EP0983776A1 - Sicherheitssystem für den Bau - Google Patents

Sicherheitssystem für den Bau Download PDF

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Publication number
EP0983776A1
EP0983776A1 EP99306988A EP99306988A EP0983776A1 EP 0983776 A1 EP0983776 A1 EP 0983776A1 EP 99306988 A EP99306988 A EP 99306988A EP 99306988 A EP99306988 A EP 99306988A EP 0983776 A1 EP0983776 A1 EP 0983776A1
Authority
EP
European Patent Office
Prior art keywords
bag
building
segments
safety apparatus
bags
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.)
Granted
Application number
EP99306988A
Other languages
English (en)
French (fr)
Other versions
EP0983776B1 (de
Inventor
Stephen William Cox
David John Norman
Colin William Hutchinson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Airmat Safety Products Ltd
Original Assignee
Airmat Safety Products Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10838185&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0983776(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Airmat Safety Products Ltd filed Critical Airmat Safety Products Ltd
Publication of EP0983776A1 publication Critical patent/EP0983776A1/de
Application granted granted Critical
Publication of EP0983776B1 publication Critical patent/EP0983776B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/32—Safety or protective measures for persons during the construction of buildings
    • E04G21/3204—Safety or protective measures for persons during the construction of buildings against falling down
    • 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
    • A62B1/22—Devices for lowering persons from buildings or the like by making use of jumping devices, e.g. jumping-sheets, jumping-mattresses
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/32—Safety or protective measures for persons during the construction of buildings
    • E04G21/3261—Safety-nets; Safety mattresses; Arrangements on buildings for connecting safety-lines
    • E04G21/3271—Safety mattresses

Definitions

  • the present invention relates to building safety systems, and more particularly to safety systems for protecting workers working at elevated heights.
  • the main object of the present invention is to provide a safety device which reduces the risk of injury from falls inside a building being constructed.
  • the invention provides safety apparatus for use in building construction comprising pump means and bag means inflatable thereby to provide a substantially level surface to cushion a worker falling thereon.
  • the bag means comprises a rectangular bag having internal dividers and valve means for controllably coupling the segments together.
  • the bag, or the segments thereof, preferably has internal bracing for shape control.
  • Means for coupling bags together are preferably provided, such means comprising pneumatic coupling means and mechanical linking means.
  • the device preferably also has cover means for covering the coupled bags.
  • Alarm means for indicating over- and/or under-pressure may be provided.
  • this device can also be used in other situations, eg the maintenance or repair of the interiors of buildings, or even adjacent to the outside of buildings and similar structures.
  • the invention provides a method of protecting workers on elevated portions of a building comprising providing inflated bag means in the interior of the building or parts thereof and/or adjacent the outside of the building or parts thereof.
  • the device comprises an inflatable bag 10 which is fed by an air pump 11.
  • the bag is primarily intended for use in the interior of partially built buildings, where it will placed in a room which is defined by partially or fully built walls.
  • a ground sheet of protective material is preferably first laid over the floor of the room, to protect the bag from damage (eg abrasion) from roughnesses on the floor, articles on the floor, small projections through the floor, etc, and the bag is laid out in the room in the deflated condition.
  • the pump 11 is then connected to the bag, which is thereby inflated.
  • a cover sheet is preferably placed over the bag, either before or after inflation.
  • the bag has a height of around 1.5 m when inflated. If a worker working on the building in the region above the bag should accidentally fall, they will land on the bag, which will cushion their fall and reduce or prevent injury.
  • the bag will typically be inflated to a pressure of a few psi (20 kPa), preferably 1-2 psi (20-40 kPa). This is somewhat greater than required to ensure virtually no injury to a worker falling from a height of a few metres and landing flat (prone or supine), and should largely ensure safety for workers falling awkwardly (eg at awkward angles or head first).
  • the bag is not intended to be perfectly air-tight. Further, it will be liable to be damaged, eg by heavy pointed tools which may be dropped on it. After the bag has been inflated, therefore, the air pump 11 will normally be kept running permanently, to maintain the inflation of the bag. To control the forces on the walls of the room, it may be desirable to control the pressure in the bag. This may be done by manually reducing the pump speed and power once the bag reaches the intended pressure, by providing a pressure relief valve which limits the pressure, or by providing a pressure sensor which controls the pump.
  • further bags in other rooms may be driven from the same pump 11, by providing junctions 14 and further branches 15 in the outlet pipe from the pump.
  • One-way valves are preferably included in the piping and/or entry points to the bags if this is done.
  • the size of the bag 10 can conveniently be around 5 ⁇ 7.5 m, and it can therefore be used in a room of up to that size. For smaller rooms, the bag can be used without change. However, using the bag in that way in a smaller room will result in the top (and bottom) surfaces of the bag bulging greatly. This effect can be reduced by providing the bag with internal bracing elements connected between the top and bottom surfaces, but folding into substantial hills and valleys will still occur. To reduce this effect, the bag is therefore divided internally into 3 ⁇ 5 segments, as indicated. These segments are connected to each other by means of valves which can be manually opened or closed. The effective size of the bag can therefore be adjusted to match the size of the room it is to be used in.
  • the bag is shown as divided into 3 rows of 5 segments per row.
  • the segments are shown as all of the same size, which will therefore be around 1 ⁇ 2.5 m. It may however be desirable for the segments to be of different sizes. There may for example be a large central segment, with say 3 narrow segments of say around 0.25 m width on one side and 2 or 3 medium segments of say around 1 m width on its other side. By closing off suitable combinations of narrow and medium segments, the width of the bag may thus be adjusted in 0.25 m steps over a total range of 3 or 4 m.
  • the bag may similarly have narrow and medium segments along its other sides to adjust its length. (This may involve further small square and rectangular segments at the corners.)
  • the bag has internal vertical bracing elements in at least the larger segments, to keep its upper surface reasonably flat. This will also keep the lower surface reasonably flat.
  • the flatness of the lower surface is not so important as the flatness of the upper surface, but both surfaces should be reasonably flat, to reduce bounce when a worker falls on the bag.
  • These bracing elements may be in the form of sheet material (with holes cut out so that air can move freely in each segment), or straps or rope-like ties.
  • Horizontal bracing elements can similarly be provided in one or both directions to hold the sides of the segments reasonably flat in the vertical plane. It is the outside walls of the outermost inflated segments of the bag whose bulging may need to be controlled or limited; the shape of the divisions between inflated segments inside the bag are not of particular interest (and will tend to be flat anyway).
  • the outer parts of the top of the bag may be slightly higher than the main body of its upper surface. This can be achieved by making the outer segment along each side of the bag slightly higher than the other segments, and by segment coupling means which allow the innermost and outermost segments to be inflated but allow desired intermediate segments to be closed off and left uninflated.
  • the outer segments may also be designed to be slightly wider, ie wedge-shaped, so that they are slightly wider at the top than at the bottom.
  • the bag as so far described is adapted for use in rectangular rooms.
  • the bag may be adjusted to match the maximum dimensions.
  • the small bags may be rectangular, as shown, or other shapes.
  • the mechanical coupling means may have any convenient form, typically consisting of male and female elements such as such as hooks and eyes, or may comprise short straps and buckles.
  • Fixing means may be provided for fixing the cover in place; such fixing means may be similar to the coupling hooks for coupling bags together, or the coupling hooks may also be used as cover fixing means.
  • cover strips may be used which can be fixed along the joins between bags or across uninflated segments.
  • the fixing means may be of the hook and eye material type.
  • the main bag assembly is chosen or adjusted to be slightly smaller than the room, it may be convenient to use a border bag, placed around the border or periphery of the main bag assembly (the main bag 10, together with any auxiliary bags 11) to fill in any gap between the main bag assembly and the walls of the room.
  • the border bag will be placed at the top edge of the main bag assembly, preferably being attached to fixing points part way down the sides of the main bag assembly or along the bottom edges of that assembly, eg by suitable straps.
  • the border bag will preferably be profiled to protrude above the general surface level of the main bag assembly and to have its upper surface sloping downwards towards the main bag assembly.
  • the cover or cover strips may also be used to cover the join between the main bag assembly and the border bag.
  • Alarm means may be provided for indicating loss of pressure in the bag.
  • a whistle may be used, in conjunction with a pressure valve which closes if the pressure exceeds the lower safe limit. This may be connected in series with a control valve which can only be opened slowly. When the bag is being inflated, the control valve will be closed. The control valve will be manually opened when the bag is fully inflated; as the control valve opens, so the pressure at its outlet will rise slowly, and the whistle will sound briefly before the pressure rises to the point at which the pressure valve closes. This will prevent the whistle from sounding continuously while the bag is being inflated, but will provide a check on the operation of the alarm. (The alarm may be checked at any time by closing and re-opening the control valve.) Smilar alarm means may be provided for indicating excessive pressure.
  • Fig. 2 is a simplified sectional view of one end of the bag 10.
  • the bag is divided into 3 segments 20-22 by internal walls 23 and 24, which may be made of the same material as the outer walls of the bag.
  • These internal walls include valves 25, which can conveniently be around 100 to 150 mm in diameter.
  • One or more valves may be provided between each pair of adjacent segments.
  • Each valve may consist of a screw-threaded neck and a cap which can be screwed onto the neck to close the valve or unscrewed and removed from the neck to open the valve.
  • a cord preferably attaches the cap to the neck, so that the cap cannot become lost in the bag segment when the valve is opened.
  • the segment adjacent to the valve has a slot 26 in its surface as shown. This slot has a zip or the like to keep it normally closed, but can be opened to allow an operator access to the valve to open or close it.
  • Each segment also has an internal brace 27 which helps to keep its top and bottom surfaces from bulging excessively when inflated.
  • the braces 27 may conveniently be made of the same material as the outer walls of the bag, with a suitable number of holes 28 in them to ensure that there is no significant restriction on the distribution of air throughout the segment. These braces also control the bulging at the ends of the segments.
  • Horizontal braces may also be provided if desired, running across the segments. Such braces will have to be of the cord or strap type, passing through the holes 28 in the vertical braces 27.
  • Valves 30, similar to the valves 25, are provided at suitable points around the periphery of the bag 10.
  • One of these valves may be used as the air inlet from the pump 11.
  • Others may be used to couple auxiliary bags 12 to the main bag 10 (or to couple auxiliary bags together), using short lengths of connecting hose similar to the hose from the pump 11.
  • These outer valves may also be used to deflate the bag when it is being removed from the room.
  • the slots 26 may also be used for this purpose, and further similar slots (not shown) may be provided if desired.
  • the valves 30 may be of any convenient form, such as male and female press fit connectors, bayonet type connectors, all male press fit connectors with separate short double female coupling elements (or vice verse), etc.
  • External valves which are not used to couple two bags together or as feed valves must of course be closed off. This can be done by providing stop elements which can be attached to the valves, or by providing internal flaps in the bags which can be used to close off the valves similarly to the internal valves 25.
  • a row of fixing means 31 is provided around the top edge of the bag, for coupling bags together and/or fixing a cover sheet over the bag or bags.
  • the fixing means may be of the spring hook type, so that they can be safely linked together but can easily be unlinked manually when desired.
  • Similar fixing means may be provided along the top and bottom of the bag opposite the internal walls 23 and 24, so that uninflated segments can be mechanically held collapsed and empty.
  • Fig. 3 shows a slightly modified form of bag 35, consisting of a single segment of generally rectangular shape.
  • Male connectors 36 are provided along one long top edge and an adjacent short top edge and the corresponding bottom edges; and female connectors 37 along the remaining top and bottom edges, for attaching the bags together.
  • the bag also has diagonal internal braces 38 to hold it in approximately rectangular shape when inflated.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Emergency Lowering Means (AREA)
  • Alarm Systems (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)
  • Rod-Shaped Construction Members (AREA)
  • Geophysics And Detection Of Objects (AREA)
EP99306988A 1998-09-02 1999-09-02 Sicherheitssystem für den Bau Expired - Lifetime EP0983776B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9819070.5A GB9819070D0 (en) 1998-09-02 1998-09-02 Building safety system
GB9819070 1998-09-02

Publications (2)

Publication Number Publication Date
EP0983776A1 true EP0983776A1 (de) 2000-03-08
EP0983776B1 EP0983776B1 (de) 2002-12-11

Family

ID=10838185

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99306988A Expired - Lifetime EP0983776B1 (de) 1998-09-02 1999-09-02 Sicherheitssystem für den Bau

Country Status (5)

Country Link
EP (1) EP0983776B1 (de)
AT (1) ATE229358T1 (de)
DE (1) DE69904410T2 (de)
ES (1) ES2190816T3 (de)
GB (1) GB9819070D0 (de)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2397847A (en) * 2003-01-29 2004-08-04 Safety Arrest Solutions Ltd Safety Cushion
GB2404415A (en) * 2003-07-28 2005-02-02 Mark Andrew Nattrass Inflatable support, e.g. for use during building
EP1514982A1 (de) * 2000-10-03 2005-03-16 Soft Landing System Ltd. Aufprallaufnahmeeinheit
GB2414268A (en) * 2004-05-21 2005-11-23 Soft Landing System Ltd Unit for absorbing impact of a falling person
WO2005113919A1 (en) * 2004-05-21 2005-12-01 Soft Landing System Ltd An impact-absorbing unit
GB2417282A (en) * 2004-08-17 2006-02-22 William Robson Hollow impact absorbing units to arrest fall from height
WO2006103473A1 (en) 2005-04-01 2006-10-05 Airtek Safety Ltd Vehicle safety system
US7900747B2 (en) 2005-12-23 2011-03-08 Mordechai Issac Guralnik Balloon landing pad
CN102872549A (zh) * 2012-10-26 2013-01-16 哈尔滨工业大学 可移动快速充气的救生气垫
CN103357126A (zh) * 2013-07-10 2013-10-23 西安交通大学 一种折叠型抗震庇护装置
CN105169578A (zh) * 2015-08-07 2015-12-23 无锡市悦丰化工有限公司 一种化工厂用消防救生车
CN105963875A (zh) * 2016-05-24 2016-09-28 杨燕 用于电厂的高空作业安全带悬挂装置
CN105963874A (zh) * 2016-05-24 2016-09-28 高群 一种输电塔杆上的防坠落装置
GB2540366A (en) * 2015-07-11 2017-01-18 Metcalf David Fall arrest system
CN112587815A (zh) * 2020-12-03 2021-04-02 湖北文理学院 一种坠楼检测及救援系统
CN115645774A (zh) * 2022-09-27 2023-01-31 湛江港（集团）股份有限公司 一种防脱落的装卸船用高安全性防坠网

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110758214B (zh) * 2019-11-22 2021-03-19 邳州辉腾经发建设有限公司 一种气囊追踪承接式应急救援车

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE450584C (de) * 1927-10-10 Otto Loertscher Sprungmatratze fuer Rettungszwecke
US2390955A (en) * 1945-02-15 1945-12-11 Arthur E Mcdonnell Fire escape
US2906366A (en) * 1957-12-20 1959-09-29 Specialties Dev Corp Body catcher
DE2302248A1 (de) * 1973-01-18 1974-07-25 Wolfgang Kutschera Rettungsgeraet zum auffangen abspringender oder abstuerzender personen
US3851730A (en) * 1973-08-30 1974-12-03 John T Scurlock Inflatable safety cushion system for controlled deceleration from falls of great height
FR2277600A1 (fr) * 1974-07-11 1976-02-06 Dupeyroux Roger Tremplin pneumatique gonflable destine au sauvetage des personnes en cas d'incendie ou de naufrage, servant aussi aux jeux aquatiques en etant une securite
DE3146771A1 (de) * 1980-12-24 1982-07-08 Veb Kombinat Technische Textilien Karl-Marx-Stadt, Ddr 9010 Karl-Marx-Stadt "sprungkissen fuer rettungszwecke"
US5150767A (en) * 1991-02-19 1992-09-29 Air Cruisers, Inc. Portable self-contained impact system
FR2691634A1 (fr) * 1992-05-26 1993-12-03 Henry Jerome Matelas à coussins d'air muni d'un cloisonnement intérieur.
DE9315692U1 (de) * 1993-10-14 1993-12-23 Frank, Hans-Albrecht, 01445 Radebeul Universalrettungsvorrichtung

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE450584C (de) * 1927-10-10 Otto Loertscher Sprungmatratze fuer Rettungszwecke
US2390955A (en) * 1945-02-15 1945-12-11 Arthur E Mcdonnell Fire escape
US2906366A (en) * 1957-12-20 1959-09-29 Specialties Dev Corp Body catcher
DE2302248A1 (de) * 1973-01-18 1974-07-25 Wolfgang Kutschera Rettungsgeraet zum auffangen abspringender oder abstuerzender personen
US3851730A (en) * 1973-08-30 1974-12-03 John T Scurlock Inflatable safety cushion system for controlled deceleration from falls of great height
FR2277600A1 (fr) * 1974-07-11 1976-02-06 Dupeyroux Roger Tremplin pneumatique gonflable destine au sauvetage des personnes en cas d'incendie ou de naufrage, servant aussi aux jeux aquatiques en etant une securite
DE3146771A1 (de) * 1980-12-24 1982-07-08 Veb Kombinat Technische Textilien Karl-Marx-Stadt, Ddr 9010 Karl-Marx-Stadt "sprungkissen fuer rettungszwecke"
US5150767A (en) * 1991-02-19 1992-09-29 Air Cruisers, Inc. Portable self-contained impact system
FR2691634A1 (fr) * 1992-05-26 1993-12-03 Henry Jerome Matelas à coussins d'air muni d'un cloisonnement intérieur.
DE9315692U1 (de) * 1993-10-14 1993-12-23 Frank, Hans-Albrecht, 01445 Radebeul Universalrettungsvorrichtung

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1514982A1 (de) * 2000-10-03 2005-03-16 Soft Landing System Ltd. Aufprallaufnahmeeinheit
GB2397847A (en) * 2003-01-29 2004-08-04 Safety Arrest Solutions Ltd Safety Cushion
WO2004067879A1 (en) * 2003-01-29 2004-08-12 Safety Arrest Solutions Limited Safety cushion apparatus
GB2397847B (en) * 2003-01-29 2006-05-10 Safety Arrest Solutions Ltd Safety cushion apparatus
GB2404415A (en) * 2003-07-28 2005-02-02 Mark Andrew Nattrass Inflatable support, e.g. for use during building
GB2414268A (en) * 2004-05-21 2005-11-23 Soft Landing System Ltd Unit for absorbing impact of a falling person
WO2005113919A1 (en) * 2004-05-21 2005-12-01 Soft Landing System Ltd An impact-absorbing unit
WO2005113918A1 (en) * 2004-05-21 2005-12-01 Soft Landing System Ltd A fall arrest unit
GB2417282A (en) * 2004-08-17 2006-02-22 William Robson Hollow impact absorbing units to arrest fall from height
WO2006103473A1 (en) 2005-04-01 2006-10-05 Airtek Safety Ltd Vehicle safety system
US7900747B2 (en) 2005-12-23 2011-03-08 Mordechai Issac Guralnik Balloon landing pad
CN102872549A (zh) * 2012-10-26 2013-01-16 哈尔滨工业大学 可移动快速充气的救生气垫
CN103357126A (zh) * 2013-07-10 2013-10-23 西安交通大学 一种折叠型抗震庇护装置
GB2540366A (en) * 2015-07-11 2017-01-18 Metcalf David Fall arrest system
GB2540366B (en) * 2015-07-11 2017-11-29 Metcalf David Fall arrest system
CN105169578A (zh) * 2015-08-07 2015-12-23 无锡市悦丰化工有限公司 一种化工厂用消防救生车
CN105963875A (zh) * 2016-05-24 2016-09-28 杨燕 用于电厂的高空作业安全带悬挂装置
CN105963874A (zh) * 2016-05-24 2016-09-28 高群 一种输电塔杆上的防坠落装置
CN112587815A (zh) * 2020-12-03 2021-04-02 湖北文理学院 一种坠楼检测及救援系统
CN115645774A (zh) * 2022-09-27 2023-01-31 湛江港（集团）股份有限公司 一种防脱落的装卸船用高安全性防坠网

Also Published As

Publication number Publication date
EP0983776B1 (de) 2002-12-11
ATE229358T1 (de) 2002-12-15
GB9819070D0 (en) 1998-10-28
DE69904410T2 (de) 2003-10-30
DE69904410D1 (de) 2003-01-23
ES2190816T3 (es) 2003-08-16

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