GB1351471A - Powder cloud xerographic develpment apparatus - Google Patents

Powder cloud xerographic develpment apparatus

Info

Publication number
GB1351471A
GB1351471A GB2373471*A GB2373471A GB1351471A GB 1351471 A GB1351471 A GB 1351471A GB 2373471 A GB2373471 A GB 2373471A GB 1351471 A GB1351471 A GB 1351471A
Authority
GB
United Kingdom
Prior art keywords
cloud
apertures
tube
powder
xerographic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB2373471*A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xerox Corp
Original Assignee
Xerox Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xerox Corp filed Critical Xerox Corp
Publication of GB1351471A publication Critical patent/GB1351471A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0803—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer in a powder cloud
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S222/00—Dispensing
    • Y10S222/01—Xerography

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Electrostatic Spraying Apparatus (AREA)
  • Dry Development In Electrophotography (AREA)

Abstract

1351471 Powder cloud generator XEROX CORP 19 April 1971 [16 March 1970] 23734/71 Heading G2H A powder cloud generator comprises a support 22 which rotates to present successive tonerfilled apertures 24 at the bottom of a tube 44, the powder being drawn through the tube 44 to form a cloud. As shown, pressurized gas is blown through a nozzle 59 adjacent the top of tube 44 to draw air through porous bases 26 of apertures 24. A blade 38 controls the filling of the apertures 24 as the support 22 rotates. The cloud is preferably received in a development chamber containing a grid electrode and held in pressure-tight contact with a xerographic plate by inflated elements.
GB2373471*A 1970-03-16 1971-04-19 Powder cloud xerographic develpment apparatus Expired GB1351471A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1989470A 1970-03-16 1970-03-16

Publications (1)

Publication Number Publication Date
GB1351471A true GB1351471A (en) 1974-05-01

Family

ID=21795608

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2373471*A Expired GB1351471A (en) 1970-03-16 1971-04-19 Powder cloud xerographic develpment apparatus

Country Status (3)

Country Link
US (1) US3648901A (en)
CA (1) CA939137A (en)
GB (1) GB1351471A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2575825B1 (en) * 1985-01-04 1987-04-17 Saint Gobain Vitrage METHOD AND DEVICE FOR DOSING POWDERY MATERIALS
EP0979682A1 (en) * 1998-08-13 2000-02-16 B a r m a g AG Powder dosing device with dosing disk
JP6481639B2 (en) * 2016-02-25 2019-03-13 株式会社デンソー Powder supply apparatus and powder supply method
US20230242354A1 (en) * 2022-02-01 2023-08-03 Mazdak International Inc. Hydrojet Launcher and Booster for Hydraulic Capsule Pipelines

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2812883A (en) * 1954-12-30 1957-11-12 Haloid Co Electrophotographic developing powder cloud generating process and apparatus
US2843295A (en) * 1955-02-18 1958-07-15 Haloid Xerox Inc Powder cloud generator
US3260408A (en) * 1964-04-08 1966-07-12 Bell & Howell Co Method and means of dispersing particulate material in a stream of carrier fluid

Also Published As

Publication number Publication date
CA939137A (en) 1974-01-01
US3648901A (en) 1972-03-14

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee