Patent · US Expired

Ink container having blocking member and boundary layer

US6270206A · kind A · utility

23Cited by
0References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 29, 1998
Grant dateAug 7, 2001
Priority date
Expiry dateJul 29, 2018

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB41J2/17513
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

An ink container includes an ink absorbing material for retaining ink and producing a negative pressure; a casing, provided with an ink supplying portion and an air vent, for accommodating the ink absorbing material; wherein the ink absorbing material is of thermoplastic material and has a surface ink blocking layer provided by heating and melting a surface of the absorbing material; wherein the ink blocking layer blocks movement of the ink contained in the ink absorbing material to outside, and constitutes at least a part of the casing.

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