KR810000212B1 - 토사·연암반(土砂·軟岩盤)용 굴삭기(掘削機) - Google Patents
토사·연암반(土砂·軟岩盤)용 굴삭기(掘削機) Download PDFInfo
- Publication number
- KR810000212B1 KR810000212B1 KR760002371A KR760002371A KR810000212B1 KR 810000212 B1 KR810000212 B1 KR 810000212B1 KR 760002371 A KR760002371 A KR 760002371A KR 760002371 A KR760002371 A KR 760002371A KR 810000212 B1 KR810000212 B1 KR 810000212B1
- Authority
- KR
- South Korea
- Prior art keywords
- cart
- cutter
- pilot
- cutting
- cutting edge
- 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
- 239000011435 rock Substances 0.000 title claims description 8
- 239000004576 sand Substances 0.000 title description 3
- 238000009412 basement excavation Methods 0.000 description 12
- 239000002689 soil Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Landscapes
- Earth Drilling (AREA)
Abstract
Description
Claims (1)
- 주카터(主 cutter)와-안내카터와로 이루어지는 카터헤드(cutter head)를 가지며, 상기 주카터는 상방부 착부가 광폭(廣幅)으로, 하방절삭부가 세폭(細幅)으로 형성된 복수의 절삭날을 회전중심까지의 거리가 서로 적당한 간격으로 순차배설되고 동시에, 최외측의 절삭날을 하방외향으로 경사지게 부착하여 이루어지고, 상기 안내카터는 파일럿카터(pilot cutter)선단의 파일럿비트(pilot bit)가 설치된 방향과, 이 파일럿카터의 상부에 경사하방으로 넓어져서 양쪽에 설치된 확대카터(擴大 cutter)의 설치된 방향과가 직교하여 설치되어 이루어진 토사·연암반(土砂·軟岩盤) 오오거드릴(auger drill).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR760002371A KR810000212B1 (ko) | 1976-09-23 | 1976-09-23 | 토사·연암반(土砂·軟岩盤)용 굴삭기(掘削機) |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR760002371A KR810000212B1 (ko) | 1976-09-23 | 1976-09-23 | 토사·연암반(土砂·軟岩盤)용 굴삭기(掘削機) |
Publications (1)
Publication Number | Publication Date |
---|---|
KR810000212B1 true KR810000212B1 (ko) | 1981-03-12 |
Family
ID=19202732
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR760002371A Expired KR810000212B1 (ko) | 1976-09-23 | 1976-09-23 | 토사·연암반(土砂·軟岩盤)용 굴삭기(掘削機) |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR810000212B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100908851B1 (ko) * | 2009-01-09 | 2009-07-21 | 동국정밀주식회사 | 농업용 굴착 스크류 |
-
1976
- 1976-09-23 KR KR760002371A patent/KR810000212B1/ko not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100908851B1 (ko) * | 2009-01-09 | 2009-07-21 | 동국정밀주식회사 | 농업용 굴착 스크류 |
WO2010079988A3 (ko) * | 2009-01-09 | 2010-10-14 | 동국정밀주식회사 | 농업용 굴착 스크류 |
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Legal Events
Date | Code | Title | Description |
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PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19760923 |
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PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 19800611 Patent event code: PE09021S01D |
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PG1605 | Publication of application before grant of patent |
Comment text: Decision on Publication of Application Patent event code: PG16051S01I Patent event date: 19810210 |
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PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 19810520 |
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PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 19810620 Patent event code: PR07011E01D |
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PR1002 | Payment of registration fee |
Payment date: 19810620 End annual number: 3 Start annual number: 1 |
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Payment date: 19840229 Start annual number: 4 End annual number: 4 |
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Payment date: 19851230 Start annual number: 6 End annual number: 6 |
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Payment date: 19880212 Start annual number: 8 End annual number: 8 |
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PR1001 | Payment of annual fee |
Payment date: 19890220 Start annual number: 9 End annual number: 9 |
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PR1001 | Payment of annual fee |
Payment date: 19900221 Start annual number: 10 End annual number: 10 |
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PR1001 | Payment of annual fee |
Payment date: 19910302 Start annual number: 11 End annual number: 11 |
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PC1801 | Expiration of term |