Extrusion head for use in extrusion-based layered deposition...

Details Extrusion head for use in extrusion-based layered deposition... Extrusion head for use in extrusion-based layered deposition...

2007-07-31

2009-12-01

Ewald, Maria Veronica D (Department: 1791)

Plastic article or earthenware shaping or treating: apparatus

Pattern control of travel for a forming means

C425S182000, C425S19200R, C264S113000, C264S308000

Reexamination Certificate

active

07625200

ABSTRACT:
An extrusion head comprising at least one mounting structure, a first liquefier pump secured to the at least one mounting structure, a second liquefier pump disposed adjacent to the first liquefier pump, a toggle mechanism supported by the at least one mounting structure and configured to move the second liquefier pump relative to the first liquefier pump along a first axis, and a slot engagement assembly connected in part to the second liquefier pump for defining a range of motion for the second liquefier pump along the first axis.

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International Search Report and Written Opinion of Foreign Application No. PCT/US08/09180, dated Oct. 24, 2008.

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