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A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
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| Number | Title | Issue Date |
| 7811495 | Composite construction members and method of making A method of forming a hollow composite construction member of the type suitable for use as building material includes providing an elongated inflatable mold assembly having a longitudinal axis, a flexible tubular bladder wall defining an elongated inflatable cavity,... | 10/12/2010 |
| 7727446 | Concrete floor manufacturing station and method of manufacturing a concrete floor A manufactured building system has a pair of pre-stressed multi-stemmed concrete floors. The pre-stressed multi-stemmed concrete floors are adapted to contact each other on one parallel side edge to form peripheral edges and a central joining edge. A part of a build... | 06/01/2010 |
| 7666340 | Method and system for forming structural building blocks having a cured binding material therein A method for fabricating structural building blocks having a cured binding material dispersed within block forming media thereof comprises a plurality of operations. An operation is performed for depositing a volume of block-forming media within a media receiving ca... | 02/23/2010 |
| 7343718 | Method for making multiple-part concrete pole This invention relates to pole structures used for supporting transmission and distribution lines, lighting and communications systems, highway signs, traffic signals, and the like. More specifically, this invention relates to a new and useful design of a multi-sect... | 03/18/2008 |
| 7216842 | Pocket former A pocket former includes an outer barrel having a first rim, a second rim and a frustoconical body portion extending from the first rim to the second rim. A center barrel is connected to the outer barrel and has a proximal lip adjacent the first rim of the outer bar... | 05/15/2007 |
| 7216467 | Column to structure attachment device A column to structure attachment device and method is disclosed for securing a support column between a base structure and a beam structural member. The device includes a structural column having a first end and a second end with a void parallel to a longitudinal ax... | 05/15/2007 |
| 7171787 | Rectangular tilt-up concrete tank construction A rectangular tilt-up concrete tank includes a concrete slab with a metal plate anchored thereto, the metal plate defining at least one substantially linear concrete side wall location. A plurality of preformed concrete side panels each having metal plates attached ... | 02/06/2007 |
| 7143991 | Reinforcing bar joint sleeve fixing device A reinforcing bar joint sleeve fixing device for fixing a reinforcing bar joint sleeve disposed in the interior of precast concrete to a molding form in fabricating a precast concrete structure with use of the molding form, which device permits both axial and radial... | 12/05/2006 |
| 7107730 | PSSC complex girder A PSSC complex girder in which a section shape steel structure is formed by joining one or more section shape steel. The PSSC complex girder includes a tension means for tensioning the section shape steel structure with a tensional member so that the structure has a... | 09/19/2006 |
| 7067002 | Unitized fibrous concrete reinforcement The present invention relates to a fibrous construct which is used in providing cementitious mixtures supplemental and reinforcing strength upon setting, and more particularly, to a unitized fibrous construct which comprises a plurality of oriented reinforcing fibro... | 06/27/2006 |
| 7059091 | Tension member A tension member comprising a plurality of fiber filaments gathered into a plurality of strands. The filaments run close together, and a protective sheath is provided around the strands. Each strand is coated on the exterior thereof with a strand sheath of a materia... | 06/13/2006 |
| 7056463 | Method of manufacturing prestressed concrete Pre-tension and post-tension processes for the manufacture of pre-stressed structures in which bonded carbon fiber cables are provided with burial anchors and temporary anchors outward of the burial anchors. The burial anchors are embedded in the structure. The temp... | 06/06/2006 |
| 7017316 | Concrete panel construction system A concrete building panel has a slab and a plurality of ribs and beams. A series of horizontal holes in the end ribs are spaced at a selected constant spacing such that adjacent panels may be fastened together through them. In one type of panel, the slab is separate... | 03/28/2006 |
| 6973755 | Column to structure attachment device A column to structure attachment device and method is disclosed for securing a support column between a base structure and a beam structural member. The device includes a structural column having a first end and a second end with a void parallel to a longitudinal ax... | 12/13/2005 |
| 6954974 | Method of constructing a rail track on a concrete slab and a temporary tie plate for use in the method In a method of constructing a rail track on a concrete slab, the concrete slab is poured around anchor members for fixing tie plates supporting the rails of the rail track. The method includes the following steps: suspending the rails premounted on their tie plates ... | 10/18/2005 |
| 6951686 | Architectural concrete and process to make same A concrete article comprised of concrete having therein a reinforcing polymer that has a surface comprised of a thermoplastic hydroxy-functionalized polyether or polyester. The concrete article is made by mixing concrete, water and a reinforcing polymer that has a s... | 10/04/2005 |
| 6913717 | Method of constructing a rail track in which a concrete track slab is produced and rail track anchor members are inserted into the track slab A method of constructing a rail track in which a concrete track slab is produced and rail track anchor members are inserted in the track slab by an inserter system mobile along the route of the rail track includes the following steps: using a machine for continuousl... | 07/05/2005 |
| 6911165 | Method for fabricating concrete slabs using a horizontal slip casting process A method is provided for fabricating a concrete slab in a substantially horizontal slip casting process method, concrete mix is fed into a mold through a delimited cross section moving progressively in the casting process so as to form a concrete product of a desire... | 06/28/2005 |
| 6877688 | Preparing strand cable for concrete mold A method and apparatus is disclosed to prepare strand segments of predetermined length for use in a molded concrete product at an assembly facility. The strand segments are loaded into a strand reel (10) having multiple slots. The strand reel is then transpor... | 04/12/2005 |
| 6878315 | Method and apparatus for casting a concrete product A method and apparatus are for fabricating a concrete product in a slip-form casting process, in which method concrete mix is fed into a slip-form mold of a defined cross section moving progressively in the casting process so as to obtain a concrete product of a des... | 04/12/2005 |
| 6871839 | Strand feeder device An apparatus is disclosed to feed strand (30) through apertures (214) in bearing plates (60) and bulkheads (202) in a mold (62). A collar (210) can be attached to a rod (208) for limited motion relative thereto, inclu... | 03/29/2005 |
| 6861459 | Oligomeric dispersant A dry cast article and method for making the same, wherein the dry cast article includes an oligomeric dispersant that is a reaction product of two or three moieties is provided. To make a dry cast article, hydraulic cement, water, coarse aggregate, fine aggregate, ... | 03/01/2005 |
| 6842960 | Method of feeding strand into a mold A method is disclosed to feed strand (30) through apertures (214) in bearing plates (60) and bulkheads (202) in a mold (62). A collar (210) can be attached to a rod (208) for limited motion relative thereto, including... | 01/18/2005 |
| 6785355 | Method and system for manufacturing storage container for storing nuclear fuel A method for storing nuclear fuel in a container (10) including a concrete body and a fuel receiver embedded in the concrete body, comprises the steps of: providing formwork (62) for the concrete body and supporting the fuel receiver within the formwor... | 08/31/2004 |
| 6773650 | Prestressed concrete casting apparatus and method A prestressed concrete casting apparatus includes a prestressing element (e.g., wire cable or rod) pretensioning fixture of simple easy to use construction, and great strength/rigidity for withstanding considerable pretensioning forces. Advantageously, a clamshell-t... | 08/10/2004 |
| 6771731 | Device for storage of hazardous material A device (10) for storage of hazardous material, especially heat-producing hazardous material, such as radioactive spent nuclear reactor fuel, comprises a substantially cylindrical reinforced concrete body (12) and has an axially elongate storage space... | 08/03/2004 |
| 6732418 | Method of constructing a rail track on a concrete slab and a temporary tie plate for use in the method A method of constructing a rail track on a concrete slab, in which method the concrete slab is poured around anchor members for fixing tie plates supporting rails of the rail track, includes the following steps: suspending temporary tie plates at the location where ... | 05/11/2004 |
| 6652791 | Method of manufacturing a reinforced oblong concrete driving pile for longitudinal load-bearing purposes The invention relates to a method of manufacturing a reinforced oblong concrete product for longitudinal load-bearing purposes, in particular a driving pile. According to the present invention reinforcing fibers are used to prevent break-up of the concret... | 11/25/2003 |
| 6634147 | Process for the installation and tensioning of a brace having a false bearing, in particular a stay cable for a cable-stayed bridge and anchoring device with which to carry out the process In order to install or tension a brace (1) having a false bearing, for example a stay cable for a cable-stayed bridge, an external tensioning member or similar comprising a bundle of plastic-sheathed individual elements (2) made of steel, for example, wir... | 10/21/2003 |
| 6596214 | Method for manufacture of improved structural panel The present invention comprises a method for the manufacture improved structural panel with synthetic ingredients, such as vermiculite and fibers. The improved structural panel achieves enhanced lateral and surface integrity by the use of fibers within th... | 07/22/2003 |
| 6561780 | System and assembly for the manufacturing of prestressed reinforced concrete railroad ties and the like Apparatus for the manufacturing of prestressed reinforced concrete railroad ties and the like in which the apparatus consists of an elongated spine or compression member which has no foundation but rather is independent of the supporting surface upon whic... | 05/13/2003 |
| 6416693 | Method of strengthening an existing reinforced concrete member Parallel spaced shallow grooves are cut within the surface of an existing reinforced concrete member in the direction of bending and at locations where existing tensile reinforcing is inadequate. A curable polymer adhesive resin, such as an epoxy resin, i... | 07/09/2002 |
| 6409423 | Prestressed pavement system A prestressed pavement has apparatus to prestress the slabs, has slab abutments to resist the prestress force, has short-life friction-reducing medium to prevent the slab early cracking, has restraints to prevent the slab buckling, and has accumulators to... | 06/25/2002 |
| 6383420 | Method for the variable manufacture of concrete railroad ties A method for a variable manufacture of concrete railroad ties, with or without prestressed reinforcement, is provided wherein molds are cleaned in a preparation station and provided with the reinforcements, and are subsequently filled with concrete in a c... | 05/07/2002 |
| 6374475 | Method for manufacturing prestressed reinforced concrete railroad ties Methods and apparatus for the manufacturing of prestressed reinforced concrete railroad ties in which the apparatus consists of an elongated spine or compression member which has no foundation but rather is independent of the supporting surface upon which... | 04/23/2002 |
| 6284336 | Filled composite structure with pre-stressed tendons A filled structure includes a fiber reinforced resinous hollow structure having a tensile strength of at least 30,000 psi, and an inside surface forming a boundary which defines a space. A hard core is provided within the space. The hard core has a densit... | 09/04/2001 |
| 6238545 | Composite anode, electrolyte pipe section, and method of making and forming a pipeline, and applying cathodic protection to the pipeline An anode is embedded in an electrolyte layer applied to the surface of a structure such as a pipe section to provide an ionic conductive path between the anode and structure to supply cathodic protection to the structure, where the natural environment may... | 05/29/2001 |
| 6209274 | Vent flow apparatus and method A vent flow apparatus and method for general application in venting and filling air pockets in conduit or duct type apparatuses designed for passage of material therethrough is provided including a hollow vent flow conduit preferably in the form of a tube... | 04/03/2001 |
| 6200678 | Corrosion resistant coated metal strand Concrete strengthening members, particularly prestressing tendons such as strands of steel wire, are provided with a strongly adherent plastic coating which may be substantially impermeable for improved corrosion resistance, and/or which may have embedded... | 03/13/2001 |
| 6155810 | Mould bed for manufacturing pre-stressed concrete elements A mold bed for fabricating pre-stressed concrete elements has a mold frame (8) that extends between the ends of the bed. Tensioning heads are mounted at the bed ends for tensioning reinforcement ropes or lines (10) extending in the mold cavity. The mold f... | 12/05/2000 |
