Patents Assigned to H.E.T. Limited
  • Heat exchange device and method of manufacture therefor
    Patent number: 5031694
    Abstract: A heat exchanger device is manufactured by providing a heat exchanger body (10) and a plurality of fins (28) formed from a metal strip (14) having a plurality of slots or slits (26) extending transversely of the strip (14) and defining the fins (28). The strip (14) has at least one continuous longitudinal strip portion (30), so that when the strip (14) is bent or folded appropriately the continuous portion or portions can be welded to the body (10).
    Type: Grant
    Filed: July 7, 1989
    Date of Patent: July 16, 1991
    Assignee: H.E.T. Limited
    Inventor: Jonathan D. H. Lloyd