Patents Represented by Law Firm Orange Chari Pillay
  • Patent number: 6099772
    Abstract: This invention relates to a device to compact parts with an undercut out of powder material having an upper die moveable relative a lower die, at least one upper punch associated with the upper die for relative movement therebetween, at least two lower punches associated with said lower die for relative movement therebetween, the lower punches defining a lower cavity with the lower die for filling with the powder material when the dies are in an open position, the upper die contacting the lower die in a closed position for movement of one of the lower punches towards the upper die so as to transfer the powder material towards the upper die and then to compact the powder material between the upper and lower punches with said dies in the closed position so as to produce said part; said dies moveable to an eject position for ejection of the compacted part.
    Type: Grant
    Filed: April 18, 1997
    Date of Patent: August 8, 2000
    Assignee: Stackpole Limited
    Inventors: Gerd Hinzmann, Mark Haiko, Frank Ma, Allan Wilson, Keith Buckley-Golder, Robert Round
  • Patent number: 5951049
    Abstract: Attachment for an in-line skate of the kind having a plurality of linearly-aligned wheels comprising chocks which arrest rotational movement in adjacent wheels at the front of the skate and at the back of the skate. An elastomeric member biases the chocks in operative alignment and joins them so that they can be spaced from each other to receive a selected number of wheels in-between. The elastomeric member has first and second end loops which are fastened to respective ends of the associated skate.
    Type: Grant
    Filed: November 9, 1995
    Date of Patent: September 14, 1999
    Inventors: Susan Calverley, Charles Plant, Edmond Rampen