US3730040A - Energy absorber for high pressure fluid jets - Google Patents

Energy absorber for high pressure fluid jets Download PDF

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US3730040A
US3730040A US3730040DA US3730040A US 3730040 A US3730040 A US 3730040A US 3730040D A US3730040D A US 3730040DA US 3730040 A US3730040 A US 3730040A
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jet
fluid jet
housing
energy
absorb
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R Chadwick
J Robertson
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Bendix Corp
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Bendix Corp
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    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F3/00—Severing by means other than cutting; Apparatus therefor
    • B26F3/004—Severing by means other than cutting; Apparatus therefor by means of a fluid jet
    • B26F3/008—Energy dissipating devices therefor, e.g. catchers; Supporting beds therefor
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/364—By fluid blast and/or suction

Definitions

  • ABSTRACT A device for absorbing the energy of a fluid cutting jet after it has passed through the workpiece in order to reduce the sound level as well as the spray and vapor nonnally accompanying the fluid jet cutting process.
  • the device includes a baffle arrangement disposed immediately adjacent the workpiece and enclosed in a housing to receive and contain the jet after it has passed through the workpiece so as to prevent the sonic energy and spray from emanating into the surrounding environment.
  • the jet itself is directed through the baffle arrangement to impact a liquid bath, backed up with a hardened steel block, thereby dissipating its momentum.
  • Fluid jet cutting systems have been proposed in the past and have been demonstrated to be highly effective for certain applications.
  • a fluid such as water is discharged through a nozzle at extremely high pressures ranging from 10,000 to 100,000 psi to impact a workpiece and shear it by the high kinetic energy of the jet.
  • the process is normally carried out in the open, and the extremely high jet velocities (may be on the order of 3,000 ft/sec) can cause noise levels to reach 140 decibels in the immediate vicinity of the jet. This level intensity must be regarded as highly undesirableand contrary to the interests of operator comfort and efficiency.
  • the high energy of the jet must be somehow absorbed to minimize the danger of accidental impacting of the jet with persons or equipment, and the fluid itself collected for disposal.
  • the resilient cushion is likely to be a high maintenance item as it is very easily degraded by the jet action, and none of the prior. art systems provides for the former problem, i.e., the noise created by the jet.
  • FIG. 1 is a sectional view of an energy absorber according to the present invention.
  • FIG. 2 is a sectional view of an alternate embodiment of the energy absorber according to the present invention.
  • a nozzle tip 10 is depicted disposed to direct a jet 12 of a liquid such as water against a workpiece 14 which is moved past the jet 12 to produce a cutting action thereon. After passing through the workpiece 14, the jet is directed via opening 16 in the workpiece support 18 to the energy absorber 20 disposed immediately proximate to the exit point of the jet 12.
  • the energy absorber 20 includes a housing 22 supported on a base 24 and closed at one end by means of a top plate 26 retained by an end cap 28.
  • the top plate 26 has an opening 30 formed therein to allow the jet 12 to pass into the housing cavity 32 while reducing the volume of material removed from the workpiece to be carried thereinto.
  • a baffling arrangement consisting of a volume of a resilient material 34 such as foam rubber having a passage 36 formed therein by the initial action of the fluid jet and retained in a holder 38 also having an opening 40 formed therein, with opening 40 being aligned with the jet 12 to allow it to pass therethrough.
  • the volume of resilient material 34 functions to prevent the emanation of spray and sonic energy from the interior of the absorber into the surrounding environs so as to drastically reduce the noise level accompanying the operation of the device.
  • the jet 12 then passes into an open space 42, then into a space 44 containing a liquid such as water where a portion of its energy is absorbed, and finally impacts a hardened steel impact block disposed at the bottom of space 44 which absorbs the residual energy of the jet 12.
  • the overflow created by the liquid which forms the jet 12 is disposed of via vent and overflow outlet 48 which leads to a drain.
  • the passage of the jet through the volume of water in space 44 functions to further reduce the noise level as the Mach number of the jet is greatly reduced in water, and its kinetic energy is also considerably reduced by friction and fluid entrainment before impacting the hardened steel impact block 44 to lessen the erosive effect the jet 12 may have thereon.
  • the impact block 44 may be of other suitably hard material capable of resisting the erosive action of the jet such as tungsten carbide.
  • the impact block 44 may be replaced as may also the volume of resilient material if erosive wear has been substantial.
  • FIG. 2 A second embodiment is depicted in FIG. 2, and is substantially the same as that depicted in FIG. 1 with the exception of the baffling arrangement which in this embodiment consists of a series of frusto-conical baffle plates 50 with respect to back spray of the jet, having openings 52 disposed in the holder 38 and positioned by means of spacers 54. It has been found that the reversely sloping orientation of the baffle plates 50' prevents sound, spray, and vapor from passing back out the entrance opening 30 as these tend to be trapped thereby and confined in the housing 22, while eliminating any need to service the device, as no significant erosion of the frusto conical baffle plates 50 normally occurs during reasonable maintenance intervals.
  • the baffling arrangement which in this embodiment consists of a series of frusto-conical baffle plates 50 with respect to back spray of the jet, having openings 52 disposed in the holder 38 and positioned by means of spacers 54. It has been found that the reversely sloping orientation of the baffle
  • An energy absorber for receiving a high velocity jet of liquid comprising:
  • baffle means within said housing to absorb said high velocity fluid jet energy including baffle means surrounding said fluid jet after it enters said housing and preventing sound and spray from passing back out of said housing, comprising a volume of resilient material having a passage therethrough to receive said jet whereby sound and spray from said jet is substantially prevented from passing into the surrounding environment.
  • energy absorbing means including a housing disposed to receive and substantially contain said fluid jet immediately after passing through said workpiece and also including means in said housing to absorb the energy of said fluid jet including baffle means surrounding said fluid jet after it enters said housing and preventing sound and spray from passing back out of said housing, comprising a volume of resilient material having a passage therethrou gh to receive said jet.
  • said means to absorb said fluid jet energy includes a liquid bath disposed to be impacted by said fluid jet.
  • said means to absorb said fluid jet energy further includes a block in said liquid bath disposed to be impacted by said fluid jet after passing through said liquid bath.
  • An energy absorber for receiving a high velocity jet of liquid comprising:
  • a housing disposed to receive said high velocity jet and substantially enclose it
  • baffle means within said housing to absorb said high velocity jet energy including baffle means surrounding said fluid jet after it enters said housing and preventing sound and spray from passing back out of said housing, comprising a plurality of baffle plates each having an opening aligned with each other to receive said jet.
  • said means to absorb said fluid jet energy further includes a block in said liquid bath disposed to be impacted by said fluid jet after passing through said liquid bath.
  • energy absorbing means including a housing disposed to receive and substantially contain said fluid jet immediately after passing through said workpiece and also including means in said housing to absorb the energy of said fluid jet including baffle means surrounding said fluid jet after it enters said housing and preventing sound and spray from passing back out of said housing, comprising a plurality of baffle plates each having an opening aligned with each other to receive said jet.
  • said means to absorb said fluid jet energy further includes a block in said liquid bath disposed to be impacted by said fluid jet after passing through said liquid bath.

Abstract

A device is disclosed for absorbing the energy of a fluid cutting jet after it has passed through the workpiece in order to reduce the sound level as well as the spray and vapor normally accompanying the fluid jet cutting process. The device includes a baffle arrangement disposed immediately adjacent the workpiece and enclosed in a housing to receive and contain the jet after it has passed through the workpiece so as to prevent the sonic energy and spray from emanating into the surrounding environment. The jet itself is directed through the baffle arrangement to impact a liquid bath, backed up with a hardened steel block, thereby dissipating its momentum.

Description

United States Patent 1 1 1111 ma am Chadwick et al. 1 May 1, R973 ENERGY ABSORBER FOR HIGH 3,553,895 1/1971 Power ..51/321 x PRESSURE FLUID JETS 3,212,378 10/1965 Rice 83/177 x Filed:
Inventors: Ray F. Chadwick, Troy; John H.
Robertson, Detroit, both of Mich.
Assignee: The Bendix Corporation,
Southfield, Mich.
Aug. 17, 1971 Appl. No.: 172,530
References Cited UNITED STATES PATENTS 2/1946 5/l96l 7/l962 12/1958 Hutt ..83/1 77 X Schwacha 1 ..83/177 X Gilman et a].... ..83/l77 Kalwaitas ....83/53 X Primary Examiner l. M. Meister Attorney-John R. Benefiel et al.
[57] ABSTRACT A device is disclosed for absorbing the energy of a fluid cutting jet after it has passed through the workpiece in order to reduce the sound level as well as the spray and vapor nonnally accompanying the fluid jet cutting process. The device includes a baffle arrangement disposed immediately adjacent the workpiece and enclosed in a housing to receive and contain the jet after it has passed through the workpiece so as to prevent the sonic energy and spray from emanating into the surrounding environment. The jet itself is directed through the baffle arrangement to impact a liquid bath, backed up with a hardened steel block, thereby dissipating its momentum.
14 Claims, 2 Drawing Figures Patented May 1, 1973 3,71%,040
liiiil; 9 rl I F "l NW,
AHHH Mini;
FIG. 8
INVENTORS RAY F CHADW/CK ay/v H. ROEERTSOA/ ENERGY ABSORBER FOR HIGH PRESSURE FLUID JETS BACKGROUND OF THE INVENTION 1. Field of the Invention This invention concerns devices for the absorption of the energy of a-high pressure jet discharging into the atmosphere, and more particularly such jets used in fluid jet cutting processes.
2. Description of the Prior Art Fluid jet cutting systems have been proposed in the past and have been demonstrated to be highly effective for certain applications. In these systems, a fluid such as water is discharged through a nozzle at extremely high pressures ranging from 10,000 to 100,000 psi to impact a workpiece and shear it by the high kinetic energy of the jet. In such systems, the process is normally carried out in the open, and the extremely high jet velocities (may be on the order of 3,000 ft/sec) can cause noise levels to reach 140 decibels in the immediate vicinity of the jet. This level intensity must be regarded as highly undesirableand contrary to the interests of operator comfort and efficiency.
In addition, the high energy of the jet must be somehow absorbed to minimize the danger of accidental impacting of the jet with persons or equipment, and the fluid itself collected for disposal.
Prior art systems are disclosed in US. Pat. Nos. 3,212,378 and 2,985,050 have attempted to meet these latter needs by the use of a disposal tank containing a liquid bath, which may be backed up by a resilient cushion to absorb the jet energy.
The resilient cushion, however, is likely to be a high maintenance item as it is very easily degraded by the jet action, and none of the prior. art systems provides for the former problem, i.e., the noise created by the jet.
Therefore, it is an object of the present invention to provide an energy absorber for such a fluid jet which substantially reduces the noise level associated therewith and does not involve excessive maintenance of its component parts.
SUMMARY OF THE INVENTION This and other objects which will become apparent upon a reading of the following specification and claims are accomplished by providing a baffle arrangement contained in a housing enclosing the jet immediately upon its exit from the workpiece area and impacting the jet upon a liquid bath backed up by a hardened steel block.
DESCRIPTION OF THE FIGURES FIG. 1 is a sectional view of an energy absorber according to the present invention.
FIG. 2 is a sectional view of an alternate embodiment of the energy absorber according to the present invention.
DETAILED DESCRIPTION In the following detailed description, certain specific terminology will be utilized for the sake of clarity and specific embodiments will be described in order to provide a complete understanding of the invention, but it is to be understood that the invention is not so limited and may be practiced in a variety of forms and embodiments.
Referring to the drawing and particularly FIG. 1, a nozzle tip 10 is depicted disposed to direct a jet 12 of a liquid such as water against a workpiece 14 which is moved past the jet 12 to produce a cutting action thereon. After passing through the workpiece 14, the jet is directed via opening 16 in the workpiece support 18 to the energy absorber 20 disposed immediately proximate to the exit point of the jet 12.
The energy absorber 20 includes a housing 22 supported on a base 24 and closed at one end by means of a top plate 26 retained by an end cap 28. The top plate 26 has an opening 30 formed therein to allow the jet 12 to pass into the housing cavity 32 while reducing the volume of material removed from the workpiece to be carried thereinto.
Disposed within the uppermost region of the housing cavity 32 is a baffling arrangement consisting of a volume of a resilient material 34 such as foam rubber having a passage 36 formed therein by the initial action of the fluid jet and retained in a holder 38 also having an opening 40 formed therein, with opening 40 being aligned with the jet 12 to allow it to pass therethrough.
The volume of resilient material 34 functions to prevent the emanation of spray and sonic energy from the interior of the absorber into the surrounding environs so as to drastically reduce the noise level accompanying the operation of the device.
The jet 12 then passes into an open space 42, then into a space 44 containing a liquid such as water where a portion of its energy is absorbed, and finally impacts a hardened steel impact block disposed at the bottom of space 44 which absorbs the residual energy of the jet 12.
The overflow created by the liquid which forms the jet 12 is disposed of via vent and overflow outlet 48 which leads to a drain.
The passage of the jet through the volume of water in space 44 functions to further reduce the noise level as the Mach number of the jet is greatly reduced in water, and its kinetic energy is also considerably reduced by friction and fluid entrainment before impacting the hardened steel impact block 44 to lessen the erosive effect the jet 12 may have thereon. I
The impact block 44 may be of other suitably hard material capable of resisting the erosive action of the jet such as tungsten carbide.
The impact block 44 may be replaced as may also the volume of resilient material if erosive wear has been substantial.
As the jet 12 is totally contained after entering the energy absorber 20, it can be appreciated that sound, spray, and vapor are greatly reduced by its use.
A second embodiment is depicted in FIG. 2, and is substantially the same as that depicted in FIG. 1 with the exception of the baffling arrangement which in this embodiment consists of a series of frusto-conical baffle plates 50 with respect to back spray of the jet, having openings 52 disposed in the holder 38 and positioned by means of spacers 54. It has been found that the reversely sloping orientation of the baffle plates 50' prevents sound, spray, and vapor from passing back out the entrance opening 30 as these tend to be trapped thereby and confined in the housing 22, while eliminating any need to service the device, as no significant erosion of the frusto conical baffle plates 50 normally occurs during reasonable maintenance intervals.
From the above description, it can be appreciated that the usefulness of the jet cutting systems can be substantially enhanced by the use of the energy absorber according to the present invention, and that this device is simple and relatively inexpensive to fabricate.
Many variations are of course possible within the scope of this invention.
What is claimed is:
1. An energy absorber for receiving a high velocity jet of liquid comprising:
-a housing disposed to receive said high velocity jet and substantially enclose it;
means within said housing to absorb said high velocity fluid jet energy, including baffle means surrounding said fluid jet after it enters said housing and preventing sound and spray from passing back out of said housing, comprising a volume of resilient material having a passage therethrough to receive said jet whereby sound and spray from said jet is substantially prevented from passing into the surrounding environment.
2. The absorber of claim 1 wherein said means to absorb said fluid jet energy includes a liquid bath disposed to be impacted by said fluid jet.
3. The absorber of claim 2 wherein said means to absorb said fluid jet energy further includes a block in said liquid bath disposed to be impacted by said fluid jet after passing through said liquid bath.
4. In a system for fluid jet cutting wherein a high velocity jet is directed at a workpiece to sever the same, the improvement comprising:
energy absorbing means including a housing disposed to receive and substantially contain said fluid jet immediately after passing through said workpiece and also including means in said housing to absorb the energy of said fluid jet including baffle means surrounding said fluid jet after it enters said housing and preventing sound and spray from passing back out of said housing, comprising a volume of resilient material having a passage therethrou gh to receive said jet.
5. The system of claim 4 wherein said means to absorb said fluid jet energy includes a liquid bath disposed to be impacted by said fluid jet.
6. The system of claim 5 wherein said means to absorb said fluid jet energy further includes a block in said liquid bath disposed to be impacted by said fluid jet after passing through said liquid bath.
7. An energy absorber for receiving a high velocity jet of liquid comprising:
a housing disposed to receive said high velocity jet and substantially enclose it;
means within said housing to absorb said high velocity jet energy, including baffle means surrounding said fluid jet after it enters said housing and preventing sound and spray from passing back out of said housing, comprising a plurality of baffle plates each having an opening aligned with each other to receive said jet.
8. The absorber of claim 7 wherein said means to absorb said fluid jet energy includes a liquid bath disposed to be impacted by said fluid jet. 1
9. The absorber of claim 8 wherein said means to absorb said fluid jet energy further includes a block in said liquid bath disposed to be impacted by said fluid jet after passing through said liquid bath.
10. In a sys em for fluid et cutting wherein a high velocity jet is directed at a workpiece to sever the same, the improvement comprising:
energy absorbing means including a housing disposed to receive and substantially contain said fluid jet immediately after passing through said workpiece and also including means in said housing to absorb the energy of said fluid jet including baffle means surrounding said fluid jet after it enters said housing and preventing sound and spray from passing back out of said housing, comprising a plurality of baffle plates each having an opening aligned with each other to receive said jet.
1 1. The system of claim 10 wherein said means to absorb said fluid jet energy includes a liquid bath disposed to be impacted by said fluid jet.
12. The system of claim 1 1 wherein said means to absorb said fluid jet energy further includes a block in said liquid bath disposed to be impacted by said fluid jet after passing through said liquid bath. a
1 3. The system of claim 10 wherein said series of baffle plates slope reversely with respect to the direction of back spray from said jet.
14. The system of claim 13 wherein said reversely sloping series of baffle plates are frusto-conical in shape.

Claims (14)

1. An energy absorber for receiving a high velocity jet of liquid comprising: a housing disposed to receive said high velocity jet and substantially enclose it; means within said housing to absorb said high velocity fluid jet energy, including baffle means surrounding said fluid jet after it enters said housing and preventing sound and spray from passing back out of said housing, comprising a volume of resilient material having a passage therethrough to receive said jet whereby sound and spray from said jet is substantially prevented from passing into the surrounding environment.
2. The absorber of claim 1 wherein said means to absorb said fluid jet energy includes a liquid bath disposed to be impacted by said fluid jet.
3. The absorber of claim 2 wherein said means to absorb said fluid jet energy further includes a block in said liquid bath disposed to be impacted by said fluid jet after passing through said liquid bath.
4. In a system for fluid jet cutting wherein a high velocity jet is directed at a workpiece to sever the same, the improvement comprising: energy absorbing means including a housing disposed to receive and substantially contain said fluid jet immediately after passing through said workpiece and also including means in said housing to absorb the energy of said fluid jet including baffle means surrounding said fluid jet after it enters said housing and preventing sound and spray from passing back out of said housing, comprising a volume of resilient material having a passage therethrough to receive said jet.
5. The system of claim 4 wherein said means to absorb said fluid jet energy includes a liquid bath disposed to be impacted by said fluid jet.
6. The system of claim 5 wherein said means to absorb said fluid jet energy further includes a block in said liquid bath disposed to be impacted by said fluid jet after passing through said liquid bath.
7. An energy absorber for receiving a high velocity jet of liquid comprising: a housing disposed to receive said high velocity jet and substantially enclose it; means within said housing to absorb said high velocity jet energy, including baffle means surrounding said fluid jet after it enters said housing and preventing sound and spray from passing back out of said housing, comprising a plurality of baffle plates each having an opening aligned with each other to receive said jet.
8. The absorber of claim 7 wherein said means to absorb said fluid jet energy includes a liquid bath disposed to be impacted by said fluid jet.
9. The absorber of claim 8 wherein said means to absorb said fluid jet energy further includes a block in said liquid bath disposed to be impacted by said fluid jet after passing through said liquid bath.
10. In a system for fluid jet cutting wherein a high velocity jet is directed at a workpiece to sever the same, the improvement comprising: energy absorbing means including a housing disposed to receive and substantially contain said fluid jet immediately after passing through said workpiece and also including means in said housing to absorb the energy of said fluid jet including baffle means surrounding said fluid jet after it enters said housing and preventing sound and spray from passing back out of said housing, comprising a plurality of baffle plates each having an opening aligned with each other to receive said jet.
11. The system of claim 10 wherein said means to absorb said fluid jet energy includes a liquid bath disposed to be impacted by said fluid jet.
12. The system of claim 11 wherein said means to absorb said fluid jet energy further includes a block in said liquid bath disposed to be impacted by said fluid jet after passing through said liquid bath.
13. The system of claim 10 wherein said series of baffle plates slope reversely with respect to the direction of back spray from said jet.
14. The system of claim 13 wherein said reversely sloping series of baffle plates are frusto-conical in shape.
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Cited By (30)

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US3978748A (en) * 1974-11-25 1976-09-07 Camsco, Inc. Fluid jet cutting system
US4137804A (en) * 1974-07-12 1979-02-06 Gerber Garment Technology, Inc. Fluid cutting jet receiver
FR2405117A1 (en) * 1977-10-07 1979-05-04 Gerber Garment Technology Inc CUTTING DEVICE BY MEANS OF A JET OF FLUID
FR2440817A1 (en) * 1978-11-13 1980-06-06 Gerber Garment Technology Inc SELF-REPLACING SUPPORT BENCH FOR FLUID JET CUTTING APPARATUS
US4463639A (en) * 1982-06-22 1984-08-07 Gerber Garment Technology, Inc. Fluid jet receiver positioner
US4532949A (en) * 1982-09-29 1985-08-06 The Boeing Company Energy absorber for high energy fluid jet
US4620466A (en) * 1983-10-17 1986-11-04 Societe Nationale Industrielle Et Aerospatiale Cutting machine
AU569673B2 (en) * 1986-05-07 1988-02-11 Flow Systems Inc. Energy dissipating receptacle
US4790224A (en) * 1987-08-20 1988-12-13 Belcan Corporation Travelling gap conveyor cutting method and apparatus
US4864780A (en) * 1987-11-30 1989-09-12 Flow Systems, Inc. Energy-dissipating receptacle for high velocity fluid jets
US4964244A (en) * 1985-07-10 1990-10-23 Flow Systems, Inc. Energy dissipating receptacle for high-velocity fluid jet
US5127199A (en) * 1991-01-08 1992-07-07 Progressive Blasting Systems, Inc. Abrasive water jet catch tank media transporting means
FR2684742A1 (en) * 1991-12-06 1993-06-11 Gaz De France Protection device for high or very high pressure fluid jets - comprises several superimposed layers, one made up of granular material, also safety part signalling perforation of lower layer.
US5349788A (en) * 1992-10-17 1994-09-27 Saechsishe Werkzeug Und Sondermaschinen Gmbh Apparatus for catching residual water jet in water jet cutting apparatus
US5505653A (en) * 1992-10-17 1996-04-09 Saechsische Werkzeug Und Sondermaschinen Gmbh Abrasive/water jet cutting apparatus
US5831224A (en) * 1995-04-07 1998-11-03 Design Systems, Inc. Noise reduction system for fluid cutting jets
US5980372A (en) * 1997-11-25 1999-11-09 The Boeing Company Compact catcher for abrasive waterjets
US20060180579A1 (en) * 2005-02-11 2006-08-17 Towa Intercon Technology, Inc. Multidirectional cutting chuck
WO2008043335A1 (en) * 2006-10-13 2008-04-17 Reinhard Diem Catching device and method for catching the cutting beam of a water jet machining device
US20120297943A1 (en) * 2010-02-10 2012-11-29 Snecma Cutting of preforms prior to rtm injection by means of a water jet and cryonics
EP2676738A1 (en) 2012-06-19 2013-12-25 General Electric Company Module for a device generating at least one water curtain and corresponding device
US8894468B2 (en) 2012-05-16 2014-11-25 Flow International Corporation Fluid jet receptacle with rotatable inlet feed component and related fluid jet cutting system and method
US20150118942A1 (en) * 2013-10-28 2015-04-30 Flow International Corporation Fluid jet cutting systems, components and methods that facilitate improved work environments
US20150298342A1 (en) * 2014-02-10 2015-10-22 Par Systems, Inc. Waterjet Stream Catcher
US9238265B2 (en) 2012-09-27 2016-01-19 General Electric Company Backstrike protection during machining of cooling features
US9242294B2 (en) 2012-09-27 2016-01-26 General Electric Company Methods of forming cooling channels using backstrike protection
US9278462B2 (en) 2013-11-20 2016-03-08 General Electric Company Backstrike protection during machining of cooling features
US9358668B2 (en) 2012-07-19 2016-06-07 Ascent Aerospace, Llc Fluid jet receiving receptacles and related fluid jet cutting systems
US10857691B2 (en) 2014-02-11 2020-12-08 Par Systems, Llc Fluid stream catcher mounting system
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Cited By (36)

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US4137804A (en) * 1974-07-12 1979-02-06 Gerber Garment Technology, Inc. Fluid cutting jet receiver
US3978748A (en) * 1974-11-25 1976-09-07 Camsco, Inc. Fluid jet cutting system
FR2405117A1 (en) * 1977-10-07 1979-05-04 Gerber Garment Technology Inc CUTTING DEVICE BY MEANS OF A JET OF FLUID
FR2440817A1 (en) * 1978-11-13 1980-06-06 Gerber Garment Technology Inc SELF-REPLACING SUPPORT BENCH FOR FLUID JET CUTTING APPARATUS
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