• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    X CLAMP VALVE AND FLEXIBLE CONNECTION FOR FIRE EXTINGUISHERS. An X-clamp configuration locks a valve element in an engaged position, until a fuse element ruptures to release pressurized inert gas. By depressurization, the X-clamp configuration releases the valve element to open and allow water to flow through the flexible extinguisher assembly.
    公开号:BR112013030363B1
    申请号:R112013030363-8
    申请日:2012-05-25
    公开日:2020-12-08
    发明作者:Buddy Clayton Shipman
    申请人:Victaulic Company；
    IPC主号:
    专利说明:

    CROSS REFERENCE TO RELATED PATENT APPLICATIONS
    [0001] The present patent application claims the benefit according to standard 35 USC ε, 120 of the serial number 13 / 480,786 non-provisional patent application, filed on May 25, 2012 and entitled "X-Brace Valve and Flexible Connection for Fire Sprinklers ", which is incorporated in this specification for reference for all purposes, and further claims the benefit of standard 35 USC ε, 119) and non-provisional patent application serial number 61 / 619,899 , filed on April 3, 2012 and entitled "X-Brace Valve and Flexible Connection for Fire Sprinklers", and from non-provisional patent application serial number 61 / 490,737, filed on May 27, 2011 and entitled "Flexible or Straight Dry Pendent Fire Sprinkler Hose with Xbrace ", both of which are incorporated by reference in this all-purpose specification. TECHNICAL FIELD
    [0002] The present invention relates, in general, to fire extinguisher systems, and in particular to an X-clamp valve assembly and flexible dry extinguisher. BACKGROUND
    [0003] Conventional dry drum fire extinguishers of the prior art, for use in commercial fire extinguisher systems, are sold to installers of fire fighting systems in fixed lengths. The installer must first install a branch line piping for a fire fighting system, and then measure a suitable length for dry drum fire extinguishers for installation. An installer will order the fire extinguishers for the installation according to the measured lengths. Delivery typically takes seven to ten business days, which delays the installation and completion of construction projects. Even longer delays can occur if errors are made in the measurement and fire extinguishers have to be reordered to a different length.
    [0004] Dry fire extinguisher systems often deteriorate rapidly due to condensation that is retained in these systems. With rigid dry extinguisher systems, more fittings are often required to direct rigid piping from a branch line to a desired fire extinguisher assembly location. This increase in the number of fittings results in providing additional locations, where condensation can be collected, without being able to drain. In addition, dry fire extinguisher systems can be filled with air or inert gas, which is expelled during the operation of these systems. The response time to expel air or inert gas from the system and provide water to a fire zone is critical to contain a fire. With additional piping and fittings, necessary to direct dry fire extinguisher systems, the volume required for evacuation and filling with water is increased. SUMMARY
    [0005] Embodiments of the present invention generally provide a flexible dry extinguisher assembly system.
    [0006] An X-clamp valve and a flexible connection for fire extinguishers are described. The X clamp is included in a flexible fire extinguisher set, but can also be used in rigid extinguisher installations. The flexible fire extinguisher set is a set of suspended dry fire extinguisher, which has a flexible body structure, constructed of corrugated or braided hose, similar to that commonly used for plumbing domestic washing machines. A fire extinguisher nozzle can be attached to a first end of the duct, which is provided by a flexible hose. The extinguisher nozzle has a first fitting, an extinguisher orifice and a fusible element. The fuse element is provided by a glass bulb filled with fluid, which will break when ambient temperatures reach a predetermined value. A second fitting is attached to a second end of the flexible conduit, and a valve is mounted on the second fitting. The valve includes a valve element, which is pivotally mounted on the second fitting and movable from a position engaged to a disengaged position. Breaking the fusible element releases any inert gas inside the duct. By means of depressurization, the X clamp configuration releases the valve element to open and allow water to flow through the flexible extinguisher assembly. BRIEF DESCRIPTION OF THE DRAWINGS
    [0007] For a more complete understanding of the present invention and its aspects, reference is made to the description presented below, made in conjunction with the attached drawings, in which: Figure 1 is a side elevation and side view. a partially sectional view of a dry flexible fire extinguisher assembly, made in accordance with an embodiment of the present invention; Figure 2 is a sectional view of the flexible fire extinguisher assembly of Figure 1, taken along section 2 - 2 of Figure 1, and shows a front elevation view of an X clamp valve engagement in an engaged position. , according to an embodiment of the present invention; Figure 3 is a side elevation view and a partially cross-sectional view of a flexible dry fire extinguisher assembly, made in accordance with a second embodiment of the present invention; Figure 4 is a sectional view of the flexible fire extinguisher assembly of Figure 3, taken along section line 2 - 2 of Figure 3, and shows a front elevation view of an X-clamp valve engagement in one disengaged position, according to an embodiment of the present invention; Figure 5 is a side elevation view of a sliding lock of the X-clamp valve engagement in a released position, according to an embodiment of the present invention; Figure 6 is a sectional view of the flexible fire extinguisher assembly of Figure 3, taken along section line 2 - 2 of Figure 3, and shows a front elevation view of the X clamp valve engagement in one position. engaged, according to an embodiment of the present invention; Figure 7 is a side elevation view of a sliding lock of the X-clamp valve engagement in a locked position, according to an embodiment of the present invention; Figure 8 is a detailed view of the slide lock of Figure 7, according to an embodiment of the present invention; and Figure 9 is a side elevation view of a locking pin, according to another embodiment of the present invention. DETAILED DESCRIPTION
    [0008] The present invention generally provides an X-clamp valve and a flexible hose connection for fire extinguishers.
    [0009] Figure 1 illustrates a flexible dry fire extinguisher assembly system 10, according to an embodiment of the present invention. It should be understood that system 10, shown in Figure 1, is for illustrative purposes only and that any other suitable system or subsystem can be used in conjunction with, or in place of, system 10, in accordance with an embodiment of the present invention.
    [00010] In one embodiment, the system 10 may comprise a valve 11 with an X 13 clamp engagement, a conduit and an insertion tube 17.
    [00011] In one embodiment, valve 11 is an inclined seat check valve, such as a flapper valve, and includes an inclined seat type 19 valve element, such as a flapper, for angular movement to couple a seal 21 against a seal seat 23. An X 13 clamp valve engagement can be used to secure valve element 19 in an engaged position, until the system is exposed to a predetermined temperature.
    [00012] In one embodiment, the conduit can be flexible and formed with an external braided metal cover. A fire extinguisher nozzle 25 can be mounted on a first end of the duct, and a connector socket 43 is mounted on a second end of the duct. The extinguisher nozzle 25 may include a socket 27, an extinguisher orifice 29 and a fuse element 31, so that a glass bulb is filled with fluid, as is conventionally used in other fire extinguisher assemblies.
    [00013] Valve 11 is provided between connector fitting 43 and the rectangular duct. Connector insert 43 is attached to the second end of conduit 15, with an elbow fitting 41 between them. Connector fitting 43 connects or otherwise couples system 10 to a T 45 pipe on a fire extinguisher bypass line 47. A connector coupling 49 secures connector fitting 42 to the T 45 pipe.
    [00014] The system 10 can further comprise an insertion tube 17. In one embodiment, the insertion tube 17 can be connected or otherwise coupled to the system 10 by the rectangular duct or an extinguisher nozzle 25. In other embodiments, the insertion tube 17 can be integrally formed with the system 10.
    [00015] System 10 may also include a diffuser 33, or a sprinkler plate, and support arms 35.
    [00016] In one embodiment, air, nitrogen, other suitable inert gases, or a combination of them, can be introduced into system 10 via the insertion tube 17, to inflate and pressurize the rectangular duct. The pressure created by the introduction of a suitable gas will cause pressure to be exerted on valve 11, which will keep the X 13 clamp valve engagement and valve element 19 closed.
    [00017] Valve 11, which couples pressurized gas, may have a larger internal surface area than seal seat 23, which couples pressurized water. In these embodiments, a superficial differential process (which uses pressure X surface area = force) is employed to operate the system 10. The seal seat 23, having a smaller internal surface area, requires more fluid pressure force to be opened.
    [00018] In operation, when the system 10 is exposed to a predetermined temperature, the fuse element 31 will rupture and expel the pressurized inert gas, thereby disengaging the clamp valve engagement in X 13 and the valve element 19, and allowing the pressurized water to drain from the system 10.
    [00019] In operation, air, nitrogen, other suitable inert gases, or a combination of them, can be introduced into the system 10, before installation or after installation via the insertion tube 17, or by another suitable process. In addition, air, nitrogen, other suitable inert gases, or a combination of them, can be reintroduced into the system 10 by the insertion tube 17, if desired, to achieve the desired pressure.
    [00020] In alternative embodiments, an antifreeze solution, other suitable liquids, or a combination of them, can be introduced into the system 10 via the insertion tube 17.
    [00021] In alternative embodiments, the X 13 clamp valve engagement and / or the valve element 19 of the present invention can be used in wet extinguisher installations and in conjunction with rigid extinguishers. For rigid extinguisher sets, the rectangular duct can be replaced with a rigid tubular element, such as a pipe or a pipe.
    [00022] In operation, the use of system 10 mechanics in sets of rigid extinguishers can provide a cheaper manufacturing option.
    [00023] In one embodiment, the extinguisher nozzle 25, the fuse element 31, the diffuser 33 and the support arms (the "extinguisher head 37") can be replaced, without having to replace other elements of the system 10 After the pressurized inert gas is released, the extinguisher head 37 can be replaced. The system 10 can then be repressurized to the desired pressure by introducing air, nitrogen, other inert gases, or a combination of them, through the insertion tube 17.
    [00024] In other embodiments, the extinguisher head 37 can be replaced, without having to release the pressurized gas from the system 10.
    [00025] Figure 2 is a sectional view of the flexible extinguisher assembly 12 of Figure 1, taken along section line 2 - 2 of Figure 1, and shows a front elevation view of a clamp type valve hitch at X 13, in a disengaged position.
    [00026] Figure 3 illustrates a flexible dry fire fighting system 12, according to an embodiment of the present invention. It should be understood that system 12, shown in Figure 3, is for illustrative purposes only, and that any other suitable system or subsystem can be used in conjunction with, or in place of, system 12, in accordance with an embodiment of present invention.
    [00027] In one embodiment, system 12 can generally be similar to system 10, shown and described in conjunction with Figures 1 - 2 mentioned above (with similar parts having similar numbers).
    [00028] In one embodiment, the system 12 may comprise a valve 42, with an X clamp engagement, and a flexible conduit 14.
    [00029] Flexible conduit 14 can be formed with an external braided metal cover. In one embodiment, a fire extinguisher nozzle 16 is mounted on a first end of the flexible conduit 14, and a connector socket 32 is mounted on a second end of the conduit 14. The extinguisher nozzle 16 can include a socket 18, a extinguisher 20, and a fuse element 22, such as a fluid-filled glass bulb, as is conventionally used in other sets of extinguishers. In one embodiment, the fusible element 22 breaks when exposed to a predetermined temperature.
    [00030] The connector socket 32 is fixed at the second end of the flexible conduit 14, with an elbow fitting 10 between them. Connector fitting 32 connects, or otherwise couples, the extinguisher assembly 12 to a T-tube 34, on an extinguisher bypass line 36. A connector coupling 38 secures the fitting 32 to the T-tube 34.
    [00031] Valve 42 is provided between connector fitting 32 and flexible conduit 14. In one embodiment, valve 42 is an inclined seat check valve, such as a flapper valve, and includes a valve valve element. inclined seat 44, such as a flapper, mounted by means of a pivot 46, for angular movement, to attach a seal 48 to a seal seat 50. An X 54 clamp valve engagement can be used to secure the locking element valve 44 in a engaged position, until the system is exposed to a predetermined temperature. When the system is exposed to a predetermined temperature, the fuse element 22 will rupture by coupling the extinguisher assembly 12 and starting to drain water.
    [00032] In one embodiment, a flexible connection 56 extends from the valve hitch 54 to the extinguisher nozzle 16. The flexible connection 56 can be used in conjunction with or separate from the system 10 of Figure 1.
    [00033] A first end of the flexible connection 56 has a connecting pin 58, to fit the valve hitch 54, as described in this specification, to secure the valve hitch 54 in an engaged position. A second end of the flexible connection 56 has a plug adapter 60 to secure the flexible connection 56 to the extinguisher plug 24. An intermediate part 62 of the flexible connection 56 connects the plug adapter 60 to the connecting pin 58, and the centering arms 64 can be used to center flexible connection 56 within flexible conduit 14.
    [00034] When the fuse element 22 breaks and couples the system, the extinguisher plug 24 will release the and allow downward movement of the flexible connection 56.
    [00035] A pusher element 66, provided by a torsion spring, can be connected between socket 18 and orifice 20 and flexible connection 56. A coupling element 68 secures flexible connection 56 to an extension end of the pusher element 66. The pusher element 66 provides a driving force for moving the flexible connection 56 downwards to pull the connecting pin 58 from inside the valve coupling 54.
    [00036] A part of the fitting 40, adjacent to the valve engagement 54, has a lower cut 70. The lower cut 70 can be provided by a groove extending circumferentially, or by openings formed radially at a first end of the fitting 40, to extend along a circumference of the socket 40, in a diametrically opposite, angularly spaced arrangement.
    [00037] In one embodiment, the system 12 may further comprise ventilation holes 98 in the socket 18 and the elbow socket 40. The ventilation holes 98 can be employed to allow moisture to drain from within the system 12.
    [00038] In some embodiments, air, nitrogen, other inert gases, or a combination of them, can be sealed inside the system 12, to prevent moisture retention inside the system 12, instead of using the ventilation holes 98.
    [00039] Air, nitrogen, other inert gases, or a combination of them, introduced and sealed within system 12, can be pressurized. Pressurized inert gas can operate and operate similarly to pressurized inert gas, described in system 10 in Figure 1. Additionally, in some embodiments, pressurized inert gas and flexible connection 56 can act as a primary and a secondary performance for the system 12.
    [00040] Air, nitrogen, other inert gases, or a combination of them, can be introduced into system 12, before installation or after installation.
    [00041] System 12 may also include a diffuser 26, or a sprinkler plate, and support arms 28.
    [00042] Figure 4 is a sectional view of the flexible extinguisher assembly 12 of Figure 3, taken along section line 2 - 2 of Figure 3, and shows a front elevation view of the clamp type valve coupling in X 54, in a disengaged position. Figure 5 is a side elevation view of a slide lock 72 of Figure 4, and shows the lock pin 74 in a released position.
    [00043] Valve fitting 54 is shown to have eight sliding latches 72, arranged with respective longitudinal axes 86, in an angularly spaced alignment, with longitudinal axes arranged at an even distance around a central point of a clamp eye 94. In alternative embodiments, the number of sliding latches 72 can be increased or decreased, if desired.
    [00044] Clamp eye 94 defines a section arranged in the center of valve hitch 54, defined within a connecting pin guide 96, to which the primary ends of the clamp arms 88 are firmly attached.
    [00045] The sliding latches 72 can all have a clamp arm 88 and a latch pin 74. In some embodiments, the clamp arms 88 can be integrally formed as part of valve element 44.
    [00046] The locking pins 74 have an elongated rod 80, a trailing end 82 and a protruding end 84. In one embodiment, the trailing end 82 and the protruding end 84 are round. A fixed shoulder 78 is connected to the protruding end 84 of the slide latch 72. A pusher element 76 is provided by a coiled coil spring, for extension between the fixed shoulder 78 and a stop 92, provided on the clamp arm 88, so that the locking pin 74 is pushed to move away from protruding end 84 towards follower end 82.
    [00047] The clamp arms 88 may also include retainers 90, for sliding fixation of the locking pins 74 to the clamp arms 88. When the locking pin 58 is not disposed within the clamp eye 94, the locking pins 74 are free to move towards the trailing ends 82 of those respective sliding latches 72 and associated clamp arms 88, so that the trailing ends 82 project into the clamp eye 94.
    [00048] Figure 6 is a sectional view of the flexible extinguisher assembly 12 of Figure 3, taken along section line 2 - 2 of Figure 3, and shows a front elevation view of the X-clamp valve coupling 54 , in a engaged position. Figure 7 is a side elevation view of a slide lock 72 of Figure 6, and shows lock pin 74 in an engaged position. Figure 8 is a detailed view of a clamp arm 88 and lock pin 74 of the X 54 clamp valve engagement of Figure 6.
    [00049] With reference to Figure 6, the flexible connection 56 is shown in an initial position, as previously shown in Figure 3, with the connecting pin 58 coupled inside the clamp eye 94 of the valve coupling 54. In that position, the connecting pin 58 pushes the locking pins 74 of the slide locks 72 radially out of the clamp eye 94, which moves the protruding ends 84 so that they extend radially to the lower cut 70 and secure the element and valve 44 in one closed position.
    [00050] When the connecting pin 58 is released from inside the clamp eye 94, the pusher elements 76 will propel the lock pins 74 to move from the locked positions to the released positions, as shown in Figures 4 and 5. The valve element 44 will open under the pressure of fluid pressure, within the extinguisher branch 36.
    [00051] Figure 9 is a side elevation view of an alternative lock pin 100. The lock pin 100 has an impeller element 102, provided by the coiled coil spring. The locking pin 100 may comprise an elongated rod 106, a trailing end 108 and a protruding end 110. In one embodiment, the trailing end 108 and protruding end 110 may have rounded ends. A fixed shoulder 104 is provided spaced from the protruding end 110 to receive the pusher element 102 between them.
    [00052] It may be advantageous to provide definitions of certain words and phrases, used in this patent document. The term "coupling" and its derivatives refer to any direct or indirect communication between two or more elements, whether or not these elements are in physical contact with each other. The terms "include" and "understand", as well as their derivatives, mean inclusion without limitation. The term "or" is inclusive, meaning and / or. The phrases "associated with" and "associated with it", as well as their derivatives, can mean to include, be included within, interconnect with, contain, be contained within, connect to or with, couple with or, communicate with, cooperate with, between leafing, juxtaposing, being close to, being connected to or with, having, having a property of, or similar.
    [00053] Although this description has presented certain embodiments and processes generally associated, changes and exchanges of these embodiments and processes will become evident to those skilled in the art. Consequently, the description presented above of exemplary embodiments does not define or limit this invention. Other changes, substitutions and alterations are also possible, without departing from the spirit and scope of this invention, as defined by the claims presented below
    权利要求:
    Claims (21)
    [0001]
    1. A flexible dry extinguisher head, comprising: a conduit (15) having a first end and a second end, the second end being configured to couple with a fluid supply; a fire extinguisher nozzle (25) mounted at the first end of the duct (15); and a valve (11) disposed near the second end of the conduit (15) and having an open state and a closed state, the valve (11) configured to allow the fluid supply fluid to flow through the conduit (15) when the valve (11) is in the open state, and prevent fluid from the fluid supply from flowing through the conduit (15), when the valve (11) is in the closed state, characterized by the fact that: the conduit (15) is a flexible conduit ; and the flexible conduit (15) is configured to receive and contain pressurized gas, the pressurized gas keeping the valve (11) in the closed state.
    [0002]
    2. Flexible dry extinguisher head according to claim 1, characterized in that the flexible dry extinguisher head is configured so that the pressurized gas is released by the extinguisher nozzle, when the extinguisher nozzle opens , which in turn allows the valve to move from the closed to the open state.
    [0003]
    3. Flexible dry extinguisher head according to claim 1, characterized by the fact that the flexible duct includes a corrugated hose.
    [0004]
    4. Flexible dry extinguisher head according to claim 3, characterized by the fact that the flexible duct includes an external braided metal cover.
    [0005]
    5. Flexible dry extinguisher head, according to claim 1, characterized by the fact that the flexible duct is capable of being curved at a right angle.
    [0006]
    6. Flexible dry extinguisher head, according to claim 1, characterized by the fact that the valve is a check valve.
    [0007]
    7. Flexible dry extinguisher head, according to claim 1, characterized by the fact that the valve is a flapper valve.
    [0008]
    8. Flexible dry extinguisher head according to claim 1, characterized by the fact that the extinguisher nozzle includes an element, which breaks when exposed to predetermined temperatures.
    [0009]
    9. Flexible dry extinguisher head according to claim 1, characterized by the fact that the exposed surface area of the valve on one outlet side of the valve is greater than the exposed surface area of the valve on one inlet side the valve.
    [0010]
    10. A flexible dry extinguisher head comprising: a conduit (15) having a first end and a second end, the second end being configured to be coupled to a fluid supply; an extinguisher nozzle (25) mounted at the first end of the conduit (15), the extinguisher nozzle (25) including an element that breaks when exposed to predetermined temperatures; and a valve (11) disposed near the second end of the conduit (15) and having an open state and a closed state, the valve (11) configured to allow fluid from the fluid supply to flow through the conduit (15) when the valve ( 11) is in the open state, and prevent fluid from the fluid supply from flowing through the conduit (15), when the valve (11) is in the closed state; characterized by the fact that: the conduit (15) is a flexible conduit; the flexible dry extinguisher head is configured to receive and contain pressurized gas, and the extinguisher nozzle (25), the valve (11) and the flexible duct (15) are configured so that the rupture of the element releases the pressurized gas , which in turn allows the valve (11) to move from the closed to the open state.
    [0011]
    11. Flexible dry extinguisher head according to claim 10, characterized by the fact that the flexible duct includes a corrugated hose.
    [0012]
    12. Flexible dry extinguisher head according to claim 11, characterized by the fact that the flexible duct includes an external braided metal cover.
    [0013]
    13. Flexible dry extinguisher head according to claim 10, characterized by the fact that the flexible duct is capable of being curved at a right angle.
    [0014]
    14. Flexible dry extinguisher head according to claim 10, characterized in that the duct is filled with an inert gas under pressure between the first end and the valve.
    [0015]
    15. Flexible dry extinguisher head according to claim 10, characterized by the fact that it also comprises a gas inlet, to pass gas to the flexible duct.
    [0016]
    16. Flexible dry extinguisher head comprising: a conduit (15) having a first end and a second end, the second end being configured to couple with a fluid supply; a fire extinguisher nozzle (25) mounted at the first end of the duct (25); and a valve (11) disposed near the second end of the conduit (15) and having an open state and a closed state, the valve (11) configured to allow fluid from the fluid supply to flow through the conduit (15) when the valve (11) is in the open state, and prevent fluid from the fluid supply from flowing through the conduit (15), when the valve (11) is in the closed state; characterized by the fact that: the conduit (15) is a flexible conduit; and the flexible conduit (15) is filled with a liquid, having antifreeze characteristics, between the first end and the valve (11), the liquid keeping the valve (11) in the closed state.
    [0017]
    17. Flexible dry extinguisher head, according to claim 16, characterized by the fact that the flexible dry extinguisher head is configured so that the liquid passes through the extinguisher nozzle, when the extinguisher nozzle opens, the which, in turn, allows the valve to move from the closed to the open state.
    [0018]
    18. Flexible dry extinguisher head according to claim 16, characterized by the fact that the flexible duct includes a corrugated hose and an external braided metal cover.
    [0019]
    19. Flexible dry extinguisher head according to claim 16, characterized by the fact that the flexible duct is capable of being curved at a right angle.
    [0020]
    20. Flexible dry extinguisher head according to claim 16, characterized by the fact that the valve is a check valve.
    [0021]
    21. Fire protection method comprising the steps of: providing a flexible dry extinguisher head, comprising: a duct (15) having a first end and a second end, the second end being configured to couple with a power supply fluid; a fire extinguisher nozzle (25) mounted on the first end of the duct (15) and a valve (11) disposed near the second end of the duct (15) and having an open state and a closed state, the valve (11) configured to allow that fluid from the fluid supply flows through the conduit (15), when the valve (11) is in the open state, and prevent fluid from the fluid supply flowing through the conduit (15), when the valve (11) is in the closed state; and filling the conduit (15) with pressurized gas, so that the pressurized gas keeps the valve (11) in the closed state; characterized by the fact that: the conduit (15) is a flexible conduit; and the flexible dry extinguisher head is configured to release the pressurized gas when the extinguisher nozzle (25) opens, which allows the valve (11) to open and the fluid from the fluid supply to pass through the flexible duct ( 15) and out of the extinguisher nozzle (25).
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    同族专利:
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    CN109013091A|2018-12-18|
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    BR112013030363A2|2017-08-01|
    JP2014515287A|2014-06-30|
    MX344119B|2016-12-06|
    EP2714282A4|2015-05-20|
    AU2012262442B2|2016-09-22|
    CN103826754A|2014-05-28|
    WO2012166636A1|2012-12-06|
    NZ618895A|2016-04-29|
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    EP2714282A1|2014-04-09|
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    法律状态:
    2018-12-11| B06F| Objections, documents and/or translations needed after an examination request according art. 34 industrial property law|
    2020-03-17| B06U| Preliminary requirement: requests with searches performed by other patent offices: suspension of the patent application procedure|
    2020-09-15| B09A| Decision: intention to grant|
    2020-12-08| B16A| Patent or certificate of addition of invention granted|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 25/05/2012, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
    申请号 | 申请日 | 专利标题
    US201161490737P| true| 2011-05-27|2011-05-27|
    US61/490/737|2011-05-27|
    US201261619899P| true| 2012-04-03|2012-04-03|
    US61/619,899|2012-04-03|
    US13/480,786|2012-05-25|
    PCT/US2012/039666|WO2012166636A1|2011-05-27|2012-05-25|X-brace valve and flexible connection for fire sprinklers|
    US13/480,786|US9339673B2|2011-05-27|2012-05-25|Flexible dry sprinkler|
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