[특허]Resistance welding fastener electrode

[미국특허] Resistance welding fastener electrode 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B23K-009/24
출원번호	US-0360237 (2003-02-06)
발명자 / 주소	Cabanaw, Daniel Martin
출원인 / 주소	Doben Limited
대리인 / 주소	Carlson, Gaskey &
인용정보	피인용 횟수 : 3 인용 특허 : 14

초록 ▼

A welding assembly is provided for welding a fastener to an object such as a vehicle body panel. The assembly includes a weld gun having first and second electrodes movable relative to one another between an open position and a closed position. The first electrode includes a housing assembly. A pin is received in the housing assembly and is movable when in said closed position between a desired nut position, and upside down nut position, and a no nut position. An optical sensor has a terminal end space from the pin for direction light thereon. The terminal end of the sensor received reflected light from the pin. A sensor control system processes the reflected light into a signal corresponding to one of the desired nut, upside down nut, and no nut positions.

대표청구항 ▼

1. A method of resistance welding a fastener comprising the steps of:a) loading a fastener onto a pin; b) closing opposing weld gun electrodes about an object; c) displacing the pin; and d) measuring a weld gun component associated with movement of the pin. 2. The method according to claim 1, wherein the weld gun component is the pin.3. The method according to claim 1, preceding step a) including the step of inserting the pin into an aperture in the object.4. The method according to claim 1, including the step of indicating one of a desired nut position, upside down nut position, and no nut position for the pin displacement.5. The method according to claim 4, including the step of generating a weld gun fault for the upside down nut and no nut positions.6. A method of resistance welding a fastener comprising the steps of:a) loading a fastener onto a pin; b) closing opposing weld gun electrodes about an object; c) axially displacing the pin relative to a body that houses the pin; and d) measuring the displacement of the pin. 7. The method according to claim 6, wherein step d) includes directly measuring movement of the pin.8. The method according to claim 6, wherein step d) includes measuring a weld gun component associated with movement of the pin.9. The method according to claim 6, including the step of indicating one of a desired nut position, upside down nut position, and no nut position for the pin displacement, step c) beginning once one of the opposing electrodes has engaged a nut on the pin during step b) thereby creating electrical contact between the opposing electrodes.10. The method according to claim 9, including the step of generating a weld gun fault for the upside down nut and no nut positions.11. The method according to claim 6, wherein one of the opposing electrodes provides the housing and the pin, the pin stationary relative to the body during at least a portion of step b).12. A method of resistance welding a fastener comprising the steps of:a) loading a fastener onto a pin; b) closing opposing weld gun electrodes about an object, the pin stationary during at least a portion of step b); c) displacing the pin; and d) measuring a weld gun component indicative of movement of the pin.

이 특허에 인용된 특허 (14) 인용/피인용 타임라인 분석

DeBell George C. (Plymouth MI) Allor Richard L. (Livonia MI) Oblinger Fred G. (Livonia MI) Pett Robert A. (Franklin MI), Composite insulating weld nut locating pin.
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Killian Michael L. (Troy MI), Electrode displacement monitoring and control.
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Aoyama Yoshitaka,JPX ; Aoyama Shoji,JPX, Electrode for electric resistance welding.
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Visscher Paul R., Electrode inspection system.
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Kanjo Mitsunori,JPX, Electrode position detecting system and method for spot welders.
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Schaft Edwin E. (Berea OH) Yeager Kenneth A. (Olmsted Falls OH), Method and apparatus for positioning nuts to be welded to a base.
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Tobita Hideaki (Toyota JPX) Naruse Kazuo (Okazaki JPX) Yajima Shigeru (Nagoya JPX), Projection welder.
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Cecil Dimitrios G. ; Nemazi John E., Quality control system for a clinching station.
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Cecil Dimitrios G., Resistance projection welding system and method for welding a fastener element to a workpiece.
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Cecil Dimitrios G. (1277 Ashover Dr. Bloomfield Hills MI 48304), Resistance projection welding system and method for welding a projection weld nut to a workpiece.
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Kanjo Mitsunori,JPX, Spot welding control system and control method.
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Kanjo Mitsunori,JPX, Spot welding system and spot welding method and nugget diameter estimation system and nugget diameter estimation method.
상세보기
Tobita Hideaki (Toyota JPX) Naruse Kazuo (Okazaki JPX), Weld nut welding apparatus.
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Cecil Dimitrios G. ; Curcuri Jeremy J., Welding system with a real-time weld quality detection sensor.
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이 특허를 인용한 특허 (3) 인용/피인용 타임라인 분석

Raiche, Matthew; Kataiki, Masaomi; Schnipke, Kevin, Floating electrode assembly and automated system and method for welding projection weld nuts.
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Cabanaw,Daniel Martin, Resistance welding fastener electrode.
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Cabanaw, Daniel Martin; Beneteau, David M., Resistance welding fastener electrode and monitor and method of using same.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Resistance welding fastener electrode 원문보기