| Patents for B28B 21 - Methods or machines specially adapted for the production of tubular articles (3,281) |
|---|
| 07/28/2011 | US20110180965 Fast nanoimprinting apparatus using deformale mold |
| 07/26/2011 | US7985315 Process for producing unstretched film, process for producing resin-coated metal sheet, and apparatus for producing unstretched film |
| 07/21/2011 | WO2011087098A1 Sintering method |
| 07/21/2011 | DE102007054129B4 Einlauf- oder Sickerschacht mit Abstandshalter zwischen Innenwand und Filtersack Inlet or soakaway with spacers between the inner wall and dustbag |
| 07/20/2011 | EP2344683A2 Nanostructures and process of preparing same |
| 07/20/2011 | CN201900676U Device for casting hollow ceramic sleeves |
| 07/20/2011 | CN102126250A Ribbed prefabricated member template for building |
| 07/20/2011 | CN101670617B Segment overturning platform |
| 07/20/2011 | CN101579890B Vertical type vibratory molding process for concrete tube of lining type prestressed steel cylinder |
| 07/19/2011 | US7981234 Reduced ply separation tail seal |
| 07/14/2011 | US20110169192 In-mold labeling apparatus and method |
| 07/13/2011 | EP2342056A1 Method of making hollow concrete elements |
| 07/13/2011 | CN201895356U Connecting rod for roadway, railway and bridge prestressed power pole processing device |
| 07/13/2011 | CN201895355U Hydraulic mechanism of roadway, railway and bridge prestressed pipeline forming machine |
| 07/13/2011 | CN102120342A Die for male end of heavy caliber socket reinforced concrete pipe |
| 07/13/2011 | CN102120341A Mould for socket end of large-diameter socket and spigot type reinforcement concrete pipe |
| 07/13/2011 | CN102120340A Method for forming spigot end of large-diameter socket and spigot type reinforcement concrete pipe |
| 07/13/2011 | CN102120339A Method for moulding female end of heavy caliber socket reinforced concrete pipe |
| 07/13/2011 | CN101518922B Ceramic-lined composite steel tube centrifuge |
| 07/07/2011 | US20110163480 Method and mold for the production of parts from fiber-reinforced composite material by means of microwaves |
| 07/06/2011 | CN101823293B Method for coating cement lining on pipe fitting |
| 06/29/2011 | CN101612761B Tube pile high-pressure curing energy-saving device and using method thereof |
| 06/28/2011 | US7967933 Reduced ply separation tail seal |
| 06/22/2011 | CN201872246U Forming mould for nonstandard-length PCCPs (prestressed concrete cylinder pipes) |
| 06/16/2011 | WO2011071286A2 Device for coupling a tensile core to the distal and proximal sides of an electric pole |
| 06/15/2011 | CN101250999B Terra-imitating borehole and manufacture method thereof |
| 06/08/2011 | CN201856296U Overhang-roll tubing machine |
| 06/03/2011 | WO2011063979A1 Method and mould for producing concrete pipes having a plastic inner pipe |
| 06/03/2011 | CA2781729A1 Method and mould for producing concrete pipes having a plastic inner pipe |
| 06/01/2011 | DE102010040043A1 Verfahren und Form zum Herstellen von Betonrohren mit Kunststoffinnenrohr A method and mold for manufacturing concrete pipes with plastic inner pipe |
| 06/01/2011 | DE102009055704A1 Manhole base has pipe connections and channels, where manhole base is made of monolithic concrete, where manhole base has spigot |
| 06/01/2011 | CN201848918U Centrifuging and vibrating process unit for producing reinforced concrete pipes |
| 06/01/2011 | CN101190548B Method for isostatic pressing rotary tube |
| 05/26/2011 | US20110123711 Methods for forming metal-polymer hybrid tooling for forming parts having micro features |
| 05/25/2011 | CN101642932B Production process of short tubular piles |
| 05/24/2011 | CA2624824C Refractory component with locking surface and method of forming the same |
| 05/18/2011 | CN201833472U Die for making prestressed hollow square pile by method of vibration forming |
| 05/18/2011 | CN201833471U Opening-supporting tray used in cement pipe production |
| 05/18/2011 | CN201833470U Abrasion-resistant sleeve for cement pipe production |
| 05/18/2011 | CN102059740A Preparation method of prestress high-strength concrete (PHC) tubular pile |
| 05/18/2011 | CN102059739A Production process of lining-type anti-corrosion reinforced concrete pipe |
| 05/17/2011 | US7943217 Fire protection device for a cable or the like of a civil engineering or a structural work |
| 05/12/2011 | DE102009053179A1 Method for manufacturing manhole bottom part from concrete with individual channels, involves placing individually designed channel negative on inner cap, where inner cap serves as mold core |
| 05/11/2011 | CN201826305U Prestressed concrete pipe pile end plate |
| 05/11/2011 | CN201824471U Centrifugal forming mould for concrete hexagon pile |
| 05/11/2011 | CN102049811A Method for pouring concrete into tubular pile die |
| 05/11/2011 | CN101544020B Preparation method for prestressed high-strength concrete pile |
| 04/28/2011 | DE102009050487A1 Negativform zur Herstellung eines ein Gerinne aufweisenden Schachtunterteils sowie Verfahren zur Herstellung eines derartigen Schachtunterteils Negative mold for producing a manhole having a flume portion as well as methods for producing such a shaft bottom part |
| 04/28/2011 | DE102009049435A1 Verfahren zum Herstellen von Betonfertigteilen und Schalungseinheit zum Herste llen von Betonfertigteilen A method for manufacturing of precast concrete and formwork unit for Herste cases of precast concrete |
| 04/27/2011 | CN102029646A Equipment for producing concrete pipe pile and method for producing concrete pipe pile by using equipment |
| 04/21/2011 | WO2011045319A1 Method for producing prefabricated compound tower-segment units for a tower of a wind plant, and formwork unit for producing prefabricated compound units |
| 04/21/2011 | CA2776358A1 Form and process for producing precast concrete pylons of a wind power installation |
| 04/20/2011 | EP1957246B1 Process for the production of piping made of a cementitious material having a circular section |
| 04/13/2011 | CN201792420U Small precast outer die for cement pipe |
| 04/13/2011 | CN201792419U Concrete pipe prefabricated external die |
| 04/13/2011 | CN201792418U Device for lifting, rotating and hoisting prefabricated top cover of cement tub |
| 04/13/2011 | CN1727162B Die for molding component of concrete filled double thin wall |
| 04/13/2011 | CN1727148B Forming die for component in polyhedron |
| 04/13/2011 | CN101382308B Thin walled pipe centrifugation forming machine |
| 04/12/2011 | US7922470 Apparatus for automatic control of cage size in an extruded film production line |
| 04/06/2011 | CN201784039U Cement pipe prefabricated feeding device |
| 04/06/2011 | CN201784038U Cement pipe prefabricated underground device |
| 04/06/2011 | CN102001134A Pipe pile lower die and lifting system thereof |
| 04/06/2011 | CN102001133A Three-dimensional circular production process for tubular pile |
| 04/06/2011 | CN101633209B Preparation method of rainwater pipe |
| 03/30/2011 | CN201778323U Building foundation pit prestress cuboid soldier pile and forming mold thereof |
| 03/30/2011 | CN101992501A Method for making high-endurance and low-brittleness PHC pipe pile |
| 03/30/2011 | CN101992500A Concrete pipe platform vibration moulding process and device thereof |
| 03/29/2011 | US7914589 Fluorine-containing urethanes |
| 03/23/2011 | CN201770978U High-strength concrete open preformed pile and pile mold thereof |
| 03/23/2011 | CN101990487A Method for producing concrete prefinished parts |
| 03/23/2011 | CN101987478A Automatic oil-feed lubricating device of centrifugal unit for steel cylinder concrete product molding |
| 03/23/2011 | CN101987477A Improved manufacturing method of prestressed concrete cylinder pipe |
| 03/22/2011 | US7910038 Preforms and methods of making the same |
| 03/16/2011 | CN201760963U End mold booster open-close type concrete pipe piece mold |
| 03/16/2011 | CN201760962U Forming die for centrifugal cement drain pipe |
| 03/16/2011 | CN201760961U Support structure of rotary roll shaft of concrete pipe forming machine |
| 03/10/2011 | CA2713029A1 Method and cart for handling spacers used in producing concrete pipe |
| 03/09/2011 | CN201755866U T-shaped mold closing screw |
| 03/02/2011 | CN201752903U Driving device for main shaft of pipe-maker |
| 02/24/2011 | US20110041947 Composite Pipe and Method of Manufacture |
| 02/24/2011 | DE102009026383A1 Method for producing variable, monolithic manhole bottom from concrete for sewer system, involves producing core to form channel grooves and ledge, inserting core into casting mold, casting manhole bottom from concrete and removing core |
| 02/16/2011 | CN101973070A Die for manufacturing prestress hollow square pile by vibration forming method |
| 02/16/2011 | CN101973069A Method for molding steel cylinder concrete pipe |
| 02/16/2011 | CN101612760B Full automatic opening-closing mechanism for shield lining segment steel mould |
| 02/10/2011 | US20110033643 Methods of making an unsupported article of pure or doped semiconducting material |
| 02/09/2011 | EP2282099A2 Auxiliary profile with position marking |
| 02/09/2011 | CN101831905B Prestress reinforced concrete circular hollow pile with internal meshing structure and manufacturing method thereof |
| 02/08/2011 | US7883332 Method and apparatus for producing a seal including a portion having a wall of variable thickness |
| 02/02/2011 | EP2279065A2 Method for producing concrete prefinished parts |
| 02/02/2011 | CN101961885A Ribbed precast component template for buildings |
| 02/02/2011 | CN101961884A Ribbed precast component template for buildings |
| 02/01/2011 | US7878792 Support arrangement for an extrusion tool and extrusion tool for moulding an object |
| 01/26/2011 | CN201720939U Tension board for pretensioning prestressed concrete pile |
| 01/26/2011 | CN201720938U Wear-resisting sleeve |
| 01/26/2011 | CN101954672A Centrifugal forming die for cement drain pipes |
| 01/19/2011 | EP1658164B1 Method and apparatus for extruding a ceramic material |
| 01/19/2011 | CN201714099U Culvert pipe multilayer steel reinforcement cage one-step tying forming device |
| 01/19/2011 | CN201712063U Reinforced mould for reinforced soil model test |
| 01/19/2011 | CN201712058U Fastening bolt limit device |