Patents Assigned to Dolphin Machinery Limited
  • Patent number: 4700878
    Abstract: In a soldering apparatus a pump pumps molten solder up into a tube to form a head of molten solder. Solder is fed from the tube through a conduit to a nozzle for a soldering operation. The pump comprises a rotatable shaft extending within the tube and an air tight seal is formed between the shaft and tube, above the level of the solder, to reduce the formation of dust of oxidized solder at the region of shear between the shaft and the solder surface.
    Type: Grant
    Filed: August 7, 1986
    Date of Patent: October 20, 1987
    Assignee: Dolphin Machinery Limited
    Inventor: Alexander J. Ciniglio
  • Patent number: 4651916
    Abstract: A soldering apparatus comprises a solder bath, an applicator for applying solder to a joint or the like to be soldered and a pump for pumping solder substantially continuously through the applicator. The applicator is movable vertically relative to the solder bath to solder a joint positioned above the bath.
    Type: Grant
    Filed: December 21, 1984
    Date of Patent: March 24, 1987
    Assignee: Dolphin Machinery Limited
    Inventors: Alexander J. Ciniglio, Michael Tombs