High-speed phase change ink image producing machine having a phase change ink delivery system including particulate solid ink pastilles
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United States of America Patent
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Oct 20, 2009
Grant Date -
Oct 12, 2006
app pub date -
Mar 31, 2005
filing date -
Mar 31, 2005
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Abstract
A high-speed phase change ink image producing machine having a phase change ink delivery system including particulate pastille solid phase change ink for enabling the high-speed phase change ink image producing machine to produce images at a rate exceeding 50 prints per minute, the particulate pastille solid phase change ink consisting essentially of (i) sub-granular size particulate pastilles for heating and melting into liquid phase change ink, (ii) each sub-granular size particulate pastille is waxy and melts at less than about 120.degree. C., and (iii) each sub-granular size particulate pastille has a size of one of very fine sand, fine sand, medium sand and coarse sand having a diameter of less than 1 mm on the Wentworth-Udden particle-sizing scale
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