JPS5770427A - Device for performing bending test on pressure welded reinforcing bar - Google Patents

Device for performing bending test on pressure welded reinforcing bar

Info

Publication number
JPS5770427A
JPS5770427A JP14794380A JP14794380A JPS5770427A JP S5770427 A JPS5770427 A JP S5770427A JP 14794380 A JP14794380 A JP 14794380A JP 14794380 A JP14794380 A JP 14794380A JP S5770427 A JPS5770427 A JP S5770427A
Authority
JP
Japan
Prior art keywords
pressure
supporting
cylinder
ram
testing
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.)
Pending
Application number
JP14794380A
Other languages
Japanese (ja)
Inventor
Chuichi Suyama
Saburo Ochiai
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.)
DIA KOGYO KK
SUYAMA KOGYOSHO KK
Daia Kogyo KK
Original Assignee
DIA KOGYO KK
SUYAMA KOGYOSHO KK
Daia Kogyo 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 DIA KOGYO KK, SUYAMA KOGYOSHO KK, Daia Kogyo KK filed Critical DIA KOGYO KK
Priority to JP14794380A priority Critical patent/JPS5770427A/en
Publication of JPS5770427A publication Critical patent/JPS5770427A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/20—Investigating strength properties of solid materials by application of mechanical stress by applying steady bending forces

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

PURPOSE:To manufature a simple and accurate device for binding test, by holding a testing substance (pressure welded reinforcing bar) between two pieces of supporting boards, each of which has a replaceable supporting pillow and is insatlled at the front end of the cylinder, and by cutting of the testing object by extruding a pressure ram from the cylinder. CONSTITUTION:A cylinder 1 has a pressure ram 4 which works by means of oil pressure or air pressure, and high pressure is applied to the ram 4 through a high pressure hose fitting port 2 installed at the opposite side of the cylinder 1. Then, two pieces of supporting boards 3a and 3b which hold the pressure ram 4 betwen them, are fitted to the cylinder 1. Inserting holes 6a and 6b for supporting pillows 5a and 5b are installed to the supporting board 3a so as to change their locations in accordance with the dimension of testing objects, and a window 7 which is used for watching the contacting condition between the pressure ram 4 and the testing object (pressure welded reinforcinb bars) is also installed to the supporting board 3a. The stesting object 9 is cut off by the pressure of the pressure ram 4 while the testing object 9 is maintained between the supporting pillows 5a and 5b, and the flat fractures are checked. In this way, it is checked easily with this device at field whether welding is feasibile or not for the reinforcing bar which is suitable for various applications. This device is also be used effectively for checking a welding technique and training.
JP14794380A 1980-10-22 1980-10-22 Device for performing bending test on pressure welded reinforcing bar Pending JPS5770427A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14794380A JPS5770427A (en) 1980-10-22 1980-10-22 Device for performing bending test on pressure welded reinforcing bar

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14794380A JPS5770427A (en) 1980-10-22 1980-10-22 Device for performing bending test on pressure welded reinforcing bar

Publications (1)

Publication Number Publication Date
JPS5770427A true JPS5770427A (en) 1982-04-30

Family

ID=15441565

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14794380A Pending JPS5770427A (en) 1980-10-22 1980-10-22 Device for performing bending test on pressure welded reinforcing bar

Country Status (1)

Country Link
JP (1) JPS5770427A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3318864A4 (en) * 2015-06-30 2018-07-04 Bridgestone Corporation Reaction force measurement device, deterioration diagnosis method, and deterioration diagnosis device
CN109100241A (en) * 2018-10-24 2018-12-28 田强 A kind of reinforcing bar in-situs tester of building engineering quality supervision
CN112986137A (en) * 2021-02-23 2021-06-18 江南造船(集团)有限责任公司 T-shaped welding part press-breaking device, press-breaking method and pipe flattening method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3318864A4 (en) * 2015-06-30 2018-07-04 Bridgestone Corporation Reaction force measurement device, deterioration diagnosis method, and deterioration diagnosis device
US10605693B2 (en) 2015-06-30 2020-03-31 Bridgestone Corporation Reaction force measuring device, degradation diagnosing method and degradation diagnosing device
CN109100241A (en) * 2018-10-24 2018-12-28 田强 A kind of reinforcing bar in-situs tester of building engineering quality supervision
CN112986137A (en) * 2021-02-23 2021-06-18 江南造船(集团)有限责任公司 T-shaped welding part press-breaking device, press-breaking method and pipe flattening method

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