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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0408907 (1982-08-17) |
우선권정보 | DE-3133665 (1981-08-26) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 17 인용 특허 : 5 |
An arrangement is disclosed for joining the tubes of a heat exchanger core to a connecting box, wherein the tubes are fastened to the connecting box and sealed, said tubes being secured to the connecting box by means of a friction joint and at least one space being provided for each tube surrounding
An arrangement sealingly joining tubes of a heat exchanger core to a connecting box, wherein said connecting box comprises a bottom with cylindrical openings through which the ends of the tubes extend, and the tubes are spread in said openings and joined to said bottom in said openings in a press fi
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