량 사판식 압축기에 관한 것으로, 다수개의 실린더 보어를 갖는 실린더 블록, 상기 실린더 블록에 결합되는 하우징, 상기 하우징을 관통하여 실린더 블록에 회전 가능하게 지지되는 구동축, 상기 하우징 내의 구동축에 설치되는 러그 플레이트와 상기 러그 플레이트에 의해 경사 유동되며 피스톤을 실린더 보어 내에서 왕복 운동시키는 사판을 포함하는 가변용량 사판식 압축기에 있어서, 상기 러그 플레이트의 후면에는 사판을 향하여 동력전달부가 돌출되게 형성되되, 상기 동력전달부의 아래쪽에는 스토퍼부가 연장되게 형성되며, 상기 사판의 전면에는 러그 플레이트의 동력전달부와 걸림되는 걸림 돌출부가 돌출되게 형성되되, 상기 걸림 돌출부의 하측에는 사판의 최대 경사각에서 상기 스토퍼부에 맞닿는 규제 돌기가 형성된다. 이에 따라, 최대 경사각의 규제가 용이하고, 추가로 사용되는 부품이 필요 없으므로 재료비 절감이 가능하다. 
       
     러그 플레이트, 사판, 스토퍼면
Patent KR-20090054130-A (KR)
Inventor: SEO KANG SOO
IPC: F16H3/44
Filed: 2007-11-26
Abstract: 단순유성기어셋트로 이루어지는 제1 유성기어셋트와 2개의 단순유성기어셋트의 조합으로 이루어지는 제2 유성기어셋트를 3개의 클러치와 2개의 브레이크로 조합하여 전진 6속 및 후진 1속을 구현할 수 있도록 함으로써, 자동 변속기의 구성을 간단히 하고, 동력 전달 성능을 향상시키며, 연비를 저감시킬 수 있도록 한 차량용 자동 변속기의 기어 트레인을 제공함에 있다. 
     
     유성기어셋트, 선기어, 유성 캐리어, 링기어, 클러치, 브레이크
Patent KR-20090055387-A (KR)
Title: Food composition comprising methanol extracts from avocado
Inventor: LEE SEONG KYU
IPC: A23L33/00
Filed: 2007-11-28
Abstract: A functional food composition containing avocado extract is provided to show excellent antioxidant activity and apoptosis induction activity and to prevent cancer such as hormone-independent breast cancer, heart diseases and senility. A functional food composition with excellent antioxidant activity and apoptosis induction activity comprises avocado extracts from avocado skins, seeds or flesh. The avocado extracts are prepared by extracting avocado in methanol. More than 0.15wt% of avocado skin is added. More than 0.7wt% of avocado seed is added. More than 17.9wt% of avocado flesh is added. The functional food composition additionally contains sitologically allowable additives. The functional food composition shows apoptosis induction activity to a MDA-MB-231 cell strain of hormone-independent breast cancer.
Patent KR-20090057562-A (KR)
Title: Manufacturing method of nonflammable magnesium board
Inventor: KOO JUNG WAN
IPC: E04B1/94
Filed: 2007-12-03
Abstract: An embossing type non-combustible interior material and a manufacturing method thereof are provided to improve the workability in the construction. An embossing type non-combustible interior material comprises: a non-combustible magnesium board(12); and a finishing material(14) with embossing pattern, located in one side of the non-combustible magnesium board. The finishing material is made from stone powder, wood dust, fire-retardant, binder, release agent, plasticizer and pigment. A manufacturing method of the embossing type non-combustible interior material: a step of covering the finishing material on the non-combustible magnesium board; a step of pressing the non-combustible magnesium board with the finishing material using a roller press(20) having an embossing part on the surface; a step of pressing the non-combustible magnesium board with the finishing material to form the embossing pattern; and a step of drying the non-combustible magnesium board for specific time.
Patent KR-20090058837-A (KR)
Title: Fuel cell system and hydrogen purge method thereof
Inventor: OH SUNG JIN
IPC: H01M8/04
Filed: 2007-12-05
Abstract: A fuel cell system is provided to prevent flooding generated in the inside of a fuel cell stack by hydride fuzzy operation, and to steadily supply hydrogen even when load is drastically increased. A fuel cell system includes a fuel cell stack(10) generating electric energy by reacting hydrogen and oxygen electrochemically; a hydrogen supply part supplying the hydrogen to the fuel cell stack; and a purge control part(40) controlling the flow of hydrogen passing through the fuel cell stack. The hydrogen supply part comprises a hydrogen supply valve(22) which is installed at a hydrogen supply line of the fuel cell stack and selectively is opened and closed according to the external control signal. The purge control part comprises a purge valve(41) and a buffer tank(42).
Patent KR-20090058838-A (KR)
Title: Oil jacket core of cylinder head mold for lower casting
Inventor: KONG MAN SEOK
IPC: B22D18/04
Filed: 2007-12-05
Abstract: An oil jacket core of a cylinder head mold for low-pressure casting is provided to reduce manufacturing cost by removing a process for processing and assembling of core print and core neck. An oil jacket core(120) of a cylinder head mold for low-pressure casting forms an oil jacket of the cylinder head comprised of a side mold(101,103) on either side. The oil jacket core comprises the followings: a core block(121) forming the oil jacket and each mounting recess(105) on the top of a side mold; a mounting unit(123) formed on either side of the core block; and a mounting protrusion(125) installing the core block between the side mold and mounted on the bottom of the each mounting unit.
Patent KR-20090053656-A (KR)
Title: 일광건조에 의한 고점도의 탈색된 백색의 키토산 및 그의제조방법
Inventor: NO HONG KYOON
IPC: C08B37/08
Filed: 2007-12-12
Abstract: 본 발명은 일광건조에 의한 고점도의 탈색된 백색의 키토산 및 그의 제조방법에 관한 것으로, 키토산 제조공정 중 탈색단계를 생략하고 탈아세틸화 후 일광건조에 의하여 제조된 키토산 및 그의 제조방법에 관한 것이다. 본 방법에 의하여 키토산 제조시 생산비용을 절감할 수 있고 보다 간편하며, 제조된 키토산은 색상이 우수하고, 고점도 및 고품질을 갖는 바 식품, 의약, 생물화학 산업상 매우 유용한 발명이라 할 것이다. 
       
     일광건조, sun-drying, 키토산, 탈색
Patent KR-20090062044-A (KR)
Title: Organic-inorganic composite polymer electrolytemembrane for fuel cells and its preparation method for enhancement of proton conductivity
Inventor: PARK JIN SOO
IPC: H01M8/10
Filed: 2007-12-12
Abstract: An organic-inorganic composite polymer electrolyte membrane for fuel cells is provided to ensure excellent ion conductivity, proton conductivity and performance of the fuel cell. An organic-inorganic composite polymer electrolyte membrane for fuel cells comprises the steps of: (a-1) pre-treating a hydrocarbon-based polymer; (b-1) dissolving the polymer prepared from (a-1) step in the sulfuric acid; (c-1) cooling the sulfonated hydrocarbon polymer formed from (b-1) step, and then precipitating the polymer in distilled water and washing it; (d-1) sulfonating the washed sulfonated hydrocarbon polymer to manufacture the polymer; (e-1) washing the polymer obtained from (d-1) step and drying the polymer in vacuum; (a-2) dissolving the polymer obtained from (e-1) step in an organic solvent including a proton conductive polymer, and mixing a precursor or a sol-gel process to obtain a mixture; (b-2) maintaining and stirring the mixture obtained from (a-2) step to a constant temperature; (c-2) casting and drying the product obtained from (b-2) step in a membrane form; and (d-2) sulfating the membrane obtained from (c-2) step to prepare the membrane substituted in a hydrogen ion form and then drying the membrane to obtain the organic-inorganic composite polymer electrolyte membrane.
Patent KR-20090071054-A (KR)
Title: Manufacturing method for polystyrenefoam board
Inventor: JANG SANG JUN
IPC: B29C44/08
Filed: 2007-12-27
Abstract: A method for manufacturing a polystyrene foam board is provided to dispose gas easily by dissolving the gas in water rapidly and ejecting it and to adjust the thickness of a board material and prevent corrugation and twist of a sheet attached to the board material. A method for manufacturing a polystyrene foam board comprises a step of foaming the surface of a foaming polystyrene board material(10) while passing the board material through the heated water in a water tub(21)(S20), a step of keeping the surface of the foamed board material flat(S30), a step of removing the moisture included in the flattened board material(S40), and a step of foaming the non-foamed part of the board material from which the moisture is removed(S50).
Patent KR-20090071138-A (KR)
Title: Billet reheating furnace
Inventor: WON TAI SHIK
IPC: F27B9/00
Filed: 2007-12-27
Abstract: A furnace for a rolling material is provided to compensate the longitudinal direction temperature deflection of the rolling material by varying the material heating environment. A furnace for a rolling material comprises a pre-heating table(30), a heating table(50) and an uniform-heating table(70) arranged to the outlet direction from the inlet direction of a rolling material(10) in order to heat the rolling material. The uniform-heating table is partitioned in order to compensate for the longitudinal direction temperature deflection in the rolling of the extraction material. The rolling material is made of the wire rod rolling material. The uniform-heating table includes a baffle(90) mounted to the outlet direction of the heated rolling material and thermocouples(71a,71b). The thermocouples is connected to a temperature sensor(73) connected with a furnace controller(C). The furnace controller controls the each temperature of the divided uniform-heating table by connecting to a fuel supply unit(97) of a burner(95).
Patent KR-20090071220-A (KR)
Title: Image sensor and method for manufacturing thereof
Inventor: PARK JI YONG
IPC: H04N5/369
Filed: 2007-12-27
Abstract: An image sensor and a manufacturing method thereof are provided to improve the image performance by delivering the electrons generated from the vertical type photodiode through the anodic bonding region. A circuit including a transistor(120) is formed in a substrate(100). An anodic bonding region(140) is formed at one side of transistor. The first conductivity type region(147) of high concentration is formed on the anodic bonding region. A photodiode(220) is formed on the circuit. The photodiode comprises an intrinsic layer(223) electrically connected to the circuit, and the second conductive type conductive layer(225) formed on the intrinsic layer. The circuit comprises a wiring(150).
Patent KR-20090072793-A (KR)
Title: Spin chuck
Inventor: KIM SUN KAK
IPC: H01L21/687
Filed: 2007-12-28
Abstract: A spin chuck is provided to prevent a corrosion phenomenon due to chemical and to improve an adhesive force between a mask and a base by arranging an o-ring part made of silicon material on a surface of the base. A mask is arranged in a base(300). A rotation axis(325) is connected to a central part of a rear surface of the base, and rotates the base. A mask bracket(310) is arranged in each edge of the base, and fixes the mask. An o-ring part(315) made of silicon material is arranged on a surface of a center of the base, and attaches the mask to the base. A vacuum line is arranged inside the rotation axis, exhausts a vacuum pressure in the base, and absorbs the mask into a base direction.
Patent KR-20090072810-A (KR)
Title: Aberration measurement mask and the method for aberration measurement using the same
Inventor: LEE HYE MI
IPC: H01L21/027
Filed: 2007-12-28
Abstract: An aberration measurement mask and an aberration measurement method using the same are provided to measure influence of a coma aberration at various pitches by measuring an aberration through a pattern for measuring the aberration of a radial shape. A mask for measuring an aberration including a pattern for measuring the aberration of a radial shape extended based on one side of a substrate is arranged on an AIMS(Aerial Image Measurement System) apparatus including a lens system and an image plate(S100). A data is collected by measuring and irradiating a light on the pattern for measuring the aberration through the AIMS apparatus(S110). A spherical aberration and a coma aberration are calculated by the collected data(S120). The calculated aberration is reflected in a mask which is transferred on a wafer(S130).
Patent KR-20070021309-A (KR)
IPC: H01L21/3065
Filed: 2005-07-19
Abstract: 반도체 기판 상에 게이트 절연막용의 절역막을 개재하여 다결정 실리콘막(5)을 형성(스텝 S1)한 후, 다결정 실리콘막(5) 상에 유기계의 반사 방지막(21)을 형성하고(스텝 S2), 반사 방지막(21) 상에 레지스트 패턴(22)을 형성한다(스텝 S3).  그리고 나서, 반도체 기판에 바이어스 전압을 인가하면서 플로로 카본계의 가스를 이용한 플라즈마에 의해 보호막(23)을 레지스트 패턴(22)을 덮도록 반사 방지막(21) 상에 퇴적시킨다(스텝 S4).  그리고, 산소 가스를 포함하는 가스를 이용한 플라즈마에 의해 보호막(23) 및 반사 방지막(21)을 에칭한다(스텝 S5).  그 후, 엣지 러프니스가 저감된 레지스트 패턴(22)을 에칭 마스크로서 이용하여 다결정 실리콘막(5)을 에칭하여, 게이트 전극을 형성한다(스텝 S6).   
       
     다결정 실리콘막, 반사 방지막, 레지스트 패턴, 보호막, 반도체 기판, 게이트 전극, 절연막, 컨택트 홀, 실리사이드막, 플러그, 배리어막, 배선층,
Patent KR-20070029282-A (KR)
Title: Method and system for automatically optimizing zone duct damper positions
Inventor: SHAH RAJENDRA
IPC: F24F3/044
Filed: 2005-06-23
Abstract: A control is functional to perform a method of determining a maximum desired airflow for each of a plurality of zones in a multi-zone HVAC system, and an expected airflow to those zones. In part, these determinations are based upon an algorithm that calculates the relative size of the ducts leading to each of the zones. The expected and maximum airflows are compared for each of the zones, and if any zone has an expected airflow that exceeds its maximum airflow, certain steps are taken to reduce airflow to that zone. ® KIPO & WIPO 2007
Patent KR-20070044445-A (KR)
Inventor: UEMURA IKUO
IPC: E03F5/00
Filed: 2004-08-02
Abstract: 종래의 합류식 하수도의 빗물 토출실에서는 유입되는 부유성 협잡물이 우천시에 차집관으로 유입되지 않고 공공용 수역으로 유출되어 공공용 수역의 수질 오탁의 원인 중의 하나가 되고 있다. 본 발명의 배수 장치용 와류식 수면 제어 장치에 있어서는 합류식 하수도의 빗물 토출실에 있어서의 유입관(2)의 개구와 차집관(3)의 개구 사이에 그 높이를 적어도 분수 방죽(1)의 높이 보다 높게 한 제어판(6)을 설치한다. 또한, 상기 유입관(2)의 개구와 분수 방죽(1) 사이에 상기 분수 방죽을 따라 그 높이를 적어도 상기 분수 방죽(1)의 높이 보다 높게 한 가이드 월(7)을 설치한다.  
       
     배수 장치용 와류식 수면 제어 장치
Patent KR-20070057828-A (KR)
Title: On demand, non-capacity based process, apparatus and computer program to determine maintenance fees for disk data storage system
Inventor: HOOD ROBERT ALLEN
IPC: G06F11/34
Filed: 2005-09-15
Abstract: In one aspect the invention provides a signal bearing medium tangibly embodying a program of machine-readable instructions that are executable by a digital processing apparatus to perform operations to determine a maintenance fee for a data storage system. The operations include monitoring at least one data storage device during operation of the data storage system to determine a duty cycle and determining a current value of the maintenance fee based at least in part on the determined duty cycle. In a further disk drive-based embodiment the operations may include, or be instead, determining a disk drive redundancy configuration of disk drives of a data storage system. The operations then compare the determined duty cycle to a threshold value and assert a redundancy configuration change signal based on the result of the comparison. For a RAID configuration embodiment having a RAID level, the asserting operation asserts a RAID level change signal based on the result of the comparison.
Patent KR-20070067090-A (KR)
Title: Semiconductor device
Inventor: MIYATA OSAMU
IPC: H01L23/48
Filed: 2005-09-26
Abstract: A semiconductor device is provided with a semiconductor chip having a functional plane wherein a functional element is provided; an electrode pad arranged directly above the functional element, on the functional plane of the semiconductor chip; a protecting resin layer stacked on the functional plane of the semiconductor chip; an external connecting terminal provided at a position facing the electrode pad, on the protecting resin layer; and a post which is provided by penetrating the protecting resin layer in a direction where the electrode pad and the external connecting terminal face, for connecting the electrode pad with the external connecting terminal.
Patent KR-20070061860-A (KR)
Title: Internal combustion engine air amount estimation device
Inventor: TANAKA SATORU
IPC: F02D45/00
Filed: 2005-09-01
Abstract: An air amount estimation device includes models M2 to M7 built according to a physical law. The device estimates pressure Pic and temperature Tic of the air in an intercooler by considering a first energy Ecm given by a supercharger (91) (compressor (91a)) to the air supplied to an intercooler (45) by a compressor model M4 and an intercooler model M5 and a second energy exchanged between the wall of the intercooler and the air in the intercooler. According to the estimated pressure and temperature of the air in the intercooler, an air amount KLfwd in the cylinder at a moment after the current point is estimated.
Patent KR-20070046987-A (KR)
Title: Piston for an internal combustion engine
Inventor: MCLACHLAN PAUL ANTHONY
IPC: F02B55/02
Filed: 2001-03-23
Abstract: A pivoted piston for an internal combustion engine. The piston has a pivot pin (14) and an arcuate first sealing surface 12 which describes a circumferential path about the pivot pin (14) which forms a removable and replaceable skirt to the piston. The piston also includes a second arcuate sealing surface (13) which also describes a circumferential path about the pivot pin and which is connected to the first arcuate sealing surface by a piston floor (21). The second arcuate sealing surface (13) is composed of at least two arcuate sealing components (24) which are located on a bed (20) with the components being located on the bed (20) so they will have limited transverse movement on the bed (20). The components (24) have mating faces which restrict the path of combustion gases between the mating faces. The piston further includes side seals (62) which are located in grooves (63) in the side of the piston. A restraining pin (60) assists in locating the seals (62) in the seal grooves and also closes a pressure escape path for the combustion gases. The piston further includes means to allow liquid coolant to pass through the pivot shaft 14, through liquid cooling galleries in the piston and out o the pivot shaft 14.
Patent KR-20070095869-A (KR)
Title: Shoe sole composed of polyamide resin composition and shoe using same
Inventor: FUKAWA NORIO
IPC: C08K7/10
Filed: 2005-10-25
Abstract: Disclosed is a shoe sole material having excellent flex fatigue resistance wherein high rigidity is achieved without increasing the specific gravity. Also disclosed is a shoe using such a shoe sole material. Specifically disclosed is a shoe, in particular an athletic shoe using a polyamide resin composition, which is characterized in that a layered silicate is uniformly dispersed in a polyamide resin and the inorganic ash content in the polyamide resin composition is 0.1-30% by mass, as a material for shoe soles (10, 20).
Patent KR-20070084237-A (KR)
Title: Method and system for determining the amplitude and/or phase of the output signal of a transmission link as a function of the amplitude of the input signal
Inventor: PLAUMANN RALF
IPC: H04L27/18
Filed: 2005-11-15
Abstract: A method and system for determining the amplitude and/or phase of the output signal of a transmission link (14) according to the amplitude of the input signal (AM-AM and AM-PM characteristics). The response signal (e(t)) emanating from a test signal as a result of amplitudes and/or phase distortion in the transmission link (14) is determined with respect to the associated amplitude characteristics (|e(t)|) and/or associated phase characteristics (fE(t)) according to the test signal (s(t)). According to the invention, only the amplitude characteristic (|e(t)|) and/or phase characteristic (fE(t)) of the response signal (e(t)) are measured.
Patent KR-20080044797-A (KR)
Title: Methods and apparatus for optimizing a tcp session for a wireless network
Inventor: IYER MAHADEVAN
IPC: H04L12/56
Filed: 2005-11-23
Abstract: A plurality of network characteristics of a wireless network are determined and a plurality of TCP session parameters are updated. The network characteristics may be determined based at least in part on a comparison of the estimated bandwidth and estimated propagation delay of the wireless network and the typical bandwiths and propagation delays of one or more wireless networks. The TCP session parameters may be updated based at least in part on the network characteristics. The TCP session parameters may be used to limit the congestion window, retransmission timeout and slow start threshold.
Patent KR-20070086707-A (KR)
Title: Device for adjusting tolerances when fastening an add-on to a base
Inventor: GOMBERT STEPHANE
IPC: F16B5/02
Filed: 2005-11-08
Abstract: The invention relates to a device for adjusting tolerances when fastening an add-on to a base. Said device comprises a retaining element (1) that can be connected to the base, and an elongate adjusting bushing (8) that is in contact with the add-on, can be displaced in relation thereto and comprises a channel (11) for accommodating a connecting element that can be connected to the add-on. The retaining element (1) and the adjusting bushing (8) are connected to each other in a freely displaceable manner via wall sections (6, 7) that are smooth across a path of displacement. The channel (11) of the adjusting bushing (8), in a direction at an angle to the longitudinal direction, has a larger dimension than the diameter of a connecting element. The retaining element (1) is flexible across at least one intermediate section between a fastening area (2) with the base and an accommodating area for the adjusting bushing (8), thereby allowing a simple assembly and excellent tolerance adjusting properties.
Patent KR-20070101259-A (KR)
Title: Tear resistant shrink film
Inventor: VERROCCHI ANTHONY
IPC: B32B27/08
Filed: 2005-12-01
Abstract: A shrink film includes an internal layer including a styrene/butadiene/styrene block copolymer; and first and second outer layers including an olefinic polymer. First and second intermediate layers including an ethylene copolymer having a melt index less than 4.0 can be optionally included. Alternatively, a shrink film includes an internal layer including an ehtylene copolymer having a melt index less than 4.0; a first and second intermediate layer each including a styrene/butadiene/styrene block copolymer; and a first and second outer layer each including an olefinic polymer. Film of the invention has a free shrink of from 40% to 80% at 240%F, and an Elmendorf tear of from 70 grams/mil to 300 grams/mil, in at least one of the longitudinal and transverse directions.