GB1379322A - Apparatus for distributing powdered materials - Google Patents

Apparatus for distributing powdered materials

Info

Publication number
GB1379322A
GB1379322A GB4076272A GB4076272A GB1379322A GB 1379322 A GB1379322 A GB 1379322A GB 4076272 A GB4076272 A GB 4076272A GB 4076272 A GB4076272 A GB 4076272A GB 1379322 A GB1379322 A GB 1379322A
Authority
GB
United Kingdom
Prior art keywords
suction inlet
screen
powder
screw conveyer
inlet
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
GB4076272A
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.)
British Cellophane Ltd
Original Assignee
British Cellophane 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 British Cellophane Ltd filed Critical British Cellophane Ltd
Priority to GB4076272A priority Critical patent/GB1379322A/en
Priority to CA179,602A priority patent/CA978348A/en
Publication of GB1379322A publication Critical patent/GB1379322A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
    • B65G69/14—Pulverising loaded or unloaded materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
    • B65G53/34—Details
    • B65G53/40—Feeding or discharging devices
    • B65G53/48—Screws or like rotary conveyors

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
  • Air Transport Of Granular Materials (AREA)

Abstract

1379322 Pneumatic conveyers BRITISH CELLOPHANE Ltd 24 Aug 1973 [1 Sept 1972] 40762/72 Heading B8A Apparatus for distributing powdered material at a uniform rate comprises a fluid ejector having a suction inlet, a screw conveyer to deliver powder to the suction inlet, a screen between the screw conveyer and the suction inlet, and at least one air inlet to introduce air into the suction inlet adjacent the screen. The screen has apertures of a size such that the powder may be extruded through the screen without blocking the screw conveyer, while preventing passage of clumps of powder. The figure shows a screw conveyer 1 conveying powder from hopper 4 to suction inlet 7. A screen 9 is fixed between the outlet 6 of the conveyer 1 and the inlet 7. Air inlets 10, 11 supply air to entrain the powder into fluid ejector 8. The longitudinal axis of the suction inlet is preferably offset from the longitudinal axis of the screw conveyer, as shown.
GB4076272A 1972-09-01 1972-09-01 Apparatus for distributing powdered materials Expired GB1379322A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB4076272A GB1379322A (en) 1972-09-01 1972-09-01 Apparatus for distributing powdered materials
CA179,602A CA978348A (en) 1972-09-01 1973-08-24 Apparatus for distributing powdered materials

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4076272A GB1379322A (en) 1972-09-01 1972-09-01 Apparatus for distributing powdered materials

Publications (1)

Publication Number Publication Date
GB1379322A true GB1379322A (en) 1975-01-02

Family

ID=10416494

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4076272A Expired GB1379322A (en) 1972-09-01 1972-09-01 Apparatus for distributing powdered materials

Country Status (2)

Country Link
CA (1) CA978348A (en)
GB (1) GB1379322A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0065024A1 (en) * 1981-05-18 1982-11-24 Libra, S.A. Screw device for introducing powdery products into launching pipes
US4770344A (en) * 1986-12-08 1988-09-13 Nordson Corporation Powder spraying system

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112645085A (en) * 2020-12-07 2021-04-13 江西德江隆科技有限公司 Stone powder adding equipment convenient for quantitative feeding

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0065024A1 (en) * 1981-05-18 1982-11-24 Libra, S.A. Screw device for introducing powdery products into launching pipes
US4770344A (en) * 1986-12-08 1988-09-13 Nordson Corporation Powder spraying system

Also Published As

Publication number Publication date
CA978348A (en) 1975-11-25

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Legal Events

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