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1. WO2020091782 - TONER LABYRINTH FILTER

Publication Number WO/2020/091782
Publication Date 07.05.2020
International Application No. PCT/US2018/058647
International Filing Date 01.11.2018
IPC
G03G 15/08 2006.01
GPHYSICS
03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
15Apparatus for electrographic processes using a charge pattern
06for developing
08using a solid developer, e.g. powder developer
G03G 21/20 2006.01
GPHYSICS
03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
21Arrangements not provided for by groups G03G13/-G03G19/92
20Humidity or temperature control
B41J 2/175 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
2Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
005characterised by bringing liquid or particles selectively into contact with a printing material
01Ink jet
17characterised by ink handling
175Ink supply systems
CPC
G03G 15/0822
GPHYSICS
03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
15Apparatus for electrographic processes using a charge pattern
06for developing
08using a solid developer, e.g. powder developer
0822Arrangements for preparing, mixing, supplying or dispensing developer
G03G 15/0894
GPHYSICS
03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
15Apparatus for electrographic processes using a charge pattern
06for developing
08using a solid developer, e.g. powder developer
0894Reconditioning of the developer unit, i.e. reusing or recycling parts of the unit, e.g. resealing of the unit before refilling with toner
G03G 21/206
GPHYSICS
03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
21Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
20Humidity or temperature control ; also ozone evacuation; Internal apparatus environment control
206Conducting air through the machine, e.g. for cooling, filtering, removing gases like ozone
G03G 2215/00987
GPHYSICS
03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
2215Apparatus for electrophotographic processes
00987Remanufacturing, i.e. reusing or recycling parts of the image forming apparatus
Applicants
  • HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. [US]/[US]
Inventors
  • FITZGERALD, Sean Daniel
  • LUKE, Jeffrey Harold
  • MCDANIEL, Gabriel Scott
Agents
  • PERRY, Garry
  • NICHOLS, Steven L.
Priority Data
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) TONER LABYRINTH FILTER
(FR) FILTRE À LABYRINTHE DE TONER
Abstract
(EN)
A toner labyrinth filter is described with a casing that has a first opening through which toner enters and a second opening through which toner exits. A plurality of baffles functionally attached to interior walls of the casing can be repositioned to control separation of toner from air while toner flows through the casing.
(FR)
La présente invention concerne un filtre à labyrinthe de toner doté d'un boîtier qui possède une première ouverture à travers laquelle le toner entre et une seconde ouverture à travers laquelle le toner sort. Une pluralité de déflecteurs fonctionnellement attachés aux parois intérieures du boîtier peuvent être repositionnés pour commander que le toner soit séparé de l'air pendant qu'il s'écoule à travers le boîtier.
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