Patent · US Active

Resin powder for solid freeform fabrication, device for fabricating solid freeform fabrication object, and resin powder

US11052649B2 · kind B2 · utility

1Cited by
1References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 13, 2018
Grant dateJul 6, 2021
Priority date
Expiry dateFeb 23, 2039

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L23/12
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A resin powder for solid freeform fabrication, having a melting point of 100 degrees C. or higher as measured according to ISO 3146 regulation and a ratio of melt mass-flow rate B to melt mass-flow rate A of greater than 0.80 to 1.20, wherein the melt mass-flow rate A and the melt mass-flow rate B are respectively measured at 15 degrees C. higher than the melting point under a load of 2.16 kg according to JIS K7210 format before and after the resin powder is maintained at a temperature 15 degrees C. lower than the melting point under a pressure of 0.1 kPa for four hours.

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