NON-WELDING TYPE CONCRETE-FILLED STEEL TUBE COLUMN HAVING SLOT AND METHOD FOR FABRICATING THE SAME

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United States of America Patent

APP PUB NO 20130133278A1
SERIAL NO

13615633

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A non-welding type concrete-filled steel tube column utilizing a slot, in which an external steel tube is bended and retracted to allow a jointing portion thereof to be formed as a T-shaped bending part is provided. A slot is inserted into the T-shaped bending part in a sliding manner to construct in a non-welding manner, and a multi-perforated penetrating part can be formed on the external steel tube to secure fire resistance capacity thereof. A method of fabricating the same is also provided.

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Patent Owner(s)

Patent OwnerAddress
KOREA INSTITUTE OF CONSTRUCTION TECHNOLOGYGOYANG-SI GYEONGGI-DO 411-712

International Classification(s)

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  • 2012 Application Filing Year
  • E04C Class
  • 413 Applications Filed
  • 294 Patents Issued To-Date
  • 71.19 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20122013201420152016201720182019202020210255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
AHN, CHAN-SOL Gyeonggi-do, KR 1 6
KIM, HEUNG-YOUL Seoul, KR 5 15
KIM, HYUNG-JUN Gyeonggi-do, KR 62 378
YEO, IN-HWAN Seoul, KR 3 9

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Patent Citation Ranking

  • 6 Citation Count
  • E04C Class
  • 3.96 % this patent is cited more than
  • 12 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges81324114411101 - 1011 - 2021 - 3031 - 4051 - 6061 - 7071 - 800102030405060708090100110120130140

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