US1591711A - Form for floors - Google Patents
Form for floors Download PDFInfo
- Publication number
- US1591711A US1591711A US556243A US55624322A US1591711A US 1591711 A US1591711 A US 1591711A US 556243 A US556243 A US 556243A US 55624322 A US55624322 A US 55624322A US 1591711 A US1591711 A US 1591711A
- Authority
- US
- United States
- Prior art keywords
- corrugations
- sides
- ribs
- forms
- floors
- 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 - Lifetime
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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
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
- E04B5/36—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Description
July 6,1926. 1,591,711
T. H. KANE--\ FORM FOR FLOORS 1 Filed April 4, 1922 Patented July 6, 1926.
UNITED STATES PATENT OFFICE.
THOMAS H. KANE, F YOUNGSTOWN, OHIO, ASSIGNOR TO TRUSOON STEEL COMPANY, OF YOUNGSTOWN, OHIO, A CORPORATION OF MICHIGAN.
FORM FOR FLOORS.
Ap'plication filed April 24, 1922. Serial No. 556,243.
The forms constituting the subject matter of this application are intended to produce air spaces in concrete slabs and are usually placed end to end in parallel rows with concrete above and between them.
In my prior Patent No. 1,065,449, dated June 2 1, 1913, a form for floors is shown of open box-like shape in which the top has a plurality of main depending transverse ribs and a series of secondary ribs between the main ribs and at substantially right angles thereto. These forms have generally been found satisfactory, but in some cases, as where the form is to support a heavy dead load before the concrete has set, these patented forms are not sufficiently stiff, and the present invention has for its object the production of a form which shall embody no more material than do the patented forms of the same general dimensions, but which shall be capable of carrying a much heavier load with the same deflection.
In the accompanying drawing, Fig. 1 is a diagram showing the original corrugations of the top of this sheet metal form in dotted lines and the deep ribs formed therein which are to give this form sufficient strength. Fig. 2 is a plan of a completed form. Figs. 3 and 41 are sections on the lines 33 and 4.4l of Fig. 2 respectively.
Similar reference characters refer to like parts throughout the several views.
The form shown in the drawing is produced from a sheet 1 of corrugated material,
the original corrugations being transverse to the sheet as indicated at 2 in the several figures. The sheet is bent twice along lines at substantially right angles to the corrugations, the bends 3 being gradual. The
At the time the sheet is bent, the metal which is to constitute the top of the sheet metal form is pressed between dies to produce a series of parallel corrugations or grooves, one corrugation or groove across the top for every two corrugations of the original sheet, the sides of adjacent grooves being united to each other and to the sides of adjacent corrugations by means of substantially cylindrical strips extending parallel to the grooves. The two sides of adjacent corrugations and the cylindrical strip uniting them form a rib 5, and as all the material of the top 6 is used in producing these ribs 5, the stiffness of the finished form is much greater than that shown in the prior patent. is
Fig. 4- shows the ends 7 of the ribs 5 to be of less depth than the middle, but the depth there shown is sufficient as these points are so near the supporting side walls l. This construction also permits these forms to be bent along the lines 3 so that the sides may be at any desired angle to the tops and the lower edges of these sides may be moved toward and from each other to produce the desired air spaces and serve as proper molds for the concrete beams which are to extend between adjacent rows of these forms.
The sizes and proportions of these forms and the spacing and depths of the ribs and corrugations therein may all be changed by those skilled in the art without departing from the spirit of my invention as set forth in the following claims.
I claim 1. A sheet metal form of open box-like shape for producing air spaces in floor slabs, comprising a top and sides integral therewith, said sides having substantially evenly spaced vertical corrugations, the top having evenly spaced transverse corrugations less numerous and deeper than the corrugations of the sides, the corrugations of the top comprising substantially flat sides at an angle to each other integrally connected to each other and to the sides of adjacent corrugations by means of substantially cylindrical strips parallel to said corrugations of the top.
2. A sheet metal form of open box-like shape for producing air spaces in concrete slabs, comprising a top and sides integral therewith, said sides being formed with substantially evenly spaced vertical corrugations, the top being formed with transverse grooves less numerous than the corrugations of the sides, the sides of adjacent grooves being united by means of substantially cylindrical strips extending parallel to the grooves.
THOMAS H. KANE.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US556243A US1591711A (en) | 1922-04-24 | 1922-04-24 | Form for floors |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US556243A US1591711A (en) | 1922-04-24 | 1922-04-24 | Form for floors |
Publications (1)
Publication Number | Publication Date |
---|---|
US1591711A true US1591711A (en) | 1926-07-06 |
Family
ID=24220501
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US556243A Expired - Lifetime US1591711A (en) | 1922-04-24 | 1922-04-24 | Form for floors |
Country Status (1)
Country | Link |
---|---|
US (1) | US1591711A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3924367A (en) * | 1974-02-27 | 1975-12-09 | American Farm Systems Inc | Roof structure |
US5129204A (en) * | 1991-02-28 | 1992-07-14 | Palumbo Joseph D | Metal studs |
US20030115809A1 (en) * | 2000-05-16 | 2003-06-26 | Valerio Pontarolo | Accessory for modular elements for the support and ventilation of crawl spaces, floor structures , floors or similar articles in the building field |
-
1922
- 1922-04-24 US US556243A patent/US1591711A/en not_active Expired - Lifetime
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3924367A (en) * | 1974-02-27 | 1975-12-09 | American Farm Systems Inc | Roof structure |
US5129204A (en) * | 1991-02-28 | 1992-07-14 | Palumbo Joseph D | Metal studs |
US20030115809A1 (en) * | 2000-05-16 | 2003-06-26 | Valerio Pontarolo | Accessory for modular elements for the support and ventilation of crawl spaces, floor structures , floors or similar articles in the building field |
US6941705B2 (en) * | 2000-05-16 | 2005-09-13 | Valerio Pontarolo | Accessory for modular elements for the support and ventilation of crawl spaces, floor structures, floors or similar articles in the building field |
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