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Hydroforming of compound tubes 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B23K-031/02
출원번호 US-0049693 (1993-04-16)
발명자 / 주소
  • Bruggemann Charles J. (Rochester Hills MI) Poss Michael G. (St. Clair Shores MI) Shah Sanjay M. (Rochester Hills MI)
출원인 / 주소
  • General Motors Corporation (Detroit MI 02)
인용정보 피인용 횟수 : 81  인용 특허 : 0

초록 ▼

This invention teaches a method for producing a tubular structural member which can longitudinally vary in wall thickness, perimeter and material using the hydroforming process. This is accomplished by first fabricating a tube blank of the desired longitudinal combination of wall thickness, perimete

대표청구항 ▼

A method of making a tubular structural member having a selectively localized longitudinal variation in at least one of a wall thickness and a perimeter comprising the steps of: forming a first tube having a first diameter and a first wall thickness and a longitudinal axis; forming a second tube hav

이 특허를 인용한 특허 (81)

  1. Brown, James H., Apparatus and method for creating a seal on an inner wall of a tube for hydroforming.
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  32. Wang, Pei-Chung; Poss, Michael Gerard, Method for joining tubular members.
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  33. Marando,Richard A., Method for performing a hydroforming operation.
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  34. Kibben, Martin; Flehming, Thomas; Bl?mel, Klaus, Method for the production of a cold formed piece part made out of a steel plate.
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  35. Ash Stanley P., Method of forming and piercing a tube.
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  36. Bucholtz,Dennis; Barker,Earl; Simon, Jr.,Joseph A, Method of forming axles with internally thickened wall sections.
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  37. Bruggemann,Charles J., Method of forming thickened tubular members.
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  38. Moses David G., Method of hydroforming a front axle beam.
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  39. Bihrer Otto, Method of hydroforming multi-lateral members from round tubes.
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  40. Bruggemann,Charles J.; Lendway, IV,Joseph M.; Ni,Chi Mou, Method of joining hydroformed tubular members.
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  41. Shah, Sanjay Mahasukhlal; Lendway, IV, Joseph M.; Bruggemann, Charles J., Method of joining tubular members.
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  43. Smatloch, Christian; Lesch, Artur; Toparkus, Ingo; Steinbach, Gerhard; Kleinschmidt, Jurgen, Method of making an exhaust gas collector.
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  63. Dudziak, Kai-Uwe, Process for producing a circumferentially closed hollow profile.
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  75. Richard A. Marando, Vehicle body and frame assembly and method of manufacturing same.
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  76. Weissert Ulrich ; Goenueldinc Okan ; Cercone Marco ; Winslow Ross ; Wolf Andy ; Koehr Robert ; Heyll Rolf,DEX, Vehicle door structures incorporating hydroformed elements and processes for assembling such elements.
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  78. Gabbianelli, Gianfranco; Malczewski, Victor J.; Ashley, Richard, Welding assembly with nestable conductive ends.
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