TREA

Twisting already closed links

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Industry

  • CPC
  • B21L15/02
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B21Mechanical metalworking B21LMAKING METAL CHAINS B21L15/00Finishing or dressing chains or chain links

Current Industry

B21L15/02Twisting already closed links
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    2171995
    • Patent number 2,171,995
    • Issue date Sep 5, 1939
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...