Patent ID: 11964427
Assignee: BOND HIGH PERFORMANCE 3D TECHNOLOGY B.V.
Field: Other special machines (Mechanical engineering)
Classification: CPC B  C | IPC B  C

Claim 0:
1. A liquefier tube for an additive manufacturing (AM) system, comprising:
a body provided with a feed channel;
said feed channel having:
a feeding portion having a first diameter;
an outlet portion having a second diameter, wherein the first diameter is larger than the second diameter;
a transitional portion interconnecting the feeding portion and the outlet portion;

wherein said transitional portion has a decreasing third diameter from said first diameter to said second diameter;
wherein an inner surface of said transitional portion is provided with a plurality of ribs; and
wherein the ribs of said plurality of ribs are arranged at least partially longitudinally in a first section of said transitional portion.