Patents Assigned to Joseph Lucas (Batteries) Limited
  • Method of securing a battery terminal to an external wall
    Patent number: 4120087
    Abstract: An electric storage battery has a terminal bush located at one end within an aperture in an external wall of the battery. There is a clearance defined between a portion of the external wall around the aperture and the end of the bush extending into the aperture, and the clearance is occupied by a moulded filler material. Normally the external wall in which the bush is located is a lid closing an open end of the battery casing.
    Type: Grant
    Filed: September 17, 1976
    Date of Patent: October 17, 1978
    Assignee: Joseph Lucas (Batteries) Limited
    Inventor: Keith John Bruce McEwan
  • Method of making battery plate grids for lead-acid batteries and alloys therefor
    Patent number: 3939009
    Abstract: Battery plate grids for lead-acid batteries are manufactured from an alloy having the following composition in atomic percentages:-Calcium + Lithium 0.22 - 1.04 Aluminium 0.035 - 0.25 Lead remainder,Wherein the atomic percentage of lithium in the alloy is not less than 0.15 and does not exceeds 0.90 and the atomic percentage of calcium in the alloy is not less than 0.07 and does not exceed 0.49.
    Type: Grant
    Filed: March 22, 1974
    Date of Patent: February 17, 1976
    Assignee: Joseph Lucas (Batteries) Limited
    Inventors: Stanley Charles Barnes, Robert James Lawrie