JPH0480632U - - Google Patents
Info
- Publication number
- JPH0480632U JPH0480632U JP12056690U JP12056690U JPH0480632U JP H0480632 U JPH0480632 U JP H0480632U JP 12056690 U JP12056690 U JP 12056690U JP 12056690 U JP12056690 U JP 12056690U JP H0480632 U JPH0480632 U JP H0480632U
- Authority
- JP
- Japan
- Prior art keywords
- protrusion
- die
- rear end
- crushed
- screw
- 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
Landscapes
- Forging (AREA)
Description
第1図は本考案の一実施例のネジの正面図、第
2図は第1図のA−A線拡大断面図、第3図は本
考案の一実施例のダイスを示す平断面図、第4図
は同じくダイの正面図、第5図は従来のネジを示
す第2図相当図である。
ネジ山……2、潰れ部……3、ダイ……10a
、ピン部材……13、非加工面……14。
FIG. 1 is a front view of a screw according to an embodiment of the present invention, FIG. 2 is an enlarged sectional view taken along the line A-A in FIG. 1, and FIG. 3 is a plan sectional view showing a die according to an embodiment of the present invention. FIG. 4 is a front view of the die, and FIG. 5 is a view corresponding to FIG. 2 showing a conventional screw. Screw thread...2, Collapsed part...3, Die...10a
, pin member...13, unprocessed surface...14.
Claims (1)
ていることを特徴とするネジ。 2 内面後端部に突部13が形成されるとともに
、同突部13位置から後端にかけては、突部13
よりも低い非加工面14となつているダイ10a
を備えていることを特徴とするネジの製造用ダイ
ス。[Claims for Utility Model Registration] 1. A screw characterized in that a portion of the screw thread 2 is crushed to form a crushed portion 3. 2 A protrusion 13 is formed at the rear end of the inner surface, and from the position of the protrusion 13 to the rear end, the protrusion 13
The die 10a has an unprocessed surface 14 lower than
A die for manufacturing screws, characterized by comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12056690U JPH0480632U (en) | 1990-11-16 | 1990-11-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12056690U JPH0480632U (en) | 1990-11-16 | 1990-11-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0480632U true JPH0480632U (en) | 1992-07-14 |
Family
ID=31868465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12056690U Pending JPH0480632U (en) | 1990-11-16 | 1990-11-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0480632U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101384090B1 (en) * | 2011-05-31 | 2014-04-10 | 주식회사 서울금속 | Dies and method for forming screw and screw manufactured by the method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5416089U (en) * | 1977-06-30 | 1979-02-01 | ||
| JPS6040897U (en) * | 1983-08-30 | 1985-03-22 | 日野自動車株式会社 | Earthquake emergency stop device for bench-operated engines |
-
1990
- 1990-11-16 JP JP12056690U patent/JPH0480632U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5416089U (en) * | 1977-06-30 | 1979-02-01 | ||
| JPS6040897U (en) * | 1983-08-30 | 1985-03-22 | 日野自動車株式会社 | Earthquake emergency stop device for bench-operated engines |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101384090B1 (en) * | 2011-05-31 | 2014-04-10 | 주식회사 서울금속 | Dies and method for forming screw and screw manufactured by the method |