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