KR890009559A - Adjustable Hole Machining Tool - Google Patents
Adjustable Hole Machining Tool Download PDFInfo
- Publication number
- KR890009559A KR890009559A KR870015734A KR870015734A KR890009559A KR 890009559 A KR890009559 A KR 890009559A KR 870015734 A KR870015734 A KR 870015734A KR 870015734 A KR870015734 A KR 870015734A KR 890009559 A KR890009559 A KR 890009559A
- Authority
- KR
- South Korea
- Prior art keywords
- machining tool
- hole machining
- adjustable hole
- adjustable
- long hole
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/16—Perforating by tool or tools of the drill type
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
- Drilling Tools (AREA)
Abstract
내용 없음No content
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.
제1a, b도는 본 발명의 사시도.1a, b is a perspective view of the present invention.
제2도는 본 발명의 작동상태 단면도.2 is a cross-sectional view of the operating state of the present invention.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019870015734A KR900000135B1 (en) | 1987-12-31 | 1987-12-31 | Controllable perforating device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019870015734A KR900000135B1 (en) | 1987-12-31 | 1987-12-31 | Controllable perforating device |
Publications (2)
Publication Number | Publication Date |
---|---|
KR890009559A true KR890009559A (en) | 1989-08-02 |
KR900000135B1 KR900000135B1 (en) | 1990-01-20 |
Family
ID=19267974
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019870015734A KR900000135B1 (en) | 1987-12-31 | 1987-12-31 | Controllable perforating device |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR900000135B1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111873057B (en) * | 2020-07-27 | 2021-09-07 | 洛阳师范学院 | Computer control mainboard drilling processing equipment |
-
1987
- 1987-12-31 KR KR1019870015734A patent/KR900000135B1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR900000135B1 (en) | 1990-01-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
G160 | Decision to publish patent application | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 19940202 Year of fee payment: 15 |
|
LAPS | Lapse due to unpaid annual fee |