US2628457A - Sandblasting device - Google Patents

Sandblasting device Download PDF

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Publication number
US2628457A
US2628457A US272190A US27219052A US2628457A US 2628457 A US2628457 A US 2628457A US 272190 A US272190 A US 272190A US 27219052 A US27219052 A US 27219052A US 2628457 A US2628457 A US 2628457A
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Prior art keywords
nozzle
sand
flexible tube
porcelain
lining
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Expired - Lifetime
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US272190A
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Kroll George
Handleman Leo
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Individual
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    • 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
    • B24C5/04—Nozzles therefor

Definitions

  • This invention relates to improvements in nozzles for sand blasting.
  • Another object is to decrease the cost and to increase the quality of articles finished by sand blasting.
  • the article to be treated may be placed in or under a receptacle provided with arm openings and an observation window for the operator.
  • a flexible tube conducting a stream of sand under pressure is also inserted in the receptacle for manipulation by the hands of the operator inserted through the arm openings.
  • an improved sand blast nozzle is made in two embodiments for removable attachment to the end of the tube in the receptacle.
  • the nozzle is constituted of a hardened clay outer surface lined with porcelain.
  • a resilient rubber lining removably attached over the porcelain provides an abrasion resisting surface as well as a washer for the removable attachment of the nozzle to the flexible tube.
  • the nozzle is formed entirely from procelain and is used without linings, but is provided a with a removable rubber washer for releasable attachment to the flexible tube.
  • FIGS 1 and 2 show the first embodiment of the improved sand blasting nozzle constructed in accordance with the principles of this invention, and in which:
  • Figure 1 is a plan view of the improved sand blasting nozzle
  • Figure 2 is a sectional view along 22 of Figure 1.
  • Figure 3 is a sectional view of the second embodiment of the improved sand blasting nozzle.
  • Figure 4 is a diagrammatic view showing the application of the improved nozzles of both the first and second embodiment.
  • reference numeral iii 2 indicates the nozzle
  • H a flexible tube for conducting a stream of sand under pressure to the nozzle It
  • l2 the article to be finished by sand blasting
  • I3 a hollow body or receptacle in which the article E2 to be finished with a sand blast is placed.
  • the receptacle It may be a hollow body of rec tangular cross section and made from any suitable mate-rial to form a closure around the article i2 while being processed by the sand blast. Any suitable opening (not shown) may be provided in the hollow body for the removable insertion of the article or the hollow body may have an open bottom for insertion over the article. In one side of the hollow body are two spaced openings M and 115 through which the hands and arms of the operator are inserted for the manipulation of the sand blast nozzle H), as later shown.
  • the same side of the hollow body is also provided with an observation window [6 which is constituted of a transparent panel of any suitable ma terial attached by any known means over an opening formed in the body above the previously mentioned openings I4 and !5.
  • an observation window [6 which is constituted of a transparent panel of any suitable ma terial attached by any known means over an opening formed in the body above the previously mentioned openings I4 and !5.
  • the operator may be provided with a shield equipped with the arm openings and observation window and designed to be erected upright between the article to be processed by the sand blast and the operator.
  • the receptacle I3 is another opening (not shown) for the removable insertion of the free end of the flexible tube H of known type and one end of which is connected to an outlet H? of a stream of sand under pressure.
  • the sand is placed under pressure in a known manner, that is, the sand may be located, as illustrated, in a container 19 from which it is lifted and formed into a stream under pressure by the known pump 2% and compressor 2
  • the nozzle I0 is constituted of an outer shell I l of hardened clay and is of inverted frusto-conical form with an integrally formed and outwardly directed flange 26 at the inlet end 22.
  • a longitudinal bore or opening 23 which is also of inverted frusto-conical shape and conforming substantially to the shape of the outer surface.
  • a porcelain lining 25 Over the surface of the bore 23 is secured by any known means a porcelain lining 25 and extending for the full length of the bore.
  • a resilient lining 21 Over the flange 26 and the porcelain lining 25 is a resilient lining 21 which may be made from socalled inner-tube rubber and which may be held in place at one end by any known coupling means 23 (Fig. 4) when the nozzle is attached to the flexible tube.
  • the opposite end of the resilient lining is turned around the periphery of the outlet 2d and thence back over the outer surface of the hardened clay, as illustrated.
  • Any suitable clamp 29 may be used to releasably hold the turned back end of the resilient member on the nozzle.
  • reference numeral d9 indicates the nozzle, and ii a resilient Washer.
  • the nozzle id is constituted of an unlined body of porcelain and, like the nozzle of the first embodiment, is of inverted frusto-conical form with an integrally formed and outwardly directed flange 52 at the inlet end 154.
  • a longitudinal bore or opening 43 Through the nozzle ii) is a longitudinal bore or opening 43, also of inverted frusto-conical form and substantially similar to the outer surface of the porcelain nozzle.
  • the article l2 to be processed by the sand blast is inserted in the receptacle or in back of the shield as the case may be, and the flexible tube H, equipped with either the nozzle it? or 3B, is also inserted in the receptacle or in back of the shield.
  • the operator places an arm through each of the openings id and i5 and grasps the nozzle it ⁇ or 48 in one or both hands for directing a stream of sand against the article 12.
  • the stream of sand entering and concentrated in the nozzle iii from the flexible tube will strike the resilient lining 27 where the force is substantially dissipated WiihQut undue wear on the porcelain lining.
  • the resilient lining can be quickly replaced with slight interruption to the work and without harm to the nozzle.
  • the nozzle is all porcelain, as shown by reference numeral in the second embodiment, the nozzle will withstand long usage before becoming inoperative.
  • a sand blast nozzle in combination with a flexible tube comprising a irustoconical body of hardened clay, the body having a frusto-conical bore formed therethrough and an outwardly directed integrally formed flange at one end, a porcelain lining disposed in the bore and a resilient lining disposed over the porcelain lining, the resilient lining being turned over the flange at one end and further being turned back over the hardened clay body at the opposite end, and means for releasably securing the flanged end of the .body to one end of the flexible tube.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)

Description

INVENTORS GZEOQGE 241. LEO HANDLE/WAN BY 57 E AI'IOE'A/KS G. KROLL ETAL SANDBLASTING DEVICE Flled Feb 18 1952 Feb. 17, 1953 Patented Feb. 17, 1953 'i OFFICE SANDBLASTKNG DEVICE George Kroll, Passaic, and Leo Handleman, Irvington, N. J.
1 Claim.
This invention relates to improvements in nozzles for sand blasting.
It is an object of the instant invention to provide a sand blast nozzle of longer life than heretofore known.
Another object is to decrease the cost and to increase the quality of articles finished by sand blasting.
Other objects of the instant invention will become apparent in the course of the followin specification.
In sand blasting, the article to be treated may be placed in or under a receptacle provided with arm openings and an observation window for the operator. A flexible tube conducting a stream of sand under pressure is also inserted in the receptacle for manipulation by the hands of the operator inserted through the arm openings. In accordance with the present invention, an improved sand blast nozzle is made in two embodiments for removable attachment to the end of the tube in the receptacle. In the first embodiment, the nozzle is constituted of a hardened clay outer surface lined with porcelain. A resilient rubber lining removably attached over the porcelain provides an abrasion resisting surface as well as a washer for the removable attachment of the nozzle to the flexible tube. In the second embodiment, the nozzle is formed entirely from procelain and is used without linings, but is provided a with a removable rubber washer for releasable attachment to the flexible tube.
The invention will appear more clearly from the following detailed description when taken in conjunction with the accompanying drawings showing by way of example the preferred embodiments of the inventive concept.
In the drawings:
Figures 1 and 2 show the first embodiment of the improved sand blasting nozzle constructed in accordance with the principles of this invention, and in which:
Figure 1 is a plan view of the improved sand blasting nozzle; and
Figure 2 is a sectional view along 22 of Figure 1.
Figure 3 is a sectional view of the second embodiment of the improved sand blasting nozzle; and
Figure 4 is a diagrammatic view showing the application of the improved nozzles of both the first and second embodiment.
Referring now in greater detail to the first embodiment of the improved sand blasting nozzle shown in Figures 1 and 2, reference numeral iii 2 indicates the nozzle, H (Fig. 4) a flexible tube for conducting a stream of sand under pressure to the nozzle It, l2 the article to be finished by sand blasting, and I3 a hollow body or receptacle in which the article E2 to be finished with a sand blast is placed.
The receptacle It may be a hollow body of rec tangular cross section and made from any suitable mate-rial to form a closure around the article i2 while being processed by the sand blast. Any suitable opening (not shown) may be provided in the hollow body for the removable insertion of the article or the hollow body may have an open bottom for insertion over the article. In one side of the hollow body are two spaced openings M and 115 through which the hands and arms of the operator are inserted for the manipulation of the sand blast nozzle H), as later shown. In addition, the same side of the hollow body is also provided with an observation window [6 which is constituted of a transparent panel of any suitable ma terial attached by any known means over an opening formed in the body above the previously mentioned openings I4 and !5. On the other hand, rather than using the receptacle I3, the operator may be provided with a shield equipped with the arm openings and observation window and designed to be erected upright between the article to be processed by the sand blast and the operator.
In the receptacle I3 is another opening (not shown) for the removable insertion of the free end of the flexible tube H of known type and one end of which is connected to an outlet H? of a stream of sand under pressure. The sand is placed under pressure in a known manner, that is, the sand may be located, as illustrated, in a container 19 from which it is lifted and formed into a stream under pressure by the known pump 2% and compressor 2|.
On the free end of the flexible tube H is removably attached the sand blast nozzle 10. The nozzle I0 is constituted of an outer shell I l of hardened clay and is of inverted frusto-conical form with an integrally formed and outwardly directed flange 26 at the inlet end 22. Through the nozzle H] is a longitudinal bore or opening 23 which is also of inverted frusto-conical shape and conforming substantially to the shape of the outer surface.
Over the surface of the bore 23 is secured by any known means a porcelain lining 25 and extending for the full length of the bore. Over the flange 26 and the porcelain lining 25 is a resilient lining 21 which may be made from socalled inner-tube rubber and which may be held in place at one end by any known coupling means 23 (Fig. 4) when the nozzle is attached to the flexible tube. The opposite end of the resilient lining is turned around the periphery of the outlet 2d and thence back over the outer surface of the hardened clay, as illustrated. Any suitable clamp 29 may be used to releasably hold the turned back end of the resilient member on the nozzle.
In the second embodiment of the improved nozzle shown in Figure 3, reference numeral d9 indicates the nozzle, and ii a resilient Washer.
The nozzle id is constituted of an unlined body of porcelain and, like the nozzle of the first embodiment, is of inverted frusto-conical form with an integrally formed and outwardly directed flange 52 at the inlet end 154. Through the nozzle ii) is a longitudinal bore or opening 43, also of inverted frusto-conical form and substantially similar to the outer surface of the porcelain nozzle.
In operation:
The article l2 to be processed by the sand blast is inserted in the receptacle or in back of the shield as the case may be, and the flexible tube H, equipped with either the nozzle it? or 3B, is also inserted in the receptacle or in back of the shield. The operator places an arm through each of the openings id and i5 and grasps the nozzle it} or 48 in one or both hands for directing a stream of sand against the article 12. The stream of sand entering and concentrated in the nozzle iii from the flexible tube will strike the resilient lining 27 where the force is substantially dissipated WiihQut undue wear on the porcelain lining. When worn, the resilient lining can be quickly replaced with slight interruption to the work and without harm to the nozzle. Where the nozzle is all porcelain, as shown by reference numeral in the second embodiment, the nozzle will withstand long usage before becoming inoperative.
.It will be apparent that subject sand blasting nozzles will be subject to a wide variety of modifications within the scope of the appended claim.
What is claimed is:
A sand blast nozzle in combination with a flexible tube, the nozzle comprising a irustoconical body of hardened clay, the body having a frusto-conical bore formed therethrough and an outwardly directed integrally formed flange at one end, a porcelain lining disposed in the bore and a resilient lining disposed over the porcelain lining, the resilient lining being turned over the flange at one end and further being turned back over the hardened clay body at the opposite end, and means for releasably securing the flanged end of the .body to one end of the flexible tube.
GEORGE KROIL. LEO HANDLEMAN.
REFERENCES CITED The following references are of record in the file of this patent:
UNITED STATES PATENTS Number Name Date 783,218 Murray Feb, '21, 1905 1,170,193 Sweet et al. -l Feb. 1, 19 16 1,393,562 Matthews Oct. 11, .1921 1,641,342 Mauney et a1. Sept. 6, 1927 2,038,249 Stoody -l Apr. 21, 1936 2,333,26 i McDermott Nov. 2, 1943 2,379,432 Heany July 3, 1945 2,508,874 Turnbull May 1&5!) 2,543,517 Anderson -l Feb. 27, 1:951
US272190A 1952-02-18 1952-02-18 Sandblasting device Expired - Lifetime US2628457A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2897692A (en) * 1955-06-09 1959-08-04 Simonds Saw & Steel Co Process for file making
DE2843013A1 (en) * 1978-10-03 1980-04-10 Peiniger Ernst Gmbh Sand blasting hose with nozzle - has long gradually reducing cross=section leading to nozzle end
US20040255991A1 (en) * 2000-05-05 2004-12-23 Isurgical, Llc Method and apparatus for storing guide wires
EP3430291B1 (en) * 2016-03-16 2021-06-23 Pnr Italia S.r.L. Sealing gasket having a through hole with a cross section decreasing in size, nozzle which can be coupled to said gasket, and spraying end comprising said nozzle coupled to said gasket

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US783218A (en) * 1904-05-12 1905-02-21 Internat Sand Blast Company Sand-blast apparatus.
US1170198A (en) * 1913-10-17 1916-02-01 Straight Line Engine Company Sand-blast device.
US1393562A (en) * 1920-10-08 1921-10-11 Int Motor Co Sand-blast nozzle
US1641342A (en) * 1925-03-30 1927-09-06 William C Mauney Sand-blast system
US2038249A (en) * 1933-05-17 1936-04-21 Stoody Co Sandblast nozzle and holder
US2333264A (en) * 1942-02-21 1943-11-02 Smith Corp A O Sandblast nozzle
US2379432A (en) * 1942-04-21 1945-07-03 Heany Ind Ceramic Corp Nozzle
US2508874A (en) * 1946-02-09 1950-05-23 American Wheelabrator & Equipm Casting screw threads on blast nozzles and the like
US2543517A (en) * 1947-06-09 1951-02-27 Jo Zach Miller Iii Apparatus for combining and emplacing cementitious substances

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US783218A (en) * 1904-05-12 1905-02-21 Internat Sand Blast Company Sand-blast apparatus.
US1170198A (en) * 1913-10-17 1916-02-01 Straight Line Engine Company Sand-blast device.
US1393562A (en) * 1920-10-08 1921-10-11 Int Motor Co Sand-blast nozzle
US1641342A (en) * 1925-03-30 1927-09-06 William C Mauney Sand-blast system
US2038249A (en) * 1933-05-17 1936-04-21 Stoody Co Sandblast nozzle and holder
US2333264A (en) * 1942-02-21 1943-11-02 Smith Corp A O Sandblast nozzle
US2379432A (en) * 1942-04-21 1945-07-03 Heany Ind Ceramic Corp Nozzle
US2508874A (en) * 1946-02-09 1950-05-23 American Wheelabrator & Equipm Casting screw threads on blast nozzles and the like
US2543517A (en) * 1947-06-09 1951-02-27 Jo Zach Miller Iii Apparatus for combining and emplacing cementitious substances

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2897692A (en) * 1955-06-09 1959-08-04 Simonds Saw & Steel Co Process for file making
DE2843013A1 (en) * 1978-10-03 1980-04-10 Peiniger Ernst Gmbh Sand blasting hose with nozzle - has long gradually reducing cross=section leading to nozzle end
US20040255991A1 (en) * 2000-05-05 2004-12-23 Isurgical, Llc Method and apparatus for storing guide wires
EP3430291B1 (en) * 2016-03-16 2021-06-23 Pnr Italia S.r.L. Sealing gasket having a through hole with a cross section decreasing in size, nozzle which can be coupled to said gasket, and spraying end comprising said nozzle coupled to said gasket

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