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GB1521800A - Powder feeder pick-up tube - Google Patents

Powder feeder pick-up tube

Info

Publication number
GB1521800A
GB1521800A GB5381676A GB5381676A GB1521800A GB 1521800 A GB1521800 A GB 1521800A GB 5381676 A GB5381676 A GB 5381676A GB 5381676 A GB5381676 A GB 5381676A GB 1521800 A GB1521800 A GB 1521800A
Authority
GB
United Kingdom
Prior art keywords
tube
powder
gas
propellant
hopper
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
GB5381676A
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.)
Coors Container Co
Original Assignee
Coors Container Co
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 Coors Container Co filed Critical Coors Container Co
Priority to GB5381676A priority Critical patent/GB1521800A/en
Publication of GB1521800A publication Critical patent/GB1521800A/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
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/14—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas designed for spraying particulate materials
    • B05B7/1404—Arrangements for supplying particulate material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/14—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas designed for spraying particulate materials
    • B05B7/1404—Arrangements for supplying particulate material
    • B05B7/1472—Powder extracted from a powder container in a direction substantially opposite to gravity by a suction device dipped into the powder

Landscapes

  • Nozzles (AREA)

Abstract

1521800 Powder supply system COORS CONTAINER CO 23 Dec 1976 53816/76 Heading B2L A powder feeder pick-up tube, e.g. for feeding a spray gun, for use with a hopper of finely divided powder comprises (a) a powder delivery tube 11 carrying powder entrained in propellant gas from said hopper to a point of use and having an open (lower) end for. receiving the powder and propellant gas (b) a propellant delivery tube 12 concentric with tube 11 and forming therewith an annular space 17 having an orifice adjacent the opening of tube 11 for delivery of propellant gas (c) means 35 directing gas flow from the propellant delivery tube 12 through orifice 36 and into a converging conical jet of high velocity gas for deagglomerating powder from said hopper and entraining it in the gas and (d) means 15 supplying propellant gas to tube 12. The gas flow directing means 35 may be a curved lip as shown, producing a gas cone whose angle is between 30‹ below horizontal to 80‹ above it. The powder in the hopper may be fluidized by vibration and/or by air from the propellant supply; local fluidisation may be achieved by supplying air between the outside of tube 12 and a further tube concentric therewith, whose lower end may be cylindrical or belled outwards. The air supply may also create suction in tube 11 by being fed to an injector located at the spray gun.
GB5381676A 1976-12-23 1976-12-23 Powder feeder pick-up tube Expired GB1521800A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB5381676A GB1521800A (en) 1976-12-23 1976-12-23 Powder feeder pick-up tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5381676A GB1521800A (en) 1976-12-23 1976-12-23 Powder feeder pick-up tube

Publications (1)

Publication Number Publication Date
GB1521800A true GB1521800A (en) 1978-08-16

Family

ID=10469073

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5381676A Expired GB1521800A (en) 1976-12-23 1976-12-23 Powder feeder pick-up tube

Country Status (1)

Country Link
GB (1) GB1521800A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2127767A (en) * 1982-08-27 1984-04-18 Electro Plasma Inc Powder feed control system
EP0178120A1 (en) * 1984-10-12 1986-04-16 Nordson Corporation Venturi powder pump
EP0181135A2 (en) * 1984-11-05 1986-05-14 Nordson Corporation Improved powder pump having suction tube deflector
EP0185479A2 (en) * 1984-12-13 1986-06-25 Nordson Corporation Powder delivery system
US4824295A (en) * 1984-12-13 1989-04-25 Nordson Corporation Powder delivery system

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2127767A (en) * 1982-08-27 1984-04-18 Electro Plasma Inc Powder feed control system
EP0178120A1 (en) * 1984-10-12 1986-04-16 Nordson Corporation Venturi powder pump
AU575433B2 (en) * 1984-10-12 1988-07-28 Nordson Corporation Venturi powder spray pump
EP0181135A2 (en) * 1984-11-05 1986-05-14 Nordson Corporation Improved powder pump having suction tube deflector
EP0181135A3 (en) * 1984-11-05 1987-08-12 Nordson Corporation Improved powder pump having suction tube deflector
EP0185479A2 (en) * 1984-12-13 1986-06-25 Nordson Corporation Powder delivery system
EP0185479A3 (en) * 1984-12-13 1987-10-07 Nordson Corporation Powder delivery system
US4824295A (en) * 1984-12-13 1989-04-25 Nordson Corporation Powder delivery system

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Legal Events

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