Patents Assigned to Berec Group Limited
  • Method of manufacturing an electric battery
    Patent number: 4253232
    Abstract: In an electric battery comprising a plurality of interconnected cells within an insulating casing, internal connections between the cells and to external terminals are provided by a member which is preformed as a single unitary conducting member, secured in the casing while still in unitary form and subsequently severed in situ in the casing to form a plurality of separate connections.
    Type: Grant
    Filed: February 26, 1979
    Date of Patent: March 3, 1981
    Assignee: Berec Group Limited
    Inventors: Brian S. Bennett, Bruce A. A. Gray, Michael A. Todd
  • Dry electric cells
    Patent number: 4221853
    Abstract: A dry electric cell of the Leclanche type having a cathode mix which includes (i) MnO.sub.2 having a .beta.-crystal structure, and (ii) either hetaerolite (ZnO.Mn.sub.2 O.sub.3) or materials which enable hetaerolite to be generated in situ at a sufficiently rapid rate so that it constitutes the major discharge product even at moderate to high rates of discharge.
    Type: Grant
    Filed: February 26, 1979
    Date of Patent: September 9, 1980
    Assignee: Berec Group Limited
    Inventors: Frank L. Tye, John E. A. Shaw, Andrzej K. Agopsowicz