CA2354618C - Modular joist shoe - Google Patents
Modular joist shoe Download PDFInfo
- Publication number
- CA2354618C CA2354618C CA002354618A CA2354618A CA2354618C CA 2354618 C CA2354618 C CA 2354618C CA 002354618 A CA002354618 A CA 002354618A CA 2354618 A CA2354618 A CA 2354618A CA 2354618 C CA2354618 C CA 2354618C
- Authority
- CA
- Canada
- Prior art keywords
- joist
- end shoe
- shoe
- modular
- modular end
- 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.)
- Expired - Fee Related
Links
Classifications
-
- 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
- E04B5/02—Load-carrying floor structures formed substantially of prefabricated units
- E04B5/14—Load-carrying floor structures formed substantially of prefabricated units with beams or girders laid in two directions
-
- 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
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
- E04C3/06—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with substantially solid, i.e. unapertured, web
- E04C3/07—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with substantially solid, i.e. unapertured, web at least partly of bent or otherwise deformed strip- or sheet-like material
-
- 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
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2415—Brackets, gussets, joining plates
-
- 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
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2448—Connections between open section profiles
-
- 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
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2457—Beam to beam connections
-
- 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
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
- E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
- E04C2003/0408—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by assembly or the cross-section
- E04C2003/0421—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by assembly or the cross-section comprising one single unitary part
-
- 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
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
- E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
- E04C2003/0426—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by material distribution in cross section
- E04C2003/0439—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by material distribution in cross section the cross-section comprising open parts and hollow parts
-
- 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
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
- E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
- E04C2003/0443—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by substantial shape of the cross-section
- E04C2003/0452—H- or I-shaped
Abstract
A modular end shoe for attachment to a free end of a sheet steel joist having a top chord and a vertical web, comprises a substantially horizontal bearing surface for transmitting load to a support means; a back strap secured to the bearing surface; and a vertical positioning portion secured to the back strap to define a substantially vertical channel adapted to receive and retain therein a segment of the vertical web adjacent to the free end.
Description
~ CA 02354618 2004-04-02 MODULAR JOIST SHOE
Field of Invention:
The present invention relates to a modular joist shoe for use with a cold-rolled sheet steel joist in both composite and non-composite construction.
Background of the Invention:
Canadian Patent 885,156 issued on November 9, 1971 taught the use of a cold-rolled sheet steel joist in a composite steel and concrete floor system, the joist having a Z-shaped top chord providing a shear connector between the steel joist and the concrete slab in which the top chord is embedded.
The problem in using a cold-rolled steel joist is that instead of the joist being supported on an end shoe connected to the top chord, the joist must be supported on the bottom chord. Such support is less stable during construction and concreting stages than if the joist is supported at the top chord. It also requires filling in the void between the joist and the bearing surface and the bottom of the slab or roof.
The present invention is directed to the provision of a modular end shoe for attachment to a cold-rolled steel joist of the type disclosed in the prior Canadian patent and a standard C and Z-shaped or similar joist (typically having a top chord with any of a Z-shaped, S-shaped or inverted L-shaped top chord), thereby greatly increasing the utility of the cold-rolled joist and its stability during construction °
stages during the erection of form work and concrete placement, and prior to the concrete developing its ultimate strength.
The end shoe of the present invention enables completed joist to be fabricated on site merely by cutting the joist to the correct span length, and attaching the end shoes to the joist.
The joist when fabricated can then be supported with the usual roll bar or spanner bar equipment as taught in Canadian Patent 885,156 and other relevant prior art.
Summary of the Invention:
In accordance with the present invention, a modular end shoe for attachment to a free end of a sheet steel joist having a top chord and a vertical web, comprises a substantially horizontal bearing surface for transmitting load to a support means; a back strap secured to the bearing surface; and a vertical positioning portion secured to the back strap to define a substantially vertical channel adapted to receive and retain therein a segment of the vertical web adjacent to the free end.
Brief Description of the Drawinas:
A better understanding of the invention may be obtained from the detailed description of the invention below, in conjunction with the following drawings, in which:
Figure 1 is a perspective view of a cold-
Field of Invention:
The present invention relates to a modular joist shoe for use with a cold-rolled sheet steel joist in both composite and non-composite construction.
Background of the Invention:
Canadian Patent 885,156 issued on November 9, 1971 taught the use of a cold-rolled sheet steel joist in a composite steel and concrete floor system, the joist having a Z-shaped top chord providing a shear connector between the steel joist and the concrete slab in which the top chord is embedded.
The problem in using a cold-rolled steel joist is that instead of the joist being supported on an end shoe connected to the top chord, the joist must be supported on the bottom chord. Such support is less stable during construction and concreting stages than if the joist is supported at the top chord. It also requires filling in the void between the joist and the bearing surface and the bottom of the slab or roof.
The present invention is directed to the provision of a modular end shoe for attachment to a cold-rolled steel joist of the type disclosed in the prior Canadian patent and a standard C and Z-shaped or similar joist (typically having a top chord with any of a Z-shaped, S-shaped or inverted L-shaped top chord), thereby greatly increasing the utility of the cold-rolled joist and its stability during construction °
stages during the erection of form work and concrete placement, and prior to the concrete developing its ultimate strength.
The end shoe of the present invention enables completed joist to be fabricated on site merely by cutting the joist to the correct span length, and attaching the end shoes to the joist.
The joist when fabricated can then be supported with the usual roll bar or spanner bar equipment as taught in Canadian Patent 885,156 and other relevant prior art.
Summary of the Invention:
In accordance with the present invention, a modular end shoe for attachment to a free end of a sheet steel joist having a top chord and a vertical web, comprises a substantially horizontal bearing surface for transmitting load to a support means; a back strap secured to the bearing surface; and a vertical positioning portion secured to the back strap to define a substantially vertical channel adapted to receive and retain therein a segment of the vertical web adjacent to the free end.
Brief Description of the Drawinas:
A better understanding of the invention may be obtained from the detailed description of the invention below, in conjunction with the following drawings, in which:
Figure 1 is a perspective view of a cold-
2 rolled sheet metal joist of the prior art for use with the modular end shoe of the invention, Figure 2 is a cross-section through a composite floor constructed using cold-rolled sheet metal joist of the prior art;
Figure 3 is a perspective view of the modular end shoe in accordance with the invention;
Figure 4 is a side view of the modular end shoe of the invention;
Figures 5A, 5B and 5C are respectively a side elevation, end and top view of the back strap of the modular end shoe;
Figure 6 is a front view of the modular end shoe;
Figure 7 is a cross section of a cold-rolled sheet joist of the prior art;
Figure 8 illustrates the modular end shoe of the invention connected to a sheet metal joist of the prior art;
Figure 9 illustrates a sheet metal joist of the prior art with a pair of modular end shoes of the invention supported by I-beam supports of the prior art;
Figure 10 illustrates the modular end shoe of the invention connected to a Z-shaped joist of the prior art: and Figure 11 illustrates the modular end shoe of the invention connected to a C-shaped joist of the prior art.
Figure 3 is a perspective view of the modular end shoe in accordance with the invention;
Figure 4 is a side view of the modular end shoe of the invention;
Figures 5A, 5B and 5C are respectively a side elevation, end and top view of the back strap of the modular end shoe;
Figure 6 is a front view of the modular end shoe;
Figure 7 is a cross section of a cold-rolled sheet joist of the prior art;
Figure 8 illustrates the modular end shoe of the invention connected to a sheet metal joist of the prior art;
Figure 9 illustrates a sheet metal joist of the prior art with a pair of modular end shoes of the invention supported by I-beam supports of the prior art;
Figure 10 illustrates the modular end shoe of the invention connected to a Z-shaped joist of the prior art: and Figure 11 illustrates the modular end shoe of the invention connected to a C-shaped joist of the prior art.
3 d ' CA 02354618 2004-04-02 Detailed Description of the Preferred Embodiment:
Figures 1 and 2, labelled "Prior Art"
illustrate a known cold-rolled sheet metal joist as taught by Canadian Patent 885,156. In Figure l, the joist is indicated generally at 10, and consists of a bottom chord 11 in a generally flattened oval or rectangular shape, a vertical web or flange 12, and a generally Z-shaped top chord 13. Openings 16 are provided in the web through which spanner bars are inserted for stabilizing the web during construction phases. In Figure 2, top chords 13 are embedded in the concrete slab 17 which is reinforced by metal mesh 18.
As discussed, during the erection phase, such a sheet metal joist 10 has previously been required to be supported at its ends by resting the bottom chord 11 on a suitable support. This has limited the development and use of the sheet metal joist 10 to restricted applications in which temporary supports and bridging can be utilized.
The present invention as described provides a means for permitting a sheet metal joist with modular end shoes to be used in direct replacement for long span open web joists. In addition, the use of the modular end shoes of the invention permits the joist to be custom fabricated on site, the end shoes attached and the joist placed and utilized in the normal manner of use of an open web joist.
Referring to Figure 3, there is shown in perspective view a modular end shoe 30 which consists of a back strap 39 having a top portion 31, a sloping
Figures 1 and 2, labelled "Prior Art"
illustrate a known cold-rolled sheet metal joist as taught by Canadian Patent 885,156. In Figure l, the joist is indicated generally at 10, and consists of a bottom chord 11 in a generally flattened oval or rectangular shape, a vertical web or flange 12, and a generally Z-shaped top chord 13. Openings 16 are provided in the web through which spanner bars are inserted for stabilizing the web during construction phases. In Figure 2, top chords 13 are embedded in the concrete slab 17 which is reinforced by metal mesh 18.
As discussed, during the erection phase, such a sheet metal joist 10 has previously been required to be supported at its ends by resting the bottom chord 11 on a suitable support. This has limited the development and use of the sheet metal joist 10 to restricted applications in which temporary supports and bridging can be utilized.
The present invention as described provides a means for permitting a sheet metal joist with modular end shoes to be used in direct replacement for long span open web joists. In addition, the use of the modular end shoes of the invention permits the joist to be custom fabricated on site, the end shoes attached and the joist placed and utilized in the normal manner of use of an open web joist.
Referring to Figure 3, there is shown in perspective view a modular end shoe 30 which consists of a back strap 39 having a top portion 31, a sloping
4 component 32, an end portion 33, a bearing surface 34, and a positioning surface 35. An L-shaped vertical plate 36 is welded to the top portion 31 and a vertical positioning portion such as clamping plate 37 is welded to the positioning surface 35 of the back strap 39.
Figure 4 illustrates the modular end shoe 30 with the top component 31 of the back strap 39, the angle component 32, the end portion 33, the load bearing portion 34 and the positioning surface 35. Conveniently, the back strap 39 is a single piece bent to the configuration illustrated and providing the connection for all of the components. The vertical plate 36 and the clamping plate 37 are also illustrated. The dotted portion 38 indicates positions through which self-drilling and tapping screws 80(shown in Figure 8) can be secured.
For purposes of further clarification, Figures 5A, 5B and 5C illustrate the back strap 39 as finally formed and prior to attachment to the plate 36 and the attachment of the clamping plate 37.
Figure 6 is an end view of the modular end shoe 30 prior to its installation on the end of the joist 70 (Figure 7). The dotted portions A on the flange 40 on the plate 36 and the flange 41 on the clamping plate 37 indicate possible positions for welding the plate 36 and the clamping plate 37 to the positioning surface 35.
Figure 7 shows a cross-section of a typical cold-rolled sheet metal joist 70 for which the modular end shoe 30 of Figure 6 is intended to be applied.
Figure 4 illustrates the modular end shoe 30 with the top component 31 of the back strap 39, the angle component 32, the end portion 33, the load bearing portion 34 and the positioning surface 35. Conveniently, the back strap 39 is a single piece bent to the configuration illustrated and providing the connection for all of the components. The vertical plate 36 and the clamping plate 37 are also illustrated. The dotted portion 38 indicates positions through which self-drilling and tapping screws 80(shown in Figure 8) can be secured.
For purposes of further clarification, Figures 5A, 5B and 5C illustrate the back strap 39 as finally formed and prior to attachment to the plate 36 and the attachment of the clamping plate 37.
Figure 6 is an end view of the modular end shoe 30 prior to its installation on the end of the joist 70 (Figure 7). The dotted portions A on the flange 40 on the plate 36 and the flange 41 on the clamping plate 37 indicate possible positions for welding the plate 36 and the clamping plate 37 to the positioning surface 35.
Figure 7 shows a cross-section of a typical cold-rolled sheet metal joist 70 for which the modular end shoe 30 of Figure 6 is intended to be applied.
5 Figure 8 illustrates the joist 70 in section mounted in the modular end shoe 30. The web 12 and the top chord 13 of the joist 70 are connected to the modular end shoe 30 by self-drilling and tapping screws 80.
As illustrated in Figure 9, a modular end shoe 30 is attached to each end of the joist 70, the joist being shown as broken in the centre to save space. Each modular end shoe 30 is supported typically by an I-beam wall 81, or other masonry support (not shown) and a plurality of like joists are positioned on the supports with spacer bars (not shown) mounted in the openings 82 of the joist to stabilize the joist during the concreting phase of the composite floor construction.
Figures 10 and 11 show the use of the modular end shoe 30 with two other typical joist configurations, namely Z- and C-shaped joists 90, 100, the joist being attached to the modular end shoe 30 as before, either by screws 80 (Figure 8) or other suitable means.
Thus a sheet metal joist can now be utilized in exactly the same way as an open web joist has been previously.
When joists of standard lengths are required it may be desirable to install the end shoes in the fabricating plant and ship the completed joist to the job site ready for installation. It will also be appreciated by those skilled in the art that the modular end shoe can be attached to the joist by welding or clinching if installed at a location where facilities exist for such procedures.
As illustrated in Figure 9, a modular end shoe 30 is attached to each end of the joist 70, the joist being shown as broken in the centre to save space. Each modular end shoe 30 is supported typically by an I-beam wall 81, or other masonry support (not shown) and a plurality of like joists are positioned on the supports with spacer bars (not shown) mounted in the openings 82 of the joist to stabilize the joist during the concreting phase of the composite floor construction.
Figures 10 and 11 show the use of the modular end shoe 30 with two other typical joist configurations, namely Z- and C-shaped joists 90, 100, the joist being attached to the modular end shoe 30 as before, either by screws 80 (Figure 8) or other suitable means.
Thus a sheet metal joist can now be utilized in exactly the same way as an open web joist has been previously.
When joists of standard lengths are required it may be desirable to install the end shoes in the fabricating plant and ship the completed joist to the job site ready for installation. It will also be appreciated by those skilled in the art that the modular end shoe can be attached to the joist by welding or clinching if installed at a location where facilities exist for such procedures.
6 A person understanding the above-described invention may now conceive of alternative designs, using the principles described herein. All such designs which fall within the scope of the claims appended hereto are considered to be part of the present invention.
7
Claims (9)
1. A modular end shoe for attachment to a free end of a sheet steel joist having a top chord and a vertical web, the end shoe comprising:
(a) a substantially horizontal bearing surface for transmitting load to a support means;
(b) a back strap secured to the bearing surface; and (c) a vertical positioning portion secured to the back strap to define a substantially vertical channel adapted to receive and retain therein a segment of the vertical web adjacent to the free end.
(a) a substantially horizontal bearing surface for transmitting load to a support means;
(b) a back strap secured to the bearing surface; and (c) a vertical positioning portion secured to the back strap to define a substantially vertical channel adapted to receive and retain therein a segment of the vertical web adjacent to the free end.
2. A modular end shoe as claimed in claim 1, wherein the top chord has a cross-section selected from a Z-shape, an S-shape, and an inverted L-shape.
3. A modular end shoe as claimed in claim 1 or 2, wherein the vertical positioning portion comprises a clamping plate.
4. A modular end shoe as claimed in claim 3, wherein the web is retained within the channel by a plurality of web fastening means.
5. A modular end shoe as claimed in any one of claims 1, 2, 3 or 4, wherein the back strap further comprises an upper plate portion adapted to retain an upper portion of the top chord.
6. A modular end shoe as claimed in claim 5, wherein the top chord is secured to the upper plate portion of the back strap by a chord fastening means.
7. A modular end shoe as claimed in claim 4 wherein the plurality of web fastening means comprises self-drilling, self-tapping screws.
8. A modular end shoe as claimed in claim 6, wherein the chord fastening means comprises self-drilling, self-tapping screws.
9. A sheet steel joist having on at least one end thereof a modular end shoe as claimed in any one of claims 1, 2, 3, 4, 5, 6, 7 or 8.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002354618A CA2354618C (en) | 2001-08-01 | 2001-08-01 | Modular joist shoe |
| US10/201,260 US20030024205A1 (en) | 2001-08-01 | 2002-07-24 | Modular joist shoe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002354618A CA2354618C (en) | 2001-08-01 | 2001-08-01 | Modular joist shoe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2354618A1 CA2354618A1 (en) | 2003-02-01 |
| CA2354618C true CA2354618C (en) | 2006-03-14 |
Family
ID=4169654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002354618A Expired - Fee Related CA2354618C (en) | 2001-08-01 | 2001-08-01 | Modular joist shoe |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US20030024205A1 (en) |
| CA (1) | CA2354618C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7942884B2 (en) * | 2002-12-11 | 2011-05-17 | Usgi Medical, Inc. | Methods for reduction of a gastric lumen |
| CA2447374A1 (en) * | 2003-10-30 | 2005-04-30 | Le Groupe Canam Manac Inc. | Improved steel joist |
| NZ571533A (en) * | 2008-09-24 | 2009-12-24 | Stahlton Engineered Concrete A | Hanger system for concrete building units |
| CN108222281B (en) * | 2018-02-09 | 2023-06-30 | 北京建筑大学 | Assembled beam plate connecting structure and method |
Family Cites Families (54)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US582384A (en) * | 1897-05-11 | And elisha p | ||
| US610832A (en) * | 1898-09-13 | Fireproof structure | ||
| US1097934A (en) * | 1912-07-11 | 1914-05-26 | American Car & Foundry Co | Pressed-steel sill-pocket. |
| US1610013A (en) * | 1925-02-28 | 1926-12-07 | Thomas H Kingston | Putlog |
| US1728981A (en) * | 1927-04-30 | 1929-09-24 | Franklin N Ropp | Joist hanger for concrete buildings |
| US1772358A (en) * | 1928-10-03 | 1930-08-05 | Robert L Mcintyre | Structural-steel joist |
| US2115625A (en) * | 1937-08-23 | 1938-04-26 | Otis P Fleshman | Hanger |
| US2495408A (en) * | 1948-03-12 | 1950-01-24 | Eivind B Christoffersen | Putlog supporting clip |
| US3352071A (en) * | 1965-03-08 | 1967-11-14 | Lock Products Co | Fixture for use in a suspended grid ceiling system |
| US3537221A (en) * | 1967-06-19 | 1970-11-03 | Leroy Helfman | Building structure with separate floor and ceiling joists |
| US3527007A (en) * | 1968-08-12 | 1970-09-08 | Ira J Mcmanus | Steel joist connection and end connection therefor |
| US3677589A (en) * | 1971-02-18 | 1972-07-18 | Eastern Prod Corp | Field installation clip for exposed grid systems |
| US3913296A (en) * | 1973-10-01 | 1975-10-21 | Hambro Structural Systems Ltd | End support shoe for composite joist |
| US3854594A (en) * | 1973-11-26 | 1974-12-17 | Raymond Lee Organization Inc | Collapsible hoisting apparatus |
| US3902298A (en) * | 1973-12-20 | 1975-09-02 | United States Steel Corp | Saddle clip for mounting and reinforceably supporting C-shape metal beams |
| CA1008691A (en) * | 1974-06-11 | 1977-04-19 | Felix F. Laurus | Sheet metal joist |
| US3954248A (en) * | 1974-12-12 | 1976-05-04 | Stanley Barber | Spanner beam hanger assembly |
| US3989398A (en) * | 1975-01-06 | 1976-11-02 | United States Gypsum Company | Clip-on attachment members for structural steel joists |
| US3907445A (en) * | 1975-01-06 | 1975-09-23 | United States Gypsum Co | Self-aligning joist hanger for structural steel framing |
| US3945741A (en) * | 1975-01-06 | 1976-03-23 | United States Gypsum Company | Self-aligning hanger attachment bracket for structural steel joists |
| US4124962A (en) * | 1977-07-15 | 1978-11-14 | Brown Company | Joist hanger |
| US4194336A (en) * | 1977-11-21 | 1980-03-25 | Weinar Roger N | Concealable retaining clip for wallboards |
| US4198175A (en) * | 1978-10-03 | 1980-04-15 | Morton Buildings, Inc. | Timber connectors |
| US4454700A (en) * | 1979-04-10 | 1984-06-19 | Kern Gilbert G | Suspended woodbeam ceiling |
| US4342440A (en) * | 1980-03-25 | 1982-08-03 | Eyden Everett A | Concrete deck forming apparatus |
| US4464074A (en) * | 1981-12-28 | 1984-08-07 | United States Gypsum Company | Connector and web stiffener |
| US4616453A (en) * | 1982-05-20 | 1986-10-14 | Sheppard Jr Isaac | Light gauge steel building system |
| US4422792A (en) * | 1982-08-16 | 1983-12-27 | Simpson Strong-Tie Company, Inc. | Gusset metal ledger hanger |
| US4525972A (en) * | 1982-09-24 | 1985-07-02 | Gang Nail Systems, Inc. | Truss assembly and bracing clip and attachment member for use with trusses |
| US4517776A (en) * | 1983-03-10 | 1985-05-21 | The Dow Chemical Company | Roof insulation retention |
| US4856252A (en) * | 1988-12-22 | 1989-08-15 | Cornell James C | Joist hanger |
| US4920725A (en) * | 1989-02-14 | 1990-05-01 | Truswal Systems Corporation | Self-gripping hanger device |
| NL8900651A (en) * | 1989-03-16 | 1990-10-16 | Karel Kuiper | CEILING SUSPENSION SYSTEM AND PROFILE FOR SUCH A SYSTEM. |
| US4893961A (en) * | 1989-06-05 | 1990-01-16 | Trus Joist Corporation | Joist hanger |
| US5046294A (en) * | 1990-05-14 | 1991-09-10 | National Rolling Mills, Inc. | Perimeter clip |
| US5092096A (en) * | 1990-12-13 | 1992-03-03 | Cornell James C | Temporary bridge joist support bracket |
| US5324132A (en) * | 1992-10-07 | 1994-06-28 | Simpson Strong-Tie Company, Inc. | Hinge connection |
| US5457927A (en) * | 1993-07-15 | 1995-10-17 | Mitek Holdings, Inc. | Truss |
| US5544464A (en) * | 1994-04-05 | 1996-08-13 | Canam Hambro | Composite steel and concrete floor system |
| US5625995A (en) * | 1994-07-15 | 1997-05-06 | Consolidated Systems, Inc. | Method and flooring system with aligning bracket for mutually securing a header, a joist and a base |
| US5836131A (en) * | 1994-12-22 | 1998-11-17 | Super Stud Building Products | Joist hanger |
| US6484464B1 (en) * | 1997-01-22 | 2002-11-26 | Icom Engineering Corporation | Floor and roof structures for buildings |
| US5857306A (en) * | 1997-04-02 | 1999-01-12 | Mitek Holdings, Inc. | Truss-to-truss assemblies and connectors therefor |
| AUPO650097A0 (en) * | 1997-04-30 | 1997-05-29 | Weeks Peacock Quality Homes Pty Ltd | A structural member |
| AUPP588598A0 (en) * | 1998-09-14 | 1998-10-08 | Colmark (Australia) Pty Ltd | Clip fastening system |
| US6230467B1 (en) * | 1999-02-18 | 2001-05-15 | Simpson Strong-Tie Co., Inc. | Steel joist hanger |
| US6260327B1 (en) * | 1999-07-19 | 2001-07-17 | Mitek Holdings, Inc. | Structural member of a truss |
| US6463711B1 (en) * | 1999-08-09 | 2002-10-15 | United Steel Products Company, Inc. | Construction hanger |
| US6301855B1 (en) * | 2000-03-13 | 2001-10-16 | Construction Solutions, Inc. | Temporary joist hanger |
| JP2002121880A (en) * | 2000-10-12 | 2002-04-26 | Nichiha Corp | External wall execution structure and starter metal fitting |
| US6427416B1 (en) * | 2001-05-07 | 2002-08-06 | Aegis Metal Framing Llc | Connector plate |
| US20050188638A1 (en) * | 2002-06-22 | 2005-09-01 | Pace Malcolm J. | Apparatus and method for composite concrete and steel floor construction |
| US20030233801A1 (en) * | 2002-06-22 | 2003-12-25 | Pace Malcolm J. | Apparatus and method for composite concrete and steel floor construction |
| US20070119108A1 (en) * | 2005-11-14 | 2007-05-31 | Downard Evan M | End cap for wood frame construction |
-
2001
- 2001-08-01 CA CA002354618A patent/CA2354618C/en not_active Expired - Fee Related
-
2002
- 2002-07-24 US US10/201,260 patent/US20030024205A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| US20030024205A1 (en) | 2003-02-06 |
| CA2354618A1 (en) | 2003-02-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6807790B2 (en) | Ring beam/lintel system | |
| US6199336B1 (en) | Metal wall framework and clip | |
| US5544464A (en) | Composite steel and concrete floor system | |
| US8234827B1 (en) | Express framing building construction system | |
| US5519977A (en) | Joist reinforcing bracket | |
| US4115971A (en) | Sawtooth composite girder | |
| US20030070388A1 (en) | Reinforcement bar support system | |
| CA2360710C (en) | Temporary bracing system for insulated wall form and method | |
| US8407966B2 (en) | Cold-formed steel joist | |
| TW544480B (en) | A frame structure of a low-rise building | |
| US20050188638A1 (en) | Apparatus and method for composite concrete and steel floor construction | |
| US6584741B1 (en) | Reinforcement device for trusses | |
| JP5020163B2 (en) | Support for overhanging slab | |
| US11459755B2 (en) | Concrete fillable steel joist | |
| US6854219B1 (en) | Adjustable apparatus and method for supporting a concealed spine within a masonry lintel | |
| JP2000073515A (en) | Facing material supporting hardware and outer wall structure for building | |
| CA2354618C (en) | Modular joist shoe | |
| US20030233801A1 (en) | Apparatus and method for composite concrete and steel floor construction | |
| US4584815A (en) | Flange hanger | |
| JP2642101B2 (en) | Structure of mounting part of cantilever floor panel | |
| AU706721B2 (en) | Building frame fastening arrangement | |
| CA2273573A1 (en) | Versatile metal truss assembly | |
| KR100431405B1 (en) | The construction method for slim plate beam using the CT shape steel | |
| JPS6022203Y2 (en) | Reinforcement structure of opening | |
| JPH0743294Y2 (en) | Ceiling material mounting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |