US3414228A - Connecting member for metal form structures - Google Patents
Connecting member for metal form structures Download PDFInfo
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- US3414228A US3414228A US550972A US55097266A US3414228A US 3414228 A US3414228 A US 3414228A US 550972 A US550972 A US 550972A US 55097266 A US55097266 A US 55097266A US 3414228 A US3414228 A US 3414228A
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- slot
- top surfaces
- truss
- side wall
- top surface
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- 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
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
- E04G11/38—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings for plane ceilings of concrete
Definitions
- This invention relates generally to a metal concrete form assembly and in particular to a connecting member for releasably connecting together adjacent forms in the assembly.
- An object of this invention is to provide an improved connecting member for releasably securing together adjacent metal concrete forms.
- a further object of this invention is to provide a metal concrete form assembly wherein connecting members on a pair of relatively spaced forms are releasably connectable with an intermediate form such that the three metal forms are connected together to form a continuous uniplanar surface.
- FIG. 1 is a perspective view of a shoring structure for supporting a metal form assembly which embodies the connecting members of this invention
- FIG. 2 is a plan view showing a plurality of the shoring structures in FIG. 1 connected together to form a continuous supporting surface;
- FIG. 3 is an enlarged sectional view on line 3-3 in FIG. 2 showing a form connecting member
- FIG. 4 is a perspective view of a form connecting member.
- FIG. 1 With reference to FIG. 1 there is illustrated a shoring structure shown in operative association with a form assembly 11 comprised of a pair of transversely spaced longitudinally extended or side metal forms 12 and intermediate forms 13.
- the shoring structure 10 comprises a knock-down frame unit 14 which has four corner posts 16 connected together by means including upper and lower connecting frames 17 and 18, respectively, of a like construction and releasably connected in like manner with the posts 16.
- Each post 16 has a flat top surface 19.
- Each intermediate form 13 includes a base or flat plate member 23 of a rectangular shape (FIG. 2) having depending side and end flanges 24 and 26, respectively, as shown best in FIG.
- a form 13 (FIG. 2) is of a length equal to the transverse space between the longitudinally extended forms 12 to which it is connected by the connecting members 27 of this invention so that the top surface 23 is in the 'horizontal plane of the top surfaces 21 of the side forms 12 to provide a flat continuous supporting surface for concrete or the like indicated at 28 in FIGS. 2 and 3.
- Each form 12 constitutes a beam that is formed as part of a truss assembly 29 which is movable supported for up and down movement between corresponding longitudinally spaced posts 16 by means including mounting units 31.
- Each mounting unit 31 is adjustably supported on a corresponding post 16 for vertical movement between an upper position wherein the top surfaces of the forms 12 and 13 are located in the plane of the top surf-aces 19 of the posts 16, and a lower position wherein the top surfaces of the forms 12 and 13 are in a common horizontal plane located below the horizontal plane of the post top surfaces 19.
- a connecting member 27 of this invention includes a flat upright plate member 32 the lower side of which terminates in a laterally extended reinforcing flange 33.
- the plate member 32 is formed with a central portion 34 and reduced end portions 36 each of which is formed with an upright open slot 37.
- Each slot 37 has a bottom wall 38, an inner verticle side wall 39 formed by an adjacent end face of the central portion 34, and an opposite or outer side wall 41 that has a lower vertical section 42 and an upper inclined section 43 extending upwardly and outwardly from the lower vertical section 42.
- the center portion 34 of a connecting member 27 is of a size and shape for reception transversely within a longitudinally extended or side metal form 12 with the end faces thereof flush against the inner surfaces of the depending flanges 22 and with the lower edge 44 of a depending flange 22 resting on a slot bottom wall 38.
- the reduced end portions 36 are thus projected laterally outwardly from the depending flanges 22 of a side form 12.
- a connecting member 27 is secured to a corresponding form member 12 by welding or like means as indicated at 46.
- Each slot 37 is initially formed as shown in FIG. 4 with a width between the vertical side wall 39 and the vertical section 42 of the side wall 41 equal to the combined thicknesses of a flange 22 of the form 12 and the flange 26 of an intermediate form 13.
- this initial slot width is reduced to a width substantially equal to the thickness of only the flange 26 of an intermediate form 13.
- the connecting members 27 are spaced longitudinally of a corresponding longitudinal form 12 so that at least two connecting members 27 are created within the transverse confines of an intermediate form 13.
- an intermediate form 13 With a pair of side forms 12 the form 13 is positioned between the side forms 12 above the reduced end portions 36 of pairs of adjacent connecting members 27 locatedat transversely opposite sides of the frame 14 with the end flanges 26 thereof adjacent corresponding side forms 12.
- the end flanges 26 on a form 13 are then positioned within the upper ends of the slots 37 of the transversely opposite connecting members 27 so as to rest on the inclined wall sections 43 of the slots.
- end flanges 26 of a form 13 are equal in width to the flanges 22 of a form 12 so that concurrently with the positioning of adjacent flanges 22 and 26 in a back-to-back relation the top surface 23 of a form 13 is located in the horizontal plane of the top surface 21 of a form 12.
- the forms 13 are connected in a side-by-side relation transversely between the longitudinal form members 12 so that in the composite form assembly a continuous horizontal supporting surface is provided over the complete area defined by the frame posts 16.
- this form assembly through the function of the mounting units 31, is movable upwardly into the plane of the top surfaces 19 of the posts 16.
- the composite form assembly is lowered to a level below the post top surfaces 19, or the completed structure 28, a distance suflicient to permit the upward removal of the intermediate forms 13 from the connecting members 27.
- a shoring structure for metal concrete forms including:
- each truss assembly extended between and connectable to a pair of corner posts with the top surfaces thereof in the plane of the top surfaces of said corner posts,
- each connecting member having opposite end portions projected laterally outwardly from a corresponding truss assembly.
- each of said end portions being formed with an upright slot open at the upper end thereof, each slot having a first vertical side wall normal to a side edge of the top surface of a truss assembly and an opposite side wall having a lower vertical section and an upper section inclined away from said first side wall, and
- a metal for-m including a top flat surface with depending end flanges, each of said end flanges having a thickness substantially equal to a width of a slot between the vertical portions of the side walls thereof, and a height such that when received in a slot the top surface of said form is in the plane of r the top surfaces of said truss assemblies,
- said top surface of the metal for-m having a length equal to the distance between the top surfaces of said truss assemblies whereby on positioning of said end flanges within transversely oppositely arranged slots said flanges are guided by said inclined slot wall sections to positions between the vertical portions of the slots to releasably hold the top surface of the metal form adjacent to and in the plane of the top surfaces of said truss assemblies.
- a shoring structure for metal concrete forms including:
- each of said support members having an upright slot with a first side wall lying in a vertical plane which defines the inner side edge of the top surface of a truss assembly, an opposite side wall spaced outwardly from a truss assembly having a vertical lower section and an upper section inclined upwardly and outwardly from said lower section and a horizontal bottom vvall, and
- each of said depending end flanges having a thickness substantially equal to the width of a slot between the vertical side wall portions tlxeregf and a width equal to the distance between the bottom wall of a slot and the top surface of a truss assembly whereby on positioning of an end flange at the slot, the end flange is directed by the inclined side wall portion of the slot for releasable connection with the opposite vertical side wall poition thereof in a supported position on the slot bottom wall so that the top surface of a form and the top surfaces of said truss assemblies form a continuous horizontal surface.
- a metal form having a flat body member of a rectangular shape with laterally extended depending end flanges, said body member having a length equal to the transverse space between said side members,
- each plate member having an end portion projected outwardly from one of the depending leg portions of a side member, with said one leg portions facing each other transversely of said frame,
- each of said projected end portions having an upright slot therein open at the top thereof and formed With a vertical side wall, a horizontal bottom wall, and an opposite side wall including a lower vertical section and an upper section inclined upwardly and outwardly from the vertical section.
- each slot having a width between the vertical side wall and vertical section of the opposite side wall equal to the combined width of said one of the depending leg portions and an end flange of said metal form
- said one depending leg being positioned in a slot against the vertical side thereof, whereby an end flange of the form is guidably directed by the inclined portion of said opposite side Wall into a locked position between the vertical section of the opposite side wall and the free end portion of said one depending leg portion.
- a third metal form including a horizontal flat body member of a rectangular shape having a flange projected laterally from one side and at each end 5 thereof, said body member having a length equal to the transverse space between said pair of forms,
- each upright member having an upright slot including a bottom wall, a vertical side wall and an opposite side wall having a-lower vertical section and an upper section inclined upwardly and outwardly from the lower vertical section, said vertical side wall being formed by a depending side section and said bottom wall being spaced-from the top surfaces of said pair of forms a distance equal to the width of an end flange on said third form, and the width of the slot between the vertical side wall and the vertical section of the opposite side wall being substantially equal to the thickness of an end flange on said third form, and
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- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Description
Dec. 3, 1968 R. L. JENNINGS 3,
CONNECTING MEMBER FOR METAL FORM STRUCTURES Filed May 18, 1966 /9 7 3 /3 Mnwmroe A 01 PH 1. JIVAMVG$ Arrow/ United States Patent 3,414,228 CONNECTING MEMBER FOR METAL FORM STRUCTURES Ralph L. Jennings, Des Moines, Iowa, assignor to Economy Forms Corporation, Des Moines, Iowa, a corporation of Iowa Filed May 18, 1966, Ser. No. 550,972 4 Claims. (Cl. 249-18) This invention relates generally to a metal concrete form assembly and in particular to a connecting member for releasably connecting together adjacent forms in the assembly.
An object of this invention is to provide an improved connecting member for releasably securing together adjacent metal concrete forms.
A further object of this invention is to provide a metal concrete form assembly wherein connecting members on a pair of relatively spaced forms are releasably connectable with an intermediate form such that the three metal forms are connected together to form a continuous uniplanar surface.
Further objects, features and advantages of the invention will become apparent from the following description when taken in connection with the accompanying drawing in which:
FIG. 1 is a perspective view of a shoring structure for supporting a metal form assembly which embodies the connecting members of this invention;
FIG. 2 is a plan view showing a plurality of the shoring structures in FIG. 1 connected together to form a continuous supporting surface;
FIG. 3 is an enlarged sectional view on line 3-3 in FIG. 2 showing a form connecting member; and
FIG. 4 is a perspective view of a form connecting member.
With reference to FIG. 1 there is illustrated a shoring structure shown in operative association with a form assembly 11 comprised of a pair of transversely spaced longitudinally extended or side metal forms 12 and intermediate forms 13. The shoring structure 10 comprises a knock-down frame unit 14 which has four corner posts 16 connected together by means including upper and lower connecting frames 17 and 18, respectively, of a like construction and releasably connected in like manner with the posts 16. Each post 16 has a flat top surface 19.
-A side form 12 (FIG. 3) is of an inverted channel shape in transverse cross section so as to have a top fiat surface 21 with depending side flanges 22. Each intermediate form 13 includes a base or flat plate member 23 of a rectangular shape (FIG. 2) having depending side and end flanges 24 and 26, respectively, as shown best in FIG.
'3. A form 13 (FIG. 2) is of a length equal to the transverse space between the longitudinally extended forms 12 to which it is connected by the connecting members 27 of this invention so that the top surface 23 is in the 'horizontal plane of the top surfaces 21 of the side forms 12 to provide a flat continuous supporting surface for concrete or the like indicated at 28 in FIGS. 2 and 3.
Each form 12 constitutes a beam that is formed as part of a truss assembly 29 which is movable supported for up and down movement between corresponding longitudinally spaced posts 16 by means including mounting units 31. Each mounting unit 31 is adjustably supported on a corresponding post 16 for vertical movement between an upper position wherein the top surfaces of the forms 12 and 13 are located in the plane of the top surf-aces 19 of the posts 16, and a lower position wherein the top surfaces of the forms 12 and 13 are in a common horizontal plane located below the horizontal plane of the post top surfaces 19. For a more detailed description of the knockdown frame unit 14, truss assemblies 29 and mounting 3,414,228 Patented Dec. 3, 1968 "ice units 31 reference is made to the co-pending application of William A. Jennings, Ser. No. 483,587 filed Aug. 30, 1965 assigned to the same interest as the instant application.
A connecting member 27 of this invention (FIG. 4) includes a flat upright plate member 32 the lower side of which terminates in a laterally extended reinforcing flange 33. The plate member 32 is formed with a central portion 34 and reduced end portions 36 each of which is formed with an upright open slot 37. Each slot 37 has a bottom wall 38, an inner verticle side wall 39 formed by an adjacent end face of the central portion 34, and an opposite or outer side wall 41 that has a lower vertical section 42 and an upper inclined section 43 extending upwardly and outwardly from the lower vertical section 42.-
As clearly appears in FIG. 3 the center portion 34 of a connecting member 27 is of a size and shape for reception transversely within a longitudinally extended or side metal form 12 with the end faces thereof flush against the inner surfaces of the depending flanges 22 and with the lower edge 44 of a depending flange 22 resting on a slot bottom wall 38. The reduced end portions 36 are thus projected laterally outwardly from the depending flanges 22 of a side form 12. A connecting member 27 is secured to a corresponding form member 12 by welding or like means as indicated at 46.
Each slot 37 is initially formed as shown in FIG. 4 with a width between the vertical side wall 39 and the vertical section 42 of the side wall 41 equal to the combined thicknesses of a flange 22 of the form 12 and the flange 26 of an intermediate form 13. After the assembly of a connecting member 27 with a longitudinally extended metal form 12 this initial slot width is reduced to a width substantially equal to the thickness of only the flange 26 of an intermediate form 13. As shown in FIGS. 1 and 2 the connecting members 27 are spaced longitudinally of a corresponding longitudinal form 12 so that at least two connecting members 27 are created within the transverse confines of an intermediate form 13.
To connect an intermediate form 13 with a pair of side forms 12 the form 13 is positioned between the side forms 12 above the reduced end portions 36 of pairs of adjacent connecting members 27 locatedat transversely opposite sides of the frame 14 with the end flanges 26 thereof adjacent corresponding side forms 12. The end flanges 26 on a form 13 are then positioned within the upper ends of the slots 37 of the transversely opposite connecting members 27 so as to rest on the inclined wall sections 43 of the slots.
On downward movement of the form 13 as by pushing or imparting impact blows thereto the lower portions of the end flanges 26 are guidably directed by the inclined wall sections 43 into the reduced lower portions of the slots 37. Since these reduced lower portions of the slots 37 are substantially equal to the thickness of the end flanges 26 of the form 13 they are frictionally received between the lower end of an adjacent flange 22 of a form 12 and the lower vertical section 42 of the slot wall 43. This insertion of the end flanges 26 of a form 13 within the reduced lower portions of the slots 37 automatically locates the end flanges 26 into a back-to-back relation with the adjacent flanges 22 of a form 12.
It is to be noted further that the end flanges 26 of a form 13 are equal in width to the flanges 22 of a form 12 so that concurrently with the positioning of adjacent flanges 22 and 26 in a back-to-back relation the top surface 23 of a form 13 is located in the horizontal plane of the top surface 21 of a form 12.
As a result of the frictional reception of the lower end portion of a flange 26 within the reduced lower portion of a slot 37 the form 13 is frictionally held against accidental upward movement. This frictional holding of a form 13 within a slot 37 is complemented by the backto-back engagement of a flange 26 with the adjacent flange 22 of a form 12. The form 13 is thus releasably locked in a position to provide for the surfaces 21 of the flanges 12 and the top surfaces 23 of the flanges 13 forming a continuous horizontal supporting area.
It is to be understood that the forms 13 are connected in a side-by-side relation transversely between the longitudinal form members 12 so that in the composite form assembly a continuous horizontal supporting surface is provided over the complete area defined by the frame posts 16. In use this form assembly, through the function of the mounting units 31, is movable upwardly into the plane of the top surfaces 19 of the posts 16. When the forms 13 are to be removed the composite form assembly is lowered to a level below the post top surfaces 19, or the completed structure 28, a distance suflicient to permit the upward removal of the intermediate forms 13 from the connecting members 27.
Although the invention has been described with respect to a preferred embodiment thereof it is to be understood that it is not to be so limited since changes and modifications can be made therein which are Within the full intended scope of this invention as defined by the appended claims.
I claim:
1. In a shoring structure for metal concrete forms including:
(a) frame means having four corner posts with horizontal top surfaces,
(b) a pair of oppositely arranged parallel truss assemblies having top horizontal surfaces, each truss assembly extended between and connectable to a pair of corner posts with the top surfaces thereof in the plane of the top surfaces of said corner posts,
(c) a plurality of transversely extended connecting members secured to each truss assembly in a longitudinally spaced relation and below the plane of the top surface thereof,
(d) each connecting member having opposite end portions projected laterally outwardly from a corresponding truss assembly.
(e) each of said end portions being formed with an upright slot open at the upper end thereof, each slot having a first vertical side wall normal to a side edge of the top surface of a truss assembly and an opposite side wall having a lower vertical section and an upper section inclined away from said first side wall, and
(f) a metal for-m including a top flat surface with depending end flanges, each of said end flanges having a thickness substantially equal to a width of a slot between the vertical portions of the side walls thereof, and a height such that when received in a slot the top surface of said form is in the plane of r the top surfaces of said truss assemblies,
(g) said top surface of the metal for-m having a length equal to the distance between the top surfaces of said truss assemblies whereby on positioning of said end flanges within transversely oppositely arranged slots said flanges are guided by said inclined slot wall sections to positions between the vertical portions of the slots to releasably hold the top surface of the metal form adjacent to and in the plane of the top surfaces of said truss assemblies.
2. In a shoring structure for metal concrete forms including:
(a) a frame having a pair of longitudinally extended transversely spaced truss assemblies with flat top surfaces in a common horizontal plane,
(b) metal forms having a flat top surface of a length equal to the transverse space betwen said truss assemblies and depending end flanges,
() means for connecting a form to said truss assemblies with the top surface thereof in the plane of the top surfaces of said truss assemblies including a plurality of longitudinally spaced upright support members on each truss asembly, said support members extended transversely outwardly of a corresponding truss assembly at positions below the top surfaces thereof,
(d) each of said support members having an upright slot with a first side wall lying in a vertical plane which defines the inner side edge of the top surface of a truss assembly, an opposite side wall spaced outwardly from a truss assembly having a vertical lower section and an upper section inclined upwardly and outwardly from said lower section and a horizontal bottom vvall, and
(e) each of said depending end flanges having a thickness substantially equal to the width of a slot between the vertical side wall portions tlxeregf and a width equal to the distance between the bottom wall of a slot and the top surface of a truss assembly whereby on positioning of an end flange at the slot, the end flange is directed by the inclined side wall portion of the slot for releasable connection with the opposite vertical side wall poition thereof in a supported position on the slot bottom wall so that the top surface of a form and the top surfaces of said truss assemblies form a continuous horizontal surface.
3. In a shoring structure for metal concrete forms:
(a) a frame having a pair of longitudinally extended transversely spaced side members, each side member being of a channel shape having an upper base portion and depending leg portions, said base portions being in a common horizontal plane,
(b) a metal form having a flat body member of a rectangular shape with laterally extended depending end flanges, said body member having a length equal to the transverse space between said side members,
(c) means for releasably mounting said form bet-ween said side members so that said base portions and body member form a continuous horizontal surface, including upright plate members secured to and extended transversely of each side member in a longitudinally spaced relation below the horizontal plane of said base portions,
(d) each plate member having an end portion projected outwardly from one of the depending leg portions of a side member, with said one leg portions facing each other transversely of said frame,
(e) each of said projected end portions having an upright slot therein open at the top thereof and formed With a vertical side wall, a horizontal bottom wall, and an opposite side wall including a lower vertical section and an upper section inclined upwardly and outwardly from the vertical section.
(f) each slot having a width between the vertical side wall and vertical section of the opposite side wall equal to the combined width of said one of the depending leg portions and an end flange of said metal form, and
(-g) said one depending leg being positioned in a slot against the vertical side thereof, whereby an end flange of the form is guidably directed by the inclined portion of said opposite side Wall into a locked position between the vertical section of the opposite side wall and the free end portion of said one depending leg portion.
4. In a shoring structure for concrete metal forms:
(a) a frame having a pair of longitudinally extended transversely spaced forms having top horizontal surfaces and a depending side section, with said side sections facing each other,
(b) a third metal form including a horizontal flat body member of a rectangular shape having a flange projected laterally from one side and at each end 5 thereof, said body member having a length equal to the transverse space between said pair of forms,
(0) means for releasably mounting said third form between said pair of for-ms so that said horizontal top surfaces and the opposite side of said body member form a continuous horizontal surface, including a plurality of flat upright transversely extended members secured to said pair of forms and extended within the space between said pair of forms below the plane of the top surfaces thereof,
(d) each upright member having an upright slot including a bottom wall, a vertical side wall and an opposite side wall having a-lower vertical section and an upper section inclined upwardly and outwardly from the lower vertical section, said vertical side wall being formed by a depending side section and said bottom wall being spaced-from the top surfaces of said pair of forms a distance equal to the width of an end flange on said third form, and the width of the slot between the vertical side wall and the vertical section of the opposite side wall being substantially equal to the thickness of an end flange on said third form, and
(e) with an end flange being guidably directed by the inclined section of the opposite side wall into said slot for frictional engagement between the opposed vertical sections of the side walls thereof.
References Cited UNITED STATES PATENTS 1,293,838 2/1919 McKay 24924 1,498,665 6/1924 MacIvor 24918 1,907,877 5/1933 iRoos 24928 X 3,239,188 3/1966 Gostling 2491'8 X J. SPENCER OVERHOLSER, Primary Examiner.
D. W. JONES, Assistant Examiner.
Claims (1)
1. IN A SHORING STRUCTURE FOR METAL CONCRETE FORMS INCLUDING: (A) FRAME MEANS HAVING FOUR CORNER POSTS WITH HORIZONTAL TOP SURFACES, (B) A PAIR OF OPPOSITELY ARRANGED PARALLEL TRUSS ASSEMBLIES HAVING TOP HORIZONTAL SURFACES, EACH TRUSS ASSEMBLY EXTENDED BETWEEN AND CONNECTABLE TO A PAIR OF CORNER POSTS WITH THE TOP SURFACES THEREOF IN THE PLANE OF THE TOP SURFACES OF SAID CORNER POSTS, (C) A PLURALITY OF TRANSVERSELY EXTENDED CONNECTING MEMBERS SECURED TO EACH TRUSS ASSEMBLY IN A LONGITUDINALLY SPACED RELATION AND BELOW THE PLANE OF THE TOP SURFACE THEREOF, (D) EACH CONNECTING MEMBER HAVING OPPOSITE END PORTIONS PROJECTED LATERALLY OUTWARDLY FROM A CORRESPONDING TRUSS ASSEMBLY. (E) EACH OF SAID END PORTIONS BEING FORMED WITH AN UPRIGHT SLOT OPEN AT THE UPPER END THEREOF, EACH SLOT HAVING A FIRST VERTICAL SIDE WALL NORMAL TO A SIDE EDGE OF THE TOP SURFACE OF A TRUSS ASSEMBLY AND AN OPPOSITE SIDE WALL HAVING A LOWER VERTICAL SECTION AND AN UPPER SECTION INCLINED AWAY FROM SAID FIRST SIDE WALL, AND (F) A METAL FORM INCLUDING A TOP FLAT SURFACE WITH DEPENDING END FLANGES, EACH OF SAID END FLANGES HAVING A THICKNESS SUBSTANTIALLY EQUAL TO A WIDTH OF A SLOT BETWEEN THE VERTICAL PORTIONS OF THE SIDE WALLS THEREOF, AND A HEIGHT SUCH THAT WHEN RECEIVED IN A SLOT THE TOP SURFACE OF SAID FORM IS IN THE PLANE OF THE TOP SURFACES OF SAID TRUSS ASSEMBLIES. (G) SAID TOP SURFACE OF THE METAL FROM HAVING A LENGTH EQUAL TO THE DISTANCE BETWEEN THE TOP SURFACES OF SAID TRUSS ASSEMBLIES WHEREBY ON POSITIONING OF SAID END FLANGES WITHIN TRANSVERSELY OPPOSITELY ARRANGED SLOTS SAID FLANGES ARE GUIDED BY SAID INCLINED SLOT WALL SECTIONS TO POSITIONS BETWEEN THE VERTICAL PORTIONS OF THE SLOTS TO RELEASABLY HOLD THE TOP SURFACE OF THE METAL FORM ADJACENT TO AND IN THE PLANE OF THE TOP SURFACES OF SAID TRUSS ASSEMBLIES.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US550972A US3414228A (en) | 1966-05-18 | 1966-05-18 | Connecting member for metal form structures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US550972A US3414228A (en) | 1966-05-18 | 1966-05-18 | Connecting member for metal form structures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US3414228A true US3414228A (en) | 1968-12-03 |
Family
ID=24199313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US550972A Expired - Lifetime US3414228A (en) | 1966-05-18 | 1966-05-18 | Connecting member for metal form structures |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US3414228A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4148852A (en) * | 1974-03-25 | 1979-04-10 | La Mesa Industries, Inc. | Method and apparatus for progressive molding of buildings |
| US4492358A (en) * | 1981-07-23 | 1985-01-08 | Anthes Equipment Limited | Truss shoring system and apparatus therefor |
| US20080128582A1 (en) * | 2003-11-13 | 2008-06-05 | Gustavo Serrano Rodriguez | Metal Formwork With Accessories For Moulding Concrete |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1293838A (en) * | 1919-02-11 | Mckay Concrete Form Company | Arch-mold for concrete construction. | |
| US1498665A (en) * | 1920-08-19 | 1924-06-24 | Macivor William Donnell | Adjustable shoring |
| US1907877A (en) * | 1929-04-01 | 1933-05-09 | Henry W Roos | Apparatus for laying concrete floors |
| US3239188A (en) * | 1964-03-11 | 1966-03-08 | Kwikform Ltd | Shuttering system for use in building construction |
-
1966
- 1966-05-18 US US550972A patent/US3414228A/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1293838A (en) * | 1919-02-11 | Mckay Concrete Form Company | Arch-mold for concrete construction. | |
| US1498665A (en) * | 1920-08-19 | 1924-06-24 | Macivor William Donnell | Adjustable shoring |
| US1907877A (en) * | 1929-04-01 | 1933-05-09 | Henry W Roos | Apparatus for laying concrete floors |
| US3239188A (en) * | 1964-03-11 | 1966-03-08 | Kwikform Ltd | Shuttering system for use in building construction |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4148852A (en) * | 1974-03-25 | 1979-04-10 | La Mesa Industries, Inc. | Method and apparatus for progressive molding of buildings |
| US4492358A (en) * | 1981-07-23 | 1985-01-08 | Anthes Equipment Limited | Truss shoring system and apparatus therefor |
| US20080128582A1 (en) * | 2003-11-13 | 2008-06-05 | Gustavo Serrano Rodriguez | Metal Formwork With Accessories For Moulding Concrete |
| US8210492B2 (en) * | 2003-11-13 | 2012-07-03 | Gustavo Serrano Rodriguez | Metal formwork with accessories for molding concrete |
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