Patent application number | Description | Published |
20110139313 | MANUFACTURING METHOD OF ORIENTED SI STEEL WITH HIGH ELECTRIC-MAGNETIC PROPERTY - A manufacturing method of oriented Si steel with high electric-magnetic property comprises the following steps: smelting steel in converter or electric furnace; refining molten steel in two stages; continuous casting to obtain slab; hot rolling; first cold rolling; decarburizing annealing; secondary cold rolling; applying an annealing separator based on MgO and annealing at high temperature; applying an insulating coating and leveling tension annealing. The slab comprises (in wt %): C 0.020-0.050%, Si 2.6-3.6%, S 0.015-0.025%, Als 0.008-0.028%, N 0.005-0.020%, Mn 0.15-0.5%, Cu 0.3-1.2%, balance Fe and inevitable impurities, in which 10≦Mn/S≦20 and Cu/Mn≧2. The method could produce oriented Si steel with high magnetic induction intensity and low iron loss at low cost. | 06-16-2011 |
20130304263 | METHOD AND APPARATUS FOR CONTROLLING A FURNACE PRESSURE OF A CONTINUOUS ANNEALING FURNACE - A method for controlling furnace pressure of a continuous annealing furnace is disclosed. The method comprises detecting a coal gas flow volume and an air flow volume in each section by use of a coal gas flow volume detector and an air flow volume detector disposed in each section of a continuous annealing furnace, respectively, adding up the coal gas flow volume detected in each section to obtain a total input coal gas flow volume; adding up the air flow volume detected in each section to obtain a total input air flow volume, and calculating a pre-combustion gas pressure in the furnace based on the total input coal gas flow volume and the total input air flow volume; detecting compositions of the coal gas and a ratio of the coal gas to the air by use of a composition detector; detecting a pre-combustion gas temperature in the furnace by use of a thermocouple; predicting post-combustion gas compositions and a total gas volume based on chemical combustion reaction equations and based on the total input coal gas flow volume, the total input air flow volume, the coal gas compositions and the ratio of the coal gas to the air; igniting the coal gas and the air in the furnace; and detecting a post-combustion gas temperature in the furnace by use of a thermocouple; calculating a post-combustion gas pressure in the furnace based on the pre-combustion gas pressure in the furnace, pre-combustion gas temperature in the furnace and the post-combustion gas temperature in the furnace; and calculating an opening degree for an exhaust gas fan based on the pre-combustion gas pressure in the furnace and the post-combustion gas pressure in the furnace and by use of a gas increment pass algorithm, and using the opening degree to control the exhaust gas fan. | 11-14-2013 |
20140377124 | Non-Oriented Electrical Steel Plate and Manufacturing Process Therefor - Disclosed are a non-oriented electrical steel plate with low iron loss and high magnetic conductivity and a manufacturing process therefor. The casting blank of the steel plate comprises the following components: Si: 0.1-2.0 wt %, Al: 0.1-1.0 wt %, Mn: 0.10-1.0 wt %, C: ≦0.005 wt %, P: ≦0.2 wt %, S: ≦0.005 wt %, N: ≦0.005 wt %, the balance being Fe and unavoidable impurities. The magnetic conductivity of the steel plate meets the following relationship formula: μ | 12-25-2014 |
20150013844 | Non-Oriented Silicon Steel and Manufacturing Process Thereof - The present invention provides a non-oriented silicon steel with excellent magnetic properties and a manufacturing process therefor. During the manufacturing process of the present invention, the temperature T of the molten steel of steel tapped from a converter during steelmaking and the carbon content [C] and the free oxygen content [O] comply with the following formula: 7.27×10 | 01-15-2015 |
20150013846 | Method for Producing Silicon Steel Normalizing Substrate - A method for producing a silicon steel normalizing substrate comprises steelmaking, hot rolling and normalizing steps. A normalizing furnace is used in the normalizing step, and along a moving direction of strip steel, the normalizing furnace sequentially comprises: a preheating section, a nonoxidizing heating section, a furnace throat, furnace sections for subsequent normalizing processing, and a delivery seal chamber. Furnace pressures of the normalizing furnace are distributed as follows: the furnace pressure of a downstream furnace section adjacent to the furnace throat along the moving direction of the strip steel is the highest, the furnace pressure decreases gradually from the furnace section with the highest furnace pressure to a furnace section in an inlet direction of the normalizing furnace, and the furnace pressure decreases gradually from the furnace section with the highest furnace pressure to a furnace section in an outlet direction of the normalizing furnace. | 01-15-2015 |
20150013847 | Method for Producing Silicon Steel Normalizing Substrate - A method for producing a silicon steel normalizing substrate comprises: steelmaking, hot rolling and normalizing steps. The normalizing step uses a normalizing furnace having a nonoxidizing heating furnace section. The nonoxidizing heating furnace section comprises more than 3 furnace zones. An energy investment ratio of the furnace zones used in the nonoxidizing heating furnace section is adjusted, so as to control an excess coefficient α of the nonoxidizing heating furnace section to be within a range of 0.8≦α<1.0. | 01-15-2015 |
20150034212 | Non-Oriented Electrical Steel Sheet with Fine Magnetic Performance, and Calcium Treatment Method Therefor - A non-oriented electrical steel sheet with fine magnetic performance, and a calcium treatment method therefor, including an RH (Ruhrstahl-Heraeus) refinement step. The RH refinement step sequentially comprises a decarbonization step, an aluminum deoxidation step, and a step of adding calcium alloy. In the step of adding calcium alloy, time when the calcium alloy is added satisfies the following condition: time interval between Al and Ca/total time after ΣAl=0.2-0.8. In this method, production cost is reduced, the production process is simple, a normal processing cycle of RH refinement is not affected, the device is convenient in operation and is controllable, and foreign substances are controllable in both shape and quantities. The non-oriented electrical steel sheet prepared according to the present invention has fine magnetic performance, and the method can be used for mass production of the non-oriented electrical steel sheet with fine magnetic performance. | 02-05-2015 |
Patent application number | Description | Published |
20100148553 | MODULAR CHILD RESTRAINT SYSTEM - A modular child restraint system for use in vehicles comprises a base and interchangeable attachable seats where the seats are for different stages of childhood development. The system can further comprise additional bases adapted to other uses such as strollers and infant swings. A common engagement mechanism allows the various seats to be moved from one base to another. One such system comprises a base and a seat configured to rotate relative to one another when engaged. The seat can also lock in a position relative to the base. The base includes a visual indicator to show that the seat is secured to the base. | 06-17-2010 |
20100314925 | MODULAR CHILD RESTRAINT SYSTEM - A modular child restraint system for use in vehicles comprises a base and interchangeable attachable seats where the seats are for different stages of childhood development. The system can further comprise additional bases adapted to other uses such as strollers and infant swings. A common engagement mechanism allows the various seats to be moved from one base to another. One such system comprises a base and a seat configured to rotate relative to one another when engaged. The seat can also lock in a position relative to the base. The base includes a visual indicator to show that the seat is secured to the base. | 12-16-2010 |
20100319411 | SELF-STEAMING BENEFIT COMPOSITION - Self-steaming benefit compositions for treating fabrics. The present invention relates to compositions which are both self-steaming and include one or more benefit agents to provide benefits to fabrics. The present invention also relates to a method for treating fabrics utilizing the self-steaming benefit compositions of the present invention. | 12-23-2010 |
20110074195 | ACTIVELY SECURABLE BASE FOR A MODULAR CHILD RESTRAINT SYSTEM - A child restraint system for use in vehicles comprises a seat portion and a base. The base secures the child restraint system to a vehicle seat with a vehicle restraint such as a seat belt or a LATCH system. The base both engages the vehicle restraint and includes a force-multiplying mechanism for tensioning the vehicle restraint. Tensioning the vehicle restraint secures the base by forcing the base against the vehicle seat. An embodiment of the base includes a platform configured to rest on the vehicle seat, an upright member joined to the platform, and a tensioning device, including a force-multiplying mechanism, for tensioning the vehicle restraint. | 03-31-2011 |
20110101742 | EXTENDABLE SUNSHADE FOR CHILD CAR SEAT - An all weather sunshade system for infant carriers includes a main sunshade that is pivotally attached to the infant carrier and an integrally provided sunshade extension. The main sunshade is selectively deployable and includes curved semi-rigid members which support a fabric material and includes a front edge. A rear edge of the sunshade extension is secured along the front edge of the main sunshade structure and is sized and shaped so that it may be selectively drawn forward, when the main sunshade is fully deployed, and secured around a front portion of the infant carrier. In doing so, the sunshade extension remains taut following the contours defined by the shape of the front edge of the main sunshade and the perimeter shape of the front edge of the infant carrier. | 05-05-2011 |
20110115264 | CHILD RESTRAINT SYSTEMS - Improvements for child restraint systems are directed specifically to the covers, handles, and harnesses thereof. A child restraint cover is readily removed without having to detach the harness from the seat. A soft and semi rigid child restraint handle includes members that are tied together in a crossover fashion. Another handle of the invention spans above the restraint in a head to foot direction. A further handle design includes dual integrated handles. 5-point and 7-point harnesses that do not require threading a child's limbs through harness loops are also provided. A harness height adjuster is also described. | 05-19-2011 |
20120267925 | MODULAR CHILD RESTRAINT SYSTEM - A modular child restraint system for use in vehicles comprises a base and interchangeable attachable seats where the seats are for different stages of childhood development. The system can further comprise additional bases adapted to other uses such as strollers and infant swings. A common engagement mechanism allows the various seats to be moved from one base to another. One such system comprises a base and a seat configured to rotate relative to one another when engaged. The seat can also lock in a position relative to the base. The base includes a visual indicator to show that the seat is secured to the base. | 10-25-2012 |
20130249202 | MULTI-MEDIA DEVICE HOLDER FOR STROLLER - A multimedia device pouch is provided for attaching to a stroller or other ambulatory vehicle and holding a multimedia device in multiple viewing orientations. The pouch includes fasteners for attaching the pouch to a stroller and a pocket to secure a multimedia device. The pocket includes a window configured such that a user may interact with and view the device through the window while keeping the device secured. The pouch may also include additional fabric and/or fasteners configured to angle the pocket for viewing the multimedia device at various viewing angles. A stroller is also provided with a multimedia device pouch attached to the stroller handle, the stroller handle configured to pivot between multiple operating positions, with the viewing angle of the multimedia device in the pouch changing with the multiple operating positions to provide various viewing alternatives to both stroller passengers and those pushing the stroller. | 09-26-2013 |
Patent application number | Description | Published |
20090302578 | MULTIPLE INTERFACE STROLLER APPARATUS AND SYSTEMS - An apparatus and method for adding an interface to a stroller is described. The apparatus may include a frame supporting a mounting interface for engaging an interface of the stroller, and first and second interfaces, each operable for receiving a removable seating surface. Such an apparatus may be mounted on the interface of a stroller designed to have a single interface for a seat, thereby providing two interfaces for seats. In another example, an apparatus for adding an interface may include an interface for receiving a removable seating surface and a frame operable for attaching to a stroller and supporting the interface. The apparatus may further include an attachment mechanism for attaching to the frame of the stroller and wheels. Such an apparatus may attach to a stroller designed to have a single interface for a seat, thereby introducing at least one more interface for a second seat. | 12-10-2009 |
20100109270 | RIDE ALONG BOARD FOR BABY STROLLER - A baby stroller system is provided including a baby stroller and a ride along board attached thereto for supporting a rider (e.g., a child) while the stroller is pushed. The ride along board may include a platform for the rider to stand upon and at least one wheel for supporting the platform. Additionally, the ride along board is positioned asymmetrically relative to the stroller, e.g., in-line with one of the rear wheel or laterally outside of the stroller wheel base. Further, the platform may be positioned laterally outside of the handlebars, thereby providing more room for the rider (e.g., not having to stand or squeeze between the handlebars) and moving the ride along board and rider away from the moving space of a user pushing the stroller. The ride along board further includes at least three wheels defining a ride along board wheel base, where a center of mass of the ride along board is within the wheel base. The ride along board may be attached to opposing ends of an axle of one of the rear wheels. | 05-06-2010 |