GB2280210A - Roof structure - Google Patents
Roof structure Download PDFInfo
- Publication number
- GB2280210A GB2280210A GB9315400A GB9315400A GB2280210A GB 2280210 A GB2280210 A GB 2280210A GB 9315400 A GB9315400 A GB 9315400A GB 9315400 A GB9315400 A GB 9315400A GB 2280210 A GB2280210 A GB 2280210A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tiles
- roof
- panels
- roof structure
- frames
- 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
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D12/00—Non-structural supports for roofing materials, e.g. battens, boards
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D1/00—Roof covering by making use of tiles, slates, shingles, or other small roofing elements
- E04D1/34—Fastenings for attaching roof-covering elements to the supporting elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B7/00—Roofs; Roof construction with regard to insulation
- E04B7/20—Roofs consisting of self-supporting slabs, e.g. able to be loaded
- E04B7/22—Roofs consisting of self-supporting slabs, e.g. able to be loaded the slabs having insulating properties, e.g. laminated with layers of insulating material
- E04B7/225—Roofs consisting of self-supporting slabs, e.g. able to be loaded the slabs having insulating properties, e.g. laminated with layers of insulating material the slabs having non-structural supports for roofing materials
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D1/00—Roof covering by making use of tiles, slates, shingles, or other small roofing elements
- E04D1/29—Means for connecting or fastening adjacent roofing elements
- E04D1/2907—Means for connecting or fastening adjacent roofing elements by interfitted sections
- E04D1/2914—Means for connecting or fastening adjacent roofing elements by interfitted sections having fastening means or anchors at juncture of adjacent roofing elements
- E04D1/2916—Means for connecting or fastening adjacent roofing elements by interfitted sections having fastening means or anchors at juncture of adjacent roofing elements the fastening means taking hold directly on adjacent elements of the same row
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D1/00—Roof covering by making use of tiles, slates, shingles, or other small roofing elements
- E04D1/34—Fastenings for attaching roof-covering elements to the supporting elements
- E04D2001/3444—Fastenings for attaching roof-covering elements to the supporting elements characterised by the roof covering or structure with integral or premounted fastening means
- E04D2001/3447—Fastenings for attaching roof-covering elements to the supporting elements characterised by the roof covering or structure with integral or premounted fastening means the fastening means being integral or premounted to the roof covering
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D1/00—Roof covering by making use of tiles, slates, shingles, or other small roofing elements
- E04D1/34—Fastenings for attaching roof-covering elements to the supporting elements
- E04D2001/3444—Fastenings for attaching roof-covering elements to the supporting elements characterised by the roof covering or structure with integral or premounted fastening means
- E04D2001/345—Fastenings for attaching roof-covering elements to the supporting elements characterised by the roof covering or structure with integral or premounted fastening means the fastening means being integral or premounted to the roof structure
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D1/00—Roof covering by making use of tiles, slates, shingles, or other small roofing elements
- E04D1/34—Fastenings for attaching roof-covering elements to the supporting elements
- E04D2001/3452—Fastenings for attaching roof-covering elements to the supporting elements characterised by the location of the fastening means
- E04D2001/3458—Fastenings for attaching roof-covering elements to the supporting elements characterised by the location of the fastening means on the upper or lower transverse edges of the roof covering elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D1/00—Roof covering by making use of tiles, slates, shingles, or other small roofing elements
- E04D1/34—Fastenings for attaching roof-covering elements to the supporting elements
- E04D2001/3452—Fastenings for attaching roof-covering elements to the supporting elements characterised by the location of the fastening means
- E04D2001/3461—Fastenings for attaching roof-covering elements to the supporting elements characterised by the location of the fastening means on the lateral edges of the roof covering elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D1/00—Roof covering by making use of tiles, slates, shingles, or other small roofing elements
- E04D1/34—Fastenings for attaching roof-covering elements to the supporting elements
- E04D2001/347—Fastenings for attaching roof-covering elements to the supporting elements characterised by the fastening pattern
- E04D2001/3476—Fastenings for attaching roof-covering elements to the supporting elements characterised by the fastening pattern the fastening means taking hold directly on adjacent elements of the same row and fastening them simultaneously to the roof structure
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
A method of roofing comprises the steps of:- a) providing a roof structure including spaced rafters; b) locating panels between associated pairs of said rafters to form a closed roof structure; c) procuring a plurality of carrier frames 6 for roofing tiles 8; d) mounting at least one tile 8 on each carrier frame 6; and e) fixing said frames 6 to said panels; wherein said panels each comprise recesses adapted to receive, in use, associated protuberances 42 of the carrier frames 6 whereby said frames 6 and the tiles 8 mounted thereon are fixed to the roof structures as aforesaid. This is a quick and easy method of constructing a roof structure which avoids the use of nails, clips and pegs and other such fixing arrangements. <IMAGE>
Description
ROOF STRUCTURE
This invention is concerned with improvements in or relating to a method of roofing and a roof structure provided by said method.
Conventional roof structures for dwellings usually comprise spaced rafters to which are secured an impervious membrane, e.g. a felt underlay, and spaced roofing battens. Roof tiles are located by hanging nibs on the battens the tiles being secured thereto by a variety of fasteners, e.g. nails, clips and pegs or a combination of such devices.
Recognising the high cost and labour intensive nature of present roof structures, one recent patent applicant, in
EP 0515012A, discloses and describes a roof insulation board adapted for anchoring roof tiles. However, the tiles merely lie on the insulation board of the alleged invention with hanging nibs thereof being received in oversize channels of the board and such tiles would be readily removed from the roof in inclement weather conditions.
In Europe, the USA and Japan, it is also well known to make a panelled roof wherein panels of wood or an insulation material are secured between or on spaced rafters. In a further system, sheathed rafter panels may be used. Irrespective of which variant of roof structure is utilised, roof tiles located thereon are also secured by a variety of fasteners as hereinbefore defined.
Thus, the roof tiles of EP 0516012A, in order to provide a secure roof structure, would need to be secured by appropriate fasteners adding to the labour content while increasing the overall cost of such a roof.
The present invention seeks to overcome or at least mitigate the disadvantages of known roof structures; thus, the present invention provides a method of roofing comprising the steps of: a) providing a roof structure including spaced rafters; b) locating panels between associated pairs of said rafters
to form a closed roof structure; c) procuring a plurality of carrier frames for roofing
tiles; d) mounting at least one tile on each carrier frame; and, e) fixing said frames to said panels; wherein said panels each comprise recesses adapted to receive, in use, associated protuberances of the carrier frames whereby said frames and the tiles mounted thereon are fixed to the roof structures as aforesaid.
Conveniently said protuberances extend downwardly and forwardly of a roof in use to be received in said recesses which extend upwardly and rearwardly of a roof in use, said protuberances preferably being provided towards or at a lower end portion of said carrier frames.
In a method of roofing according to the present invention a first horizontal row of tiles is laid on the roof by locating said protuberances of successive carrier frames in the recesses by successively canting upper end portions of each frame away from the roof structure and introducing the protuberances thereof into the recesses of the panels associated therewith, the successive carrier frames thereafter being turned about their lower end portion towards the roof structure to cause their respective protuberances to be received in captive engagement in said recesses.
Conveniently successive horizontal rows of tiles are laid on the roof with tail end portions of the tiles in each successive horizontal row being arranged in overlapping relationship with associated headlap portions of the tiles in a row of such tiles located therebelow and an uppermost horizontal row of tiles on a roof is secured at their headlap portions adjacent a ridge of the roof whereby all of the tiles on a roof of such tiles are mutually interlocked one with another without the use of conventional fasteners as hereinbefore defined.
The present invention also provides a roof structure comprising: a) spaced rafters of conventional design; b) panels extending between associated pairs of said rafters
to form a closed roof structure; c) a plurality of carrier frames for roofing tiles; d) a plurality of roofing tiles secured at least one each to
said carrier frames; and, e) means for securing said carrier frames and thus said
roofing tiles to said panels, said means comprising
associated protuberances and recesses provided on said
carrier frames and in said panels respectively, wherein,
in use, said recesses are adapted to receive associated
protuberances of the carrier frames whereby said frames
and the tiles mounted thereon are fixed to the roof
structure.
Preferably the panels each comprise ridges extending laterally of the panels in use, said ridges being parallel or substantially so one with another and being provided with said recesses for receiving the protuberances of associated carrier frames.
Preferably the panels are generally rectangular in plan and each comprises interlocking sidelock portions and overlapping head and tail portions, such panels being of a lightweight insulation material.
Conveniently the carrier frames are generally rectangular in plan and each comprises headlap and sidelock engaging clip portions arranged to be a snap-fit, in use, over associated headlaps and sidelocks of tiles carried thereby which carrier frame is provided by a plastics moulding and the protuberances thereof are provided by downwardly extending and forwardly facing hook portions adapted to be received in use in said recesses.
The tiles used herein may be conventional interlocking tiles which are generally rectangular in plan each tile comprising conventional headlap and sidelock portions for interengagement with adjacent tiles on a roof and the panels may conveniently be of moulded material, e.g. plastics which panels are fastened to associated pairs of rafters of said structure.
There now follows, by way of example of the invention in its method and roof structure aspects, detailed description which is to be read with reference to the accompanying drawings in which:
Figure 1 is an upper left hand perspective view of a
carrier frame with one roof tile located thereon;
Figure 2 is a view corresponding to Figure 1 but with two
interlocking tiles located thereon;
Figure 3 is an upper left hand perspective view of a
panel provided by the present invention;
Figure 4 is a section view taken on the line IV-IV of
Figure 8;
Figure 5 is a side elevation of two panels illustrating
an interlocking feature thereof;
Figures 6 and 7 are part side elevations illustrating the
interengagement between the carrier frames and the panels
of the present invention; and,
Figure 8 is a side sectional view of the novel roof
structure provided by the present invention.
Hitherto conventional roof structures have been at a disadvantage because, in order to secure roof tiles thereon against inclement weather conditions, it has been the practice to utilise a variety of fasteners, e.g. nails, clips and pegs or a combination of such devices. Such practices have added to the labour content in constructing a roof and as a consequence roofing costs are understandably high.
In overcoming the disadvantages of prior practices and providing an easily assembled roof structure at acceptable cost, the present invention provides a roof structure which generally comprises conventional equi-spaced rafters 2, panels 4 located along and up the roof between associated pairs of said spaced rafters 2 to form a closed roof structure as shown in side elevation in Figure 8, carrier frames 6 each supporting two tiles 8 as shown in Figure 2, which carrier frames 6 are secured to the panels 4 as described hereinafter to complete the roof structure.
The panels 4 are generally rectangular in plan each panel comprising left and right hand interlocking edge portions 10 and 12 with the portion 10 facing upwardly and the portion 12 facing downwardly as shown in Figures 3 and 4. The panels also each comprise an upwardly facing stepped headlap portion 14 and a complementary downwardly facing stepped tail end portion 16, see Figures 5 and 8.
Each panel 4 comprises upper and lower spaced lateral ridges 18 and 20 on an upper surface 22 thereof.
The ridges 18 and 20 are each recessed at 24 which recesses 24 are arcuate in cross-section and extend upwardly and rearwardly in use, i.e. when the panels 4 are assembled on a roof as described hereinafter.
The ridges 18 and 20 also each comprise a series of recesses 26 along the lengths thereof, see Figure 3, the purpose of which will become clear hereinafter.
The panels 4 are moulded from reinforced polystyrene although any suitable insulation material of sufficient strength or one which is suitably reinforced may be utilised.
The carrier frames 6 are generally rectangular in plan and are each provided by a plastics moulding comprising integral headlap engaging clips 34 arranged in two associated pairs at upper end portions 36 of each frame 6.
Each carrier frame 6 also comprises two integral sidelock engaging clips 38 at a lower end portion 40 thereof, see
Figure 1.
For effecting interengagement, as hereinafter described, with the panels 4, each carrier frame 6 comprises an integrally formed protuberance provided by a series of hook portions 42, see Figure 1, which hook portions 42, in use, extend downwardly and forwardly of the frame 6 and the roof structure as hereinafter described.
Each carrier frame 6 also comprises tile retaining means 44 provided by triangular bosses 46 only one of which is shown in
Figure 1, the function of which will be described hereinafter.
For ease of carrying, each frame 6 is provided with an integrally moulded handle 49 extending from its upper end portion 36 thereof.
In assembling the novel roof structure by the method of roofing provided by this invention a roofer: a) constructs a roof including equi-spaced rafters 2 of
conventional design; b) locates panels 4 along and up the roof between associated
pairs of said equi-spaced rafters 2, the arrangement
being such that underside rebated portions 50 and 52 of
the panels 4 are located on said rafters as shown in
Figure 4 with the sidelock portions 10 and 12 thereof in
interengagement also as shown in Figure 4 and with the
headlap and tail end portions 14 and 16 thereof respec
tively in interengagement as shown in Figure 5; c) procures a supply of carrier frames 6 to each of which he
attaches two interlocking planar tiles 8 as shown in
Figures 1 and 2 with nib portions of each tile locating
behind associated bosses 46 of the tile retaining means
44 and with the respective sidelock portions of the two
tiles in mutual engagement as shown in Figure 3; d) carries the frames 6 with the tiles thereon to the roof
using the handles 48; e) positions a first row of frames 6 and tiles 8a at the
eave of the roof by canting upper end portions of each
frame 6 away from the roof structure, as shown in Figure
6, and introducing the hooks 42 thereof into the recesses
24 associated therewith, the frames 6 and the tiles 8a
carried thereby are thereafter turned about their lower
end portions towards the roof structure to cause respec
tive hooks 42 to be fully received in captive engagement
in said associated recesses 24 as shown in Figures 7 and
8 and with the sidelock portions 10 and 12 of the frames
6 being arranged in mutual interengagement along the said
first row of frames 6 as shown in Figure 4; f) repeats the procedure of step e) above in respect of
successive rows of frames 6 and tiles 8b to 8f as shown
in Figures 7 and 8 with tail end portions of the tiles 8a
to 8f in each successive horizontal row arranged in over
lapping relationship with associated headlap portions of
the tiles 8 in a row of such tiles located immediately
therebelow: and, g) secures an uppermost horizontal row of frames 6 and tiles
8 adjacent a ridge of the roof structure whereby all of
the frames 6 and tiles 8 are mutually interlocked one
with another without the use of conventional fasteners as
hereinbefore defined.
Although not mentioned herein, if required, the panels 4 may be secured to the rafters 2 by any suitable means.
Modifications and refinements may be made to the novel roof structure within the scope of the invention.
Claims (16)
1. A method of roofing comprising the steps of:
a) providing a roof structure including spaced rafters;
b) locating panels between associated pairs of said
rafters to form a closed roof structure;
c) procuring a plurality of carrier frames for roofing
tiles;
d) mounting at least one tile on each carrier frame;
and,
e) fixing said frames to said panels;
wherein said panels each comprise recesses adapted to
receive, in use, associated protuberances of the carrier
frames whereby said frames and the tiles mounted thereon
are fixed to the roof structures as aforesaid.
2. A method of roofing according to Claim 1 wherein said
protuberances extend downwardly and forwardly of a roof
in use to be received in said recesses which extend
upwardly and rearwardly of a roof in use.
3. A method of roofing according to either one of Claims 1
and 2 wherein the protuberances are provided towards or
at a lower end portion of said carrier frames.
4. A method of roofing according to Claim 3 wherein a first
horizontal row of tiles is laid on the roof by locating
said protuberances of successive carrier frames in the
recesses by successively canting upper end portions of
each frame away from the roof structure and introducing
the protuberances thereof into the recesses of the
insulation boards associated therewith, the successive
carrier frames thereafter being turned about their lower
end portion towards the roof structure to cause their
respective protuberances to be received in captive
engagement in said recesses.
5. A method of roofing according to Claim 4 wherein succes
sive horizontal rows of tiles are laid on the roof with
tail end portions of the tiles in each successive hori
zontal row being arranged in overlapping relationship
with associated headlap portions of the tiles in a row of
such tiles located therebelow.
6. A method according to Claim 5 wherein an uppermost hori
zontal row of tiles on a roof is secured at their headlap
portions adjacent a ridge of the roof whereby all of the
tiles on a roof of such tiles are mutually interlocked
one with another without the use of conventional
fasteners as hereinbefore defined.
7. A roof structure comprising:
a) spaced rafters of conventional design;
b) panels extending between associated pairs of said
rafters to form a closed roof structure;
c) a plurality of carrier frames for roofing tiles;
d) a plurality of roofing tiles secured at least one
each to said carrier frames; and,
e) means for securing said carrier frames and thus said
roofing tiles to said panels, said means comprising
associated protuberances and recesses provided on
said carrier frames and in said panels respectively,
wherein, in use, said recesses are adapted to
receive associated protuberances of the carrier
frames whereby said frames and the tiles mounted
thereon are fixed to the roof structure.
8. A roof structure according to Claim 7 wherein said protu
berances extend downwardly and forwardly of a roof in use
to be received in said recesses which extend upwardly and
rearwardly of a roof in use.
9. A roof structure according to either one of Claims 7 and
8 wherein the protuberances are provided towards or at a
lower end portion of said carrier frames.
10. A roof structure according to any one of Claims 7, 8 and
9 wherein the panels each comprise ridges extending
laterally of the panels in use, said ridges being paral
lel or substantially so one with another and being
provided with said recesses for receiving the protube
rances of associated carrier frames.
11. A roof structure according to any one of Claims 7,8, 9
and 10 wherein the panels are generally rectangular in
plan and comprise interlocking sidelock portions and
overlapping head and tail portions.
12. A roof structure according to any one of Claims 7, 8, 9,
10 and 11 wherein the panels are of a lightweight
insulation material.
13. A roof structure according to any one of Claims 7 to 12
wherein the carrier frames are generally rectangular in
plan and each comprises headlap and sidelock engaging
clip portions arranged to be a snap-fit, in use, over
associated headlaps and sidelocks of tiles carried
thereby.
14. A roof structure according to any one of Claims 7 to 13
wherein the carrier frame is provided by a plastics
moulding and the protuberances thereof are provided by
downwardly extending and forwardly facing hook portions
adapted to be received in use in said recesses.
15. A roof structure according to any one of Claims 7 to 14
wherein the tiles are conventional interlocking tiles
which are generally rectangular in plan each tile
comprising conventional headlap and sidelock portions for
interengagement with adjacent tiles on a roof.
16. A roof structure according to any one of Claims 7 to 15
wherein the panels are of moulded polystyrene which
panels are fastened to associated pairs of rafters of
said structure.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9315400A GB2280210B (en) | 1993-07-24 | 1993-07-24 | Roof structure |
EP94923729A EP0713555A1 (en) | 1993-07-24 | 1994-07-07 | Roof structure |
AU73857/94A AU7385794A (en) | 1993-07-24 | 1994-07-07 | Roof structure |
PCT/EP1994/002293 WO1995003459A1 (en) | 1993-07-24 | 1994-07-07 | Roof structure |
MYPI94001893A MY110613A (en) | 1993-07-24 | 1994-07-21 | Roof structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9315400A GB2280210B (en) | 1993-07-24 | 1993-07-24 | Roof structure |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9315400D0 GB9315400D0 (en) | 1993-09-08 |
GB2280210A true GB2280210A (en) | 1995-01-25 |
GB2280210B GB2280210B (en) | 1996-10-16 |
Family
ID=10739411
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9315400A Expired - Fee Related GB2280210B (en) | 1993-07-24 | 1993-07-24 | Roof structure |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0713555A1 (en) |
AU (1) | AU7385794A (en) |
GB (1) | GB2280210B (en) |
MY (1) | MY110613A (en) |
WO (1) | WO1995003459A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006100463A1 (en) * | 2005-03-22 | 2006-09-28 | Lafarge Roofing Technical Centers Ltd | Improvements in a roof system |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE140886C (en) * | ||||
FR917846A (en) * | 1942-12-17 | 1947-01-22 | Roof construction process | |
DE3025394A1 (en) * | 1980-07-04 | 1982-04-29 | Karl Münch KG Verpackungstechnik, 6121 Hesseneck | Heat insulating foamed plastic profile edge panel - has grooves spaced and inclined to prevent water penetration into joints |
DE3029199C2 (en) * | 1980-08-01 | 1985-11-28 | Horst 7900 Ulm Glaser | Roof construction for a pitched roof |
DE3030841C2 (en) * | 1980-08-14 | 1983-03-24 | Fa. Manfred Helfrecht, 8598 Waldershof | Under roof |
DE3420793A1 (en) * | 1984-06-04 | 1985-12-05 | Helfrecht, Manfred, 8598 Waldershof | Under-roof multilayered heat insulation |
DE3430753A1 (en) * | 1984-08-21 | 1986-03-06 | Thermodach Dachtechnik GmbH, 8598 Waldershof | Device for fastening counter-battens on heat-insulating panels |
DE3441093A1 (en) * | 1984-11-09 | 1986-05-22 | Helfrecht, Manfred, 8598 Waldershof | Heat-insulating roof substructure |
DE9116698U1 (en) * | 1990-04-03 | 1993-07-15 | Endele Kunststoff GmbH, 7937 Obermarchtal | Thermally insulating under-roof element |
GB2269608B (en) * | 1992-08-14 | 1996-03-06 | Redland Eng Ltd | Improvements in roofing |
-
1993
- 1993-07-24 GB GB9315400A patent/GB2280210B/en not_active Expired - Fee Related
-
1994
- 1994-07-07 EP EP94923729A patent/EP0713555A1/en not_active Withdrawn
- 1994-07-07 AU AU73857/94A patent/AU7385794A/en not_active Abandoned
- 1994-07-07 WO PCT/EP1994/002293 patent/WO1995003459A1/en not_active Application Discontinuation
- 1994-07-21 MY MYPI94001893A patent/MY110613A/en unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006100463A1 (en) * | 2005-03-22 | 2006-09-28 | Lafarge Roofing Technical Centers Ltd | Improvements in a roof system |
Also Published As
Publication number | Publication date |
---|---|
EP0713555A1 (en) | 1996-05-29 |
GB2280210B (en) | 1996-10-16 |
WO1995003459A1 (en) | 1995-02-02 |
AU7385794A (en) | 1995-02-20 |
GB9315400D0 (en) | 1993-09-08 |
MY110613A (en) | 1998-08-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19980724 |