WO2017039557A1 - Dental wet sandblasting machine - Google Patents
Dental wet sandblasting machine Download PDFInfo
- Publication number
- WO2017039557A1 WO2017039557A1 PCT/TR2016/050307 TR2016050307W WO2017039557A1 WO 2017039557 A1 WO2017039557 A1 WO 2017039557A1 TR 2016050307 W TR2016050307 W TR 2016050307W WO 2017039557 A1 WO2017039557 A1 WO 2017039557A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sandblasting
- water
- pot
- wet
- nozzle
- Prior art date
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
- B24C3/18—Abrasive blasting machines or devices; Plants essentially provided with means for moving workpieces into different working positions
- B24C3/26—Abrasive blasting machines or devices; Plants essentially provided with means for moving workpieces into different working positions the work being supported by barrel cages, i.e. tumblers; Gimbal mountings therefor
- B24C3/28—Apparatus using nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
- B24C1/08—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for polishing surfaces, e.g. smoothing a surface by making use of liquid-borne abrasives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C3/00—Abrasive blasting machines or devices; Plants
- B24C3/32—Abrasive blasting machines or devices; Plants designed for abrasive blasting of particular work, e.g. the internal surfaces of cylinder blocks
-
- 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
- B24C7/0076—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 the blasting medium being a liquid stream
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
- B24C9/006—Treatment of used abrasive material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Definitions
- the invention is related to blasting of dental prosthesis jaw metals.
- the blasting process of prosthesis and implant metals is known as burnout blasting in the sector, the production of said metals are carried out by melting metal alloys that has been prepared in a cast and by pouring said alloys into a mould; following this process the cleaning of the mould scraps that are burnt and hardened and the cast residues formed on the cast can only be performed by blasting.
- the known technique is limited to pneumatic machines; these machines operate with compressors having average 40kw power, which provide continuous air flow and as they are lightweight for abrasive blasting materials, they only operate with aluminium oxide sand, and as the abrasive material, metal and intensive plaster dust cannot be prevented during pneumatic blasting, and therefore employees frequently suffer from cancer, silicosis, lung and respiratory tract diseases.
- Another known application is based on the principle blasting with an external hose following the projection of air and sand from the nozzle.
- the sand is not dampened at the desired level, the dust emission cannot be prevented.
- water and sand that is blasted is accumulated inside the accumulation tank following sand blasting and the sand is completely dampened herein.
- the sand that is dampened inside the body is dried in a short period of time to be reused. If the sand cannot be dried sufficiently, the air pressure that is used, cannot sufficiently vacuum the sand that has gained weight as it is wet.
- Another known application is based on carrying out blasting with sand and water, from the nozzle by transmitting the air pressure transferred to the tank via a high capacity compressor to the nozzle, wherein said sand and water is trapped inside a pressurized tank. Air is not sufficient in long term usages in this application and a break needs to be given to the sandblasting process. Moreover the consumed material needs to be recollected and transferred back into the tank.
- sandblasting hose is attached to the nozzle which is attached at the end of the washing gun that is connected to a mobile pressurized water pump thereby said application being based on suction being carried out on the sand and sandblasting being carried out with the sand that is dampened with water.
- the part that needs to be sandblasted needs to be fixed and the sandblasting process of the part is carried out manually by turning around the part with a wash gun. Again in this application the sand and water that is used cannot be recycled.
- the aim of this invention is to provide a sandblasting machine which enables to sandblast small and asymmetrical parts used in the dental sector.
- Another aim of this invention is to provide a sandblasting machine which performs sandblasting by projecting the sand inside the wet sandblasting nozzle via only water pressure and by means of completely dampening said sand.
- Another aim of this invention is to provide a sandblasting machine which can operate in a closed environment with zero dust output, noiselessly.
- the sandblasting machine provided in order to reach the aim of this invention comprises;
- a water jet pump which receives the water from the water inlet, by means of the motion it receives from the electric engine and transfers the water, via the water outlet to the wet sandblasting nozzle in a pressurized manner
- a wet sandblasting nozzle which vacuums the abrasive material located inside the sand pool and projects it to the sandblasting pot, following mixing thereof with water, wherein said abrasive material is vacuumed from sand inlet that is located on the pot, by means of the low pressure formed inside the cavity within the body, while the pressurized water received from the water jet pump is discharged from the water outlet nozzle, and
- a sandblasting pot which contains the parts to be sandblasted which enables to sandblast the parts in the pot while the pot is rotated by means of the motion received from the engine.
- Figure 1- Is the schematic view of the dental sandblasting machine.
- the sandblasting machine subject to the invention comprises an electric engine (1) which drives the water jet pump.
- the sandblasting machine subject to the invention comprises a water jet pump (2) which receives water via the water outlet (4) from the water inlet (3) by means of the motion it receives from the electric engine (1) and transfers the pressurized water to the wet sandblasting nozzle (6).
- the sandblasting machine subject to the invention comprises a wet sandblasting nozzle (6) which projects the abrasive material to the sandblasting pot (11) after vacuuming the material by means of the low pressure formed inside the cavity of the body, from the sand inlet (8) located on the pot and mixing it with water, where said material is located inside the sand pot (10), while the pressurized water received from the water jet pump (2) is discharged from the water outlet nozzle (7).
- the sandblasting machine subject to the invention comprises a sandblasting pot (11) which accommodates the parts to be sandblasted therein and enables the sandblasting of the parts inside the pot while it rotates by means of the driving motion it has received from the sandblasting pot engine (12).
- the water that located inside the wet sandblasting nozzle (6) body that is discharged from the water outlet nozzle (7) thereof, having a diameter range preferably between 0,5-0,9mm forms a vacuum inside the wet sandblasting nozzle (6) and vacuums the abrasive material in the sand pool (10) from the sand inlet (8), using a sand hose (9).
- the abrasive material that has been vacuumed is mixed with water inside the wet sandblasting nozzle (6) body and is rapidly projected to the sandblasting pot (11), the sandblasting pot (11) rotates preferably 10 times per minute by means of a 12v electric engine (12) and enables to clean by sandblasting every part of the prosthesis metals by toppling over the dental prosthesis metals freely inside the pot.
- the sandblasting pot (11) is a container which has an opening facing the wet sandblasting nozzle (6) and where the other sides are closed.
- the sandblasting pot (11) has been positioned at an angle of 0-90° towards the direction of spraying of the wet sandblasting nozzle (6), and preferably positioned at an angle of 45°.
- Levels with various lengths that may project towards the center of the sandblasting pot (11) may be provided (such as those provided inside a washing machine).
- the sandblasting pot (11) has these levels, and it is positioned at an angle and as the sandblasting pot (11) is rotated by means of a sandblasting pot engine (12), it is enabled that all parts that are to be sandblasted inside the sandblasting pot (11) are sandblasted homogenously and that the parts are exposed completely to the water and sand, sprayed by the wet sandblasting nozzle (6).
- Various numbers of holes can be provided around the sandblasting pot (11).
- the water and sand that is discharged from these holes, is collected inside the collection tank which is located around the sandblasting pot (11) and said sand and water is separated through the filters located inside the collection tank, and the water can be re-directed to the water inlet (3) and the sand is transferred to the sand pool (10). Therefore it is enabled for the materials that have been used to be recycled.
- Projection towards the inside at the edges of the sandblasting pot (11) facing the wet sandblasting nozzle (6) has been provided. These projections shall prevent the discharging of the parts to be sandblasted inside the sandblasting pot (11) during operation. Again due to a similar aim, the discharging of the parts to be sandblasted during operation is prevented by closing the section of the sandblasting pot (11) facing the wet sandblasting nozzle (6) with a cage like assembly. Manual retouching of the parts that need retouching can be carried out by connecting a pen type sandblasting nozzle to the present water jet pump (2) of the sandblasting machine subject to the invention.
- the sandblasting machine subject to the invention performs sandblasting only by water and it does not cause dust, it can operate with zero dust discharge in a closed environment and as it has high operation pressure, the wet sandblasting nozzle (6) can also vacuum and use abrasive materials that are heavier and cheaper; the sandblasting procedure which takes 15-20 minutes to complete in the prior art, is completed in 2 minutes, water consumption is 2.5 litres per minute, the prosthesis can be adjusted due to the rigidity of the titanium alloy metal and they are not damaged from high pressure sandblasting.
Abstract
The invention is related to a dental wet sandblasting machine which enables sandblasting of jaw metals for dental prosthesis. The sandblasting machine subject to the invention comprises a water jet pump (2), which receives water via the water outlet (4) from the water inlet (3) by means of the motion it receives from the electric engine (1) and transfers the pressurized water to the wet sandblasting nozzle (6); a wet sandblasting nozzle (6) which vacuums said abrasive material located inside the sand pool (10) from the sand inlet (8) located thereon using the low pressure that is formed in the cavity of the body while it discharges the pressurized water it has received from the water jet pump (2) out of the water discharge nozzle (7) and mixes said abrasive material with water and projects it to the sandblasting pot (11); and a sandblasting pot (11), which houses the parts to be sandblasted and enables the sandblasting of the parts while rotating by means of the motion it receives from the sandblasting pot engine (12).
Description
DENTAL WET SANDBLASTING MACHINE
Technical Field
This patent application has been filed as an additional patent application to the patent application numbered 2015/11216 which has been filed on 04.09.2015.
The invention is related to blasting of dental prosthesis jaw metals.
Prior Art
The blasting process of prosthesis and implant metals is known as burnout blasting in the sector, the production of said metals are carried out by melting metal alloys that has been prepared in a cast and by pouring said alloys into a mould; following this process the cleaning of the mould scraps that are burnt and hardened and the cast residues formed on the cast can only be performed by blasting. The known technique is limited to pneumatic machines; these machines operate with compressors having average 40kw power, which provide continuous air flow and as they are lightweight for abrasive blasting materials, they only operate with aluminium oxide sand, and as the abrasive material, metal and intensive plaster dust cannot be prevented during pneumatic blasting, and therefore employees frequently suffer from cancer, silicosis, lung and respiratory tract diseases.
Another known application is based on the principle blasting with an external hose following the projection of air and sand from the nozzle. In this application if the sand is not dampened at the desired level, the dust emission cannot be prevented. Together with this, water and sand that is blasted, is accumulated inside the accumulation tank following sand blasting and the sand is completely
dampened herein. It is mandatory for the sand that is dampened inside the body to be dried in a short period of time to be reused. If the sand cannot be dried sufficiently, the air pressure that is used, cannot sufficiently vacuum the sand that has gained weight as it is wet.
Another known application is based on carrying out blasting with sand and water, from the nozzle by transmitting the air pressure transferred to the tank via a high capacity compressor to the nozzle, wherein said sand and water is trapped inside a pressurized tank. Air is not sufficient in long term usages in this application and a break needs to be given to the sandblasting process. Moreover the consumed material needs to be recollected and transferred back into the tank.
In another known application, sandblasting hose is attached to the nozzle which is attached at the end of the washing gun that is connected to a mobile pressurized water pump thereby said application being based on suction being carried out on the sand and sandblasting being carried out with the sand that is dampened with water.
Some problems are faced during said application.
First of all, in this application the part that needs to be sandblasted needs to be fixed and the sandblasting process of the part is carried out manually by turning around the part with a wash gun. Again in this application the sand and water that is used cannot be recycled.
As the parts to be sandblasted in the dental sector are small and asymmetrical, the above mentioned applications have not been able to provide the desired results. For this reason the need to develop a new sandblasting machine directed to sandblasting of small and asymmetrical parts within the dental sector has risen.
Brief Description of the Invention and its Aims
The aim of this invention is to provide a sandblasting machine which enables to sandblast small and asymmetrical parts used in the dental sector.
Another aim of this invention is to provide a sandblasting machine which performs sandblasting by projecting the sand inside the wet sandblasting nozzle via only water pressure and by means of completely dampening said sand.
Another aim of the invention is to provide a sandblasting machine where the dental parts that are to be sandblasted are moved inside the sandblasting pot. Another aim of the invention is to provide a sandblasting machine which enables to re-use the sand and water by recycling said sand and water.
Another aim of this invention is to provide a sandblasting machine which can operate in a closed environment with zero dust output, noiselessly.
The sandblasting machine provided in order to reach the aim of this invention comprises;
An electric engine which drives the water jet pump,
A water jet pump which receives the water from the water inlet, by means of the motion it receives from the electric engine and transfers the water, via the water outlet to the wet sandblasting nozzle in a pressurized manner, A wet sandblasting nozzle which vacuums the abrasive material located inside the sand pool and projects it to the sandblasting pot, following mixing thereof with water, wherein said abrasive material is vacuumed from sand inlet that is located on the pot, by means of the low pressure formed inside the cavity within the body, while the pressurized water
received from the water jet pump is discharged from the water outlet nozzle, and
A sandblasting pot which contains the parts to be sandblasted which enables to sandblast the parts in the pot while the pot is rotated by means of the motion received from the engine.
Detailed Description of the Invention
The sandblasting machine provided in order to reach the aims of the invention has been described in the attached figures.
Figure 1- Is the schematic view of the dental sandblasting machine.
The parts in the figures have been numbered and their references have been listed below.
1) Electric engine
2) Water jet pump
3) Water inlet
4) Water outlet
5) Pressurized water hose
6) Wet sandblasting nozzle
V) Water outlet nozzle
8) Sand inlet
9) Sand hose
10) Sand pool
11) Sandblasting pot
12) Sandblasting pot
The sandblasting machine subject to the invention comprises an electric engine (1) which drives the water jet pump.
The sandblasting machine subject to the invention comprises a water jet pump (2) which receives water via the water outlet (4) from the water inlet (3) by means of the motion it receives from the electric engine (1) and transfers the pressurized water to the wet sandblasting nozzle (6).
The sandblasting machine subject to the invention comprises a wet sandblasting nozzle (6) which projects the abrasive material to the sandblasting pot (11) after vacuuming the material by means of the low pressure formed inside the cavity of the body, from the sand inlet (8) located on the pot and mixing it with water, where said material is located inside the sand pot (10), while the pressurized water received from the water jet pump (2) is discharged from the water outlet nozzle (7).
The sandblasting machine subject to the invention comprises a sandblasting pot (11) which accommodates the parts to be sandblasted therein and enables the sandblasting of the parts inside the pot while it rotates by means of the driving motion it has received from the sandblasting pot engine (12).
The water that enters the water jet pump (2) which is driven by the electric engine (1), from the water inlet (3), is then discharged from the water outlet (4) of the water jet pump at the desired litre amount, bar and pressure, preferably between 100-150bars, is transferred using the pressurized water hose (5) to the wet sandblasting nozzle (6). The water that located inside the wet sandblasting nozzle (6) body that is discharged from the water outlet nozzle (7) thereof, having a diameter range preferably between 0,5-0,9mm forms a vacuum inside the wet sandblasting nozzle (6) and vacuums the abrasive material in the sand pool (10) from the sand inlet (8), using a sand hose (9). The abrasive material that has been vacuumed, is mixed with water inside the wet sandblasting nozzle (6) body and is rapidly projected to the sandblasting pot (11),
the sandblasting pot (11) rotates preferably 10 times per minute by means of a 12v electric engine (12) and enables to clean by sandblasting every part of the prosthesis metals by toppling over the dental prosthesis metals freely inside the pot.
The sandblasting pot (11) is a container which has an opening facing the wet sandblasting nozzle (6) and where the other sides are closed. The sandblasting pot (11) has been positioned at an angle of 0-90° towards the direction of spraying of the wet sandblasting nozzle (6), and preferably positioned at an angle of 45°. Levels with various lengths that may project towards the center of the sandblasting pot (11) may be provided (such as those provided inside a washing machine).
As the sandblasting pot (11) has these levels, and it is positioned at an angle and as the sandblasting pot (11) is rotated by means of a sandblasting pot engine (12), it is enabled that all parts that are to be sandblasted inside the sandblasting pot (11) are sandblasted homogenously and that the parts are exposed completely to the water and sand, sprayed by the wet sandblasting nozzle (6). Various numbers of holes can be provided around the sandblasting pot (11). The water and sand that is discharged from these holes, is collected inside the collection tank which is located around the sandblasting pot (11) and said sand and water is separated through the filters located inside the collection tank, and the water can be re-directed to the water inlet (3) and the sand is transferred to the sand pool (10). Therefore it is enabled for the materials that have been used to be recycled.
Projection towards the inside at the edges of the sandblasting pot (11) facing the wet sandblasting nozzle (6) has been provided. These projections shall prevent the discharging of the parts to be sandblasted inside the sandblasting pot (11) during operation.
Again due to a similar aim, the discharging of the parts to be sandblasted during operation is prevented by closing the section of the sandblasting pot (11) facing the wet sandblasting nozzle (6) with a cage like assembly. Manual retouching of the parts that need retouching can be carried out by connecting a pen type sandblasting nozzle to the present water jet pump (2) of the sandblasting machine subject to the invention.
The sandblasting machine subject to the invention performs sandblasting only by water and it does not cause dust, it can operate with zero dust discharge in a closed environment and as it has high operation pressure, the wet sandblasting nozzle (6) can also vacuum and use abrasive materials that are heavier and cheaper; the sandblasting procedure which takes 15-20 minutes to complete in the prior art, is completed in 2 minutes, water consumption is 2.5 litres per minute, the prosthesis can be adjusted due to the rigidity of the titanium alloy metal and they are not damaged from high pressure sandblasting.
Claims
The invention is a dental wet sandblasting machine, comprising;
A water jet pump (2), which receives water via the water outlet (4) from the water inlet (3) by means of the motion it receives from the electric engine (1) and transfers the pressurized water to the wet sandblasting nozzle (6), and
A wet sandblasting nozzle (6) which vacuums said abrasive material located inside the sand pool (10) from the sand inlet (8) located thereon using the low pressure that is formed in the cavity of the body while it discharges the pressurized water it has received from the water jet pump (2) out of the water discharge nozzle (7) and mixes said abrasive material with water and projects it to the sandblasting pot (11);
Characterized in that it comprises a sandblasting pot (11), which houses the parts to be sandblasted and enables the sandblasting of the parts while rotating by means of the motion it receives from the sandblasting pot engine (12). A dental wet sandblasting machine according to claim 1, characterized in that the sandblasting pot (11) is shaped like a container where the section facing the wet sandblasting nozzle (6) is open and the other sides are closed, and where said sandblasting pot is positioned to form a horizontal angle smaller that 90° towards the spraying direction of the wet sandblasting nozzle (6). A dental wet sandblasting machine according to claim 1, characterized in that it comprises levels in various lengths such that they project towards the inner surface of the center of the sandblasting pot (11). A dental wet sandblasting machine according to claim 1, characterized in that it comprises various numbers of holes used for discharging the water
and sand around the sandblasting pot (11) and for re-usage of said sand and water.
5. ) A dental wet sandblasting machine according to claim 1, characterized in that it comprises projections, projecting inwards at the edges of the sandblasting pot (11) facing towards the wet sandblasting nozzle (6) in order to prevent the discharging of the parts to be sandblasted inside the sandblasting pot (11) during operation.
6. ) A dental wet sandblasting machine according to claim 1, characterized in that the section of the sandblasting pot (11) facing the wet sandblasting nozzle (6) is closed with a cage type assembly in order to prevent the discharge of the parts that are to be sandblasted inside the sandblasting pot (11) during operation.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TR2016/04929 | 2015-09-04 | ||
| TR201511216 | 2015-09-04 | ||
| TR2015/11216 | 2015-09-04 | ||
| TR2016/04929A TR201604929A2 (en) | 2016-04-16 | 2016-04-16 | DENTAL WATER SANDBLASTING MACHINE |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2017039557A1 true WO2017039557A1 (en) | 2017-03-09 |
Family
ID=57137223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/TR2016/050307 WO2017039557A1 (en) | 2015-09-04 | 2016-08-26 | Dental wet sandblasting machine |
Country Status (1)
| Country | Link |
|---|---|
| WO (1) | WO2017039557A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107443260A (en) * | 2017-08-10 | 2017-12-08 | 遵义市欣茂汇机电有限公司 | A kind of sand blasting room for reel |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1883918A (en) * | 1930-03-05 | 1932-10-25 | Pangborn Corp | Sand blast barrel |
| US2460926A (en) * | 1946-07-02 | 1949-02-08 | Charles A Dreisbach | Scouring apparatus |
| GB851361A (en) * | 1957-03-14 | 1960-10-12 | Norman Ives Ashworth | Improvements in polishing or grinding by a blasting process |
| US20040201183A1 (en) * | 2003-04-08 | 2004-10-14 | Burdette Charles H. | Surgical drill chuck |
| KR100642245B1 (en) * | 2006-03-09 | 2006-11-13 | (주)금호씨엔씨 | The eliminating apparatus paint on face by mixing injection high pressure water and sand |
| WO2012020517A1 (en) * | 2010-08-09 | 2012-02-16 | 新東工業株式会社 | Blasting apparatus |
-
2016
- 2016-08-26 WO PCT/TR2016/050307 patent/WO2017039557A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1883918A (en) * | 1930-03-05 | 1932-10-25 | Pangborn Corp | Sand blast barrel |
| US2460926A (en) * | 1946-07-02 | 1949-02-08 | Charles A Dreisbach | Scouring apparatus |
| GB851361A (en) * | 1957-03-14 | 1960-10-12 | Norman Ives Ashworth | Improvements in polishing or grinding by a blasting process |
| US20040201183A1 (en) * | 2003-04-08 | 2004-10-14 | Burdette Charles H. | Surgical drill chuck |
| KR100642245B1 (en) * | 2006-03-09 | 2006-11-13 | (주)금호씨엔씨 | The eliminating apparatus paint on face by mixing injection high pressure water and sand |
| WO2012020517A1 (en) * | 2010-08-09 | 2012-02-16 | 新東工業株式会社 | Blasting apparatus |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107443260A (en) * | 2017-08-10 | 2017-12-08 | 遵义市欣茂汇机电有限公司 | A kind of sand blasting room for reel |
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