Printing apparatus and method

Details Printing apparatus and method Printing apparatus and method

2002-06-24

2008-12-23

Huffman, Julian D (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

Reexamination Certificate

active

07467847

ABSTRACT:
A printing apparatus is adapted for printing on a printing surface of a three-dimensional object12. The apparatus comprises an inkjet printhead14having a plurality of nozzles, and being operative to effect relative movement of the printhead and the object, during printing, with a rotational component about an axis of rotation and with a linear component, in which the linear component is at least partially in a direction substantially parallel with the axis of rotation and wherein the nozzle pitch of the printhead is greater than the grid pitch to be printed onto the printing surface in the nozzle row direction. In preferred examples, a substantially helical path is printed on the surface and improved ink jet printing of three dimensional objects can be achieved.

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