Patents Assigned to CTA Technology (Proprietary) Limited
  • Manufacturing method for a multi-channel copper tube, and manufacturing apparatus for the tube
    Patent number: 8869874
    Abstract: This manufacturing apparatus for a multi-channel tube having a plurality of parallel channels includes: a crucible; and a die set for forming the multi-channel tube from molten copper supplied from the crucible, the die set including: a hollow portion having an inner surface shaped like the profile of the multi-channel tube; punches which are inserted into the hollow portion from an inlet end of the hollow portion to define a space between the inner surface of the hollow portion and each of the punches; and a feed passage which is disposed between the crucible and the space, and configured to feed the molten copper from the crucible to the space, the molten copper being supplied from the crucible to the space within the die set through the feed passage to solidify as it passes through the hollow portion.
    Type: Grant
    Filed: November 16, 2012
    Date of Patent: October 28, 2014
    Assignees: CTA Technology (Proprietary) Limited, Mitsubishi Materials Corporation
    Inventors: David Machet, Antonio Rodrigues Da Cruz, Vladimir Shoilovich Ziserman, Kenichi Takagi
  • MANUFACTURING METHOD FOR A MULTI-CHANNEL COPPER TUBE, AND MANUFACTURING APPARATUS FOR THE TUBE
    Publication number: 20130126119
    Abstract: This manufacturing apparatus for a multi-channel tube having a plurality of parallel channels includes: a crucible; and a die set for forming the multi-channel tube from molten copper supplied from the crucible, the die set including: a hollow portion having an inner surface shaped like the profile of the multi-channel tube; punches which are inserted into the hollow portion from an inlet end of the hollow portion to define a space between the inner surface of the hollow portion and each of the punches; and a feed passage which is disposed between the crucible and the space, and configured to feed the molten copper from the crucible to the space, the molten copper being supplied from the crucible to the space within the die set through the feed passage to solidify as it passes through the hollow portion.
    Type: Application
    Filed: November 16, 2012
    Publication date: May 23, 2013
    Applicants: MITSUBISHI MATERIALS CORPORATION, CTA TECHNOLOGY (PROPRIETARY) LIMITED
    Inventors: CTA TECHNOLOGY (PROPRIETARY) LIMITED, MITSUBISHI MATERIALS CORPORATION
  • Manufacturing method for a multi-channel copper tube, and manufacturing apparatus for the tube
    Patent number: 8336604
    Abstract: This manufacturing apparatus for a multi-channel tube having a plurality of parallel channels includes: a crucible; and a die set for forming the multi-channel tube from molten copper supplied from the crucible, the die set including: a hollow portion having an inner surface shaped like the profile of the multi-channel tube; punches which are inserted into the hollow portion from an inlet end of the hollow portion to define a space between the inner surface of the hollow portion and each of the punches; and a feed passage which is disposed between the crucible and the space, and configured to feed the molten copper from the crucible to the space, the molten copper being supplied from the crucible to the space within the die set through the feed passage to solidify as it passes through the hollow portion.
    Type: Grant
    Filed: December 14, 2007
    Date of Patent: December 25, 2012
    Assignees: CTA Technology (Proprietary) Limited, Mitsubishi Materials Corporation
    Inventors: David Machet, Antonio Rodrigues Da Cruz, Vladimir Shoilovich Ziserman, Kenichi Takagi