Invention Grant
US07565791B2 Wire rope for heavy duty hoisting and method for making same 失效
重载提升钢丝绳及其制造方法

  • Patent Title: Wire rope for heavy duty hoisting and method for making same
  • Patent Title (中): 重载提升钢丝绳及其制造方法
  • Application No.: US11820441
    Application Date: 2007-06-19
  • Publication No.: US07565791B2
    Publication Date: 2009-07-28
  • Inventor: Noboru Itaya
  • Applicant: Noboru Itaya
  • Applicant Address: US IL Northbrook
  • Assignee: Pioneer Cable Corporation
  • Current Assignee: Pioneer Cable Corporation
  • Current Assignee Address: US IL Northbrook
  • Agent William P. Oberhardt, LLC
  • Main IPC: D02G3/22
  • IPC: D02G3/22
Wire rope for heavy duty hoisting and method for making same
Abstract:
A wire rope has an independent wire rope core including lubricated individual core wires that are encapsulated in a tubular sheath of elastomeric or polymeric material surrounding the core wires and retaining the lubricant. A plurality of strands are located radially outwardly from and adjacent to the core. Each of the strands include strand wires that are lubricated. The strand wires are encapsulated in a tubular sheath of elastomeric or polymeric material that retain the lubrication for the strand wires. The core and strand encapsulating materials prevent direct metal-to-metal contact between core wires and strand wires, and between strand wires of adjacent strands. The core and strand encapsulating materials are applied in a manner so as to avoid loss of lubricant. Retaining lubrication and preventing direct metal-to-metal contact significantly improves the useful life of the wire rope.
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