CN101658720B - Multifunctional supporting, anti-folding, economizing and energy saving fire hose extending liquid feeding device - Google Patents
Multifunctional supporting, anti-folding, economizing and energy saving fire hose extending liquid feeding device Download PDFInfo
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- CN101658720B CN101658720B CN2009100205477A CN200910020547A CN101658720B CN 101658720 B CN101658720 B CN 101658720B CN 2009100205477 A CN2009100205477 A CN 2009100205477A CN 200910020547 A CN200910020547 A CN 200910020547A CN 101658720 B CN101658720 B CN 101658720B
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Abstract
The invention discloses a multifunctional supporting, anti-folding, economizing and energy saving fire hose extending liquid feeding device. An anti-folding pipe is arranged between a fire branch assembly and a fire hose, and the front end of the anti-folding pipe is connected with the fire branch assembly or is connected with the fire branch assembly by a regulating anti-folding pipe or is connected with the fire branch assembly by an extending liquid feeding device; and fire fighting liquid is spurted from the fire hose to the fire branch assembly through the anti-folding pipe or is directly spurted from the fire hose to the fire branch assembly for putting out fire for a combustion source. The fire hose extending liquid feeding device extends the distance for conveying the fire fighting liquid by the extending liquid feeding device or the regulating anti-folding pipe, supports the fire hose weight and absorbs the reacting force by combining a supporting leg and a back supporting leg with the ground or the fire engine or the building, prevents the fire hose from being folded by the anti-folding pipe or a bending anti-folding pipe and joints with hands or shoulders of a human body by a shoulder level, a lifting handle and a shoulder belt.
Description
The present invention relates to a kind of multifunctional supporting, anti-folding, economizing and energy saving fire hose extending liquid feeding device, belong to public security fire-fighting, forest fire prevention and control, construction and the greening apparatus field of watering.
Present known fire-fighting band is the hose-like bar shape with fibrage, in use existing gives a discount easily influence fire-fighting liquid proper flow, since the too short deadweight that makes the too near fire-fighting liquid that has arrived not scene of fire, ejection of fire-fighting liquid ejection distance cause a large amount of fire-fighting liquid wastes, produces bigger reaction force and Fire branch and fire-fighting band when Fire branch sprays fire-fighting liquid of Fire branch because of wind departs from burning things which may cause a fire disaster make the fire fighter pickaback or hand embrace Fire branch cause the fire fighter consume one's strength too big, apart from shortcomings such as the too near fire fighters that burns easily of burning things which may cause a fire disaster.
The purpose of this invention is to provide a kind of promptly can the use as common fire-fighting band more can avoid the discounting of fire-fighting band to guarantee that feed flow is unobstructed; Make the prolongation of fire-fighting liquid ejection distance be convenient to put out a fire near burning things which may cause a fire disaster; Overcome fire-fighting liquid ejection back and be convenient to find accurately burning things which may cause a fire disaster because of wind-force makes the lateral run-out of fire-fighting liquid and avoided fire-fighting liquid to be blown to four winds; Can be directly fire-fighting liquid being delivered to fire inside makes full use of and can practice thrift fire-fighting liquid more than 90%; Can guarantee fire fighter's safety in the local fire-fighting far away apart from burning things which may cause a fire disaster; Through supporting leg Fire branch is supported in the labour intensity that can alleviate the fire fighter on ground or the building; Through regulating length or using fire-fighting extension apparatus lengthening or through lifting the multifunctional supporting, anti-folding, economizing and energy saving fire hose extending liquid feeding device that supporting leg can carry out fire-fighting to higher burning things which may cause a fire disaster; The present invention can be widely used in every field such as public security fire-fighting, forest fire prevention and control, afforestation water, construction, boat water delivery.
The objective of the invention is to realize like this: between Fire branch assembly 1 and fire-fighting band 9, be provided with anti-folding pipe 5, anti-folding pipe 5 front ends are connected with Fire branch assembly 1 by preceding general connector 2 or are connected with Fire branch assembly 1 or are connected with Fire branch assembly 1 by extending liquid feeding pipe 11 by regulating anti-folding pipe 13; The rear end is connected with fire-fighting band 10 by back general connector 9 or is connected with fire-fighting band 10 or fire-fighting band 10 is rolled over by anti-folding pipe 5 and curved anti and managed 19 inside and be connected with Fire branch assembly 1 by curved anti folding pipe 19; Supporting leg 6 is connected with anti-folding pipe 5 by clips 3, locking device 4; Shoulder flat 8 is located at the centre or an end of anti-folding pipe 5; Circle the leg backward for an upward blow and 14 be connected with the rear end of anti-folding pipe 5; Handle 17 is connected with anti-folding pipe 5 outsides, carries on the arm with 18 to be connected with the outside of anti-folding pipe 5, and curved anti folding pipe 19 is connected with the rear portion of anti-folding pipe 5; Fire-fighting liquid directly to Fire branch assembly 1 ejection to burning things which may cause a fire disaster is implemented fire extinguishing by anti-folding pipe 5 to 1 ejection of Fire branch assembly or from fire-fighting band 10 from fire-fighting band 10; Distance by extending liquid feeding pipe 11 or the anti-folding pipe 13 prolongation conveying fire-fighting liquid of adjusting; Combine by supporting leg 6 and back brace leg pressing 14 and ground or fire fighting truck or building and to support fire-fighting band weight and absorption reaction force; Make the fire-fighting band prevent to give a discount by anti-folding pipe 5 or curved anti folding pipe 19,, handle 17 flat 8, carry on the arm with 18 and combine with the hand or the shoulder of human body by takeing on.Owing to adopted above scheme just to realize the object of the invention easily.
Fire-fighting liquid is meant the medium that can stamp out a fire in the present invention, and all can be used for the material of routine or inhibition to have comprised liquid, gas, gas liquid mixture or solid-liquid mixture etc.
Below in conjunction with Figure of description the present invention is further specified:
Fig. 1 is necessarily turn round angle and with the structural principle sketch map of a supporting leg of the gentle band of band shoulder;
Fig. 2 is the section principle schematic of the flat part of shoulder;
Fig. 3 is the structural principle sketch map of straight-bar type band fixing supporting legs;
Fig. 4 is an extending liquid feeding tubular construction principle schematic;
Fig. 5 is with two adjustable supports legs and the structural principle sketch map of being with back brace leg pressing, belt controling valve and combining with the fire-fighting extension;
Fig. 6 is can be arbitrarily crooked and with the structural principle sketch map of handle and snap device for afterbody;
Fig. 7 is a snap device cross section structure principle schematic.
Respectively be labeled as among the figure: 1, Fire branch assembly; 2, preceding general connector; 3, clips; 4, locking device; 5, anti-folding pipe; 6, supporting leg; 7, adjustable support leg; 8, shoulder is flat; 9, back general connector; 10, fire-fighting band; 11, extending liquid feeding pipe; 12, by-pass valve control; 13, regulate anti-folding pipe; 14, back brace leg pressing; 15, Fire branch bayonet socket; 16, bayonet mechanism; 17, handle; 18, carry band on the arm; 19, curved anti folding pipe; 20, connecting pin; 21 alignment pins; 22, bracer.In the drawings:
Fire branch assembly 1 (also being ejecting device, spray gun device etc.) is existing various Fire branch (like direct injection Fire branch or mist formula Fire branch or Water curtain wall formula Fire branch or dispersive jet formula Fire branch or compact system formula Fire branch or lean on the rotary Fire branch that the strength of current rotates or lean on rotary Fire branch that electronic strength rotates or multi-functional Fire branch or direct current Fire branch or the direct current spraying Fire branch etc. of blooming of blooming).Front end ejects fire-fighting liquid, and the rear end is connected or is connected with the front end of extending liquid feeding pipe 11 through the front end of general connector with anti-folding pipe 5.When adopting extending liquid feeding pipe 11 as Fire branch ejection fire-fighting liquid, the Fire branch assembly can not wanted yet.
Preceding general connector 2 is connected or is connected with the front end of extending liquid feeding pipe 11 with the front end of anti-folding pipe 5, and effect is to be connected with the Fire branch assembly 1 of any model or function through preceding general connector 2; Be universal standard component, adopt diameter to be generally 25mm or 40mm or 65mm or 50mm or the diameter of design as required, when the diameter of Fire branch assembly 1 and general connector does not conform to, can change through diameter transducer (also crying reducer union).
Supporting leg 6 is connected with clips 3 or directly is connected with anti-folding pipe 5, and effect is to support the weight of fire-fighting band 9 and Fire branch assembly 1 and the reaction force that absorbs Fire branch assembly 1.Lean on clips 3 at the relative position of preventing on the folding pipe 5 that moves or rotate adjustable support leg 6 and anti-folding pipe 5, to regulate the maximum support point; The other end and ground or fire fighting truck or building support mutually, also can be lifted to increase the jetting height of Fire branch assembly 1 by manual work, have adopted one or two or three to support; The structure of supporting leg device has adopted the form of regular length and variable-length; Cross section has adopted circular square or oval or triangle; Length is used the comfortable principle that is with the fire fighter.To be used for pickaback when main, supporting leg 6 can not wanted yet.
Back general connector 9 is connected with the rear end of anti-folding pipe 5 or extending liquid feeding pipe 11, and effect is to be connected with the fire-fighting band 10 of any model or function through back general connector 9; Be universal standard component, adopt diameter 65mm or 50mm or the diameter of design as required, when the woven hose of fire-fighting band 10 when afterwards the diameter of general connector does not conform to, can change through diameter transducer (also crying reducer union).Toroidal also can be processed in the rear end of back general connector 9, forms certain radian, holds the fire-fighting band and prevents that the fire-fighting band from giving a discount.
Preceding general connector 2 is that appearance and size is identical with back general connector 9, and the standard component that can connect fast mutually is prior art.
Fire-fighting band 10 is existing matured product for carrying the pipeline of fire-fighting liquid, is connected with the anti-general connector 9 of rolling over the pipe afterbody or is connected with Fire branch assembly 1 through anti-folding pipe 5 inside; Adopt standard compliant fiber woven belt or plastic pipe or rubber tubing to process, diameter is generally normal diameter or the diameter as required about 20mm or 40mm or 50mm or 65mm.
Extending liquid feeding pipe 11 front ends are connected with Fire branch assembly 1 through preceding general connector 2 or directly use as Fire branch, the rear end through back general connector 9 with anti-roll over manage that 5 front end is connected or direct and fire-fighting band on general connector be connected; Its effect is to prolong the distance that fire-fighting liquid sprays.Its elongated surfaces has adopted vertical bar shaped or curved or turning shape; Its cross section square oval or half-open degree of lip-rounding of circle that is shaped as; The diameter generally diameter with anti-folding pipe 5 is identical, in the place of special use, can decide according to the diameter of use needs, should be greater than the diameter of fire-fighting band through the diameter or the width of the anti-folding pipe 5 of fire-fighting band 10 for inside; Its length is decided as required, is generally plurality of specifications such as 2 meters, 3 meters, 5 meters, 8 meters, 10 meters, in the place of special use, can decide according to the length of use needs; Also can be in the vertical or horizontal processing of outside reinforcement, to increase its flexural strength.Can all be with general connector in two ends, also can not be with general connector by an end, also can not establish and strengthen hoop in case support bad oral area when spraying fire-fighting liquid with an end of general connector; Also can an end thinner, so that increase expulsion pressure when using as spray gun, extending liquid feeding pipe 11 can be used one; Also can use many series connection to use; To increase the length of carrying fire-fighting liquid, a leading section foremost also can turn certain angle, changes certain orientation when making the ejection of fire-fighting liquid; So that the burning things which may cause a fire disaster to the side is implemented fire-fighting, also can be connected between anti-folding pipe 5 and the fire-fighting band 10 and use.The total length of extending liquid feeding pipe 11 is the distance that fire-fighting liquid extends ejection.Also can use the multitube superposition, the quantity and the length of pipe in pulling out according to the use needs.In the place that need not prolong, extending liquid feeding pipe 11 can not wanted yet.
By-pass valve control 12 is connected with anti-folding pipe 5 or is connected or is connected with extending liquid feeding pipe 11 with the anti-folding pipe 13 of adjusting; Play the flow and the break-make fire-fighting liquid of control fire-fighting liquid; Have by-pass valve control in Fire branch assembly 1 top or need not control fire-fighting liquid or fire-fighting band 10 when directly being connected with Fire branch assembly 1, by-pass valve control 12 can not wanted yet.
Regulating anti-folding pipe 13 1 ends is connected with Fire branch assembly 1 through preceding general connector 2; The other end is connected with anti-folding pipe 5, forms slides in telescopic at the anti-inner arm of rolling over pipe 5, to regulate the use length that anti-folding is managed; In order to prevent that fire-fighting liquid from flowing out in the slit, but between increases sealing device.In the time need not adjusting anti-folding length of tube or used the place of extending liquid feeding pipe 11 to use, regulate anti-folding pipe 13 and also can not want.
The rear portion of back brace leg pressing 14 and anti-folding pipe 5 fix in conjunction with or movable combination, effect is when being placed on ground or building on the time, stablely wholely manages 5 and leans forward with preventing to roll over.Adopted the tubular body of blocks or strip shape body or adjustment height, also can process pedal, so as on the human body station or object press as counterweight.The back brace leg pressing also can be fixed on fire fighting truck top or side, to increase the stability of using.In the time need not being placed on ground or supporting leg 6 and can keeping monolithic stability, back brace leg pressing 14 can not wanted yet.
Fire branch bayonet socket 15 is loaded on anti-folding tube head; Effect is the fixing usefulness of general connector when adopting Fire branch 1 directly to be connected with fire-fighting band 10; The method that its structure has adopted half opening formula or two halves to be fixed together is fixed general connector; When fire-fighting band 10 was connected through anti-folding pipe 5 with Fire branch assembly 1, Fire branch bayonet socket 15 can not wanted yet.
Bayonet mechanism 16 is connected with anti-folding pipe 5 through alignment pin 20, and effect is that the anti-folding pipe 5 of double open type structure is fixed, and prevents that fire-fighting band 10 from going out and prevent rolling over and manage 5 and be out of shape.Quantitatively decide as required; The general 2---5 that adopts is individual, also can use a long slab shape with anti-folding pipe 5 length basically identicals to replace, and can also directly not use the rectangular replacement of locked groove shape through alignment pin 20; Can design as required, also can replace with existing finished product on the market.Bayonet mechanism 16 can not wanted yet when anti-folding pipe 5 does not adopt the design of half opening formula.
Carry on the arm and be with 18 to be connected with anti-folding pipe 5, effect is that anti-folding pipe 5 is carried on the arm piggyback, to alleviate the fatigue that the people embraces anti-folding pipe and fire-fighting band 10.Fibrous material braiding with soft forms, and in the time need not being worn on the shoulder, carrying on the arm and is with 18 also can not want.
Curved anti folding pipe 19 is connected with the rear end of anti-folding pipe 5, produces certain circular arc when effect is bending and prevents that fire-fighting band 10 from giving a discount when crooked, adopts connection plank frame or coiled structure or hemispheric structure.When adopt connecting plank frame, each connecting plate is together in series the round tubular or square tubulose that formation can free bend with connecting pin 20; When adopting the coiled pipe structure, can not want connecting pin 20, lean on the tubular body of the engaged formation free bend in edge of band.Adopt bigger circular arc to hold the fire-fighting band, avoided the fire-fighting band to give a discount.When the angle of bend that does not need the fire-fighting band to carry out very big crooked or anti-folding pipe when the fire-fighting scene can satisfy instructions for use, curved anti folding pipe 19 can not wanted yet.
Connecting pin 20 is connected with the tube connector (or connecting plate) that the curved anti folding is managed on 19; Effect is on each tube connector, to work the effect of being connected in series; Make curved anti folding pipe 19 under the connection of connecting pin 20, can need crooked various radians by use; Quantity is identical with the quantity of tube connector, and diameter uses needs to be principle to satisfy.When curved anti was not rolled over pipe 19 or adopted the coiled pipe structure, connecting pin 20 can not wanted yet.
Below operating position of the present invention is added an explanation:
Fig. 1 is necessarily turn round angle and with the structural principle sketch map of a supporting leg of the gentle band of band shoulder; Connect fire-fighting band 10 and Fire branch assembly 1 in use; Strut supporting leg 6 and open adjustable support leg 7; Tighten locking device 4, will prevent that folding pipe 5 is put on the shoulder contact or supporting leg 6 is supportted in ground and can use that this programme relatively is applicable to the place use of certain altitude with shoulder flat 8.
Fig. 3 is the structural principle sketch map of straight-bar type band fixing supporting legs; Connect fire-fighting band 10 and Fire branch assembly 1 in use, will prevent that folding pipe 5 is put on the shoulder contact with shoulder flat 8 and maybe will prevent folding pipe 5 Rotate 180 degree, supporting leg 6 is opened to support to use in ground get final product, this programme relatively is applicable to the use of horizontal place.
Fig. 4 is the structural principle sketch map of extending liquid feeding pipe 11; Be series in use between anti-folding pipe 5 and the Fire branch assembly 1 or use as the front end that Fire branch is connected to anti-folding pipe 5 to get final product, this programme relatively is applicable to the place use that far need increase the liquor charging distance apart from burning things which may cause a fire disaster.
Fig. 5 is with two adjustable supports legs and the structural principle sketch map of being with back brace leg pressing 14, belt controling valve 12 and combining with extending liquid feeding pipe 11; Connect fire-fighting band 10 and extending liquid feeding pipe 11 in use; Strut supporting leg 6 and open adjustable support leg 7 and back brace leg pressing 14; Tighten locking device 4; To prevent rolling over pipe 5 puts on ground or the fire fighting truck and can use; Can use by-pass valve control 12 to regulate or the flow of control fire-fighting liquid, carry the length of fire-fighting liquid or regulate the length of carrying fire-fighting liquid with the method for series connection extending liquid feeding pipe 11 quantity with the telescopic adjustment of regulating anti-folding pipe 13, this programme relatively is applicable to the place use that reaction force is bigger and far away apart from burning things which may cause a fire disaster.
Fig. 6 for afterbody can be arbitrarily crooked and with handle 17 with snap device 16 and carry structural principle sketch map on the arm with 18; Open bayonet mechanism 16 in use, fire-fighting band 10 is loaded in the anti-folding pipe 5, Fire branch assembly 1 is loaded in the Fire branch bayonet socket 15, card upper latch notch mechanism 16 (or directly the fire-fighting band being through in the anti-folding pipe 5) uses and gets final product.Can live handle 17 or will prevent rolling over pipe 5 with 18 and carry on the arm in shoulder and go up or utilize bending or turning to hang piggyback with portable during use, eliminate the fatigue that hand fatigue and people embrace, and be convenient to move to alleviate the strength of people's grasped with carrying on the arm.This programme relatively is applicable to the place use that moving range is big and need spray fire-fighting liquid vertically downward.
Each parts can increase and decrease as required in scenarios, as also adopting adjustable support leg 7 and back brace leg pressing 14, by-pass valve control 12 among Fig. 1, Fig. 3, regulating anti-folding pipe 13 or wherein a certain parts; Also can use handle 17 among Fig. 5, carry on the arm and be with 18 or wherein a certain parts; Also can use extending liquid feeding pipe 11, adjustable support leg 7, back brace leg pressing 14 or a certain parts etc. wherein among Fig. 6.
In most preferred embodiment, anti-folding pipe 5, regulate tubing or aluminium alloy or titanium alloy or stainless steel pipe or carbon steel tubing or resistant to elevated temperatures metal material of high-strength light or the processing of shape material that anti-folding pipe 13, extending liquid feeding pipe 11 have adopted carbon fiber or fiberglass or plastic-steel or high temperature resistant incombustible chemical materials.
Adopted in anti-folding pipe 5, the combination of regulating anti-folding pipe 13, extending liquid feeding pipe 11 and general connector 2,9 and to be threaded or colloid is bonding or welding.
Claims (2)
1. multifunctional supporting, anti-folding, economizing and energy saving fire hose extending liquid feeding device, mainly by Fire branch assembly (1), preceding general connector (2), clips (3), locking device (4), anti-folding pipe (5), supporting leg (6), adjustable support leg (7), shoulder flat (8), back general connector (9), fire-fighting band (10), extending liquid feeding pipe (11), by-pass valve control (12), regulate anti-folding pipe (13), back brace leg pressing (14), Fire branch bayonet socket (15), bayonet mechanism (16), handle (17), carry band (18) on the arm, the curved anti folding is managed (19) and is formed; It is characterized in that: between Fire branch assembly (1) and fire-fighting band (10), be provided with anti-folding pipe (5), anti-folding pipe (5) front end is connected with Fire branch assembly (1) through preceding general connector (2) or is connected with Fire branch assembly (1) or is connected with Fire branch assembly (1) through extending liquid feeding pipe (11) through regulating anti-folding pipe (13); The rear end is connected with fire-fighting band (10) through back general connector (9) or is connected with fire-fighting band (10) or fire-fighting band (10) is managed (5), curved anti through anti-folding and rolled over and manage (19) inside and be connected with Fire branch assembly (1) through curved anti folding pipe (19); Supporting leg (6) is connected with anti-folding pipe (5) with locking device (4) through clips (3); Shoulder flat (8) is located at the centre or an end of anti-folding pipe (5); Back brace leg pressing (14) is connected with the rear end of anti-folding pipe (5); Handle (17) is connected with anti-folding pipe (5) outside, carries band (18) on the arm and is connected with the outside of anti-folding pipe (5), and curved anti folding pipe (19) is connected with the rear portion of anti-folding pipe (5); Fire-fighting liquid directly to Fire branch assembly (1) ejection to burning things which may cause a fire disaster is implemented fire extinguishing through anti-folding pipe (5) to Fire branch assembly (1) ejection or from fire-fighting band (10) from fire-fighting band (10); Prolong the distance of conveying fire-fighting liquid through extending liquid feeding pipe (11) or the anti-folding pipe of adjusting (13); Combine to support fire-fighting band weight and absorb reaction force through supporting leg (6) and back brace leg pressing (14) and ground or fire fighting truck or building; Make the fire-fighting band prevent to give a discount through anti-folding pipe (5) or curved anti folding pipe (19), flat through takeing on (8), handle (17), carry band (18) on the arm and combine with the hand or the shoulder of human body.
2. it is characterized in that according to the described multifunctional supporting, anti-folding, economizing and energy saving fire hose extending liquid feeding device of claim 1: anti-folding pipe (5) elongated surfaces has adopted vertical bar shaped or curved or turning shape; Cross section shape has adopted the circular square oval or half-open degree of lip-rounding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100205477A CN101658720B (en) | 2009-04-20 | 2009-04-20 | Multifunctional supporting, anti-folding, economizing and energy saving fire hose extending liquid feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100205477A CN101658720B (en) | 2009-04-20 | 2009-04-20 | Multifunctional supporting, anti-folding, economizing and energy saving fire hose extending liquid feeding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101658720A CN101658720A (en) | 2010-03-03 |
| CN101658720B true CN101658720B (en) | 2012-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100205477A Expired - Fee Related CN101658720B (en) | 2009-04-20 | 2009-04-20 | Multifunctional supporting, anti-folding, economizing and energy saving fire hose extending liquid feeding device |
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| Country | Link |
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| CN (1) | CN101658720B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104888391B (en) * | 2015-06-16 | 2017-12-08 | 广东寰易消防科技有限公司 | Fire-hose laying system and its laying method |
| CN106861104A (en) * | 2015-12-11 | 2017-06-20 | 湖南润华新材料有限公司 | A kind of Novel multi-functional fire water band |
| CN105771137A (en) * | 2016-05-26 | 2016-07-20 | 商河县公安消防大队 | Novel fire hose adapter |
| CN113339587A (en) * | 2021-07-01 | 2021-09-03 | 上海爱船船舶科技有限公司 | Movable intelligent laying system for water hoses |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2536679A1 (en) * | 1982-11-29 | 1984-06-01 | St Mihiel Sa | Improved nozzle for spraying a fluid or solid substance and in particular a fire-hose nozzle |
| CN200951281Y (en) * | 2006-09-27 | 2007-09-26 | 上海强师消防装备有限公司 | Portable type supporting frame for branch |
-
2009
- 2009-04-20 CN CN2009100205477A patent/CN101658720B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2536679A1 (en) * | 1982-11-29 | 1984-06-01 | St Mihiel Sa | Improved nozzle for spraying a fluid or solid substance and in particular a fire-hose nozzle |
| CN200951281Y (en) * | 2006-09-27 | 2007-09-26 | 上海强师消防装备有限公司 | Portable type supporting frame for branch |
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| Publication number | Publication date |
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| CN101658720A (en) | 2010-03-03 |
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