| Patents for B21D 39 - Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders (11,420) |
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| 01/11/1989 | EP0298230A2 Method and apparatus for making cans with a truncated pyramidal shape |
| 01/05/1989 | DE3720485A1 Tube-expanding apparatus |
| 01/04/1989 | EP0298017A2 Radial press |
| 01/04/1989 | EP0297552A2 Composite structures and methods of manufacturing the same |
| 01/03/1989 | US4795078 Diffusion welding under vacuum-corrosion and wear resistance |
| 01/03/1989 | US4794894 Ceramic tipped pivot rod and method for its manufacture |
| 01/03/1989 | CA1247842A1 Method and apparatus for manufacturing a furnace heat exchanger and plate assembly |
| 12/28/1988 | EP0296269A1 Method of and device for edged mounting a pipe bend |
| 12/28/1988 | CA1247507A Bladder mandrel for hydraulic expansions of tubes and sleeves |
| 12/27/1988 | US4793167 Roller swaging machine |
| 12/27/1988 | US4793044 Process for remotely lining a steam generator tube of a pressurized water nuclear reactor |
| 12/21/1988 | CN87100239A Connecting structure of metal sheet |
| 12/20/1988 | US4791796 Tool for cold forging tubular members |
| 12/20/1988 | US4791712 Modular piston with high strength tensile joint and method of manufacture |
| 12/20/1988 | CA1247165A1 Pipe joint and method of production |
| 12/20/1988 | CA1246838A1 Tube expansion process |
| 12/14/1988 | CN88103053A Hollow shaft fixing drive element with axially different property of stoff to it by expanding itself |
| 12/07/1988 | EP0293652A1 Expension mandrel having a small diameter and a great length |
| 12/07/1988 | CN88103203A Hollow shaft made of material with low elasticity modulus |
| 12/06/1988 | CA1245834A1 Heavy duty hose crimper |
| 12/01/1988 | WO1988009233A1 Device for hydraulic expansion |
| 11/30/1988 | EP0293101A2 A method of making an angled joint |
| 11/30/1988 | EP0292795A1 Hollow shaft with driving elements affixed by means of expansion and with axially differing material properties |
| 11/30/1988 | EP0292794A1 Hollow shaft of a material with a small modulus of elasticity and driving elements affixed by means of expansion |
| 11/29/1988 | CA1245426A1 Apparatus for joining the elements of a thermally insulated composite profile |
| 11/23/1988 | EP0291938A1 Apparatus for hydraulic expansion |
| 11/17/1988 | EP0291003A1 Hollow plag for sealing a heat exchanger tube |
| 11/15/1988 | US4783985 Integral rivet and method of making |
| 11/15/1988 | US4783898 Method of producing a shaft having plate-like member joined thereto |
| 11/15/1988 | US4783897 Pressure cylinder flange attachment and method |
| 11/08/1988 | US4782571 Method for securing straight tubes between two tube sheets in a pressure-tight manner |
| 11/03/1988 | DE3720486C1 Druckmittelsonde Pressure medium probe |
| 11/01/1988 | US4781076 Camshaft for reciprocating piston engines |
| 11/01/1988 | US4781055 Crimping machine |
| 11/01/1988 | US4781046 Tube expander |
| 10/25/1988 | US4779445 Sleeve to tube expander device |
| 10/25/1988 | US4779333 Sleeve to tubesheet expander tool |
| 10/25/1988 | US4779326 Method of bonding a metal round rod to a metal plate |
| 10/20/1988 | DE3720487C1 Vorrichtung zum hydraulischen Aufweiten Apparatus for the hydraulic expansion |
| 10/13/1988 | DE3710565A1 Verfahren zum einpressen von rohren durch elektrische zuendung sowie einrichtung fuer die durchfuehrung des verfahrens A method for press-fit of tubes by electric ignition and device for carrying out the method |
| 10/12/1988 | CN88105055A Cu-al pipe-cold welding process for vapourizer of refrigerator |
| 10/11/1988 | US4776196 Process and apparatus for forming flanged ends on tubular workpieces |
| 10/05/1988 | EP0285269A1 Self-crimping connection for inner and outer members and method of assembling the same |
| 10/05/1988 | EP0284902A2 Method and apparatus to join thin plates lying one on top of the other together |
| 10/05/1988 | EP0284773A2 Apparatus for enlarging tube ends |
| 10/04/1988 | US4774828 Radial press |
| 09/28/1988 | EP0284271A2 Manufacture of gear shafts |
| 09/27/1988 | US4773679 Pressurized fluid coupling |
| 09/27/1988 | US4773249 For affixing a fitting on the end of a hose |
| 09/21/1988 | EP0282714A1 Ceramic tipped pivot rod and method for its manufacture |
| 09/15/1988 | DE3806744A1 Auspuffrohr mit endflansch fuer kraftfahrzeug-brennkraftmaschinen Exhaust pipe with flange for motor vehicle-engine- |
| 09/15/1988 | DE3707013A1 Method for pressing tubes into tube plates from both sides with the aid of elastomers |
| 09/14/1988 | EP0282166A1 Assembled camshafts. |
| 09/13/1988 | US4769897 Method for forming a press-fitted pipe joint |
| 09/13/1988 | US4769892 Pipe joining method |
| 09/07/1988 | EP0245436A4 Continuous seam-forming device. |
| 09/06/1988 | US4768275 Method of joining pipe |
| 08/30/1988 | US4767177 Method for securing an element in a body, particularly an optical fiber |
| 08/30/1988 | US4766808 Radial press with v-shaped press jaws |
| 08/30/1988 | US4766667 Apparatus for tension expanding tubes |
| 08/30/1988 | US4766664 Process for formation of high strength aluminum ladder structures |
| 08/24/1988 | EP0278998A1 Joint construction for metal sheets |
| 08/17/1988 | EP0278483A2 Method of and apparatus for shaping film cartridge |
| 08/16/1988 | US4763397 Depression staking process |
| 08/16/1988 | CA1240491A1 Apparatus for the sleeving of tubes in hostile environments |
| 08/16/1988 | CA1240489A1 Apparatus for assembling fin plate heat exchangers |
| 08/09/1988 | US4762265 Plug for kinetic bonding procedure |
| 08/09/1988 | US4762152 Motor vehicle heat exchanger manifold assembly |
| 08/09/1988 | US4761981 Swaging apparatus for flaring and anchoring tubes |
| 08/09/1988 | CA1240128A1 Method of joining together two pipe ends to form a pipe, preferably of metal |
| 08/03/1988 | EP0276659A2 Apparatus and method for simultaneously loading a reinforcing sleeve and mandrel into a tube |
| 08/02/1988 | US4760634 Method of connecting thin plates |
| 08/02/1988 | US4760632 Method and apparatus for joining plates by stamping pressing and swaging dies |
| 08/02/1988 | CA1239956A1 Coupling device for making a permanent pipe connection |
| 08/02/1988 | CA1239779A1 Hose coupling crimper and method of crimping |
| 07/26/1988 | US4759111 Method of forming reinforced box-selection frame members |
| 07/19/1988 | US4757609 Apparatus for joining sheet material |
| 07/14/1988 | DE3644547A1 Connection of extruded sections |
| 07/13/1988 | EP0274268A2 Body to tube attachment |
| 07/12/1988 | CA1239163A1 Joint for joining together two pipe ends |
| 07/06/1988 | CN87205452U Hydraulic bidirectional self-lock sealing casing roller |
| 07/05/1988 | US4754634 Device for forming bead to pipe |
| 07/05/1988 | US4754538 Annular tube-like driver |
| 06/29/1988 | EP0272511A2 Method of making pipe joints for high pressure hydraulic pipelines |
| 06/29/1988 | EP0272376A2 Apparatus for the rivet-like joining together of sheet metals |
| 06/28/1988 | US4753101 Apparatus and method for expanding and shaping tubular conduits |
| 06/28/1988 | US4752993 Fastener and method of attachment to sheet material |
| 06/14/1988 | US4750250 Method of fastening drive elements of a hollow shaft |
| 06/09/1988 | DE3640690A1 Pipe with a widened, reinforced end, and apparatus for its production |
| 06/07/1988 | US4749117 Tube sheet welding |
| 06/07/1988 | CA1237574A1 Punch anvils for sheet fastening systems |
| 06/02/1988 | WO1988003356A3 Method and apparatus for producing a stamped substrate |
| 06/01/1988 | EP0269313A1 Pressure cylinder port attachment |
| 06/01/1988 | EP0269312A1 Pressure cylinder flange attachment |
| 06/01/1988 | EP0268817A1 Rotation-proof mechanical fastener and tool to secure the fastener |
| 06/01/1988 | EP0268735A1 Method for the folded or flanged connection of part of a tube to a connecting piece |
| 05/31/1988 | US4747225 Weapon barrel with metallorgically bonded wear resistant liner |
| 05/25/1988 | EP0268403A1 Hydraulic radial deformation of a tubular member |
| 05/25/1988 | EP0268302A2 Fastener and method of attachment to sheet material |
| 05/24/1988 | US4746240 Self crimping connection for inner and outer members and method of assembling the same |