KR890003398B1 - 링본체의 압연장치 - Google Patents
링본체의 압연장치 Download PDFInfo
- Publication number
- KR890003398B1 KR890003398B1 KR1019840004147A KR840004147A KR890003398B1 KR 890003398 B1 KR890003398 B1 KR 890003398B1 KR 1019840004147 A KR1019840004147 A KR 1019840004147A KR 840004147 A KR840004147 A KR 840004147A KR 890003398 B1 KR890003398 B1 KR 890003398B1
- Authority
- KR
- South Korea
- Prior art keywords
- base material
- mandrel
- ring body
- forming
- roller
- 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.)
- Expired
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
- B21H1/00—Making articles shaped as bodies of revolution
- B21H1/06—Making articles shaped as bodies of revolution rings of restricted axial length
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Forging (AREA)
Abstract
Description
Claims (1)
- 성형할 링본체의 안쪽형상을 외주면에 형성한 맨드릴(2)(2a)과 성형할 링본체의 바깥쪽 형상을 외주면에 형성한 성형로울러(1)(1a)와의 사이에 원통상 모재(32)(32a)를 삽입시켜 상대적으로 압압함과 동시에 맨드릴(2)(2a) 및 성형로울러(1)(1a)의 상호간을 회동시켜서 원통상 모재(32)(32a)를 압연하여 링본체를 마무리 가공되지 않는 상태로 형성한후 전기 원통상 모재(32)(32a)의 안쪽에는 안쪽 마무리 가공부(41) 및 바깥쪽에는 바깥쪽 마무리 가공부(44)를 압입하는 것으로서 규정형상으로 마무리 가공되게 함을 특징으로 하는 링본체의 압연 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019840004147A KR890003398B1 (ko) | 1984-07-14 | 1984-07-14 | 링본체의 압연장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019840004147A KR890003398B1 (ko) | 1984-07-14 | 1984-07-14 | 링본체의 압연장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR860000900A KR860000900A (ko) | 1986-02-02 |
KR890003398B1 true KR890003398B1 (ko) | 1989-09-20 |
Family
ID=19234598
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019840004147A Expired KR890003398B1 (ko) | 1984-07-14 | 1984-07-14 | 링본체의 압연장치 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR890003398B1 (ko) |
-
1984
- 1984-07-14 KR KR1019840004147A patent/KR890003398B1/ko not_active Expired
Also Published As
Publication number | Publication date |
---|---|
KR860000900A (ko) | 1986-02-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19840714 |
|
PA0201 | Request for examination | ||
PG1501 | Laying open of application | ||
E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 19881229 Patent event code: PE09021S01D |
|
E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 19890508 Patent event code: PE09021S01D |
|
G160 | Decision to publish patent application | ||
PG1605 | Publication of application before grant of patent |
Comment text: Decision on Publication of Application Patent event code: PG16051S01I Patent event date: 19890816 |
|
E701 | Decision to grant or registration of patent right | ||
PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 19891130 |
|
GRNT | Written decision to grant | ||
PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 19891226 Patent event code: PR07011E01D |
|
PR1002 | Payment of registration fee |
Payment date: 19891226 End annual number: 3 Start annual number: 1 |
|
J206 | Request for trial to confirm the scope of a patent right | ||
PJ0206 | Trial to confirm the scope of a patent |
Patent event code: PJ02062R01D Patent event date: 19911207 Comment text: Request for Trial Patent event code: PJ02061E01I Patent event date: 19891226 Comment text: Registration of Establishment Decision date: 19920609 Request date: 19911207 Appeal identifier: 1991100001125 Appeal kind category: Confirmation of the scope of right_defensive |
|
J121 | Written withdrawal of request for trial | ||
PJ1201 | Withdrawal of trial |
Patent event code: PJ12011R01D Patent event date: 19920609 Comment text: Written Withdrawal of Request for Trial Appeal identifier: 1991100001125 Request date: 19911207 Appeal kind category: Confirmation of the scope of right_defensive Decision date: 19920609 |
|
FPAY | Annual fee payment |
Payment date: 19920806 Year of fee payment: 8 |
|
PR1001 | Payment of annual fee |
Payment date: 19920806 Start annual number: 4 End annual number: 8 |
|
LAPS | Lapse due to unpaid annual fee | ||
PC1903 | Unpaid annual fee |