| Patents for B29L 23 - Tubular articles (4,866) |
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| 06/12/2013 | CN103147888A Air intake hose for vehicle and production method thereof |
| 06/12/2013 | CN103144273A Limiting mechanism of crawler belt of towing machine |
| 06/12/2013 | CN103144272A Manual regulation type plastic pipe dual-traction machine |
| 06/12/2013 | CN103144271A Exit molding device for plastic extruder |
| 06/12/2013 | CN102218822B Processing method and device of extrusion vacuum and heat seal drip irrigation belts |
| 06/12/2013 | CN102218821B Blow film type processing equipment for heat-sealing of drip irrigation pipe in vacuum |
| 06/05/2013 | EP2598310A1 Method and device for welding pipe sections made of plastics |
| 06/05/2013 | CN202965196U Tube production fixing frame |
| 06/05/2013 | CN202965194U Fiberglass pipe winding former |
| 06/05/2013 | CN202965138U Threading mold for strengthening thermoplastic plastic pipe reinforcing band production |
| 06/05/2013 | CN202965135U Production line for gas pipe |
| 06/05/2013 | CN202965021U Improved mould for demoulding pipe |
| 06/05/2013 | CN103128971A Automatic aligning device for hose |
| 06/05/2013 | CN103128945A Preparation method of heat-resistant PVC (polyvinyl chloride) casing pipe for buried high-voltage power cable |
| 06/05/2013 | CN102233670B Chain type pipeline mould |
| 05/29/2013 | CN202952552U Tube winding machine of lining helix tube used for high voltage cold contraction electric cable accessory |
| 05/29/2013 | CN202952530U Polyethylene pipe conveying device |
| 05/29/2013 | CN202952529U Polyethylene pipe conveying device |
| 05/29/2013 | CN202952528U Length limiting device for polyethylene pipe |
| 05/29/2013 | CN202952526U 螺旋牵引机 Spiral tractor |
| 05/29/2013 | CN202952525U Traction machine with printing function |
| 05/29/2013 | CN103121290A Automatic production line of composite tube and production method thereof |
| 05/22/2013 | CN202943856U Bellows extruder |
| 05/22/2013 | CN202943821U Uniform foaming device of heat-preservation pipe |
| 05/22/2013 | CN103112174A Production method of support tubes and production system adopting method |
| 05/22/2013 | CN103112173A Preparation method of composite fiber-winding reinforcing pipe material |
| 05/22/2013 | CN103112156A PP (polypropylene) pipe winding method for high-density polyethylene winding pipe |
| 05/22/2013 | CN103112147A Double-cavity mould for PVC tubes |
| 05/22/2013 | CN103112143A Method for manufacturing composite insulating pipe with high performance and low cost and special mold thereof |
| 05/22/2013 | CN103112126A Water-assisted injection forming die of automobile cooling water pipe and using method thereof |
| 05/22/2013 | CN102145543B Equipment and method for manufacturing glass reinforced plastic composite pipe and glass reinforced plastic composite pipe |
| 05/15/2013 | CN202934803U Spray cooling box provided with plastic pipe shape correction device |
| 05/15/2013 | CN202934797U Shunting mold of molding pipe |
| 05/15/2013 | CN202934792U Runner of plastic pipe forming mould |
| 05/15/2013 | CN202934784U Forming pipe die |
| 05/15/2013 | CN202934782U Mould for tubular products |
| 05/15/2013 | CN202934779U Plastic pipe production line provided with spacing device |
| 05/15/2013 | CN103101175A Tractor with printing function |
| 05/08/2013 | CN202922983U Double-wall plastic corrugated pipe production line |
| 05/08/2013 | CN103085289A Device and method for processing polyethylene glass fiber reinforced plastic composite molded spiral corrugated tube |
| 05/08/2013 | CN103085268A Retractor of heat shrink pipe |
| 05/08/2013 | CN103085254A Calibration sleeve with variable diameters |
| 05/01/2013 | CN202911137U Local heating device for winding mold of high density polyethylene wound enhanced pipe |
| 05/01/2013 | CN202911136U Pre-heating device for winding mold of high density polyethylene wound enhanced pipe |
| 05/01/2013 | CN202911043U Drawing track die crosslinking and sizing device of PE-Xa pipe |
| 05/01/2013 | CN202911022U Automatic production line for pipe fitting with plastic-coated inner and outer parts |
| 05/01/2013 | CN103073884A Self-lubrication roller bearing material for spinning machine and preparation method of self-lubrication roller bearing material |
| 05/01/2013 | CN103073779A Manufacturing formula of dedicated vinyl acetate copolymer for transparent drinking water pipes, manufacturing technique and dedicated processing equipment |
| 05/01/2013 | CN103072266A Plastic tube flaring die |
| 05/01/2013 | CN103072265A Plastic tube flaring heating box |
| 05/01/2013 | CN103072230A Making method of low free nanometer wear-resistant polyurethane composite steel tube |
| 05/01/2013 | CN103072226A Forming module for double-wall corrugated pipeline |
| 05/01/2013 | CN102518885B Material saving high rigidity plastic double-wall corrugated pipe and preparation method |
| 05/01/2013 | CN101947849B Presetting and cooling device for plastic pipe |
| 04/24/2013 | CN202895652U Nose type barrel of rubber inner pipe |
| 04/24/2013 | CN103057131A Device for improving demoulding way of medium/small-caliber glass steel tube products |
| 04/24/2013 | CN103057086A Forming mold of square single-wall corrugated pipe |
| 04/24/2013 | CN103057023A Improvement method for centrifugal casting silicon tube |
| 04/24/2013 | CN102233671B Building block type pipeline mould |
| 04/17/2013 | CN202878678U Heating oven for plastic pipe flaring machine |
| 04/17/2013 | CN202878675U Auxiliary steel rib embedding device for plastic winding pipe |
| 04/17/2013 | CN202878648U One-mould double-tube extruding mould |
| 04/17/2013 | CN202878642U Liftable automatic corrugated pipe forming machine |
| 04/17/2013 | CN202878581U High-pressure field polyurethane mouth repairing machine |
| 04/17/2013 | CN103044840A Polypropylene resin composition and production process for large-caliber wall tube with hot-state winding structure |
| 04/17/2013 | CN103044745A Anticorrosive, wax-proof and high-temperature-resistant polyethylene tube for oil extraction and preparation method of polyethylene tube |
| 04/17/2013 | CN103044744A Semi-hard high-flame-retardant oil-proof thermal shrinkage tube and production method thereof |
| 04/17/2013 | CN103042685A High-density polyethylene (HDPE) winding pipe auxiliary heating device |
| 04/17/2013 | CN102059782B Flaring demolding mechanism for flaring pipe fitting |
| 04/10/2013 | CN202862587U Inward flanging device used for processing sealing strip |
| 04/10/2013 | CN202862576U High polymer pipe cooling and forming device |
| 04/10/2013 | CN202862485U Injection moulding device for reducing pipe |
| 04/10/2013 | CN103038050A Device for manufacturing profile corrugated tube, method for manufacturing profile corrugated tube and profile corrugated tube |
| 04/10/2013 | CN103029292A Vehicle-suspension shrinkable-tube producing device and a shrinkable-tube production method using same |
| 04/10/2013 | CN103029280A PVC (polyvinyl chloride) water pipe production method |
| 04/10/2013 | CN103029245A Paraffin tube shaping device |
| 04/10/2013 | CN103029234A Variable pitch conveying device hollow blow molding machine and conveying method thereof |
| 04/10/2013 | CN102107523B Horizontal type blow molding die for automobile oil tube and blow molding method thereof |
| 04/03/2013 | CN202846900U Control system of high-pressure glass steel pipe winding machine |
| 04/03/2013 | CN202846894U Oil heating device for producing PE (Polyethylene) |
| 04/03/2013 | CN202846881U Combined core rod of cloth-winded hose for automobile |
| 04/03/2013 | CN202846872U Coordinated roller mechanism |
| 04/03/2013 | CN202846849U PE (poly ethylene) dredging tube sealing joint molding mould |
| 04/03/2013 | CN202846786U Replaceable die core for reducing pipe |
| 04/03/2013 | CN202846763U Nylon tube forming tool |
| 04/03/2013 | CN202846759U Two-end cutting-free mould for automobile rubber tube |
| 04/03/2013 | CN103016853A Multilayer anti-oxidation drain pipe and manufacturing method |
| 04/03/2013 | CN103009613A Pipe winding machine of liner spiral pipe for high-voltage cold-shrink cable accessory |
| 04/03/2013 | CN103009597A Knitting rubber tube production technology |
| 04/03/2013 | CN103009530A Centrifugal pouring equipment for polyurethane composite steel pipe |
| 04/03/2013 | CN103009519A Multiple-stage type forming core mold |
| 04/03/2013 | CN102205647B Machining device of extrusion type vacuum heat-sealing drip irrigation belts |
| 04/03/2013 | CN102205646B Water-cooling vacuum forming roller for producing vacuum heat-sealing drip irrigation belts |
| 03/27/2013 | EP2572869A2 Method and apparatus for inserting a spacer between annular reinforcement bands |
| 03/27/2013 | EP2572868A2 Annular structure having multiple reinforcement bands and a cast-in-place core |
| 03/27/2013 | EP2572131A2 High-temperature flexible composite hose |
| 03/27/2013 | CN202826393U Wall pipe fully coated exhaust device of polyethylene winding structure |
| 03/27/2013 | CN202826388U Mould used for manufacturing polytetrafluoroethylene tube |
| 03/27/2013 | CN202826379U Novel plastic blow molding water pipe mold |
| 03/27/2013 | CN202826337U Burnishing device for inner surface of high-density polyethylene water supply pipe |