| 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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| 10/17/1978 | USRE29802 Swaging apparatus |
| 10/17/1978 | USRE29801 Swaging apparatus |
| 10/17/1978 | US4120256 Apparatus for sealing flange joints |
| 10/17/1978 | US4120084 Method of making improved lug and hole connection between sheet metal elements |
| 10/17/1978 | CA1040681A1 Joint and process for forming same |
| 10/17/1978 | CA1040519A1 Machine for progressively closing flanges of cap strips on standing t-rib roofs |
| 10/10/1978 | US4118970 Crimping diameter adjusting valve |
| 10/10/1978 | US4118855 Method of interconnecting two members |
| 10/03/1978 | CA1039482A1 Method of cold-joining metallic articles |
| 10/03/1978 | CA1039481A1 Manufacture of heat exchangers |
| 09/26/1978 | US4116105 Fastener |
| 09/26/1978 | US4116034 Tool for assembling storage system |
| 09/19/1978 | US4114930 Swaged tube coupling |
| 09/19/1978 | US4114670 Method for securing screw means onto metal plate and metal plate having screw means secured |
| 09/05/1978 | CA1037884A1 Container and method of forming same |
| 08/29/1978 | CA1037358A1 Apparatus for the expansion of tube ends inside of a tube plate |
| 08/22/1978 | US4107964 Device for crimping tubular elements |
| 08/15/1978 | US4106179 Method of cold-joining metal parts |
| 08/08/1978 | US4104790 Pipe installing apparatus for large heat exchangers |
| 08/01/1978 | US4103527 Roll crimp machine |
| 07/18/1978 | US4100869 Expanding crimp tool for valved dispensers and the like |
| 07/11/1978 | US4099400 Versatile expanding apparatus for tubes and the like |
| 06/06/1978 | US4092773 Method for forming a clevis |
| 05/30/1978 | US4091648 Pipe grooving systems |
| 05/23/1978 | US4090382 Expanding and beading apparatus for tubes and the like |
| 05/09/1978 | US4087897 Method of making an end connection to a fluid power cylinder and product |
| 04/18/1978 | US4084306 Method and apparatus for transporting and wrapping pipe insulation |
| 04/04/1978 | US4081939 Siding panel backerboard and method of manufacturing same |
| 03/28/1978 | US4080713 Method of joining a ladder rung to a ladder rail |
| 03/28/1978 | US4080697 Arrangement for installation of ribbon-type enclosing structure |
| 02/21/1978 | US4074630 Methods and plugs to seal apertures in tube plates of heat exchangers provided with tube plates which are locally sealed with these methods and such plates |
| 02/07/1978 | US4072118 Seam crimping apparatus |
| 02/07/1978 | US4071936 Crimping apparatus |
| 01/24/1978 | US4069573 Method of securing a sleeve within a tube |
| 01/17/1978 | US4068372 Tube expander |
| 01/03/1978 | US4065953 Mechanical tube expander |
| 12/27/1977 | US4064819 Machine for progressively closing flanges of cap strips on standing T-rib roofs |
| 12/27/1977 | US4064730 Tube expander |
| 12/27/1977 | US4064618 Method of positioning an explosive insert in a vertical tube |
| 12/27/1977 | US4064617 Die assembly and method for clinching fasteners to panels |
| 12/27/1977 | US4064614 Method of making an improved hose and tube coupling |
| 12/20/1977 | US4063980 Method of making a press-fit pipe joint |
| 12/13/1977 | US4062086 Sealless strap end alignment and connection means |
| 12/06/1977 | US4061367 Lockring tube joint |
| 11/29/1977 | US4060046 Hand tool |
| 11/29/1977 | US4059897 Method of joining thin and thick switch members |
| 11/22/1977 | US4059365 Sheet metal hub assembly |
| 11/08/1977 | US4056870 Hand held powered metal clinching tool |
| 10/25/1977 | US4055064 Muffler and tail pipe expander and cleaner |
| 10/25/1977 | US4055063 Apparatus for the expansion of tube ends inside of a tube plate |
| 10/11/1977 | US4053568 Process for the preparation of antacid aluminum hydroxycarbonate hydrate |
| 09/27/1977 | US4050286 Swaging apparatus |
| 09/20/1977 | US4048697 Sealless strap end alignment and connection means |
| 09/13/1977 | US4047419 Method and apparatus for expanding spiralweld pipe |
| 08/23/1977 | US4043160 Internal tooling for swaging apparatus |
| 08/16/1977 | US4041600 Method of assembling storage system |
| 07/19/1977 | US4035901 Apparatus for joining two abutting metal members together and method of making such apparatus |
| 07/12/1977 | US4034595 Sheet metal working tool |
| 07/12/1977 | US4034593 Crimping machine with automatic swing open pushers |
| 07/12/1977 | US4034592 Crimping machine with automatic hinge open pushers |
| 07/05/1977 | US4033802 Siding panel backerboard and method of manufacturing same |
| 07/05/1977 | US4033022 Hand operated swager |
| 06/21/1977 | US4030419 Insert for explosively expanding a tube into engagement with a tube sheet |
| 06/14/1977 | US4028789 Method of installing a sleeve in one end of a tube |
| 06/07/1977 | US4027611 Seam forming apparatus |
| 05/31/1977 | US4026006 Method of forming a tube joint |
| 05/24/1977 | US4025208 Clevis |
| 05/10/1977 | US4021909 Hand portable device for fastening a holding bar on a printing blanket and method of fastening same |
| 04/26/1977 | US4019232 Ram type steel bar coupling apparatus |
| 03/29/1977 | US4014200 Cleat edge forming machine |
| 03/08/1977 | US4010533 Method of producing a transmission device |
| 02/22/1977 | US4008845 Method of positive and non-positive cold-joining |
| 02/15/1977 | US4007699 Method and apparatus for a differential rolling-in of tubes |
| 02/08/1977 | US4006619 Tube expander utilizing hydraulically actuated pistons |
| 02/08/1977 | US4006524 Method of making a hose coupling |
| 02/08/1977 | US4006520 Machine for connecting workpieces, especially pipe bend segments or the like |
| 02/01/1977 | US4005591 Ball sizing machine and method |
| 01/25/1977 | US4004444 Pipe maintenance apparatus |
| 01/18/1977 | US4003513 Explosive welding |
| 01/18/1977 | US4003492 Container body side seam construction |
| 12/28/1976 | US3999352 Wall section module |
| 12/07/1976 | US3995438 Method for increasing the load carrying capacity and pull-out resistance of hollow piles |
| 11/23/1976 | US3993428 Apparatus for fastening a corrugated sheet to a flat sheet |
| 11/23/1976 | US3993001 Explosive expansion means for attaching tubes to tube sheets |
| 10/26/1976 | US3987950 Apparatus for orienting and attaching fasteners to an article |
| 10/26/1976 | US3987740 Portable seam locking device |
| 10/19/1976 | US3986654 Method for making tubular members and product thereof |
| 10/19/1976 | US3986470 Method and means for straight line manufacture of sheet metal duct elements |
| 10/19/1976 | US3986383 Expander tool |
| 10/05/1976 | US3983735 Cleat forming method and machine |
| 09/28/1976 | US3982778 Joint and process for forming same |
| 09/28/1976 | US3982457 Notching machine |
| 09/21/1976 | US3981172 Method and apparatus for expanding spirally welded pipe |
| 09/21/1976 | US3981068 Method of making a sheet metal hub assembly |
| 09/21/1976 | US3981064 Method and apparatus for interlocking overlapping sheet material |
| 09/14/1976 | US3979810 Method of hermetically swaging tubes into tube plates |
| 09/07/1976 | US3979231 Method for producing large diameter steel pipes |
| 08/31/1976 | US3977710 Tube fitting assembly |
| 08/31/1976 | US3977068 Device and method for expansion-swaging tubes into the bores of a tube plate |
| 08/31/1976 | US3977065 Crimping machine |