EP1378616A1 - Elément de faítage de fibro-ciment en forme de V - Google Patents

Elément de faítage de fibro-ciment en forme de V Download PDF

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Publication number
EP1378616A1
EP1378616A1 EP02255797A EP02255797A EP1378616A1 EP 1378616 A1 EP1378616 A1 EP 1378616A1 EP 02255797 A EP02255797 A EP 02255797A EP 02255797 A EP02255797 A EP 02255797A EP 1378616 A1 EP1378616 A1 EP 1378616A1
Authority
EP
European Patent Office
Prior art keywords
ridge
reinforcement
fibre cement
ridges
under
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP02255797A
Other languages
German (de)
English (en)
Other versions
EP1378616B1 (fr
Inventor
Kay Eng Ooi
Chee Mun Phang
Kok Lang Cheong
Shiau Ping Lee
Beng Yean Ooi
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.)
UAC Berhad
Original Assignee
UAC Berhad
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 UAC Berhad filed Critical UAC Berhad
Publication of EP1378616A1 publication Critical patent/EP1378616A1/fr
Application granted granted Critical
Publication of EP1378616B1 publication Critical patent/EP1378616B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • E04D1/30—Special roof-covering elements, e.g. ridge tiles, gutter tiles, gable tiles, ventilation tiles
    • 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
    • E04D1/30—Special roof-covering elements, e.g. ridge tiles, gutter tiles, gable tiles, ventilation tiles
    • E04D2001/304—Special roof-covering elements, e.g. ridge tiles, gutter tiles, gable tiles, ventilation tiles at roof intersections, e.g. valley tiles, ridge tiles
    • E04D2001/305—Ridge or hip tiles

Definitions

  • This invention relates generally to double-lap slating, and particularly to improvements made to fibre cement V-ridges.
  • fibre cement slates Because of its various properties, fibre cement slates have been used instead of concrete tiles and the like. Their smooth surface and dressed edges closely resemble natural slate. With their light weight, strength and durability, fibre cement slates, including V-ridges, are economical and authentic.
  • Prior art V-ridges are of a single thickness throughout.
  • One end of the prior art V-ridge is a lap portion which is recessed as seen in Figure 1a
  • the other end of the ridge is a large roof portion of the same thickness.
  • double-lap slating as shown in Figure 1b the lap portion of one ridge and the roof portion of an adjacent ridge are overlaid.
  • V-shape results in a bending line for the V-ridge. This is a structural weakness of V-ridges. The bending line is prone to cracking during subsequent handling, fixing or installation.
  • the present invention has therefore as an object to improve fibre cement V-ridges so that they are structurally stronger and more stable.
  • At least one intermediate traverse reinforcement is integrally provided on the under-side of a V-ridge when in use, the thickness of the traverse reinforcement being substantially the same as the combined thickness of the contacting and overlaid portions between two adjacent ridges.
  • a lengthwise reinforcement is integrally provided along the under-side of at least half of a bending line of the V-ridge.
  • Another object of the invention is to provide traverse drainage slots on a lap portion, in order to lead out water, in case water happens to seep through in between the contacting and overlaid portions.
  • Another object of the invention is to identify an injection point for making the fibre cement V-ridges according to the invention.
  • a V-ridge (10) consists of substantially a large roof portion (11) of V-shape, and a recessed lap portion (12) at one end of the roof portion (11).
  • a V-shape is made out from two outreaching arms, but in three dimensions viewing of the V-ridge (10), the arm takes the form of a plane.
  • “traverse” and “lengthwise” have been used.
  • traverse it is meant “in the direction of the outreaching arms or planes of the V-ridge”.
  • lengthwise it is meant “an axis perpendicular to the V-shape”.
  • the V-ridge (10) When installed or in use, the V-ridge (10) is placed with its apex (13) at a higher position. A bending line is formed along the length of the V-ridge (10) at the position of the apex (13). It is important to note that the inclined angle between two outreaching arms or planes of the V-ridge can be varied depending on building applications.
  • the word “upper-side” or “under-side” connotes element of the V-ridge when it is installed or in use.
  • Two traverse drainage slots (14) are integrally provided on the upper-side of the lap portion (12). When in use, the V-ridges (10) are overlaid, one over the other.
  • the drainage slots (14) provide a means for water between the contacting and overlaid portions of the V-ridges (10) to run off. Otherwise, water may seep through crevices between the V-ridges (10).
  • the invention has been turned over to show an intermediate traverse reinforcement (15) integrally provided on the under-side of the V-ridge (10).
  • the thickness of the intermediate traverse reinforcement (15) is substantially the same as the combined thickness of the lap portion (12) and the roof portion (11). It is important to note that the width of the intermediate traverse reinforcement (15) is enlarged somewhat.
  • a lengthwise reinforcement (17) is integrally provided along the under-side of at least half of the bending line of the V-ridge (10). This adds to the structural strength of the V-ridge (10) which will not be easily cracked along the bending line.
  • the thickness of the lengthwise reinforcement (17) is substantially the same as the thickness of the intermediate traverse reinforcement (15).
  • a preferred injection point (16) is disposed at the under-side of the intermediate traverse reinforcement (15) or lengthwise reinforcement (17).
  • the injection point (16) corresponds to the largest thickness of the V-ridge (10). If the injection point (16) is located elsewhere, the moulding process will not be efficient.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
EP02255797A 2002-07-01 2002-08-20 Elément de faîtage de fibro-ciment en forme de V Expired - Lifetime EP1378616B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
MY0202486 2002-07-01
MYPI20022486A MY128710A (en) 2002-07-01 2002-07-01 Improvements to fibre cement v-ridges.

Publications (2)

Publication Number Publication Date
EP1378616A1 true EP1378616A1 (fr) 2004-01-07
EP1378616B1 EP1378616B1 (fr) 2008-02-06

Family

ID=29720353

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02255797A Expired - Lifetime EP1378616B1 (fr) 2002-07-01 2002-08-20 Elément de faîtage de fibro-ciment en forme de V

Country Status (3)

Country Link
EP (1) EP1378616B1 (fr)
DE (1) DE60224923D1 (fr)
MY (1) MY128710A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT526021A1 (de) * 2022-04-05 2023-10-15 Eternit Oesterreich Gmbh First- / Grat-Stein
AT526020A1 (de) * 2022-04-05 2023-10-15 Eternit Oesterreich Gmbh First- /Grat-Abdeckelement

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1387235A (en) * 1919-04-21 1921-08-09 Curt R Burkhardt Ridge-saddle
DE3317291C1 (de) * 1983-05-11 1984-08-30 Erlus Baustoffwerke Ag, 8301 Neufahrn Firstziegel für eine Firstentlüftung
GB2279977A (en) * 1991-01-24 1995-01-18 Kenneth William Dickson Currie Dry ridge tile fitted with resilient sealing strip
EP0921107A1 (fr) * 1997-11-24 1999-06-09 Materiaux De Construction International (M.C.I. S.A.) Mélange pour la préparation de pièces moulées en béton renforcé de fibres de verre et procédé et dispositif pour la fabrication de telles pièces

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1387235A (en) * 1919-04-21 1921-08-09 Curt R Burkhardt Ridge-saddle
DE3317291C1 (de) * 1983-05-11 1984-08-30 Erlus Baustoffwerke Ag, 8301 Neufahrn Firstziegel für eine Firstentlüftung
GB2279977A (en) * 1991-01-24 1995-01-18 Kenneth William Dickson Currie Dry ridge tile fitted with resilient sealing strip
EP0921107A1 (fr) * 1997-11-24 1999-06-09 Materiaux De Construction International (M.C.I. S.A.) Mélange pour la préparation de pièces moulées en béton renforcé de fibres de verre et procédé et dispositif pour la fabrication de telles pièces

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT526021A1 (de) * 2022-04-05 2023-10-15 Eternit Oesterreich Gmbh First- / Grat-Stein
AT526020A1 (de) * 2022-04-05 2023-10-15 Eternit Oesterreich Gmbh First- /Grat-Abdeckelement

Also Published As

Publication number Publication date
DE60224923D1 (de) 2008-03-20
MY128710A (en) 2007-02-28
EP1378616B1 (fr) 2008-02-06

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