Patents Assigned to Hadley Industries, PLC
  • Cold rolled post for security fence
    Patent number: 6874765
    Abstract: A post for a security fence and comprises a thin sheet of steel which has been cold-formed to be of generally I section and is then galvanised.
    Type: Grant
    Filed: April 1, 2003
    Date of Patent: April 5, 2005
    Assignee: Hadley Industries PLC
    Inventor: Geoffrey Thomas Deeley
  • Security fence with improved rail
    Patent number: 6672569
    Abstract: A security fence has a horizontal rail to which pales are connected and are spaced apart along the rail. The rail is shaped so that it cannot be used as a stepping surface for an intruder.
    Type: Grant
    Filed: April 4, 2003
    Date of Patent: January 6, 2004
    Assignee: Hadley Industries PLC
    Inventor: Geoffrey Thomas Deeley
  • Cold rolled post for security fence
    Publication number: 20030197163
    Abstract: A post for a security fence and comprises a thin sheet of steel which has been cold-formed to be of generally I section and is then galvanised.
    Type: Application
    Filed: April 1, 2003
    Publication date: October 23, 2003
    Applicant: Hadley Industries plc
    Inventor: Geoffrey Thomas Deeley
  • Security fence with improved rail
    Publication number: 20030164484
    Abstract: A security fence has a horizontal rail to which pales are connected and are spaced apart along the rail. The rail is shaped so that it cannot be used as a stepping surface for an intruder.
    Type: Application
    Filed: April 4, 2003
    Publication date: September 4, 2003
    Applicant: Hadley Industries plc
    Inventor: Geoffrey Thomas Deeley
  • Security fence with secured bolts
    Publication number: 20030164487
    Abstract: A fence pale P for a security fence comprises at least one hole 3 to receive a fastener 4 having a head 9 and a shank 8, with the shank 8 extending through the hole 3 and the underside of the head 9 being in contact with the surface 1 of the pale P, wherein integral shoulder means 20 are located adjacent the or each hole 3, said shoulder means 20 being shaped to deny access to the underside of the head 9 of a so-received fastener 4, whereby the fastener 4 cannot be prised away from the pale P.
    Type: Application
    Filed: April 4, 2003
    Publication date: September 4, 2003
    Applicant: Hadley Industries plc
    Inventor: Geoffrey Thomas Deeley
  • Rigid thin sheet material and method of making it
    Patent number: 6183879
    Abstract: Lightweight flexure-resistant thin metal sheet is produced by passing flexible thin metal sheet between rolls having defined teeth, the teeth having radiused corners so that rows of projections are formed on both faces of the sheet without damage to the surface material or the rolls.
    Type: Grant
    Filed: September 3, 1998
    Date of Patent: February 6, 2001
    Assignee: Hadley Industries, PLC
    Inventor: Geoffrey Thomas Deeley
  • Sheet material, method of producing same and rolls for use in the method
    Patent number: 5689990
    Abstract: A stud for use in partitioning is formed by passing plain sheet material between a pair of rolls (18, 19), each having projections, to form projections at both of the opposite surfaces of the material and then roll-forming the material to a channel, the positions of the projections and recesses at each surface of the material being such that lines drawn on a surface of the material between adjacent rows of projections and depressions are not rectilinear.
    Type: Grant
    Filed: May 15, 1995
    Date of Patent: November 25, 1997
    Assignee: Hadley Industries PLC
    Inventor: Geoffrey Thomas Deeley