GB1395437A - Electrostatically depositing powder - Google Patents

Electrostatically depositing powder

Info

Publication number
GB1395437A
GB1395437A GB2884573A GB2884573A GB1395437A GB 1395437 A GB1395437 A GB 1395437A GB 2884573 A GB2884573 A GB 2884573A GB 2884573 A GB2884573 A GB 2884573A GB 1395437 A GB1395437 A GB 1395437A
Authority
GB
United Kingdom
Prior art keywords
powder
injector
envelope
duct
heaters
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
GB2884573A
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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries Ltd
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 Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1395437A publication Critical patent/GB1395437A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/16—Arrangements for supplying liquids or other fluent material
    • B05B5/1683—Arrangements for supplying liquids or other fluent material specially adapted for particulate materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/08—Plant for applying liquids or other fluent materials to objects
    • B05B5/12—Plant for applying liquids or other fluent materials to objects specially adapted for coating the interior of hollow bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
    • B05D1/04—Processes for applying liquids or other fluent materials performed by spraying involving the use of an electrostatic field
    • B05D1/045—Processes for applying liquids or other fluent materials performed by spraying involving the use of an electrostatic field on non-conductive substrates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/22—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to internal surfaces, e.g. of tubes
    • B05D7/227—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to internal surfaces, e.g. of tubes of containers, cans or the like
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/20—Manufacture of screens on or from which an image or pattern is formed, picked up, converted or stored; Applying coatings to the vessel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2203/00—Other substrates
    • B05D2203/30—Other inorganic substrates, e.g. ceramics, silicon
    • B05D2203/35—Glass

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Electrostatic Spraying Apparatus (AREA)
  • Nozzles (AREA)

Abstract

1395437 Coating apparatus PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES LTD 18 June 1973 [21 June 1972] 28845/73 Heading B2L Powder is deposited on the inside of a lamp envelope 1 by the steps of transporting it through a duct 2 to a nozzle by means of a gas stream and electrostatically accelerating it into the envelope, then interrupting the flow of powder whilst maintaining the gas flow to clean out the duct after each envelope is coated. Heaters 3 are provided to pre-heat the envelope which is rotated during coating and a potential difference is applied between the duct 2 and heaters 3. An injector 8 draws powder from a container 7 and the powder supply can be cut off by moving the injector. The injector 8 (Fig 2) has an entry 12 for powder in container 7 arid by moving the injector downwardly the entry 12 can be closed. Other forms of injector arrangements are described.
GB2884573A 1972-06-21 1973-06-18 Electrostatically depositing powder Expired GB1395437A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7208454A NL7208454A (en) 1972-06-21 1972-06-21

Publications (1)

Publication Number Publication Date
GB1395437A true GB1395437A (en) 1975-05-29

Family

ID=19816320

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2884573A Expired GB1395437A (en) 1972-06-21 1973-06-18 Electrostatically depositing powder

Country Status (8)

Country Link
JP (1) JPS5523106B2 (en)
BE (1) BE801145A (en)
CA (1) CA995526A (en)
DE (1) DE2328309C3 (en)
FR (1) FR2189334B1 (en)
GB (1) GB1395437A (en)
IT (1) IT990759B (en)
NL (1) NL7208454A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9114142U1 (en) * 1991-11-13 1993-03-11 PCT Powder Coating Technologies GmbH, 7482 Krauchenwies Device for feeding colour powder during powder coating

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4081709A (en) * 1975-11-20 1978-03-28 General Electric Company Electrostatic coating of silica powders on incandescent bulbs
NL8102839A (en) * 1981-06-12 1983-01-03 Philips Nv PLASMA SYRINGES OF CONVERSION SCREENS.
HU184030B (en) * 1982-09-22 1984-06-28 Egyesuelt Izzolampa Apparatus for electrostatic coating bulb of light sources
CN113198630B (en) * 2021-04-27 2022-08-05 宁波立成涂装技术有限公司 Powder pipe and powder electrostatic spray gun in spray gun

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2988458A (en) * 1956-01-20 1961-06-13 Meister George Process for electrostatic coating of incandescent lamp envelopes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9114142U1 (en) * 1991-11-13 1993-03-11 PCT Powder Coating Technologies GmbH, 7482 Krauchenwies Device for feeding colour powder during powder coating

Also Published As

Publication number Publication date
DE2328309C3 (en) 1981-02-26
BE801145A (en) 1973-12-19
CA995526A (en) 1976-08-24
NL7208454A (en) 1973-12-27
JPS4958124A (en) 1974-06-05
FR2189334A1 (en) 1974-01-25
DE2328309A1 (en) 1974-01-10
DE2328309B2 (en) 1980-05-29
FR2189334B1 (en) 1977-09-09
JPS5523106B2 (en) 1980-06-20
IT990759B (en) 1975-07-10

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee