| Patents for F16L 9 - Rigid pipes (18,006) |
|---|
| 01/31/1984 | US4428602 Inner tube element for a double tube coring apparatus and process for the manufacture of this tube element |
| 01/31/1984 | US4428591 Plastic pipe provided with a groove |
| 01/24/1984 | CA1160959A1 Packless silencer |
| 01/17/1984 | CA1160415A1 Pipe building method and apparatus |
| 12/13/1983 | CA1158572A1 Low permeability hollow spheres and pipe filled with the spheres for temporary weight reduction |
| 12/07/1983 | EP0095582A1 Sound insulated flow channel and method of making the same |
| 11/22/1983 | US4416474 Pipe coupling |
| 11/15/1983 | US4414819 Temporarily rigidifying soft materials |
| 11/08/1983 | US4413657 Exhaust pipe with vibration damping |
| 11/02/1983 | EP0093012A1 Filament wound interlaminate tubular attachment and method of manufacture |
| 11/01/1983 | US4412882 Method for producing composite pipes |
| 11/01/1983 | US4412880 Process for producing hollow profiled structures, and structures produced thereby |
| 11/01/1983 | US4412560 Tube for a cracking plant |
| 10/25/1983 | CA1155741A1 Method and apparatus for providing the inner surface of a pipe line with a lining |
| 10/18/1983 | US4410013 Composite dual tubing |
| 10/11/1983 | US4408787 System for connecting the edge areas of thin-walled bodies |
| 09/27/1983 | CA1154390A1 Hose structure |
| 09/20/1983 | US4404992 Composite dual tubing |
| 09/13/1983 | CA1153632A1 Multilayer tubing and method of and apparatus for making same |
| 09/07/1983 | EP0087634A1 Centrifugally cast tube made from spheroidal graphite cast iron, and process for the manufacture thereof |
| 08/30/1983 | US4401729 High-strength ceramic laminated tube and the production and use thereof |
| 08/30/1983 | CA1152907A2 Out of contact highly geometrical crack arrestor |
| 08/30/1983 | CA1152877A1 Process for forming laminated pipe |
| 08/23/1983 | CA1152296A1 Tube for a cracking plant |
| 08/16/1983 | US4398726 Pipe section including a gasketed spigot end and method of making the same |
| 08/03/1983 | EP0084817A1 A compound metallic body |
| 07/20/1983 | EP0083972A2 Composite laminate joint structure and method and apparatus for making same |
| 07/19/1983 | US4393901 Low-permeability hollow spheres and pipe filled with the spheres for temporary weight reduction |
| 07/12/1983 | CA1149564A1 Oriented, semi-crystalline polymer product and method and apparatus for producing such product |
| 06/28/1983 | US4390568 Lining a steel pipe internally with a cement mortar |
| 06/28/1983 | US4390383 Method of making plastic pipes having walls with lengthwise extending channels |
| 06/15/1983 | EP0081402A1 Process for obtaining hollow structures such as ducts, grain tanks or shelters. |
| 06/14/1983 | CA1148100A1 Sectionalised hollow tubular body |
| 06/07/1983 | CA1147670A1 Plastic pipe part provided with a groove |
| 05/31/1983 | US4385644 Composite laminate joint structure and method and apparatus for making same |
| 05/31/1983 | CA1147115A2 Reinforcing material for hydraulic substances and method for the production thereof |
| 05/26/1983 | WO1983001823A1 Method for obtaining hollow structures, such as conduits, silos or shelters and structures obtained by such method |
| 05/10/1983 | CA1146098A1 Corrugated pipe and method for the production thereof |
| 04/26/1983 | US4381210 Process for producing polyimide tubes |
| 04/26/1983 | CA1145272A1 Gaseous diffusion resistant article and method utilizing same |
| 04/26/1983 | CA1145234A1 Method and apparatus for longitudinally reinforcing continuously generated plastic pipe |
| 04/12/1983 | US4379870 Reinforcing material for hydraulic substances and method for the production thereof |
| 04/12/1983 | CA1144490A1 Composite metal tubing |
| 04/05/1983 | US4379216 Method and apparatus for solder bonding multilayer tubing |
| 03/29/1983 | US4378032 Slotted concrete pipe |
| 03/29/1983 | CA1143529A1 Fibre reinforced plastics tube and process for the production thereof |
| 03/23/1983 | EP0074482A2 Method of making multi-wall tubes with helically arranged seams |
| 03/23/1983 | EP0063580A4 Metallic clad capillary tubing. |
| 03/22/1983 | US4377545 Method of making corrugated reinforced thermoplastic pipe |
| 03/15/1983 | EP0064537A4 Improved tubular plastics objects. |
| 03/15/1983 | CA1142882A1 Pipe manufactured from irradiated polyethylene containing carbon black |
| 03/09/1983 | EP0073273A1 Ventilator with a box-shaped casing and having slidable damper blades |
| 03/01/1983 | CA1141914A1 Reinforcing material for hydraulic substances and method for the production thereof |
| 02/22/1983 | CA1141708A1 Dip tube and valve with quick-disconnect coupling for a collapsible container |
| 02/09/1983 | EP0071586A1 Assembled tube |
| 02/09/1983 | EP0071188A1 A biaxially oriented thermoplastic polymer film and method of manufacture |
| 02/09/1983 | EP0016817A4 An oriented, semi-crystalline polymer product and method and apparatus for producing such product. |
| 02/01/1983 | US4371197 Pipeline for conveying hot or cold fluids |
| 01/26/1983 | EP0070406A2 Method of producing a pipework duct having at least one elbow between two straight lengths of pipe |
| 01/26/1983 | EP0006955B1 Packless silencer |
| 01/25/1983 | CA1140185A2 Coupling for lined pipe |
| 01/25/1983 | CA1140184A2 Coupling for lined pipe |
| 01/25/1983 | CA1140183A2 Coupling for lined pipe |
| 01/12/1983 | EP0069666A1 Jointing process of a metal ferrule and a pipe made of fibres and resins and pipe obtained by that process |
| 01/11/1983 | US4367791 Heat transfer tubing for natural gas evaporator |
| 01/04/1983 | CA1138790A1 Pipe part provided with a flange |
| 12/29/1982 | EP0067919A1 Plastics pipe strengthened by means of a reinforcement |
| 12/21/1982 | US4364891 Slotted concrete pipe |
| 12/21/1982 | US4364418 Flexible tubular conduit |
| 12/21/1982 | CA1137877A1 Packless silencer |
| 12/15/1982 | EP0066834A1 Powder conveying pipe |
| 12/15/1982 | EP0011627B1 Tunnel lining, segment therefore and method of lining a tunnel |
| 12/14/1982 | US4363611 Apparatus for hydrostatic extrusion of thermoplastic polymers |
| 12/14/1982 | US4363435 Method for producing a tube for a cracking plant |
| 12/07/1982 | US4362521 Power transmission shaft |
| 12/07/1982 | US4362489 Expandable mandrel apparatus for manufacturing smooth-lined corrugated pipe |
| 12/01/1982 | EP0065896A2 Device for temporary solidification of a soft product |
| 11/17/1982 | EP0064537A1 Improved tubular plastics objects |
| 11/09/1982 | US4358511 Tube material for sour wells of intermediate depths |
| 11/09/1982 | US4357962 Method and apparatus for producing tubular article |
| 11/03/1982 | EP0063616A1 Tubing made of cast-in-situ concrete, and method for its production |
| 11/03/1982 | EP0063580A1 Metallic clad capillary tubing. |
| 11/02/1982 | CA1134581A1 Method and apparatus for producing composite pipes |
| 10/12/1982 | CA1133206A1 Composite shell formed of glassy metal alloy strips |
| 09/29/1982 | EP0060856A1 Method for reinforcing a hollow body made by winding a profiled section, profiled section for implementing such method and reinforced pipes obtained thereby. |
| 09/28/1982 | US4351364 Steel reinforced pipe |
| 09/21/1982 | US4350548 A heated gas stream is used to accelerate the curing of the binder |
| 09/01/1982 | EP0058783A1 Tubing of hybrid, fibre-reinforced synthetic resin |
| 08/31/1982 | US4347090 Bonding fabric sleeve and thermoplastic liner by expanding molten surfaces into interstices |
| 08/31/1982 | US4346739 Composite metal tubing |
| 08/31/1982 | CA1130594A1 Power transmission shaft |
| 08/31/1982 | CA1130526A1 Method for producing reinforced plastic tubular body having annular grooves and mold therefor |
| 08/24/1982 | US4345363 Extrusion of a blend of polyvinyl chloride, chalk and plasticizer |
| 08/10/1982 | CA1129576A1 Polyethylene composition for water service pipes |
| 08/04/1982 | EP0056930A1 Synthetic resin inner tube element for a double tube core barrel, and method of making said tube |
| 08/03/1982 | CA1128721A1 Thin-walled tube composed of a melt-spinnable synthetic polymer and method of producing it |
| 07/27/1982 | US4341827 Biaxially oriented thermoplastic polymer film and method of manufacture |
| 07/27/1982 | US4341392 Plastics pipes having walls with lengthwise extending channels |
| 07/27/1982 | CA1128434A1 High pressure fuel injection tubing material and method of manufacturing the same |
| 07/13/1982 | US4339291 Manufacture of bitumen pipes |