GB2158851A - Corner joint bead for plaster board - Google Patents

Corner joint bead for plaster board Download PDF

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Publication number
GB2158851A
GB2158851A GB08511725A GB8511725A GB2158851A GB 2158851 A GB2158851 A GB 2158851A GB 08511725 A GB08511725 A GB 08511725A GB 8511725 A GB8511725 A GB 8511725A GB 2158851 A GB2158851 A GB 2158851A
Authority
GB
United Kingdom
Prior art keywords
plasterboard
member part
bead
wall
corner joint
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
GB08511725A
Other versions
GB2158851B (en
GB8511725D0 (en
Inventor
Ian Christison
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.)
Expanded Metal Co Ltd
Original Assignee
Expanded Metal Co 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 Expanded Metal Co Ltd filed Critical Expanded Metal Co Ltd
Publication of GB8511725D0 publication Critical patent/GB8511725D0/en
Publication of GB2158851A publication Critical patent/GB2158851A/en
Application granted granted Critical
Publication of GB2158851B publication Critical patent/GB2158851B/en
Expired legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F19/00—Other details of constructional parts for finishing work on buildings
    • E04F19/02—Borders; Finishing strips, e.g. beadings; Light coves
    • E04F19/06—Borders; Finishing strips, e.g. beadings; Light coves specially designed for securing panels or masking the edges of wall- or floor-covering elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/30—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation characterised by edge details of the ceiling; e.g. securing to an adjacent wall

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Finishing Walls (AREA)

Abstract

A corner joint bead for plasterboard has a substantially L-sectioned elongate form. The two member parts (5, 6) of the L have a plurality of spaced apart apertures (4, 9) along their length and, one member part (6) has, spaced from the other member part (5), a plurality of tabs (7) extending from the one member part (6) on the same side as the other member part (5). <IMAGE>

Description

SPECIFICATION Corner joint bead for plasterboard The present invention relates to a corner joint bead for supporting plasterboard at its edge against a wall.
When plasterboard is used in a ceiling it is nailed up to the ceiling joists and is thus supported over the greater part of its surface area. However, a problem arises in supporting the edge of the plasterboard where it abuts an adjoining wall surface. If unsightly cracks are not to appear soon after plastering then it is necessary for the plasterboard to be firmly supported at its edge against the wall otherwise movement may occur, leading to cracking. The problem may be overcome if the joists are positioned so that each end joist lies closely adjacent the side wall, but this is usually wasteful of joist timber and therefore, normally, a considerable gap is left between the end joist and the adjacent wall. To support the plasterboard a batten may be nailed or otherwise fixed to the wall, and the plasterboard then nailed to the batten.Whilst this is generally a satisfactory way of fixing the plasterboard at its edge, it is, inevitably, a time consuming process and it can be difficult to nail the plasterboard into the batten due to the closeness of the wall.
In order to overcome this problem and in accordance with the present invention in a method of attaching plasterboard, particularly to a ceiling, to an adjacent wall there is attached a corner joint bead comprising a substantially L-sectioned elongate strip, one of the two member parts of the L having a plurality of apertures spaced apart along its length and, spaced from the other member part, a plurality of tabs extending from the one member part on the same side as the other member part, thereafter the plasterboard being positioned on the ceiling with an edge engaged in the corner joint bead between the other member part and the spaced tabs.
Preferably, the corner joint bead is anchored to the wall surface by means of conventional anchor fastenings secured through the apertures and into the wall.
The invention also comprises a corner joint bead for plasterboard or the like, the bead comprising a substantially L-sectioned elongate strip, one of the two member parts of the L having a plurality of spaced apart apertures along its length and, spaced from the other member part, a plurality of tabs extending from the one member part on the same side as the other member part.
By spacing the tabs a suitable distance from the other member part so that the plasterboard can fit securely between the tabs and the other member part the edge of the plasterboard can be securely positioned without there being any requirement for nailing the plasterboard into the bead.
One example of a corner joint bead and its method of use will now be described with reference to the accompanying drawings in which Figure 1 shows a bead in isometric view, and, Figure 2 shows in section, a corner joint bead in position on a wall.
In Fig. 2 the corner joint bead 1 is shown fixed to a brick wall 2, the bead being attached to the wall by conventional wall anchors 3 located through holes 4 formed in the bead.
The bead is substantially L-shaped and has a first member part 5 which, in use, is positioned substantially parallel with the plane of the ceiling, and a second member part 6 which extends at right angles thereto and which abuts against the wall 2. The holes 4 are formed at 50mm centres in the member part 6 and a plurality of tabs 7 cut out of the member part 6 are formed so as, initially as shown in Fig. 1, to extend out of the plane of the member part 6 at a small angle thereto, but which can be bent up substantially to a right angle, as shown in Fig. 2, so as to grip one face of a sheet of plasterboard 8 which is to form a ceiling and which has been located immediately adjacent the underside of the member part 5. The plasterboard is therefore gripped securely between the member part 5 and the tabs 7, there being no requirement to otherwise secure the plasterboard 8 to the bead 1.
If desired the tabs at 7 may be bent up before the plasterboard is positioned and the plasterboard then located in the gap between the tabs 7 and the member 5.
Further fixing holes 9 may be formed in the member part 5 for securing the bead to joists or similar.
1. A method of attaching plasterboard, particularly to a ceiling, in which, to an adjacent wall there is attached a corner joint bead comprising a substantially L-sectioned elongate strip, one of the two member parts of the L having a plurality of apertures spaced apart along its length through which the strip is attached to the wall and, spaced from the other member part, a plurality of tabs extending from the one member part on the same side as the other member part, thereafter the plasterboard being positioned on the ceiling with an edge engaged in the corner joint bead between the other member part and the spaced tabs.
2. A method according to claim 1, wherein the corner joint bead is anchored to the wall surface by means of conventional anchor fastenings secured through the apertures and into the wall.
3. A method according to claim 1 or claim
**WARNING** end of DESC field may overlap start of CLMS **.

Claims (6)

**WARNING** start of CLMS field may overlap end of DESC **. SPECIFICATION Corner joint bead for plasterboard The present invention relates to a corner joint bead for supporting plasterboard at its edge against a wall. When plasterboard is used in a ceiling it is nailed up to the ceiling joists and is thus supported over the greater part of its surface area. However, a problem arises in supporting the edge of the plasterboard where it abuts an adjoining wall surface. If unsightly cracks are not to appear soon after plastering then it is necessary for the plasterboard to be firmly supported at its edge against the wall otherwise movement may occur, leading to cracking. The problem may be overcome if the joists are positioned so that each end joist lies closely adjacent the side wall, but this is usually wasteful of joist timber and therefore, normally, a considerable gap is left between the end joist and the adjacent wall. To support the plasterboard a batten may be nailed or otherwise fixed to the wall, and the plasterboard then nailed to the batten.Whilst this is generally a satisfactory way of fixing the plasterboard at its edge, it is, inevitably, a time consuming process and it can be difficult to nail the plasterboard into the batten due to the closeness of the wall. In order to overcome this problem and in accordance with the present invention in a method of attaching plasterboard, particularly to a ceiling, to an adjacent wall there is attached a corner joint bead comprising a substantially L-sectioned elongate strip, one of the two member parts of the L having a plurality of apertures spaced apart along its length and, spaced from the other member part, a plurality of tabs extending from the one member part on the same side as the other member part, thereafter the plasterboard being positioned on the ceiling with an edge engaged in the corner joint bead between the other member part and the spaced tabs. Preferably, the corner joint bead is anchored to the wall surface by means of conventional anchor fastenings secured through the apertures and into the wall. The invention also comprises a corner joint bead for plasterboard or the like, the bead comprising a substantially L-sectioned elongate strip, one of the two member parts of the L having a plurality of spaced apart apertures along its length and, spaced from the other member part, a plurality of tabs extending from the one member part on the same side as the other member part. By spacing the tabs a suitable distance from the other member part so that the plasterboard can fit securely between the tabs and the other member part the edge of the plasterboard can be securely positioned without there being any requirement for nailing the plasterboard into the bead. One example of a corner joint bead and its method of use will now be described with reference to the accompanying drawings in which Figure 1 shows a bead in isometric view, and, Figure 2 shows in section, a corner joint bead in position on a wall. In Fig. 2 the corner joint bead 1 is shown fixed to a brick wall 2, the bead being attached to the wall by conventional wall anchors 3 located through holes 4 formed in the bead. The bead is substantially L-shaped and has a first member part 5 which, in use, is positioned substantially parallel with the plane of the ceiling, and a second member part 6 which extends at right angles thereto and which abuts against the wall 2. The holes 4 are formed at 50mm centres in the member part 6 and a plurality of tabs 7 cut out of the member part 6 are formed so as, initially as shown in Fig. 1, to extend out of the plane of the member part 6 at a small angle thereto, but which can be bent up substantially to a right angle, as shown in Fig. 2, so as to grip one face of a sheet of plasterboard 8 which is to form a ceiling and which has been located immediately adjacent the underside of the member part 5. The plasterboard is therefore gripped securely between the member part 5 and the tabs 7, there being no requirement to otherwise secure the plasterboard 8 to the bead 1. If desired the tabs at 7 may be bent up before the plasterboard is positioned and the plasterboard then located in the gap between the tabs 7 and the member 5. Further fixing holes 9 may be formed in the member part 5 for securing the bead to joists or similar. CLAIMS
1. A method of attaching plasterboard, particularly to a ceiling, in which, to an adjacent wall there is attached a corner joint bead comprising a substantially L-sectioned elongate strip, one of the two member parts of the L having a plurality of apertures spaced apart along its length through which the strip is attached to the wall and, spaced from the other member part, a plurality of tabs extending from the one member part on the same side as the other member part, thereafter the plasterboard being positioned on the ceiling with an edge engaged in the corner joint bead between the other member part and the spaced tabs.
2. A method according to claim 1, wherein the corner joint bead is anchored to the wall surface by means of conventional anchor fastenings secured through the apertures and into the wall.
3. A method according to claim 1 or claim 2, wherein the tabs are bent to a position substantially parallel to the other member part after positioning of the plasterboard.
4. A method according to claim 1, substantially as described with reference to the accompanying drawing.
5. A corner joint bead for plasterboard or the like, the bead comprising a substantially Lsectioned elongate strip, one of the two member parts of the L having a plurality of spaced apart apertures along its length and, spaced from the other member part, a plurality of tabs extending from the one member part on the same side as the other member part.
6. A corner joint bead substantially as described with reference to the accompanying drawings.
GB08511725A 1984-05-15 1985-05-09 Corner joint bead for plasterboard Expired GB2158851B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB848412337A GB8412337D0 (en) 1984-05-15 1984-05-15 Corner joint bead for plasterboard

Publications (3)

Publication Number Publication Date
GB8511725D0 GB8511725D0 (en) 1985-06-19
GB2158851A true GB2158851A (en) 1985-11-20
GB2158851B GB2158851B (en) 1987-07-29

Family

ID=10560961

Family Applications (2)

Application Number Title Priority Date Filing Date
GB848412337A Pending GB8412337D0 (en) 1984-05-15 1984-05-15 Corner joint bead for plasterboard
GB08511725A Expired GB2158851B (en) 1984-05-15 1985-05-09 Corner joint bead for plasterboard

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB848412337A Pending GB8412337D0 (en) 1984-05-15 1984-05-15 Corner joint bead for plasterboard

Country Status (1)

Country Link
GB (2) GB8412337D0 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018095504A1 (en) * 2016-11-25 2018-05-31 Knauf Gips Kg Drywall profile

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1396881A (en) * 1971-04-14 1975-06-11 Holt J P Finishing of openings in building structures

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1396881A (en) * 1971-04-14 1975-06-11 Holt J P Finishing of openings in building structures

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018095504A1 (en) * 2016-11-25 2018-05-31 Knauf Gips Kg Drywall profile

Also Published As

Publication number Publication date
GB2158851B (en) 1987-07-29
GB8412337D0 (en) 1984-06-20
GB8511725D0 (en) 1985-06-19

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Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 20050508