baber/WOPTO huggingface dataset:
Patent JP-2023128316-A (JP)
Title: Tip tool for drain hose and drain method of hollow column
Inventor: OKOSHI TOMOHARU
IPC: E04G23/02
Filed: 2022-03-03
Abstract: To smoothly and quickly lower a drain hose, and surely suck up staying water and discharge the staying water to the outside, without floating the drain hose in the staying water.SOLUTION: A tip tool for a drain hose attached to a tip of a drain hose 2 for discharging staying water such as rainwater, includes: a hose connection part 11 in which a tip part of the drain hose 2 is mounted; and a drain part body 12 which is provided integrally with the hose connection part 11, and has a suction hole 12c for sucking the staying water such as the rainwater and sending the staying water to the drain hose 2 through the hose connection part 11, wherein the drain part body 12 is provided with a ball chain 13 where a plurality of balls 13a are connected to each other by a connection wire 13b.SELECTED DRAWING: Figure 1
Patent JP-2022071140-A (JP)
Title: ELECTROLYTIC Ni-Cr ALLOY FOIL AND METHOD FOR PRODUCING THE SAME, AND COMPOSITE MEMBER
Inventor: KONO AKINORI
IPC: C25D1/00
Filed: 2022-03-03
Abstract: To provide an electrolytic Ni-Cr alloy foil that can be produced by electrolysis.SOLUTION: An electrolytic Ni-Cr alloy foil is composed of Ni, Cr and impurities and has a brightness L* of 30 or more.SELECTED DRAWING: None
Patent JP-2022066390-A (JP)
Title: Game machine
IPC: A63F5/04
Filed: 2022-03-04
Abstract: PROBLEM TO BE SOLVED: To provide a game machine that can enhance the interest of a game. 
     SOLUTION: When a specified number of tokens are inserted, a 1-bet LED, a 2-bet LED, and a 3-bet LED are turned on. As a result, when a start switch is operated and three reels start to rotate, a game starts, and when all the reels are stopped, the game is completed. When a time T1 elapses after the game is completed, the 1-bet LED, the 2-bet LED, and the 3-bet LED are turned off. When all the reels are stopped and a time T2 elapses after a symbol combination command is transmitted, a game standby screen is displayed. The time T2 is predetermined so as to coincide with the timing at which each bet LED is turned off. 
     SELECTED DRAWING: Figure 60 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2023129753-A (JP)
Title: Magnet type denture attachment with sleeve and manufacturing method of the same
Inventor: MOTOKURA YOSHINOBU
IPC: A61C13/235
Filed: 2022-03-06
Abstract: To provide a function as a retaining device of a digital denture which tremendously improves the adsorption force of a magnetic type denture attachment and has an automatic aligning function.SOLUTION: The original adsorption force of a magnetic type denture attachment with a sleeve is improved by utilizing a stainless steel magnet. A sleeve 111 is integrally molded with a cap 11, the movement and rotation in the lateral direction are suppressed by fitting between the sleeve and a keeper 20, a magnet structure 10 and an adsorption object surface 211 of the keeper are continuously retained in parallel, and the original strong adsorption force can be continuously retained during mealtime. The sleeve is integrally molded by cold press as the same Cr based stainless magnetic material as the cap, and the engagement property with the keeper and manufacture easiness are realized without reducing the adsorption force.SELECTED DRAWING: Figure 4
Patent JP-2023130981-A (JP)
Title: Weathering structure for pipe penetration part and method for constructing the same
Inventor: SHIRAISHI JUNZO
IPC: F16L5/02
Filed: 2022-03-08
Abstract: To provide a weathering structure for a pipe penetration part that has a simple configuration and can reduce time and effort for construction, and to provide a method for constructing the same.SOLUTION: A weathering structure for a pipe penetration part includes: a pipe 2 installed so as to penetrate an opening 1a of a wall 1; a collar material 5 provided with a flange part 5b expanding on a radial outside in an end of a tubular trunk part 5a; and a support body 8 for fixing the pipe 2 to a building structure in the vicinity of the opening 1a of the wall 1. The collar material 5 is installed so that the pipe 2 penetrates the trunk part 5a thereof in an axial direction and the flange part 5b thereof comes into contact with the wall 1, where a seal material 6a is applied between the pipe 2 and the trunk part 5a and a seal material 6b is applied between the wall 1 and the flange part 5b.SELECTED DRAWING: Figure 1
Patent JP-2023131942-A (JP)
Title: Semiconductor device and manufacturing method of semiconductor device
Inventor: OKUBO KENICHI
IPC: H01L21/336
Filed: 2022-03-10
Abstract: To provide a semiconductor device capable of improving breakdown voltage performance with a further compact structure.SOLUTION: A semiconductor device includes: a first-conductivity-type source region composed of a first semiconductor material; a second-conductivity-type channel region adjacent to the source region and composed of the first semiconductor material; a second-conductivity-type first drain region adjacent to the channel region, and composed of a second semiconductor material having a bandgap larger than a bandgap of the first semiconductor material; and a first-conductivity-type second drain region adjacent to the first drain region and composed of the second semiconductor material.SELECTED DRAWING: Figure 1
Patent JP-2023134117-A (JP)
Title: Fitting
Inventor: ISHII HIRONORI
IPC: E06B3/96
Filed: 2022-03-14
Abstract: To facilitate a sliding sash assembly work.SOLUTION: An upper frame 22B and a vertical frame 24B of an outer sliding sash 20B are connected to each other in an end-to-end manner in such a manner that: an end face of an outer metal fin 51 of the upper frame 22B is in contact with an extended edge of a vertical metal fin 71 of the vertical stile 24B, and concurrently metal frame bases 51a and 71a are connected to each other with the end face of the outer metal frame base 51a of the upper frame 22B in contact with the prospective inner side of the vertical metal frame base 71a of the vertical frame 24B; an end face of an outer plastic fin 52b of the upper frame 22B is in contact with an extended edge of a vertical plastic fin 72b of the vertical frame 24B; and at the end of the vertical frame 24B, an outer sliding piece 80 is provided that covers a portion of the metal frame 51 of the upper frame 22B housed in the vertical frame 24B.SELECTED DRAWING: Figure 8
Patent JP-2023136298-A (JP)
Title: Multilayer board, multilayer board manufacturing method, and electronic device
Inventor: IIDA KENJI
IPC: H05K3/46
Filed: 2022-03-16
Abstract: To make the manufacturing process short, lower a resistance value between layers, and improve an allowable current value.SOLUTION: A multilayer board includes a plurality of insulating layers 24, and a plurality of patterned metal layers 12 formed on both sides of the insulating layer 24. Between the metal layers 12 and 12, a layer connected between layers by plated vias 14, and layers connected between the layers by paste vias 16 filled with a conductive paste are included in a multilayer board 20 whose layers are connected by vias.SELECTED DRAWING: Figure 1
Patent JP-2022101539-A (JP)
Title: Humanized or chimeric cd3 antibodies
IPC: C07K16/42
Filed: 2022-03-17
Abstract: PROBLEM TO BE SOLVED: To provide humanized or chimeric antibodies binding to CD3. 
     SOLUTION: A humanized or chimeric antibody binding to human CD3 comprises a binding region comprising heavy chain variable (VH) regions CDR1, CDR2 and CDR3 respectively having a specific sequence, another specific sequence and yet another specific sequence, and light chain variable (VL) regions CDR1, CDR2 and CDR3 respectively having yet another specific sequence, the sequence GTN, and a different specific sequence or a further different specific sequence. 
     SELECTED DRAWING: Figure 1 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2023137304-A (JP)
Title: Construction method and construction device of linear accuracy confirmation observation hole for tunnel excavation
Inventor: MASUDA MASAAKI
IPC: E21D11/08
Filed: 2022-03-18
Abstract: To provide a construction method of a linear accuracy confirmation observation hole allowing leakage at a connection section between a penetration pipe and tunnel lining to be prevented for a long period, a construction period for the linear accuracy confirmation observation hole to be shortened, and weight upon construction associating with cut-off construction to be minimized, through securing cut-off performance at the connection section between the penetration pipe and the tunnel lining used as the linear accuracy confirmation observation hole upon the construction.SOLUTION: A construction method comprises steps of: installing a sealing box 40 covering a circumference of a penetration position of a penetration pipe 30 on an inner surface side of a tunnel; inserting freezing pipe 60 from the inner surface of the tunnel in the penetrating pipe 30 after installing the penetrating pipe 30 as penetrating through the tunnel lining (skin plate 10); and constructing frozen soil 100 around a connection section between the tunnel lining and the penetration pipe 30. Then, a step of welding the connection section between the tunnel lining and the penetration pipe 30 is carried out. After that, a step of removing the freezing pipe 60 and members used the installation is carried out to use the penetration pipe 30 as a linear accuracy confirmation observation hole.SELECTED DRAWING: Figure 12
Patent JP-2023141071-A (JP)
Title: Developer storage container, and image forming apparatus
Inventor: TSUTSUMI MASAHIRO
IPC: G03G15/08
Filed: 2022-03-23
Abstract: To provide a developer storage container that allows reuse of a cap and can prevent the cap from coming off from a filling port, and an image forming apparatus.SOLUTION: A toner container comprises: an opening 52 that is used for filling toner into a container body that stores toner; projection ribs 61 that project in an opening direction D7 of the opening 52 at an edge of the opening 52; a flexible cap 53 that has first hole parts 75 into which the projection ribs 61 are inserted and closes the opening 52; and come-out prevention members 54 that sandwich the first hole parts 75 between the edge of the opening 52 and the come-out prevention members.SELECTED DRAWING: Figure 6
Patent JP-2023141322-A (JP)
Title: Transfer device and image formation apparatus
Inventor: TEJIMA SATOSHI
IPC: G03G15/16
Filed: 2022-03-23
Abstract: To provide a transfer device and an image formation apparatus which can suppress reduction in detection accuracy of an image in comparison to a case of detecting an image of a transfer belt of a curved portion wound around a roll in such a structure that the attitude of the transfer belt changes.SOLUTION: A transfer device comprises: an endless member; a primary transfer member which transfers an image of a plurality of image holding bodies to the endless member; a secondary transfer member which transfers the image to a recording medium; an application roll which is arranged on the downstream side of the primary transfer member and on the upstream side of the secondary transfer member and applies the tension to the endless member; an upstream roll which is arranged on the downstream side of the primary transfer member and on the upstream side of the application roll; a contact/separation member which moves at least a portion of the primary transfer member; a detection member which is opposed to the endless member of a portion between the application roll and the upstream roll and detects an image of the endless member; and a positioning mechanism which positions the detection member by changing the attitude of the detection member following the change in the attitude of the endless member.SELECTED DRAWING: Figure 5
Patent JP-2023142203-A (JP)
Title: head protection airbag device
Inventor: KITAMURA MASACHIKA
IPC: B60R21/08
Filed: 2022-03-24
Abstract: To provide a head protection airbag device capable of protecting the head of an occupant with a simple configuration.SOLUTION: Provided is a head protection airbag device M capable of protecting the head MH of an occupant MD seated on a seat 3 of a vehicle. An end edge 7a side of a roof 7 in a vehicle being a side of the occupant is provided with: an airbag 25 arranged in a folded state and configured to be deployed downward to cover the side of the head of the occupant when an external force is applied from the side of the vehicle; and guide means GM that guides the airbag for deploying downward from a stored position to a deployed position. The airbag includes: an indoor side wall part 27 arranged in the indoor side when inflation is completed; an outdoor side wall part 28 arranged in the outdoor side; and a connection wall part 29 that connects end edges of the indoor side wall part and the outdoor side wall part. In a region of the connection wall part, an air intake hole 35 into which atmospheric air can flow when the airbag is deployed downward is installed.SELECTED DRAWING: Figure 10
Patent JP-2023142446-A (JP)
Title: Cooker
Inventor: UMEZAWA KOICHI
IPC: A47J27/00
Filed: 2022-03-25
Abstract: To provide a cooker capable of performing cooking including a use of liquid and facilitating attachment/detachment of a container for storing food materials.SOLUTION: A cooker is characterized in that an upper lid and a lower lid are rotatably supported by a hinge, a removable container is stored in a heating chamber formed of the upper lid and the lower lid, heating objects are heated, with liquid put in the container, and when a hinge side of the upper lid is a rear side, the thickness in a height direction of the upper lid on a front side of the upper lid is defined as an engagement line that is higher than the thickness in the height direction of the upper lid on a rear side of the upper lid.SELECTED DRAWING: Figure 1
Patent JP-2023145277-A (JP)
Title: Paved road surface repair device
Inventor: YAMAZAKI TAKASHI
IPC: E01C23/06
Filed: 2022-03-28
Abstract: To provide a pavement road surface repair device which is a mechanical device for repairing pot-holes and cracks on paved road surfaces, provided with a measuring device that measures the position, size, depth, shape, etc. of pot-holes and cracks, as well as traveling distances and speed of the mechanical device, and a filling device which supplies a necessary amount of repair materials to the necessary positions to repair pot-holes and cracks based on information obtained by the measuring device, and fills the pot-holes and cracks with the repair materials, the measuring device and filling device being mounted on one trolley or vehicle, wherein the road surface repair device may alternatively be provided with a cleaning device which removes water and debris from pot-holes and cracks as pretreatment for filling repair materials into pot-holes and cracks.SELECTED DRAWING: Figure 1
Patent JP-2023148452-A (JP)
Title: Sintered body and cutting tool
Inventor: KOJIMA SHIGETO
IPC: C22C1/051
Filed: 2022-03-30
Abstract: To provide a sintered body and a cutting tool having excellent wear resistance and chipping resistance under high-speed machining.SOLUTION: There is provided a sintered body which contains hard particles mainly composed of TiN, TiC, TiCN, or (Ti, M) (C, N) (M is one or more elements selected from Groups 4 to 6 of the Periodic Table (excluding Ti element)) and a binder phase containing at least one of Co and Ni. The binder phase further contains at least one selected from Mo and W. The sintered body contains an intermetallic compound of Co and/or Ni and Mo and/or W.SELECTED DRAWING: Figure 1
Patent JP-2023148857-A (JP)
Title: Piping structure
Inventor: KIMURA EIJI
IPC: F16L57/00
Filed: 2022-03-30
Abstract: To provide a piping structure capable of preventing water from entering the inside in a radial direction with respect to a cover.SOLUTION: A piping structure 1 comprises: a collective pipe joint 10 having a joint body 24 having vertical pipe connection parts 16, 21 connectable to vertical pipes P1, P5, and a horizontal pipe connection part 17 protruding toward the outer peripheral surface of the joint body and connectable to a horizontal pipe P3; and a cover 30 that covers the collective pipe joint. The cover has: a body cover 39 that has a through hole 30a in which the horizontal pipe connection part is arranged, and covers the joint body; and a branch cover 36 that protrudes outward from an opening peripheral part of the through hole in the body cover, and covers the horizontal pipe connection part. The cover comprises a first sealing part 45 that covers the horizontal pipe connection part and the branch cover.SELECTED DRAWING: Figure 1
Patent JP-2023151273-A (JP)
Title: Image processing apparatus, image processing method, microscope system, program, and storage medium
Inventor: RYUZAKI AKIHIRO
IPC: G02B21/36
Filed: 2022-03-31
Abstract: To provide a technique that can easily detect an area of an observation object to be observed by a microscope even in an out-of-focus state.SOLUTION: An image processing apparatus according to the present disclosure has: acquisition means that acquires image data photographed through a microscope; first color information acquisition means that acquires first color information from the image data; and detection means that detects an area of an observation object from the image data. The first color information is information related to chroma. The detection means detects an area in which a value of chroma based on the first color information is larger than a predetermined threshold as the area of the observation object in the image data.SELECTED DRAWING: Figure 1
Patent JP-2023154322-A (JP)
Title: Information processing device, information processing method and program
Inventor: KASUYA MAKOTO
IPC: G06Q50/04
Filed: 2022-04-06
Abstract: To provide an information processing device, an information processing method and a program capable of managing and operating a plant by utilizing knowhow of tacit knowledge or the like of experiences and techniques of an operator.SOLUTION: An information processing device includes a learning part for making a model learn on the basis of an input and an output of each processing step of a plant, an analysis part for using the learned model and converting tacit knowledge when a plant operator performs setting for management and operation into explicit knowledge by using past data being an operation result data in a prescribed time unit inputted in the past to analyze operations related to the plant, and a processing part for inputting the operation result data in the prescribed time unit inputted by the plant operator in an application, and making data of the application an object.SELECTED DRAWING: Figure 2
Patent JP-2023157443-A (JP)
Title: torque sensor
Inventor: KURIHARA KENJI
IPC: G01L3/10
Filed: 2022-04-15
Abstract: To enable the detection errors of torque to be suppressed, as compared with prior art.SOLUTION: The torque sensor comprises: a flange 1 that has an outer circumferential fastening part 11 having holes provided on outer circumference, an inner circumferential fastening part 12 having holes provided on inner circumference, a plurality of slit parts 13 provided between the outer and inner circumferential fastening parts, and a sensing part 14 provided between the slit parts; a mounting member 2 that is located in the sensing part and has a first outer circumferential connecting part connected to the outer circumference of the flange, a first inner circumferential connecting part connected to the inner circumference of the flange, and a first mounting part provided between the first outer circumferential connecting part and first inner circumferential connecting part; and a sensor element 3 that is joined to the first mounting part. The mounting member between a connection part of the first outer circumferential connecting part and the first mounting part and/or between the connection part of the first inner circumferential connecting part and the first mounting part is composed to have lower rigidity than that of the connection part in the flange.SELECTED DRAWING: Figure 1
Patent JP-2023157492-A (JP)
Title: Data processing device and program
Inventor: NINOMIYA SHIGEKI
IPC: G06Q30/0251
Filed: 2022-04-15
Abstract: To provide a data processing device and program capable of supporting the planning of promotions corresponding to various recipients.SOLUTION: In a promotion supporting system, a promotion supporting server 30 is equipped with a machining part 312 that analyzes promotion information describing project contents of a promotion, generalizes elements described in the promotion information, and creates recipient information indicating characteristics of each attribute of the recipients, on the basis of the attribute and behavior history of the recipient collected from the plurality of recipients, an analyzing part 313 that derives a first target model expressing a recipient image on the basis of the elements generalized by the machining part 312 and a second target model expressing a recipient image for each attribute on the basis of the recipient information, and a target model deciding part 3141 that decides a target model to be promoted, on the basis of the first target model and the second target model.SELECTED DRAWING: Figure 3
Patent JP-2023159978-A (JP)
Title: 貯湯給湯システム
IPC: F24H15/429
Filed: 2022-04-21
Abstract: 【課題】太陽光発電システムの自立給電を受けて貯湯した湯水を安全且つ容易に使用することができる貯湯給湯システムを提供すること。【解決手段】ヒートポンプ熱源機(30)と、貯湯タンク(12)と、ヒートポンプ熱源機(30)によって加熱した湯水を貯湯タンク(12)に貯湯する貯湯運転及び貯湯タンク(12)の湯水を給湯設定温度に調整して給湯する給湯運転を制御する制御手段(15)を有し、商用電力の停電時に太陽光発電システム(1)の自立給電を受けて貯湯運転及び給湯運転を行う自立運転モードを備えた貯湯給湯システム(10)において、自立運転モードの貯湯運転を行う貯湯時間帯を設定する貯湯時間帯設定手段(25)をさらに備え、自立運転モードでは、制御手段(15)が貯湯時間帯に貯湯運転によって貯湯した貯湯タンク(12)の湯水を、貯湯時間帯に温度調整して浴槽(7)に湯張りする湯張り運転を行うように構成した。【選択図】図４
Patent JP-2023164105-A (JP)
Title: システム、表示制御装置、およびプログラム
IPC: G06Q50/12
Filed: 2022-04-28
Abstract: 【課題】施設スタッフが順番待ちの顧客を効率よく案内することを支援すること。【解決手段】本発明の一態様であるシステムは、施設の利用予約を示す予約情報を登録するシステムであって、表示制御手段と、受付手段とを備える。表示制御手段は、第１表示領域と、第２表示領域と、第３表示領域と、を含む表示画面内の前記第１表示領域に、前記施設内の第１端末装置によって登録された予約情報を表示し、前記第２表示領域に、前記第１端末装置とは異なる第２端末装置によって登録された予約情報を表示部に表示させる表示制御手段。受付手段は、前記第１表示領域に表示される予約情報と、前記第２表示領域に表示される予約情報とのうち、案内の順番となった予約情報の選択を操作者から受け付ける。前記表示制御手段は、前記案内の順番となった予約情報を、前記第３表示領域に移動させて表示させる。【選択図】図８
Patent JP-2023164205-A (JP)
Title: 植物栽培装置の配管構造
IPC: A01G31/00
Filed: 2022-04-29
Abstract: 【課題】植物栽培装置に使用可能であって、栽培棚のレイアウト変更に合わせて配管の長さ等を容易に変更可能な、植物栽培装置の配管構造の提供を課題とする。【解決手段】植物栽培装置の配管構造を、枠体に設置される栽培棚に取り付け可能な植物栽培装置の配管構造において、前記栽培棚に養液を流入する流入管と、前記栽培棚の養液を流出する流出管と、配管上に備えた管体の軸に沿って伸縮可能な伸縮部と、から成り、前記伸縮部は、外管と、前記外管に挿入される内管と、前記外管又は前記内管の少なくとも一方は他方に対して水密に当接するシール部材とを少なくとも一つ有し、水密を維持した状態で前記管体の長さを調整可能として構成する。【選択図】図２０
Patent JP-2023165137-A (JP)
Title: 発光素子駆動回路及び発光装置
IPC: H05B45/00
Filed: 2022-05-02
Abstract: 【課題】任意の複数チャンネルの光源を点灯開始時間のずれを少なくして点灯させることができる発光素子駆動回路を提供する。【解決手段】発光素子駆動回路（２１）は、複数の第１スイッチ（ＲＹ１～ＲＹ４）と、少なくとも一つの第２スイッチ（ＳＷ１）と、を備える。前記複数の第１スイッチの第１端それぞれは共通接続されるように構成される。前記複数の第１スイッチの第２端それぞれは複数の光源（ＬＤ１～ＬＤ４）それぞれに接続されるように構成される。前記複数の光源それぞれは少なくとも一つの発光素子を含み、前記少なくとも一つの第２スイッチは、前記第１スイッチ及び前記光源の直列接続体が複数並列接続された並列回路に対して直列接続されるように構成される。【選択図】図１
Patent JP-2023170579-A (JP)
Title: 情報処理装置、情報処理方法、およびプログラム
IPC: G06Q30/06
Filed: 2022-05-19
Abstract: 【課題】従来、ユーザが指定した場所と時間において、所定期間に２回以上、テイクアウト商品を簡易に受け取る仕組みが存在しなかった。【解決手段】所定期間に２回以上テイクアウト商品を受け取るユーザを識別するユーザ識別子に対応付けて、場所識別子と時間情報とを有するユーザ固有情報を受信する固有情報受信部１２１と、受信した場所識別子と時間情報とをユーザ情報格納部１１２に蓄積する蓄積部１３１と、場所識別子と時間情報とを有する２以上の各提供元情報に対応付けて商品情報が格納される商品情報格納部１１３から、ユーザ情報が有する場所識別子と時間情報とに対応する商品情報を取得する商品情報取得部１３３と、取得した商品情報を、ユーザ端末２に送信する商品情報送信部１４１とを具備する情報処理装置１により、ユーザが指定した場所と時間において、所定期間に２回以上、テイクアウト商品を簡易に受け取れるプラットフォームを提供できる。【選択図】図３
Patent JP-2023171060-A (JP)
Title: 照明装置、及び、バイタル情報管理システム
IPC: F21V23/04
Filed: 2022-05-20
Abstract: 【課題】より適切に構成された照明装置等を提供する。【解決手段】照明装置１００は、光を発する発光素子１０３と、ユーザ（対象者）からの電波をセンシングすることによって、ユーザのバイタル情報を取得する電波センサ１０２と、取得したバイタル情報を、外部のサーバ装置２００であって、バイタル情報に基づく分析を行うサーバ装置２００に送信するための通信アンテナが内蔵された通信部１０１と、を備える。【選択図】図２
Patent JP-2023172210-A (JP)
Title: パッキンの製造方法
IPC: F16J15/12
Filed: 2022-05-23
Abstract: 【課題】本開示に係るパッキンの製造方法は、様々な大きさ、又は／及び、様々な形状のパッキンを製造できる。【解決手段】本開示に係るパッキンの製造方法は、芯材と、前記芯材を覆うゴム製又は樹脂製の第１被覆体を有する環状のパッキンの製造方法であって、前記芯材に第１被覆体が被覆された長尺部材を成形し、前記長尺部材の両端部において、所定の長さの前記芯材を突出させ、前記突出させた両端部の芯材を接合して接続部を形成し、前記接続部にゴム製又は樹脂製の第２被覆体を被覆するものである。【選択図】図１０