HK1041465A1 - Pipe extraction method for forming precast hollow concrete elements - Google Patents
Pipe extraction method for forming precast hollow concrete elementsInfo
- Publication number
- HK1041465A1 HK1041465A1 HK02103024A HK02103024A HK1041465A1 HK 1041465 A1 HK1041465 A1 HK 1041465A1 HK 02103024 A HK02103024 A HK 02103024A HK 02103024 A HK02103024 A HK 02103024A HK 1041465 A1 HK1041465 A1 HK 1041465A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- extraction method
- concrete elements
- hollow concrete
- precast hollow
- pipe extraction
- Prior art date
Links
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB011294450A CN1141206C (en) | 2001-06-20 | 2001-06-20 | Preparation method of hollow concrete plate material |
Publications (2)
Publication Number | Publication Date |
---|---|
HK1041465A1 true HK1041465A1 (en) | 2002-07-12 |
HK1041465B HK1041465B (en) | 2004-07-16 |
Family
ID=4669178
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK02103024.2A HK1041465B (en) | 2001-06-20 | 2002-04-23 | Pipe extraction method for forming precast hollow concrete elements |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN1141206C (en) |
HK (1) | HK1041465B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100543077C (en) * | 2006-09-15 | 2009-09-23 | 石磊 | The preparation method of modification mud elastic face material and skin material |
CN109483702B (en) * | 2018-10-26 | 2020-06-09 | 吉林建筑大学 | Preparation mold and method for rough surface of inner wall of hollow hole of precast concrete circular hole plate |
CN113858399B (en) * | 2021-10-08 | 2022-11-01 | 阜阳市晶宫工业科技有限公司 | Processing device constructed by PC |
-
2001
- 2001-06-20 CN CNB011294450A patent/CN1141206C/en not_active Expired - Fee Related
-
2002
- 2002-04-23 HK HK02103024.2A patent/HK1041465B/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CN1328906A (en) | 2002-01-02 |
HK1041465B (en) | 2004-07-16 |
CN1141206C (en) | 2004-03-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PF | Patent in force | ||
PC | Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee) |
Effective date: 20120620 |