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4485604 |
Modular building elements which form when assembled a network of conglomerate or reinforced concrete to form a bearing structure which is also anti-seismic
Modular building elements which form when assembled a network of conglomerate or reinforced concrete as a bearing structure which is also anti-seismic. The modular elements are to be used for...
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4463872 |
Pressure vessels
To enable the benefits to be obtained simultaneously of using cast iron as a major constituent and of using helical prestressing, the cylindrical wall structure of a pressure vessel (which may be...
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4458458 |
Lined tank and method for fabricating the same
A lined tank comprises a plurality of lining plates attached to the inside surface of the tank, concrete shutterings disposed inside of the lining plates and embedded in concrete, shaped steel...
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4424194 |
Process for extraction of metals from leachable ores and forming of building materials
The method for extraction of precious metals from leachable ores and forming a building materials which includes the steps of crushing a quantity of leachable ore into a powder of substantially...
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4398378 |
Building construction system component parts and method for assembling same
A system is described for erecting an apartment house or dwelling house from prefabricated components of concrete or other self-hardening materials, the components comprising wall panels, floor...
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4380887 |
Insulated structural block
The invention comprises an insulated structural block for masonry construction formed to accept rigid insulating foam insert panels and shaped to minimize the transfer of heat by conduction through...
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4366608 |
Method for manufacturing fluid contacting device
According to the invention, there is provided a method for manufacturing a fluid contacting device according to which a single side wall of vertically continuous hollow prism-shaped elements is...
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4348344 |
Method and device for producing slotted concrete walls in place
A method and device for producing a slotted concrete vertical wall. A pair of vertically extending forms having vertically extending ridges are positioned on the final use site of the slotted wall....
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4313789 |
Lightweight refractory fiber burner block
A light-weight thick-walled unitary burner block adapted to embrace a burner installed in the wall of a high temperature furnace. The block is formed of spun refractory fibers accreted by vacuum...
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4299070 |
Box formed building panel of extruded plastic
A box formed building panel has a section in the end walls that joins the panel to an adjacent panel and seals the joint against heat loss. The joining and sealing functions may be combined in a...
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4288960 |
Interlocking building block
A rectangular building block with surface indentations corresponding to a geometrical arrangement of rhombic dodecahedral elements. The indentations are designed to interlock closely with those of...
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4285179 |
Plate shaped prefabricated guilding element and a process for the production of walls by using these elements
A substantially crack-free load-bearing wall of prefabricated building elements and method of producing the same comprising a plurality of pre-fabricated building elements made of light-weight...
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4229123 |
Inclined retaining wall and element therefor
An inclined retaining wall for retaining and securing the slope of an inclined piece of terrain comprises a plurality of horizontal rows of prism-shaped elements, which rows of elements are...
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4228628 |
Building blocks and connector means therefor
There is provided a masonwork which consists of stacked building blocks forming several superimposed horizontal courses. The upper sides of blocks in lower courses and the undersides of blocks in...
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4227829 |
Soil erosion prevention blocks
The invention relates to a device for use in controlling soil erosion comprising a matrix of cellular concrete blocks, having foliage growth passageways therethrough, and held together by a series...
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4187069 |
Combination die and pallet assembly
A combination die and pallet assembly upon which mortarless interlocking cementitious blocks of the type having a plurality of cast male projections thereon, includes a die and pallet plate of...
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4186540 |
Interlocking cementitious building blocks
Cementitious building blocks having upstanding male projections on one planar surface so as to be disposed in a particular geometric array which locates the projections in the corners of passages...
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4175888 |
Block for constructing breakwater
A block of this invention for constructing a breakwater is characterized by having a front wall provided with a horizontal hole, an intermediate wall, a rear wall and a pair of spaced apart...
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4125979 |
Construction unit
Lightweight and structurally efficient construction or building units of cementitious materials and the method of making these units. Prefabricated cementitious strips or slabs are aligned with...
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4110949 |
Building block
A construction block of generally rectangular form having parallel upper and lower faces between which extend, through the block, one or more wide apertures and a plurality of narrow holes; the end...
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4086740 |
Blocks of refractory concrete
Refractory concrete blocks e.g. furnace wall lining blocks, have a through hole for attachment of the block to a support by a bolt. The hole has a narrow portion next the support and a wider...
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4074494 |
Large-size plate-shaped building elements and process for making the same
In a process for making large-size building elements called "plate bricks" of ceramic material, which comprises preparing the ceramic material, forming it to large-size plate-shaped bricks, drying...
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4069809 |
Solar heat collecting porous building blocks
A solar heat collecting building block, having top, bottom, front, back and side surfaces, the block having at least one vertical passage extending therethrough from the bottom surface to the top...
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4055928 |
Casing brick, and a method and apparatus for making the same
A casing brick comprising a hollow insulating insert, and a two-part concrete shell which substantially encloses the insert, two projections extending from the insert and positioned between the two...
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4041660 |
Self-aligning blocks
A self-aligning construction block consisting of a basic double block having two flat vertical sides connected by two flat vertical end surfaces, the sides being twice the length of the ends with...
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4041666 |
Modular concrete building components for a light-weight structure system
A light-weight modular building component of conventional concrete, formed by a unitary or composite rectangular panel having transversely therethrough at least a large centralopening--and also a...
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3923410 |
Perforated interlocking slab
A perforated interlocking concrete slab, for example moulded from cement, intended for use for example for consolidating turfed areas or sloping banks, has an outline which includes portions that...
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3895469 |
Roof and wall panel system
A panel system of structural foam modules for finish covering and weatherproofing roofs and exterior walls. The panels are fastened to sheathing or furring strips with concealed screw shank nails...
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3890751 |
Post hole block
A molded concrete block for stabilizing a fence post by constituting a solid heavy footing at and below the soil level, the block being rectangular in horizontal section with a post hole down the...
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3871146 |
CONSTANT MODULE SYSTEM
A modular construction system comprised of a plurality of modular constructional units which are capable of being linked to similar modules in order to form a chain or constructed assembly thereof....
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3855751 |
BUILDING BLOCK
This specification discloses a precast concrete structural member which is in the form of a generally elongated upright beam, preferably of a sufficient height to extend from the foot to the top of...
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3855752 |
MASONRY BLOCK AND BUILDING PANELS
A masonry building block capable of being used in prefabricated structural panels is provided and includes cores therethrough to receive reinforcing rods in the height of the prefabricated panel.
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3849960 |
MODULAR BUILDING CONSTRUCTION
Building walls are constructed by erecting conventional studs and then applying specially constructed pre-fabricated wall modules over the studs. The modules are constructed of any of a variety of...
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3849586 |
ELECTRIC ARC FURNACES AND REFRACTORY SHAPES THEREFOR
Specially shaped refractory bricks which form openings or channels through a wall formed therefrom are used in the sidewalls of electric arc furnaces adjacent the roof for the purpose of admitting...
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3846946 |
PRECAST CONCRETE BUILDING CONSTRUCTION
Precast and stressed concrete slabs or panels having parallel openings therethrough are provided with integral spaced short beams extending outwardly from between openings and of a length a little...
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3838535 |
TOY BLOCKS DIMENSIONED AND CONFIGURED FOR PLURAL CONNECTIONS
The invention relates to toy building brick of rectangular cross-section 2a × a and any arbitrary length X × a. These bricks are characterized by n cube-shaped openings of the volume a × a × a...
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3791092 |
HOLLOW BOX SUPPORT
A hollow box support comprising a reinforced lower structural element at least partially formed of concrete, and a reinforced upper structural element at least partially formed of concrete, both...
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3731448 |
DUCT TERMINATOR
A duct terminator for use in the concrete wall of an underground vault, or the like, for housing electrical equipment, such terminator including a pair of barrier walls spaced apart at a distance...
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3593480 |
PLASTIC SHELL CONSTRUCTION BLOCK
A construction block and block assembly thereof is disclosed comprising a formed, finished appearing plastic shell having cavities filled with cementitious material which are separated by pocket...
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3538656 |
PREFABRICATED SECTIONAL ELEMENTS FOR CHIMNEYS AND DROPPING-CHUTES
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3487596 |
ROOF WITH SKYLIGHT AND HOLLOW STRUCTURAL BEAM ELEMENTS THEREFOR
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3478482 |
BUILDING BLOCK CONSTRUCTION
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3461631 |
COMPLEMENTARY MODULES AND STRUCTURES THEREFROM
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3455075 |
MODULAR BUILDING UNIT
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3442058 |
CONCRETE FLOOR CONSTRUCTION WITH DUCT-FORMING VOIDS
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3416276 |
Masonry walls and partitions and method of fabricating same
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3416281 |
Clay tile building block with passageways
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3416272 |
Thin pre-stressed concrete slab
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3391507 |
Building block for wall construction
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3389523 |
Shell structure for stairsteps
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