JPS6172311U - - Google Patents
Info
- Publication number
- JPS6172311U JPS6172311U JP15731784U JP15731784U JPS6172311U JP S6172311 U JPS6172311 U JP S6172311U JP 15731784 U JP15731784 U JP 15731784U JP 15731784 U JP15731784 U JP 15731784U JP S6172311 U JPS6172311 U JP S6172311U
- Authority
- JP
- Japan
- Prior art keywords
- outer diameter
- tube
- spiral groove
- constricted portion
- tip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Metal Extraction Processes (AREA)
Description
第1図はこの考案の一実施例を示す概略的な正
面図、第2図は第1図の−線矢視断面図、第
3図は第1図の−線矢視断面図、第4図は使
用状態を示す略解図、第5図A,B,Cは原管の
内径の変化過程を示す端面図、第6図は従来の円
柱型プラグを示す概略的な正面図、第7図はその
使用状態を示す略解図、第8図は従来の円柱型プ
ラグを用いた場合の原管の内径の変化過程を示す
端面図である。
10…プラグ、11…超硬部、12…先端円柱
部、13…括れ部、14…螺旋溝、19…原管、
20…螺旋状リブ。
Fig. 1 is a schematic front view showing an embodiment of this invention, Fig. 2 is a sectional view taken along the - line in Fig. 1, Fig. 3 is a sectional view taken along the - line in Fig. 1, and Fig. 4 is a sectional view taken along the - line in Fig. 1. The figure is a schematic illustration showing the state of use, Figures 5A, B, and C are end views showing the process of changing the inner diameter of the original tube, Figure 6 is a schematic front view showing a conventional cylindrical plug, and Figure 7 8 is a schematic diagram showing the state of use thereof, and FIG. 8 is an end view showing the process of changing the inner diameter of the original tube when a conventional cylindrical plug is used. DESCRIPTION OF SYMBOLS 10... Plug, 11... Carbide part, 12... Tip cylindrical part, 13... Narrow part, 14... Spiral groove, 19... Original tube,
20...Spiral rib.
Claims (1)
の螺旋溝が形成されるとともに、前記チユーブに
付与すべき内径とほぼ同一外径の先端円柱部に隣
接して、外径が連続的に変化する括れ部が形成さ
れ、かつその括れ部の最小外径が前記先端円柱部
における螺旋溝の底部での外径以下に設定されて
いることを特徴とするライフルチユーブ引抜加工
用プラグ。 A spiral groove for forming a spiral rib is formed on the inner circumferential surface of the tube, and the outer diameter changes continuously adjacent to a cylindrical tip portion having an outer diameter that is approximately the same as the inner diameter to be provided to the tube. A plug for drawing a rifle tube, characterized in that a constricted portion is formed, and the minimum outer diameter of the constricted portion is set to be equal to or less than the outer diameter at the bottom of the spiral groove in the tip cylindrical portion.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15731784U JPS6172311U (en) | 1984-10-18 | 1984-10-18 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15731784U JPS6172311U (en) | 1984-10-18 | 1984-10-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6172311U true JPS6172311U (en) | 1986-05-16 |
Family
ID=30715312
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15731784U Pending JPS6172311U (en) | 1984-10-18 | 1984-10-18 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6172311U (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6415217A (en) * | 1987-06-19 | 1989-01-19 | Babcock & Wilcox Co | Cold drawing technique and device for forming inside grooved tube |
JPH09225522A (en) * | 1996-02-26 | 1997-09-02 | Miyazaki Seiko Kk | Plug for drawing of tube stock and drawing of tube stock using plug |
WO2009098808A1 (en) * | 2008-02-08 | 2009-08-13 | Sumitomo Metal Industries, Ltd. | Drawing plug of pipe material and drawing method employing the plug |
CN112547822A (en) * | 2020-12-23 | 2021-03-26 | 马鞍山市新马精密铝业股份有限公司 | Inner core formed by drawing aluminum alloy pipe |
-
1984
- 1984-10-18 JP JP15731784U patent/JPS6172311U/ja active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6415217A (en) * | 1987-06-19 | 1989-01-19 | Babcock & Wilcox Co | Cold drawing technique and device for forming inside grooved tube |
JPH09225522A (en) * | 1996-02-26 | 1997-09-02 | Miyazaki Seiko Kk | Plug for drawing of tube stock and drawing of tube stock using plug |
WO2009098808A1 (en) * | 2008-02-08 | 2009-08-13 | Sumitomo Metal Industries, Ltd. | Drawing plug of pipe material and drawing method employing the plug |
CN112547822A (en) * | 2020-12-23 | 2021-03-26 | 马鞍山市新马精密铝业股份有限公司 | Inner core formed by drawing aluminum alloy pipe |