US2608032A - Suction blast gun - Google Patents
Suction blast gun Download PDFInfo
- Publication number
- US2608032A US2608032A US182023A US18202350A US2608032A US 2608032 A US2608032 A US 2608032A US 182023 A US182023 A US 182023A US 18202350 A US18202350 A US 18202350A US 2608032 A US2608032 A US 2608032A
- Authority
- US
- United States
- Prior art keywords
- blasting
- gun
- nozzle
- passageway
- abrasive
- 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 - Lifetime
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Classifications
-
- 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
Definitions
- Additional objects of the present invention iiielude particle-blasting guns that can be used to enter small openings and cavities the internalsurfaces of which are to be subjected to the blasting treatment, and that can be used with wet or dry abrasive.
- Fig. 1 shows a vertical cross-section of a particle blasting gun in accordance with one embodiment of this invention
- Fig. 2 is a sectional view along 2-2 of Fig. 1;
- Fig. 3 is a plan view of the blasting gun shown in Figs. 1 and 2;
- the gun of Figs. 1, 2 and 3 comprises two substantially parallel lines I and 2 for supplying abrasive and air respectively.
- the lines are shown as of yieldable material such as rubberized fabric and are connected to a nozzle holder or gun body 4.
- the gun body 4 is an integral iron casting provided as by drilling with separate air and abrasive receiving passages 5 and 6 respectively, that are substantially parallel to each other.
- the passages 5 and 6 are interconnected by a perpendicular air jet orifice 1.
- Aligned with the jet orifice is an external opening that extends into the abrasive receiving passageway 6 and receives a nozzle 9.
- Nozzle 9 extends into the passageway 6 and is retained in place by means of set screw l threadedly received in the outer wall of the gun body which is suitably cut away as shown. for convenience.
- the distance between the innermost end of the nozzle 9 and the outer tip of orifice 1 may vary from about 4 inch to about 1 inch or more as desired.
- Abrasive line I is received within an enlarged outer portion of passageway 6 and retained in place by means of one or more flat-head wood' screws l6 that extend through openings in the surrounding wall portion I and engage the wall 1 Claim. (01. 5111) of line I Where more than one screw 16 is used they are staggered vertically along as well as peripherally around the line. The oppositeend of passageway 6 is closed as by the threadedly flttedplugZl.” j
- Line 2 a hose similar to line l,'is connected to, air receiving passageway 5 by means of nipple l9 which threadedly engages the corresponding end of passageway 5, and'around which the line is held as by means of hose clamp 20.
- a second plug 22 is shown as closing oil the opposite end of this passageway. Both plugs -may be removed for facilitating the cleaning of the gun body 4.
- the projecting body portion I5 is shaped to form a reduced skirt over which a rigid tube such as a pipe 3 is received and held as by set screws I I, I2 threadedly engaged in the pipe walls and jammed against the skirt.
- Fig. 4 shows a modified form of construction which differs from that of Figs. 1, 2 and 3 in that the nozzle is completely v recessed into the gun body, and the mounting pipe and set screw lugs are dimensioned so asto lie entirely within the outlines of the body periphery.
- the blasting remove or deemphasize machining or tool marks, but it gives the blasted surface a very fine irregularity or grained appearance that compares favorably with the etched-type surface heretofore used to improve lubrication of the above cylinders.
- the blasting is easier and less expensive to efiect than the etching even without the honing normally used as a preparatory treatment for the etching.
- a feature of the present invention is the compactness of the assembly.
- the nozzle is practically entirely Within the gun body, yet is readily replaceable.
- the air jet passageway is an integral part of the gun body but is not subjected to any serious amounts of erosion and does not have to be replaced.
- the entire gun can be made in varying sizes, the smallest having an overall diameter of about two inches.
- the perpendicularity between the blasting direction and the supply lines is of special significance inasmuch as this is highly advantageous when blasting the inner surfaces of hollow articles.
- the nozzle 9 and air jet 1 can be tilted from the perpendicular in a direction toward the plugs, by amounts of up to about 30 degrees. This improves the blasting of surfaces into which the cannot be completely inserted.
- , 22 may be replaced by imperforate portions of the body so that the passages 5, 6 have blind lower ends.
- a highly satisfactory blasting technique employs an abrasive slurry of ⁇ it ⁇ to 35,9. mesh-sand in water, and an air pressure or 30 per: square inch, with the nozzle 9 having a blasting opening inch in diameter,
- the same sand can also be efiectively used in dry condition, although for graining purposes the wet blasting is generally superior.
- Metal particles can also be used in p ace 9 t e san and the o-ca l d se t" a as es su h.
- an eemp e lasting gun let qieeting a 4 stream of abrasive particles an elongated integral gun body having two parallel side-by-side passages both extending through its entire length, removable plugs closing ofi one end of each passage, separate securing elements separately provided at the unplugged ends of the passages to separately receive independent conduits, one for a supply oi abrasive particles and the-other for a supply of impelling fluid, a discharge nozzle projecting out through a wall of one of the passages for the lateral discharge of the blasting mixture from the gun body, the body wall between the passages including an intercommunication duct ali ned with the male for jettin the supplie fluid from the other passage out through the nozzle, said nozzle having its inner end located about 4,4,," to; about 1" iron; the near end of the duct to cause the jetted fluid to eject a stream of abrasive particles from the other passageway and through the nozzle.
Description
Aug. 26, 1952 R. R..GARVER SUCTION BLAST GUN Filed Aug. 29, 1950 INVENTOR m Y v w R R C T H 0 6 M w. M m
Patented Aug. 26, 1952 SUCTION BLAST GUN Ralph E. Garver, Hagersto'wn, Md., assignor to Pangborn Corporation, Hagerstown, Md., a corporation of Maryland Application August 29, 1950, Serial No. 182,023 1 Among the objects of the present invention is' the provision of a particle blastinggun of highly efllcient, simple and compact construction.
Additional objects of the present invention iiielude particle-blasting guns that can be used to enter small openings and cavities the internalsurfaces of which are to be subjected to the blasting treatment, and that can be used with wet or dry abrasive.
The above as well as other objects of the present invention will be more readily understood from the following description of several of its exempliflcations, taken in conjunction with the appended drawings wherein:
Fig. 1 shows a vertical cross-section of a particle blasting gun in accordance with one embodiment of this invention;
Fig. 2 is a sectional view along 2-2 of Fig. 1;
Fig. 3 is a plan view of the blasting gun shown in Figs. 1 and 2; and
Fig. 4 is a view similar to Fig. 2 of a modified form of blasting gun exemplifying the present invention.
The gun of Figs. 1, 2 and 3 comprises two substantially parallel lines I and 2 for supplying abrasive and air respectively. ,The lines are shown as of yieldable material such as rubberized fabric and are connected to a nozzle holder or gun body 4.
In this embodiment of the invention, the gun body 4 is an integral iron casting provided as by drilling with separate air and abrasive receiving passages 5 and 6 respectively, that are substantially parallel to each other. The passages 5 and 6 are interconnected by a perpendicular air jet orifice 1. Aligned with the jet orifice is an external opening that extends into the abrasive receiving passageway 6 and receives a nozzle 9. Nozzle 9 extends into the passageway 6 and is retained in place by means of set screw l threadedly received in the outer wall of the gun body which is suitably cut away as shown. for convenience. The distance between the innermost end of the nozzle 9 and the outer tip of orifice 1 may vary from about 4 inch to about 1 inch or more as desired.
Abrasive line I is received within an enlarged outer portion of passageway 6 and retained in place by means of one or more flat-head wood' screws l6 that extend through openings in the surrounding wall portion I and engage the wall 1 Claim. (01. 5111) of line I Where more than one screw 16 is used they are staggered vertically along as well as peripherally around the line. The oppositeend of passageway 6 is closed as by the threadedly flttedplugZl." j
To simplify the manipulation of the gun, as when it is to be inserted into pipes to blast their internal surfaces, the projecting body portion I5 is shaped to form a reduced skirt over which a rigid tube such as a pipe 3 is received and held as by set screws I I, I2 threadedly engaged in the pipe walls and jammed against the skirt. For
improving this anchorage, the pipe is reenforced at the threaded set screwsites by lugs l3, H which may be welded in place and are also threadedly engaged by the set screws.
Fig. 4 shows a modified form of construction which differs from that of Figs. 1, 2 and 3 in that the nozzle is completely v recessed into the gun body, and the mounting pipe and set screw lugs are dimensioned so asto lie entirely within the outlines of the body periphery.
It has been found that abrasive blasting is a. simple and extremely effective treatment by which machined surfaces such as pump cylinders, cylinder bores of piston-type internal combustion engines, or the like can be given a fine finish that is much superior to the conventional honing.
Not only does the blasting remove or deemphasize machining or tool marks, but it gives the blasted surface a very fine irregularity or grained appearance that compares favorably with the etched-type surface heretofore used to improve lubrication of the above cylinders. The blasting is easier and less expensive to efiect than the etching even without the honing normally used as a preparatory treatment for the etching.
A feature of the present invention is the compactness of the assembly. The nozzle is practically entirely Within the gun body, yet is readily replaceable. The air jet passageway is an integral part of the gun body but is not subjected to any serious amounts of erosion and does not have to be replaced. The entire gun can be made in varying sizes, the smallest having an overall diameter of about two inches.
The perpendicularity between the blasting direction and the supply lines is of special significance inasmuch as this is highly advantageous when blasting the inner surfaces of hollow articles. If desired however the nozzle 9 and air jet 1 can be tilted from the perpendicular in a direction toward the plugs, by amounts of up to about 30 degrees. This improves the blasting of surfaces into which the cannot be completely inserted. As an alternative construction the plugs, 2|, 22 may be replaced by imperforate portions of the body so that the passages 5, 6 have blind lower ends.
A highly satisfactory blasting technique employs an abrasive slurry of {it} to 35,9. mesh-sand in water, and an air pressure or 30 per: square inch, with the nozzle 9 having a blasting opening inch in diameter, The same sand can also be efiectively used in dry condition, although for graining purposes the wet blasting is generally superior. Metal particles can also be used in p ace 9 t e san and the o-ca l d se t" a as es su h. as finely divided tern hush-s or walnut she ls a al o su ed o us with can eli the n e t on a As many apparently widely different embodi= meats cl hi i n n may be m e. withou departing rom the spi i and. s o e he eqf it is e be. understoed h t. this in en on i o imited n the sneelfle embodimen i ree except as de: ned lathe. appe ed elai n-v 7 What sel imlceq is: I
a eemp e lasting gun let qieeting a 4 stream of abrasive particles, an elongated integral gun body having two parallel side-by-side passages both extending through its entire length, removable plugs closing ofi one end of each passage, separate securing elements separately provided at the unplugged ends of the passages to separately receive independent conduits, one for a supply oi abrasive particles and the-other for a supply of impelling fluid, a discharge nozzle projecting out through a wall of one of the passages for the lateral discharge of the blasting mixture from the gun body, the body wall between the passages including an intercommunication duct ali ned with the male for jettin the supplie fluid from the other passage out through the nozzle, said nozzle having its inner end located about 4,4,," to; about 1" iron; the near end of the duct to cause the jetted fluid to eject a stream of abrasive particles from the other passageway and through the nozzle.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US182023A US2608032A (en) | 1950-08-29 | 1950-08-29 | Suction blast gun |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US182023A US2608032A (en) | 1950-08-29 | 1950-08-29 | Suction blast gun |
Publications (1)
Publication Number | Publication Date |
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US2608032A true US2608032A (en) | 1952-08-26 |
Family
ID=22666778
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US182023A Expired - Lifetime US2608032A (en) | 1950-08-29 | 1950-08-29 | Suction blast gun |
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US (1) | US2608032A (en) |
Cited By (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3185512A (en) * | 1963-09-30 | 1965-05-25 | Gen Motors Corp | Sand delivery nozzle assembly |
FR2296473A1 (en) * | 1974-12-31 | 1976-07-30 | Abrasive Int Ltd | ABRASIVE GUN BODY AND GUN WITH SUCH BODY |
US5037432A (en) * | 1987-11-27 | 1991-08-06 | Lorenzo Molinari | Adjustable apparatus for removing surface portions of human tissue |
US6162232A (en) * | 1999-03-18 | 2000-12-19 | Shadduck; John H. | Instruments and techniques for high-velocity fluid abrasion of epidermal layers with skin cooling |
US6277128B1 (en) | 1998-07-11 | 2001-08-21 | J. Scott Muldner | Skin abrasion treatment device |
US6299620B1 (en) | 1999-03-18 | 2001-10-09 | Aq Technologies, Inc. | Instruments and techniques for inducing neocollagenesis in skin treatments |
US6387103B2 (en) | 1999-12-30 | 2002-05-14 | Aq Technologies, Inc. | Instruments and techniques for inducing neocollagenesis in skin treatments |
US6511486B2 (en) | 2001-03-09 | 2003-01-28 | Silhouet-Tone Ltee | Dermabrasion hand tool for abrasively removing skin surface |
US6582442B2 (en) | 2000-02-28 | 2003-06-24 | Dynatronics Corporation | Method and system for performing microabrasion |
US20030212415A1 (en) * | 2001-11-21 | 2003-11-13 | Karasiuk Kenneth B. | Skin treatment system and method of use |
US6926681B1 (en) | 1999-05-11 | 2005-08-09 | Dynatronics Corporation | Method and system for performing microabrasion and suction massage |
US20060253125A1 (en) * | 2005-03-07 | 2006-11-09 | Ignon Roger G | Microdermabrasion method and apparatus |
US20070156124A1 (en) * | 2005-12-30 | 2007-07-05 | Roger Ignon | Apparatus and methods for treating the skin |
US20090222023A1 (en) * | 2008-02-29 | 2009-09-03 | Emed, Inc. | Microdermabrasion Treatment Heads |
US7678120B2 (en) | 1999-08-26 | 2010-03-16 | Axia Medsciences, Llc | Instruments and techniques for controlled removal of epidermal layers |
US8343116B2 (en) | 2008-01-04 | 2013-01-01 | Edge Systems Corporation | Apparatus and method for treating the skin |
US8814836B2 (en) | 2008-01-29 | 2014-08-26 | Edge Systems Llc | Devices, systems and methods for treating the skin using time-release substances |
US9050133B1 (en) | 2009-12-22 | 2015-06-09 | Envy Medical, Inc. | Skin treatment system with adjustable height wand |
US9056193B2 (en) | 2008-01-29 | 2015-06-16 | Edge Systems Llc | Apparatus and method for treating the skin |
US9498610B2 (en) | 2014-12-23 | 2016-11-22 | Edge Systems Llc | Devices and methods for treating the skin using a rollerball or a wicking member |
US9566088B2 (en) | 2006-03-29 | 2017-02-14 | Edge Systems Llc | Devices, systems and methods for treating the skin |
US9833261B2 (en) | 2008-08-22 | 2017-12-05 | Envy Medical, Inc. | Microdermabrasion system upgrade kit |
US10172644B2 (en) | 2006-03-29 | 2019-01-08 | Edge Systems Llc | Devices, systems and methods for treating the skin |
US10179229B2 (en) | 2014-12-23 | 2019-01-15 | Edge Systems Llc | Devices and methods for treating the skin using a porous member |
US10238812B2 (en) | 2013-03-15 | 2019-03-26 | Edge Systems Llc | Skin treatment systems and methods using needles |
US10485983B1 (en) | 2008-08-22 | 2019-11-26 | Envy Medical, Inc. | Microdermabrasion system with combination skin therapies |
US10993743B2 (en) | 2013-03-15 | 2021-05-04 | Edge Systems Llc | Devices, systems and methods for treating the skin |
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2392897A (en) * | 1943-10-30 | 1946-01-15 | Ex Cell O Corp | Sandblast tool |
US2420463A (en) * | 1945-12-10 | 1947-05-13 | Auto City Plating Co | Apparatus for washing cylinders |
-
1950
- 1950-08-29 US US182023A patent/US2608032A/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2392897A (en) * | 1943-10-30 | 1946-01-15 | Ex Cell O Corp | Sandblast tool |
US2420463A (en) * | 1945-12-10 | 1947-05-13 | Auto City Plating Co | Apparatus for washing cylinders |
Cited By (71)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3185512A (en) * | 1963-09-30 | 1965-05-25 | Gen Motors Corp | Sand delivery nozzle assembly |
FR2296473A1 (en) * | 1974-12-31 | 1976-07-30 | Abrasive Int Ltd | ABRASIVE GUN BODY AND GUN WITH SUCH BODY |
US5037432A (en) * | 1987-11-27 | 1991-08-06 | Lorenzo Molinari | Adjustable apparatus for removing surface portions of human tissue |
US6277128B1 (en) | 1998-07-11 | 2001-08-21 | J. Scott Muldner | Skin abrasion treatment device |
US6162232A (en) * | 1999-03-18 | 2000-12-19 | Shadduck; John H. | Instruments and techniques for high-velocity fluid abrasion of epidermal layers with skin cooling |
US6299620B1 (en) | 1999-03-18 | 2001-10-09 | Aq Technologies, Inc. | Instruments and techniques for inducing neocollagenesis in skin treatments |
US6926681B1 (en) | 1999-05-11 | 2005-08-09 | Dynatronics Corporation | Method and system for performing microabrasion and suction massage |
US7678120B2 (en) | 1999-08-26 | 2010-03-16 | Axia Medsciences, Llc | Instruments and techniques for controlled removal of epidermal layers |
US8337513B2 (en) | 1999-08-26 | 2012-12-25 | Axia Medsciences, Llc | Instruments and techniques for controlled removal of epidermal layers |
US9468464B2 (en) | 1999-08-26 | 2016-10-18 | Axia Medsciences, Llc | Methods for treating the skin using vacuum |
US8066716B2 (en) | 1999-08-26 | 2011-11-29 | Axia Medsciences, Llc | Instruments and techniques for controlled removal of epidermal layers |
US7789886B2 (en) | 1999-08-26 | 2010-09-07 | Axia Medsciences, Llc | Instruments and techniques for controlled removal of epidermal layers |
US9775646B2 (en) | 1999-08-26 | 2017-10-03 | Axia Medsciences, Llc | Devices and systems for treating the skin using vacuum |
US6387103B2 (en) | 1999-12-30 | 2002-05-14 | Aq Technologies, Inc. | Instruments and techniques for inducing neocollagenesis in skin treatments |
US6582442B2 (en) | 2000-02-28 | 2003-06-24 | Dynatronics Corporation | Method and system for performing microabrasion |
US6511486B2 (en) | 2001-03-09 | 2003-01-28 | Silhouet-Tone Ltee | Dermabrasion hand tool for abrasively removing skin surface |
US7658742B2 (en) | 2001-11-21 | 2010-02-09 | Envy Medical, Inc. | Skin treatment system and method of use |
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