Patents Examined by David A. Buccl
  • Classifying device
    Patent number: 5938045
    Abstract: A classifying device including an upper, dispersing chamber for dispersing solid particles supplied thereto together with a carrier gas, and a lower, classifying chamber directly connected to a lower end of the dispersing chamber for centrifugally classifying the solid particles, supplied from the dispersing chamber to the classifying chamber, into relatively fine particles and relatively coarse particles. The dispersing chamber is provided with a rotor for swirling the solid particles in the dispersing chamber.
    Type: Grant
    Filed: January 13, 1997
    Date of Patent: August 17, 1999
    Assignee: Ricoh Company, Ltd.
    Inventors: Nobuyasu Makino, Kenichi Uehara, Keiko Watanabe, Satoshi Okano, Kazuyuki Matsui, Eisuke Sugisawa
  • Screen accessory for screen and screening process
    Patent number: 5915567
    Abstract: The sieve efficiency can be increased in an improved sieve apparatus in such a way tat the sieve apparatus is equipped with a compulsory mixing device (5). By means of this, during the sieve process, the sieve product, which is moving forward along the main flow direction (1) to a delivery end (11), is thoroughly mixed, which produces the desired increase in sieve efficiency.
    Type: Grant
    Filed: May 22, 1997
    Date of Patent: June 29, 1999
    Inventor: Wolfgang Zimmermann
  • Self-clearing transfer arms
    Patent number: 5902092
    Abstract: Self clearing transfer arms for pushing a container in an assembly process to a stage assembly wherein the pushing arms are retractable to a position out of obstruction relationship to the stage assembly. The pushing arms each have a transfer arm, a gate and a hinge. The hinge rotatably attaches the transfer arm to the gate in an orientation providing for rotation of the gate out of an obstruction relation to the stage assembly if unintended contact with the stage assembly or the container occurs.
    Type: Grant
    Filed: June 25, 1997
    Date of Patent: May 11, 1999
    Assignee: Neos, Inc.
    Inventors: Greg E. Erlandson, Jack T. Mowry