GB2243380A - Hollow block walls - Google Patents
Hollow block walls Download PDFInfo
- Publication number
- GB2243380A GB2243380A GB9009534A GB9009534A GB2243380A GB 2243380 A GB2243380 A GB 2243380A GB 9009534 A GB9009534 A GB 9009534A GB 9009534 A GB9009534 A GB 9009534A GB 2243380 A GB2243380 A GB 2243380A
- Authority
- GB
- United Kingdom
- Prior art keywords
- mortar
- upright portion
- keying
- wall tie
- length
- 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.)
- Withdrawn
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/22—Tools or apparatus for setting building elements with mortar, e.g. bricklaying machines
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/02—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
- E04B2/14—Walls having cavities in, but not between, the elements, i.e. each cavity being enclosed by at least four sides forming part of one single element
- E04B2/16—Walls having cavities in, but not between, the elements, i.e. each cavity being enclosed by at least four sides forming part of one single element using elements having specially-designed means for stabilising the position
- E04B2/20—Walls having cavities in, but not between, the elements, i.e. each cavity being enclosed by at least four sides forming part of one single element using elements having specially-designed means for stabilising the position by filling material with or without reinforcements in small channels in, or in grooves between, the elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/20—Tools or apparatus for applying mortar
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/20—Tools or apparatus for applying mortar
- E04G2021/208—Tools or apparatus for applying mortar on a vertical joint
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Building Environments (AREA)
Abstract
A device for use in preventing wet mortar in a vertical joint (43) in a hollow block wall sliding into a hollow (42) in a block (41) comprises a member having an upright portion (20) and at least one lateral portion (21) for catching mortar sliding down, with the upright portion (20) and/or the lateral portion or portions provided with means (22) for keying to mortar. The device may form one end of a wall tie. <IMAGE>
Description
HOLLOW BLOCK WALLS
This invention relates to hollow block walls, i.e., walls incorporating hollow blocks, and has as a principal object the provision of a device for use in preventing wet mortar in a vertical joint sliding into a hollow in a block.
A secondary object is to provide such a device also capable of serving as a wall tie, particularly - but not exclusively - in cavity walls incorporating hollow blocks.
According to the present invention, a device for use in preventing wet mortar in a vertical joint in a hollow block wall sliding into a hollow in a block comprises a member having an upright portion for interposing in a vertical joint, and at least one lateral portion for catching mortar sliding down, with the upright portion and/or the lateral portion provided with means for keying to mortar.
In its simplest form the device consists of a length of L-shaped metal or plastics, with one or more holes in the upright portion to form the means for keying to mortar. The
L-shape may be formed by flattening a length of metal tube and bending it lengthwise.
Alternatively, the device may consist of a length of
T-shaped metal or plastics inverted to provide two lateral portions, one to each side of the upright portion, with one or more holes in the upright portion to form the means for keying to mortar. The T-shape may be formed by lengthwise bending of a length of metal strip with a middle bend at the apex of the upright portion and two bends where the lateral portions branch from the upright portion Alternatively, the T-shape may be formed by flattening three corresponding lengthwise portions of a length of metal tube.
Again, the device may be formed by welding together two strips of metal, either edge-to-edge (to form an L-shape), or with one edge of one stripalignedwith the mid-line of the other strip (to form a T-shape), and the upright portion forming strip may be provided with means for keying to mortar by punching one or more holes, slots or notches in it, or by deforming it locally.
The device is preferably elongated to such a length as to constitute a wall tie capable of spanning the cavity in a cavity wall at least one leaf of which (but probably each leaf) is formed of hollow blocks, each end of the device having an upright portion and/or at least one lateral portion provided with means for keying to mortar.
The elongated member forming such a wall tie device may be L-shaped or T-shaped and be provided towards one end with a flange or flanges perpendicular to the upright and lateral portions, for abutment against a side face of a block or brick to effect definite location of the wall tie device with respect to one leaf. The flange or flanges may be bent from one end of the upright portion to form a termination thereof beyond which the or each lateral portion extends and is provided'with means for keying to mortar.
The or each lateral portion may be kinked at least part way across at an intermediate position to form a moisture trap or a drip promoter, as may prove desirable, within the cavity of a cavity wall.
The L-shape or T-shape is conveniently formed by lengthwise bending of metal strip, but either type of wall tie device may be moulded in plastics.
Alternatively, a wall tie device in accordance with the invention may have an L-shape or a T-shape formed at one end (or at each end) of a length of metal tube by appropriate flattening of that end (or ends), the upright portion being provided with a plurality of holes forming the means for keying to mortar. The other end of the length of metal tube may be simply flattened into the same plane as the lateral portion or portions at the first mentioned end and be provided also with a plurality of holes forming means for keying to mortar.
A number of embodiments of the invention will now be described, by way of example only, with reference to the accompanying drawings, in which:
Figure 1 is a perspective view of one form of device in accordance with the invention;
Figure 2 is a fragmentary perspective view showing a similar device with alternative keying means;
Figure 3 is a vertical section showing an alternative way of forming a device similar to those of Figures 1 and 2;
Figure 4 is a perspctive view illustrating how a preferred embodiment of the invention is used;
Figure 5 is a vertical section showing an alternative way of forming a device similar to that of Figure 4;
Figure 6 is a fragmentary vertical section showing a portion of wall with a device similar to those of Figures 4 and 5 but formed in a different way;;
Figure 7 is a fragmentary perspective view showing yet another way of forming a device similar to those of Figures 4 to 6 and also showing an alternative keying means;
Figures 8 and 9 are perspective view of two forms of wall tie in accordance with the invention;
Figures 1 and 11 are respectively a side elevation and a plan view of another form of wall tie in accordance with the invention; and
Figure 12 is a perspective view of yet another form of wall tie in accordance with the invention.
In Figure 1, a device A for use in preventing wet mortar in a vertical joint in a hollow block wall sliding into a hollow in a block comprises an elongate member having an upright portion 2 for interposing in a vertical joint, and a lateral portion 21 for catching mortar sliding down, with the upright portion 2 provided with holes 22 for keying to mortar.
Figure 2 shows a similar device A but with local deformations 23 for keying to motar instead of the holes 22.
The devices A of Figures 1 and 2 may be formed of metal or plastics, but in Figure 3 a similar device A is formed by flattening a length of metal tube and bending it lengthwise.
In Figure 4, a device B consists of a length of Tshaped metal or plastics inverted to provide two lateral portions 21, one to each side of the upright portion 2, with holes 22 in the upright portion to form means for keying to mortar. The device B is shown disposed with its upright portion 2 aligned centrally with the middle web 4(3 of a block 41 having two hollows 42, the lateral portions 21 therefore extending over the adjoining portions of the hollows to prevent wet mortar in a vertical joint 43 (see also Figure 6) between end webs 44 of hollow blocks 41 in the next course from sliding into the hollows 42.
Figure 5 shows a similar device B formed by lengthwise bending of a length of metal strip with a middle bend 24 at the apex of the upright portion 2(3 and two bends 25 where the lateral portions 21 branch from the upright portion, while in
Figure 6 the T-shape of a similar device B is formed by flattening three corresponding lengthwise portions 2(3' and 21', and in Figure 7 another similar device B is shown formed by welding together two strips of metal, with one edge of one strip aligned with the mid-line of the other strip, the upright portion 2(3 being shown provided with notches 26 as further alternative means for keying to mortar.
In Figures 8 to 12 the devices C are elongated to such a length as to constitute wall ties capable of spanning the cavities in cavity walls at least one leaf of each pf which is formed of hollow blocks, each end of each device C having an upright portion 2(3 and/or at least one lateral portion 21 provided with means for keying to motar, as will now be described in relation to each specific embodiment.
In Figure 8 the elongated wall tie device C is Lshaped and provided towards one end with a flange 27 perpendicular' to the upright portion 2(3 and the lateral portion 21, for abutment against a side face of a block or brick (not shown) to effect definite location of the wall tie device with respect to one leaf of a cavity wall, the flange 27 being bent from one end of the upright portion 2(3 to form a termination thereof beyond which the lateral portion 21 extends and is provided with a fishtail 28 for keying to mortar. The lateral portion 21 is kinked at an intermediate position 29 to form a moisture trap or a drip promoter within the cavity of a cavity wall.
In Figure 9 the elongated wall tie device C is inverted T-shaped and provided towards one end with flanges 27 perpendicular to the upright portion 2(3 and the lateral portions 21, for the same purpose as the flange 27 in Figure 8, the wall tie being formed similarly to the device B of
Figure 5, and the portions 21X of the lateral portions 21 extending beyond the flanges 27 being provided with holes 3(3 for keying to motar.
The wall tie device C shown in Figures 1(3 and 11 is formed from a length of tube having one end flattended in similar manner to the tube forming the device B of Figure 6 to form an upright portion 2(3 with keying holes 22 and lateral portions 21, the other end merely being flattened to provide effectively a broader extension 21Y of the lateral portions 21, the otber end merely being flattened to provide effectively a broader extension 21Y of the lateral portions 21 with keying holes 3(3. A mid-portion 31 of the device is flattened slightly to provide a slight downward bulge 32 to act as a moisture trap or drip promoter.
Finally, the wall tie device C of Figure 12 is intended for use in a cavity wall in which both leaves are formed of hollow blocks, with an upright portion 2(3 at each end of a strip 33 which is twisted to form a moisture trap or drip promoter at the middle, the upright portions 2(3 being welded to respective plates 34 providing lateral portions 21, and the end of each upright portion has a fishtail 28 for keying to mortar in a vertical joint in the respective leaf of the cavity wall.
Claims (19)
1. A device for use in preventing wet mortar in a vertical joint in a hollow block wall sliding into a hollow comprising a member having an upright portion for interposing in a vertical joint, and at least one lateral portion for catching mortar sliding down, with the upright portion and/or the lateral portion provided with means for keying to mortar.
2. A device as in Claim 1 consisting of a length of
L-shaped metal or plastics, with one or more holes in the upright portion to form the means for keying to mortar.
3. A device as in Claim 2 formed from metal tube, the
L-shape being formed by flattening a length of metal tube and bending it lengthwise.
4. A device as in Claim 1 consisting of a length of
T-shaped metal or plastics inverted to provide two lateral portions, one to each side of the upright portion, with one or more holes in the upright portion to form the means for keying to mortar.
5. A device as in Claim 4 formed from metal strip, the inverted T-shape being formed by lengthwise bending of a length of metal strip with a middle bend at the apex of the upright portion and two bends where the lateral portions branch from the upright portion.
6. A device as in Claim 1 formed from metal tube, the
T-shape being formed by flattening three corresponding lengthwise portions of a length of metal tube.
7. A device as in any one of Claims 1, 2 and 4 formed by welding together two strips of metal, either edge to-edge, or with one edge of one strip aligned with the midline of the other strip.
8. A device as in Claim 7, wherein the upright portion forming strip is provided with means for keying to mortar by punching one or more holes, slots or notches in it, or by deforming it locally.
9. A device as in any one of the preceding Claims elongated to such a length as to constitute a wall tie capable of spanning the cavity in a cavity wall at least one leaf of which is formed of hollow blocks, each end of the device having an upright portion and/or at least one lateral portion provided with means for keying to mortar.
1(3. A wall tie as in Claim 9, wherein the elongated member forming such a wall tie device is L-shaped or T-shaped and is provided towards one end with a flange or flanges perpendicular to the upright and lateral portions, for abutment against a side face of a block or brick to effect definite location of the wall tie device with respect to one leaf.
11. A wall tie as in Claim 1(3, wherein the flange or flanges is or are bent from one end of the upright portion to form a termination thereof beyond which the or each lateral portion extends and is provided with means for keying to mortar.
12. A wall tie as in Claim 1(3 or Claim 11, wherein the or each lateral portion is kinked at least part way across at an intermediate position to form a moisture trap or a drip promoter.
13. A wall tie as in Claim 11, wherein the L-shape or
T-shape is formed by lengthwise bending of metal strip.
14. A wall tie as in any one of Claims 9 to 12 moulded in plastics.
15. A wall tie as in Claim 1(3, having an L-shape or a T-shape formed at one end of a length of metal tube by appropriate flattening of that end, the upright portion being provided with a plurality of holes forming the means for keying to mortar.
16. A wall tie as in Claim 15, wherein the other end of the length of metal tube is simply flattened into the same plane as the lateral portion or portions at the first mentioned end and provided also with a plurality of holes forming means for keying to mortar.
17. A A device for use in preventing wet mortar in a vertical joint in a hollow block wall sliding into a hollow substantially as hereinbefore described with reference to any one of Figures 1 to 3 of the accompanying drawings.
18. A device for use in preventing wet mortar in a vertical joint in a hollow block wall sliding into a hollow substantially as hereinbefore described with reference to any one of Figures 4 to 7 of the accompanying drawings.
19. A wall tie substantially as hereinbefore described with reference to any of Figures 8, 9, 1(3 and 11, or 12 of the accompanying drawings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9009534A GB2243380A (en) | 1990-04-27 | 1990-04-27 | Hollow block walls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9009534A GB2243380A (en) | 1990-04-27 | 1990-04-27 | Hollow block walls |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB9009534D0 GB9009534D0 (en) | 1990-06-20 |
| GB2243380A true GB2243380A (en) | 1991-10-30 |
Family
ID=10675123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB9009534A Withdrawn GB2243380A (en) | 1990-04-27 | 1990-04-27 | Hollow block walls |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB2243380A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB306671A (en) * | 1928-01-18 | 1929-02-28 | James Tredwel Mckenzie | Improvements in and relating to wall ties for binding hollow walls |
| GB1575501A (en) * | 1976-11-05 | 1980-09-24 | Ellidge A | Tie means for brick walls |
-
1990
- 1990-04-27 GB GB9009534A patent/GB2243380A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB306671A (en) * | 1928-01-18 | 1929-02-28 | James Tredwel Mckenzie | Improvements in and relating to wall ties for binding hollow walls |
| GB1575501A (en) * | 1976-11-05 | 1980-09-24 | Ellidge A | Tie means for brick walls |
Also Published As
| Publication number | Publication date |
|---|---|
| GB9009534D0 (en) | 1990-06-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |