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)
03/1994
03/03/1994DE4228396A1 Double-skinned sheet-metal component production method - forms equi-pitched holes not in line in main and reinforcing skins before common stamping or deep-drawing operation and fills spaces between
03/03/1994CA2143302A1 Framework with hollow members, process for producing the same and its use
03/02/1994EP0584763A1 Filler tube for liquid containers
03/02/1994CN2157840Y Expanding head with spiral lines
02/1994
02/27/1994CA2104855A1 Filler tube for liquid containers
02/23/1994EP0584020A1 Method of producing an assembly made of two glued pieces, the method including a forming step
02/22/1994CA2002191C Crankshaft with hollow pins
02/15/1994CA1326990C Probe for hydraulic expansion, including centring device
02/09/1994EP0582543A1 Pipe coupling device
02/08/1994US5283951 Method of producing a tubing for use as a flow conduit
02/08/1994CA1326768C Process for producing an assembled shaft
02/08/1994CA1326761C Pivotable mounting base for collet crimping machine
01/1994
01/25/1994US5280675 Camshaft and method of making a camshaft
01/20/1994WO1994001658A1 Camshaft and method of making a camshaft
01/20/1994DE4240427C1 Preßwerkzeug Crimping tool
01/20/1994CA2134656A1 Camshaft and method of making a camshaft
01/19/1994EP0578879A1 Heat exchanger and method of assembly thereof
01/18/1994CA1326128C Method of apparatus for expanding and sealing a sleeve into a surrounding tube
01/12/1994EP0578268A1 Cross bar connector
01/12/1994EP0577876A1 Roller type hemming apparatus
01/12/1994CN2152619Y Self-forming internal screw expand tube head
01/05/1994EP0577150A1 Metal window bar profile and its fabrication process
01/04/1994US5275236 Connecting tube for a heat exchanger fluid header, and a fluid header having such a connecting tube
12/1993
12/31/1993CA2099418A1 Crimper apparatus and method
12/28/1993US5272903 Hemming machine
12/21/1993US5271257 Pipe crimping apparatus
12/07/1993US5267387 Method for hemming a workpiece having an upturned edge
12/07/1993US5267383 Apparatus for joining sheet material
12/01/1993EP0572251A1 Tube connectors
12/01/1993EP0571930A1 Self-attaching fastening element and method of attachment
11/1993
11/24/1993EP0570641A1 Method of forming a tube to header joint
11/24/1993CN1078672A Improved panel clinching methods
11/20/1993CA2083408A1 Clinched tube to header joint
11/11/1993WO1993022105A1 Tool, pipe fittings and method of securing a pipe to such fittings
11/11/1993DE4214475A1 Method and installation for joining thin plates - with punch force and displacement monitored during the entire joining process
11/09/1993US5259102 To fasten two sheets together
11/02/1993US5257525 Portable slim-line hose fitting crimper
11/02/1993CA1323775C Process for producing assembled crankshafts by expanding sleeves arranged in divided journals
10/1993
10/27/1993EP0567278A1 Mandrel loading method and apparatus in a thermal sizing-annealing process
10/26/1993CA1323691C Electrically-nonconducting system for the connection of metal tubular elements, especially suitable for use as an antenna framework located at great depth
10/20/1993EP0566031A1 An electrically heatable caulking method
10/20/1993CN2144034Y Multifunctional pipe expanding pliers
10/20/1993CN1077402A Composite metallic pipe and its prodn. method
10/19/1993US5253773 Filler tube for liquid containers
10/19/1993US5253506 Crimping apparatus
10/14/1993DE4211959A1 Connection fitting for metallic pipes - incorporates axial bore with female thread and plane section with sealing groove
10/07/1993DE4210879A1 Fold closing mechanism for building industry - includes series of rolls having successively larger angle of inclination
10/06/1993EP0564327A1 Device to crimp a tube in a plate
10/06/1993EP0563490A1 Method of making mechanical barjoints, joint obtained by this method, bar making possible this method and installation for the preparation of the bars
10/06/1993EP0375772B1 Pipe crimping apparatus
10/05/1993US5249818 Method of making frames from tubular members and frames made by the method
09/1993
09/28/1993US5247731 Method for forming a restraint for a circular part in a tubular part
09/23/1993DE4307563A1 Partly double-skinned sheet-metal structure - has reinforcing sections partly secure to main one before deep-drawing or stamping and permanently afterwards
09/15/1993EP0560205A1 Supporting element for the rigid or articulated junction of two or more parts
09/15/1993EP0523134A4 Clinching tool for sheet metal joining
09/14/1993US5243846 Crimping apparatus with loading and unloading apparatus
09/14/1993US5243845 Flaring tool for hollow workpieces
09/14/1993US5243750 Method for forming seams in box-shaped members
09/14/1993US5243748 Crimper apparatus and method
09/01/1993EP0558399A1 Method of fixing or plug in a tube and tube with a plug made by this method
08/1993
08/31/1993US5239888 Steering-column body tube for a motor vehicle
08/31/1993US5239753 Process for forming curved vehicle body panels
08/24/1993US5237734 Method of interlocking hemmed together panels
08/24/1993US5237733 Female die assembly for attaching a self-attaching fastening element and method of attachment
08/19/1993DE4228989C1 Clamp and/or jointing machine for metal sheets - has workpiece support, fastened to machine frame, and two-part counter holder
08/18/1993EP0556127A1 Connecting pipe for the header box of a heat exchanger
08/18/1993EP0555763A1 Method for producing the sheet metal casing for pallet-mounted containers with a plastic inner container
08/17/1993US5235841 Crimping apparatus
08/17/1993US5235836 Seal head for tube expansion apparatus
08/13/1993CA2089355A1 Process for producing the sheet-metal casing for pallet containers having an internal container that is of plastic
08/11/1993EP0398959B1 A method for joining two or several overlaying sheet formed members together, metal or non-metal, and an apparatus for carrying out the method
08/10/1993US5233856 External seal unit for tube hydroforming
08/10/1993US5233855 Polymeric anti-extrusion rings for elastomeric swaging
08/05/1993WO1993015348A1 Swaging tool for axially swaged fittings
08/05/1993WO1993014893A1 Method of joining metal plates together, and a device and tool for carrying out the method
08/05/1993CA2117438A1 Method of joining metal plates together, and a device and tool for carrying out the method
08/04/1993EP0553528A1 Die for driving pierce nut
08/03/1993US5231863 Mandrel loading method and apparatus in a thermal sizing-annealing process
08/03/1993CA1320818C Method for joining two or several overlaying sheet-formed members together, metal or non metal, and an apparatus for carrying out said method
07/1993
07/29/1993DE4202279A1 Method of joining two or more flat workpieces together - by forming flanged hole in one workpiece and pressing flange over edge of hole in second workpiece
07/27/1993US5230136 Punch and die set for sheet metal clinching
07/27/1993CA1320653C Swagging tool
07/27/1993CA1320627C Bidirectional roof seaming machine
07/22/1993DE4210691C1 Covering exhaust pipes with shell halves - involves press with tools for crimping edges of shell halves
07/20/1993US5228190 Roller type hemming apparatus
07/14/1993EP0550705A1 A method and an apparatus for carrying out an operation on a mechanical workpiece.
07/07/1993CN1073898A Forming method and equipment for integral automobile bridge casing using steel pipe
07/06/1993WO1995017983A1 Structure for and method of joining metal plate materials
07/06/1993US5224256 Method of assembly of tubular metallic fences
07/06/1993US5224253 Apparatus for hemming a workpiece having an upturned edge
06/1993
06/29/1993CA1319722C Crimped sleeve to tube joint
06/22/1993US5220722 Quick height change adjustment for tube expander
06/16/1993EP0546270A1 Method of transforming brittle material
06/10/1993WO1993010925A1 Improved panel clinching methods
06/10/1993CA2123886A1 Improved panel clinching methods
06/09/1993EP0545240A1 Clamping device for clinch joining
06/08/1993CA1318849C Cold forming tool
06/01/1993US5214848 Method for making a tube for a heat exchanger
05/1993
05/27/1993WO1993009892A1 Method of assembly of tubular metallic fences
05/27/1993CA2124121A1 Method of assembly of tubular metallic fences