WO1999018303A1 - Procede d'ignifugation de tuyaux et conduits a combustibles - Google Patents

Procede d'ignifugation de tuyaux et conduits a combustibles Download PDF

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Publication number
WO1999018303A1
WO1999018303A1 PCT/US1998/020767 US9820767W WO9918303A1 WO 1999018303 A1 WO1999018303 A1 WO 1999018303A1 US 9820767 W US9820767 W US 9820767W WO 9918303 A1 WO9918303 A1 WO 9918303A1
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WO
WIPO (PCT)
Prior art keywords
frb
fire
pipe
heat
combustible
Prior art date
Application number
PCT/US1998/020767
Other languages
English (en)
Inventor
Adolf R. Hochstim
Jan Hochstim
Charles R. Eminhizer
Original Assignee
Hochstim Adolf R
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 Hochstim Adolf R filed Critical Hochstim Adolf R
Priority to AU10659/99A priority Critical patent/AU1065999A/en
Priority to EP98953237A priority patent/EP1042567A4/fr
Publication of WO1999018303A1 publication Critical patent/WO1999018303A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L5/00—Devices for use where pipes, cables or protective tubing pass through walls or partitions
    • F16L5/02—Sealing
    • F16L5/04—Sealing to form a firebreak device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/14—Layered products comprising a layer of metal next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/18—Layered products comprising a layer of metal comprising iron or steel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/02—Coating on the layer surface on fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/28—Multiple coating on one surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/101—Glass fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/306—Resistant to heat
    • B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2597/00—Tubular articles, e.g. hoses, pipes

Definitions

  • This invention is applicable to a fire-stop system for fireproofing combustible pipes (including conduits, tubings). Those pass from wall to wall, floor to floor and through fire rated walls or floors.
  • the present invention is also applicable to stopping fire propagated along burning combustible pipe and sealing the void in the through penetrations. Thus, the method prevents the passage of flames, smoke and fumes across the wall or floor.
  • the invention is applicable also to pipes with larger diameter than presently can be fireproofed.
  • the invention does not require restraining collars for intumescent materials to be mounted on walls, floors and ceilings.
  • Plastic pipes offer also unique advantage in transporting chemical corrosive gases and liquids, with operating temperatures below softening point of plastic pipes.
  • plastic pipes used in construction industry are made from solid core or cellular type polyvinyl chloride(PVC) and acrylonitrile butadiene styrene(ABS) , polyethylene(PE) , fire retardant polypropylene (FRPP) , chlorinated polyvinyl chloride (CPVC) etc.
  • PVC polyvinyl chloride
  • ABS polyethylene
  • FRPP fire retardant polypropylene
  • CPVC chlorinated polyvinyl chloride
  • the shatter plate must be greater than the pipe diameter, and that there may not be enough space for them in practical applications. Furthermore, hot shatters, unless insulated, may conduct heat and cause burning of the pipe on the other side of the wall or floor.
  • Method 2_ The other method proposed to use fire retardant pad, or refractory sleeve inserted in to burned pipe and activated by weight attached to a lever and plate, or pulley (patents 5,301,475, 5,421,127).
  • Method 3 Another method ( “Method 3 . ”) uses gates pressing on the pipe, activated by a tension spring(Patents 3,678,634, 3,726,050, 5,253,455).
  • the practical problem is that those mechanical devices may fail due to the corrosion, dirt, etc. after prolonged use in a moist and dirty surrounding. Those devices are also costly. Those devices were not listed as tested in USA by Underwriters Laboratories and are probably not in present use.
  • Intumescent fire-retardant material bounded by collar on one side, expands in one direction toward the center of the pipe filling the void left by the perimeter burned plastic pipe.
  • several such systems are ⁇ ing used now in the construction industry and are, for example listed in Fire Resistance Directory by Underwriters Laboratories. All pipes tested, are only for thickness of pipes with US trade designation : Schedule 40 [e.g. for the outside pipe diameters of 3.5 inches.(89 mm) the thickness is given as 0.216 inch(5.5 mm), for diameter 6.625 inch(168 mm) the thickness is given by 0.28 inc ⁇ (7 mm)]:.
  • the object of this invention is to present a completely new system of fireproofing of combustible, nonmetallic pipes passing between walls, between floors and through fire rated walls or floors, which for full coverage are still much less expensive than steel pipes and more durable for normal transport of corrosive chemicals.
  • HIB heat insulating blanket 4a
  • FRB fire resisting blanket
  • HIB could be spray coated on the inner surface, preferable on on both surfaces, with a thin layer (about 1 mm) of fire retardant, water based, heat absorbing paint, paste, or powder (see claim 16).
  • This type of FRB blanket when subjected to a temperature up to 927°C (1700°F) for one hour, up to 1010°C (1850°F) for two hours and up to 1051°C (1925°F) for three hours, in a standard testing oven, as used in U.S.A. for example by Underwriters Laboratories (UL) , is designed to keep the inside temperature of the pipe below the temperature at which it carbonizes (see Table I).
  • T hourly rating used in U.S.A., which are 181°C(325°F) above ambient temperature, i.e., about 200°C(400°C) for 1,2,3 and 4 hours.
  • Fire resistant blanket(FRB) 4 should be slightly loose to allow for small contraction of blanket material in the heat(e.g. 2 to 5%) and should be covered with thin sheet of protective weather cover ,1c, e.g. , by layer of fiberglass or aluminum or stainless steel foil. In covering large pipes about 1 inch (2.54 cm) in width should be added for the overlap for large pipes.
  • the FRB can be secured to the combustible pipe for an example with a stainless steel hose band clamps, ⁇ , or using 0.75 in. (19 mm) wide fiberglass filament tape and steel tie wire.
  • FRB can also incorporate existing fire retardant intumescent material 4d,4e, which could be a paint- like material, it should expand about 30 to 50 times by volume at approximately 140°C (248°F) and prefarable chemically binds the nitrogen-oxide and chlorine decomposition products released by PVC during its pyrolization, Thus, besides its fireproofing ability, such materials also suppresses the generation of toxic products usually formed during combustion of PVC.
  • Second layer of HTB can be added under the insulating layer as shown in FIG.l.
  • Another type of intumescent fire retardant material . 4d which exists and be used in FRB, specially inside wall or floor, when exposed to the temperature of 300°C (572°F) creates a voluminous foam through a carbonization reaction. This foam is fire resistant and a good heat insulator. The foaming increases volume several times.
  • Region I Fireproofing of Entire Length of Combustible Pipes and Conduits
  • Ceramic blanket like 3M Fire MasterTM(see Table I) cover plastic pipes and conduits and require for 1-2 hours fire protection thickness of 1-3 inches( 3.5-7.5 cm).
  • the fire protection is the passing of fire test in UL, or in a similar furnace, according to the time-temperatures specification given by ASTMS(UL263) .
  • ASTMS(UL263) for details see Appendix A.
  • the flame spread along the longitudinal dimension of plastic pipe according to the test specified by UL 910(NFPA 262) was 1.4 ft(42 cm) in 20 minutes.
  • FRB has additional properties, like heat absorption, much thinner, thus more flexible and therefore easily squeezable blanket can offer better and longer fire protection.
  • special firestops located at different distances from each other, along the length of plastic pipe, covered with FRB(see FIG.12).
  • the firestop are to consist, for example, from the following: steel clamp, then underneath in the following order: FRB, heat shrinking wrap, intumescent fire retardant wrap on the top of plastic pipe or conduit.
  • the other simpler option is to use steel clamp, FRB and intumescent wrap. This method can be used fort large plastic pipes.
  • the entire void(see 2 in FIG.2) inside fire rated walls or floors should be sealed around the fire resistant blanket, FRB, with tested and approved seals (see UL Directory) , (see 5_ in FIG. 3).
  • the seal can be rigid, cementitious, heat absorbing material, which absorbs heat and expands on curing making tight fit. It should be waterproof ⁇
  • the seal so installed (see 5 . in FIG 3) will prevent flames, heat, smoke and gases to pass to the other side of the wall or floor and will be resistant to over- pressure caused by the fire and water pressure from the fireman's hose.
  • the fire system of covering the combustible pipe, or conduit, in Region I and Region II offers complete fire protection to combustible pipes, for a continues operation (e.g. ,for up to 3 hours in fire) of any diameter, any thickness and any composition of combustible pipes.
  • the FRB blanket on each side of the wall or floor can be mounted to the floor or wall with a metallic anchor rings (see 6 in FIG.4 ) fastened to the floor or wall.
  • the blanket either continuos on or stops as in FIG. 4.
  • Region IA Near Wall or Floor. Sealing- of Burning Plastic Pipes with Squeezed FRB
  • the fire protection offered in Regions I and II, for entire length of combustible pipes is cheaper than using metallic pipes, but may be not practical in two cases: a. if the of cost of FRB is higher than two known closing devises, b. if in the case of fire there a is concern for a particular situation, that on the fire side some mechanical object falling on the pipe may break the pipe.
  • the last concern can be avoided by providing closing mechanisms near the walls, or floors (see FIGS.6-11, 13-16) , or in addition in several locations in Region (see FIG.12) for an extra safety for fully covered pipe.
  • Methods A-I we are proposing several new ideas for closing the FRB blanket, covering the heat softened plastic pipes, which are also applicable to larger than 10.75 in (27.3 cm) pipes-the currently largest plastic pipe which can be fireproof using collars and intumescent wraps.
  • the HSM type to be used is such that it should shrink by a factor of 2-3.
  • Raychem is making such HSM, with trade name of CPSM, also from radiation cross-linked polyolefin, as a wrap or as a tube. After squeezing FRB, the fire along the pipe will then encounter inside plastic pipe soft plastic material surrounded by FRB (see FIG.6a). For comparison in flattening FRB and pipe ( to be discuused later) the fire will encounter different situation (see FIG.7).
  • HSM heat shrink material
  • a variation is to place FRB 4 . on the outside (see FIG.8) with intumescent fire retardant 9a on the top of HSM 8a, which is on the top another layer of FRB (not shown in FIG.8) and on the top of plastic pipre 1 .
  • the HSM will shrink squeezing FRB and may burn among intumescent material .
  • a steel cable is passed on the top of FRB (on top of combustible pipe), preferably inside of cylindrical tube made from high temperature resistant ceramic material (see FIG.9, 10).
  • Weight 14 . is attached on one or both ends to a rope or cable ,or rope or cable is attached to retractive spring(FIG.lOb) .
  • a direct use of stretched springs may damage FRB, therefore we recommend covered following springs.
  • FRB blanket can be closed when pipe is soft from the heat by bending the pipe and FRB in upward pr to the side position.
  • the analogy is lifting n ⁇ i£3t ⁇ covered -with a robe and observing closure at the elbow position.
  • the closure can be made, for an example, by two springs. We had good result by fasting two spings at the same place one one steel clamp and similarily on the other side of the pipe to the same place on a second steel clamp.
  • Method G Temperature Activated Closure Device
  • Two flexible closure bars are permanently bend at each other end, the ends of left bar are bent to the left and the ends of the right bar are bent to the right.
  • a hinged clip At one end of each bar is attached a hinged clip.
  • the clip secures them and the hinged flap of the clip extends down the side of the bar not having the a clip attached.
  • the hinged flap is held in place by a bend made from a material which melts at a temperature where pipe will be softened. The bars then will squeez FRB and plastic pipe.
  • Method I Use of Spring Hose Clamp to Squeeze FRB and the Plastic Pipe
  • the hose spring is made from a heat induced elastic metal, which works like a spring or like a heat shrink(see Method A). It can be used on top of FRB which is on the top of plastic pipe, or on a thin layer of ceramic ahead of layer of FRB. Upon heating, the plastic pipe becomes soft and can be squeezed.
  • Method A with heat shrink material HSM apply also with the use of hose sping under a tension..
  • FRB-flexible, high temperature resistant, heat insulating blanket coated with fire retardant, heat absorbing paste or paint and sometimes with a layer of intumescent material
  • HSM-heat shrink wrap e.g. radiation cross-linked polyolefin
  • REGION I REGION IA REGION II all space between space near the void space inside wall to wall or fire rated wall or fire rated wall or floor to floor floor floor around the pipe see FIG. 2 see FIG.2 (see 3 . in FIG.2)
  • FIG.4a or powder in FRB with: mounting FRB 4 on (clasim 5_,6 .
  • HSM see 8a, FIGS. wall or floor (see 5, 6, 8, 12a, 15) FIGS.4b, c) (claim 3 )
  • FIG.lKclaim lib FRB and rigid e. springs and steel plate seal (claim 4)
  • FIG.l Cross section of fire resistant blanket (FRB) 4..
  • FIG.2 Combustible pipe(or conduit) 1 passes between walls or floors 2 ( Region I), inside of fire rated walls or floors 3. (Region II).
  • Region I close to the wall or floor is referred as Region IA.
  • FIG.3 Combustible pipe (or conduit)!, covered along entire length with fire resistant blanket A (FRB-see FIG.2) and penetrations inside wall or floor are sealed with fire seal 5 ) .
  • FIG.4. Use of FRB 4: near wall or floor and the fire seal 5 .
  • FIG.4a, 4b Method of attaching FRB 4 . to the wall and floor, for extra protection aga ⁇ nst movements.
  • FIG.5a, 5b, 5c Inmstallation of Heat Shrink Material MBSM, 8a.
  • FIG.5b MBSM wrap folded around the pipe with the sliding steel channel strip 8c.
  • FIG.5c MBSM wrap ⁇ a ⁇ completed around the pipe with FRB.
  • FIG.6a Use of heat shrink material (HSM) a, or other squeezable device on the top of fire resistant blanket (FRB) 4 . , on the top of combustible pipe 1 .
  • FOG.6b Exposed to the heat, 2a will shrink to 8b , the pipe with original diameter D will shrink to d.
  • the circle with AB indicates the cross section of the pipe at points AB.
  • the softened by heat plastic material ib_occupies one of possible forms.
  • FIG.7 Cross-section of flatened pipe with FRB between parallel plates. Fire is on the left.
  • FIG.8a The same as in Fig.6, except the fire resistant blanket(FRB) 4 .
  • FIG. 8b The same as FIG.8a after epansion.
  • FIG.9b The same on vertical pipe, by placing horizontal pipe covered with FRB.
  • FIG.9c Use of steel rope H inside of fire resistant, flexible tube to which is attached weight 14.
  • FIG.10 The same as in FIG.9c, but the rope is attached to a retractive spring 15.
  • FIG.11a Weights 14 attached to a steel cord , or weighted heavy chain 14a is fastened to a horizontal steel plate 12, mounted on each side of the wall 2 .
  • FIG. lib The same as in FIG.11a, different view.
  • FIG. lie Heavy chain 14a is mounted to the floor 2a or to a steel plate 16.
  • FIG.12a Examples of special fire stops for the entire length of plastic pipe (Region I and la) for a complete pipe's coverage with FRB.
  • FIG.12b The crossection for FIG. 12a.
  • FIG.13a Springs 12 are attached on the bolt 21 to two parallel steel plates ( with upper plate moving).
  • FIG.13b Close view of the bold 1 and spring 18.
  • FIG.13 c Heavy plate sliding down when plastic softens.
  • FIG.13d Close view of the bolt 2! and the srew 17.
  • FIG.14 Bending FRB and the soften from the heat plastic pipe by means of two heat resistant springs 12 and two steel clamps 2. Only one possible way is shown.
  • FIG.15 Use of hose clamp under tension 22 or HSM 8a for first closing plastic pipe, covered with thin HSM 4a,, in front of FRB 4., to be closed later by other means.
  • 4c thin insulation layer(e.g., fiberglass, or aluminum and stainless steel foil. 4d (optional) intumescent fire retarding layer(same as 9a) . 4e (optional) intumescent fire retardant layer, removing chlorine in burning CPV or CPVC pipe.
  • HSM heat shrink material

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Building Environments (AREA)

Abstract

La présente invention concerne un procédé d'ignifugation de tuyaux et conduits à combustibles de toutes tailles disposés entre des parois et des planchers ou les traversant. Le procédé est modifié pour des applications distinctes. Toute la longueur d'un tuyau ou conduit à combustibles (1) est couverte d'une couverture ignifuge (4). Cette couverture ignifuge est constituée d'une couche à isolation thermique (4a) inorganique, résistante à la température, et couverte d'un matériau thermo-absorbant (4b) résistant au feu. Pour les tuyaux de grandes dimensions, la couverture ignifuge est couverte de matériaux intumescents (4d) résistants au feu. Au voisinage de la paroi ou du plancher, un mécanisme de fermeture pour tuyau doit être posé au-dessus de la couverture ignifuge (4). Ce mécanisme de fermeture doit être rendu actif par le ramollissement du tuyau à combustibles en présence de chaleur en cas de feu. Un tel mécanisme peut être réalisé au moyen de matériau thermo-rétrécissant (8a), de divers poids (14, 14a) ou ressorts (15, 18a), y compris des colliers de serrage à ressort (20).
PCT/US1998/020767 1997-10-07 1998-10-03 Procede d'ignifugation de tuyaux et conduits a combustibles WO1999018303A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU10659/99A AU1065999A (en) 1997-10-07 1998-10-03 Methods of fireproofing of combustible pipes and conduits
EP98953237A EP1042567A4 (fr) 1997-10-07 1998-10-03 Procede d'ignifugation de tuyaux et conduits a combustibles

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US6128397P 1997-10-07 1997-10-07
US60/061,283 1997-10-07

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Publication Number Publication Date
WO1999018303A1 true WO1999018303A1 (fr) 1999-04-15

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Cited By (10)

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WO2008035976A1 (fr) * 2006-09-20 2008-03-27 Dalseide & Fløysand Group As Moyens de protection contre les incendies de tuyaux, de joints de tuyaux, de brides, de soupapes, de constructions isolantes et en acier
EP2402520A1 (fr) * 2010-07-01 2012-01-04 TECE GmbH Pare-feu pour siphon de sol
US20130095275A1 (en) * 2011-08-03 2013-04-18 Herbert Munzenberger Passive Fireproofing System for Pipelines
WO2016032340A1 (fr) * 2014-08-27 2016-03-03 Firesafe Energy As Couvercle de prévention d'incendie et d'explosions
US20160339278A1 (en) * 2015-05-22 2016-11-24 Jack F. KING, JR. Passive ductwork intumescent fire damper
JP2017180002A (ja) * 2016-03-31 2017-10-05 積水化学工業株式会社 中空構造の区画体における貫通部の防火構造
EP3299689A1 (fr) * 2016-09-21 2018-03-28 HILTI Aktiengesellschaft Composant ignifuge pour passage de conduite et procédé de fabrication d'un passage de conduite ignifuge
EP3299688A1 (fr) * 2016-09-21 2018-03-28 HILTI Aktiengesellschaft Composant ignifuge et procédé de fabrication d'un passage de conduite ignifuge
JP2019039517A (ja) * 2017-08-27 2019-03-14 未来工業株式会社 壁貫通箇所の配線・配管材固定構造、ｃ型鋼固定部材、及び壁貫通箇所への配線・配管材の配設方法
US10363443B2 (en) 2016-06-30 2019-07-30 Superposed Associates Llc Passive ductwork intumescent fire damper

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US4467577A (en) * 1980-05-29 1984-08-28 Minnesota Mining And Manufacturing Company Intumescent fire barrier material laminated with restraining layer
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Cited By (12)

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EP2402520A1 (fr) * 2010-07-01 2012-01-04 TECE GmbH Pare-feu pour siphon de sol
US20130095275A1 (en) * 2011-08-03 2013-04-18 Herbert Munzenberger Passive Fireproofing System for Pipelines
WO2016032340A1 (fr) * 2014-08-27 2016-03-03 Firesafe Energy As Couvercle de prévention d'incendie et d'explosions
US20160339278A1 (en) * 2015-05-22 2016-11-24 Jack F. KING, JR. Passive ductwork intumescent fire damper
US10323856B2 (en) * 2015-05-22 2019-06-18 Superposed Associates Llc Passive ductwork intumescent fire damper
US11105530B2 (en) 2015-05-22 2021-08-31 Superposed Associates Llc Passive ductwork intumescent fire damper
JP2017180002A (ja) * 2016-03-31 2017-10-05 積水化学工業株式会社 中空構造の区画体における貫通部の防火構造
US10363443B2 (en) 2016-06-30 2019-07-30 Superposed Associates Llc Passive ductwork intumescent fire damper
EP3299689A1 (fr) * 2016-09-21 2018-03-28 HILTI Aktiengesellschaft Composant ignifuge pour passage de conduite et procédé de fabrication d'un passage de conduite ignifuge
EP3299688A1 (fr) * 2016-09-21 2018-03-28 HILTI Aktiengesellschaft Composant ignifuge et procédé de fabrication d'un passage de conduite ignifuge
JP2019039517A (ja) * 2017-08-27 2019-03-14 未来工業株式会社 壁貫通箇所の配線・配管材固定構造、ｃ型鋼固定部材、及び壁貫通箇所への配線・配管材の配設方法

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EP1042567A1 (fr) 2000-10-11
AU1065999A (en) 1999-04-27

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