MANDREL OF COIL BOX

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United States of America Patent

APP PUB NO 20150298190A1
SERIAL NO

14650037

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A mandrel of a coil box comprises: a cylindrical mandrel body having a center shaft disposed therein and a slot into which a front end portion of a hot bar is inserted; and a guide part which is arranged towards the inside of the mandrel body from a peripheral wall of one side of the slot so as to prevent the cooling and plastic deformation of the front end portion of the bar inserted through the slot.

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Patent Owner(s)

Patent OwnerAddress
POSCOGYEONGSANGBUK-DO 37859

International Classification(s)

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  • 2013 Application Filing Year
  • B21C Class
  • 152 Applications Filed
  • 135 Patents Issued To-Date
  • 88.82 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20132014201520162017201820192020202120220255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
LEE, Choong-Yun Gwangyang-si, KR 3 1
LEE, Sang-Hyeon Gwangyang-si, KR 23 125
LEE, Sung-Lim Gwangyang-si, KR 4 8

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Patent Citation Ranking

  • 0 Citation Count
  • B21C Class
  • 0 % this patent is cited more than
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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges21563101 - 1011 - 20100 +02.557.51012.51517.52022.52527.53032.53537.54042.54547.55052.55557.560

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