| 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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| 05/09/1990 | CN1041900A Special metal pipe impact extrusion-thermal diffusion welding technology |
| 05/08/1990 | US4922904 Apparatus for connecting thread to surgical needle |
| 05/08/1990 | US4922785 Tubular camshaft assemblies and the like |
| 05/08/1990 | US4922681 Hot-rolled concrete reinforcing bar, in particular reinforcing ribbed bar |
| 05/08/1990 | US4922605 Device for lining a peripheral tube of a steam generator |
| 05/02/1990 | EP0366131A2 Metallic component cold roll/crimping tool |
| 04/25/1990 | CN1007747B Connecting structure of metal sheet |
| 04/24/1990 | US4918808 Device for remotely lining a steam generator tube of a pressurized water nuclear reactor |
| 04/24/1990 | US4918797 Metal roof panel seamer apparatus |
| 04/17/1990 | US4916798 Method of applying applique or like object to a baseplate |
| 04/10/1990 | US4915558 Self-attaching fastener |
| 04/10/1990 | CA1267599A1 Pipe expander |
| 04/05/1990 | DE3833748A1 Process and device for producing a non-releasable sealed connection of pipes |
| 04/04/1990 | EP0361630A1 Method and device and press-fitting for manufacturing a perfect, leak-proof junction of pipes |
| 04/04/1990 | EP0361221A1 Improved ceramic tipped pivot rod and method for its manufacture |
| 04/04/1990 | EP0360867A1 Method of working double tube |
| 04/04/1990 | EP0268817B1 Rotation-proof mechanical fastener and tool to secure the fastener |
| 04/04/1990 | CN1041028A Anchor-bonded composite structures and method of production thereof |
| 03/28/1990 | EP0205494B1 Drum or pail closure |
| 03/27/1990 | US4911591 Fastener and method of attachment to sheet material |
| 03/27/1990 | US4911484 Clamping ring pipe connection for metallic pipes |
| 03/27/1990 | US4910853 Apparatus for joining sheet material |
| 03/08/1990 | DE3834353C1 Press fitting |
| 03/07/1990 | CN1007085B Microwave oven |
| 03/06/1990 | US4905546 Twist-proof mechanical connecting assembly |
| 03/06/1990 | US4905362 For fastening two sheets of material together |
| 03/06/1990 | CA1266369A1 Method and apparatus for connecting thin plates |
| 02/28/1990 | EP0355236A1 Method of attaching by crimpling sheets of paper, especially a sheet of paper folded on itself |
| 02/21/1990 | EP0160002B1 A method of affixing tubes to headers in a heat exchanger |
| 02/21/1990 | CN1039769A Container end-closure |
| 02/20/1990 | US4901557 Method and apparatus for the production of frusto-pyramidal can bodies |
| 02/20/1990 | US4901555 Hemming apparatus |
| 02/20/1990 | US4901551 Hydraulic expansion tool for tubular element |
| 02/13/1990 | US4899571 Apparatus for drawing-in a pipe end by cold forming |
| 02/08/1990 | WO1990001116A1 Power drive |
| 02/07/1990 | EP0119996B1 Method of repairing leaks in steam generator tubes |
| 02/07/1990 | CN2052312U Microcomputerized controller for electrical tube expander |
| 02/06/1990 | US4897912 Method and apparatus for forming joints |
| 02/06/1990 | US4897908 Method of attaching tubes in a tube plate in a heat exchanger |
| 01/30/1990 | US4896414 Method of joining together sheets for waterproofed sealed joints |
| 01/30/1990 | CA1265075A1 Drum or pail closure |
| 01/25/1990 | WO1990000697A1 Coupling means and method for pipe material |
| 01/23/1990 | CA1264531A1 Process for crimping a malleable metal sleeve on a composite ring and insulator produced by said process |
| 01/23/1990 | CA1264529A1 Method for the assembly of slim tubes into a plate or a sleeve |
| 01/23/1990 | CA1264528A1 Method and apparatus for joining pipe |
| 01/17/1990 | EP0350899A2 Anchor-bonded composite structures and method of production thereof |
| 01/16/1990 | US4893390 Method and expander for manufacturing a furnace heat exchanger and plate assembly |
| 01/11/1990 | WO1990000098A1 Radial press for essentially cylindrical workpieces |
| 01/11/1990 | WO1990000097A1 Pipe crimping apparatus |
| 01/09/1990 | US4891964 Tool for the final forming of connector pipes |
| 01/09/1990 | US4891877 Portable tool for compressing a fitting on a hose |
| 01/04/1990 | DE3822377A1 Method and apparatus for joining two metal sheets |
| 01/02/1990 | CA1264110A1 Suspension of tools for sleeving of tubes of steam generator |
| 01/02/1990 | CA1264109A1 Tube expansion apparatus |
| 12/28/1989 | WO1989012758A1 Device comprising a pin anchored in a blind hole of at least one component |
| 12/26/1989 | US4889679 Eddy current probe apparatus having an expansible sleeve |
| 12/26/1989 | US4888862 Method for installing bearing rings |
| 12/19/1989 | US4887451 Self-retracting modular collet assembly |
| 12/13/1989 | CN1037853A Apparatus for altering cross-sectional shape of can bodies |
| 12/12/1989 | US4885928 Crimping apparatus |
| 11/30/1989 | WO1989011355A1 Manual hose end crimper |
| 11/29/1989 | EP0343624A2 Method and apparatus for shaping hollow sections, tubes, etc. |
| 11/28/1989 | US4882825 Method of connecting a tubular member with an annular member |
| 11/28/1989 | CA1263221A1 Process for the repair by lining of a steam-generator tube and a repair lining for this tube |
| 11/23/1989 | DE3816090A1 Verfahren zur herstellung von metallenen hohlprofilen und einrichtung fuer die durchfuehrung des verfahrens Process for the manufacture of metallic hollow profiles and device for carrying out the method |
| 11/16/1989 | WO1989010809A1 Process for assembling by crimping |
| 11/16/1989 | WO1989010808A1 A method and an apparatus for joining two or several overlaying sheet formed members together, metal or non-metal |
| 11/14/1989 | US4880260 Method of joining pipes |
| 11/07/1989 | US4878284 Hand held sheet metal joining system |
| 11/07/1989 | CA1262668A1 Umbrella cloth mounting assembly |
| 11/02/1989 | EP0339060A1 Compression moulding tool for manufacturing multilayer moulder plates |
| 11/02/1989 | EP0072859B1 Panel and panel assembly |
| 11/02/1989 | DE3912853A1 Method for producing a developer sleeve for use in a copier |
| 10/31/1989 | US4876871 Flexible hardroll mandrel assembly for sleeving peripherally located heat exchanger tubes |
| 10/24/1989 | US4875270 Method of securing parts to a hollow member |
| 10/18/1989 | CN1036347A Method for making assembled crank-shafts by enlarging sleeves pivoted in seperated plugs |
| 10/17/1989 | US4873755 Swaging tool having indicating means |
| 10/17/1989 | US4873753 Control system for a rotation station for remotely installing a mechanical tube plug |
| 10/17/1989 | CA1262303A1 Crimping machine |
| 10/05/1989 | WO1989009103A1 Bending apparatus |
| 10/05/1989 | WO1989009102A1 Bending apparatus |
| 10/05/1989 | WO1989009101A1 Bending apparatus |
| 10/05/1989 | WO1989009100A1 Bending apparatus |
| 10/03/1989 | CA1262125A1 Method of affixing tubes to headers in a heat exchanger and a heat exchanger assembly of tubes, headers, and fins |
| 09/28/1989 | DE3809369A1 Joining device |
| 09/27/1989 | EP0334070A2 Press tool set for connecting several superposed sheets together by way of local extrusion |
| 09/27/1989 | EP0333805A1 Abuse resistant, safety-edge, controlled-opening convenience-feature endclosures |
| 09/26/1989 | US4868964 Apparatus for joining pipe |
| 09/26/1989 | CA1260882A1 Fused eyeletting machine |
| 09/20/1989 | EP0332801A2 Apparatus for changing the cross-sectional shape of can blanks |
| 09/19/1989 | US4867004 Small-diameter and long-length expansion sensor |
| 09/19/1989 | US4866973 Pivotable mounting base for a collet crimping machine |
| 09/19/1989 | US4866966 Method and apparatus for producing bypass grooves |
| 09/13/1989 | EP0331938A2 Apparatus for accurately attaching several components to a hollow body |
| 09/06/1989 | EP0331412A2 Connection arrangement and method for forming the same |
| 09/05/1989 | US4862725 Crimping device, adjusting ring therefor |
| 09/05/1989 | US4862724 Expander for thin walled metal pipe |
| 08/30/1989 | EP0330061A2 Device for joining metal sheets together |
| 08/29/1989 | US4860656 Joining metal tubes in a liquid environment |
| 08/24/1989 | DE3804607A1 Pipe-forming device which can be inserted into a pipe |