GB825810A - Improved method and apparatus for controlling the flow of powdered, granulated and like discrete materials through a conduit - Google Patents

Improved method and apparatus for controlling the flow of powdered, granulated and like discrete materials through a conduit

Info

Publication number
GB825810A
GB825810A GB39871/57A GB3987157A GB825810A GB 825810 A GB825810 A GB 825810A GB 39871/57 A GB39871/57 A GB 39871/57A GB 3987157 A GB3987157 A GB 3987157A GB 825810 A GB825810 A GB 825810A
Authority
GB
United Kingdom
Prior art keywords
casing
ring
air
tube
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
GB39871/57A
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.)
African Explosives and Chemical Industries Ltd
Original Assignee
African Explosives and Chemical 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 African Explosives and Chemical Industries Ltd filed Critical African Explosives and Chemical Industries Ltd
Publication of GB825810A publication Critical patent/GB825810A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B1/30—Devices or methods for controlling or determining the quantity or quality or the material fed or filled
    • B65B1/32—Devices or methods for controlling or determining the quantity or quality or the material fed or filled by weighing

Landscapes

  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Mechanical Engineering (AREA)
  • Air Transport Of Granular Materials (AREA)
  • Weight Measurement For Supplying Or Discharging Of Specified Amounts Of Material (AREA)

Abstract

825,810. Pneumatic conveyers. AFRICAN EXPLOSIVES & CHEMICAL INDUSTRIES Ltd. Dec. 23, 1957 [Dec. 27, 1956], No. 39871/57. Class 78 (1). [Also in Group XVIII] The flow of fluidized material from a hopper 1 is controlled by varying the cross-section of a flexible tube 3 by admitting air under pressure to the space 7 between it and the surrounding casing 6. The upper end of the tube 3 is held between a ring 11 of porous material and the upper flange of the casing 6. The ring is gripped between flanges of the hopper and casing which are bolted together. The lower end of the tube is held between a flange on the casing and the outlet ring 4. The casing has a pressure air inlet 8, a pressure air outlet 9 and a relief air outlet 10. Air for fluidization is supplied to the ring 11 through an inlet 12 and an annular recess 13. The tube 3 may be made of natural rubber, synthetic rubber such as neoprene, or any suitable elastic thermoplastic material either reinforced or not with textile material. Alternatively textile material impregnated with any of the substances above mentioned may be used. When used in connection with a weighing machine, the valves 8, 9 are controlled by an electropneumatic system comprising a source of compressed air, a series of solenoid-operated air valves, a photo-electric cell and a light source.
GB39871/57A 1956-12-27 1957-12-23 Improved method and apparatus for controlling the flow of powdered, granulated and like discrete materials through a conduit Expired GB825810A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA825810X 1956-12-27

Publications (1)

Publication Number Publication Date
GB825810A true GB825810A (en) 1959-12-23

Family

ID=25576466

Family Applications (1)

Application Number Title Priority Date Filing Date
GB39871/57A Expired GB825810A (en) 1956-12-27 1957-12-23 Improved method and apparatus for controlling the flow of powdered, granulated and like discrete materials through a conduit

Country Status (1)

Country Link
GB (1) GB825810A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2134220A (en) * 1983-01-11 1984-08-08 Colin Badham Improvements relating to valves for fluid materials
EP2520495A1 (en) * 2011-04-15 2012-11-07 Ucon AG Containersysteme Kg Metering piece and metering method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2134220A (en) * 1983-01-11 1984-08-08 Colin Badham Improvements relating to valves for fluid materials
EP2520495A1 (en) * 2011-04-15 2012-11-07 Ucon AG Containersysteme Kg Metering piece and metering method

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