公开(公告)号：WO2023084494A1

公开(公告)日：2023-05-19

申请号：PCT/IB2022/060964

申请日：2022-11-15

Applicant: 9T LABS AG

Inventor： SEGESSEMANN, Lucien ,  FASCHINGER, Tristan ,  NETTER, Thomas

IPC: B29C64/118 ,  B29C64/241 ,  B29C64/227 ,  B29C64/295 ,  B29C64/209 ,  B33Y10/00 ,  B33Y30/00 ,  B22F10/18

Abstract: Filament feeding devices (3001) and method (5000), for guiding a filament (100) into an additive manufacturing apparatus (2000), the filament feeding devices comprising: a filament travel path (100TP); a filament buffer (3600) comprising a telescopic tubular assembly (3600A) comprising a filament entrance at a first end (3600A1) of the tubular assembly and a filament exit at a second end (3600A2) of the tubular assembly, the tubular assembly comprising: a first tube (3610) having a first tube longitudinal centerline (3610L); and a second tube (3620) comprising a portion (3620P) into which a portion (3610P) of the first tube (3610) is telescopically inserted; and a position sensor (3650); a controller (4110) connected to the position sensor (3650); and a computer-readable non-volatile storage device (4120), wherein the position sensor (3650) is configured for measuring a position (3650P) of the first tube (3610) with respect to a reference point.

公开(公告)号：WO2021176395A1

公开(公告)日：2021-09-10

申请号：PCT/IB2021/051825

申请日：2021-03-04

Applicant: 9T LABS AG

Inventor： BAUMANN, Leo ,  SEGESSEMANN, Lucien ,  HOUWINK, Chester ,  EICHENHOFER, Martin ,  CAVOLINA, Giovanni

IPC: B29C64/236 ,  B29C64/118 ,  B29C64/209 ,  B29C64/386

Abstract: A pressure foot device and system comprising a pressure foot device for guiding, forming and applying an elongate fiber tow, wherein the pressure foot device comprises a foot surface comprising a straight foot segment, a groove comprising a flared end and defining a groove midplane, and a foot shaft housing characterized by a foot shaft's axis of rotation that is orthogonal to the straight foot segment and comprised in the groove midplane.