EP2664573A2 - Device for winding up and testing a hose for pressure - Google Patents
Device for winding up and testing a hose for pressure Download PDFInfo
- Publication number
- EP2664573A2 EP2664573A2 EP13002601.6A EP13002601A EP2664573A2 EP 2664573 A2 EP2664573 A2 EP 2664573A2 EP 13002601 A EP13002601 A EP 13002601A EP 2664573 A2 EP2664573 A2 EP 2664573A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- hose
- winding body
- winding
- guide means
- testing
- 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.)
- Withdrawn
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/50—Testing or indicating devices for determining the state of readiness of the equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
- B65H75/44—Constructional details
- B65H75/4402—Guiding arrangements to control paying-out and re-storing of the material
- B65H75/4405—Traversing devices; means for orderly arranging the material on the drum
- B65H75/4413—Traversing devices; means for orderly arranging the material on the drum with a traversely moving drum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
- B65H75/44—Constructional details
- B65H75/4402—Guiding arrangements to control paying-out and re-storing of the material
- B65H75/4405—Traversing devices; means for orderly arranging the material on the drum
- B65H75/4415—Guiding ribs on the drum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
- B65H75/44—Constructional details
- B65H75/4478—Constructional details relating to handling of fluids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
- B65H75/44—Constructional details
- B65H75/4481—Arrangements or adaptations for driving the reel or the material
- B65H75/4486—Electric motors
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C33/00—Hose accessories
- A62C33/02—Apparatus for cleaning or drying hoses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/33—Hollow or hose-like material
Definitions
- the present invention is related to a device for winding up a hose, especially for the benefit of testing said hose for resistance against pressure.
- a hose under pressure is dangerous because of possible spillage or breakage. In such a situation all stored energy will be released at once. Therefore the pressurized hose ought to be tested in a safe, adequately strong and closed room.
- Hoses are being offered in highly various diameters and lengths, which makes economical investments for parties serving the market difficult. In practice it is difficult to fill the hoses completely with test fluid and remove it completely after the test. This process is time-consuming.
- the present invention aims to offer a solution to these problems and to provide for a device that enhances the reliability of the test procedure, increases the safety and considerably shortens the length of time for conducting the total test procedure.
- a device for winding up a hose in particular for the benefit of testing said hose for resistance against pressure, which device comprises a winding body that can rotate around a substantially vertical axis, and is arranged for winding up said hose spirally.
- the winding body is preferably cylindrical, and is preferably provided with hose guide means, for example a spiral-shaped partition wall, that is arranged to force the hose to wind up on the winding body spirally.
- the winding body can for example be powered by an electrical driving device, that preferably is arranged to make rotate the winding body and simultaneously move it in the axial direction.
- an electrical driving device that preferably is arranged to make rotate the winding body and simultaneously move it in the axial direction.
- the driving device is preferably arranged in such a manner that for every rotation of the winding body its axial movement substantially corresponds with either the hose diameter or - in case (for example spiral-shaped) hose guide means are used - the distance between the hose guide means in the axial direction of the winding body, or in other words, with the pitch of the hose guide means.
- the driving device may for example comprise a screw-jack of which the pitch corresponds with either the hose diameter or - in case hose guide means are used - with the pitch of the hose guide means.
- the proposed new device comprises a winding body, for example a cylindrical one, that can rotate around a substantially vertical axis, on which the hose is wound, whereby the volume of the hose extends upward.
- the aim of the device is the simple and complete removal of air from the hose, after this the simple emptying of the hose by draining the fluid in it by gravity and the presentation of a compact solution.
- Another aim is the creation of a safe working environment and in addition the possibility to work in an ergonomical way.
- the hose can only be filled with fluid when it has been wound on the winding body, so that during the filling process the air can escape in upward direction and no air in the hose remains.
- pressurizing the test fluid can be removed again by simply emptying the hose (due to the weight of the fluid).
- the device will also facilitate the mounting of large hose flanges by means of quick-connect couplers (fast connector units).
- the figures 1-3 show a device 1 for winding up a hose 2, in particular for the benefit of testing said hose 2 - by means of fluid pressure (for example water pressure) - for resistance against pressure.
- the device 1 comprises a winding body 4 that can rotate around a substantially vertical axis 3, that is arranged for winding up said hose 2 spirally.
- the winding body 4 is cylindrical.
- the winding body 4 can for example be formed by a more or less open frame that can rotate, around which the hose 2 can be wound.
- the shown winding body 4 is provided with hose guide means 5 that are intended to force the hose to wind up on the winding body 4 spirally.
- the winding body 4 is powered by a driving device, in the shown embodiment formed by an electric motor 6 that via a pinion 7 drives a gear ring 8, that has been fit around the cylindrical winding body 4 and by that can make rotate the winding body around its axis 3.
- a driving device in the shown embodiment formed by an electric motor 6 that via a pinion 7 drives a gear ring 8, that has been fit around the cylindrical winding body 4 and by that can make rotate the winding body around its axis 3.
- the spiral-shaped guide walls 5 have bearings in the shape of a number of rolls 10 that are connected to the frame 9. Due to this configuration the winding body 4 is simultaneously with the rotation - powered by the motor 6 - moved up or down.
- the electric motor 6, the pinion 7 and the gear ring 7 move up and down with the (rotating) winding body 4 in a manner that is not indicated in the figure in any more detail.
- the driving device is arranged to make rotate the winding body and simultaneously move it in the axial direction.
- the schematically depicted mechanism is capable of serving as a driving device that is arranged in such a manner that for every rotation of the winding body 4 the axial movement (up or down, dependent on the direction of rotation) corresponds with the distance d (in the axial direction) between the spiral-shaped hose guide walls 5. If the spiral-shaped hose guide means 5 would not have been provided for then, due to the absence of the spiral-shaped hose guide means 5, the pitch (that is the vertical movement for every rotation of the winding body 4) must correspond with the diameter of the hose 2; only then the windings of the hose 2 will directly - without interposition of the guide means 5 - lie against one another.
- the winding body 4 has a vertical bearing in the shape of a vertical column 11 that is connected to the frame 9 and extends upward inside the winding body 4.
- the driving device comprises a rotating screw-jack/column of which the pitch corresponds with the pitch of the hose guide means 5.
- the hose 2 For testing the hose 2 is placed on a work bench or work plateau 12 (for example provided with supporting rolls) and at its front (right) a shut-off valve 14 provided with a ventilation nipple 13 is fitted.
- the winding body 4 is - by means of the motor 7 - brought in its lowest position, by which only the upper part of the winding body 4 extends above the top surface of the frame 9.
- the front of the hose 2 is placed in the winding body 4 and the motor 7 is activated, whereby the winding body 4 starts to rotate and simultaneously - due to the fixed position of the bearing rolls 10 - moves upward.
- the hose 2 is wound - due to its friction with the surface of the guide means 5 -around the winding body 4 and simultaneously pulled up.
- Figure 1 shows this stage.
- Figure 2 shows the stage in which the hose 2 has been wound almost completely around the winding body 4.
- a hose coupling piece 15 can be fitted on the still protruding end of the hose 2, on which then an inlet hose 16 is connected, via which the hose 2 to be tested is completely filled with a test fluid, for example water.
- a test fluid for example water.
- the air escapes, via valve 13, from the hose 2 to be tested.
- valve 13 is closed and then the pressure on the test fluid is raised to the desired level. After the test has been conducted as it should be the pressure is reduced again and the fluid drained from the hose 2 via (for example) the inlet hose 16, whereby the valve 13 is opened again, so that during the draining of the fluid (due to its own weight) ambient air can flow in the hose 2.
- the device that enhances the reliability of the test procedure, increases the safety and considerably shortens the length of time for conducting the total test procedure. In addition the device takes up relatively little room.
- the device is preferably provided with a (not shown in the figures) protecting coat or housing around the winding body 4, whereby in case of unexpected rupture of the hose 2 during the test the safety of servicing personnel is guaranteed.
- FIG 3 shows an additional illustration of an example of an embodiment of the device 1 in perspective.
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
Description
- The present invention is related to a device for winding up a hose, especially for the benefit of testing said hose for resistance against pressure.
- In companies that manufacture or assemble hoses more and more of these hoses are tested for pressure in order to check their quality and for reasons of product liability. More and more market segments require that hoses are tested.
- The current situation with the testing of big hoses (diameters between 1 and 8" and lengths up to 20 or 30 metres) is that the testing of these hoses is often carried out in open spaces, which can give rise to dangerous situations. Moreover the assembly process is mostly done manually. Its dimensions and weight make this work heavy.
- A hose under pressure is dangerous because of possible spillage or breakage. In such a situation all stored energy will be released at once. Therefore the pressurized hose ought to be tested in a safe, adequately strong and closed room.
- Hoses are being offered in highly various diameters and lengths, which makes economical investments for parties serving the market difficult. In practice it is difficult to fill the hoses completely with test fluid and remove it completely after the test. This process is time-consuming.
- The present invention aims to offer a solution to these problems and to provide for a device that enhances the reliability of the test procedure, increases the safety and considerably shortens the length of time for conducting the total test procedure.
- According to the present invention there is provided for a device for winding up a hose, in particular for the benefit of testing said hose for resistance against pressure, which device comprises a winding body that can rotate around a substantially vertical axis, and is arranged for winding up said hose spirally. The winding body is preferably cylindrical, and is preferably provided with hose guide means, for example a spiral-shaped partition wall, that is arranged to force the hose to wind up on the winding body spirally.
- The winding body can for example be powered by an electrical driving device, that preferably is arranged to make rotate the winding body and simultaneously move it in the axial direction. In order to achieve - as will become clear from the following figures - that the (heavy) hose can be supplied to the device substantially horizontally, namely at the same height as a work bench, for example by means of a roller conveyor, the driving device is preferably arranged in such a manner that for every rotation of the winding body its axial movement substantially corresponds with either the hose diameter or - in case (for example spiral-shaped) hose guide means are used - the distance between the hose guide means in the axial direction of the winding body, or in other words, with the pitch of the hose guide means.
- The driving device may for example comprise a screw-jack of which the pitch corresponds with either the hose diameter or - in case hose guide means are used - with the pitch of the hose guide means.
- In short the proposed new device comprises a winding body, for example a cylindrical one, that can rotate around a substantially vertical axis, on which the hose is wound, whereby the volume of the hose extends upward.
- The aim of the device is the simple and complete removal of air from the hose, after this the simple emptying of the hose by draining the fluid in it by gravity and the presentation of a compact solution. Another aim is the creation of a safe working environment and in addition the possibility to work in an ergonomical way.
- The hose can only be filled with fluid when it has been wound on the winding body, so that during the filling process the air can escape in upward direction and no air in the hose remains. After testing of the hose for pressure ("pressurizing") the test fluid can be removed again by simply emptying the hose (due to the weight of the fluid).
- Because the hose to be tested is wound compactly on the winding body also connecting and disconnecting appendages and high-pressure pipes will be made easier and ergonomically justified. The device will also facilitate the mounting of large hose flanges by means of quick-connect couplers (fast connector units).
- The application of the configuration proposed according to the present invention means that in practice every desirable (current) hose length and diameter can simply be supplied to the test device and removed from it again after the test. This presents the following advantages:
- The handling of the hose is for the most part taken over by the device.
- The hose is supplied to the device at working height, thus facilitating the inspection and mounting of connections in an ergonomical way.
- Due to the vertical storage in the screw-jack the filling and draining of the hose have become very easy: the air will always flow to the (upper) end and can be released via a ventilation valve during the filling of the hose. After testing the test fluid can be discarded via the lower end of the hose by gravity.
- Testing can be carried out on a relatively small floor area.
- The surroundings are protected against the impact of an off chance breakage of a hose or connection.
- Hereafter the present invention will be discussed in more detail from some examples of embodiments, with reference to a few figures.
- Figure 1
- shows a scheme of an example of an embodiment of the device according to the present invention in a first stage;
- Figure 2
- shows the same example of an embodiment in a second stage;
- Figure 3
- shows the exterior of a similar example of an embodiment in perspective.
- The
figures 1-3 show adevice 1 for winding up ahose 2, in particular for the benefit of testing said hose 2 - by means of fluid pressure (for example water pressure) - for resistance against pressure. Thedevice 1 comprises awinding body 4 that can rotate around a substantiallyvertical axis 3, that is arranged for winding up saidhose 2 spirally. In the shown embodiment thewinding body 4 is cylindrical. In alternative embodiments thewinding body 4 can for example be formed by a more or less open frame that can rotate, around which thehose 2 can be wound. The shown windingbody 4 is provided with hose guide means 5 that are intended to force the hose to wind up on the windingbody 4 spirally. - The winding
body 4 is powered by a driving device, in the shown embodiment formed by an electric motor 6 that via apinion 7 drives agear ring 8, that has been fit around thecylindrical winding body 4 and by that can make rotate the winding body around itsaxis 3. In the scheme it has been indicated that the spiral-shaped guide walls 5 have bearings in the shape of a number ofrolls 10 that are connected to theframe 9. Due to this configuration thewinding body 4 is simultaneously with the rotation - powered by the motor 6 - moved up or down. It has to be noted that there has been provided for that the electric motor 6, thepinion 7 and thegear ring 7 move up and down with the (rotating) windingbody 4 in a manner that is not indicated in the figure in any more detail. In other words the driving device is arranged to make rotate the winding body and simultaneously move it in the axial direction. The schematically depicted mechanism is capable of serving as a driving device that is arranged in such a manner that for every rotation of thewinding body 4 the axial movement (up or down, dependent on the direction of rotation) corresponds with the distance d (in the axial direction) between the spiral-shapedhose guide walls 5. If the spiral-shaped hose guide means 5 would not have been provided for then, due to the absence of the spiral-shaped hose guide means 5, the pitch (that is the vertical movement for every rotation of the winding body 4) must correspond with the diameter of thehose 2; only then the windings of thehose 2 will directly - without interposition of the guide means 5 - lie against one another. - The
winding body 4 has a vertical bearing in the shape of avertical column 11 that is connected to theframe 9 and extends upward inside thewinding body 4. - It is also conceivable that the driving device comprises a rotating screw-jack/column of which the pitch corresponds with the pitch of the hose guide means 5.
- For testing the
hose 2 is placed on a work bench or work plateau 12 (for example provided with supporting rolls) and at its front (right) a shut-offvalve 14 provided with aventilation nipple 13 is fitted. Thewinding body 4 is - by means of the motor 7 - brought in its lowest position, by which only the upper part of thewinding body 4 extends above the top surface of theframe 9. Subsequently the front of thehose 2 is placed in thewinding body 4 and themotor 7 is activated, whereby thewinding body 4 starts to rotate and simultaneously - due to the fixed position of the bearing rolls 10 - moves upward. As a result thehose 2 is wound - due to its friction with the surface of the guide means 5 -around thewinding body 4 and simultaneously pulled up.Figure 1 shows this stage. -
Figure 2 shows the stage in which thehose 2 has been wound almost completely around thewinding body 4. In this stage ahose coupling piece 15 can be fitted on the still protruding end of thehose 2, on which then aninlet hose 16 is connected, via which thehose 2 to be tested is completely filled with a test fluid, for example water. On top the air escapes, viavalve 13, from thehose 2 to be tested. - After the
hose 2 has been filled completely and all air has escaped from it thevalve 13 is closed and then the pressure on the test fluid is raised to the desired level. After the test has been conducted as it should be the pressure is reduced again and the fluid drained from thehose 2 via (for example) theinlet hose 16, whereby thevalve 13 is opened again, so that during the draining of the fluid (due to its own weight) ambient air can flow in thehose 2. - Thus is provided for a device that enhances the reliability of the test procedure, increases the safety and considerably shortens the length of time for conducting the total test procedure. In addition the device takes up relatively little room. For improving the safety the device is preferably provided with a (not shown in the figures) protecting coat or housing around the winding
body 4, whereby in case of unexpected rupture of thehose 2 during the test the safety of servicing personnel is guaranteed. - Finally
figure 3 shows an additional illustration of an example of an embodiment of thedevice 1 in perspective.
Claims (7)
- Device (1) for winding up a hose (2), in particular for the benefit of testing said hose for resistance against pressure, which device comprises a winding body (4) that can rotate around a substantially vertical axis (3), and is arranged for winding up said hose spirally,
- Device according to claim 1, wherein the winding body is substantially cylindrical.
- Device according to one of the preceding claims, wherein the winding body is provided with hose guide means (5) that are arranged to force the hose to wind up on the winding body spirally.
- Device according to one of the preceding caims, wherein the winding body is powered by a driving device (6-8).
- Device according to claim 4, wherein the driving device is arranged to make rotate the winding body and simultaneously move it in the axial direction.
- Device according to claim 5, wherein the driving device is arranged in such a manner that for every rotation of the winding body its axial movement substantially corresponds with either the hose diameter or the distance (d) between the hose guide means.
- Device according to claim 6, wherein the driving device comprises a screw-jack (11) of which the pitch corresponds with either the hose diameter or the pitch of the hose guide means.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL1039612A NL1039612C2 (en) | 2012-05-18 | 2012-05-18 | DEVICE FOR REWARDING AND TESTING A PRESSURE HOSE. |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2664573A2 true EP2664573A2 (en) | 2013-11-20 |
EP2664573A3 EP2664573A3 (en) | 2014-06-11 |
Family
ID=48606987
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13002601.6A Withdrawn EP2664573A3 (en) | 2012-05-18 | 2013-05-17 | Device for winding up and testing a hose for pressure |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2664573A3 (en) |
NL (1) | NL1039612C2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111649875A (en) * | 2020-06-12 | 2020-09-11 | 安徽恒达管业有限责任公司 | A pressure testing machine for pipeline leakproofness detects |
CN115753386A (en) * | 2022-11-24 | 2023-03-07 | 山东龙成消防科技股份有限公司 | Fire hose bearing performance detection equipment |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113701953B (en) * | 2021-09-30 | 2022-08-02 | 宁波市宁乐建筑工程检测有限公司 | Curtain wall dynamic wind pressure detection method |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2478540A (en) * | 1948-05-17 | 1949-08-09 | Universal Properties Inc | Take-up hose reeling equipment |
DE4413273C1 (en) * | 1994-04-16 | 1995-08-10 | Karl Hafenrichter | Fire hose test appts. |
FI113452B (en) * | 2001-06-11 | 2004-04-30 | Voitto Alastalo | Fire hose test pressure method and device according to the method |
FR2827587B1 (en) * | 2001-07-18 | 2004-08-27 | Sotep | FEEDER FOR A PIPE |
-
2012
- 2012-05-18 NL NL1039612A patent/NL1039612C2/en not_active IP Right Cessation
-
2013
- 2013-05-17 EP EP13002601.6A patent/EP2664573A3/en not_active Withdrawn
Non-Patent Citations (1)
Title |
---|
None |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111649875A (en) * | 2020-06-12 | 2020-09-11 | 安徽恒达管业有限责任公司 | A pressure testing machine for pipeline leakproofness detects |
CN111649875B (en) * | 2020-06-12 | 2022-02-08 | 安徽恒达管业有限责任公司 | A pressure testing machine for pipeline leakproofness detects |
CN115753386A (en) * | 2022-11-24 | 2023-03-07 | 山东龙成消防科技股份有限公司 | Fire hose bearing performance detection equipment |
Also Published As
Publication number | Publication date |
---|---|
EP2664573A3 (en) | 2014-06-11 |
NL1039612C2 (en) | 2013-11-20 |
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