Patent ID: 11911954
Assignee: SOLVAY SPECIALTY POLYMERS USA, LLC
Field: Chemical engineering (Chemistry)
Classification: CPC B  C  G  H  Y | IPC B  G

Claim 8:
9. The method of claim 8, wherein the method comprises printing layers of a sacrificial support structure from the provided support material, the method comprising:
feeding the support material to a discharge head member having a throughbore ending with a discharge tip, and a circumferential heater to melt the material in the throughbore; compressing the support material with a piston and/or the unmelted filament in said throughbore, while simultaneously melting the support material in the discharge head member, so as to extrude a ribbon of support material from the discharge tip;
ensuring relative movement in x and y directions of the discharge tip and of a receiving platform while discharging support material on said receiving platform to form the cross sectional shape of the sacrificial support structure; and
ensuring relative movement in the z direction of the discharge tip and the receiving platform while discharging support material on said receiving platform to form the sacrificial support structure in elevation.