Class / Patent application number | Description | Number of patent applications / Date published |
264228000 | FORMING STRESSED CONCRETE ARTICLES | 10 |
20080277821 | Method and apparatus for casting concrete products - A method and an apparatus for casting concrete products substantially with a horizontal slipforming process, the concrete mass in said method being fed by means of at least one feed element ( | 11-13-2008 |
20080296800 | Flyash Aggregate - Described in this specification is a formula for a light weight flyash aggregate for concretes, as well as the method for producing the aggregate and the facilities needed to produce the aggregate. The compaction and bonding of the flyash is facilitated by essentially pure fine washed sands, with the presence of a binding agent that is a caustic soda solution. | 12-04-2008 |
20090152765 | Block press equipment having translating fluid injection apparatus and method of forming building blocks using same - In one embodiment of the present invention, a method comprises a plurality of operations. An operation is performed for depositing a quantity of article-forming media within a media receiving cavity of article forming equipment. After depositing at least a portion of the article-forming media within the media receiving cavity, an operation performed for depositing a volume of a prescribed fluid into the media receiving cavity. Depositing the prescribed fluid includes moving a first fluid delivery device through the quantity of the article-forming media while injecting the prescribed fluid through the first fluid delivery device into the quantity of the article-forming media. | 06-18-2009 |
20100025886 | Concrete Curing Blanket, Method of Making Same, and Method of Curing Concrete - Disclosed is a concrete curing blanket including an impervious layer, an absorbent layer and an acrylic glue configured to adhere to the impervious layer and absorbent layer while immersed in water during at least a prescribed period for curing concrete with an adherence strength that equals or exceeds an internal strength of the absorbent layer. Methods of making and curing concrete with same also are disclosed. | 02-04-2010 |
20100117260 | Block press equipment having translating fluid injection apparatus and method of forming building blocks using same - A block press apparatus provides operations for forming a building block. An operation is performed for depositing a quantity of article-forming media within a media receiving cavity of article forming equipment. After depositing at least a portion of the article-forming media within the media receiving cavity, an operation performed for depositing a volume of a prescribed fluid into the media receiving cavity. Depositing the prescribed fluid includes moving a first fluid delivery device through the quantity of the article-forming media while injecting the prescribed fluid through the first fluid delivery device into the quantity of the article-forming media. | 05-13-2010 |
20100181699 | CONCRETE SLEEPER AND METHOD FOR PRODUCING THE SAME - Method of manufacturing a concrete sleeper, comprising the following steps: insertion of pre-stressing rods into a sleeper mould, simultaneous automated tensioning of the individual pre-stressing rods, filling of the sleeper mould with concrete, leaving of the concrete to harden, removal of the concrete sleeper from the mould, wherein for one concrete sleeper more than four, in particular five to eight, pre-stressing rods are used and the pre-stressing rods are tensioned individually yet simultaneously. | 07-22-2010 |
20100314795 | METHOD FOR THE PRODUCTION OF SWITCH TIES, AND SWITCH TIES PRODUCED ACCORDING TO SAID METHOD - Disclosed is a method for continuously producing switch ties which differ from one another with respect to the length thereof and the mounting position of rail fastenings. Said method comprises the following steps: one or more supporting metal sheets and/or one or more internal molds are mounted in a tie mold according to the length and the shape of the switch tie to be produced, or at lease one tie mold is used which is adapted to the geometry of the switch tie to be produced; bracing bars are inserted as a reinforcement; the bracing bars are simultaneously tightened in an automatic manner by means of pairs of spindles, each bracing bar being individually tightened; concrete is filled into the tie mold; the switch tie is allowed to set; the switch tie is removed from the mold. | 12-16-2010 |
20110127691 | FACTORY FOR THE MOLDING MANUFACTURE OF PRECAST CONCRETE VOUSSOIRS FOR THE CONSTRUCTION OF WIND GENERATOR SUPPORT TOWERS - A factory for the molding manufacture of precast concrete voussoirs for the construction of wind generator support towers, the concrete voussoirs manufactured by molding in said factory, and a wind generator support tower at least partially constructed by concrete voussoirs manufactured by molding in said factory, as well as to the operating method of said factory. | 06-02-2011 |
20110316189 | SELF-MENDING COMPOSITES INCORPORATING ENCAPSULATED MENDING AGENTS - A cement mixture is disclosed that includes an aqueous mending agent that is disbursed within but isolated from the cement mixture, wherein the aqueous mending agent will form molecular bonds with hardened cement that is formed by the cement mixture when the mending agent is permitted to flow within the hardened cement. | 12-29-2011 |
20160060868 | METHOD AND APPARATUS FOR CASTING PREFABRICATED PRESTRESSED CONCRETE PRODUCTS - A method and an apparatus for casting prefabricated prestressed concrete products with a substantially horizontal slipform casting process, in which method reinforcement strands are stressed in a bundle on a casting bed before the slipform casting is started, wherein the expected behavior of at least one measurable variable affecting the strand stressing process during the strand stressing process is predetermined, and the behavior of the at least one measurable variable is measured and compared to its predetermined expected behavior during the strand stressing process. | 03-03-2016 |