Patents Assigned to Unit Wad Limited
  • Patent number: 4004522
    Abstract: A shot/shell wadding for a shotgun cartridge wherein a progressively collapsible connection is provided between a charge-containing cup and a shot-containing cup, the said connection including co-operable elements which move into frictional engagement on initial collapse of the connection and exert an increasing resistance to relative motion between the charge-containing and shot-containing cups on continued collapse of the connection.
    Type: Grant
    Filed: September 26, 1974
    Date of Patent: January 25, 1977
    Assignee: Unit Wad Limited
    Inventors: Harry Furniss, Jack Grindrod