JPS646466A - Method and device for forming piercing hole to concrete structure - Google Patents

Method and device for forming piercing hole to concrete structure

Info

Publication number
JPS646466A
JPS646466A JP15780687A JP15780687A JPS646466A JP S646466 A JPS646466 A JP S646466A JP 15780687 A JP15780687 A JP 15780687A JP 15780687 A JP15780687 A JP 15780687A JP S646466 A JPS646466 A JP S646466A
Authority
JP
Japan
Prior art keywords
supporting rod
hole
concrete structure
formwork
concrete
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.)
Granted
Application number
JP15780687A
Other languages
Japanese (ja)
Other versions
JPH0572504B2 (en
Inventor
Shigeru Furusawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KONETSUKUSU KK
Original Assignee
KONETSUKUSU KK
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 KONETSUKUSU KK filed Critical KONETSUKUSU KK
Priority to JP15780687A priority Critical patent/JPS646466A/en
Publication of JPS646466A publication Critical patent/JPS646466A/en
Publication of JPH0572504B2 publication Critical patent/JPH0572504B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Reinforcement Elements For Buildings (AREA)

Abstract

PURPOSE: To carry out the work easily by placing concrete after attaching a plurality of core bodies to a supporting rod fixed to a through-hole forming position by thrusting sharp portions made at both ends into the formwork member. CONSTITUTION: A supporting rod 2 is crossed to a through-hole forming place inside a formwork 18 where steel bars 14 are assembled to a predetermined shape in response to a predetermined shape of a concrete structure. Then, expanding portions 4, 7 provided at the end portions of the supporting rod 2 are extended, sharp portions 8, 10 provided at both the ends are thrusted to the form work member 17 and the supporting rod 2 is fixed. Next, a plurality of core body 3 is installed to the supporting rod 2 at the position of installing hole 12 by pushing and widening an installing cleft 13. In this way, the supporting rod 2 is firmly fixed to the formwork member 17, and a through-hole can be formed by avoiding the filling of concrete by means of core body 3.
JP15780687A 1987-06-26 1987-06-26 Method and device for forming piercing hole to concrete structure Granted JPS646466A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15780687A JPS646466A (en) 1987-06-26 1987-06-26 Method and device for forming piercing hole to concrete structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15780687A JPS646466A (en) 1987-06-26 1987-06-26 Method and device for forming piercing hole to concrete structure

Publications (2)

Publication Number Publication Date
JPS646466A true JPS646466A (en) 1989-01-11
JPH0572504B2 JPH0572504B2 (en) 1993-10-12

Family

ID=15657695

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15780687A Granted JPS646466A (en) 1987-06-26 1987-06-26 Method and device for forming piercing hole to concrete structure

Country Status (1)

Country Link
JP (1) JPS646466A (en)

Also Published As

Publication number Publication date
JPH0572504B2 (en) 1993-10-12

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