baber/WOPTO huggingface dataset:
Patent KR-100756170-B1 (KR)
Title: Production process for butterfly valve
Inventor: BAE KI HWAN
IPC: F16K1/228
Filed: 2006-07-21
Granted: 2007-09-05
Abstract: A process for assembling a butterfly valve is provided to exclude a separate ring structure or a separate sealing structure from the periphery of a disc and a disc sheet. In a process for assembling a butterfly valve, a shaft(30) passes through a shaft through-hole(16) of a boss(11) integrally formed with a disc(1). The periphery of the disc is attached to a valve seat(2), with the disc being floated on the shaft. The shaft and the boss are fixed to each other by a fixing bolt and a fixing pin. The periphery of the shaft is assembled in the valve seat strongly and stably as the shaft and the boss fixed by the fixing bolt and the fixing pin, with the periphery of the disc attached to the valve sheet.
Patent KR-100642330-B1 (KR)
Title: Sidewalk block unit with water drain
Inventor: MOON BYUNG KWON
IPC: E01C13/02
Filed: 2006-07-29
Granted: 2006-11-10
Abstract: A sidewalk block unit having a draining function is provided to drain water from a sidewalk block by making water flow through a drain filter block to a lower part of the sidewalk block and draining water through a drain pipe to a manhole. A sidewalk block unit(10) includes sidewalk blocks(20) arranged left and right, and provided with recessed parts(21) to form a drain hole at the contact portion between the sidewalk blocks; a drain filter block(30) having a support plate(31) contacted to a lower part of the sidewalk block and provided with a fixing hole and a drain filter(33) inserted to the fixing hole of the support plate; a frame(40) having a rectangular edge part, a mesh net mounted to a lower part of the edge part, and sand and gravel layers draining water from the drain filter; and a drain pipe(50) having plural drain holes for collecting water, a water collecting pipe(51) arranged in a lower part of the frame and a guide pipe(53) communicated with the water collecting pipe and communicated with the manhole to discharge water from the water collecting pipe to the manhole. A protection net(37) is made of a wire net or synthetic resin and mounted in the upper part of the drain filter to prevent the drain filter from being broken by a walker, and a support groove is formed in the recessed part of the sidewalk block to insert and fix the protection net.
Patent KR-100837219-B1 (KR)
IPC: C08G77/00
Filed: 2006-07-31
Granted: 2008-06-11
Abstract: 본 발명은 폴리실올, 폴리저몰 및 실올-저몰의 공중합체에서 선택되는 어느 하나의 유도체를 포함하는 나노응집체상의 유기 고분자 전자발광 화합물을 이용한 LED용 전자발광소재 및 그의 발광효율 증진방법에 관한 것이다. 
     본 발명의 LED용 전자발광소재는 폴리실올, 폴리저몰 및 실올-저몰의 공중합체로 이루어진 군에서 선택되는 어느 하나의 유도체 및 페닐메틸폴리실란으로 혼합된 나노응집체로 이루어지며, 상세하게는 나노응집체 상에서 페닐메틸폴리실란으로부터 폴리실올, 폴리저몰 및 실올-저몰의 공중합체에서 선택되는 어느 하나의 유도체로 에너지 전이되어, 종래보다 발광효율이 증진된 LED용 전자발광소재를 제공할 수 있다. 
       
     발광효율, LED, 폴리실올, 폴리저몰, 실올-저몰의 공중합체, 메틸폴리실란
Patent KR-100783772-B1 (KR)
IPC: C23C26/00
Filed: 2006-07-31
Granted: 2007-12-07
Abstract: 본 발명은 스테인레스강의 칼라착색 피막방법에 관한 것으로서, 탈지 및 수세한 스테인레스강재를 전해연마액에 침지하여 전해연마한 다음, 19중량%의 황상과 0.5중량%의 과망간산칼륨과, 0.5중량%의 트리콜로로에탄 및 80중량%의 증류수가 혼합되어 이루어진 착색용액에 85 내지 120 ℃ 온도 범위에서 5분 내지 15분동안 침지하여 착색피막을 형성함으로써, 공정이 단순하고 작업이 용이하여 경제성과 생산성이 우수하며, 특히 브라운계 칼라에 대한 안정된 색조 발현성의 효과를 얻을 수가 있다. 
       
     스테인레스 착색, 발색, 피막, 전해연마
Patent KR-100687697-B1 (KR)
Title: A wastewater treatment without a sedimentation tank
Inventor: SHIN HUI YOON
IPC: C02F1/24
Filed: 2006-08-03
Granted: 2007-02-27
Abstract: A wastewater treatment apparatus without a sedimentation tank is provided to prevent a bulking phenomenon generated due to deficiency of dissolved oxygen or rapid increase of microorganisms through a coagulation and flotation tank, and greatly reduce an initial facility cost by reducing the area of facilities. A wastewater treatment apparatus without a sedimentation tank comprises: a water collection tank(300) for controlling a flow amount of the wastewater by storing the wastewater and pumping a predetermined flow amount of the wastewater to supply the wastewater into the aeration tank when wastewater flows into the water collection tank from a wastewater source; an aeration tank(400) for injecting air into a mixture of microorganisms and the wastewater flown in from the water collection tank to allow the microorganisms to decompose organic matters contained in the wastewater into water and carbon dioxide; a coagulation and flotation tank(100) coagulating organic matters of the wastewater flown in from the aeration tank with residual microorganisms to form a floc, adsorbing air particles onto the floc, collecting scum that is a floated floc mass to discharge the collected scum to a detention tank, and supplying purified lower layer water only to the treated water tank; and a treated water tank(500) for discharging a predetermined quantity of the purified water flown in from the coagulation and flotation tank into the outside through an effluent flow meter.
Patent KR-100800298-B1 (KR)
Title: Storage tank of double-bulkhead for water purification
Inventor: WOO YOUNG BAE
IPC: B65D90/26
Filed: 2006-08-07
Granted: 2008-02-01
Abstract: A double-bulkhead storage tank for water purification is provided to precipitate foreign materials effectively by making the water flow over through a through-port formed at a bulkhead. A double-bulkhead storage tank for water purification stores the water by closing up upper and bottom plates at the upper and lower parts of a body(20) and comprises first and second chambers(23a,23b) formed by installing bulkheads(22) with different diameters in the body, and a water supply pipe(10), a water discharge pipe(29), and a deposition discharge pipe(28) discharging precipitates settled down on the bottom side, which are formed in each chamber. Foreign materials contained in the water are settled down by a barrier(24) guiding the flow of water by forming one water supply pipe in the first chamber. The water filled into the first chamber overflows to the second chamber by forming a through-port on the rear bulkhead of the barrier. Flow valves(12,27) for increasing and decreasing the flow of the water are installed at the end of the through-port.
Patent KR-100797834-B1 (KR)
Title: Circulation pump
Inventor: PARK SOO HONG
IPC: F04D1/00
Filed: 2006-08-17
Granted: 2008-01-24
Abstract: A circulation pump is provided to simplify its structure and facilitate assembling process by utilizing an impeller which can be injected by a single mold and to prevent deformation of the pump since high-frequency welding process can be removed from the process. A circulation pump comprises a housing(200), and an impeller(100). The housing comprises a first housing(230) having a through hole(231) for insert of a drive shaft(310) of a driving motor(300) and a second housing(240) having a suction port(210) for suction of fluid in its center part, wherein the suction port is spaced apart from the drive shaft. The impeller comprises a hub(110) assembled to the drive shaft, a plurality of blades(120) radially disposed around the hub, and a guide part(130) assembled to the blades in the direction of the drive shaft, and contouring a guide path(101) to discharge fluid entering the first housing and the suction port in the second housing in radial direction around the drive shaft.
Patent KR-100788222-B1 (KR)
IPC: H01L21/8238
Filed: 2006-08-30
Granted: 2007-12-26
Abstract: 반도체 디바이스는, 회로 영역에 제공된 CMOS 기본셀의 어레이; CMOS 기본셀의 어레이를 따라 연장되고 CMOS 기본셀에 접속된 전원배선; CMOS 기본셀의 어레이를 따라 연장되고 CMOS 기본셀에 접속된 접지배선; 전원배선 아래에 제공된 제 1 디커플링 캐패시터; 접지배선 아래에 제공된 제 2 디커플링 캐패시터로 구성된다.     제 1 디커플링 캐패시터는 접지배선에 접속된 게이트를 가지는 PMOS 트랜지스터로 형성된다.     PMOS 트랜지스터의 소스 및 드레인 중 하나 이상은 전원배선에 접속된다.     제 2 디커플링 캐패시터는 전원배선에 접속된 게이트를 가지는 NMOS 트랜지스터로 형성된다.     NMOS 트랜지스터의 소스 및 드레인 중 하나 이상은 접지배선에 접속된다. 
       
     디커플링 캐패시터, CMOS, NMOS.
Patent KR-100679691-B1 (KR)
Title: Integrated device for analysis total of water pollution
Inventor: PARK YUNG CHEOL
IPC: G01N1/10
Filed: 2006-09-25
Granted: 2007-02-07
Abstract: An integrated apparatus for analyzing total amount of water contamination is provided to be able to automatically store sample water stored in a sample water tank generating an error signal at a VOD measuring meter, a total P/total N measuring meter, and a hydrogen ion concentration/floating material concentration measuring meter in an auto-sampler, and collect the sample water stored in the auto-sampler without finishing the operation of a system, thereby providing convenience. The integrated apparatus for analyzing total amount of water contamination comprising an outer case, a sample water tank, a flowmeter(130), a flow measurement meter(140), a VOD measuring meter(150), a total P/total N measuring meter(160), a measuring tank(170), a hydrogen ion concentration/floating material concentration measuring meter(180), and a drain pit(190) is characterized in that it further comprises an auto-sampler(200) which is installed at one side of the outer case inside, is connected with an inlet hose of a discharge pipe of the sample water tank and is electrically connected to the VOD measuring meter, total P/total N measuring meter, and hydrogen ion concentration/floating material concentration measuring meter to be supplied the sample water stored in the sample water tank when each error signal is generated from the VOD measuring meter, total P/total N measuring meter, and hydrogen ion concentration/floating material concentration measuring meter and store the sample water and a scale removing device(210) which is respectively installed at the sample water supply pipe, an inlet hose(124-1) between the sample water tank and the VOD measuring meter, an inlet hose(125-1) between the sample water tank and the total P/total N measuring meter, an inlet hose(126-1) between the sample water tank and the measuring tank, and an inlet hose(201) between the sample water tank and the auto sampler to remove scales generated at the sample water supply pipe and the inner wall of the each inlet hose.
Patent KR-100809072-B1 (KR)
Title: Semiconductor device including high voltage generation circuit and method there-of
Inventor: BYEON DAE SEOK
IPC: G11C5/14
Filed: 2006-09-28
Granted: 2008-03-03
Abstract: A semiconductor device comprising a high voltage generation circuit and a method thereof are provided to prevent an operation error and overshoot of the semiconductor device, by comprising a switching part capable of connecting a first voltage generation circuit and a second voltage generation circuit. A first pump clock generation part(22) generates a first pump clock signal on the basis of a first power supply voltage. A first charge pump part(24) generates a first pump output voltage, in response to the first pump clock signal. A second pump clock generation part(32) generates a second pump clock signal on the basis of the first pump output voltage. A second charge pump part(34) generates a second pump output voltage in response to the second pump clock signal. A switching part(40) connects the first charge pump part and the second charge pump part selectively.
Patent KR-100772122-B1 (KR)
Title: Stopper combination system of the digital piano
Inventor: HEO JU CHEOL
IPC: G10H1/32
Filed: 2006-09-28
Granted: 2007-11-02
Abstract: A stopper combination device for preventing the keyboard trembling of a digital piano for an automatic performance is provided to prevent the keyboard trembling and a noise generated when a keyboard is originally located and allow a user to feel the same touch sense as a touch sense of a keyboard of an acoustic piano by automatically lifting a solenoid part fixed at an upper side of a plate. A frame(12) capable of supporting a pedestal member(22) is formed at an upper side of a plate(24). A supporting bracket(19) is coupled and fixed to an upper side of the pedestal member(22). A body(15) includes a frame supporting a bottom member on an upper side of the body, couples the supporting bracket(19) with an upper side of the bottom member to be fixed and fixes a rectangular cushion member to an upper side of the supporting bracket(19). The body(15) includes an upper plate and a lower plate, formed with a connecting member in one body, having a space part. The space part receives the trembling of the lower plate and offsets the vibration of a keyboard.
Patent KR-100784131-B1 (KR)
Title: Method of manufacturing the permeable and waterproofing textiles having endurance and antibacterial and deodorization, and method of manufacturing of the permeable and waterproofing gloves
Inventor: ANN SOO EUNG
IPC: D06N3/00
Filed: 2006-09-29
Granted: 2007-12-12
Abstract: A method for manufacturing a permeable and waterproof fabric and a method for manufacturing permeable and waterproof gloves using the fabric are provided to impart antimicrobial and deodorizing functions to the fabric, by using inorganic antimicrobial agents. A finish coating layer is formed on a surface of a release paper using a composition where 1-component type hydrophilic solvent solution type polyurethane resin, 1-component type hydrophobic solvent solution type polyurethane resin, inorganic antimicrobial agents, and silica are mixed in an organic solvent(200). A middle coating layer is formed on the finish coating layer using a composition where 1-component type hydrophilic solvent solution type polyurethane resin and 1-component type hydrophobic solvent solution type polyurethane resin are mixed in an organic solvent(300). An adhesive layer is formed on the middle coating layer(400). The release paper, on which the finish coating layer, the middle coating layer, and the adhesive layer are sequentially formed, is transferred onto an elastic fiber fabric(500).
Patent KR-100804397-B1 (KR)
Title: The apparatus and method for o2 control by flue gas purging in reheating furnace
Inventor: KIM CHANG YOUNG
IPC: F27B9/00
Filed: 2006-10-12
Granted: 2008-02-15
Abstract: An apparatus and a method for controlling oxygen concentration in a reheating furnace by flue gas purging are provided to prevent the oxygen amount from being increased excessively by supplying only oxygen with a proper concentration into flue gas through recirculation of flue gas, and increase radiation efficiency by preventing the amount of NOx from being increased and increasing partial pressures of CO2 and H2O in the reheating furnace through a reaction by a flow of combustion gas. An apparatus for controlling oxygen concentration in a reheating furnace by flue gas purging comprises a pipe line(101) for recirculating flue gas(7) sucked in from a uptake flue(8), a flue gas cooling heat exchanger(102) for lowering temperature of flue gas used in purging, and a filter part(104) for removing dust and soot contained in the flue gas, wherein the pipeline includes: a by-pass line(103) for detouring the flue gas in a state that the flue gas does not passes through the flue gas cooling heat exchanger when temperature of the flue gas is low; and a by-pass valve(105) for sensing temperature of the flue gas to control inflow of the flue gas into the by-pass line.
Patent KR-100811845-B1 (KR)
Title: Apparatus and method for frequency scanning in mobile terminal
Inventor: KIM YU SHIN
IPC: H04B1/40
Filed: 2006-10-20
Granted: 2008-03-10
Abstract: An apparatus and a method for searching for a frequency in a mobile terminal are provided to speedily acquire a usable frequency by periodically and repeatedly checking the last used frequency band in case a mobile terminal searches the whole frequency bands in turn after first confirming the last used frequency band. If a frequency search event occurs(400), a mobile terminal confirms the last used frequency band and checks whether a usable frequency exists in the last used frequency band(402,404). If so, the mobile terminal executes communication through the usable frequency(414). However, in case any usable frequency doesn't exist in the last used frequency band, the mobile terminal sequentially selects the next frequency band(406) and checks whether a usable frequency exists in the selected frequency band(408). If not, the mobile terminal judges whether or not it is a period to confirm the last used frequency band again(410). If so, the mobile terminal confirms the last used frequency band again and checks whether a usable frequency exists in the last used frequency band(402,404).
Patent KR-100823725-B1 (KR)
Title: Feed-forward compensation method and apparatus for pwm converter in a cascaded multilevel inverter
Inventor: KIM KWANG SEOB
IPC: H02M7/537
Filed: 2006-11-09
Granted: 2008-04-18
Abstract: An apparatus and a method for controlling a PWM(Pulse Width Modulation) converter of a cascaded multilevel topology are provided to prevent an over-voltage or a low voltage by uniformly maintaining a DC link voltage of each module. An apparatus for controlling a PWM(Pulse Width Modulation) converter of a cascaded multilevel topology includes a PWM converter, a PWM converter controller, an inverter module, and a DC link. The PWM converter converts an AC input power into a DC power by a PWM. The PWM converter controller controls the PWM converter, and is sequentially coupled to a voltage controller(34), a current controller(36), and a PWM generator(38). The inverter module inverts the DC power outputted from the PWM converter to an AC power, and drives an induction motor. The DC link is located between the PWM converter and the inverter module. The voltage of the DC link is compared with a reference voltage value, and is feed-backed to an input of the voltage controller. A current command value calculated from an output power of the inverter module is feed-forwarded to an input of the current controller with an output of the voltage controller.
Patent KR-100778417-B1 (KR)
Title: Plasma display apparatus and switching mode power supply
Inventor: CHOI YOUNG OH
IPC: H01J17/49
Filed: 2006-11-20
Granted: 2007-11-21
Abstract: A plasma display apparatus and a switching mode power supply are provided to supply stable plural voltages by using only one switching mode power supply without generating cross regulation. A switching mode power supply includes plural first electrodes, a driving circuit for driving the first electrodes, and a source voltage supplying unit for generating a source voltage. The source voltage supplying unit includes a power supplying unit(611), and first and second output units(612,613). The power supplying unit, which includes a switching transistor coupled to a first coil of a primary of a first transformer, supplies electric power to a second coil(L2) of a secondary of the first transformer. The first output unit outputs a first voltage(Vs) from the second coil. The second output unit, which includes a third coil(L3) connected in parallel with the second coil and a fourth coil(L4) forming a second transformer with the third coil, outputs a second voltage(Va).
Patent KR-100864958-B1 (KR)
IPC: A01G23/02
Filed: 2006-11-21
Granted: 2008-10-22
Abstract: 본 발명은 사막은 물론이고 사막화가 진행 중인 건조지역의 녹화를 구축하기 위한 식목방법에 관한 것으로서, 보다 자세하게는 한번의 물공급으로 장기간(약 12~60개월) 식목을 관리할 수 있고, 강우시에는 빗물을 장기간 저장하여 식목에 필요한 공급수로 이용할 수 있도록 하여 별도의 관개시설을 구비하지 않고 최소한의 물공급으로 사막 등과 같은 건조지역의 녹화를 구축할 수 있는 사막 및 건조지역의 식목방법에 관한 것이다. 
     이에 본 발명은 일정높이를 갖는 식수용 나무를 준비하는 제1단계와, 일정크기의 식수용 구덩이를 형성하는 제2단계와, 상기 제2단계의 구덩이 내의 수분이 침실되는 것을 방지하기 위하여 그 내측면을 1차방수덮개로 커버하는 제3단계와, 상기 1차방수덮개가 커버된 구덩이에 지표상의 외부공기 및 물을 지중으로 공급하는 공기 및 물공급기를 구비하고 상기 구덩이를 그 깊이의 1/3~1/2정도 흙으로 메꾸어 1차적층하는 제4단계와, 상기 1차적층된 구덩이에 나무를 심되 상기 구덩이를 흙으로 완전히 메꾸어 2차적층하는 제5단계와, 상기 2차적층된 흙의 표면을 2차방수덮개로 커버하는 제6단계와, 상기 2차방수덮개를 흙으로 덮어서 외부요인에 의하여 훼손되는 것을 방지하도록 방수덮개보호층을 형성하는 제7단계와, 상기 공기 및 물공급기를 통하여 구덩이 내부에 일정량의 물을 공급하는 제8단계로 이루어지는 것을 특징으로 하는 사막 및 건조지역의 식목방법을 제공한다. 
       
     나무, 1차방수덮개, 2차방수덮개, 구덩이, 공기 및 물공급기, 빗물받이
Patent KR-100824413-B1 (KR)
Title: Multiplex pcr method for rapid classification of esbl and pcr primer therefor
Inventor: KIM SEONG HAN
IPC: C12N15/10
Filed: 2006-11-27
Granted: 2008-04-23
Abstract: Four kinds of PCR primer sets are provided to be applicable to one PCR reaction at the same time. A multiplex PCR method for detecting and classifying extended spectrum beta lactamase(ESBL) is provided to detect and classify 4 kinds of the ESBLs, which are CMYII, CTX-MI, CTX-MII, and DHA, with accuracy and rapidity by applying the same primers. A multiplex PCR method for detecting and classifying ESBL is characterized in that it detects and classifies at least two target sequences of CMY II(cephamycin resistant type II), CTX-MI(cefotaxime resistant type-MI), CTXMII(cefotaxime resistant type-MII), DHA(daharan) gene in the ESBL using at least two PCR primer sets selected from the group consisting of a PCR primer set for detecting the CMY II having sequences of SEQ ID : NOs. 1 and 2, a PCR primer set for detecting the CTX-MI having sequences of SEQ ID : NOs. 3 and 4, a PCR primer set for detecting the CTX-MII having sequences of SEQ ID : NOs. 5 and 6, and a PCR primer set for detecting the DHA having sequences of SEQ ID : NOs. 7 and 8. A kit for diagnosing and classifying the ESBL comprises at least two PCR primer sets selected from the group consisting of the PCR primer set for detecting the CMY II having sequences of SEQ ID : NOs. 1 and 2, the PCR primer set for detecting the CTX-MI having sequences of SEQ ID : NOs. 3 and 4, the PCR primer set for detecting the CTX-MII having sequences of SEQ ID : NOs. 5 and 6, and the PCR primer set for detecting the DHA having sequences of SEQ ID : NOs. 7 and 8.
Patent KR-101145848-B1 (KR)
IPC: H04W74/08
Filed: 2006-11-29
Granted: 2012-05-17
Abstract: 본 발명은 콘텐츠 전송을 위한 접근 제어 방법 및 상기 접근 제어 방법을 이용하는 네트워크의 노드에 관한 것이다.  본 발명에 따른 단일 접근 제어 도메인(SPC: Single Proximity Control domain), 혼합 접근 제어 도메인(MPC: Mixed Proximity Control domain) 및 네트워크 기반 서비스 도메인의 각각의 도메인에 따라 서로 다른 접근 제어 메커니즘을 수행하고, 상기 도메인에 포함된 각각의 노드는 서로 이웃한 노드와의 물리적 거리에 기초하여 상기 접근 제어 메커니즘을 수행한다. 
       
     AVB(Audio/Video Bridge), 접근 제어(proximity control), IEEE802, DTCP(Digital Transmission Content Protection), DLNA(Digital Living Network Alliance)
Patent KR-100796946-B1 (KR)
Title: Shot blast apparatus for treating steel structure
Inventor: AHN JIN KWON
IPC: B24C3/02
Filed: 2006-11-29
Granted: 2008-01-22
Abstract: A shot blast apparatus is provided to reuse shot blasted during cleaning, and prevent contamination by collecting dust generated during short blasting. A shot blast apparatus includes a loading unit, a front room, a blast room, and a rear room. The loading unit loads an object(100) to be cleaned such that the object is hung to a mono rail hoist(50). The front room is formed sequentially from the loading unit, and divided by a door. The blast room cleans the surface of the object by blasting shot to the object through a plurality of impellers(31) while the object is slowly moving by the mono rail hoist. The rear room is formed sequentially from the blast room, and divided by a door. The blast room includes the impellers arranged into two rows, a horizontal screw(32) for collecting shot dropped onto the bottom of the blast room to one side, a vertical screw(33) for conveying shot collected by the horizontal screw to a bucket elevator(34), the bucket elevator for delivering the collected shot to an isolator(36), the isolator for isolating shot from dust, a conveyor screw(37) for supplying shot isolated by the isolator to reservoirs(35A,35B), the reservoirs for storing shot, and a shot gate for supplying shot stored in the reservoirs to impellers.
Patent KR-100733686-B1 (KR)
IPC: C09D5/24
Filed: 2006-12-13
Granted: 2007-06-28
Abstract: 본 발명은 전자부품 및 반도체부품 등의 정전기방지능이 우수한 포장재를 위한 진공성형용 전도성 코팅조성물을 제공한다. 상기 구성에 의한 본 발명의 코팅조성물을 기저고분자에 적용하면 진공성형 후의 표면저항을 10 4 ∼10 10 Ω/□의 범위에서 조절할 수 있으며, 도막경도 및 코팅막의 내용제성이 우수하며 불순물 발생을 차단할 수 있다. 또한 본 발명의 전도성 고분자 코팅조성물은 가시광 영역투과도가 우수하여 이를 이용하여 코팅에 적용시 기저고분자대비 투명도가 95%이상인 대전방지용 포장제품을 생산하는 것이 가능하다. 
       
     진공성형, 전도성 코팅 조성물, 진공성형 포장재