GB1273844A - Abrasive blasting system - Google Patents

Abrasive blasting system

Info

Publication number
GB1273844A
GB1273844A GB0660/70A GB166070A GB1273844A GB 1273844 A GB1273844 A GB 1273844A GB 0660/70 A GB0660/70 A GB 0660/70A GB 166070 A GB166070 A GB 166070A GB 1273844 A GB1273844 A GB 1273844A
Authority
GB
United Kingdom
Prior art keywords
nozzle
abrasive
inlet
conduit
conduits
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
GB0660/70A
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.)
Vacu Blast Corp
Original Assignee
Vacu Blast Corp
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 Vacu Blast Corp filed Critical Vacu Blast Corp
Publication of GB1273844A publication Critical patent/GB1273844A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C3/00—Abrasive blasting machines or devices; Plants
    • B24C3/08—Abrasive blasting machines or devices; Plants essentially adapted for abrasive blasting of travelling stock or travelling workpieces
    • B24C3/10—Abrasive blasting machines or devices; Plants essentially adapted for abrasive blasting of travelling stock or travelling workpieces for treating external surfaces
    • B24C3/12—Apparatus using nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C5/00—Devices or accessories for generating abrasive blasts
    • B24C5/02—Blast guns, e.g. for generating high velocity abrasive fluid jets for cutting materials

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cyclones (AREA)
  • Nozzles (AREA)

Abstract

1,273,844. Blasting. VACU-BLAST CORP. 13 Jan., 1970 [31 Jan., 1969], No. 1660/70. Heading B3D. An abrasive blasting system comprises means 40 for providing a constant flow of air at uniform pressure, a conduit 42 connected to the means 40, an intermediate conduit 66 connected to the conduit and having a substantially rectangular cross-section an elongated nozzle 22 having an inlet end fixed to the intermediate conduit section, the nozzle having a constant width and a rectangular cross-section throughout its length the thickness of the nozzle being small in comparison to its width and decreasing from a maximum dimension at its inlet to a minimum dimension at its outlet, and feed means 52 for dispensing abrasive material into the intermediate conduit at a substantially uniform rate along a line extending transversely across the full width of the nozzle near its inlet. The system may be used for treating a moving strip and have upper and lower nozzles 22,24, connected to the intermediate conduits 66, 66a. The latter are connected by sections 64 to adaptors 62 fixed to pipes 52, 54 leading from a feeder pot 50, pressure pot 48 and hopper 36 supplied with abrasive, such as glass beads or steel shot from 10 to 1000 microns in size, delivered from a cyclone separator 34 connected to a ducted floor 32. The intermediate conduits 66, 66a are also connected by adaptors 90 and sections 92 to conduits 42 leading from a low pressure blower 40. The intermediate conduits include valves 68 which are adjustable to control the flow of abrasive to the nozzles, each valve consisting of a pair of flexible members which can be moved towards or away from one another by a piston- and-cylinder device. The nozzles may have an abrupt or gradual taper from their maximum thickness at their inlet ends to their minimum thickness between the inlet and outlet ends, Figs. 2a and 2b. In other embodiments having a single nozzle, the nozzle may be horizontal and oscillatable about an axis transverse to the nozzle by an hydraulic actuator, or the nozzle may be vertical and oscillated about a longitudinal axis by an actuator. The abrasive may be fed to the nozzle by air pressure or gravity.
GB0660/70A 1969-01-31 1970-01-13 Abrasive blasting system Expired GB1273844A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US79554469A 1969-01-31 1969-01-31

Publications (1)

Publication Number Publication Date
GB1273844A true GB1273844A (en) 1972-05-10

Family

ID=25165790

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0660/70A Expired GB1273844A (en) 1969-01-31 1970-01-13 Abrasive blasting system

Country Status (3)

Country Link
US (1) US3561163A (en)
AU (1) AU1070270A (en)
GB (1) GB1273844A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2191127A (en) * 1986-06-02 1987-12-09 Laing & Sons Ltd James Grit-blasting nozzle

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3851421A (en) * 1969-12-15 1974-12-03 Hoechst Ag Apparatus for graining surfaces of planographic printing plates
US4270317A (en) * 1978-10-10 1981-06-02 Midland-Ross Corporation Apparatus used in the treatment of a continuous strip of metal and method of use thereof
US4237209A (en) * 1979-05-09 1980-12-02 The United States Of America As Represented By The Secretary Of The Army Erosion lithography with high-aspect nozzle
US4272612A (en) * 1979-05-09 1981-06-09 The United States Of America As Represented By The Secretary Of The Army Erosion lithography to abrade a pattern onto a substrate
US4566230A (en) * 1982-03-08 1986-01-28 Kennecott Corporation Impact blasting system for etching metal surfaces
USH1379H (en) * 1991-06-25 1994-12-06 The United States Of America As Represented By The Secretary Of The Air Force Supersonic fan nozzle for abrasive blasting media
FR2685027B1 (en) * 1991-12-11 1994-04-01 Christian Diat MECHANICAL PROCESS FOR CLEANING POLLUTION OF FACADE STONES.
DK0616564T3 (en) * 1991-12-11 1997-03-17 Christian Diat

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2191127A (en) * 1986-06-02 1987-12-09 Laing & Sons Ltd James Grit-blasting nozzle

Also Published As

Publication number Publication date
US3561163A (en) 1971-02-09
AU1070270A (en) 1971-07-29

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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