Patents Assigned to Winster Engineering Limited
  • Mining equipment
    Patent number: 4274765
    Abstract: In a system for the supply of fluid under pressure to machinery of an underground mine working, lengths of fixed conduit are secured to parts of the conveyor assembly, prior to the assembly of said parts at the underground mine working. When the conveyor assembly has been assembled, the length of fixed conduits are interconnected, either by straight lengths of flexible conduit, or by branched lengths of flexible conduit, where take off for fluid under pressure is required for the machinery, for example a roof support unit.
    Type: Grant
    Filed: November 17, 1978
    Date of Patent: June 23, 1981
    Assignee: Winster Engineering Limited
    Inventors: Adam M. Spence, James R. Goff