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1. WO2020096610 - SEALS ON PRINT POWDERS RESERVOIRS

Publication Number WO/2020/096610
Publication Date 14.05.2020
International Application No. PCT/US2018/059949
International Filing Date 09.11.2018
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
B29C 64/259 2017.01
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
64Additive manufacturing, i.e. manufacturing of three-dimensional objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
20Apparatus for additive manufacturing; Details thereof or accessories therefor
255Enclosures for the building material, e.g. powder containers
259interchangeable
CPC
B29C 64/259
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
64Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
20Apparatus for additive manufacturing; Details thereof or accessories therefor
255Enclosures for the building material, e.g. powder containers
259Interchangeable
B33Y 40/00
BPERFORMING OPERATIONS; TRANSPORTING
33ADDITIVE MANUFACTURING TECHNOLOGY
YADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
40Auxiliary operations or equipment, e.g. for material handling
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 15/0882
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
0877Arrangements for metering and dispensing developer from a developer cartridge into the development unit
0881Sealing of developer cartridges
0882by a peelable sealing film
G03G 15/0884
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
0877Arrangements for metering and dispensing developer from a developer cartridge into the development unit
0881Sealing of developer cartridges
0884by a sealing film to be ruptured or cut
Applicants
  • HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. [US]/[US]
Inventors
  • 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) SEALS ON PRINT POWDERS RESERVOIRS
(FR) JOINTS D'ÉTANCHÉITÉ SUR DES RÉSERVOIRS DE POUDRES D'IMPRESSION
Abstract
(EN)
A print material cartridge may include a hopper to maintain an amount of print material therein; and an atmospheric pressure seal to seal the hopper from atmosphere; wherein a pressure within the hopper and sealed by the atmospheric pressure seal is lower than atmosphere.
(FR)
La présente invention concerne une cartouche de matériau d'impression qui peut comprendre une trémie servant à maintenir une quantité de matériau d'impression à l'intérieur de celle-ci ; et un joint d'étanchéité à pression atmosphérique servant à sceller la trémie de l'atmosphère, une pression à l'intérieur de la trémie lorsque scellée par le joint d'étanchéité à pression atmosphérique étant inférieure à celle de l'atmosphère.
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