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)
07/2012
07/18/2012CN102581950A Duct piece turning platform
07/18/2012CN102120342B Die for male end of heavy caliber socket reinforced concrete pipe
07/11/2012CN202318563U 一种装配式混凝土方桩模具 A method of assembling concrete square pile mold
07/11/2012CN202318562U 螺旋地桩尖锥部旋挤成型生产线 Rotary screw pile tip Ministry extrusion molding production line
07/11/2012CN202318561U 一种混凝土管桩自动化生产线 Piles automated production line for concrete
07/11/2012CN102574293A Method for producing prefabricated compound tower-segment units for a tower of a wind plant, and formwork unit for producing prefabricated compound units
07/11/2012CN102561319A Composite soil retaining tubular pile with reinforcing bars and manufacturing method thereof
07/11/2012CN102555054A Rolling type cement pipe forming machine and method for manufacturing cement pipe
07/10/2012US8215945 Method and apparatus for forming a hollow FRP article by internal pressure molding
07/04/2012CN1727155B Die in use for molding component of concrete filled double thin wall
07/04/2012CN102528925A Vertical vibrating pre-forming production process for large-diameter reinforced concrete drainage pipe
07/04/2012CN102528924A High-strength annular partially prestressed concrete pole and production method thereof
07/04/2012CN101774219B Method for preparing reinforced concrete drain pipe or jacking pipe internally lined with PVC sheets
07/04/2012CN101380781B Light-wall conduit centrifugal shaper
07/04/2012CN101380780B Light-wall conduit centrifugal shaper
07/04/2012CN101380779B Light-wall conduit centrifugal shaper
07/04/2012CN101380778B Light-wall conduit centrifugal shaper
07/04/2012CN101323139B Thin walled pipe centrifugal shaper
07/04/2012CN101323136B Thin walled pipe centrifugal shaper
07/04/2012CN101015937B Thin wall tube centrifugal shaping machine
07/03/2012US8211355 Rotary forming wheel
07/03/2012US8211263 Process and apparatus for making air-filled cellular structures for use as resilient cushions
07/03/2012US8210841 Apparatus and method for preform relaxation and flow control in liquid composite molding processes
06/2012
06/27/2012CN102518121A Reinforced concrete prefabricated screw pile
06/20/2012CN202278654U 一种半自动管桩布料机 A semi-automatic pile fabric machine
06/20/2012CN202278653U 混凝土喂料机的喂料嘴 Concrete feeder feeding mouth
06/20/2012CN202278652U 预应力钢筒混凝土管管芯成型喂料器 Prestressed concrete cylinder pipe core molding feeder
06/20/2012CN102501314A Production method for smoke extraction tube in kitchen
06/13/2012EP1380396B1 Method of producing a molded article and slurry for molding
06/13/2012CN202271438U 一种混凝土线杆加工装置 Processing equipment for concrete pole
06/13/2012CN102493443A Prestressed tendon tensioning method capable of increasing pile-head prestress of concrete tubular pile
06/13/2012CN102491702A Concrete pile and preparation method thereof
06/13/2012CN102490267A Production method for square ventilating duct and special mold
06/13/2012CN102490266A Method for preparing pre-tensioned prestressing concrete pile connected with basic bearing platform in non-welding mode
06/13/2012CN102490265A Spiral pile toe pyramid spin molding production line
06/13/2012CN102490264A Forming machine for reinforced concrete precast screw pile
06/13/2012CN102490263A Pipe joint production method for concrete pipe piles with long pipe joints
06/06/2012EP2460632A1 Casting table and checkers for producing a tile mould or accessory
06/06/2012CN202264300U 制管机承口托盘 Pipe machine socket tray
06/06/2012CN202264299U 制管机插口盘 Pipe machine jack plate
06/06/2012CN102029646B Equipment for producing concrete pipe pile and method for producing concrete pipe pile by using equipment
06/05/2012US8192574 Process for bonding a vented hollow component
05/2012
05/30/2012CN202241588U Lifting appliance for demoulding of precast concrete pile
05/30/2012CN202241587U Vacuum chuck demoulding device for concrete pipe pile
05/30/2012CN202241586U Buffering and correcting device for concrete tubular pile before demoulding
05/30/2012CN202241585U Automatic grab moving device for bottom die and cover die of concrete pipe pile
05/30/2012CN202241584U Vibrating and extruding core mold
05/30/2012CN202241583U Tubing machine die
05/30/2012CN202241582U Integral releasing and tensioning device for concrete pipe pile
05/30/2012CN202241581U Concrete pipe pile tensioning system
05/30/2012CN101992501B Method for making high-endurance and low-brittleness PHC pipe pile
05/30/2012CN101973069B Method for molding steel cylinder concrete pipe
05/30/2012CN101914921B Novel type pile foundation for sea turn engineering and pile forming method thereof
05/30/2012CN101863080B Equipment and method for producing concrete tubular pile
05/30/2012CN101633208B Cavity polyhedral filling and rapid processing method
05/29/2012US8187517 Use of a tool and a method for producing a surface member
05/23/2012CN202225294U Core pulling device for forming thin-wall long hollow pipe fitting
05/23/2012CN202225293U Mould structure of socket type reinforced concrete pipe with adjustable pipe length
05/23/2012CN1727153B Cylindrical die in use for molding component of concrete filled double thin wall
05/23/2012CN102120340B Method for forming spigot end of large-diameter socket and spigot type reinforcement concrete pipe
05/23/2012CN101367249B Rotational forming machine of thin walled pipe
05/22/2012US8182888 Oxygen scavenging polymers
05/16/2012CN202219535U Tubular pile prestress tension tool
05/16/2012CN202219534U Prestressing tensioning tool for tube pile
05/16/2012CN202219533U Shaping head of tuber
05/16/2012CN202219532U Hollow axle of concrete drainage pipe forming roll-overhanging machine
05/16/2012CN202219531U Reinforced concrete pipe material distribution device
05/15/2012US8178178 Process for sealing glass containers, glass containers and coating material
05/10/2012US20120111229 Multi-Component, Temperature Activated, Tissue Adhesive, Sealing, and Filling Composition
05/09/2012CN202213051U Reinforced concrete pipe port trowelling device
05/09/2012CN202213050U Vibration-free self-compacting concrete homogenizer for tube core
05/09/2012CN202213049U Suspension roller shaft
05/09/2012CN102120339B Method for moulding female end of heavy caliber socket reinforced concrete pipe
05/03/2012US20120104641 Apparatus for pitch densification
05/02/2012CN102431088A Decomposable type spring die assembling bolt
05/02/2012CN102431087A Prestressed concrete square pile pretension operating platform
05/02/2012CN102431086A Forming method of high-precision thin-wall ceramic tube
05/02/2012CN102431085A Manufacturing method for glass fiber high-strength magnesia cement exhaust pipeline
05/02/2012CN102431084A Concrete pipe pile manufacturing apparatus and method
04/2012
04/25/2012CN202200391U 具有改进的定位销结构的混凝土离心成型模具 Centrifuge concrete having improved positioning pin configuration of the molding die
04/25/2012CN202200390U 生产预应力管桩时用于主筋张拉的新型零件组合 Production tensioned prestressed pipe for reinforcement of the new combination of parts
04/25/2012CN202200389U 张拉机移动台车 Tension machine moving trolley
04/25/2012CN202200386U 一种预应力管桩生产线 Prestressed pipe pile production line
04/25/2012CN102424567A 一种高压气体放电灯用陶瓷管的制造方法 A high-pressure gas discharge lamp manufacturing a ceramic tube
04/25/2012CN102423906A 成品桩出模翻转机构 Finished pile of mold turnover mechanism
04/25/2012CN101700677B 离心球墨铸铁管水泥内衬的快速养生工艺及设备 Cement-lined ductile iron pipe Rapid Curing Technology and Equipment
04/25/2012CN101544021B Preparation method for prestressed high-strength concrete octagonal pile
04/24/2012US8163126 Film sticking device, film sticking method, and electronic paper manufacturing method
04/19/2012US20120093498 Electronic device, cover and method
04/19/2012US20120090772 Mold for producing hollow-cylinder-like molded parts
04/18/2012EP2440849A2 Flue gas passage section with footing and coupling strap carrier
04/18/2012CN202192684U 一种高强度管桩钢模“z”型结构企口 A high-strength steel pipe piles "z" type structure inro
04/18/2012CN102418338A 梅花加强型管桩及其加工方法 Plum reinforced pile and processing method
04/18/2012CN102417149A 卧式自动翻管机 Horizontal automatically turn the machine
04/18/2012CN102416667A Production method of socket and spigot joint reinforcement concrete pipe
04/18/2012CN102416666A 一次成型的玻镁烟道风管的制作方法 Magnesium production method of forming a flue duct of
04/17/2012US8158225 Production from the melt of a container made from glass
04/12/2012DE102010048053A1 Mold for manufacturing hollow concrete structure e.g. container of three-chamber purification system, has inner casing which comprises segments that are connected with rubber strips
04/11/2012CN202185975U 一种合模或拆模装置 One kind of mold or form removal device
04/11/2012CN102409665A 梅花形管桩及其加工方法 Plum-shaped pile and processing method
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