GB2456422A - Sheet decking - Google Patents

Sheet decking Download PDF

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Publication number
GB2456422A
GB2456422A GB0900734A GB0900734A GB2456422A GB 2456422 A GB2456422 A GB 2456422A GB 0900734 A GB0900734 A GB 0900734A GB 0900734 A GB0900734 A GB 0900734A GB 2456422 A GB2456422 A GB 2456422A
Authority
GB
United Kingdom
Prior art keywords
sheet
film
decking
dovetail
upper section
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
GB0900734A
Other versions
GB2456422B (en
GB0900734D0 (en
Inventor
James Carolan
Gregory Flynn
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.)
Kingspan Research and Developments Ltd
Original Assignee
Kingspan Research and Developments Ltd
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 Kingspan Research and Developments Ltd filed Critical Kingspan Research and Developments Ltd
Publication of GB0900734D0 publication Critical patent/GB0900734D0/en
Publication of GB2456422A publication Critical patent/GB2456422A/en
Application granted granted Critical
Publication of GB2456422B publication Critical patent/GB2456422B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • B32B5/18—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 features of a layer of foamed material
    • B32B5/20—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 features of a layer of foamed material foamed in situ
    • 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
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
    • E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
    • E04B5/36—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor
    • E04B5/38—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element
    • E04B5/40—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element with metal form-slabs
    • 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
    • E04B7/02—Roofs; Roof construction with regard to insulation with plane sloping surfaces, e.g. saddle roofs
    • E04B7/022—Roofs; Roof construction with regard to insulation with plane sloping surfaces, e.g. saddle roofs consisting of a plurality of parallel similar trusses or portal frames
    • E04B7/024—Roofs; Roof construction with regard to insulation with plane sloping surfaces, e.g. saddle roofs consisting of a plurality of parallel similar trusses or portal frames the trusses or frames supporting load-bearing purlins, e.g. braced purlins
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
    • E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
    • E04C2/292—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating composed of insulating material and sheet metal
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
    • E04C2/32—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure formed of corrugated or otherwise indented sheet-like material; composed of such layers with or without layers of flat sheet-like material
    • E04C2/322—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure formed of corrugated or otherwise indented sheet-like material; composed of such layers with or without layers of flat sheet-like material with parallel corrugations
    • 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
    • B32B2307/304—Insulating
    • 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
    • B32B2311/00—Metals, their alloys or their compounds
    • B32B2311/30—Iron, e.g. 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
    • B32B2419/00—Buildings or parts thereof
    • B32B2419/06—Roofs, roof membranes
    • 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
    • B32B2607/00—Walls, panels
    • 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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B32B37/1207—Heat-activated adhesive

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Laminated Bodies (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Bulkheads Adapted To Foundation Construction (AREA)

Abstract

A sheet decking comprising a corrugated metal sheet where the sheet has an inner face with shear keys 10 11 for keying in cementitious material 19 and an outer exposed face with a performed coating film 20 applied to it. Preferably the film is of a plastics material and adhesively bonded to the sheet before profiling, where the bond is activated by heat and/or pressure. The sheet may have a plurality of spaced apart dovetail corrugations 2 extending longitudinally along the sheet, each corrugation comprising a generally flat upper section and a pair of inwardly converging inclined sidewalls extending from the upper section. There may also be a plurality of shear keys 10 on the upper section and at least one 11 of the sidewalls. A method for manufacturing is also claimed.

Description

1
2456422
"Sheet Decking"
Introduction
The invention relates to cold formed, profiled sheet metal decking having engagement means for interlocking with concrete poured thereover to provide a composite floor decking. On setting, the concrete grips the profiled sheet to form a load-bearing floor slab.
Sheet decking generally comprises a thin roll formed sheet of galvanised steel.
In one method, after a sheet metal is manufactured it is passed through a painting process which applies a coating to the sheet which is then rolled up onto a supply reel. A manufacturer unrolls the coated steel from the supply reel and then forms the sheet metal into a desired sheet decking. One of the problems with this method is that such reels of coated steel are expensive. Another problem is that a single reel of such painted sheet metal is very long to cater for production runs. If only a short run is required with a particular finish only part of the reel is used, leading to problems in downtime in changing reels and storage or partially used reels and consequent risk of damage/wastage as well as inventory and control costs.
In a second method, the exposed faces of the sheet decking are painted on site. This is also expensive and difficult because the profiles are often complex and therefore difficult to paint. In addition, the decking is often difficult and/or dangerous to access when erected.
This invention is directed towards providing an improved sheet decking which will overcome at least some of these difficulties.
Statements of Invention
2
According to the invention there is provided a sheet decking comprising a sheet having a plurality of parallel corrugations extending longitudinally along the sheet, the sheet having an inner face with shear keys for keying in use to cementitious material and an 5 outer exposed face wherein the exposed face of the sheet has a pre-formed coating film applied thereto.
In one embodiment the film is pre-bonded to the exposed face. The sheet is profiled and the film is preferably applied to the sheet m advance of profiling
10
The film is preferably of a plastics material.
The film is preferably bonded to the exposed face of the decking.
15 In one embodiment the film is adhesively bonded to the exposed face of the decking.
The bonding between the film and the exposed face of the decking may be activated by pressure and/or heat
20 In one embodiment the sheet has a plurality of parallel spaced apart dovetail corrugations extending longitudinally along the sheet. The dovetail corrugations may be re-entrant corrugations, each corrugation comprising a generally flat upper section and a pair of inwardly converging inclined sidewalls extending from the upper section.
• ••• > • •
♦ ••• » •
• • 9 •
• • • .
• •••
I
• •••
• •
25 The upper section preferably has a plurality of spaced-apart upper shear keys. At least one of the inclined sidewalls also preferably have a plurality of spaced apart side shear keys for keying, in use, to cementitious material. Both inclined sidewalls of the dovetail corrugation may have a plurality of spaced-apart side shear keys. The side shear keys may be stretched out from the inclined sidewalls of the dovetail corrugation. The upper 30 shear keys may be stretched out from the upper section of the dovetail corrugation.
• • • •
3
10
• •
The invention also provides a method for manufacturing a sheet decking of the invention comprising the steps of>
providing a film;
providing a metal sheet;
applying the film to the metal sheet; and subsequently profiling the film coated sheet to form a sheet decking on-line.
The metal sheet may be provided on a reel and the method comprises drawing the metal sheet from the reel and applying the film to the unreeled sheet. The method preferably 15 comprises bonding the film to sheet. The film may be adhesively bonded to the sheet.
The film may be bonded to the sheet by heat and/or pressure.
In a preferred embodiment the film is provided on a film reel and the method comprises 20 drawing the film from the reel so that the film and sheet are in alignment for applying the film to the sheet.
Preferably the sheet to which film is applied is profiled by roll forming. The method may comprise treating the sheet and/or film in advance of applying the film to the sheet.
25
; Brief Description of the Drawings
The invention will be more clearly understood from the following description thereof * *30 given by way of example only with reference to the accompanying drawings, in which:-
• • • • • • • • •
4
Fig. 1 is a perspective view of a sheet decking according to the invention;
Fig. 2 is a cross sectional view of the decking of Fig. 1;
5 Figs. 3 and 4 are elevational views of a joint detail of the decking;
Fig. 5 is a cross sectional view of a part of the sheet decking of Figs. 1 to 4;
Fig. 6 is a schematic side view of equipment used in the manufacture of the sheet 10 decking; and
Fig. 7 is an isometric view of part of the equipment illustrated in Fig. 6.
>••• • •
• • • •
I
• • • •
••••
15 Detailed Description
In the invention, a metal sheet decking has a pre-formed coating film 20 applied to the exposed face thereof. The sheet decking is formed by profiling, for example by roll forming, a sheet 25 of metal to a desired shape. The coating film 20 is applied to the 20 sheet 25 on-line in advance of roll forming. Referring to Figs. 6 and 7, in this case the metal sheet 25 is provided on a supply reel 26 and the coating film is also on a supply reel 27. The reels 26, 27 are set up as illustrated so that the film 20 is aligned with the sheet 25. In this case the film 20 is applied to one of the metal sheet faces. The film may be applied across the full width or only part of the width of the metal sheet.
25
To bond the film 20 to the sheet 25 the film 20 may be passed under a pressure/nipping roller 28. The bonding may be activated for example, by passing under pressure and/or heating plate(s) 29. Further nipping roller(s) 30 may be provided downstream of the plate(s) 29. Edge trim knives 30 may also be provided. The metal sheet 25 with a 30 coating film 20 applied on-line is shown in Fig. 5.
• • • •
5
The coating film 20 is preferably of a weather resistant plastics material such as polyethylene terephthalate (PET), ethylene tetrafluorethylene (ETFE) (which has a high corrosion resistance), PVC (polyvmylchlonde) or polyolefin (PO), or mixtures thereof. The film may be adhesively bonded to the metal sheet using a compatible adhesive such 5 as a polyurethane based adhesive. The bonding of the film to the metal sheet may be activated and/or cured by heat, pressure, UV, ultrasonics, or any combination thereof.
The film may be provided with any desired decorative finish or indicia such as to mimic wood grain, brick, or a slate-like finish.
10
The coated metal sheet is profiled into a desired sheet decking form, for example by roll forming. One example of a sheet decking 1 according to the invention is illustrated in Figs. 1 to 4
15 Thus, the invention provides a sheet decking with an on-line film coating which can present any desired decorative finish, when installed.
In this case the sheet decking is a re-entrant sheet decking 1 of cold formed galvanised sheet metal material. The sheet 1 has a plurality, of parallel transversely spaced-apart re-20 entrant dovetail corrugations 2 extending longitudinally along the sheet 1. The sheet 1 has an inboard longitudinal side edge 3a and an outboard longitudinal side edge 3b which are overlapped in use, as illustrated in Figs. 3 and 4. There are three dovetail corrugations 2 and one part dovetail corrugation at the inboard side and one part dovetail corrugation at the outboard side illustrated in Fig. 1.
25
The corrugations 2 are of generally trapezoidal shape and comprise a generally flat upper
• • • •
j section 4 and first and second side walls 5, 6 which extend from the upper section 4 and converge inwardly towards a base section 7 of the sheet 1. The upper section 4 has a plurality of spaced-apart upper shear keys 10 and at least one, and in this case both, of the
* *30 side walls 5, 6 have a plurality of spaced-apart side shear keys 11. In use, cementitious
• •••
6
matenal 19 is poured over the sheet 1 as illustrated in Fig. 1 and is keyed to the sheet 1 as will be described in more detail below.
The sheet 1 also includes two longitudinally extending stiffeners 21 between adjacent 5 corrugations 2.
Each upper shear key 10 is of generally square shape in plan and is formed by stretching out the upper section 4 of the corrugation 2. The upper keys are approximately 15 mm wide and are spaced-apart along the upper section 4 at a centre spacing of pitch pu 10 approximately 40 mm. Each upper shear key 10 has an upper face 15 and a pair of outwardly diverging side faces 16. The side faces 16 extend at an angle of between 100° and 140°, most preferably approximately 135° to the upper face 15. The depth of the top shear key 10 is approximately 3 mm, the depth to length ratio of the top shear keys being from 1:3 to 1:8, most preferably approximately 1.5. The width of the upper shear key is 15 from 20% to 60%, most preferably approximately 37.5% of the width of the upper section 4 of the corrugation 2.
Each side shear key 11 is of generally rectangular shape and is formed by stretching out the side walls 5, 6 of the corrugation 2. The side keys are approximately 10 mm wide 20 and 32 mm in height and are spaced-apart along the side walls 5, 6 at a centre spacing pitch ps of approximately 41.7 mm. Each side shear key 11 has an outer face 31 and a pair of outwardly diverging side faces 32. The side faces 32 extend at an angle of between 100° and 140°, most preferably approximately 135° to the outer face 31. The depth of the side shear key 11 is approximately 4 mm, the depth to length ratio of the side 25 shear keys being from 1:5 to 1:12, most preferably approximately 1:9. Each of the side shear keys 11 extends from between 50% and 85%, most preferably approximately 70% J of the length of the sidewalls 5,6.
The sheet 1 is of galvanised steel with an average coating thickness of 0.02 mm. The yield strength for matenal type Z28 is from 280 to 490 N/mm2, minimum 350 N/mm2 for type Z35 and minimum 550 N/mm2 for type Z55.
7
Referring in particular to Fig. 1, in use, the sheet decking 1 is generally supported on beams 30. The engagement between the decking 1 and the concrete 19 will be apparent.
5 The dovetail or re-entrant shape of the corrugations provides a profile which is a compromise between efficient use of matenal to support the concrete at the wet stage yet provides an upstand that can bond in to the slab after curing of the concrete. When the composite slab deflects it forms into a curve which has a tendency to force the dovetail harder into the concrete enhancing the mechanical bond.
10
The upper shear keys 10 provide additional mechanical keys into the concrete increasing the load at which the deck would slip longitudinally in relation to the concrete. Because they are located only on the top face there is a limit to the force that they can transfer into the dovetail.
15
The side shear keys 11 provide two actions. Dunng the wet concrete stage they provide stiffening to the dovetail webs providing an increase in the decks capacity, especially in the thinner gauges This is important as it is often the construction stage (when the concrete is wet) that controls the overall capacity of the floor slab. The provision of 20 temporary props are sometimes provided to get over the limits of the construction stage however this is time consuming and expensive. The increase in the spanning capacity at the construction stage provided by the decking of the invention is therefore advantageous. If the dovetail webs buckle, the section loses much of its capacity. Thus, enhancing the web capacity is an important improvement to the overall section.
25
In addition, when the deck cures the side shear keys provide additional mechanical bond
• •••
I and allow the tension force to be more uniformly transmitted into the dovetail upstand.
• •••
•..." The provision of the side keys allows the more efficient use of higher yield steels for the deck profile.
:****30 • • • •
8
Because the side shear keys are along the webs, when the slab deflects and curves as described above the side keys, because of the dovetail shape, are forced into a closer mechanical bond giving an overall better result.
5 It will also be appreciated that the decking may have any suitable number of re-entrant dovetail corrugations. These corrugations need not all be the same size. For example, there may be a relatively wide corrugation towards the middle of the decking and two smaller ones to the side.
10 The re-entrant dovetails may include a transverse reinforcement. For example, there may be a double wall in the dovetail and/or the dovetail may be thicker than the main body of the sheet decking. Alternatively or additionally the re-entrant dovetail may be filled with a suitable filler such as foam or concrete.
15 The invention is not limited to the embodiments hereinbefore described which may be varied in construction and detail.
20
25
* *30
• • • •
9

Claims (1)

  1. Claims
    1. A sheet decking comprising a metal sheet having a plurality of parallel 5 corrugations extending longitudinally along the sheet, the sheet having an inner face with shear keys for keying in use to cementitious material and an outer exposed face wherein the exposed face of the sheet has a pre-formed coating film applied thereto.
    10 2. A sheet decking as claimed in claim 1 wherein the film is pre-bonded to the exposed face.
    3. A sheet decking as claimed in claim 1 or 2 wherein the sheet is profiled and the film is applied to the sheet in advance of profiling.
    15
    4. A sheet decking as claimed in any of claims 1 to 3 wherein the film is of a plastics material.
    5. A sheet decking as claimed in any of claims 1 to 4 wherein the film is bonded to
    20 the exposed face of the decking.
    6. A sheet decking as claimed in claim 5 wherein the film is adhesively bonded to exposed face of the decking.
    25 7. A sheet decking as claimed in claim 5 or 6 wherein the bonding between the film and the exposed face of the decking is activated by pressure and/or heat.
    8.
    A sheet decking as claimed in any of claims 1 to 7 wherein the sheet has a plurality of parallel spaced apart dovetail corrugations extending longitudinally along the sheet.
    10
    9. A sheet decking as claimed in claim 8 wherein the dovetail corrugations are reentrant corrugations, each corrugation comprising a generally flat upper section and a pair of inwardly converging inclined sidewalls extending from the upper section.
    5
    10. A sheet decking as claimed in claim 9 wherein the upper section has a plurality of spaced-apart upper shear keys.
    11 A sheet decking as claimed m claim 9 or 10 wherein at least one of the inclined 10 sidewalls has a plurality of spaced apart side shear keys for keying, in use, to cementitious material
    12. A sheet decking as claimed in claim 11 wherein both inclined sidewalls of the dovetail corrugation have a plurality of spaced-apart side shear keys.
    15
    13. A sheet decking as claimed in claim 11 or 12 wherein the side shear keys are stretched out from the inclined sidewalls of the dovetail corrugation.
    14. A sheet decking as claimed in any of claims 10 to 13 wherein the upper shear 20 keys are stretched out from the upper section of the dovetail corrugation.
    15 A sheet decking substantially as hereinbefore described with reference to the accompanying drawings.
    25 16. A method for manufacturing a sheet decking as claimed in any of claims 1 to 15 comprising the steps of:-
    >
    »
    providing a film;
    providing a metal sheet;
    11
    5
    • ••«
    » I
    • • • •
    applying the film to the metal sheet; and subsequently profiling the film coated sheet to form a sheet decking online.
    17. A method as claimed in claim 16 wherein the metal sheet is provided on a reel and the method comprises drawing the metal sheet from the reel and applying the film to the unreeled sheet.
    10 18 A method as claimed in claim 16 or 17 comprising bonding the film to sheet.
    19. A method as claimed in claim 18 wherein the film is adhesively bonded to the sheet.
    15 20. A method as claimed in claim 18 or 19 wherein the film is bonded to the sheet by heat and/or pressure.
    21. A method as claimed in any of claims 16 to 20 wherein the film is provided on a film reel and the method comprises drawing the film from the reel so that the film
    20 and sheet are in alignment for applying the film to the sheet.
    22. A method as claimed in any of claims 16 to 21 wherein the sheet to which film is applied is profiled by roll forming.
    25 23. A method as claimed in any of claims 16 to 22 comprising treating the sheet and/or film in advance of applying the film to the sheet.
    24. A method substantially as hereinbefore described with reference to the accompanying drawings.
    * *30
    • • • •
    •* • m •
    *
GB0900734.5A 2008-01-16 2009-01-16 Sheet decking Active GB2456422B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IE20080031 2008-01-16

Publications (3)

Publication Number Publication Date
GB0900734D0 GB0900734D0 (en) 2009-03-04
GB2456422A true GB2456422A (en) 2009-07-22
GB2456422B GB2456422B (en) 2012-05-02

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Family Applications (3)

Application Number Title Priority Date Filing Date
GB0900736.0A Active GB2456423B (en) 2008-01-16 2009-01-16 A purlin
GB0900734.5A Active GB2456422B (en) 2008-01-16 2009-01-16 Sheet decking
GB0900735.2A Active GB2458743B (en) 2008-01-16 2009-01-16 A composite panel

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB0900736.0A Active GB2456423B (en) 2008-01-16 2009-01-16 A purlin

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB0900735.2A Active GB2458743B (en) 2008-01-16 2009-01-16 A composite panel

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GB (3) GB2456423B (en)
IE (2) IE86154B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102644357A (en) * 2012-05-02 2012-08-22 赵依健 Rock wool composite plate

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3845593A (en) * 1972-09-12 1974-11-05 G Zen Lightweight concrete panel
GB2340146A (en) * 1998-07-18 2000-02-16 Ward Building Components Limit Sheet decking with dovetail corrugations
GB2397074A (en) * 2003-01-07 2004-07-14 Corus Uk Ltd Profiled steel decking

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US4238544A (en) * 1979-05-16 1980-12-09 Virginia Door Co. Door panel and manner of making
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GB0900734D0 (en) 2009-03-04
IE20090041A1 (en) 2009-08-19

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