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31. 发明专利

JPS6357133B2 失效
公开(公告)号：JPS6357133B2
公开(公告)日：1988-11-10
申请号：JP13323980
申请日：1980-09-24
申请人： SUMITOMO KINZOKU KOGYO KK , SUMIKIN KIKO KK
发明人： KOJIMA MASAYASU , EBUKURO TADAO , OOMORI TATSUO , OONO HIROSHI
IPC分类号： B21C37/15 , B21C37/28 , B21D22/26 , B21D51/16 , F16L25/00

32. 发明专利

JPS6156746A Expanding method of seamless steel tube 失效
标题翻译：无缝钢管的膨胀方法
公开(公告)号：JPS6156746A
公开(公告)日：1986-03-22
申请号：JP17728284
申请日：1984-08-25
申请人： Sumikin Kiko Kk , Sumitomo Metal Ind Ltd
发明人： TSUKAMOTO KAZUNARI , YAMAZAKI MASATAKE , SATO TOSHIO
IPC分类号： B21D39/20 , B21D41/02
CPC分类号： B21D39/20
摘要： PURPOSE:To product the material yield and large tubes efficiently and reduce the cost by inserting a seamless steel material into a sticky mantrel with a head tube diameter and reducing a thickness of the tube diameter while heating the spot subsequently in the vicinity of a taper part. CONSTITUTION:A seamless steel material 1 is inserted into a mandrel 1, where a taper part 22 and a parallel plug part 22 are provided with slopes on their edge, and a mandrel edge part 2 is fixed and supported by a chack 4. A material 1 is pushed by a pusher head 5 and a high frequency heating coil 3 around and in the vicinity of the taper 22 and the material 1 are heated by a ring-like gas burner, and tube diameter reducing thickness is discharged from a plug part 21 to reduce the deforming resistance and facilitate tube diameter reducing with less resistance. If a peripheral steel of the plug 21 is pressed, a tube diameter becomes more homogeneous and better. A smaller edge of the plug part 21 prevents the resistance by cooling shrink of the steel.
摘要翻译：目的：通过将无缝钢材插入到具有头管直径的粘性幔筒中并减小管直径的厚度，同时在锥形部分附近加热斑点，从而有效地产生材料产量和大管，并降低成本。构成：将无缝钢材1插入心轴1中，其中锥形部分22和平行插塞部分22在其边缘上设置有斜面，并且心轴边缘部分2由绞缝4固定和支撑。材料 1通过推动头5和高频加热线圈3在锥形22周围和附近被推动，并且材料1被环形气体燃烧器加热，并且管直径减小厚度从插头部21排出以减小变形阻力，并且以较小的阻力促进管径减小。如果塞子21的周边钢被按压，则管直径变得更均匀和更好。插头部21的较小的边缘通过冷却钢的收缩来防止电阻。

33. 发明专利

JPS6156725A Cold extension method of outer face plating metal tube 失效
标题翻译：外部金属管的冷延伸方法
公开(公告)号：JPS6156725A
公开(公告)日：1986-03-22
申请号：JP17720184
申请日：1984-08-24
申请人： Sumikin Kiko Kk , Sumitomo Metal Ind Ltd
发明人： YABUKI NORIHIRO , TAKAHASHI KEIZO
IPC分类号： B21C3/02
摘要： PURPOSE: To elevate the quality improvement of a pipe and work efficiency by forming the approaching part of a die aperture in a two steps taper and by controlling the taper angle of the previous step and after step in the specified range.
CONSTITUTION: The inner face of the tip 5 of a die is composed of the two steps of the conical face 9 having a die cone angle θ
1 and the conical face 10 having larger cone angle θ
2 . The cone angle θ
1 is made in 2W10°, also the cone angle θ
2 is formed to make under 25° beyond the cone angle θ
1 . In this case if the difference between the cone angles θ
1 and θ
2 exceeds 10°, the boundary 11 is made a curved face without fail with adding an R part. With said method the peeling-off and cracks of the zinc plating layer, etc. of a metallic pipe are prevented and the quality can be improved also the work efficiency can be elevated.
COPYRIGHT: (C)1986,JPO&Japio
摘要翻译：目的：通过将模具孔的接近部分分成两级锥形，并通过控制前一步骤的锥角和步骤之后在规定范围内，提高管道的质量提高和工作效率。构成：模具的尖端5的内表面由锥形面9的两个台阶组成，圆锥面9具有锥形锥角θ1，圆锥面10具有较大的锥角θ2。锥角θ1为2-10度，锥角θ2也形成在25度以下。超出锥角θ1。在这种情况下，如果锥角θ1和θ2之间的差超过10度，则边界11通过添加R部而成为弯曲面。利用所述方法，可以防止金属管的镀锌层等的剥离和裂纹，并且可以提高质量，还可以提高工作效率。

34. 发明专利

JPS6047181B2 失效
公开(公告)号：JPS6047181B2
公开(公告)日：1985-10-19
申请号：JP258878
申请日：1978-01-13
申请人： SUMITOMO KINZOKU KOGYO KK , SUMIKIN KIKO KK
发明人： SATO MINORU , DANKI HARUJI
IPC分类号： B65H51/18

35. 发明专利

JPS6012142B2 失效
公开(公告)号：JPS6012142B2
公开(公告)日：1985-03-30
申请号：JP3823579
申请日：1979-03-30
申请人： SUMITOMO KINZOKU KOGYO KK , SUMIKIN KIKO KK , MEIDENSHA KK
发明人： KAGEYOSHI IWAO , MOROOKA WAHEI , SAITO SUSUMU , SASAKI HISAO
IPC分类号： B21D7/16 , F27D11/06

36. 发明专利

JPS5919025A Manufacture of t-pipe joint 失效
标题翻译： T型管接头的制造
公开(公告)号：JPS5919025A
公开(公告)日：1984-01-31
申请号：JP12850382
申请日：1982-07-22
申请人： Sumikin Kiko Kk , Sumitomo Metal Ind Ltd
发明人： KOJIMA MASAYASU , NAKAO KIYOUJI
IPC分类号： B21D51/16 , B21C37/29 , F16L41/02
CPC分类号： B21C37/292
摘要： PURPOSE:To check irregularity of pipe ends of branch pipes and to manufacture efficiently and economically T-joints, by forming a bulged part in a blank pipe by a semispherical plug, piercing a through hole at the center of the tip of bulged part and performing burring in the surrounding place. CONSTITUTION:A blank pipe is passed through the beam part 16 of a plug pressing tool 20, and set in a die 8 so that a planned part for forming branch pipe is positioned above die branch pipe hole 9. A press ram 18 is lowered, and the planned part for forming branch pipe is bulged to the die branch pipe hole 9 to form a bulged part 24. The bulged semifinished product 26 is extracted from the beam part 16, and the center of the top of bulged part 24 is cut by turning a gas torch 29, for instance, on the same plane. Burring work is performed after piercing, and, if necessary, finished by machining.
摘要翻译：目的：为了检查支管管端的不规则性，并通过半球形塞在空管中形成凸出部分，高效经济地制造T型接头，在突出部分的中心处穿透通孔，执行在周围的地方打磨。构成：将空白管穿过插头按压工具20的梁部16，并设置在模具8中，使得用于形成分支管的规划部分位于模具分支管孔9的上方。压力冲头18降低，并且用于形成分支管的规划部分被凸出到模具分支管孔9以形成凸出部分24.凸出的半成品26从梁部16抽出，并且凸出部分24的顶部的中心被在同一平面上转动气体手电筒29。穿孔工作是在穿孔后进行的，如有必要，通过加工完成。

37. 发明专利

JPS58215231A Manufacture of saddle-shaped tube stand 失效
标题翻译：三角形管架的制造
公开(公告)号：JPS58215231A
公开(公告)日：1983-12-14
申请号：JP9817582
申请日：1982-06-07
申请人： Sumikin Kiko Kk , Sumitomo Metal Ind Ltd
发明人： KOJIMA MASAYASU , NAKAO KIYOUJI , YAMAZAKI MASATAKE
IPC分类号： B21D53/00 , B21C37/29 , F16L41/02
CPC分类号： B21C37/292
摘要： PURPOSE:To secure a sufficient branch tube material and the thickness of crotch part, by pressing a material having U-shaped sectional form from the upper end face of straight wall part to give compression deformation in the circumferential direction and bulging the high-temperature material of curved part into a die hole. CONSTITUTION:A blank material 16 having temperature difference is set on a die 10. When a punch 20 is lowered, it is bent while keeping the rounded shoulder part 22 of the groove 19 of the die 10 as a fulcrum, and pulled into the groove 19 to obtain a U-shaped semimanufactured product 16'. Then, a compression punch 21 is lowered, and the upper end face 23 of the U-shaped semimanufactured product 16' is pressed down by the lower face 21'. The material is made to flow into a die hole 11 to form a bulged part 25 at an expected part of a branch tube. Protrusions on both ends of the flange of the bulged semimanufactured product are cut off, and a lower hole 33 is pierced at the center of the bulged part 25. The pierced bulged part 25 of the pierced bulged semimanufactured product is formed to a branch tube, and a flange is formed.
摘要翻译：目的：为了确保足够的支管材料和裆部的厚度，通过从直壁部的上端面压制具有U形截面形状的材料，使其在圆周方向上产生压缩变形，并使高温材料膨胀的弯曲部分进入模孔。构成：将具有温差的坯料16设置在模具10上。当冲头20下降时，其弯曲，同时保持模具10的凹槽19的圆形肩部22作为支点，并且拉入凹槽以获得U型半制成品16'。然后，压缩冲头21下降，并且U形半制成品16'的上端面23被下表面21'压下。使材料流入模具孔11，以在分支管的预期部分形成凸出部分25。切断凸出的半制成品的凸缘的两端的突出部，在凸部25的中央刺入下孔33.穿孔的半制成品的穿孔部25形成为支管，并形成凸缘。

38. 发明专利

JPS5853330A MANUFACTURE OF T-PIPE JOINT MADE OF STEEL PLATE 失效
公开(公告)号：JPS5853330A
公开(公告)日：1983-03-29
申请号：JP15258581
申请日：1981-09-26
申请人： SUMITOMO METAL IND , SUMIKIN KIKO KK
发明人： KOJIMA MASAYASU , NAKAO KIYOUJI , BOUNOMOTO TAKATSUGU
IPC分类号： B21C37/29 , B21D19/08 , F16L41/02
摘要： PURPOSE:To exactly prevent the pipe end of a branch pipe part from becoming irregular, and also to save the number of times of burring, by formed a bulge part whose top is flat and trapezoidal, when forming a branch pipe of a T-pipe joint. CONSTITUTION:A blank steel plate 6 is placed on a die 7, and a U-bend punch 9 is dropped. As for the U-bend punch 9 to be used, a plug 9' is installed to a position opposed to a die branch pipe hole 12, of a semicylindrical bottom surface 8 having the same curvature as the inside surface of a base pipe part 1 of a branch pipe side piece. When the punch 9 drops, the blank steel plate 6 is curved, and a bulge part 18' whose top is flat is formed. A reduced portion by this bulge working concentrates in a bent deformation part which is in contact with a shoulder part 8'' of the plug 9', a reduced portion of a material contacting with a flat bottom surface 8' of the plug 9' is extremely small, and on the top of the bulge part 18', no biased portion is formed. Subsequently, by a conventional method, a lower hole 11 is opened in the center of the bulge part 18', and after that, a branch pipe part is formed by burring working.

39. 发明专利

JPS5849210A MANUFACTURE OF GALVANIZED METAL PIPE LINED WITH VINYL CHLORIDE RESIN 失效
公开(公告)号：JPS5849210A
公开(公告)日：1983-03-23
申请号：JP13325681
申请日：1981-08-27
申请人： SUMITOMO METAL IND , SUMIKIN KIKO KK
发明人： SHINTANI SUSUMU , HIRAOKA NOBUAKI , MATSUMOTO KIYOSHI
IPC分类号： B29C35/08 , B29C51/00 , B29C63/00 , B29C63/34
摘要： PURPOSE:To make the cold working possible so as to obtain the titled metal pipe in which the bond strength is enough, by drawing a zinc-plated metal pipe to reduce the diameter by a die with the inner surface of the zinc-plated metal pipe being at the softening temperature of a vinyl chloride resin or below. CONSTITUTION:First the zinc-plated metal pipe (herein after referred to as the zinc-plated pipe) is delivered into the production line, and an adhesive is applied on the outer surface of a vinyl chloride resin pipe or the inner surface of the zinc-plated pipe. Then the vinyl chloride resin pipe is inserted in the zinc-plated pipe 1, the inner surface of the zinc-plated pipe 1 is heated to a temperature of the softening temperature of the vinyl chloride resin or below, and the outer surface is concentrically heated by a high-frequency induction heating coil 4 to a temperature at which the alloy layer of the ground metal and the zinc exhibits enough ductility. With the zinc-plated pipe 1 in this state, it is drawn by the die 3 to reduce the diameter of the zinc-plated pipe 1 so that the zinc-plated pipe is pressed and bonded to the outer surface of the vinyl chloride resin pipe 2 to obtain the aimed metal pipe.

40. 发明专利

JPS57159217A MANUFACTURE OF T-SHAPED PIPE FITTING 失效
公开(公告)号：JPS57159217A
公开(公告)日：1982-10-01
申请号：JP4459681
申请日：1981-03-25
申请人： SUMITOMO METAL IND , SUMIKIN KIKO KK
发明人： KOJIMA MASAYASU , YAMAZAKI MASAFUMI
IPC分类号： B21C37/29
摘要： PURPOSE:To manufacture Tee fittings advantageous in strength, by performing an upsetting work of a flat blank pipe in its axial direction with a pair of eccentric dies to form both the end parts into circular ones while drawing them eccentrically to the central part of said pipe. CONSTITUTION:A flattening work of a circular blank pipe having the diameter larger than that of a product mother pipe is performed until the dia. of the blank pipe becomes equal to the diameter D0 of the product mother pipe. This flat blank pipe 7', of which both the end parts II' and II' are heated leaving the central partI' of the pipe 7' having the width approximately equal to the dia. d0 of a branch pipe as shown by the oblique lines without heated, is set to a pair of eccentric dies 20 and 20 after said heating. Next, the blank pipe 7' is upsetted into the dies 20 and 20 by approaching the dies 20 and 20 to each other. By this upsetting, the central partI' remains without causing a deformation, and only both the end parts II' and II' of high temperature are drawn into circular shapes while being drawn eccentrically to the side of major axis of the part 28 of the obtained eccentrically drawn pipe 24 by performing an usual diameter work, and a primary hole is drilled at the center of the expanded part to form a branch pipe by a conventional method. Thus the Tee fittings advantageous in strength are manufactured.

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