CA2319876A1 - Block for fire and smoke along a barrier penetrating member - Google Patents
Block for fire and smoke along a barrier penetrating member Download PDFInfo
- Publication number
- CA2319876A1 CA2319876A1 CA002319876A CA2319876A CA2319876A1 CA 2319876 A1 CA2319876 A1 CA 2319876A1 CA 002319876 A CA002319876 A CA 002319876A CA 2319876 A CA2319876 A CA 2319876A CA 2319876 A1 CA2319876 A1 CA 2319876A1
- Authority
- CA
- Canada
- Prior art keywords
- collar
- fire
- penetrating member
- barrier
- smoke
- 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.)
- Abandoned
Links
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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Building Environments (AREA)
Abstract
A fire and smoke block for use with a barrier penetrating member is formed by a rigid collar which is fittable over and lockable on the penetrating member and a collar lining which is made from intumescent material which rapidly expands when subjected to fire heat.
Description
BLOCK FOR FIRE AND SMOKE ALONG A BARRIER
PENETRATING MEMBER
FIELD OF THE INVENTION
The present invention relates to a fire and smoke block for use on a barrier penetrating member such as for example, a pipe which fits through a building floor or ceiling or wall.
BACKGROUND OF THE INVENTION
It has long been known by those skilled in the art that fire and smoke will move very rapidly between different areas in a building even when those areas are separated by barriers such as walls, ceilings and floors.
Typically these barriers are penetrated by things such as pipes, ducts, wires, etc. and the fire and smoke will travel along the outside of the penetrating member where it fits through a passage in the barrier. Accordingly it is important to provide some type of a fire and smoke block at the passage between the barrier and the penetrating member.
SUMMARY OF THE PRESENT INVENTION
The present invention relates to a fire and smoke block for use with a barrier penetrating member which is very easy to install and which is very efficient in operation.
More particularly the fire and smoke block of the present invention comprises a rigid collar which is fittable over and lockable on the penetrating member and collar backing means which is made from intumescent material that expands and seals the passage around the barrier penetrating member when subject to fire heat.
PENETRATING MEMBER
FIELD OF THE INVENTION
The present invention relates to a fire and smoke block for use on a barrier penetrating member such as for example, a pipe which fits through a building floor or ceiling or wall.
BACKGROUND OF THE INVENTION
It has long been known by those skilled in the art that fire and smoke will move very rapidly between different areas in a building even when those areas are separated by barriers such as walls, ceilings and floors.
Typically these barriers are penetrated by things such as pipes, ducts, wires, etc. and the fire and smoke will travel along the outside of the penetrating member where it fits through a passage in the barrier. Accordingly it is important to provide some type of a fire and smoke block at the passage between the barrier and the penetrating member.
SUMMARY OF THE PRESENT INVENTION
The present invention relates to a fire and smoke block for use with a barrier penetrating member which is very easy to install and which is very efficient in operation.
More particularly the fire and smoke block of the present invention comprises a rigid collar which is fittable over and lockable on the penetrating member and collar backing means which is made from intumescent material that expands and seals the passage around the barrier penetrating member when subject to fire heat.
BRIEF DESCRIPTION OF THE DRAWINGS
The above as well as other advantages and features of the present invention will be described in greater detail according to the preferred embodiments of the present invention in which;
Figure 1 is an exploded perspective view of one end of a pipe extending out of a passage through a building floor to receive a fire and smoke block according to a preferred embodiment of the present invention.
Figure 2 is a sectional view through the barrier and pipe of Figure 1 when fully assembled with fire and smoke blocks to either side of the barrier according to the preferred embodiment shown in Figure 1.
Figure 3 is an enlarged sectional view of the arrangement shown in Figure 2 under fire conditions.
Figure 4 is a perspective view of a fire and smoke block slightly modified from that shown in Figures 1-3.
Figure 5 is a sectional view of a duct fitted through a floor fitted with a fire and smoke block according a further preferred embodiment of the present invention.
Figure 6 is a top view of the arrangement shown in Figure 5.
DETAILED DESCRIPTION ACCORDING TO THE PREFERRED EMBODIMENTS
OF THE PRESENT INVENTION IN WHICH' Figure 1 shows a building barrier 1. This barrier could be a wall, a floor or a ceiling, i.e. any type of partition separating one area of the building from another.
The above as well as other advantages and features of the present invention will be described in greater detail according to the preferred embodiments of the present invention in which;
Figure 1 is an exploded perspective view of one end of a pipe extending out of a passage through a building floor to receive a fire and smoke block according to a preferred embodiment of the present invention.
Figure 2 is a sectional view through the barrier and pipe of Figure 1 when fully assembled with fire and smoke blocks to either side of the barrier according to the preferred embodiment shown in Figure 1.
Figure 3 is an enlarged sectional view of the arrangement shown in Figure 2 under fire conditions.
Figure 4 is a perspective view of a fire and smoke block slightly modified from that shown in Figures 1-3.
Figure 5 is a sectional view of a duct fitted through a floor fitted with a fire and smoke block according a further preferred embodiment of the present invention.
Figure 6 is a top view of the arrangement shown in Figure 5.
DETAILED DESCRIPTION ACCORDING TO THE PREFERRED EMBODIMENTS
OF THE PRESENT INVENTION IN WHICH' Figure 1 shows a building barrier 1. This barrier could be a wall, a floor or a ceiling, i.e. any type of partition separating one area of the building from another.
Barrier 1 includes a passage 3 which receives a barrier penetrating member which in the example shown in Figure 1, is in the form of a pipe 5. Passage 3 allows pipe 5 to extend completely through the barrier from one building area to the next.
Passage 3 provides a very easy flow path for smoke and fire between building areas. It is therefore very important to seal the passage off as a fire and smoke flow area. This achieved using a fire and smoke block made in accordance with the present invention.
In one embodiment of the invention as seen in figures 1 through 3 of the drawings the fire and smoke block comprises a collar 7 and collar backing 17 which fit over the pipe on each side of barrier 1.
Collar 7 is in the form of a rigid non-combustible plate-like member made from materials such as lightweight spring steel or the like. This plate-like member has different regions comprising a main flat body portion 9 surrounding a center opening 12 which is bordered by tongue portions 13 of the plate. Surrounding the main body portion 9 is a peripheral skirt 11 which is angled or flared relative to the main body of the plate. The flaring of the peripheral skirt adds substantially to the strength of the collar making it very resistant to any bending forces applied to the collar. In addition, skirt 11 acts as a trap or cover for the collar backing 17. This collar backing is made from an intumescent material which expands when subjected to heat such as that generated by fire.
Various different intumescent materials are well known to those skilled in this particular art. They can have many different constitutions of different types of materials.
However, a common trait of all intumescent materials is that they expand extremely significantly and very rapidly when subjected to excessive heat. Furthermore, they will withstand direct fire for extended lengths of time.
Passage 3 provides a very easy flow path for smoke and fire between building areas. It is therefore very important to seal the passage off as a fire and smoke flow area. This achieved using a fire and smoke block made in accordance with the present invention.
In one embodiment of the invention as seen in figures 1 through 3 of the drawings the fire and smoke block comprises a collar 7 and collar backing 17 which fit over the pipe on each side of barrier 1.
Collar 7 is in the form of a rigid non-combustible plate-like member made from materials such as lightweight spring steel or the like. This plate-like member has different regions comprising a main flat body portion 9 surrounding a center opening 12 which is bordered by tongue portions 13 of the plate. Surrounding the main body portion 9 is a peripheral skirt 11 which is angled or flared relative to the main body of the plate. The flaring of the peripheral skirt adds substantially to the strength of the collar making it very resistant to any bending forces applied to the collar. In addition, skirt 11 acts as a trap or cover for the collar backing 17. This collar backing is made from an intumescent material which expands when subjected to heat such as that generated by fire.
Various different intumescent materials are well known to those skilled in this particular art. They can have many different constitutions of different types of materials.
However, a common trait of all intumescent materials is that they expand extremely significantly and very rapidly when subjected to excessive heat. Furthermore, they will withstand direct fire for extended lengths of time.
By way of example only, some intumescent materials have the capacity to expand 35 fold in a very short period of time when subjected to the types of heat generated by flames from a fire.
Turning now to Figure 2 of the drawings it will be seen that both of the intumescent collar backings 17 are fitted over pipe 5 to each side of the barrier 1 and then the two collars are pushed on to the pipe to trap the collar backings in the Figure 2 position.
The tongues 15 on each of the collars act as collar locks. More particularly the diameter of opening 12 in each collar is slightly less than the outside diameter of pipe 5. However, because the collar is made from a springy material and because the tongue-like portions have some flex, each of the collars can be pushed one way onto the pipe. However, the tongues of the collars resist sliding in the opposite direction and therefore once the collars are pushed to the figure 2 position they will hold that position. This in turn holds the intumescent collar backing directly over the mouth of passage 3 to either side of the barrier.
The clamplike gripping action of the tongue is generally sufficient to not only hold the collars in position but in addition sufficient to support the weight of the pipe itself as a suspension system for the pipe passing through the barrier. However, in some instances it may be desirable to add additional grip between the collar and the pipe. In the figure 1 through 3 setup this additional grip is provided by means of a weld 15 which fits over any one of the tongues 13 and which can then be welded to the pipe assuming the pipe itself has a metal construction.
Figure 4 shows a slightly modified collar 7A again having gripping tongues, i.e. tongues 13A, which clamp onto the pipe. However, in the figure 4 arrangement a screw member 14 goes through one of the tongues to bite onto the pipe body to further secure the gripping action between the collar and the pipe.
Other methods of securely attaching the collar to the pipe could include for instance, a totally separate ring in which case the collar itself would be devoid of any gripping members to be provided on the separate ring.
These gripping members could again be tongues formed on the ring with a set screw passing through the ring. However, the design shown in the drawing is a very desirable one in that no separate parts are necessarily required to attach the collar to the pipe.
As will be appreciated from the description above the installation of the pipe and the fire and smoke block is done in a very time efficient manner. This is an obvious advantage during the building setup. Furthermore, the actual operation of the fire and smoke block is also extremely efficient as described having reference to figure 3 of the drawings. Here it will be seen that once a fire breaks out and attempts to pass through barrier 1 along the barrier passage 3 the intumescent collar backing 17 expands very quickly to the form 17A shown in Figure 3. In this form the intumescent material completely blocks off the barrier passage preventing not only the fire but additionally any smoke from the fire from passing through the barrier along passage 3.
As earlier noted the expansion factor of the intumescent material is very significant. Accordingly, only a small amount of the material provided for example in the convoluted cross-sectional shaping of the backing shown in the drawings is required to produce the much increased form 17A of the expanded intumescent material.
The description above relates to the penetrating member as being a pipe. The same concept of using a fire and smoke block is also usable with other penetrating members such as for example ducts or even cables fitting through a building barrier such as a wall or a floor.
Figures 5 and 6 in fact show a fire and smoke block generally indicated at 25 used with a duct 23 in a passage 22 of a barrier 21. In this case the block comprises an L-shaped collar 27 secured by fastening screws to the duct.
A backing or lining of intumescent material 29 attaches to the collar. The intumescent material has small hook shaped ends which lock onto the collar to keep the collar and the intumescent material together with one another.
Once again, if fire and/or smoke attempted to move through passage 22 the intumescent lining 29 of collar 27 would expand to completely block off the passage preventing the fire and smoke from getting through the barrier along the side of the duct.
Although various preferred embodiments of the present invention have been described in detail, it will be appreciated by those skilled in the art that variations may be made without departing from the spirit of the invention or the scope of the appended claims.
Turning now to Figure 2 of the drawings it will be seen that both of the intumescent collar backings 17 are fitted over pipe 5 to each side of the barrier 1 and then the two collars are pushed on to the pipe to trap the collar backings in the Figure 2 position.
The tongues 15 on each of the collars act as collar locks. More particularly the diameter of opening 12 in each collar is slightly less than the outside diameter of pipe 5. However, because the collar is made from a springy material and because the tongue-like portions have some flex, each of the collars can be pushed one way onto the pipe. However, the tongues of the collars resist sliding in the opposite direction and therefore once the collars are pushed to the figure 2 position they will hold that position. This in turn holds the intumescent collar backing directly over the mouth of passage 3 to either side of the barrier.
The clamplike gripping action of the tongue is generally sufficient to not only hold the collars in position but in addition sufficient to support the weight of the pipe itself as a suspension system for the pipe passing through the barrier. However, in some instances it may be desirable to add additional grip between the collar and the pipe. In the figure 1 through 3 setup this additional grip is provided by means of a weld 15 which fits over any one of the tongues 13 and which can then be welded to the pipe assuming the pipe itself has a metal construction.
Figure 4 shows a slightly modified collar 7A again having gripping tongues, i.e. tongues 13A, which clamp onto the pipe. However, in the figure 4 arrangement a screw member 14 goes through one of the tongues to bite onto the pipe body to further secure the gripping action between the collar and the pipe.
Other methods of securely attaching the collar to the pipe could include for instance, a totally separate ring in which case the collar itself would be devoid of any gripping members to be provided on the separate ring.
These gripping members could again be tongues formed on the ring with a set screw passing through the ring. However, the design shown in the drawing is a very desirable one in that no separate parts are necessarily required to attach the collar to the pipe.
As will be appreciated from the description above the installation of the pipe and the fire and smoke block is done in a very time efficient manner. This is an obvious advantage during the building setup. Furthermore, the actual operation of the fire and smoke block is also extremely efficient as described having reference to figure 3 of the drawings. Here it will be seen that once a fire breaks out and attempts to pass through barrier 1 along the barrier passage 3 the intumescent collar backing 17 expands very quickly to the form 17A shown in Figure 3. In this form the intumescent material completely blocks off the barrier passage preventing not only the fire but additionally any smoke from the fire from passing through the barrier along passage 3.
As earlier noted the expansion factor of the intumescent material is very significant. Accordingly, only a small amount of the material provided for example in the convoluted cross-sectional shaping of the backing shown in the drawings is required to produce the much increased form 17A of the expanded intumescent material.
The description above relates to the penetrating member as being a pipe. The same concept of using a fire and smoke block is also usable with other penetrating members such as for example ducts or even cables fitting through a building barrier such as a wall or a floor.
Figures 5 and 6 in fact show a fire and smoke block generally indicated at 25 used with a duct 23 in a passage 22 of a barrier 21. In this case the block comprises an L-shaped collar 27 secured by fastening screws to the duct.
A backing or lining of intumescent material 29 attaches to the collar. The intumescent material has small hook shaped ends which lock onto the collar to keep the collar and the intumescent material together with one another.
Once again, if fire and/or smoke attempted to move through passage 22 the intumescent lining 29 of collar 27 would expand to completely block off the passage preventing the fire and smoke from getting through the barrier along the side of the duct.
Although various preferred embodiments of the present invention have been described in detail, it will be appreciated by those skilled in the art that variations may be made without departing from the spirit of the invention or the scope of the appended claims.
Claims (7)
1. A method of blocking fire and smoke along a penetrating member fitted through a passage in a barrier, said method comprising fitting a rigid collar over the penetrating member proximate the barrier, locking the collar to the penetrating member and placing intumescent material between the collar and the barrier in a position where the intumescent material, if subject to fire heat, expands and seals off the passage between the barrier and the penetrating member.
2. Fire and smoke blocking means for use with a barrier penetrating member, said means comprising a rigid collar which is fittable over and lockable on the penetrating member, and collar backing means which is made from intumescent material.
3. Fire and smoke blocking means as claimed in Claim 2 wherein said collar comprises a plate like member having an opening therethrough, said opening being bordered by flexible tongue portions of said collar, said tongue portions providing locking members to lock said collar on the penetrating member.
4. Fire and smoke blocking means as claimed in Claim 3 including screw means threadable through one of said tongue portions.
5. Fire and smoke blocking means as claimed in Claim 3 wherein one of said tongue portions comprises a weld seat to receive a weld between said collar and the penetrating member.
6. Fire and smoke blocking means as claimed in Claim 3 wherein said plate like member includes a flat main body part with a flared skirt around said main body part.
7. Fire and smoke blocking means as claimed in Claim 2 wherein said collar backing means comprises a collar liner of the intumescent material, said collar liner having a convoluted cross section.
Priority Applications (12)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002319876A CA2319876A1 (en) | 2000-09-19 | 2000-09-19 | Block for fire and smoke along a barrier penetrating member |
| CA002354220A CA2354220A1 (en) | 2000-09-19 | 2001-07-26 | A fire stopping seal for containment walls and floors |
| PL01361178A PL361178A1 (en) | 2000-09-19 | 2001-09-19 | Block for fire and smoke along a barrier penetrating member |
| US10/380,876 US20040168398A1 (en) | 2000-09-19 | 2001-09-19 | Block for fire and smoker along a barrier penetrating member |
| AU2001293547A AU2001293547A1 (en) | 2000-09-19 | 2001-09-19 | A penetration fire stopping seal for containment walls and floors |
| AU2001293549A AU2001293549A1 (en) | 2000-09-19 | 2001-09-19 | Block for fire and smoke along a barrier penetrating member |
| EP01973885A EP1319146A2 (en) | 2000-09-19 | 2001-09-19 | Block for fire and smoke along a barrier penetrating member |
| CA002422796A CA2422796A1 (en) | 2000-09-19 | 2001-09-19 | A penetration fire stopping seal for containment walls and floors |
| PCT/CA2001/001318 WO2002025158A2 (en) | 2000-09-19 | 2001-09-19 | Block for fire and smoke along a barrier penetrating member |
| PCT/CA2001/001308 WO2002025159A1 (en) | 2000-09-19 | 2001-09-19 | A penetration fire stopping seal for containment walls and floors |
| CNB018176542A CN1296647C (en) | 2000-09-19 | 2001-09-19 | Block for fire and smoke along a barrier penetrating member |
| US10/380,692 US20040100040A1 (en) | 2000-09-19 | 2001-09-19 | Penetration fire stopping seal for containment walls and floors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002319876A CA2319876A1 (en) | 2000-09-19 | 2000-09-19 | Block for fire and smoke along a barrier penetrating member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2319876A1 true CA2319876A1 (en) | 2002-03-19 |
Family
ID=4167145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002319876A Abandoned CA2319876A1 (en) | 2000-09-19 | 2000-09-19 | Block for fire and smoke along a barrier penetrating member |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20040168398A1 (en) |
| EP (1) | EP1319146A2 (en) |
| CN (1) | CN1296647C (en) |
| AU (1) | AU2001293549A1 (en) |
| CA (1) | CA2319876A1 (en) |
| PL (1) | PL361178A1 (en) |
| WO (1) | WO2002025158A2 (en) |
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| GB2388651B (en) * | 2002-10-19 | 2004-04-21 | Selkirk Mfg Ltd | Fire resistant passageway apparatus for a conduit |
| US7568314B2 (en) * | 2004-08-05 | 2009-08-04 | Pacc Systems I.P., Llc | Flashing kit for wall penetrations |
| KR101186100B1 (en) * | 2005-03-16 | 2012-09-26 | 비일리 엔지니어링 비.브이. | Fire resisting system and method for providing such system |
| US7581362B2 (en) * | 2005-05-24 | 2009-09-01 | Metis Holdings | Conduit with adjustable length and fire collar |
| US8307590B2 (en) * | 2005-11-09 | 2012-11-13 | REACH Manufacturing, Inc. | Rooftop access system |
| US7784234B2 (en) * | 2006-01-31 | 2010-08-31 | Cooper Technologies Company | Fire stop clamp |
| ES2394649T3 (en) * | 2006-03-20 | 2013-02-04 | Beele Engineering B.V. | System to dynamically seal a conduit sleeve through which a tube or cable extends |
| DE102006000184A1 (en) * | 2006-04-19 | 2007-10-25 | Hilti Ag | Performance implementation |
| US7797893B2 (en) * | 2006-05-11 | 2010-09-21 | Specified Technologies Inc. | Apparatus for reinforcing and firestopping around a duct extending through a structural panel |
| DE602006008612D1 (en) * | 2006-08-25 | 2009-10-01 | Beele Eng Bv | A system for dynamically sealing at least one channel through which a pipe or a cable extends |
| US8516776B2 (en) * | 2007-10-02 | 2013-08-27 | Chan-Ping PAN | Fire-prevention structure for buildings |
| US8001737B1 (en) * | 2007-12-18 | 2011-08-23 | Mhubbard 09, Llc | Corrugated deck sealing devices, apparatus, systems and methods of installation |
| GB2460895A (en) * | 2008-06-18 | 2009-12-23 | Fire And Sound Ltd | An intumescent device |
| GB0905586D0 (en) * | 2009-03-31 | 2009-05-13 | Wavin Bv | Pipe coupler |
| US8069623B2 (en) * | 2009-08-21 | 2011-12-06 | 3M Innovative Properties Company | Sleeve system and method of using |
| ES2392791T3 (en) | 2010-05-25 | 2012-12-13 | Beele Engineering B.V. | An assembly and a method for providing a sealing system in an opening |
| US9091455B1 (en) * | 2011-10-12 | 2015-07-28 | Jan B. Coster | Swamp cooler blower fan hole cover |
| DE102012212832A1 (en) * | 2012-07-23 | 2014-01-23 | Hilti Aktiengesellschaft | Assembly for a cable feedthrough |
| ES2626753T3 (en) | 2012-08-30 | 2017-07-25 | Beele Engineering B.V. | Sealing system for an annular space |
| NL2010304C2 (en) | 2013-02-14 | 2014-08-18 | Beele Eng Bv | System for sealingly holding cables which extend through an opening. |
| US20140318064A1 (en) * | 2013-04-25 | 2014-10-30 | Russell William Reinhardt | Press-on retainer for fire-stopping sleeve |
| GB2543590B (en) * | 2013-08-20 | 2020-08-12 | Leonard Moore Brian | A pre-formed insert body |
| US9853267B2 (en) | 2014-02-03 | 2017-12-26 | Ursatech Ltd. | Intumescent battery housing |
| US9089726B1 (en) * | 2014-05-16 | 2015-07-28 | Pyrophobic Systems, Ltd. | Passthrough firestops |
| US9803845B2 (en) | 2014-11-26 | 2017-10-31 | Ursatech Ltd. | Downlight firestop |
| US9797563B2 (en) | 2014-11-26 | 2017-10-24 | Ursatech Ltd. | Downlight firestop |
| US10704751B2 (en) | 2014-11-26 | 2020-07-07 | Ursatech Ltd. | Downlight firestop |
| WO2016167956A1 (en) * | 2015-04-17 | 2016-10-20 | 3M Innovative Properties Company | Penetration firestop system |
| CA2989698A1 (en) * | 2015-06-19 | 2016-12-22 | Rockwool International A/S | Intumescent fire sleeve, coil of several intumescent fire sleeves and method for installation of an intumescent fire sleeve |
| AU2016204752A1 (en) * | 2015-07-16 | 2017-02-02 | JT Roofing Pty Ltd | Roof vent assembly and roof flashing therefor |
| AU363522S (en) * | 2015-07-28 | 2015-08-18 | JT Roofing Pty Ltd | Roofing flashing |
| JP6721380B2 (en) * | 2016-03-31 | 2020-07-15 | 積水化学工業株式会社 | Fireproof structure of the penetration part in a hollow structure compartment |
| CN106869514B (en) * | 2017-04-09 | 2022-04-22 | 南京林业大学 | Haze spraying, cleaning and fire-fighting jet device for building attachment |
| EP3542871A1 (en) * | 2018-03-21 | 2019-09-25 | HILTI Aktiengesellschaft | Fire protection device and fire protection assembly |
| US11473436B2 (en) | 2019-10-14 | 2022-10-18 | General Electric Company | Seal assembly |
| US11794043B2 (en) | 2019-12-10 | 2023-10-24 | Ursatech Ltd. | Ceiling fixture firestop |
| US11591812B2 (en) * | 2019-12-13 | 2023-02-28 | Hilti Aktiengesellschaft | Systems and methods for an indicator system in firestop protection systems |
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|---|---|---|---|---|
| US1603245A (en) * | 1926-10-12 | Orieice-eorming core eor concrete eloors | ||
| US4623171A (en) * | 1984-02-13 | 1986-11-18 | Wilson James H | No-mortar flashing method and apparatus |
| US4748787A (en) * | 1986-07-02 | 1988-06-07 | Harbeke Gerold J | Pipe flange fire-proofing kit and process |
| US4848043A (en) * | 1988-09-14 | 1989-07-18 | Harbeke Gerold J | Under floor fire stop coupling and method |
| US5174077A (en) * | 1990-04-24 | 1992-12-29 | The Furukawa Electric Co., Ltd. | Fire protecting structure of channel portion of plastic piping in a fire partition |
| US5155957A (en) * | 1991-01-14 | 1992-10-20 | National Improvement Company, Inc. | Fire safety device |
| US5456050A (en) * | 1993-12-09 | 1995-10-10 | Construction Consultants & Contractors, Inc. | System to prevent spread of fire and smoke through wall-breaching utility holes |
| EP0681134A1 (en) * | 1994-05-07 | 1995-11-08 | Werner Hauff | Device for lines pass through an opening of wall |
| AU3391895A (en) * | 1994-08-31 | 1996-03-22 | William Herbert Hoffman | Supports |
| FR2744781B1 (en) * | 1996-02-08 | 1998-04-30 | Peugeot | DEVICE FOR SEALING AN OPENING AND IN PARTICULAR AN OPENING THROUGH A WALL OF A MOTOR VEHICLE |
| US5887396A (en) * | 1998-05-13 | 1999-03-30 | Minnesota Mining And Manufacturing Company | Intumescable fire stop device having quick fasteners |
| AUPQ024099A0 (en) * | 1999-05-07 | 1999-06-03 | Promat Fyreguard Pty Ltd | Service shut off device |
| US6176052B1 (en) * | 1999-05-21 | 2001-01-23 | Tosetz Co., Ltd. | Fire retarding division penetrating member |
-
2000
- 2000-09-19 CA CA002319876A patent/CA2319876A1/en not_active Abandoned
-
2001
- 2001-09-19 CN CNB018176542A patent/CN1296647C/en not_active Expired - Fee Related
- 2001-09-19 EP EP01973885A patent/EP1319146A2/en not_active Withdrawn
- 2001-09-19 AU AU2001293549A patent/AU2001293549A1/en not_active Abandoned
- 2001-09-19 US US10/380,876 patent/US20040168398A1/en not_active Abandoned
- 2001-09-19 PL PL01361178A patent/PL361178A1/en unknown
- 2001-09-19 WO PCT/CA2001/001318 patent/WO2002025158A2/en not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| WO2002025158A9 (en) | 2003-05-30 |
| WO2002025158A2 (en) | 2002-03-28 |
| EP1319146A2 (en) | 2003-06-18 |
| WO2002025158A3 (en) | 2002-06-06 |
| PL361178A1 (en) | 2004-09-20 |
| US20040168398A1 (en) | 2004-09-02 |
| CN1469979A (en) | 2004-01-21 |
| CN1296647C (en) | 2007-01-24 |
| AU2001293549A1 (en) | 2002-04-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Discontinued |