Patents Assigned to Straight Line Filters, Inc.
  • Patent number: 3939077
    Abstract: Horizontal vacuum belt filter machine comprises frame with spaced apart drums journaled to frame and endless belt structure mounted on drums. Endless belt structure has upper horizontal path of travel and comprises multiple longitudinally oriented endless belt segments arranged in side-by-side fashion with overlapping joint between adjacent edge portions of belt segments. Drums include first arrangement comprising multiple drums equal in number to multiple endless belt segments with each of multiple drums associated with separate one of belt segments. Drums further include second arrangement comprising single drum for multiple belt segments. Endless filter medium covers endless belt structure in area of upper horizontal path of belt travel, and suction device in area of upper horizontal path of belt travel cooperates with endless belt structure and filter medium for withdrawing liquid from slurry-like materials deposited upon filter medium.
    Type: Grant
    Filed: December 20, 1974
    Date of Patent: February 17, 1976
    Assignee: Straight Line Filters, Inc.
    Inventor: Kenneth T. Seibert
  • Patent number: 3939076
    Abstract: Horizontal vacuum belt filter machine comprises frame with spaced apart drums journaled to frame and endless belt structure mounted on drums. Endless belt structure has upper horizontal path of travel and comprises multiple longitudinally oriented endless belt segments arranged in side-by-side fashion with overlapping joint between adjacent edge portions of belt segments. Drums include first arrangement comprising multiple drums equal in number to multiple endless belt segments with each of multiple drums associated with separate one of belt segments. Drums further include second arrangement comprising single drum for multiple belt segments. Endless filter medium covers endless belt structure in area of upper horizontal path of belt travel, and suction device in area of upper horizontal path of belt travel cooperates with endless belt structure and filter medium for withdrawing liquid from slurry-like materials deposited upon filter medium.
    Type: Grant
    Filed: December 20, 1974
    Date of Patent: February 17, 1976
    Assignee: Straight Line Filters, Inc.
    Inventor: Kenneth T. Seibert