US794122A - Sand-blast device. - Google Patents

Sand-blast device. Download PDF

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Publication number
US794122A
US794122A US23481004A US1904234810A US794122A US 794122 A US794122 A US 794122A US 23481004 A US23481004 A US 23481004A US 1904234810 A US1904234810 A US 1904234810A US 794122 A US794122 A US 794122A
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Prior art keywords
pipe
sand
reservoir
blast device
screen
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Expired - Lifetime
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US23481004A
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Leo Rosengarten
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Individual
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C7/00—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts
    • B24C7/0046—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts the abrasive material being fed in a gaseous carrier

Definitions

  • the object of my present invention is to provide an improved device which will be free from clogging, in which the feed of sand or paint to the point of application will be even and satisfactory, and a device which may be easily cleaned thoroughly without difficulty, as well as a device which is simple and inexpensive in construction.
  • a device which is clearly described in the following specification and is shown in the accompanying drawings, in which like refererence-numerals represent like parts.
  • Figure 1 is a transverse section showing piping in elevation through my improved device; and Fig. 2 is a similar view of the upper portion of the device, illustrating slight modifications in the piping.
  • 1 represents a reservoir of any suitable shape, but without asquare corner where sand may lodge or accumulate that is, my reservoir 1 is provided with a curvilinear interior.
  • Reservoir 1 has extending longitudinally therein to a point near one end thereof an outlet-pipe 2, at one end of which is a screen 3 with perforations therein of suitable size to prevent conglomerated particles of sand from passing into said pipe 2.
  • a suitable opening 4 In line with screen 3 in the end of the reservoir 1 adjacent said screen is a suitable opening 4, closed by a plug5, which opening is provided for purpose of cleaning or removing the screen 3 or for other purposes.
  • Pipe 5 is a compressed-air or other fluid-supply pipe tapped into the reservoir 1 in the end thereof opposite screen 3.
  • Pipe 5 is controlled by a plug-valve or other valve 6.
  • Outletpipe 2 is controlled by a suitable valve 7
  • Pipes 2 and 5 are both tapped in by means of unions to a compressed-air or other suitable pressure pipe 8, connecting at one end (not shown) with a suitable source of compressedair or other pressure supply and at its opposite end with the flexible tubing 9, carrying the nozzle. (Not shown.)
  • Pipe 8 is controlled by a suitablevalve 10.
  • Fig. 2 l have shown a slight modified structure in the connection between the pressurepipe 8 and the outlet-pipe 2, wherein I tap the pipe 2 into the pipe 8 at the smallest possible angle by the use of the union 11.
  • the reservoir may be mounted on suitable supports which may rest horizontally or vertically.
  • the use of the device is as follows:
  • the reservoir 1 having been supplied with sand and the pipe 8 being supplied with a suitable fluidsuch, for instance, as compressed air the valves 6, 7, and 10 are opened.
  • a suitable fluid such as compressed air
  • the fluid. under pressure escaping past the pipe 2 through the pipe 8 creates a suction which will draw sand past the screen 3 through pipe 2 and forces the same out through the flexible tubing 9 to the nozzle.
  • the application of pressure to the end of the reservoir 1 opposite screen 3 materially assists in lifting the sand through the pipe 2.
  • a sand-blast device the combination with a reservoir, of an outlet-pipe extending from a point above said reservoir centrally to and having its mouth at a point within and adjacent the bottom of said reservoir, a pressure-pipe extending past and connected to the upper end of said outlet-pipe and a connecting-pipe between said pressure-pipe and the top of said reservoir.
  • a sand-blast device With a reservoir, of an outlet-pipe extending from a point above said reservoir centrally to and having its mouth ata point Within and adja- 5 cent the bottom of said reservoir, a pressurepipe extending past and connected to the upper end of said outlet-pipe, a connecting-pipe between said pressure-pipe and the top of

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Air Transport Of Granular Materials (AREA)
  • Jet Pumps And Other Pumps (AREA)

Description

No. 794.122. I V PATENTED JULY 4, 1905. L. ROSENGARTEN.
SAND BLAST DEVICE.
APPLICATION FILED NOV. 29, 1904.
Wibweoow mventoz NITED STATES Patented July 4, 1905.
LEO ROSENGARTEN, OF NEW YORK, N. Y.
SAN D-BLAST DEVICE.
SPECIFICATION forming part of Letters Patent No. 794,122, dated July 4, 1905.
Application filed November 29, 1904. Serial No. 234,810.
- vide an improved pneumatic blast device for use in renovating stone of all descriptions or for painting, but which may be used for other purposes.
More specifically, the object of my present invention is to provide an improved device which will be free from clogging, in which the feed of sand or paint to the point of application will be even and satisfactory, and a device which may be easily cleaned thoroughly without difficulty, as well as a device which is simple and inexpensive in construction. Such a device is clearly described in the following specification and is shown in the accompanying drawings, in which like refererence-numerals represent like parts.
In the drawings, Figure 1 is a transverse section showing piping in elevation through my improved device; and Fig. 2 is a similar view of the upper portion of the device, illustrating slight modifications in the piping.
Referring now in detail to the drawings, 1 represents a reservoir of any suitable shape, but without asquare corner where sand may lodge or accumulate that is, my reservoir 1 is provided with a curvilinear interior. Reservoir 1 has extending longitudinally therein to a point near one end thereof an outlet-pipe 2, at one end of which is a screen 3 with perforations therein of suitable size to prevent conglomerated particles of sand from passing into said pipe 2. In line with screen 3 in the end of the reservoir 1 adjacent said screen is a suitable opening 4, closed by a plug5, which opening is provided for purpose of cleaning or removing the screen 3 or for other purposes.
5 is a compressed-air or other fluid-supply pipe tapped into the reservoir 1 in the end thereof opposite screen 3. Pipe 5 is controlled by a plug-valve or other valve 6. Outletpipe 2 is controlled by a suitable valve 7 Pipes 2 and 5 are both tapped in by means of unions to a compressed-air or other suitable pressure pipe 8, connecting at one end (not shown) with a suitable source of compressedair or other pressure supply and at its opposite end with the flexible tubing 9, carrying the nozzle. (Not shown.) Pipe 8 is controlled by a suitablevalve 10.
In Fig. 2 l have shown a slight modified structure in the connection between the pressurepipe 8 and the outlet-pipe 2, wherein I tap the pipe 2 into the pipe 8 at the smallest possible angle by the use of the union 11. The reservoir may be mounted on suitable supports which may rest horizontally or vertically.
The use of the device is as follows: The reservoir 1 having been supplied with sand and the pipe 8 being supplied with a suitable fluidsuch, for instance, as compressed air the valves 6, 7, and 10 are opened. The fluid. under pressure escaping past the pipe 2 through the pipe 8 creates a suction which will draw sand past the screen 3 through pipe 2 and forces the same out through the flexible tubing 9 to the nozzle. The application of pressure to the end of the reservoir 1 opposite screen 3 materially assists in lifting the sand through the pipe 2. The screen 3, as-
has been stated, prevents lumps of sand from passing into the pipe 2.
With the form of structure shown in Fig. 2 the sand entering pipe 8 in substantially the same direction as the travel of the fluid-pressure, the suction is materially increased, adding to the effectiveness of the device. I do not wish to be limited to the exact details of the structure herein shown and described.
Having thus described my invention, the following is what I claim as new and desire to secure by Letters Patent:
1. In a sand-blast device the combination with a reservoir, of an outlet-pipe extending from a point above said reservoir centrally to and having its mouth at a point within and adjacent the bottom of said reservoir, a pressure-pipe extending past and connected to the upper end of said outlet-pipe and a connecting-pipe between said pressure-pipe and the top of said reservoir.
2. In a sand-blast device the combination With a reservoir, of an outlet-pipe extending from a point above said reservoir centrally to and having its mouth ata point Within and adja- 5 cent the bottom of said reservoir, a pressurepipe extending past and connected to the upper end of said outlet-pipe, a connecting-pipe between said pressure-pipe and the top of
US23481004A 1904-11-29 1904-11-29 Sand-blast device. Expired - Lifetime US794122A (en)

Priority Applications (1)

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US23481004A US794122A (en) 1904-11-29 1904-11-29 Sand-blast device.

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US23481004A US794122A (en) 1904-11-29 1904-11-29 Sand-blast device.

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2496194A (en) * 1946-08-19 1950-01-31 Bennett Sidney Powder distributor for preventing offset from freshly printed sheets
US2725684A (en) * 1955-01-27 1955-12-06 Dalton L Crowe Portable sand blaster
US2742738A (en) * 1953-02-24 1956-04-24 George L Hall Wet abrasive dispenser
US2766558A (en) * 1951-12-07 1956-10-16 Robert B Black Apparatus for mixing an abrasive powder with a gaseous carrier under pressure
US2821439A (en) * 1955-01-20 1958-01-28 Air Reduction Pneumatic powder feeder
US3882638A (en) * 1973-10-04 1975-05-13 Robert B Black Air-abrasive prophylaxis equipment
US4540365A (en) * 1983-11-23 1985-09-10 Advanced Design Corporation Dental cleansing system
US20110300780A1 (en) * 2010-02-24 2011-12-08 Werner Hunziker Device for blast-machining or abrasive blasting objects

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2496194A (en) * 1946-08-19 1950-01-31 Bennett Sidney Powder distributor for preventing offset from freshly printed sheets
US2766558A (en) * 1951-12-07 1956-10-16 Robert B Black Apparatus for mixing an abrasive powder with a gaseous carrier under pressure
US2742738A (en) * 1953-02-24 1956-04-24 George L Hall Wet abrasive dispenser
US2821439A (en) * 1955-01-20 1958-01-28 Air Reduction Pneumatic powder feeder
US2725684A (en) * 1955-01-27 1955-12-06 Dalton L Crowe Portable sand blaster
US3882638A (en) * 1973-10-04 1975-05-13 Robert B Black Air-abrasive prophylaxis equipment
US4540365A (en) * 1983-11-23 1985-09-10 Advanced Design Corporation Dental cleansing system
US20110300780A1 (en) * 2010-02-24 2011-12-08 Werner Hunziker Device for blast-machining or abrasive blasting objects
US20110306279A1 (en) * 2010-02-24 2011-12-15 Werner Hunziker Blasting nozzle for a device for blast-machining or abrasive blasting objects
US8668554B2 (en) * 2010-02-24 2014-03-11 Werner Hunziker Blasting nozzle for a device for blast-machining or abrasive blasting objects
US8696406B2 (en) * 2010-02-24 2014-04-15 Werner Hunziker Device for blast-machining or abrasive blasting objects

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