HK1041465A1 - Pipe extraction method for forming precast hollow concrete elements - Google Patents

Pipe extraction method for forming precast hollow concrete elements

Info

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
Application number
HK02103024A
Other versions
HK1041465B (en
Inventor
Tze Wing Lau
Original Assignee
Hong Kong Jianhua Construction
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hong Kong Jianhua Construction filed Critical Hong Kong Jianhua Construction
Publication of HK1041465A1 publication Critical patent/HK1041465A1/en
Publication of HK1041465B publication Critical patent/HK1041465B/en

Links

HK02103024.2A 2001-06-20 2002-04-23 Pipe extraction method for forming precast hollow concrete elements HK1041465B (en)

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)

* Cited by examiner, † Cited by third party
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

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