| Patents for B21D 51 - Making hollow objects (8,973) |
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| 06/14/1994 | US5320468 Tin can manufacturing process |
| 06/14/1994 | US5320243 Reusable metal drum |
| 06/07/1994 | US5318166 Air hold up assembly for a stick of can ends |
| 06/01/1994 | EP0599583A1 Method of making a container body and a closure for the body |
| 06/01/1994 | EP0599549A1 Closure for container |
| 06/01/1994 | EP0599360A2 Automatic tray loading, unloading and compensating system |
| 05/31/1994 | US5316169 Ringless paint container with drip free lid |
| 05/26/1994 | DE4311078C1 Prodn. of casing-shaped printing forme - uses plate with pass hole system with both plate edges to be joined having retention strips |
| 05/25/1994 | CN1087163A Seamless cylinder shell construction |
| 05/24/1994 | US5313714 Instrument for measuring dimensions of a can seam portion |
| 05/24/1994 | CA1329785C Metal container and method of manufacturing the same |
| 05/21/1994 | CA2106723A1 Automatic tray loading, unloading and compensating system |
| 05/17/1994 | CA2015334C One step pull tab cap-lining machine |
| 05/11/1994 | WO1994009926A1 Container beading |
| 05/11/1994 | EP0596016A1 Method and apparatus for reforming can bottom to provide improved strength. |
| 05/10/1994 | US5309749 Method and apparatus for forming a can shell |
| 05/04/1994 | EP0595174A1 Easy-open can end |
| 05/04/1994 | CN1024398C Apparatus for altering cross-sectional shape of can bodies |
| 05/03/1994 | US5307665 Electromagnetic re-draw sleeve actuator |
| 05/03/1994 | US5307662 Roll threading apparatus for threading end blank for metal drum container |
| 05/03/1994 | CA2015754C Die assembly for and method of forming metal end unit |
| 04/29/1994 | CA2108583A1 Easy-open can end |
| 04/26/1994 | US5305906 Drum with plug |
| 04/20/1994 | EP0592550A1 Full open can end closure. |
| 04/20/1994 | EP0592498A1 Method and apparatus for forming can ends |
| 04/13/1994 | EP0592211A1 Seamless cylinder shell construction |
| 04/13/1994 | CN1085244A Aqueous lubrication and surface conditioning for formed metal surfaces |
| 04/12/1994 | CA1328375C Apparatus for forming can bottoms |
| 04/06/1994 | EP0591107A1 Weld cover of sheet metal tubes |
| 04/06/1994 | CN2160479Y Multifunctional seaming machine for round elbow mouth |
| 04/05/1994 | US5299899 Can seamer |
| 03/30/1994 | EP0589203A2 Can forming apparatus |
| 03/29/1994 | US5297414 Method for necking containers |
| 03/29/1994 | US5297411 Method of forming threaded opening |
| 03/29/1994 | US5297324 Fully rounded jingle bell making method |
| 03/29/1994 | CA2107050A1 Weld seam covering on metal tubes |
| 03/23/1994 | EP0588048A1 Method and apparatus for minimizing plug diameter variation in spin flow necking process |
| 03/22/1994 | US5295378 Method for making a precisely machined part |
| 03/17/1994 | WO1994005442A1 Can tooling components |
| 03/16/1994 | CN1083750A High-energy wholly shaping end-closing technology without mould |
| 03/15/1994 | US5293765 Method and apparatus for the manufacture of threaded aluminum containers |
| 03/10/1994 | DE4316165C1 Weld prepn of shell wall abutment faces - to ensure reliable weld gap tolerance for plasma laser butt welding |
| 03/03/1994 | DE4228875A1 Metal-barrel-casing producing machine - has clamp and flanges in fixed position and supporting rollers sliding radially on driving flange and acting separately on shaping rings |
| 02/22/1994 | US5287718 Curl forming method for a can end |
| 02/17/1994 | DE4322196A1 Aluminium@ capacitor housing can - has incision forming desired bursting point aligned in circumferential direction of casing, extending over part of circumference |
| 02/16/1994 | EP0582984A1 Apparatus and method for spin flow necking aD and I can |
| 02/16/1994 | EP0582806A1 Electromagnetic redraw actuator |
| 02/16/1994 | CN1081941A Method and apparatus for forming can ends |
| 02/15/1994 | CA2104061A1 Method and apparatus for minimizing plug diameter variation in spin flow necking process |
| 02/10/1994 | DE4225570A1 Closure of opening in capacitor housing by metallic expander - involves frangible pin having broader end which remains wedged in centre of sleeve when rest of pin is pulled out |
| 02/09/1994 | EP0582501A1 Manufacturing method of a metallic vessel |
| 02/08/1994 | US5284045 End tooling for multiple end diameters |
| 02/02/1994 | EP0581650A1 Improvements to apparatus for flanging containers |
| 02/01/1994 | US5282375 For reducing the diameter of an open end of a cylindrical container |
| 01/26/1994 | EP0579894A1 Metal sheet shaped to achieve polygonal articles with weldless edges at the vertices and manufacturing method for said article |
| 01/26/1994 | EP0579893A1 Apparatus for forming weldless edges on sheet metal articles |
| 01/20/1994 | WO1994001517A1 Aqueous lubrication and surface conditioning for formed metal surfaces |
| 01/20/1994 | CA2135920A1 Aqueous lubrication and surface conditioning for formed metal surfaces |
| 01/19/1994 | EP0579119A1 Redraw carriage for crank and slide press |
| 01/19/1994 | CN1080883A A method of making a brazeable metal pipe having tube-insertion apertures formed with guide lugs |
| 01/18/1994 | US5279442 Drawn and ironed container and apparatus and method for forming same |
| 01/12/1994 | EP0578268A1 Cross bar connector |
| 01/12/1994 | EP0577943A1 Method of feeding can bodies to a welding station and device for carrying out said method |
| 01/12/1994 | CN1023452C Appuratus for rotating top ends of cans |
| 01/11/1994 | US5277047 Conversion system tooling heater |
| 01/05/1994 | EP0577503A1 Method of making a can consisting of a metallic body and lid and can made by this process |
| 01/05/1994 | EP0577239A1 A method of making a brazeable metal pipe having tube-insertion apertures formed with guide lugs |
| 01/05/1994 | EP0577150A1 Metal window bar profile and its fabrication process |
| 01/05/1994 | CN2151824Y General convex mold for rectangular case part curved mold |
| 01/04/1994 | US5275033 Metal can body shaping installation |
| 01/04/1994 | CA2011786C Ventilation grille |
| 12/29/1993 | EP0576332A1 Crimp head for food tins comprising tolerance regulating means |
| 12/29/1993 | EP0397750B1 Dual lane conversion system |
| 12/28/1993 | US5272901 Apparatus for forming can ends |
| 12/23/1993 | WO1993025331A1 Improved body maker apparatus |
| 12/22/1993 | EP0574670A1 Method and device for forming metal sheets into can bodies and for feeding them to a welding station |
| 12/22/1993 | CN1079682A Method and apparatus for shaping metal sheets into can bodies and feeding the can bodies to a welding station |
| 12/21/1993 | US5271259 Apparatus for drawing and ironing a metal container |
| 12/21/1993 | US5271258 Method and apparatus of forming one-piece core cap stamping with keyway |
| 12/16/1993 | DE4228125C1 Mfr. of hollow shapes on prodn. line - has sensors after deep drawing and/or after trimming to check dimensions and remove faulty articles before lacquering and printing |
| 12/15/1993 | EP0460200A4 Easy-access sheet metal container structures |
| 12/13/1993 | CA2093719A1 Electromagnetic redraw actuator |
| 11/23/1993 | US5263354 Clamping ring for use in fabricating a onepiece can body |
| 11/18/1993 | EP0570212A1 Method for producing a large arcuate tank |
| 11/18/1993 | EP0570005A2 Spin flow necking apparatus and method of handling cans therein |
| 11/16/1993 | US5261558 Can bodies |
| 11/16/1993 | US5261261 Method and apparatus for forming a fluted can body |
| 11/16/1993 | CA2096303A1 Spin flow necking apparatus and method of handling cans therein |
| 11/16/1993 | CA1324343C Ringless paint container |
| 11/04/1993 | DE4214386A1 Mfr. of fuel distributor batten - in which prefab. nozzle holders are connected to top batten section by forming, and lower batten section is then connected |
| 11/03/1993 | EP0567690A1 Method of producing a potlike housing |
| 11/03/1993 | CN1078040A Induction dryer and magnetic separtaor |
| 11/02/1993 | US5257709 Container provided with metallic cover and method and apparatus for manufacturing the same |
| 11/02/1993 | US5257523 Can body maker with magnetic ram bearing and redraw actuator |
| 11/02/1993 | CA1323848C Plastic closures for containers and cans and methods of and apparatus for producing such closures |
| 10/27/1993 | CN1077669A Technique and special cutter for scratching cap of top pop can |
| 10/20/1993 | EP0565762A1 Closeable sheet metal container |
| 10/19/1993 | US5253500 Method of reforming a metal container to increase container strength |
| 10/12/1993 | US5252019 Convenience-feature non-circular end closure with interrupted panel profiling |
| 10/05/1993 | US5249449 Can necking apparatus with spindle containing pressurizing gas reservoir |