GB2267520A - Lintel with insulation and keying means - Google Patents
Lintel with insulation and keying means Download PDFInfo
- Publication number
- GB2267520A GB2267520A GB9311381A GB9311381A GB2267520A GB 2267520 A GB2267520 A GB 2267520A GB 9311381 A GB9311381 A GB 9311381A GB 9311381 A GB9311381 A GB 9311381A GB 2267520 A GB2267520 A GB 2267520A
- Authority
- GB
- United Kingdom
- Prior art keywords
- member according
- lintel
- boundary surface
- keying means
- cavity
- 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
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/02—Coverings or linings, e.g. for walls or ceilings of plastic materials hardening after applying, e.g. plaster
- E04F13/04—Bases for plaster
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C2003/023—Lintels
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Laminated Bodies (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Description
2267520 INSULATION 71e invention relates to insulation and particularly to
the provision of an insulating member which can be inserted in a cavity of a lintel.
According to one aspect of this invention there is provided an insulating member, comprising a body at least part of the boundary surface of which compdses keying means whereby a settable matedal may be adhered thereto.
The keying means may compdse a bonding composition applied to the boundary surface.
The insulating member may be formed in situ in a hollow element, suitably using steam.
Me member may compdse a preformed polystyrene-compdsing component. This provides an effective insulator.
A part of the boundary surface ma alternatively be deformed to provide the y keying means as for example by having perforations such as blind holes formed therein. Ilis provides an effective key.
The boundary surface may be deformed by a surface profile being formed therein, for example, a plurality of grooves formed therein. This construction is readily formed, and provides a good key particularly if the grooves are undercut.
The keying means may comprise a bonding material secured to the boundary surface, for example a woven material such as a mat, of natural or synthetic 2 fibres. This provides a firm key, as does a sand or glass paper bonding material.
Me, keying means may also comprise a bonding composition and a bonding material secured to the boundary surface thereby.
Ile material may comprise a woven material such as a mat material of natural or synthetic fibres, or, alternatively, the material may comprise a sand or glass paper.
According to a second aspect of the invention there is provided a set of parts comprising a lintel having an internal cavity and an insulating member as hereinbefore defined.
According to a third aspect of the invention there is provided a lintel having an internal cavity which is open at one side, and, in the cavity, an insulating member as hereinbefore defined, the arrangement being that this member closes the cavity.
An insulating member, and a lintel having a cavity in which the insulating member is installed is schematically illustrated, by way of example, in end elevation in the accompanying drawing.
Referring to the drawings there is shown an insulating member 1 comprising a body 2 at least part 3 of the boundary surface of which comprises keying means 4 whereby a settable material 5 may be adhered thereto.
The member 1 is a bod of polystyrene foam which is preformed so that it is y complementary to, and hence insertable in, an interior cavity 6 of- a metal lintel, 3 the cavity being formed between spaced apart plate members 7, 8 which are drawn together at the top 9, leaving the bottom 10 open. The depth of the member 1 is such that it just equals the depth of the cavity 6, so that when the member 1 is inserted in the cavity 6, the cavity is effectively closed off in a plane in which lies front and rear (as in use) support plates 11, 12 of the lintel. Thus there is no need to provide a base plate for the lintel as the plates 11, 12 and surface 3 of the foam member comprise a substantially planar base plate. In order that a settable rendering or facing composition 5 such as plastic cement, mortar and the like can be secured to the lintel under the cavity 6 and the plate 12 the foam body 2 on its lower (as viewed) surface 3 has keying means in the form of longitudinally formed grooves 13, preferably undercut, into which the rendering 5 passes when applied to the lintel. When it sets, the rendering is effectively keyed in position by being fixed in the grooves 13 it being understood that the rear support plate 12 has through apertures 14 in which the rendering is also received for keying.
It will be understood that the grooves 13 referred to and described with reference to the accompanying drawings can be replaced by suitable other keying means such as a bonding composition or paint, a woven material or mat, perforations (blind holes in the surface) sand or glass paper or the like, in any desired combination.
In an alternative embodiment, the member 1 is formed in situ in a lintel. In this embodiment, the lintel as shown in Fig. 1 is suitably inverted, or laid on its side so that the limbs 7 or 8, or one thereof form(s) a temporary "base". Beads of expansible plastic such as polystyrene are then inserted in the cavity of the lintel, preferably be being blown in by a jet of carrier gas such as air. A layer of beads thus accumulates on the "base". Steam is then injected into the interior and this acts on the beads, causing them to foam and expand, join together and 4 substantially to fill the interior 6 of the lintel, the foamed polystyrene adhering during this process firmly to the limbs 7, 8. When the foam has fully cured, the lintel can be turned to the upright position shown in Fig. 1, the open base being closed by the foam which can be additionally treated as by being roughened or as described before in order to provide keying or additional keying for plaster, rendering and the like.
In all embodiments, the need for a base plate is obviated, so saving on weight and material costs, and also a key for plaster is provided.
t-
Claims (22)
1. An insulating member, comprising a body at least part of the boundary surface of which comprises keying means whereby a settable material may be adhered thereto.
2. A member according to Claim 1, comprising a preformed polystyrenecomprising component.
3. A member according to Claim 1, formed in situ in a hollow element.
4. A member according to Claim 3, foamed using steam.
5. A member according to any preceding claim, the keying means comprising a bonding composition applied to the boundary surface.
6. A member according to any of Claims 1 to 4, a part of the boundary surface being deformed to provide the keying means.
7. A member according to Claim 6, the boundary surface being deformed by perforations formed therein.
8. A member according to Claim 6, the boundary surface being deformed by a surface profile being formed therein.
9. A member according to Claim 8, the surface profile comprising a plurality of grooves formed therein.
10. A member according to Claim 9, the grooves being undercut.
6
11. A member according to any of Claims 1 to 4, the keying means comprising a bonding material secured to the boundary surface.
12. A member according to Claim 11, the material comprising a woven material.
13. A member according to Claim 12, the material comprising a woven mat material.
14. A member according to Claim 11, the material comprising a sand or glass paper-
15. A member according to any of Claims 1 to 4, the keying means comprising a bonding composition and a bonding material secured to the boundary surface thereby.
16. A member according to Claim 15, the material comprising a woven material.
17. A member according to Claim 16, the material comprising a woven mat material.
18. A member according to Claim 15, the material comprising a sand or glass paper.
19. An insulating member, substantially as hereinbefore described with reference to the accompanying drawings.
7
20. A set of parts comprising a lintel having an internal cavity, and an insulating member according to any preceding claim in the cavity.
21. A lintel having an internal cavity which is open at one side, and, in the cavity, an insulating member according to any preceding claim, the arrangement being that the member closes the cavity.
22. A lintel and an insulating member in combination, substantially as hereinbefore described with reference to the accompanying drawings.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9401681A GB2274293B (en) | 1992-06-02 | 1993-06-02 | An insulating member |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB929211653A GB9211653D0 (en) | 1992-06-02 | 1992-06-02 | Insulation |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9311381D0 GB9311381D0 (en) | 1993-07-21 |
GB2267520A true GB2267520A (en) | 1993-12-08 |
GB2267520B GB2267520B (en) | 1996-01-10 |
Family
ID=10716394
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB929211653A Pending GB9211653D0 (en) | 1992-06-02 | 1992-06-02 | Insulation |
GB9311381A Expired - Lifetime GB2267520B (en) | 1992-06-02 | 1993-06-02 | An insulating member |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB929211653A Pending GB9211653D0 (en) | 1992-06-02 | 1992-06-02 | Insulation |
Country Status (2)
Country | Link |
---|---|
EP (2) | EP0573276A1 (en) |
GB (2) | GB9211653D0 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2285818A (en) * | 1993-12-17 | 1995-07-26 | Keystone Lintels Ltd | Providing expanded insulation in lintel |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2285947B (en) * | 1994-01-28 | 1998-04-01 | Catnic Ltd | A method and apparatus for insulating a building component |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1517966A (en) * | 1976-12-24 | 1978-07-19 | Stressline Ltd | Lintels |
GB2205337A (en) * | 1987-06-01 | 1988-12-07 | Alpha Kem Ltd | Lintel |
GB2217360A (en) * | 1988-04-20 | 1989-10-25 | John Plunkett Coyle | Lintels with plaster keys |
GB2226581A (en) * | 1988-12-24 | 1990-07-04 | Metsec Plc | Lintel |
GB2226580A (en) * | 1988-12-15 | 1990-07-04 | Mitek Ind Inc | Lintel |
GB2249564A (en) * | 1990-11-09 | 1992-05-13 | Medway Trading Limited | Cavity wall lintel |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8427348D0 (en) * | 1984-10-30 | 1984-12-05 | Lignacite Products Ltd | Making thermally insulating building blocks |
GB8913201D0 (en) * | 1989-06-08 | 1989-07-26 | Coyle John | Plaster keys on metal surfaces |
DE9010579U1 (en) * | 1990-07-13 | 1990-10-11 | Wedi, Helmut, 4407 Emsdetten, De | |
GB9027744D0 (en) * | 1990-12-20 | 1991-02-13 | Birtley Building Prod | Lintel |
-
1992
- 1992-06-02 GB GB929211653A patent/GB9211653D0/en active Pending
-
1993
- 1993-06-02 EP EP93304273A patent/EP0573276A1/en not_active Withdrawn
- 1993-06-02 GB GB9311381A patent/GB2267520B/en not_active Expired - Lifetime
- 1993-06-02 EP EP19940200262 patent/EP0604406A3/en not_active Withdrawn
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1517966A (en) * | 1976-12-24 | 1978-07-19 | Stressline Ltd | Lintels |
GB2205337A (en) * | 1987-06-01 | 1988-12-07 | Alpha Kem Ltd | Lintel |
GB2217360A (en) * | 1988-04-20 | 1989-10-25 | John Plunkett Coyle | Lintels with plaster keys |
GB2226580A (en) * | 1988-12-15 | 1990-07-04 | Mitek Ind Inc | Lintel |
GB2226581A (en) * | 1988-12-24 | 1990-07-04 | Metsec Plc | Lintel |
GB2249564A (en) * | 1990-11-09 | 1992-05-13 | Medway Trading Limited | Cavity wall lintel |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2285818A (en) * | 1993-12-17 | 1995-07-26 | Keystone Lintels Ltd | Providing expanded insulation in lintel |
GB2285818B (en) * | 1993-12-17 | 1997-08-20 | Keystone Lintels Ltd | Lintels |
Also Published As
Publication number | Publication date |
---|---|
EP0604406A2 (en) | 1994-06-29 |
GB9311381D0 (en) | 1993-07-21 |
EP0604406A3 (en) | 1994-11-23 |
GB2267520B (en) | 1996-01-10 |
GB9211653D0 (en) | 1992-07-15 |
EP0573276A1 (en) | 1993-12-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) | ||
PE20 | Patent expired after termination of 20 years |
Expiry date: 20130601 |