| Patents for B28B 21 - Methods or machines specially adapted for the production of tubular articles (3,281) |
|---|
| 09/10/2008 | CN101259672A Centrifugal forming tool |
| 09/10/2008 | CN101259671A Centrifugal forming tool |
| 09/10/2008 | CN101259670A Centrifugal forming tool |
| 09/10/2008 | CN101259669A Centrifugal forming tool |
| 09/10/2008 | CN101259668A Centrifugal forming tool |
| 09/10/2008 | CN101259667A Centrifugal forming tool |
| 09/10/2008 | CN101259666A Centrifugal forming tool |
| 09/10/2008 | CN101259665A Centrifugal forming tool |
| 09/10/2008 | CN101259664A Centrifugal forming tool |
| 09/10/2008 | CN101259663A Centrifugal forming tool |
| 09/10/2008 | CN101259662A Centrifugal forming tool |
| 09/10/2008 | CN101259661A Centrifugal forming tool |
| 09/10/2008 | CN101259660A Centrifugal forming tool |
| 09/10/2008 | CN101259659A Centrifugal forming tool |
| 09/10/2008 | CN101259658A Centrifugal forming tool |
| 09/10/2008 | CN101259657A Centrifugal forming tool |
| 09/10/2008 | CN101259656A Centrifugal forming tool |
| 09/10/2008 | CN101259655A Centrifugal forming tool |
| 09/10/2008 | CN101259654A Centrifugal forming tool |
| 09/10/2008 | CN101259653A Centrifugal forming tool |
| 09/10/2008 | CN101259652A Centrifugal forming tool |
| 09/10/2008 | CN101259651A Centrifugal forming tool |
| 09/10/2008 | CN101259650A Centrifugal forming tool |
| 09/10/2008 | CN101259649A Centrifugal forming tool |
| 09/10/2008 | CN101259648A Centrifugal forming tool |
| 09/10/2008 | CN101259647A Centrifugal forming tool |
| 09/10/2008 | CN101259646A Centrifugal forming tool |
| 09/10/2008 | CN101259645A Centrifugal forming tool |
| 09/10/2008 | CN101259644A Centrifugal forming tool |
| 09/10/2008 | CN101259643A Centrifugal forming tool |
| 09/10/2008 | CN101259642A Centrifugal forming tool |
| 09/10/2008 | CN101259641A Centrifugal forming tool |
| 09/10/2008 | CN101259640A Centrifugal forming tool |
| 09/04/2008 | US20080214010 Semiconductor device fabrication method and pattern formation mold |
| 09/04/2008 | US20080213421 Centrifugal casting die, method for manufacturing thereof as well as casting material, blade obtained therefrom and method for manufacturing thereof |
| 09/03/2008 | EP1962627A1 Method for making elongate glove, such as nitrile glove for glove box, on porcelain mold |
| 09/03/2008 | CN201109151Y Automatic traveling crane hanging roller type cement pipe maker |
| 09/03/2008 | CN101254629A Centrifugal forming tool |
| 09/03/2008 | CN101254628A Centrifugal forming tool |
| 09/03/2008 | CN101254627A Centrifugal forming tool |
| 09/03/2008 | CN101254626A Centrifugal forming tool |
| 09/03/2008 | CN101254625A Centrifugal forming tool |
| 09/03/2008 | CN101254624A Centrifugal forming tool |
| 09/03/2008 | CN101254623A Centrifugal forming tool |
| 09/03/2008 | CN101254622A Centrifugal forming tool |
| 09/03/2008 | CN101254621A Centrifugal forming tool |
| 08/27/2008 | CN101250999A Terra-imitating borehole and manufacture method thereof |
| 08/27/2008 | CN101249696A Production technology of high-strength pipe pile by combined admixture of ground granulated metallurgical slag and ground granulated quartz sand as well as coal ash |
| 08/20/2008 | EP1957246A1 Process for the production of piping made of a cementitious material having a circular section |
| 08/20/2008 | EP1957245A1 Process for the production and form preservation of an extruded product made of cementitious material |
| 08/20/2008 | CN101244610A Method for processing coal ash thin wall core tube |
| 08/19/2008 | US7413812 Polypropylene article and method of preparing polypropylene article |
| 08/19/2008 | US7413804 Braid-reinforced hollow fiber membrane |
| 08/14/2008 | WO2008095583A1 Method for the production of a collecting line for detecting and locating an agent discharging into the environment of the collecting line in case of leakage, and collecting line produced by means of this method |
| 08/14/2008 | US20080193688 Device And Method For Manufacturing Wrapped Tubes |
| 08/14/2008 | CA2665814A1 Method for the production of a collecting line for detecting and locating an agent discharging into the environment of the collecting line in case of leakage |
| 08/13/2008 | CN201098948Y Sealing structure for concrete pipe pile forming die butted joint |
| 08/13/2008 | CN101240863A Inner core foaming -type metal pipes and method of manufacture |
| 08/13/2008 | CN101239489A Large diameter pretensioned prestressing concrete tubular pipe |
| 08/13/2008 | CN101239488A Method for casting cement air conduit one times |
| 08/06/2008 | CN201095159Y Cement height mark telephone poles forming template |
| 07/31/2008 | DE102006056719B4 Monolithische Gieß- und Druckgußformteile für den Kaminbau Monolithic casting and Druckgußformteile for the Chimney |
| 07/30/2008 | CN201092091Y Production facility for integral hollow gourd rod |
| 07/30/2008 | CN201092090Y Production facility for integral hollow cement column |
| 07/24/2008 | US20080174041 Concrete block making machine and method |
| 07/23/2008 | CN101224603A Demoulding method of 55mPHC tubular pile |
| 07/23/2008 | CN101224602A Production workshop for 55mPHC tubular pile |
| 07/17/2008 | WO2007149547A3 Integrated composite structure |
| 07/16/2008 | CN201086352Y Equipment for processing and maintaining prestressed concrete pipe with high stability hydraulic pressure and temperature |
| 07/09/2008 | CN201082570Y Operation desk |
| 07/09/2008 | CN201082569Y Enclosure shaping apparatus |
| 07/09/2008 | CN201082568Y Automatically grouting device for preparing tubular shape core mould |
| 07/09/2008 | CN100400257C Light-wall pipe centrifugal forming machine |
| 07/01/2008 | US7393203 Mandrel, method of use thereof and production method thereof |
| 06/29/2008 | CA2616483A1 The use of coated slots for control of sand or other solids in wells completed for production of fluids |
| 06/26/2008 | DE10317321B4 Verfahren und Vorrichtung zur Herstellung von Schachtunterteilen aus Beton Method and apparatus for the production of concrete manhole bases |
| 06/26/2008 | DE102006056719A1 Monolithische Gieß- und Druckgußformteile für den Kaminbau Monolithic casting and Druckgußformteile for the Chimney |
| 06/18/2008 | CN201073805Y Pipe mold coaxial centrifuge |
| 06/18/2008 | CN201073804Y Pipe mold coaxial centrifuge |
| 06/18/2008 | CN101200098A Shaping mold of hanging-making cement pipe |
| 06/12/2008 | WO2008033948A3 Architectural glass block with a formed slot and method of making same |
| 06/11/2008 | CN201070796Y Mold for producing flexible interface steel socket pipe |
| 06/11/2008 | CN201070795Y Artistic fencing post shaping apparatus |
| 06/11/2008 | CN101195161A Process for manufacturing hydrodynamic bearing |
| 06/05/2008 | US20080131825 Candle reshaper |
| 06/05/2008 | DE102007056609A1 Vorrichtung zum Aufbringen eines Trennmittels auf einen Formring für einen stirnseitigen Zentrieransatz eines rohr- oder ringförmigen Werkstückes Apparatus for applying a release agent on a mold ring for a front-side centering spigot of a tubular or annular workpiece |
| 06/04/2008 | EP1927447A2 Monolithic cast and pressure cast parts for chimney construction and method for its construction |
| 06/04/2008 | CN101190548A Method and mold for isostatic pressing rotary tube |
| 05/21/2008 | CN101181802A Forming die of cement permeable pipes and forming technique |
| 05/14/2008 | CN201058467Y Overturn type duct piece mold |
| 05/14/2008 | CN201058466Y Synchronous forming device for tubular core mould |
| 05/14/2008 | CN201058465Y Telescopic rotary frame for tubular core mould |
| 05/14/2008 | CN201058464Y Centrifuge tuber for tubular core mould |
| 05/14/2008 | CN100387786C Centrifugal tubular pile with concrete of thin-wall steel pipe and production thereof |
| 05/07/2008 | CN201056031Y Feeding arrangement of concrete pile |
| 04/30/2008 | CN201052636Y Prestressing concrete well pipe die |
| 04/30/2008 | CN101168268A Method for manufacturing pipeline by using coal ash slag as main material |
| 04/17/2008 | WO2008045770A2 Method of producing absorbent sheet with increased wet/dry cd tensile ratio |
| 04/17/2008 | DE19805067B4 Verfahren zum Herstellen von Betonteilen A method for producing concrete parts |
| 04/16/2008 | CN101161436A Pipe pile production technology and apparatus for axial distribution after mould combination |