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)
08/1989
08/23/1989EP0329044A2 Method of joining metals of different physical properties
08/22/1989US4859408 Method and apparatus for securing structural tubes in nuclear reactor fuel assemblies
08/22/1989US4858686 Heat exchanger
08/22/1989US4858305 Single station tension hairpin tube expander
08/15/1989US4856316 Apparatus for forming joints
08/15/1989US4856176 Process and apparatus for assembling a tubular container
08/10/1989WO1989007020A1 A method for joining two or several overlaying sheet formed members together, metal or non-metal, and an apparatus for carrying out the method
08/10/1989DE3802798A1 Process and apparatus for connecting structural elements, in particular purlins and wall crossmembers
08/09/1989EP0326886A2 Control system for a rotation station for remotely installing a mechanical tube plug
08/09/1989EP0326571A1 Method and apparatus for producing a stamped substrate.
08/09/1989CN2042386U Multi-function cuting and expending pipe apparatus
08/09/1989CN1034610A Clamping ring pipe connection for metallic pipes
08/08/1989US4854031 Hose crimper and method of using same
07/1989
07/25/1989US4850096 Method of joining pipes
07/19/1989EP0324500A1 Composite shaft with integrated drive elements
07/19/1989EP0324499A1 Method for producing a composite shaft
07/19/1989EP0324498A1 Drive shaft composed of several layers
07/18/1989US4848286 Ceramic tiped pivot rod and method for its manufacture
07/18/1989US4848121 Manual hose end crimper
07/18/1989US4847967 Process for the repair by lining or a steam-generator tube and a repair lining for this tube
07/13/1989WO1989006168A1 Apparatus for coupling tubular material
07/12/1989CN1004754B Method and apparatus for the mfg. of a screen roller
07/06/1989DE3837359A1 Clamping-ring tube (pipe) connection for metallic tubes
07/04/1989US4843860 For creating a bell
07/04/1989CA1256723A1 Process and appliance for attaching a nut to a plate-shaped workpiece
06/1989
06/29/1989WO1989005698A1 Method of working double tube
06/27/1989US4841627 Apparatus for making tubular camshaft assemblies
06/27/1989US4841622 Apparatus for interference-fitting an inner member with an annular outer member
06/20/1989US4840360 Expanding mandrel
06/13/1989CA1255507A1 Explosive charge for the explosive welding of large diameter pipes, and a method for its manufacture
06/13/1989CA1255481A1 Pipe joining method
06/07/1989CN1033247A Hydraulic bidirectional self-locking seal-type pipe expander
06/06/1989US4836705 Hollow integral rivet
06/06/1989US4836586 Composite coupling
06/06/1989US4835850 Apparatus for joining pieces of sheet metal
06/06/1989US4835832 Method of assembling tubular shaft assemblies
06/06/1989CA1255132A1 Method of mechanically blocking an internal element in a hollow external body
05/1989
05/30/1989CA1254777A1 Self-attaching fastener, method of installation and installation apparatus
05/23/1989US4831711 Method for joining thin plates stacked on one another
05/23/1989US4831704 Apparatus for connecting thin plates
05/16/1989US4829654 Method of manufacturing a pressurized fluid coupling
05/16/1989US4829648 Apparatus and method for simultaneously loading a reinforcing sleeve and mandrel into a tube
05/16/1989CA1254273A1 Plastic sleeve for protecting splices of electric cables or telephone cables and a method for achieving fluid-tightness of said sleeve
05/10/1989EP0315136A1 Method of manufacturing crank shafts made of several parts by expanding sleeves engaged in divided crank pins
05/09/1989US4827748 Cold forming tool
05/09/1989US4827605 Apparatus for securing straight tubes between two tube sheets in a pressure-tight manner
05/09/1989US4827595 Method for hemming overlapped sheet material
05/09/1989US4827594 Process for lining a peripheral tube of a steam generator
05/05/1989WO1989003733A1 Air cargo container and method for forming side panels thereof
05/05/1989WO1989003732A1 Compression moulding tool for manufacturing multilayer moulder plates
05/03/1989EP0314267A2 Tool for cold forging tubular members
05/02/1989US4826347 Force-fitted connection of a circular metal tube in an oval housing
05/02/1989US4825682 Adjustable crimping tool
05/02/1989US4825525 Clinching tool
05/02/1989US4825519 Machine for making awnings
05/02/1989CA1253317A1 Method and apparatus for installing pierce nuts
04/1989
04/25/1989US4823973 Bottom seam for pail
04/25/1989US4823847 Multi-layer helical seam steel pipe
04/20/1989DE3733990A1 Expansion tool for ends of thin-walled sheet-metal tubes
04/18/1989US4821391 Machine for forming automotive muffler mechanical lock joint
04/12/1989CN2035666U Dual-roller flanging tube-expander
04/06/1989WO1989002854A1 Abuse resistant, safety-edge, controlled-opening convenience-feature endclosures
04/04/1989US4817262 Paint drain closure attaching method
04/04/1989CA1290671B Tube expanding tool
04/04/1989CA1252029A1 Tube expanding tool
03/1989
03/29/1989EP0309084A2 Joining metal tubes
03/29/1989EP0309078A2 Method of apparatus for expanding and sealing a sleeve into a surrounding tube
03/28/1989US4816121 Cyclic chemical reactor
03/28/1989US4815649 Method of underwater jointing and repair of pipelines
03/28/1989US4815195 Method of combining plurality of parts and structure of plurality of parts combined by same
03/22/1989EP0307643A1 Hydraulic expansion mandrel with centring means
03/15/1989EP0306887A1 Hot rolled concrete reinforcing rod, particularly a concrete ribbed bar
03/14/1989CA1251061A1 Automated process for cold working holes
03/09/1989DE3728886A1 Means for securing a pipe connection against torsional forces, and process for producing pipe-connection pieces which are secured against torsion
03/07/1989US4809743 Fuel pipe device for motor vehicles and process for producing same
03/07/1989US4809429 Apparatus for manufacturing laminated assemblies having ridges formed on projections which interlock with recesses of adjacent laminations
03/07/1989CA1250735A1 Sheet metal joining method and apparatus, and sheet metal joint
03/02/1989DE3728037A1 Connection between two metal parts in the form of panels
03/02/1989DE3727873A1 Probe for expanding tube ends within tube plates
03/01/1989EP0305061A2 Method of forming reinforced box-section frame members
02/1989
02/28/1989US4807351 Method for attaching an end-fitting to a drive shaft tube
02/23/1989WO1989001581A1 Hollow shaft and process for its manufacture
02/22/1989EP0303845A1 Hollow shaft and process for producing it
02/21/1989US4805945 Tube joint comprising means for anchoring a sleeve at its end
02/21/1989US4805592 Joint construction for metal sheets
02/21/1989US4805430 Tool for cold forging tubular members
02/21/1989US4805280 Method of joining metals of different physical properties
02/16/1989DE3726392A1 Method for connecting thin plates or plate sections resting on one another
02/14/1989US4804212 Crimped hose fitting
02/14/1989US4803767 For fastening two sheets of material together
02/08/1989EP0302353A1 Heat exchanger tube
02/07/1989US4802273 Hydraulic expansion tool for tubular element
02/02/1989DE3724675A1 Heat exchanger
02/01/1989EP0301425A1 Expansible mandrel with widening joints
01/1989
01/31/1989CA1249618A1 Method for manufacturing a sleeve, and such a sleeve for tightly jointing it to a submarine pipe laid at great depth
01/25/1989EP0300318A1 Apparatus for cold swaging a pipe end
01/18/1989EP0299714A2 Process and apparatus for forming flanged ends on tubular workpieces
01/18/1989CN1030372A Method and apparatus for the production of frusto-pyramidal can bodies
01/17/1989CA1248859A1 Process and device for compressing by hammering a tube of a steam generator set in a tube plate
01/12/1989DE3722062A1 Method for fastening a metallic sleeve on a stranded steel wire by extrusion