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Extrusion Nozzle Shut-0ff Disclosure Number: IPCOM000066465D
Original Publication Date: 1979-Mar-01
Included in the Prior Art Database: 2005-Feb-19

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Darves-Bornoz, Y Magee, RA [+details]


This article describes a nozzle shut-off device for the extrusion head assembly of the injection printing apparatus disclosed in U.S. Patent 3,384,931. Fig. 1 shows the nozzle shut-off 1, drive link 2 and shutter drive cylinder 3. The reservoir 4 and paste extrusion cylinder 5 are similar to those employed in the patent, and are shown to depict the relationship of the shut-off nozzle.