Patent · US Active

Composite continuous filament for additive manufacturing

US11192297B2 · kind B2 · utility

1Cited by
8References
25Claims
0Family size

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Key dates

Filing dateMay 23, 2017
Grant dateDec 7, 2021
Priority date
Expiry dateApr 7, 2038

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB29K2307/04
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A composite filament for use in additive manufacturing such as fused filament fabrication is described along with methods of its construction and use. The composite filament includes a single continuous filament (e.g., a continuous carbon roving) and a polymer (e.g., a high glass transition polymer) in intimate contact. The composite filament is formed through immersion of the continuous filament in a solution of the polymer. The composite filament can be combined with an additional formation material in an additive manufacturing process.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.