GB1415556A - Unit for feeding difficult-to-feed materials and comminuting the same - Google Patents

Unit for feeding difficult-to-feed materials and comminuting the same

Info

Publication number
GB1415556A
GB1415556A GB4698673A GB4698673A GB1415556A GB 1415556 A GB1415556 A GB 1415556A GB 4698673 A GB4698673 A GB 4698673A GB 4698673 A GB4698673 A GB 4698673A GB 1415556 A GB1415556 A GB 1415556A
Authority
GB
United Kingdom
Prior art keywords
comminuting
pistons
oct
tube
unit
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
GB4698673A
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.)
Challenge Cook Bros Inc
Original Assignee
Challenge Cook Bros Inc
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 Challenge Cook Bros Inc filed Critical Challenge Cook Bros Inc
Publication of GB1415556A publication Critical patent/GB1415556A/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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Reciprocating Pumps (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
  • Nozzles (AREA)

Abstract

1415556 Comminuting apparatus CHALLENGE-COOK BROS INC 9 Oct 1973 [24 Oct 1972] 46986/73 Heading B2A Apparatus for rasping a compacted additive for concrete comprises a grinding chamber 18 with a grinding rotor 27 supplied with the compacted material 60 and fluid e.g. compressed air under pressure. The material is fed by pistons 32 along tubes 11, 12 Fig. 2. When one tube is empty the other comes into use while the first tube is recharged. The rate of advance of material 60 is controlled by a variable hydraulic system Fig. 5 (not shown). Air inlets 62 supply air to prevent accummulation of powdered additive behind the pistons 32. The chamber 18 has an inlet port and an outlet port 29 for the compressed air. The material in ground form is delivered suspended in a fluid medium via a conduit 3 Fig. 1 to a known concrete pump 2.
GB4698673A 1972-10-24 1973-10-09 Unit for feeding difficult-to-feed materials and comminuting the same Expired GB1415556A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00300180A US3840186A (en) 1972-10-24 1972-10-24 Unit for feeding difficult to feed materials

Publications (1)

Publication Number Publication Date
GB1415556A true GB1415556A (en) 1975-11-26

Family

ID=23158037

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4698673A Expired GB1415556A (en) 1972-10-24 1973-10-09 Unit for feeding difficult-to-feed materials and comminuting the same

Country Status (10)

Country Link
US (1) US3840186A (en)
JP (1) JPS5243314B2 (en)
AU (1) AU470688B2 (en)
CA (1) CA1003003A (en)
CH (1) CH576055A5 (en)
DE (1) DE2353509C2 (en)
FR (1) FR2213216B1 (en)
GB (1) GB1415556A (en)
IT (1) IT994793B (en)
SE (1) SE393557B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6039377Y2 (en) * 1977-12-07 1985-11-26 松下電工株式会社 wall panels
JPS593368B2 (en) * 1978-10-02 1984-01-24 極東開発工業株式会社 Constant weight and constant volume supply device for powder and granular materials
DE3720783A1 (en) * 1986-02-13 1989-01-05 Hochtief Ag Hoch Tiefbauten Process for applying a sprayed (gunned) concrete coat
DE3703762A1 (en) * 1986-02-13 1987-08-20 Hochtief Ag Hoch Tiefbauten Process and spray device for applying a sprayed (gunned) concrete coat
DE3703761A1 (en) * 1987-02-07 1988-08-25 Hochtief Ag Hoch Tiefbauten DEVICE FOR APPLYING A SPRAY CONCRETE LAYER
DE3714387A1 (en) * 1987-04-30 1988-11-10 Degussa METHOD AND DEVICE FOR CONTINUOUSLY DOSING POWDER-SHAPED SUBSTANCES BY MEANS OF COMPRESSED GAS
EP1201139A1 (en) * 2000-10-26 2002-05-02 SIG Simonazzi S.p.A. Pressurization Device
ITUA20164307A1 (en) * 2016-06-13 2017-12-13 Sacmi MACHINE AND METHOD FOR THE COMPACTION OF CERAMIC POWDER

Also Published As

Publication number Publication date
AU6157473A (en) 1975-04-24
FR2213216B1 (en) 1978-11-17
FR2213216A1 (en) 1974-08-02
AU470688B2 (en) 1976-03-25
DE2353509C2 (en) 1984-05-10
CA1003003A (en) 1977-01-04
SE393557B (en) 1977-05-16
DE2353509A1 (en) 1974-05-02
JPS4994080A (en) 1974-09-06
IT994793B (en) 1975-10-20
CH576055A5 (en) 1976-05-31
JPS5243314B2 (en) 1977-10-29
US3840186A (en) 1974-10-08

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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