Patents
Sitemap › B28 - Working cement, clay, or stone › B28B - Shaping clay or other ceramic compositions, slag or mixtures containing cementitious material, e.g. plaster › B28B 21 - Methods or machines specially adapted for the production of tubular articles
Patents for B28B 21 - Methods or machines specially adapted for the production of tubular articles (3,281)
10/2012
10/17/2012CN202491298U Faceup duct piece overturning platform
10/17/2012CN202491297U Inner mould structure of square thin walled tube forming machine
10/17/2012CN202491296U One-step square thin-walled tube forming machine
10/10/2012CN1727151B Die in user for molding component of concrete filled double thin wall
10/10/2012CN102720193A Surface coating prestressed concrete pipe pile and manufacturing process thereof
10/10/2012CN102718456A Pre-tensioning method prestress concrete anticorrosion pipe pile as well as manufacture method and application thereof
10/10/2012CN102717430A Demolding device for concrete pipe pile
10/10/2012CN102717429A Tube mold device capable of being jacked up
10/10/2012CN102717428A Vertical one-time rectangular cement flue production equipment
10/10/2012CN102717427A Part conveying trolley used in concrete pipe pile automatic production line
10/10/2012CN102716828A Concrete pipe pile demoulding oil spraying device
10/10/2012CN102179875B Still-free PHC tubular pile and production process thereof
10/09/2012US8282869 Method for making precast concrete meter pit
10/03/2012EP2504138A1 Method and mould for producing concrete pipes having a plastic inner pipe
10/03/2012CN202462611U Segmental mold core
10/03/2012CN202462610U Novel jacking translational mechanism
10/03/2012CN102699996A Prestressed pipe pile and production method thereof
10/02/2012US8277620 Electrolyzer module forming method and system
09/2012
09/26/2012CN202448227U Finished pile splicing mechanism
09/26/2012CN202448226U Molding mould group for prestressed steel cylinder concrete pipe applied to jacking construction method
09/26/2012CN102691877A Slungshot prevention device for centrifugal cement lamp post molding machine
09/26/2012CN102689360A Tensioning disassembly-free tail board on square pile die
09/26/2012CN102689359A Tensioning disassembly-free head board on square pile die
09/26/2012CN102689358A Tensioning component and tensioning method of prestressed endless sheet pile and pile including component
09/26/2012CN102689357A Manufacturing equipment and process of extrusion-type fire-resistant forced exhaust passage
09/26/2012CN102350734B Full-automatic quantitative square-pile distributing system
09/26/2012CN102248601B Method for producing precast concrete piles by transverse running water
09/26/2012CN102172983B Production method of steel plastic concrete composite wound pipe
09/19/2012CN202439110U Centrifugal mould device of prestressed concrete cylinder pipe lining with controllable wall thickness
09/19/2012CN202439109U Archaizing round rafter member mould
09/19/2012CN102677654A Rectangular prestressed high-strength concrete pile and forming mold thereof
09/19/2012CN102672822A Spring die-closing bolt
09/19/2012CN102672821A Tensioning tool for simultaneously manufacturing prestressed concrete pipe piles
09/19/2012CN102672820A Feeding machine
09/19/2012CN102672819A Concrete pouring system for manufacturing tubular piles
09/12/2012CN202428544U Temperature reducing device of steel-pipe horse stool in concrete casting
09/12/2012CN202428543U Mould used for manufacturing asymmetric two-way opposite perforated pipe pile
09/12/2012CN102659373A High-performance corrosion-resisting concrete pile and preparation method thereof
09/12/2012CN102659334A Ore powder, preparation method of the ore powder and autoclave curing-free prestressed high-intensity concrete (PHC) production method
09/12/2012CN101323135B Thin walled pipe centrifugal shaper
09/11/2012US8262977 Process for the manufacture of a shaft bottom
09/06/2012US20120223460 Imprint lithography apparatus and method
09/05/2012CN202412450U Concrete pipe-pile mold spraying machine
09/05/2012CN202412449U Fixing stand bar for concrete pipe reinforcement cage
09/05/2012CN202412448U Technological Equipment for concrete pipe pile production
09/05/2012CN102198696B Method for preparing high-strength high-performance concrete tubular pile
09/05/2012CN101885208B System for manufacturing novel high-efficiency, energy-saving and environmentally-friendly centrifugal concrete pile
09/05/2012CN101830034B Extrusion shaper and a manufacture method of a ceramic panel using the extrusion shaper
09/04/2012US8257625 Molded filter
08/2012
08/30/2012US20120217674 Device and procedure for expanding the end of a plastic pipe
08/29/2012CN202399387U Device for forming building cement pipe at one time
08/29/2012CN102649293A Concrete prefabrication member bottler
08/23/2012US20120211345 Installation for producing a coal cake suitable for coking
08/22/2012EP2488338A1 Method for producing prefabricated compound tower-segment units for a tower of a wind plant, and formwork unit for producing prefabricated compound units
08/22/2012CN202388615U Turnover mechanism for demoulding finished pile
08/22/2012CN202388614U Decomposable spring spotting bolt
08/22/2012CN202388613U Extrusion device for tube making machine
08/22/2012CN202388612U Radial squeezing pipe making machine
08/22/2012CN202388611U Distribution system
08/22/2012CN102642249A Square pile steel mould
08/22/2012CN102642248A Centrifugal molding mold of concrete rectangular pile
08/22/2012CN102642247A Method of constructing prefabricated steel reinforced concrete (psrc) column using angle steels
08/22/2012CN102642246A Equipment for manufacturing centrifugal concrete tubular pile and square pile samples
08/22/2012CN102642245A Vibration device of segment mould
08/22/2012CN101961885B Ribbed precast component template for buildings
08/22/2012CN101886388B Pretensioned prestressed concrete polygonal pile and production method thereof
08/21/2012US8245750 Segmented mandrel for high temperature bonding of metallic axisymmetric shells having complex curvatures
08/15/2012CN202381903U Concrete conveying bent pipe and grouting machine for grouting same
08/15/2012CN202378167U Easy-to-demould mould for concrete square pile
08/15/2012CN202378166U Positioning and locking device for PCCP (prestressed concrete cylinder pipe) cathodic protection steel strip
08/15/2012CN202378165U Equipment for preventing waste slurry from splashing for centrifugal forming process of concrete pipe
08/15/2012CN102633472A High-strength and high-durability pre-stressed concrete pile and production method thereof
08/15/2012CN102632551A Demolding structure for vertical type formed glass steel composite tube
08/15/2012CN102632550A Backform device for vertical type glass steel composite tube forming die
08/15/2012CN102632549A Vertical type forming glass reinforced plastic composite pipe mould
08/15/2012CN101327616B Thin walled pipe centrifugal shaper
08/14/2012US8241715 Gas vessel packing structure having a crystalline phase
08/09/2012DE10256475B4 Verfahren und Vorrichtung zum Herstellen eines Wabenpresslings unter Verwendung eines sehr feuchten Klimas Method and apparatus for manufacturing a honeycomb compact by using a highly humid climates
08/08/2012CN102628528A Polymer-cement-based composite pipe and preparing method for the same
08/08/2012CN102626946A Manufacture method for concrete irregular fender post
08/01/2012EP2083977B1 Formwork system for concreting prefabricated parts, comprising a formwork shell and a formwork core
08/01/2012CN202357275U Dual-layer end die of concrete tubular pile with long tube section
08/01/2012CN202357274U Pipe pile sample forming device
08/01/2012CN202357273U Pre-tensioning worktable of pre-stress concrete square pile
08/01/2012CN202357272U Novel grouting gas sealing device for railway precast beams
08/01/2012CN202357269U Three-span rotary type concrete pile tube manufacturing apparatus
07/2012
07/26/2012WO2010140890A3 Flue gas passage section with footing and coupling strap carrier
07/26/2012US20120189816 Plastic sheeting and a mould therefor
07/26/2012US20120189789 Method and apparatus for forming high strength products
07/25/2012CN202344668U Mold for manufacturing ceramic tube for high-pressure gas discharge lamp
07/25/2012CN202344667U Counterbalanced lifting device of radial extrusion pipemaking machine
07/25/2012CN1727154B Die in use for molding component of concrete filled double thin wall
07/25/2012CN102605767A Precast pile reserved with grouting pipe and piling process of precast pile
07/25/2012CN102601860A Thin-walled centrifugal concrete pole manufacture method
07/25/2012CN102205556B Concrete spreader
07/25/2012CN102172986B Polyhedral member shaping mould
07/25/2012CN102120341B Mould for socket end of large-diameter socket and spigot type reinforcement concrete pipe
07/25/2012CN101992500B Concrete pipe platform vibration moulding process and device thereof
07/24/2012CA2728982A1 Pipe coating apparatus and method
07/19/2012US20120181727 Device for expanding hollow bodies
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