| Patents for B29D 23 - Producing tubular articles (6,162) |
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| 06/29/1988 | EP0272364A1 Method of forming a closure member for a recoverable article |
| 06/28/1988 | US4753699 Elongated for industrial use winding tapes helically around metal core |
| 06/08/1988 | EP0270132A2 Dimensionally recoverable article |
| 06/07/1988 | CA1237563A1 Extruder assembly |
| 06/01/1988 | EP0269433A2 Method of manufacturing corrugated tube and molding apparatus thereof |
| 05/24/1988 | US4746386 Winding, molding |
| 05/19/1988 | WO1988002637A3 Apparatus for feeding drugs |
| 05/10/1988 | US4743481 Molding polymer shell about hollow polymer preform |
| 05/10/1988 | US4742899 Fiber reinforced tubular component |
| 05/03/1988 | US4741794 Equipment for the manufacture of mainly large-diameter flexible hoses having spiralled reinforcement |
| 05/03/1988 | CA1235872A1 Electric fusion welding of thermoplastic materials |
| 04/21/1988 | WO1988002637A2 Apparatus for feeding drugs |
| 04/21/1988 | DE3708177C1 Irrigation hose |
| 04/19/1988 | US4738740 Extrucing continuous fiber-forming biocompatible polymeric material while winding on mandrel, applying electrostatic forces |
| 04/12/1988 | US4737230 System for the production of rubber tubes |
| 04/12/1988 | US4737210 Method of fabrication of high tensile strength removable hose covering |
| 04/07/1988 | DE3731695A1 Air tube for vehicles with tyres |
| 04/06/1988 | EP0262735A1 A method, an apparatus and an extrusion die of producing by extrusion electroweldable pipe sockets and electroweldable fittings of thermoplastic materials thereby using a first pipe part formed in a first extruder |
| 04/06/1988 | EP0262540A1 Method for producing glass fibre-reinforced polyester tubes, including structural tubes |
| 04/05/1988 | US4735836 Sleeve formed of shrinkable material and a process for the production thereof |
| 03/31/1988 | DE3729670A1 Tube with detachable continuous connection |
| 03/31/1988 | DE3631892A1 Underground laying pipe for cable protection and cable ducting purposes and process for producing such a pipe |
| 03/30/1988 | EP0261343A2 Method of making profiling projections on steel objects coated with synthetic resins, and coated steel objects obtained |
| 03/29/1988 | US4733800 Tube and a method and a device for manufacturing of the tube |
| 03/29/1988 | CA1234467A1 Tubular object of a layered plastics material and a method for the manufacture thereof |
| 03/24/1988 | DE3631691A1 Process of continuous pressure vulcanisation of tubes produced without a mandrel |
| 03/22/1988 | CA1234265A1 Method of forming spark plug boots |
| 03/16/1988 | EP0260014A2 Method of manufacturing heat-weldable thermoplastic fittings |
| 03/16/1988 | EP0259323A1 Hose for the irrigation of plants. |
| 03/15/1988 | US4731138 Apparatus for producing double-walled corrugated pipes |
| 03/03/1988 | DE3629637A1 Pneumatic abrasive roller |
| 02/25/1988 | DE3628704A1 Pipe having inner extruded coiled web, esp. for use in pipeline |
| 02/24/1988 | EP0256825A2 Structures of plastics material |
| 02/16/1988 | US4725165 Pipeline jointing |
| 02/09/1988 | CA1232422A1 Dimensionally recoverable article |
| 02/03/1988 | EP0255264A2 Electroweldable sockets |
| 02/03/1988 | CN87104983A Polyethylene pipe with integrated heating resistance for connection by electric welding |
| 02/02/1988 | US4722759 Shaping, sealing, grooving polyethylene |
| 01/28/1988 | WO1988000668A1 Polyethylene pipe with integrated heating resistance for connection by electric welding |
| 01/26/1988 | US4721594 Method and an apparatus for the production of ribbed pipes |
| 01/26/1988 | CA1231818A1 Recoverable article for encapsulation |
| 01/26/1988 | CA1231816A1 Recoverable article |
| 01/26/1988 | CA1231815A1 Wraparound recoverable article |
| 01/21/1988 | DE3623273A1 Process for producing mats from plastic tubes and device for carrying out the process |
| 01/19/1988 | CA1231509A1 Process for tapping a tube or piston rod made of composite materials |
| 01/14/1988 | WO1988000129A1 Method of and means for producing reinforced ribbed structures |
| 12/23/1987 | CN87103697A High-pressure hose and process for its production |
| 12/22/1987 | US4714578 Molding of integral socket connection in centrifugally cast fiberglass reinforced pipe |
| 12/16/1987 | CN87103629A Apparatus for producing double-walled corrugated pipes |
| 12/09/1987 | EP0248368A2 Apparatus for producing double-walled corrugated pipes |
| 12/08/1987 | US4711284 Pneumatic tire |
| 12/02/1987 | EP0247812A2 Hoses |
| 12/01/1987 | US4710337 Method and apparatus for continuously extruding single-wall pipe of plastics or other mouldable material |
| 12/01/1987 | US4709544 Reinforcement assembly having a layer comprising a shaped thread: articles comprising such assemblies |
| 11/24/1987 | CA1229460A1 Dimensionally heat recoverable article |
| 11/19/1987 | EP0246019A2 Reinforced hose |
| 11/17/1987 | US4707206 Method of making a fiber reinforced product |
| 11/17/1987 | US4707203 Vulcanizing rubber hose with solvent resistant thermoplastic lining; conveying corrosive liquids |
| 11/17/1987 | US4706711 Closed-cell, synthetic elastomers, crosslinking, variations, fibers, reinforcement, oils, removal |
| 11/17/1987 | CA1229450A1 1-butene polymer and its use |
| 11/17/1987 | CA1229212A1 Heat recoverable article |
| 11/04/1987 | EP0243985A2 Method of making a recoverable composite structure |
| 11/03/1987 | US4704240 Method of fabricating tubular composite structures |
| 11/03/1987 | CA1228705A1 Apparatus for molding thermoplastic pipes |
| 10/28/1987 | EP0243245A1 Hose for high-pressure application and method for its manufacture |
| 10/28/1987 | EP0243147A2 Composite articles |
| 10/28/1987 | EP0243062A2 Heat weldable pipe fittings |
| 10/28/1987 | EP0242860A1 Abrasion resistant pipe and method of producing the same |
| 10/28/1987 | EP0242621A2 Billiards cue |
| 10/27/1987 | US4702867 Method for continuously vulcanizing hoses |
| 10/21/1987 | CN87100836A Apparatus for molding thermoplastic pipes |
| 10/19/1987 | EP0190147A4 Compositions, porous irrigation pipe and method. |
| 10/14/1987 | EP0241109A2 Biopsy channel for an endoscope |
| 10/14/1987 | EP0240838A2 Apparatus for molding thermoplastic pipes |
| 10/14/1987 | EP0240732A2 Welding element for butt-welding plastic pipes |
| 10/13/1987 | US4698890 Method for making a formable and curve shape retentive hose |
| 10/08/1987 | EP0179093A4 Container such as a nursing container, with flexible liner and access site and method of making same. |
| 10/08/1987 | DE3711258A1 Rohrfoermiges verbundelement und verfahren zur herstellung Rohrfoermiges composite member and methods for preparing |
| 10/07/1987 | CN87101978A Method and apparatus for production of ribbed pipes |
| 10/06/1987 | US4697718 Dimensionally stable thermoplastic tubular articles |
| 10/06/1987 | CA1227706A1 Reinforcing element for elastomeric articles and elastomeric articles made thereof |
| 09/30/1987 | EP0239338A2 End connectors for filament wound tubes |
| 09/30/1987 | EP0239248A2 Method of spin-welding |
| 09/29/1987 | CA1227315A1 Mould for producing t-shaped rubber hoses |
| 09/23/1987 | EP0238325A2 Indicator for dimensionally recoverable sleeves |
| 09/23/1987 | EP0238239A2 A method of and apparatus for moulding a thermoplastics member with a fusion pad |
| 09/23/1987 | EP0237900A1 A method and an apparatus for the production of ribbed pipes |
| 09/23/1987 | EP0237566A1 Method for forming corrugated materials using memory metal alloy cores |
| 09/17/1987 | DE3608668A1 Process for producing a diaphragm-like tube and tube produced according to the process |
| 09/15/1987 | US4693140 Hollow tubular members and a method of making such members |
| 09/15/1987 | US4692975 Paint roller |
| 09/15/1987 | CA1226710A1 Apparatus for producing double-walled corrugated pipes |
| 09/11/1987 | WO1987005257A1 Method and press mould for making annular polymer articles |
| 09/08/1987 | US4692197 Method for manufacturing corrugated tubes |
| 09/01/1987 | US4690173 Shirred casing article |
| 08/26/1987 | EP0233439A1 Process and device for the continuous manufacture of fibre-reinforced hollow elements of synthetic material, and hollow element obtained |
| 08/25/1987 | US4689174 Producing double-walled helically wound thermoplastic pipe with a corrugated cutter wall and a smooth inner wall |
| 08/25/1987 | CA1225839A1 Hollow tubular members and a method of making such members |
| 08/18/1987 | US4687432 Apparatus for forming plastic pipe couplings |
| 08/12/1987 | CN87100116A Apparatus and method for production of ribbed pipes |