US830494A - Building construction. - Google Patents

Building construction. Download PDF

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US830494A
US830494A US19623404A US1904196234A US830494A US 830494 A US830494 A US 830494A US 19623404 A US19623404 A US 19623404A US 1904196234 A US1904196234 A US 1904196234A US 830494 A US830494 A US 830494A
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Prior art keywords
strips
beams
metal
tongues
flange
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US19623404A
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Cornelius Collins
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Cornelius Collins
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/16Load-carrying floor structures wholly or partly cast or similarly formed in situ
    • E04B5/32Floor structures wholly cast in situ with or without form units or reinforcements
    • E04B5/36Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor
    • E04B5/38Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element
    • E04B5/40Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element with metal form-slabs

Description

No. 830,494. PATENTED SEPT. 11, 1906. v G.- COLLINS.
BUILDING CONSTRUCTION. APPLIOATION FILED MAB..2,1904.
w (finesse: Inventor:
cmwqolww' 9 y Q M THE NORRIS pzrzns ca, WASHINGTON, n. c. v
UNITED STATES PATENT oEEIoE.
Specification of Letters Patent.
Patented Sept. 11, 1906.
Application filed March 2,1904. Serial No. 196,234.
To all whom it may concern.-
Be it known that I, CORNELIUS COLLINS, a citizen of the United States, residing in the city and county of San Francisco, State of California, have invented certain new and useful Improvements in Fireproof Building Construction, of which the following is a full and clear description, reference being had to the accompanying drawings, forming part of this specification, and in which similar characters of reference indicate like parts throughout the several views.
My invention relates to certain new and useful improvements in fireproof building construction where structural metal is used and where arallel strips of sheet metal having little in erent rigidity in themselves are so connected with each other and with supporting-beams by lateral or transverse braces as to form rigid structures capable of supporting mortar, concrete, or other plastic material which will harden after application, whereby the metal and concrete become mutually supporting and are especially useful in the construction of ceilings and floors ,which it is desired to render fireproof and where it is desirable to protect the metal from the direct action of heat or from destruction by oxidation or other cause.
My present invention consists of the parts and the constructions and combinations of parts which I will hereinafter describe and claim.
Figure 1 represents a cross-sectional view of two I-beams and an intermediate strip, showing the ends of the strip split longitudinally, with one of the split portions given a partial twist and extended over the flange of the Ibeam and bent thereunder and the other split portion partially twisted and extended substantially parallel with the web of the beam to form a haunch. Fig. 2 is a view similar to Fig. 1, showing the strip with a quarter-twist proximate to the beam and thence carried over the beam and extended to and between the courses of a wall, said extended portion being slitted transversely and longitudinally to form a bendable tongue,
which is turned under the flange of the beam to lock therewith. Fig. 3 is a view similar to Fig. 2, but showing the extended end part of mentwith the part ofthe strip. Fig. 4 is an enlarged perspective view of the end portions of the strips of Fig. 3 and one of the beams. Fig. 5 is a modified perspective view of Fig. 2. Fig. dis a perspective view of a modification.
In modern methods of building it is the tendency to eliminate wood and combustible material to as great an extent as possible and to substitute in lieu thereof wherever practi- 1 cable steel, brick, stone, concrete, and other non-combustible materials. It is also desirable on account of the costly character of such structures to economize the interior space as much as possible by making the interior wall, ceilings, and floors as thin as is consistent with strength and sufficient solidity to maintain them in place Without vibration and to make them fireproof and resistant.
The essential object of my invention is to still further economize in the cost of such structures by using thin sheet metal cut into strips which of themselves have little or no rigidity or tensile Strength in the direction of r the thickness of the metal, and preferably by a series of slots and tongues or connecting braces or ribs these said Stripsbeing set up into structures of the forms required in building, and by their union with each other and with adjacent parts a sufficient stiffness is given to them in the direction of the thickness of the metal, while transversely or from edge to edge they stand in the direction of such strains as are liable to come upon them and by their union are rendered as rigid in this direction as the heavier angle or other iron ordinarily. used. In conjunction with these metallic structures I employ mortar, concrete, or other plastic material which will afterward harden, and th s is Spread over and '9 5 through the structure, the slots of which. enable it to unite and form a continuous bond; whereby the hardened material and the metal form mutual supports for each other, while the metal being covered by and embedded in the material is protected from the action of heat in case of conflagration and is made almost absolutely fireproof.
The metal which I employ may able or desired thickness; but, as previously stated, for the sake of cheapness in construction I prefer to use sheet metal which is too thin to support itself in single pieces or strips unaided. These strips A, I have herein shown as being very similar to the same be of suitstrips of my former patent, No. 640,445, dated January 2, 1900, to the extent that they are longitudinally slitted at desired points to form the tongues 13 and which tongues may be struck out from the central portions of the stri or from the edge thereof, as in Fig. 6, as ful y disclosed in said former patent. In the present case, Figs. 1, 2, 3, 4, and 5, I show the tongues struck out from the central portions of the strips, and for the sake of economy I show the tongues separated from the strips in such manner that one end of the tongue remains attached to the main strip, as at 3, said tongue of one strip being carried across the space between said strip and an adjacent like one and being locked or attached to the other by any of the methods em loyed for connecting two pieces of metal to form a rigid brace therebetween.
The strips A made as herein described have suflicient stiffness edgewise for the purposes for which they are used, and the tongues or connecting-braces, which are preferably but not necessarily cut from them, do not materially weaken the structure, at the same time providing all that is necessary for such braces without additional metal, and when used in conjunction With the plastic material the strength and rigidity be come suflicient for all purposes for which it can be used. In conjunctlon with the strips I employ any form of metallic lathing or support for concrete or like plastic material, in which the strips may be embedded, and said strips thus form a support for the material and enable it to be put on at once Without the necessity of using removable centers.
In Fig. 1 I show the strips extending transversely from one I-beam C to another, said strips being laid 011 edge and being given a twist at a adjacent to each beam, whereby one or both of the end portions A of the strips may be laid flat upon the flanges of the beams. The end portlons A of the stri s are split longitudinally, and one of the sp it mem ers b is carried over the flange of the beam and has its end or terminal bent under said flan e, while the other split portion or member 3' is given, say, a half-twist and bent downwardly parallel with the inner side of the flange of the beam and has its lower end adapted to seat upon the top of the lower flange of the beam, said member I) thus forming a haunch or the arch of the strips. The lower ends of the members I) may be bent at right angles, as shown at 17 to form a shoe or foot, which may be supported on or secured to the flange of the beam by any well-known method in use for this class of Work.
In Fig. 2 the construction is somewhat modified. For instance, in said figure the end portion A of the stri is split at an intermediate point from one e ge to form a tongue 0, which is bent under the flange of the beam, the remaining portion being extended besso,494
yond the beam and being fixed between the courses of a brick or stone wall W.
In Figs. 3 and 4 is a further modification, wherein the end portion A of the strip is split at the side at an intermediate point to form the tongue a which is bent under the top flange of the beam, said portion A thence extending entirely around the beam and being returned to the main part of the strip and fastened thereto by any suitable means. The end portion of the strip which thus passes around the beam may be out of contact with the lower flange thereof, and thereby leave a space which may be filled with concrete or similar plastic material, so that the beam will be entirely embedded in the concrete and be protected from the direct action of fire. The formation of the tongues and the bending of these arts around the flange of the beam not on y forms a secure look, but in the bending operation all slack in the thin strip A is taken up and said strip is drawn tight and under proper tension. If desired, the ceilings below the strips may be supported from the horizontally-disposed strips by means of hooks D, (shown in Fig. 4,) the shanks of said hooks depending from the strips and having their lower ends upturned or otherwise formed to engage with and sustain the ceiling directly from the strips, it being understood that the said hooks are suspended directly from the strips and from the bent-out tongues or braces thereof, if desired, at such points as may be necessary and which experience shows best adapted for the purpose in'view.
The structure which I have invented util- I i zes every available unit of tensile strength in the sheet-iron or other sheet material of which my bond is com osed, as all the strips of such material are placed with their width in the line of the strains to which the whole fabric is subjected, thereby saving the entire practical tensile strength of such bond material.
The tongues throughout their length are of uniform width, so that the structure has imparted to it by means of the adhesion of the plastic material the entire strength of the tongues, and the material taken from the strips and used for tongues or braces can be so used without sacrificing the tensile strength of the completed structure, and by utilizing such material for the tongues or braces economy in material and lightness in weighth are ga ned. When the plastic material is set, I have then a continuous fireproof floor construction of great rigidity and tensile strength forming a slab with a projecting beam or girder on two or all of its sides and a floor which for lightness, rigidity, and tensile strength is fully equal, if it does not surpass, the former constructions employed for a like purpose.
Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is I 1. The combination with beams or like fixed ortions of structures, of strips of metal in su stantially parallel rows extending between and across the beams, and having slots made through them, and uniting-tongues, said stri s connecting with the beams and having their ends fixed in the walls and uniting said Walls to the interior steel structure.
2. The combination with beams and like portions of structures, 0 strips of metal in substantially parallel rows extending between and across the beams, and having slots made through them, and uniting-tongues, and hangers suspended from the strips and adapted to engage and suspend the ceiling below.
3. The combination with flanged beams and like portions of structures, of strips of metal in substantially parallel rows extending between the beams, said strips being twisted proximate to the beams and having a portion carried over the beam and rovided with a tongue which is bent under t e flange of the beam to lock thestrip to the beam.
4. The combination with flanged beams and like portions of structures, of strips of metal in substantially parallel rows extending between the beams, said strips being bent proximate to the beams and each having one portion carried over the beam and provided with a tongue which is bent under the flange of the beam and locked thereto, and another tended beyond said tongue and substantially parallel with the web of the rail, and having its end secured, and hangers suspended from the strips and adapted to engage and suspend the ceiling below.
In witness whereof I have hereunto set my hand.
CORNELIUS COLLINS. Witnesses:
HENRY P. TRIooU,
S. H. NOURSE.
US19623404A 1904-03-02 1904-03-02 Building construction. Expired - Lifetime US830494A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3367084A (en) * 1965-06-14 1968-02-06 Gateway Erectors Inc Load bearing reinforced concrete structure
US3522685A (en) * 1967-04-06 1970-08-04 Georgi Oroschakoff Mesh reinforcement for reinforced concrete structures
US4471592A (en) * 1982-12-10 1984-09-18 Mackinnon Jr Donald J Strapping band for retaining insulation between wall studs and method of manufacture and use
US4493177A (en) * 1981-11-25 1985-01-15 Grossman Stanley J Composite, pre-stressed structural member and method of forming same

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3367084A (en) * 1965-06-14 1968-02-06 Gateway Erectors Inc Load bearing reinforced concrete structure
US3522685A (en) * 1967-04-06 1970-08-04 Georgi Oroschakoff Mesh reinforcement for reinforced concrete structures
US4493177A (en) * 1981-11-25 1985-01-15 Grossman Stanley J Composite, pre-stressed structural member and method of forming same
US4471592A (en) * 1982-12-10 1984-09-18 Mackinnon Jr Donald J Strapping band for retaining insulation between wall studs and method of manufacture and use

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