US PATENT SUBCLASS 399 / 320
.~ Fixing (e.g., fusing)

Current as of: June, 1999
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399 /   HD   ELECTROPHOTOGRAPHY

130  DF  IMAGE FORMATION {30}
320.~ Fixing (e.g., fusing) {9}
321  DF  .~.~> Color
322  DF  .~.~> Having copy-handling during fixing {1}
324  DF  .~.~> Offset prevention {1}
327  DF  .~.~> Cleaning of fixing member
328  DF  .~.~> By heat and pressure {2}
335  DF  .~.~> By heat {2}
339  DF  .~.~> By pressure (without heat)
340  DF  .~.~> By solvent
341  DF  .~.~> Having treatment of image {1}

DEFINITION

Classification: 399/320

Fixing (e.g., fusing):

(under subclass 130) Subject matter wherein an apparatus is provided that causes a toner image to be permanently attached to a copy medium or substrate.

SEE OR SEARCH THIS CLASS, SUBCLASS:

33, for over-temperature protection during fixing.

67+, for condition-responsive control of fusing.

91, for a fire extinguisher internal to the machine.

122, for a fixing unit with particular modular or displaceable structure.

SEE OR SEARCH CLASS

34, Drying and Gas or Vapor Contact With Solids, for devices for treating a coating, including fusing or coalescing a particulate coating by solvent vapor treatment, per se. 118, Coating Apparatus, for related apparatus used to fix electrophotos:graphic coatings.

374, Thermal Measuring and Testing,

1+, for calibration systems which may be used to test or calibrate the heat-fixing apparatus of electrophotos:graphic devices.

430, Radiation Imagery Chemistry: Process, Composition, or Product Thereof, appropriate subclasses for radiation imagery chemistry, process, composition, or product.

OTHER CLASSIFICATION SYSTEMS:

ipc{2}G03G15/20, for fixing (e.g., by using heat).

jpofiG03G15/20, for fixing (e.g., by using heat).

epcG03G15/20, for fixing.