KR810000214B1 - 콘크리이트 보강용 비원형강봉(補强用非圓形鋼棒) - Google Patents
콘크리이트 보강용 비원형강봉(補强用非圓形鋼棒) Download PDFInfo
- Publication number
- KR810000214B1 KR810000214B1 KR7601544A KR760001544A KR810000214B1 KR 810000214 B1 KR810000214 B1 KR 810000214B1 KR 7601544 A KR7601544 A KR 7601544A KR 760001544 A KR760001544 A KR 760001544A KR 810000214 B1 KR810000214 B1 KR 810000214B1
- Authority
- KR
- South Korea
- Prior art keywords
- steel
- steel rod
- steel bar
- transverse
- protrusion
- 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
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
- E04C5/02—Reinforcing elements of metal, e.g. with non-structural coatings of low bending resistance
- E04C5/03—Reinforcing elements of metal, e.g. with non-structural coatings of low bending resistance with indentations, projections, ribs, or the like, for augmenting the adherence to the concrete
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Reinforcement Elements For Buildings (AREA)
Abstract
Description
Claims (1)
- 강봉(鋼棒)의 길이 방향을 따하 미리 선택된 피치(pitch)마다 강봉 주체부(主體部)(11)로 부터 돌출되어 형성된 단면이 사다리형인 횡방향 돌기(12)가 복수개로 구성된 2줄의 돌기군(突起群)(12a, 12b)이 서로 대칭되어 강봉 주체부(11)의 최외각면(11a)상에 형성되어 있으며 이 2줄의 돌기군 중간지점에 강봉의 길이방향으로 뻗은 2줄의 직선상 종방향 돌기(13)가 강봉주체부(11)로부터 2줄이 서로 대칭이 되도록 형성되고, 강봉축심(軸心)(0)으로 부터 종방향 돌기(13) 최외각면(13a)까지의 거리(D2)는 강봉축심(0)으로 부터 강봉주체부(11)의 최외각면(11a) 까지의 거리(D2)와 동일하든가 또는 약간 작게하고, 강봉축심(0)으로 부터 횡방향 돌기(12) 중앙부 최외각면(12c)의 위치는 상기 두개의 거리(D2, D3) 보다 직경이 큰 가상원주(圓周)(15)상에 있도록 하고 또한 강봉축심(0)으로 부터 횡방향 돌기(12)의 양측면 부분(12d) 외표면 까지의 거리는 종방향 돌기(13)의 최외각면(13a)을 향해 접근하면서 점차 감소되도록 형성되어 있으며 횡방향 돌기군의 각 돌기(12) 상호간의 관계는 암나사와 나합 가능한 관계일 것을 특징으로 하는 콘크리이트 보강용 비원형(非圓形) 강봉.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR7601544A KR810000214B1 (ko) | 1976-06-23 | 1976-06-23 | 콘크리이트 보강용 비원형강봉(補强用非圓形鋼棒) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR7601544A KR810000214B1 (ko) | 1976-06-23 | 1976-06-23 | 콘크리이트 보강용 비원형강봉(補强用非圓形鋼棒) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR810000214B1 true KR810000214B1 (ko) | 1981-03-12 |
Family
ID=19202403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR7601544A Expired KR810000214B1 (ko) | 1976-06-23 | 1976-06-23 | 콘크리이트 보강용 비원형강봉(補强用非圓形鋼棒) |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR810000214B1 (ko) |
-
1976
- 1976-06-23 KR KR7601544A patent/KR810000214B1/ko not_active Expired
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19760623 |
|
| PG1605 | Publication of application before grant of patent |
Comment text: Decision on Publication of Application Patent event code: PG16051S01I |
|
| PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 19810520 |
|
| PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 19810616 Patent event code: PR07011E01D |
|
| PR1002 | Payment of registration fee |
Payment date: 19810616 End annual number: 3 Start annual number: 1 |
|
| PR1001 | Payment of annual fee |
Payment date: 19840229 Start annual number: 4 End annual number: 4 |
|
| PR1001 | Payment of annual fee |
Payment date: 19850219 Start annual number: 5 End annual number: 5 |
|
| PR1001 | Payment of annual fee |
Payment date: 19851230 Start annual number: 6 End annual number: 6 |
|
| PR1001 | Payment of annual fee |
Payment date: 19870220 Start annual number: 7 End annual number: 7 |
|
| PR1001 | Payment of annual fee |
Payment date: 19871223 Start annual number: 8 End annual number: 11 |
|
| PC1801 | Expiration of term |