[특허]Electrode holder

Miura Co., Ltd.

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특허 상세정보

MyON담기

내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Electrode holder

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G01F-023/00
미국특허분류(USC)	204/228.2; 204/228.1; 073/304R; 073/304C; 073/866.5; 219/119
출원번호	US-0883634 (2005-12-27)
등록번호	US-8721849 (2014-05-13)
우선권정보	JP-2005-57088 (2005-03-02)
국제출원번호	PCT/JP2005/024223 (2005-12-27)
§371/§102 date	20070803 (20070803)
국제공개번호	WO2006/092905 (2006-09-08)
발명자 / 주소	Furukawa, Hideo Takeda, Tomohisa
출원인 / 주소	Miura Co., Ltd.
대리인 / 주소	Fox Rothschild LLP
인용정보	피인용 횟수 : 0 인용 특허 : 6

초록
▼

A substantially ring-shaped seat section (8) protrudes from an inner circumference wall in a through hole (4) of a container attaching section (6) made of a metal. On an outer circumference of an electrode shaft (3) held in the through hole (4) through an insulator (5) made of a synthetic resin, locking protrusions (13, 14), which have a diameter larger than a hole diameter of the seat section (8), are provided at a distance from the seat section (8), on at least inner side or outer side of the seat section (8) in a shaft direction of the electrode shaft (3). Thus, for instance, when the inside of the metal container (2) is at a high temperature, the insulator (5) is destroyed and the electrode shaft (3) is to jump out from the container attaching section (6) to the outside or the inside of the metal container (2), the locking protrusions (13, 14) lock the seat section (8) and prevent the electrode shaft (3) from jumping out. Furthermore, since a space provided between the electrode shaft (3) and the container attaching section (6) due to the destruction of the insulator (5) is covered by having the locking protrusions (13, 14) lock the seat section (8), leakage of a liquid in the metal container (2) can be suppressed to minimum even the insulator (5) is destroyed.

대표
청구항
▼

1. An electrode holder, comprising: an electrode shaft having a first end as a terminal portion and a second end as a detection electrode portion;a container mounting portion formed of metal provided with a hexagonal head portion formed on an upper portion of the container mounting portion and a male thread portion formed on an outer periphery of a lower portion thereof, wherein a through-hole is formed along an axis of the hexagonal head portion and the male thread portion, and the electrode shaft is held coaxially in an interior portion of the through-hole; andan insulator formed of a synthetic resin configured to integrate the electrode shaft with the container mounting portion by mediating between an outer periphery of the electrode shaft and an inner periphery of the through-hole formed along an axis of the hexagonal head portion and the male thread portion,the electrode shaft passing through a hole portion of a metal container and being mounted to the metal container by the container mounting portion in a state where the electrode shaft is electrically insulated from the metal container by the insulator, characterized in that:the container mounting portion is provided with, in the through-hole formed along an axis of the hexagonal head portion and the male thread portion, a seat portion having a substantially ring shape and protruding in an orthogonal direction of the electrode shaft from the inner peripheral wall of the through-hole;the electrode shaft is provided with, on a surface thereof, an engagement protruding portion being spaced apart from the seat portion to the detection electrode portion side and having a larger diameter than a hole diameter of the seat portion, wherein the engagement protruding portion engages with the seat portion when the electrode shaft tries to burst out of the metal container from the container mounting portion; andthe engagement protruding portion provided on the electrode shaft surface is positioned to be spaced apart from the seat portion by the insulator. 2. The electrode holder according to claim 1, characterized in that: a rotation stop portion is provided on a contact surface between the electrode shaft and the insulator; anda rotation stop portion is provided on a contact surface between the container mounting portion and the insulator. 3. The electrode holder according to claim 1, characterized in that inside the through-hole of the container mounting portion and in the outer periphery of the electrode shaft, a protrusion is provided, which has a receiving surface abutting on the moving insulator orthogonally or at an acute angle with respect to a moving direction of the insulator, for receiving movement of the insulator expanding or contracting in the axial direction of the electrode shaft. 4. The electrode holder according to claim 1, characterized in that: the insulator comprises an inner insulating layer covering the electrode shaft while coming into contact therewith and an outer insulating layer covering a portion of an outer periphery of the inner insulating layer, which is exposed to inside the metal container when mounted to the metal container;the inner insulating layer is formed of engineering plastic having heat resistance, high-pressure resistance, and chemical resistance; andthe outer insulating layer is formed of a resin excellent in water repellency. 5. The electrode holder according to claim 4, characterized in that: the engineering plastic is polyether ether ketone; and the resin excellent in water repellency is an ethylene fluoride-fluoroalkoxyethylene copolymer. 6. The electrode holder according to claim 4 or 5, characterized in that the outer insulating layer engages with an engagement groove formed in an end portion of the container mounting portion so that the outer insulating layer do not move in the axial direction of the electrode shaft and engages with an engagement groove formed in a detection electrode portion of the electrode shaft so that the outer insulating layer do not move in the axial direction of the electrode shaft. 7. An electrode holder, comprising: an electrode shaft having a first end as a terminal portion and a second end as a detection electrode portion;a container mounting portion formed of metal provided with a hexagonal head portion formed on an upper portion of the container mounting portion and a male thread portion formed on an outer periphery of a lower portion thereof, wherein a through-hole is formed along an axis of the hexagonal head portion and the male thread portion, and the electrode shaft is held coaxially in an interior portion of the through-hole; andan insulator formed of a synthetic resin configured to integrate the electrode shaft with the container mounting portion by mediating between an outer periphery of the electrode shaft and an inner periphery of the through-hole formed along an axis of the hexagonal head portion and the male thread portion,the electrode shaft passing through a hole portion of a metal container and being mounted to the metal container by the container mounting portion in a state where the electrode shaft is electrically insulated from the metal container by the insulator, characterized in that:the container mounting portion is provided with, in the through-hole formed along an axis of the hexagonal head portion and the male thread portion, a seat portion having a substantially ring shape and protruding in an orthogonal direction of the electrode shaft from the inner peripheral wall of the through-hole;the electrode shaft is provided with, on a surface thereof, an engagement protruding portion being spaced apart from the seat portion to the terminal portion side and having a larger diameter than a hole diameter of the seat portion, wherein the engagement protruding portion engages with the seat portion when the electrode shaft tries to burst into the metal container from the container mounting portion; andthe engagement protruding portion provided on the electrode shaft surface is positioned to be spaced apart from the seat portion by the insulator.

이 특허에 인용된 특허 (6)

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구성항목	관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표IPC 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 공고번호, 공고일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표출원인, 출원인국적, 출원인주소, 발명자, 발명자E, 발명자코드, 발명자주소, 발명자 우편번호, 발명자국적, 대표IPC, IPC코드, 요약, 미국특허분류, 대리인주소, 대리인코드, 대리인(한글), 대리인(영문), 국제공개일자, 국제공개번호, 국제출원일자, 국제출원번호, 우선권, 우선권주장일, 우선권국가, 우선권출원번호, 원출원일자, 원출원번호, 지정국, Citing Patents, Cited Patents
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특허 상세정보

Electrode holder

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이 특허에 인용된 특허 (6)

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Electrode holder

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이 특허에 인용된 특허 (6)

IPC 상위 출원인

과제정보

상세정보조회

원문조회

IPC 상세정보(version : 201201)

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