Patents for B28B 21 - Methods or machines specially adapted for the production of tubular articles (3,281) |
---|
01/16/2013 | CN102873751A Method for manufacturing exhaust passage |
01/15/2013 | US8354151 Waterborne polyurethane coating compositions |
01/10/2013 | WO2013003956A1 Vibrating finishing plate technology |
01/09/2013 | CN202656270U Molding modeling mould for concrete prefabricated component |
01/09/2013 | CN102294745B Vibration-free self-compacting concrete homogenizer for pipe core |
01/09/2013 | CN102267177B Self-compacting concrete moulding method for PCCP (prestressed concrete cylinder pipe) cores |
01/02/2013 | CN102852139A Special-shaped high bearing capacity concrete pile and production method thereof |
01/02/2013 | CN102848465A Novel die for producing duct piece with embedded casing |
01/02/2013 | CN102848464A No-residual slurry forming technology of centrifugal tubular pile |
01/02/2013 | CN102848463A 立式自动喂料机 Vertical Automatic Feeders |
01/02/2013 | CN101932414B Method of making hollow concrete elements |
01/01/2013 | US8343601 Waterborne polyurethane coating compositions |
12/27/2012 | WO2012175406A2 Production of a tower |
12/27/2012 | CA2837780A1 Method for producing a tower segment of a concrete tower of a wind energy installation |
12/26/2012 | CN202627901U Stainless steel tube for producing anti-theft net and filling equipment thereof |
12/26/2012 | CN202622991U Forming internal mould of smoke exhaust pipeline |
12/26/2012 | CN202622990U Forming external mould of smoke exhaust pipeline |
12/26/2012 | CN202622989U Flue gas exhaust pipeline forming die end frame |
12/26/2012 | CN202622988U Head ring for concrete pipe dies |
12/26/2012 | CN202622987U Tensioning tool for simultaneously manufacturing a plurality of prestressed concrete pipe piles |
12/26/2012 | CN202622986U Prefabricated exhaust pipeline forming machine frame |
12/26/2012 | CN202622985U Rectangular pipeline forming equipment |
12/26/2012 | CN202622984U Concrete pouring system for manufacturing pipe piles |
12/26/2012 | CN102840210A Die clamping bolt and tube pile forming die comprising die clamping bolt |
12/26/2012 | CN102837360A Powder adding device for ceramic-lined composite tube |
12/26/2012 | CN102836995A Submerged nozzle combined die for sheet billet |
12/25/2012 | US8337739 Improving fracture toughness of medical devices with a stereocomplex nucleating agent |
12/20/2012 | US20120319325 Catheter for antimicrobial control and method of manufacturing thereof |
12/19/2012 | CN202607827U Novel inflatable and water-injected type exhaust passage mould |
12/19/2012 | CN102825658A Inner/outer die double wall body type steel die for pre-stressed concrete special-shaped pile |
12/19/2012 | CN102825657A One-step forming process for 18m conical poles |
12/19/2012 | CN102825656A Running wheel of centrifugal machine |
12/13/2012 | US20120313294 System and Method For Layerwise Production of A Tangible Object |
12/13/2012 | US20120312492 Base Plate for Pulp Moulds |
12/12/2012 | CN202598101U Flying stone preventing device of centrifugal cement lamp post molding machine |
12/12/2012 | CN202592525U Square cement casting template mould convenient to demould |
12/12/2012 | CN202592524U Integrated die of machine-made flue gas passage |
12/12/2012 | CN202592523U Feeding machine |
12/12/2012 | CN202592522U Vibrating device of duct piece mould |
12/12/2012 | CN102814860A Processing method of pre-stress concrete pile with threads or groove structure |
12/11/2012 | US8328976 Method of manufacturing root of megawatt wind-turbine blade |
12/06/2012 | US20120310197 Absorbent Article Having A Troughed Film As A Transfer Layer |
12/05/2012 | CN202572636U Demolding structure for vertical-forming glass reinforced plastic composite pipe |
12/05/2012 | CN202572635U Ejecting device for vertically-formed glass reinforced plastic composite pipe molds |
12/05/2012 | CN202572634U Vertical forming die for glass fiber reinforced plastic composite pipes |
12/05/2012 | CN202572633U Special die for producing square air pipe |
12/05/2012 | CN202572632U Concrete precast element quantitative distribution mould |
12/05/2012 | CN202572631U Centrifugal manufacturing equipment for cylindrical fireproof hollow bricks |
12/05/2012 | CN202572630U Vertical automatic feeding machine |
12/05/2012 | CN102808404A Octagonal concrete centrifugal pile and forming mould thereof |
12/05/2012 | CN102277869B Plug hole type pressure-reducing and draining tube pile and preparation process thereof |
12/05/2012 | CN101708631B Track-tracking concrete segment die |
12/04/2012 | US8322025 Apparatus for forming a plurality of high-aspect ratio gridline structures |
11/28/2012 | CN202559337U Pre-stress high-strength concrete rectangular column and shaping mold |
11/28/2012 | CN202556572U Centrifugal rectangular pile mold |
11/28/2012 | CN202556571U Centrifugal concrete rectangular pile mold |
11/28/2012 | CN202556570U Device capable of propping pipe mould open |
11/28/2012 | CN202556569U Enhancement type large tubular pile steel mould |
11/28/2012 | CN102229195B Novel high-strength steaming-free concrete and preparation method of tubular pile |
11/28/2012 | CN101323140B Thin walled pipe centrifugal shaper |
11/28/2012 | CN101323138B Thin walled pipe centrifugal shaper |
11/21/2012 | CN202540477U Square pile steel mould |
11/21/2012 | CN202540476U Connecting bolt structure of reinforced concrete tube mandrel die |
11/21/2012 | CN202540475U Roller pressing type shaping machine for cement pipes |
11/21/2012 | CN102390083B Novel part assembly and method for stretching main steel bar in producing prestressed pipe pile |
11/21/2012 | CN102152394B Adjustable solid square pile die |
11/14/2012 | CN202528313U Stand column mould |
11/14/2012 | CN202528312U Concrete tubular pile forming die |
11/14/2012 | CN102776879A Concrete centrifugal square pile and forming mold thereof |
11/07/2012 | CN202517574U PCCP tube combined type bellmouth forming die |
11/07/2012 | CN202517573U Centrifugal hollow square pole sample steel mold for experimentation |
11/07/2012 | CN202517572U Concrete tubular pile manufacturing equipment |
11/07/2012 | CN202517571U Cement pipe column operating platform |
11/07/2012 | CN202517570U Forming unit for pipe |
11/07/2012 | CN102765131A Device and method for pulling core rod in preparation process of aluminum oxide ceramic pipe |
11/07/2012 | CN102765130A Device and method for feeding in preparation process of aluminum oxide ceramic pipe |
11/06/2012 | US8303288 Machine for manufacturing nonwoven fabric |
11/06/2012 | US8303287 Spunbonding apparatus |
10/31/2012 | CN202507379U Steel die for reinforced concrete pipe with bristle marks on outer wall of pipe hole |
10/31/2012 | CN202507378U Connector for tubular pile short pile |
10/31/2012 | CN102758432A Prestressed concrete hollow square pile and formation die |
10/31/2012 | CN102757205A Pretensioned prestressed high strength concrete and production method of pretensioned prestressed high strength concrete tubular pile |
10/31/2012 | CN102756425A Pipeline wallboard forming machine and production process thereof |
10/31/2012 | CN102756424A Pushing type concrete cement pole special-shape forming machine |
10/31/2012 | CN102275219B Automatic production line for pipe pile |
10/31/2012 | CN102189600B Flue gas exhaust pipeline molding die |
10/31/2012 | CN101914914B Concrete pre-stress hollow square pile and molding method thereof |
10/30/2012 | US8298466 Method for fabricating medical devices with porous polymeric structures |
10/30/2012 | US8298362 Manufacturing method for plasma display panel |
10/25/2012 | US20120269922 Insert assembly for molding optical fiber connector and method for fabricating related optical fiber connector mold |
10/24/2012 | CN202498629U Impurity clearing and release agent brushing device of cement lamp pole forming die |
10/24/2012 | CN202498628U Multi-section connection type spring bolt rigid pipe pile steel mould |
10/24/2012 | CN202498627U Enhanced pipe pile steel mold |
10/24/2012 | CN102744782A Prefabricated smoke exhaust pipeline forming machine |
10/24/2012 | CN102744781A Production method and die device for dual-layer draining pipeline |
10/24/2012 | CN102744779A PHC (prestressed concrete pipe pile) pile streamline conveying production line |
10/24/2012 | CN101906776B Major-diameter prestressed concrete pipe pile of glass steel pipe die and preparation method thereof |
10/18/2012 | WO2012141399A1 Apparatus for manufacturing a concrete electric pole having improved top and bottom faceplates, and method for manufacturing the electric pole using same |
10/18/2012 | WO2012139160A1 Method and system for forming a support structure |
10/17/2012 | CN202492836U Soil-retaining duplex-type reinforced tube pile |