TREA

by making use of forge or pressure welding

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Industry

  • CPC
  • B21L3/04
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B21Mechanical metalworking B21LMAKING METAL CHAINS B21L3/00Making chains or chain links by bending the chain links or link parts and subsequently welding or soldering the abutting ends

Current Industry

B21L3/04by making use of forge or pressure welding
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Stud link chain
    • Patent number 5,469,697
    • Issue date Nov 28, 1995
    • Kuroki Chain Mfg., Co., Ltd.
    • Katsuhiko Kuroki
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents