baber/WOPTO huggingface dataset:
Patent KR-20110127899-A (KR)
Title: Temporal interpolation of three dimension depth image method and apparatus
Inventor: LEE SEUNG KYU
IPC: H04N7/36
Filed: 2010-05-20
Abstract: PURPOSE: A 3D depth video time interpolation method and apparatus thereof are provided to enable a user to acquire a high accuracy 3D video by integrating a depth video with a color video in a desired time. CONSTITUTION: A temporal interpolation unit(140) interpolates depth videos in which are created from a depth camera according to a temporal interpolation method. A middle depth video creation unit(150) creates a middle depth video at a new time. A movement area extraction unit(120) extracts a movement area which includes a moving object in the depth video. A relation acquisition unit(130) acquires a relation within the extracted movement area.
Patent KR-20110131043-A (KR)
Inventor: LEE MIN SEOK
IPC: H05K3/40
Filed: 2010-05-28
Abstract: 본 발명은 인쇄회로기판의 제조방법 및 그 결과물에 관한 것으로, 특히 제1금속층에 실장된 전자소자칩의 주위를 매립하는 제1절연층과 내층회로기판, 제2금속층을 적층하는 1단계와 상기 제1절연층 내부의 내층회로기판의 회로패턴과 제1및 제2금속층을 전기적으로 연결하는 도통홀을 레이저 비아(laser via)로 가공하고 금속물질을 충진하는 2단계, 그리고 상기 제1 및 제2금속층을 가공하여 제1 및 제2회로패턴을 형성하는 3단계를 포함하는 것을 특징으로 한다. 
본 발명에 따르면, 전자부품이 내방되는 매립형 인쇄회로기판의 회로 층간의 연결을 메탈범프로 구현하지 않고, 레이저 비아(Laser Via)로 구현하되, 부품이 내방되는 층에 다층의 내층 회로가 내삽될 수 있는 제조공정을 제공할 수 있는 효과가 있다.
Patent KR-20110135543-A (KR)
Title: Caulking jig for socket
Inventor: LEE SANG GEUN
IPC: F21Y101/02
Filed: 2010-06-11
Abstract: PURPOSE: A caulking jig for a socket is provided to reduce a failure rate in an assembling process by pressing a socket to a lamp base and supplying a caulking jig. CONSTITUTION: In a caulking jig for a socket, a jig part is inserted to a socket to be coked in a lamp base. A coking pin(130) is slid in the jig part and cokes the socket inserted into the jig part into the lamp base. A cylindrical press boss(114) is formed in the upper part of a cylindrical bed(112) together with. A pressure needle is protruded from the end of a body in horizontal.
Patent KR-20110136313-A (KR)
Inventor: KIM DEOK HEUNG
IPC: H01L21/306
Filed: 2010-06-14
Abstract: 본 발명은, 피식각층이 형성된 기판에 포토리소그래피 공정에 의해 형성된 포토레지스트 패턴을 마스크로 하여 에칭용액을 이용하여 상기 피식각층을 선택적으로 에칭하는 과정을 포함한, 등방성 에칭을 이용한 미세패턴의 형성방법에 있어서, 상기 피식각층에 대한 선택적 에칭과정은, (a) 상기 피식각층에 대한 제1 등방성 에칭을 수행하는 단계; (b) 상기 포토레지스트 패턴의 상부를 부분적으로 용해시켜, 제1 등방성 에칭에 따른 피식각층의 측면 에칭 영역으로 부분 용해된 포토레지스트를 도포하는 단계; 및 (c) 상기 피식각층에 대해 제2 등방성 에칭을 수행하는 단계를 포함하는 것으로 특징으로 하는, 등방성 에칭을 이용한 미세패턴의 형성방법에 대해 개시한다. 본 발명에 따를 때, 포토레지스트 패턴에 대한 부분용해 및 도포과정을 수반하여 등방성 에칭 과정을 다단으로 수행하여, 미세패턴의 상부폭과 하부폭 사이 편차가 감소시킴으로써, 종래 일반적인 등방성 에칭에 의한 미세패턴 구현시 패턴 폭에 대한 기술적인 한계를 극복할 수 있다.
Patent KR-20100136932-A (KR)
Title: Defect repairing method and apparatus
Inventor: YAMAUCHI YOSHIHIKO
IPC: B24B47/20
Filed: 2010-06-18
Abstract: PURPOSE: A defect correction method and a device, capable of the reduction of running costs by improving the utilization ratio of a tape, is provided to reduce running costs by using the entire surface of a grinding tape for grinding process. CONSTITUTION: A defect correction a device comprises a stage(14), a grinding unit and a first mobile tool. The stage holds and maintains a work(13). The first mobile tool relatively transfers the grinding unit toward the work of the stage in a first direction meeting at right angle with a traveling direction of a grinding tape(42). A head chip contacts the grinding tape to the surface of the work.
Patent KR-20120001357-A (KR)
Title: Method for providing application service in wireless network and system thereof
Inventor: JIN SUNG IL
IPC: H04W12/06
Filed: 2010-06-29
Abstract: PURPOSE: An application service supplying method and system thereof are provided to supply an application service, which a smart phone desires, to an application server through subscriber information. CONSTITUTION: A gateway obtains connection information including an IP address of a mobile terminal, an IMSI(International Mobile Subscriber Identity), and an MSISDN(Mobile Station International ISDN Number) by the request of a mobile terminal. A connection information providing server(140) receives access information from the gateway. The connection information providing server transmits subscriber information to the mobile terminal by the request of the mobile terminal. An application server(150) supplies subscriber information if the mobile terminal requests an application service.
Patent KR-20120002347-A (KR)
Title: A print control apparatus and method capable of improving security and utilization of document
Inventor: WOO JONG HYUN
IPC: G06F21/31
Filed: 2010-06-30
Abstract: PURPOSE: A document printing managing device for enhancing the security and the usability of a printed document and a method thereof, and a recording medium are provided to print information for a printing right and reuse when a document is printed, thereby enhancing the security and usability of a printed document. CONSTITUTION: An image generating unit(120) adds additional printing information and printed document reuse information, which are related to a file, to the content of the file to generate a printed image. A transmission unit(130) transmits the printed image to a printer driver. An authority authenticating unit authenticates a right with which a user prints a file to be requested for print. The additional printing information includes printing file name information, printing user check information, printing user team information, temporary printing information, and printing terminal information.
Patent KR-20120003735-A (KR)
Title: Shoes
Inventor: KIM CHA HO
IPC: A43B23/08
Filed: 2010-07-05
Abstract: PURPOSE: Shoes are provided to improve the walk stability and the wearing satisfaction of a user by preventing the unfastening of the shoes during walking. CONSTITUTION: Shoes include soles(11) which are in contact with the ground. Mid soles(12) of pre-determined thicknesses are combined with the upper sides of the soles and absorb impacts. Upper leathers(13) are combined with the upper circumferences of the mid soles and secure the outer appearance of the shoes. Correcting parts(14) are arranged at the rear sides of the upper leathers and pressurizes the rear upper sides of the upper leathers to the diagonal lower sides in order to closely attached to the shoes to the heels of a user.
Patent KR-20120006837-A (KR)
Title: The holder contracting structure for a remote control battery cover lossing prevention
Inventor: KIM SANG SEOK
IPC: H04Q9/00
Filed: 2010-07-13
Abstract: PURPOSE: A holder coupling structure for preventing the loss of a remote battery cover is provided to eliminate the projection unit of a holder by coupling the holder with a remote battery cover. CONSTITUTION: A holder insertion hole(22) is formed at the center part of a cover coupling unit(21). A cover supporting unit(23) is projected to the front side of the cover coupling unit. A remote battery cover unit(20) is coupled with a holder, the holder is inserted into the holder insertion hole. When the holder is pulled to an external direction, a curved surface support unit and a holder vertical unit supports the supports the both sides of the cover coupling unit. A horizontal bar and a holder coupling unit support the cover coupling unit.
Patent KR-20120009342-A (KR)
Title: The nozzle for chemical injection in SNCR system
Inventor: SONG JAE JUN
IPC: B01D53/56
Filed: 2010-07-23
Abstract: PURPOSE: A reducing agent spraying nozzle for a selective non-catalytic reduction(SNCR)-based nitrogen oxide treating system is provided to optimize the spraying distance of a reducing agent regardless of the internal space size of a boiler. CONSTITUTION: A reducing agent spraying nozzle for a nitrogen oxide treating system is applied for an SNCR system for treating nitrogen oxides in exhaust gas from a boiler. The droplet size of a reducing agent is arbitrary adjusted by adjusting the supplying pressures of air and the reducing agent. The spraying nozzle includes a mixer, a nozzle tip, and a pressure adjustor. The mixer mixes the air and the reducing agent. The nozzle tip sprays the reducing agent in a droplet form. The pressure adjustor is respectively arranged at the supplying sides of the air and the reducing agent in the mixer.
Patent KR-20120013059-A (KR)
Title: Apparatus for preventing deviation of strip coating
Inventor: KIM HYUNG TAE
IPC: B05C11/10
Filed: 2010-08-04
Abstract: PURPOSE: An apparatus for preventing coating deviation on a resin coated steel plate is provided to adjust the coating amount of the resin solution with respect to the steel plate. CONSTITUTION: A penetrating case(110) includes a space part through which a steel plate passes. An upward inducing unit(120) is elevately installed at the upper side of the penetrating case and upwardly induces the steel plate based on magnetic force. A downward inducing unit(130) is elevately installed at the lower side of the penetrating case and downwardly induces the steel plate based on magnetic force.
Patent KR-20120013570-A (KR)
Inventor: KIM YONG KON
IPC: G11B31/02
Filed: 2010-08-05
Abstract: 노래제목의 한글 자음을 이용한 노래방 기기 노래번호 지정 방법 
본 발명은 노래방 기기의 노래 번호 지정 방법이다. 
노래방에서 노래를 선택하려면 노래번호를 모르기 때문에 해당 노래번호를 노래번호 책에서 찾아서 입력해야된다. 따라서 노래방에는 노래번호 책이 항시 비치되어야하며, 어두운 실내에서 그 책을 보고 번호를 찾기가 쉽지 않다. 노래 번호가 일정한 체계에 의해 지정되어 진다면 노래번호 책을 따로 비치할 필요도 없고 어두운 곳에서 번호를 찾는 수고를 할 필요가 없다. 
노래 제목을 알면 누구나 그 노래의 번호를 알 수 있어 노래방에서 노래번호 책이 필요없이 원하는 노래번호를 입력할 수 있는 노래 번호 부여 방법을 제시하는 방법이다. 
상기 목적을 달성하기 위하여, 본 발명은 한글의 각 자음에 1 부터 9까지의 번호를 부여하고, 노래 제목의 초성에 해당하는 번호를 나열하여 노래번호를 지정한다. 즉, 자음 별 부여 번호는 다음과 같다. 
1 = ㄱ,ㅋ,ㄲ, 2 = ㄴ, 3 = ㄷ,ㅌ, ㄸ, 4 = ㄹ, 5 = ㅁ, 6 = ㅂ, ㅃ, ㅍ, 7 = ㅅ, ㅆ, 8 = ㅇ, ㅎ, 9 = ㅈ, ㅉ, ㅊ, 0 = 구분 자(제목이 같을 경우 0을 붙인 뒤에 가수이름에 해당하는 숫자를 붙인다.) 노래 번호 지정 방법은 아래와 같다. 
긴 머리 소녀 둘다섯	15472 
본 발명을 통하여 노래 제목을 알면 누구나 그 노래의 번호를 알 수 있어, 노래방에서 선곡을 할 때 노래 제목의 초성 자음에 해당하는 노래번호를 입력하면 선곡을 할 수 있어, 노래 번호 책에서 노래 제목 및 그 노래에 해당하는 번호를 찾는 불편이 개선될 뿐만 아니라, 방마다 노래번호 책을 비치할 필요가 없으며, 노래번호 책을 따로 제작하는 비용이 절약된다.
Patent KR-20110044134-A (KR)
Title: Method and apparatus for accurately measuring currents using on chip sense resistors
Inventor: PATRICK SULLIVAN
IPC: G01R19/165
Filed: 2010-08-11
Abstract: PURPOSE: A method and an apparatus for accurately measuring currents are provided to compensate errors due to the resistance change caused by the temperature change of a process. CONSTITUTION: An IC(100) comprises a control block(102), a measurement block(104), and a compensation block(106). The control block receives a voltage display signal and a current display signal of the measurement block. The control block flows the current of the measurement block through a replica resistor. The measurement block comprises an on-chip sense resistor. The measurement block actually receives load current from an output terminal.
Patent KR-20120018913-A (KR)
Title: Preparation of biodegradable microparticles with structural complexity on the surface and inside
Inventor: CHO KUK YOUNG
IPC: A61K9/16
Filed: 2010-08-24
Abstract: PURPOSE: A manufacturing method of a biodegradable microsphere is provided to obtain micro particles having structural complexity inside and outside at the same time through simple method on the basis of biodegradable polymers using for medical treatment. CONSTITUTION: A manufacturing method of a biodegradable microsphere comprises a step of manufacturing polymer solution containing biodegradable polymers and phase change material, and a step of solidifying the biodegradable microsphere by manufacturing emulsion oil-in-water through dispersing the polymer solution into continuous phase in which hydrophilic surfactant is dissolved. The biodegradable polymer is poly(D,L-lactic acid) or poly(lactic acid-co-glycolic acid). The biodegradable polymer is added to have the concentration to organic solvent in the polymer solution of 6-10 %(w/w).
Patent KR-20120019570-A (KR)
Title: Vibration gnerating device support
Inventor: LEE SEUNG LO
IPC: F25D23/00
Filed: 2010-08-26
Abstract: PURPOSE: A support stand for a vibration generating device is provided to prevent the vibration generated in a driving of a driving motor and a screw of a compressor by using a height of a skid supporting the compressor and motor of a freezer. CONSTITUTION: A support stand for a vibration generating device comprises a supporting member(20). The supporting member supports a skid(10) where vibration generating device settle on the upper part. The supporting member has a concrete structure having a constant height. The supporting member is formed as a one-storied form that the lower part is a larger than the upper part. A seating groove is formed in the upper part of the supporting member. The seating groove inserts the lower part of the skid into a position where a kid is arranged at a constant depth.
Patent KR-20120020397-A (KR)
Title: Apparatus and method for testing of module
Inventor: KIM HAE CHUL
IPC: H01L21/66
Filed: 2010-08-30
Abstract: PURPOSE: An apparatus and a method for testing a module for using a jig are provided to efficiently test a module by using a jig which is corresponded to a form of a module under test. CONSTITUTION: A jig for testing(106) has a first main surface, a second main surface, and a protrusion part. The first main surface arranges a module under test at a top portion. The second main surface faces the first main surface. One or more protrusion parts are formed on the first main surface. A heating part(105) is arranged in the second main surface and heats the jig for testing. A pin module(103) applies power to the module under test.
Patent KR-20120020531-A (KR)
Inventor: LIM HEON HEE
IPC: G02B5/09
Filed: 2010-08-30
Abstract: 회전다면경 및 이를 채용한 광주사장치가 개시된다. 개시된 회전다면경은 회전축을 중심으로 회전하는 복수의 반사면을 구비하며, 회전축에 수직한 단면에서 볼 때, 상기 복수의 반사면 각각의 단면 프로파일은 적어도 2개의 변곡점을 갖는 볼록한 형상이다.
Patent KR-20120020987-A (KR)
Title: 자동변속기용 유압제어장치 및 그 제어방법
Inventor: CHO MYUNG SOO
IPC: F16H61/4008
Filed: 2010-08-31
Abstract: 본 발명은 자동변속기용 유압제어장치 및 그 제어방법에 관한 것으로서, 특히, 부품 수를 절감하고 밸브바디의 유로구조를 단순화하고 킥다운 변속작동을 행할 수 있는 자동변속기용 유압제어장치에 관한 것이다. 
본 발명은, 작동요소와 연결되고 변속단을 구현하는 마찰요소에 공급되는 작동유체의 압력을 제어하는 제1솔레노이드밸브; 상기 작동요소와 연결되고 변속단을 구현하는 상기 마찰요소에 공급되는 작동유체의 압력을 제어하는 제2솔레노이드밸브; 상기 제1솔레노이드밸브와 상기 제2솔레노이드밸브를 통해 공급되는 작동유체의 공급 방향을 결정하여 상기 마찰요소에 선택적으로 작동유체를 공급하고 변속중 상시 체결 마찰요소로 라인압을 공급하는 각도조절밸브; 상기 마찰요소에 공급되는 작동유체의 라인압을 제공하는 라인압제어밸브; 차량의 주행상태에 따라 상기 제1솔레노이드밸브와 상기 제2솔레노이드밸와 상기 라인압제어밸브에 조절신호를 송신하는 TCU; 및 상기 TCU의 변속 진행 상태에 따라 상기 각도조절밸브의 작동여부를 결정하는 MCU를 포함하는 것을 특징으로 하는 자동변속기용 유압제어장치를 제공한다.
Patent KR-20120024185-A (KR)
Title: Foreign language learning system by using global positioning information
Inventor: KIM TAE HYEONG
IPC: G09B5/06
Filed: 2010-09-06
Abstract: PURPOSE: A foreign language learning system by using global positioning information is provided to improve memory power and the learning capability of a user by memorizing and reminding a foreign language word, phrase, or sentence. CONSTITUTION: A foreign language learning system(100) comprises a global positioning system(110), an input unit(120), a storage unit(130), a providing unit(140), and a control unit(150). The global positioning system receives the location information of a user. The input unit receives a word, phrase, or sentence related to a foreign language from the user corresponding to places, things, other people related to the location information of the user. The storage unit stores an inputted word, phrase, or sentence related to the foreign language. The providing unit visually, aurally, or tactically provides the word, phrase, or sentence related to the foreign language stored in the storage unit to the user. The providing unit controls the supplying of a saved word, phrase, or sentence related to the foreign language to the user if the location information of the user is matched with the location information of the global positioning system corresponding to the word, phrase, or sentence related to the foreign language stored in the storage unit.
Patent KR-20120026929-A (KR)
Title: Regeneration method of aluminum cell case for vehicle and regenerated cell case
Inventor: JO JAE SEUNG
IPC: C25D11/04
Filed: 2010-09-10
Abstract: PURPOSE: A method for recycling aluminum battery cans for a vehicle and a recycled battery can are provided to maximize the durability and heat insulation property of a battery can by employing an anodizing process. CONSTITUTION: A method for recycling aluminum battery cans for a vehicle comprises the steps of: separating an aluminum battery can from a vehicle battery, washing the separated battery can, removing an oxide film from the battery can, forming an aluminum oxide film on the surface of the battery can through an anodizing process, and post-processing the battery can.
Patent KR-20120032247-A (KR)
Title: Method for revision of printing error in pcb
Inventor: YUN KWAN SOO
IPC: H05K3/00
Filed: 2010-09-28
Abstract: PURPOSE: A method for correcting a print error of a substrate is provided to convert an actual deformation value of the substrate into a binary image by using a correction coefficient. CONSTITUTION: An alignment mark coordinate and a recognition mark coordinate are obtained(S101). The distorted alignment mark coordinate and the recognition mark coordinate of each sheet are obtained(S102). Coordinate information obtained from design specification information and the coordinate information obtained from the actual measurement information are operated. A correction coefficient is produced(S103). The actual deformation value of the substrate is produced. The actual deformation value is converted into the deformation data of the corrected binary image(S105). The substrate is printed based on the deformation data(S106).
Patent KR-20120033850-A (KR)
Title: Driving force measurement installation of flapping-wing system and the method
Inventor: PARK HOON CHEOL
IPC: G01M9/00
Filed: 2010-09-30
Abstract: PURPOSE: A driving force measuring device of a flapping air vehicle and a method thereof are provided to minimize measurement errors through measuring a rate of advance and acceleration by a digital super high speed camera and the measurement reliability with respect to a driving force is offered. CONSTITUTION: A driving force measuring device of a flapping air vehicle comprises a guide rail(10), a flying object(20), a force measuring part(30), a digital super high speed camera(40), and a height measuring part(50). The guide rail guides the flying object to fly to a longitudinal direction. The flying object is joined to a connection rod(14) perpendicularly extended to a bearing bush(12) operating by the minimum power by being joined to the guide rail. A rope(36) is connected to a weight plumb(32) of the force measuring part moving up and down according to a progressive direction of the connection rod. The digital super high speed camera measures a rate of advance and acceleration when the weight plumb rises. The height measuring part measures a height when the weight plumb rises.
Patent KR-20110046355-A (KR)
IPC: H01L21/027
Filed: 2010-10-27
Abstract: PURPOSE: A calibration method and lithographic apparatus using the same are provided to average the measured location of a projected pattern for each different rotation location of a substrate, thereby determining projecting differences in the locations of patterns during a projecting step. CONSTITUTION: The pattern of a patterning device is projected onto a target part of a substrate. The resulting location of the pattern projected onto the substrate is measured. The locations of the projected pattern are measured for at least two different rotation locations of the substrate respectively. A stage location is calibrated from the measured locations of the projected pattern. The pattern includes a rotation symmetrical central pattern.
Patent KR-20120047384-A (KR)
Title: Image photographing device having function for compensation hand vibration
Inventor: LIM SOO CHEOL
IPC: G03B5/00
Filed: 2010-11-03
Abstract: PURPOSE: A photographing device with a hand tremor stabilizing function is provided to distribute or absorb the stress generated in a suspension wire by a bent unit or a flat spring. CONSTITUTION: A magnet is combined to an external surface of an optical unit(130). A housing includes the optical unit and the magnet. A suspension wire(150) is arranged in four edges of the optical unit. A fixed bent unit(153) is formed in a certain point o f the suspension wire. A FPCB(Flexible Printed Circuit Board) applies the current to a coil. A substrate is combined to the lower part of the housing.
Patent KR-20100126240-A (KR)
Title: Method of data transmission and automatic execution using portable electronic device
Inventor: GO YOUN YONG
IPC: G06F3/00
Filed: 2010-11-04
Abstract: PURPOSE: A method for transferring and automatically executing data using a portable electronic device is provided to conveniently display multimedia data by transferring and executing the data or file stored in a portable electronic device to a multimedia computer. CONSTITUTION: If a user selects a data file from a portable electronic device, the portable electronic device transfers the data file to a computer device. The computer device checks the state of an execution program corresponding to the data file(ST20). If the execution program is activated, the computer opens the data file and displays the data file through a display unit. If the execution program is inactivated, the computer activates the execution program and opens the data file to display the data file on the display unit(ST21).
Patent KR-20120048445-A (KR)
Title: Method and apparatus for transmitting and receiving aperiodic reference signal
Inventor: KIM JONG NAM
IPC: H04J11/00
Filed: 2010-11-05
Abstract: PURPOSE: A method and an apparatus for transmitting and receiving an aperiodic reference signal are provided to transmit and receive the setup information of a reference signal by including the indication information in a physical channel. CONSTITUTION: A reference signal transmitting device receives indication information which directs the transmission of an aperiodic reference signal from a reference signal receiving device(S2010). The indication information includes cyclic shift information necessary for generating the aperiodic reference signal. Radio resource region information, which transmits the aperiodic reference signal, is calculated using environmental information(S2020). The radio resource region information is identified with the environmental information. A reference signal transmission device transmits the aperiodic reference signal to the reference signal receiving device(S2030).
Patent KR-20110138136-A (KR)
Title: Apparatus and method for transfering bitstream
Inventor: HWANG SEUNG HOON
IPC: H04N7/24
Filed: 2010-11-11
Abstract: PURPOSE: A method and apparatus for transmitting a bit stream are provided to reduce the number of retransmission by applying a retransmission method to only the basic layer. CONSTITUTION: An encoding unit(110) encodes moving picture data and generates a bit stream of an enhanced layer and a basic layer. A transmitting unit(120) transmits a frame of the bit stream to a receiving side(105). A receiving unit receives a corresponding response signal from the receiving side. A control unit(140) transmits the frame of the bit stream corresponding to the basic layer or enhanced layer to the receiving side.
Patent KR-20120051292-A (KR)
Title: Duct
Inventor: KIM HAK GUN
IPC: H02G3/04
Filed: 2010-11-12
Abstract: PURPOSE: A duct having a fiber coating layer for a multi-composite structure is provided to ensure improved production speed and strength by employing a core layer of lightweight material and a fiber coating layer formed on the exterior thereof. CONSTITUTION: A duct comprises an inner peripheral member(20), a core layer, and a fiber coating layer(110). In the inner peripheral member, a connection groove is formed between double fixing projections on the left side of an inner peripheral part(21), a holding protrusion is provided on a sealing connection part, reinforcing projections are formed at regular intervals on the upper side of the inner peripheral part, and a sealing protrusion is formed on the right side of a connection protrusion between double grooves on the right end of the inner peripheral part. The core layer is formed between first resin(31) and second resin(41) coated on the exterior of the inner peripheral member. The fiber coating layer is spirally provided on the outer surface of the second resin.