Spiral Groove (e.g., Convolute Divider) Patents (Class 242/602.3)
  • Patent number: 8864060
    Abstract: A coil component includes an air-core winding wire portion wound by a wire with a plurality of wound layers by alignment winding, a spiral shaped wound portion in which the wire wound in a spiral shape from an inner edge of an end surface toward an outer edge thereof along the end surface while in contact with the end surface on one side in the axis direction of the winding wire portion, a first lead portion extended and extracted outward from a winding first end point of the spiral shaped wound portion, and a second lead portion extended and extracted outward from a winding second end point at the outer circumference of the winding wire portion.
    Type: Grant
    Filed: April 18, 2012
    Date of Patent: October 21, 2014
    Assignee: Sumida Corporation
    Inventors: Satoru Yamada, Yoshiyuki Hatayama
  • Patent number: 8534591
    Abstract: The present invention is an apparatus and method for loading a film cassette for gaseous vapor deposition. The invention comprises careful alignment of a film cassette and a supply roll such that film can be transferred from the supply roll to the cassette while minimizing touching, ceasing or cracking the film.
    Type: Grant
    Filed: August 31, 2009
    Date of Patent: September 17, 2013
    Assignee: E I du Pont de Nemours and Company
    Inventors: Richard Dale Kinard, Kirstin H. Shilkitus
  • Patent number: 6719236
    Abstract: A strip component (12) is carried by a liner (52) into a storage spool (24) having spiral grooved flanges (36, 38) for edges of the liner (52) which are guided into the grooves by guide rods (66, 74) which do not interfere with the transporting of the strip component (12) into and out of the spool (24).
    Type: Grant
    Filed: November 16, 2001
    Date of Patent: April 13, 2004
    Assignee: The Goodyear Tire and Rubber Company
    Inventors: Wayne Antoine Douglas, Donald Chester Kubinski, John Patrick Roman, Matthew Ray Cappelli