EP1491712B1 - Smoke or fire barrier - Google Patents

Smoke or fire barrier Download PDF

Info

Publication number
EP1491712B1
EP1491712B1 EP04076540.6A EP04076540A EP1491712B1 EP 1491712 B1 EP1491712 B1 EP 1491712B1 EP 04076540 A EP04076540 A EP 04076540A EP 1491712 B1 EP1491712 B1 EP 1491712B1
Authority
EP
European Patent Office
Prior art keywords
screen
barrier
edge
guide
elements
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.)
Not-in-force
Application number
EP04076540.6A
Other languages
German (de)
French (fr)
Other versions
EP1491712A3 (en
EP1491712A2 (en
Inventor
Andrew Paul Cooper
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.)
Individual
Original Assignee
Individual
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
Application filed by Individual filed Critical Individual
Publication of EP1491712A2 publication Critical patent/EP1491712A2/en
Publication of EP1491712A3 publication Critical patent/EP1491712A3/en
Application granted granted Critical
Publication of EP1491712B1 publication Critical patent/EP1491712B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
    • E06B9/08—Roll-type closures
    • E06B9/11—Roller shutters
    • E06B9/13—Roller shutters with closing members of one piece, e.g. of corrugated sheet metal
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/58—Guiding devices
    • E06B9/581—Means to prevent or induce disengagement of shutter from side rails

Definitions

  • the present invention relates to a smoke or fire barrier.
  • EP 0,412,714-A1 discloses:
  • Beaded strings comprising beads connected by means of threadlike cords are provided on both edges of a screen member attached to a roller sleeve of the roller screen unit, and are engaged slidably with guide grooves in guide grooves of a pair of guide groove members arranged on both sides of the screen member. This permits very smooth operations of drawing/expanding and winding/housing of the screen member, and facilitates the design and manufacture of the unit.
  • the object of the present invention is to provide an improved barrier of the type able to be deployed by unrolling from a roller better able to resist pulling away of its edges and adapted for provision of seals to improve smoke and fire retention performance.
  • a deployable from a roller or other deployment device comprising:
  • the effectiveness of the metallic elements in securing the edge of the screen decreases with their pitch. It is estimated that the pitch of the elements should be not more than ten times the dimension of the elements measured in the direction of the edge. Convenient pitch is five or less times this dimension.
  • a particularly convenient manner of providing the elements is as one half of a sliding clasp fastener, with the tape stitched on.
  • the pitch of the elements is twice their dimension along the edge, in this instance.
  • the guide is provided with a seal between its overhang and the metallic elements.
  • this incorporates intumescent material for assisting in sealing in the event of fire.
  • a barrier 1 has a smoke screen 2 wound before deployment on a roller 3. It has a bottom bar 4 weighing down the bottom of the screen and fixed edge guides 5. These are channels 6 fixed to the portal (not shown) to be closed by the screen. The channels have in-turned lips 7.
  • edges 11 of the screen have hems 12 with stitching 13 containing a series of steel balls 14 in lines 15.
  • the gap between the in-turned lips on either side of the screen is sufficient to allow the hemmed double thickness of screen material to pass freely along the guide.
  • the steel balls 14 are of a diameter considerably bigger than the gap, whereby the edges of the screen is captivated in the guides.
  • the screen edge 111 there shown has stitched 113 to it a tape 112 of a sliding clasp fastener, with crimped on teeth 114.
  • These are comparatively thinner than the balls and form a more compact roll.
  • their pitch is smaller and they provide a substantially continuous connection of the screen 102 to its guides 105, via in-turned lips 107.
  • the teeth being intended in their original purpose to inter-digitate with another series on another tape, are set at a pitch equal to twice their dimension along the length of the edge.
  • the gap G between the lips 107 is sufficient only to allow the tape 112 to slid freely along the guide.
  • the gap will be the same as the gap between the opposite sides of the guide lips of the clasp of a sliding clasp fastener using the same tape. This gap will allow only a very small air flow past the edge of the screen. When a pressure gap across the barrier pulls the tap against one of the lips, this air flow is decreased even more.
  • intumescent draught excluder seals 120 are provided with the guide on opposite side of the teeth.
  • the outside of the in-turned lips can be recessed 150 and provided on angled surfaces 151 with intumescent seals 152. This arrangement provides that differential pressure across the curtain bellies it firmly against the seal 152 on the low pressure of the barrier.
  • FIG. 7 A further variant not forming part of the present invention is shown in Figure 7 for a ball edge barrier, in which the guide is an extruded channel 205, with in-turned lips 251 similar to the lips 151.
  • the lips are continued 260 back inwards and have internal flanges 261.
  • the lips and the flanges are bevelled and both provided with resilient, intumescent seals 262 to provide added sealing against the passage of smoke and fire.

Description

  • The present invention relates to a smoke or fire barrier.
  • As smoke and fire barriers have become larger, the tendency for them to belly in use has increased. Bellying causes the edges to pull away from the portal which they are closing and any guide frame provided. The result is that fire and smoke can escape. This is undesirable.
  • EP 0,412,714-A1 discloses:
  • Beaded strings comprising beads connected by means of threadlike cords are provided on both edges of a screen member attached to a roller sleeve of the roller screen unit, and are engaged slidably with guide grooves in guide grooves of a pair of guide groove members arranged on both sides of the screen member. This permits very smooth operations of drawing/expanding and winding/housing of the screen member, and facilitates the design and manufacture of the unit.
  • The object of the present invention is to provide an improved barrier of the type able to be deployed by unrolling from a roller better able to resist pulling away of its edges and adapted for provision of seals to improve smoke and fire retention performance.
  • According to the invention there is provided a deployable from a roller or other deployment device, the barrier comprising:
    • a textile screen per se;
    • at least one edge guide for the screen and;
    • complementary formations at an edge of the screen and the edge guide
      wherein :
    • the barrier is a smoke or fire barrier;
    • the screen edge formations comprising a series of discrete metallic elements crimped to the edge of the screen or to a tape stitched to the edge of the screen and spaced therealong, the elements being thicker than the textile of the screen;
    • the edge guide formation comprising an over-hung longitudinal opening, between in-turned lips of the edge guide, sized to allow the textile of the screen or the tape to slide therein and to captivate the metallic elements;
    the arrangement being such that on deployment of the screen, the screen edge slides along the edge guide with the metallic elements sliding within the guide and securing the screen to the guide.
  • Normally the same screen and guide formations will be provided at both vertical - in use - edges of the barrier.
  • The effectiveness of the metallic elements in securing the edge of the screen decreases with their pitch. It is estimated that the pitch of the elements should be not more than ten times the dimension of the elements measured in the direction of the edge. Convenient pitch is five or less times this dimension.
  • A particularly convenient manner of providing the elements is as one half of a sliding clasp fastener, with the tape stitched on. The pitch of the elements is twice their dimension along the edge, in this instance.
  • Preferably the guide is provided with a seal between its overhang and the metallic elements. Conveniently this incorporates intumescent material for assisting in sealing in the event of fire.
  • To help understanding of the invention, a specific embodiment thereof will now be described by way of example and with reference to the accompanying drawings, in which:
    • Figure 1 is a general view of a barr i er NOT according to the invention;
    • Figure 2 is a scrap front view of a portion of an edge of a screen of the barrier and its guide;
    • Figure is a similar scrap view of an edge portion of a screen ACCORDING TO the invention;
    • Figure 4 is a plan view of the Figure 3 scrap;
    • Figure 5 is a view similar to Figure 3 of a varied screen edge;
    • Figure 6 is a view similar to Figure 4 of the variation; and
    • Figure 7 is a view similar to Figure 6 of a further variant however not forming part of the present invention.
  • Referring to Figures 1 & 2, a barrier 1 has a smoke screen 2 wound before deployment on a roller 3. It has a bottom bar 4 weighing down the bottom of the screen and fixed edge guides 5. These are channels 6 fixed to the portal (not shown) to be closed by the screen. The channels have in-turned lips 7.
  • The edges 11 of the screen have hems 12 with stitching 13 containing a series of steel balls 14 in lines 15. The gap between the in-turned lips on either side of the screen is sufficient to allow the hemmed double thickness of screen material to pass freely along the guide. However, the steel balls 14 are of a diameter considerably bigger than the gap, whereby the edges of the screen is captivated in the guides.
  • Providing the balls as a series of discrete elements allows the screen to be rolled on the roller 3, without excessive increase in the roller diameter due to elongate elements in the hem holding the hem away from the roller.
  • Turning on to Figures 3 & 4, and in accordance with the invention, the screen edge 111 there shown has stitched 113 to it a tape 112 of a sliding clasp fastener, with crimped on teeth 114. These are comparatively thinner than the balls and form a more compact roll. However, their pitch is smaller and they provide a substantially continuous connection of the screen 102 to its guides 105, via in-turned lips 107. The teeth, being intended in their original purpose to inter-digitate with another series on another tape, are set at a pitch equal to twice their dimension along the length of the edge.
  • The gap G between the lips 107 is sufficient only to allow the tape 112 to slid freely along the guide. Typically the gap will be the same as the gap between the opposite sides of the guide lips of the clasp of a sliding clasp fastener using the same tape. This gap will allow only a very small air flow past the edge of the screen. When a pressure gap across the barrier pulls the tap against one of the lips, this air flow is decreased even more. To further enhance sealing, intumescent draught excluder seals 120 are provided with the guide on opposite side of the teeth.
  • The invention is not intended to be restricted to the details of the above described embodiment. For instance, as shown in Figures 5 and 6, the outside of the in-turned lips can be recessed 150 and provided on angled surfaces 151 with intumescent seals 152. This arrangement provides that differential pressure across the curtain bellies it firmly against the seal 152 on the low pressure of the barrier.
  • A further variant not forming part of the present invention is shown in Figure 7 for a ball edge barrier, in which the guide is an extruded channel 205, with in-turned lips 251 similar to the lips 151. The lips are continued 260 back inwards and have internal flanges 261. The lips and the flanges are bevelled and both provided with resilient, intumescent seals 262 to provide added sealing against the passage of smoke and fire.

Claims (8)

  1. A barrier deployable from a roller or other deployment device, the barrier comprising:
    • a textile screen (102) per se;
    • at least one edge guide (105) for the screen and;
    • complementary formations (114) at an edge of the screen and the edge guide (107);
    characterised in that:
    • the barrier is a smoke or fire barrier;
    • the screen edge formations comprising a series of discrete metallic elements (114) crimped to the edge of the screen or to a tape (112) stitched to the edge of the screen and spaced therealong, the elements being thicker than the textile of the screen;
    • the edge guide formation comprising an over-hung longitudinal opening (G), between in-turned lips (7, 107) of the edge guide (5, 105), sized to allow the textile of the screen or the tape to slide therein and to captivate the metallic elements;
    the arrangement being such that on deployment of the screen, the screen edge slides along the edge guide with the metallic elements sliding within the guide and securing the screen to the guide.
  2. A barrier as claimed in claim 1, including a bottom bar (4) weighing down the bottom of the textile screen.
  3. A barrier as claimed in claim 1 or claim 2, wherein the same screen and guide formations are provided at both vertical - in use - edges of the barrier.
  4. A barrier as claimed in claim 1 or claim 2 or claim 3, wherein the pitch of the elements is not more than ten times the dimension of the elements measured in the direction of the edge.
  5. A barrier as claimed in claim 4, wherein the pitch of the elements is five or less times the dimension of the elements.
  6. A barrier as claimed in any preceding claim, wherein the elements are provided as one half of a sliding clasp fastener, with the tape stitched on.
  7. A barrier as claimed in any preceding claim, wherein the guide is provided with a seal (152) between its overhang and the metallic elements.
  8. A barrier as claimed in claim 7, wherein the overhang incorporates intumescent material for assisting in sealing in the event of fire.
EP04076540.6A 2003-06-12 2004-05-25 Smoke or fire barrier Not-in-force EP1491712B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0313587.8A GB0313587D0 (en) 2003-06-12 2003-06-12 Barrier
GB0313587 2003-06-12

Publications (3)

Publication Number Publication Date
EP1491712A2 EP1491712A2 (en) 2004-12-29
EP1491712A3 EP1491712A3 (en) 2007-04-04
EP1491712B1 true EP1491712B1 (en) 2014-08-06

Family

ID=27589951

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04076540.6A Not-in-force EP1491712B1 (en) 2003-06-12 2004-05-25 Smoke or fire barrier

Country Status (4)

Country Link
EP (1) EP1491712B1 (en)
ES (1) ES2515817T3 (en)
GB (1) GB0313587D0 (en)
PT (1) PT1491712E (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11512523B2 (en) 2017-03-27 2022-11-29 Cornellcookson, Llc Fire rated door

Families Citing this family (17)

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Publication number Priority date Publication date Assignee Title
ITPD20040039A1 (en) * 2004-02-16 2004-05-16 Progetto Tenda Spa ROLLER BLIND
WO2008101883A1 (en) * 2007-02-15 2008-08-28 Eric Hazan Anti housebreaking and/or blast proof flexible security roller blind or shade
GB0806117D0 (en) 2008-04-04 2008-05-14 Coopers Blinds Ltd Smoke curtain
BE1018258A5 (en) 2008-10-31 2010-08-03 Kestelyn Nv SCREEN DEVICE.
DE102009017073A1 (en) 2009-04-01 2010-10-07 Bos Gmbh & Co. Kg Roller blind system for motor vehicle, particularly sun shade roller blind system, comprises two guide rails, which are stretched in direction of extension direction
GB2471198A (en) * 2009-06-16 2010-12-22 Amyco Ind Doors Ltd Roller shutter with detachable portion
FR2953768B1 (en) * 2009-12-15 2012-11-23 Acs France Sas OCCULTATION DEVICE, VEHICLE AND METHOD OF MANUFACTURING THE SAME
BE1021505B1 (en) 2012-11-19 2015-12-03 Renson Sunprotection Screens Nv SCREEN DEVICE
DE102013216866A1 (en) * 2013-08-23 2015-02-26 Bernd Heydebreck Shutters, fire curtains and fire shutters
WO2016102933A1 (en) * 2014-12-23 2016-06-30 Ideas By Design Limited Guided screen system
DE102015108917C5 (en) * 2015-02-06 2023-10-26 Tortec Brandschutztor Gmbh GUIDE RAIL FOR SMOKE AND/OR FIRE PROTECTION CURTAIN AND SMOKE AND/OR FIRE PROTECTION CLOSURE PROVIDED WITH IT
DE202016100779U1 (en) * 2016-02-16 2017-05-17 Kgg Brandschutzsysteme Gmbh Side guide for a fire protection closure and a fire protection closure equipped with side guides
BE1024193B1 (en) 2016-05-09 2017-12-12 Renson Sunprotection Screens Nv SCREEN DEVICE
NL2016892B1 (en) * 2016-06-03 2018-01-12 Metaal En Kunststoffen Ind Snelder B V SCREEN DEVICE FOR A WAREHOUSE
US10780302B2 (en) * 2017-08-24 2020-09-22 Brandon West Fire containment system and methods of use thereof
EP3511489A1 (en) 2018-01-15 2019-07-17 Renson Sunprotection Screens NV Covering
US20230175551A1 (en) * 2021-12-08 2023-06-08 Cornellcookson, Llc Guide closing mechanism for fire shutters

Family Cites Families (4)

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Publication number Priority date Publication date Assignee Title
DE2706233A1 (en) * 1977-02-15 1978-08-17 Alten K ROLLER DOOR, ROLLER DOOR, BLIND O.DGL.
US5176194A (en) 1989-08-08 1993-01-05 Metaco Co., Ltd. Roller screen unit
ES2128886B1 (en) * 1994-06-21 2000-01-16 Ballester Miguel Ange Iglesias PERFECTED CLOSURE.
GB2327880B (en) * 1995-03-22 1999-08-25 Rasontec Nv Fire retardant curtain

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11512523B2 (en) 2017-03-27 2022-11-29 Cornellcookson, Llc Fire rated door

Also Published As

Publication number Publication date
GB0313587D0 (en) 2003-07-16
EP1491712A3 (en) 2007-04-04
ES2515817T3 (en) 2014-10-30
EP1491712A2 (en) 2004-12-29
PT1491712E (en) 2014-11-03

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