GB2502828A - Water cooled safety chute for a building - Google Patents
Water cooled safety chute for a building Download PDFInfo
- Publication number
- GB2502828A GB2502828A GB1210193.7A GB201210193A GB2502828A GB 2502828 A GB2502828 A GB 2502828A GB 201210193 A GB201210193 A GB 201210193A GB 2502828 A GB2502828 A GB 2502828A
- Authority
- GB
- United Kingdom
- Prior art keywords
- water
- section
- safety chute
- chute
- safety
- 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.)
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Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B1/00—Devices for lowering persons from buildings or the like
- A62B1/20—Devices for lowering persons from buildings or the like by making use of sliding-ropes, sliding-poles or chutes, e.g. hoses, pipes, sliding-grooves, sliding-sheets
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Safety Valves (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
A personal rescue or escape chute comprises double walled chute sections 1, the sections are joined together to make a chute of the desired height along with a cooling water circulation pipe 4 with an outlet valve 3 at the bottom of the safety chute. The sections may have joints comprising of a countersunk joint assembly 9, rubber seal 10, lip flange and water joints 11. The joins may be fastened with nuts and bolts or may use wing nuts 7 clipped into brackets 8. Water is pumped up to an inlet valve 6, or an upper storage tank, which may also connect to the water mains and building water storage 14. The water travels through the cavity created by the double wall structure keeping the interior of the safety chute relatively cool, but if the water temperature in the safety chute rises above certain level then the warm water may be released out of the system. In case of power failure valve 2 can be opened on a slow drain out creating a water system whereby cold water will enter the system through the connection with the water mains or the building water storage.
Description
Water cooled Safety Chute.
The invention relates to emergency safety chute slide down.
There are many situation in which people get trapped, such as fire, earth quake, and any other disastrous and unforeseen situation where all the exit escape routes are blocked or are too dangerous to go down, therefore the only option will be to slide (5') down a water cooled safety chute, or perhaps be the first option being the fast way of getting to the ground and out of danger.
The invention seeks to provide a relatively cool, comfortable, safe and fast slide down to the safe level or all the way down.
According to one aspect of the invention there is provided a double wall cavity water filled safety chute with spring biased entrance I exit door on each and every floor of the building, a water inlet valve at the top safety chute and a water outlet valve at the bottom of the safety chute, a water pump, a water circulation pipe, a water release valve, a ventilation eiit, a cooling chamber, safety chute upper water storage tank (IOI which is also connected to the building water storage tank and the safety chute lower water storage tank.
The safety chute is joined by water tight joints on each floor starting from the basement or the ground floor extending all the way to the desired height, having left or right turn loops at the desired angle and the distance between each loop.
/ \ Advantageously in low rise buildings such as houses, offices, stadiums, schools, U hotels, a double wall running water safety chute connected to the building water storage tank and electric pump, will keep the water circulating by switching the onloff button manually and if for unforeseen reason a power failure occurs then simply release the water release valve situated at the bottom of the safety chute creating a water in / out system.
A fully automatic system with sensors for all high rise building where upon opening any door on any floor will trigger the whole apparatus into action simultaneously such as inflating air cushion platform in the basement or the ground floor, blowers blowing (ocO) cold and fresh air into the chute, chimney vents open, cooling system on, water pump on, creating a complete circulation keeping the interior of the safety chute relatively cool and comfortable even in extremely high temperatures, and if the water in the safety chute starts to get warmer or above certain degrees, the water release valve at the bottom of chute will open releasing the warm water out of safety chute at the same time fresh cold water from the mains and building water storage tank will enter into the system in the safety chute upper storage water tank.
Advantageously the safety chute for high rise buildings will be at least triple wall having water cavity and liquid set insulation, or a quadruple wall cavity having insulation on both sides of the water cavity and further heat resisting material can be added on the outside exterior surface of the safety chute. The joints on this chute will (2) have nuts, bolts, and washers to tighten the upper section with flange sitting into the lower countersunk section as will be the water nozzles sitting into countersunk holes.
A special float valve can be screwed into the entire safety chute nozzles which will (5) prevent the water pouring out if a certain section of the chute needs replacing.
Advantageously each section will fit within one floor with the joint either below the ceiling or above the ceiling through a cut out hole or open plan space area. The chute section will be moulded out of heat resisting nylon, rubber, plastic material in a single piece or number of pieces joined together, or metal fabricated and welded together, or even each single loop joined together with a door loop piece placed at the right level for easy entry into the chute.
Advantageously the safety chute will include at least one electrical cables system and at least one fibre optic system linked to all the sensors and all functional devices.
The safety chute connected to the water mains or building storage tank can have just one on/off water release valve within a convenient location on ground floor, in the basement or even in the reception area of a hotel, and for safety reasons one onloff water release valve outside the building to create a in!out watcr flow in the safety chute by releasing the water slowly out into the drainage system, while at the top fresh water is entering into the safety chute from the water mains and the main building storage tank.
(r 5') Advantageously the water release valve at the bottom of the safety chute is the most essential past of the apparatus for creating water in / out system in case of power failure, for cooling down the safety chute by releasing water out, and by closing the top water inlet valve all the water from safety chute canbe drained out for repairs.
Advantageously in a emergency one can slide straight down to any one of the safer floor below or all the way down, or one can use a little trolley with a pull up lever for braking and slowing down, or a special lithe mat with rubber strips on both ends for pressing down on them will act as braking and slowing down. (go')
Advantageously for slowmg down towards the lower end of the safety chute the loops can be set at lower degree angle, also to further reduce the speed of decent the interior surface of the last section can be rubber compound coated.
Advantageously this apparatus of the water cooled running water safety chute will save a lot of lives in the future even in a two storey house having just one section of the safety chute.
Advantageously the shape, size, design, angle, length, breath, width, and the distance between each loop, level of turning circle, angle of turning circle, amount of space available, manufacture of each section and the process of delivering to the site and erecting one section at a time will determine the final product. (3)
Advantageously the invention seeks to have a water cooled running water safety chute and the water circulating continuously up and down through the chute at all times in a (5) emergency situation, thereby keeping the interior of the safety chute relatively cool at all times.
Embodiments of the invention will now be described by way pf example, with reference to the accompanying drawings, wherein: Figures la -care schematic views of the embodiment; Figures 2a -j are schematic views of the embodiment joined up and extending; (It) Figure la shows one section of the water filled safety chute in accordance with the invention. The apparatus includes a one section chute 1, water release valve 2, circulation Outlet valve 3, water pipe 4, chimney vent 5, circulation inlet valve 6, wing nut 7, clipper 8, bottom half of the joint 9, upper half of the joint II, rubber seal 10, securing brackets 12, slide out loop 13, water mains and building water storage supply 14, entrance I exit door 15, ceiling hole 16, floor 17, ceiling 18, ground floor 19, electric water pump 37.
()s) Figure lb, shows flange 20, countersunk flange sit in 21, water nozzle 23, countersunk nozzle sit in 22.
Figure Ic, shows right hand loops one section chute 1, extended door entrance ISa.
Figure ld, shows a triple wall joint with one cavity figure le, filled with water 24, and the second cavity filled with liquid set insulation 25.
Figure 1 e, shows the top chute section sliding into bottom chute section, when ifihly tight will create flush joint in the interior sliding surface and a water tight joint.
Figure 2a shows safety chute assembly for high rise buildings having quadruple wall chute sections joined together extending to any height required with a ifilly automatic water circulation system with a top water tank 31, chimney pipe 32, water flange 33, cooling system 34, water drain out pipe 35, bottom water tank 36, water pump 37, air cushion landing platform 38, slide out 39, basement 40, fresh air blower fans 42.
Figure 2b shows a door 15, floor resting handle 29, downwards opening door spring * biased self closing hinge30.
* Figure 2c is showing side way opening hinge 30.
Figure 2d shows a sliding trolley 28, with lever pull up brake 26.
Figure 2e shows a sliding mat 27, with rubber strips 26a, to press down for braking. ()
Figure 2f, 2g. and 2h, shows a quadruple wall safety chute joint assembly with bolts 42, washers 43, and nuts 44, and extra strength flange to the joint.
Figure 2 I, shows water stop valve assembly 41, screwed into the water holes.
Figure 2j shows one ioop slide out or slide in, if only single section is to be used such as a two storey house. (4)
A safety chute with water running down between the cavity of the inner and outer wall of the chute providing a relatively cool interior even in extreme heat and high temperature on the outside. Further cavity walls and liquid set insulation added on making the safety chute even more heat resisting by adding on further fire resistance material to the outer surface of the safety chute.
Starting from basement or the ground floor each one chute section 1, will be joined to next section on the first floor and then to the second floor and all the way up to required height creating it into one single slide chute all the way down. Each section having a entrance / exit door 15, on every floor allowing a person to exit / enter on any JOi One of the safer floors below in a emergency.
Safety chute sections 1, joined together with each lower section 9, joined with each upper section 11, with a flange 20, sitting inside 21, and water nozzle 23, sitting inside 22, and a rubber seal 10, in between the two sections tightened by wing nut 7, to the clipper 8, thereby joining further sections securing the sections to the building walls by holding brackets 12, and securing the hole cut out 16, between ceiling 18. and the floor above 17, or simply securing all the way up with a cut out hole or without the cut out hole, the safety chute being open plan each section sitting on each other all the (is') way up secured by special brackets. The joint can be just below the ceiling with door 15, above on the floor or the joint and door on the floor 17, and joining further sections and the circulation pipe 4, from the bottom of the safety chute outlet valve 3, through the water pump chamber 37, to the desired height and connecting straight to the inlet valve 6, or the safety chute water tank 31, to which the water mains and the building water storage tank 14, are joined at the top of pipe 4, the upper inlet on/off valve 3, is turned on and left in a on position at all times as will be the lower outlet valve 3, once all the pipes are connected to a complete water circulation pipe line 4, all on/off valves 3, are left in a on position so that the whole system fills up with water and the water pump 37, is connected electrically to a switch within easy reach of (okO) every one at a convenient place inside and the outside of the building operated manually, and in case of power failure or any unforeseen reason then open the water release valve 2, manually situated at bottom of the safety chute allowing the water to drain out which in turn will allow the water entering from the mains water supply and the building water storage tank 14, into the safety chute, as will be the case if the water temperature starts to rise above certain level in the safety chute and for draining the safety chute or a particular section, of the safety chute if screw on stop valves 41, are applied to the system. Each section of the safety chute will have a vent 5, and the section right at the top of the safety chute will have a chimney stack pipe 32, way above the building to blow out any dangerous fumes and smoke with fans 42, at the bottom of the chute blowing fresh air into the interior of the chute. (5)
Water cooled triple wall safety chute with one cavity filled with water 24, and second cavity filled with liquid set insulation 25, ora quadruple wall safety chute in all high (5) rise buildings will have a completely automatic system with sensors connected to all functional parts in the entire safety chute connected by fibre optic cables circuit and electrical cables circuit.
Open a safety chute door 15, on any one of the floors in the entire building and the whole system will trigger automatically into action mode opening the all the water valves starting the flow of water from the safety chute top water storage tank 31, into the water flange connected to the chute 33, chimney vent open 32, into the cooling cha bet 34, into the bottom water storage tank 36, from here the water enters the water pump chamber and the water pump 37, starts pumping water up the water pipe 4, all the way back to the top water storage tank 31, which is connected to the water mains and main building water storage tank 14, thereby a complete water circulation, air cushion platform inflated 38, blower fans on 42, drain pipe 35, all valves can be operated manually to keep the water flow going from the water mains and the building water storage tank by releasing the water pressure out of the water release valve 2, into drain pipe 35, thereby creating a one way flow in / out system. When all doors 15; are closed automatically by spring loaded closing hinges, the water flow will stop.
( 5") Water release valve 2, is the essential part of the apparatus performing three esential tasks; (1) A manually operated one way in/out system.
(2) If the water tempreature rises above certain degrees the water release valve 2, will automatically release warm water out of the safety chute while the fresh cold water enters the safety chute from top storage tank 31, being connected to the water mains and the building water storarge tank 14.
(;o') (3) The entire safety chute water can be drained out.
Figure 2b showing a downwards opening door 15, with a self closing spring biased hinge 30, and special shaped hanle 29, when flat on the floor will provide a perfect angle for a person to slide into the chute or using a trolley 28, or a mat 27.
(fl') Figure 2f, 2g, 2h, showing extra strong joint joinning top section 11, and bottom section 9, with rubber seal 10, in the middle, extra flange outside on 11, and 9, using Bolts 42, washers 43, and nuts 44, for fastening the two sections together.
Claims (1)
- Claims (I) A water cooled safety chute apparatus, comprising: a double wall structure having a interior wall and a exterior wall with cavity in the middle filled with water which will travel from the top safety chute water storage tank to the bottom safety chute water storage tank through the safety chute and pumped all the way up through the water pipe and back to the top water tank or direct to the inlet valve, creating a complete water circulation in the system and for additional cold water supply, the system is connected to the water mains and the building water storage facility.(2) Apparatus according to claim 1, each and every one section of the safety chute whether left turn slide loops or the right turn slide loops does have a water inlet valve, a vent, and a joining assembly at the top of each one section of the safety chute, and at the bottom of each one section of the safety chute, a water outlet valve, a water release valve, and ajoining assembly.(3) Apparatus according to claims I and 2, wherein each one section of the safety chute is a double wall construction having one cavity for the water, but can be any number of cavities filled with liquid set insulation or any heat resisting material.(4) Apparatus according to claims 1,2, and 3, wherein each one section of the safety chute is still a double wall construction, but the exterior surface of the safety chute is covered by heat resisting materials such as insulation, fire proof blanket material, spray coated insulation material, any material which will reflect the heat away from the safety chute.(5) Apparatus according to claims 1, 2, 3, and 4, the one each section of the safety chute is moulded out of heat resisting material such as nylon, plastic, rubber, fibre glass, or combination of synthetic fibres with rubber compound material, or metal fabricating and welding small sections together, or even a single loop joined together to make up each one section of the safety chute.(6) Apparatus according to claims 1, 2, 3, 4, and 5, wherein each one section of the safety chute does have a water circulation pipe connected from the bottom outlet valve to the top inlet valve of each one section or extended all the way up to the safety chute storage tank, or direct to the inlet valve, arid connected to the water mains and the building water storage tank.(7) Apparatus according to any one of the preceding claims, wherein the each one section will be joined to the next section on the next floor having the lip flange and water nozzles top section sitting into the countersunk bottom section with a heat resisting rubber seal in between the two sections making a water tight joint and extending the safety chute upwards floor by floor along with the water pipe.(8) Apparatus according to any one of the preceding claims, wherein the each one section will be secured to surrounding walls, floor, and ceiling by special swing out brackets, which are extendable to reach the nearest secure point to be screwed in, and both ends are pivotable to set the bracket at any angle.(9) Apparatus according to any one of the preceding claims, all the high rise buildings will have complete water circulation with upper and lower storage tanks, cooling chamber, water pump, air blowers, slide out loop, landing air cushioned platform, and a complete electrical circuit, fibre optic circuit, sensors, chimney stack pipe, entrance / exit doors, slide down trolley, slide down mat.(10) Apparatus according to claim 9, whereby opening a safety chute door on any one the floors in the building will activate whole system simultaneously such as the water pump on, blower fans on, landing air cushion inflated, chimney vents open, etc, etc, and as soon as the self closing doors are all closed, everything will stop.(11) Apparatus according to any one of the preceding claims, wherein a water release valve at bottom of the safety chute will allow the water to be released manually, thereby creating a im'out water flow system in case of power failure.(12) Apparatus according to claim 11, wherein a water release valve will be used to balance the temperature of the water circulating the safety chute by releasing any warm water out and the same time fresh cold water is entering the system from the water mains and the building water storage.(13) Apparatus according to claims 11, and 12, wherein with the water release valve the whole water system can be flushed out by closing all the top on/off valves to the safety chute for any repairs and maintenance.(14) Apparatus according to claims 11, 12, and 13, if a special water stop valves has been screwed in between the joints of two sections in the entire safety chute, only then it will be possible to drain any single section by water release valve and the section repaired or replaced.(15) Apparatus according to claim 11, 12, 13, and 15, a water release valve can be extended to any where convenient and easy to reach placç inside the building on the ground floor, or outside the building - (16) Apparatus according to any one of the preceding claims, a slow water release valve and the water supply direct from the water mains or the water storage tank will be sufficient for all low rise building such as a house, schools, hospitals, offices, hotels, stadiums, etc, etc, having in/out system in a emergency situation only.(17) Apparatus according to any one of the preceding claims, wherein each one section of the safety chute will have the angle of decent between 45 to 55 degrees, therefore same decent angle all the way down except last couple of section at lesser angle, and last section having a rubber compound coating to slow down towards the exit point of the safety chute.(18) Apparatus according to claim 17, wherein each one single section will have each loop set at a different angle starting at 55 degree angle and reducing down to 20 degree angle approaching the exit / entrance door to each floor indicated by a plurality of light elements, or clear markings indicating the floor number in a retro reflective material. This will be fast / slow / fast decent all the way down t& safety chute.AMENDMENTS TO THE CLAIMS HAVE BEEN FILED AS FOLLOWSClaims (1) A water cooled safety chute apparatus comprising: double wall structure with cavity filled with water circulating up and down from safety chute top tank to safety chute bottom tank connected to water mains and building water storage facility, keeping the Interior of the safety chute relatively cool in extreme temperature operable with power source to the pump and in case of power failure without power source having a one water inlet valve and one water outlet valve inside or outside the building at ground level and water release valve operated manually or automatically releasing warm water out of the safety chute if temperature rises above certain safety level, and for creating a slow drain in/out system, and for a complete drain out of one section or the entire safety chute.(2) Apparatus according to the claim 1, each and every one section of the safety chute whether left turn slide loops or right turn slide 1oops does have a water inlet/outlet valves, a vent, and a joining assembly, a door at the top end of each one section of the safety chute, and at the lower end of each one section of the safety chute, are water inlet/outlet valves, a water release valve, and a joining assembly, and or a door, and extended slide out loop or slide in housing.(3) Apparatus according to claims 1. and 2, wherein each section of the safety chute is a double wall construction having one cavity for water, but can be any number of cavities filled with liquid set insulation or heat resisting granules or any heat resisting material.(4) Apparatus according to claims 1, 2, and 3, wherein each one section or each loop of the safety chute is still double wall construction, but the exterior surface of the safety chute is covered by heat resisting material such as insulation, fire proof blanket, spray coated, and any material which wilt reflect heat away from the safety chute.(S) Apparatus according to claims 1, 2, 3, and 4, wherein each one section of the safety chute does have a water circulation pipe connected from bottom outlet valve to the top inlet valve of each one section which will extend all the way up to the safety chute top water tank which is connected to water mains and the building water storage tank.(6) Apparatus according to claims 1, 2, 3, 4, and 5, wherein each single loop is joined together making one each section which is joined to the next section on the next floor having a lip flange, water nozzles top section sitting into the bottom countersunk section with heat resisting rubber seal : * making a water tight joint extending upwards floor by floor along with the water pipe. * S* (7) Apparatus according to any one of the preceding claims, wherein each one section will be secured to surrounding walls, floor, and ceiling by special extendable swing brackets to the nearest :: secure point to be screwed in, and both ends of the bracket are pivot able to set at any angle.(8) Apparatus according to any one of the preceding claims, wherein a fully automatic system which will activate with sensors, fibre optic, electrical circuit, whereby opening a safety chute door on any IC.one of the floors In the building will trigger the whole system Into action simultaneously and stopping when all doors are closed.(9) Apparatus according to claim 8, wherein in all functional parts will automatically operate such as the pump on, cooling system on, chimney vents open, landing air cushion platform inflated, blowers on, water circulation on, all valves inlet/outlet on.10) Apparatus according to claim 9, wherein a water release valve will be used to balance the temperature of the water circulating the safety chute by releasing any warm water out of the safety chute, and at the same time fresh cold water is entering the system from the water mains and the building water storage facility.(11) Apparatus according to claims 9, and 10, wherein a water release valve at the bottom of the safety chute will allow the water to be released manually creating a in lout water flow system in case of power failure.(12) Apparatus according to claims 10, and 11, wherein with the water release valve in each section of the safety chute allowing water drain out from each one section of the safety chute or the entire safety chute can be flushed out by closing all the top inlet valves and opening all the outlet valves including water release valve for repairs and maintenance.(13) Apparatus according to claims 10, 11, and 12, wherein a water release valve can be extended to anywhere convenient and easy to reach place inside the building at ground level or outside of the building.S. *e - * (14) Apparatus according to all preceding claims, only if special water stop valves has been inserted and screwed in between thejoints of two interconnecting sections in the entire safety chute, only * . then it will possible to drain individual single section by the water release valve and the section repaired or replaced. S. S15) Apparatus according to all preceding claims, whereby a slow release from the water release valve and the water supply direct from the water mains or the water storage tank will be sufficient : .**. to have a complete water circulation in the entire safety chute. *.. S(16) Apparatus according to all preceding claim, wherein each one loop and each one section of the safety chute is moulded out of heat resisting material such as nylon, plastic, rubber, or metal fabrication and small sections welded together, or even a single loop by loop joined together to make up each one section of the safety chute.(17) Apparatus according to all preceding claims, wherein angle of decent for fast escape all the way down to the ground will be 45 to 55 degrees, having a rubber compound coating to slow down towards the exit point of the safety chute and a slide out loop.(18) Apparatus according to all preceding claims, whereby each loop, each section can be set at a different angle starting at 55 degree angle reducing down 20 degree approaching exit! entrance door to each floor indicated by plurality of light elements, or clear markings in retro reflective material having fast I slow / fast decent to safer floor below or all the way down.(19) Apparatus according to all preceding claims, wherein every room from first floor upwards will have entrance door with water cooled chute tunnel linking and merging into the main safety chute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1210193.7A GB2502828B (en) | 2012-06-08 | 2012-06-08 | Water cooled safety chute |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1210193.7A GB2502828B (en) | 2012-06-08 | 2012-06-08 | Water cooled safety chute |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| GB201210193D0 GB201210193D0 (en) | 2012-07-25 |
| GB2502828A true GB2502828A (en) | 2013-12-11 |
| GB2502828B GB2502828B (en) | 2014-05-14 |
Family
ID=46605668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1210193.7A Expired - Fee Related GB2502828B (en) | 2012-06-08 | 2012-06-08 | Water cooled safety chute |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB2502828B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111589007A (en) * | 2020-04-17 | 2020-08-28 | 湖南工程学院 | Weak electric device for intelligent place fire alarm |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108907520B (en) * | 2018-07-18 | 2020-10-13 | 合肥越之澜机电设备有限公司 | Device for preventing arc-shaped part from welding deformation |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2101054A (en) * | 1981-06-30 | 1983-01-12 | John Morris Kinnear | Emergency escape tower |
| US5209323A (en) * | 1992-07-23 | 1993-05-11 | Sherlene Hopkins | Interior fire escape chute for a building |
| EP0972542A1 (en) * | 1998-07-14 | 2000-01-19 | Cheng-Hsin Lin | Building emergency evacuation device |
| GB2342904A (en) * | 1997-01-21 | 2000-04-26 | Cerberus Res & Dev Inst Inc | Emergency evacuation system |
| US6467575B1 (en) * | 2001-12-05 | 2002-10-22 | Lian-Chen Chen | Collapsible spiral-tube escape way |
| US20030116381A1 (en) * | 2000-01-10 | 2003-06-26 | Gomes Junior Jason De Carvalho | Helical ramp life-preserver |
| US20030136608A1 (en) * | 2002-01-23 | 2003-07-24 | Ray Gunthardt | Escape system |
| CN1714886A (en) * | 2004-06-30 | 2006-01-04 | 于建平 | Multifunction fire fighting (entertainment) safety slide |
-
2012
- 2012-06-08 GB GB1210193.7A patent/GB2502828B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2101054A (en) * | 1981-06-30 | 1983-01-12 | John Morris Kinnear | Emergency escape tower |
| US5209323A (en) * | 1992-07-23 | 1993-05-11 | Sherlene Hopkins | Interior fire escape chute for a building |
| GB2342904A (en) * | 1997-01-21 | 2000-04-26 | Cerberus Res & Dev Inst Inc | Emergency evacuation system |
| EP0972542A1 (en) * | 1998-07-14 | 2000-01-19 | Cheng-Hsin Lin | Building emergency evacuation device |
| US20030116381A1 (en) * | 2000-01-10 | 2003-06-26 | Gomes Junior Jason De Carvalho | Helical ramp life-preserver |
| US6467575B1 (en) * | 2001-12-05 | 2002-10-22 | Lian-Chen Chen | Collapsible spiral-tube escape way |
| US20030136608A1 (en) * | 2002-01-23 | 2003-07-24 | Ray Gunthardt | Escape system |
| CN1714886A (en) * | 2004-06-30 | 2006-01-04 | 于建平 | Multifunction fire fighting (entertainment) safety slide |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111589007A (en) * | 2020-04-17 | 2020-08-28 | 湖南工程学院 | Weak electric device for intelligent place fire alarm |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2502828B (en) | 2014-05-14 |
| GB201210193D0 (en) | 2012-07-25 |
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|---|---|---|---|
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20160608 |