Patent · US Active

Flushing system for a filter and a print head

US12364999B2 · kind B2 · utility

0Cited by
0References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 26, 2023
Grant dateJul 22, 2025
Priority date—
Expiry dateDec 2, 2043

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB41J2/17596
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A printing system for applying a coating product, including a print head for applying the coating product flowing in the normal flow direction, a single filter positioned upstream of the print head, and a plurality of valves and conduits for conveying the coating product and at least one flush fluid. The plurality of valves and conduits being arranged so that the single filter may be flushed with the flush fluid only in the direction opposite to the normal flow direction, and so that the print head may be flushed with the flush fluid in the normal flow direction, the single filter and the print head being flushable independently of each other.

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