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    • 1. 发明授权
    • 씨임용접금속관의제조방법
    • KR100418302B1
    • 2004-06-16
    • KR1019950705861
    • 1994-06-15
    • 이도드 시스템즈, 엘씨
    • 데오도르H.크렌겔존J.보르짐찰스A.윌렛츠
    • B23K31/02B23K101/06
    • C23C2/26B05B13/0618B05C3/12B05C9/10B05C9/12B21C37/08B21C37/0807B21C37/0822B21C37/083B21C37/09B23K11/062B23K11/166B23K13/025B23K2201/06C23C2/38C23C26/02
    • The method of forming a seamed metal tube having a metal coating of this invention includes galvanizing the strip prior to welding. The strip is then formed into an open seam tube and welded in an inert atmosphere with the seam located in the lower portion of the tube. Finally, the metal coating is caused to flow downwardly over the seam, coating the seam by several means. In one embodiment, the strip is preformed into an arcuate shape and galvanized, wherein the zinc coating increases in thickness toward the lateral strip edges, such that the coating will flow over the seam following welding. The tube may also be reheated following welding, preferably in an enclosure containing an inert atmosphere which includes the weld apparatus. In another embodiment, an inert gas is directed over the inner and outer surfaces of the tube, adjacent the seam, driving the molten metal downwardly over the seam to coat the seam. In another embodiment, the lateral edges of the strip are formed with indentions or grooves directed toward the lateral edges which direct the molten metal downwardly over the seam.
    • 形成具有本发明的金属涂层的接缝金属管的方法包括在焊接之前对条进行镀锌。 然后将带材成形为开口接缝管,并在惰性气氛中与位于管下部的接缝焊接。 最后,使金属涂层在接缝上向下流动,通过多种手段涂覆接缝。 在一个实施方案中,所述带被预成型为弓形形状并被镀锌,其中所述锌镀层朝向所述横向带边缘厚度增加,使得所述涂层在焊接之后将流过所述接缝。 管也可以在焊接之后再加热,优选在包含惰性气氛的外壳中,其包括焊接设备。 在另一个实施例中,将惰性气体引导到管子的内表面和外表面上,邻近接缝,将熔融金属向下驱动到接缝上以涂覆接缝。 在另一个实施例中,带的横向边缘形成有指向侧边的凹痕或凹槽,其将熔融金属向下引导到接缝上方。
    • 7. 发明公开
    • 구리 및 구리 합금으로 이루어진 용접 파이프 제조 방법
    • 铜及铜合金焊接管的制造方法
    • KR1020010022528A
    • 2001-03-15
    • KR1020007001117
    • 1998-07-01
    • 에스엠에스 그룹 게엠베하
    • 롤러에를링칼케닝스페터베렌데스헤르베르트
    • B21C37/08
    • B21C37/0811B21B3/003B21B17/00B21B2003/005B21C37/06B21C37/083B21C37/30Y10T29/49991
    • 초기재료주조설비, 열간압연기, 파이프성형및 용접기, 그리고용접파이프용인발장치(drawing device for the welded pipe)로구성된복합적생산라인(combined production line)에서구리및 구리합금으로이루어진파이프제조방법에있어서, a) 연속적인일차스트립(initial strip)을주조하는단계, b) 상기주조된일차스트립을소정압연속도(= 주조속도 × 45 내지 200mm 사이의폭과 10 내지 70mm 사이의두께의측정영역을갖는중간스트립(intermediate strip)으로형성하기위한신장량)에서열간압연하는단계, c) 중간스트립을 100℃이하의실온(room temperature)까지냉각하며, 중간스트립표면에서스케일을제거하는단계, d) 상기중간스트립을스트립으로냉간압연하는단계, e) 트림밍되지않은(untrimmed) 스트립을소정중량을가진묶음(bundle)으로코일링(coiling)하는단계, f) 상기코일된스트립을풀어서종방향이음매파이프로성형하는단계, g) 상기종방향이음매부분을용접하여용접파이프(longitudinally welded pipe)로만드는단계, h) 필요한경우, 상기파이프의외부및 내부를다듬는(de-burring) 단계, i) 곧바로이어서또는중간저장소이후에이루어지는최종작업단계이전의규격측정(calibration) 단계, j) 상기용접파이프가미완성인경우, 상기용접파이프를적어도하나의인발공정에서최종파이프로인발하는단계를 포함하고, 상기단계 a) 내지단계 e)는온라인공정(on-line process)에서이루어지고, 상기단계 f) 내지단계 j)는단계 e) 이후에곧바로, 또는중간저장이후의후속적인작업단계로서실행된다.