| Patents for B21D 51 - Making hollow objects (8,973) |
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| 01/01/1992 | CN1015236B Apparatus for guiding of can bodies of non-circular gross-section |
| 12/31/1991 | US5076440 Easy-open container having improved label |
| 12/31/1991 | US5076087 Manufacture of metal can bodies |
| 12/31/1991 | US5075951 Drum closure and method of making |
| 12/28/1991 | WO1992000190A1 Container made of sheet material, and process for recycling the container |
| 12/25/1991 | CN1057217A Press moulding method for thin wall metal pipe |
| 12/24/1991 | US5074732 Method of producing a can end from metal |
| 12/17/1991 | US5072605 Process for production of covered deep-drawn can |
| 12/11/1991 | EP0461017A1 Process and apparatus for making a container and container obtained by said process |
| 12/11/1991 | EP0460200A1 Easy-access sheet metal container structures |
| 12/11/1991 | CN1056831A Microcomputer-controlled special-shaped pot cover edge-roller |
| 12/10/1991 | US5071302 Notched double seaming chuck |
| 12/10/1991 | US5071029 Functional and economical plastic can |
| 12/09/1991 | WO1991019655A1 Convenience-feature end closure for container body with non-cylindrical sidewall |
| 12/09/1991 | WO1991018796A1 Convenience-feature non-circular end closure with interrupted panel profiling |
| 12/03/1991 | US5069590 Process for producing a two-chamber pressurized package |
| 12/03/1991 | US5069382 Apparatus and method for producing a pressure vessel from metal tubing |
| 12/03/1991 | US5069052 Method for roll forming and apparatus for carrying out the method |
| 12/03/1991 | CA1292725C Pressurisable containers |
| 12/03/1991 | CA1292707C Bottom seam for a pail |
| 11/27/1991 | CN1056450A Regenerated metallic pot |
| 11/26/1991 | US5067341 Transfer plate lifts for shell press |
| 11/21/1991 | EP0457423A2 Thickness-reduced draw-formed can |
| 11/19/1991 | US5066184 Method for seaming packed cans |
| 11/19/1991 | US5065888 Improved ringless paint container with step down lid |
| 11/14/1991 | DE4109241A1 Machine for making tooth-paste tubes - screws cap onto closed end and sprays sealing medium inside open end |
| 11/12/1991 | US5064087 Self-opening can lid with improved contour of score |
| 11/12/1991 | CA1291904C Air assist means for use in transferring relatively flat objects |
| 11/05/1991 | US5062287 Method and apparatus for making and transferring shells for cans |
| 10/31/1991 | WO1991016156A1 Tapered conduit |
| 10/30/1991 | EP0453491A1 Process for producing a lateral sealing link |
| 10/29/1991 | US5061141 Method and apparatus for producing can bodies |
| 10/17/1991 | WO1991015405A1 Three-part pack of metal or metal/plastic composite film |
| 10/16/1991 | EP0451670A1 Retention device for crown caps |
| 10/16/1991 | CN1055333A Beverage container with improved drop resistance |
| 10/16/1991 | CN1014311B Container closure with increased strength |
| 10/15/1991 | US5056350 Apparatus and method for stripping a workpiece from a supporting device |
| 10/10/1991 | DE4010660A1 Dreiteilige verpackung aus metall- oder metall/kunststoff-verbundfolie Three-piece packing of metal or metal / plastic composite film |
| 10/09/1991 | EP0451013A1 Method and apparatus for making an embossed part in a sheet metal plate and product obtained by this method |
| 10/09/1991 | EP0450651A1 Beverage container with improved drop resistance |
| 10/08/1991 | US5054637 Can end for a tubular container |
| 10/08/1991 | US5054265 Method of aseptic packaging and closing containers |
| 10/03/1991 | WO1991014626A1 Container reconfiguring system |
| 10/02/1991 | DE4109873A1 Deep drawing producing vane pump housing - uses reverse drawing which presses peripheral bead to give sharp edge at flange |
| 10/01/1991 | US5052576 Container with cap-type closure |
| 09/25/1991 | EP0448436A1 Method of making hollow objects and metal containers of truncated pyramidal form and hollow objects and metal containers of truncated pyramidal form |
| 09/19/1991 | DE4007842A1 Making cylindrical barrel carcass - holding galvanised body tight at seam for laser welding in protective atmos. |
| 09/18/1991 | EP0446568A1 Door made of folded sheet metal |
| 09/18/1991 | CN2084852U Crimping arris-presser |
| 09/17/1991 | US5049019 Methods of making containers |
| 09/17/1991 | US5048317 Method of manufacturing draw-formed container |
| 09/15/1991 | CA2035009A1 Door made of folded sheet metal |
| 09/11/1991 | EP0445721A1 Two or three pieces can closed by a doublefolded seam, made from sheet metal, and method for its manufacture |
| 09/10/1991 | US5046637 Can end shells |
| 09/10/1991 | CA1288641C Method for forming a metal cylindrical container |
| 09/04/1991 | CN1054206A Method and apparatus for forming, reforming and curling shells in single press |
| 09/03/1991 | US5044189 Scrap guiding and chopping in a shell press |
| 09/03/1991 | CA1288255C Apparatus for measuring lifter pressure |
| 08/31/1991 | CA2011071A1 Exhaust pipe-silencer and a method for manufacturing parts thereof |
| 08/28/1991 | EP0443995A1 Method to manufacture sealing nipples or plugs |
| 08/28/1991 | EP0443890A1 Metal packaging lid |
| 08/27/1991 | US5042368 Ventilation grill |
| 08/27/1991 | US5042284 Method and apparatus for forming a can shell |
| 08/27/1991 | US5042152 Method of manufacturing a socket of a tube coupler |
| 08/22/1991 | DE4005095A1 Prodn. of equipment for cylinder or cone casing - uses flat sheet section between upper tool and die bent in stages along straight bending path |
| 08/22/1991 | DE4004718A1 Telescopic cover for machine tool slideways - is fabricated from two sheet metal parts requiring only simple cutting and bending operations |
| 08/22/1991 | CA2036601A1 Method to manufacture sealing nipples or plugs |
| 08/21/1991 | EP0442770A1 Metallic package with heat-sealed cover and method of making such a package |
| 08/21/1991 | EP0441773A1 A closure system and method of forming and using the same |
| 08/21/1991 | CN1013556B Method and apparatus for ensuring dimensional accuracy of frusta-pyramidal can body |
| 08/20/1991 | US5040682 Container reconfiguring system |
| 08/20/1991 | CA1287810C Can top opening assembly and method of making same |
| 08/14/1991 | EP0441618A1 Packing can |
| 08/14/1991 | CN1053762A Method and device for forming a sheet-metal blank, in particular in order to make a cathode ray tube mask, and cathode ray tube mask obtained according to this method |
| 08/14/1991 | CN1013482B Method and apparatus for the production of frusto-pyramidal can bodies |
| 08/13/1991 | US5038956 Abuse resistant, safety-edge, controlled-opening convenience-feature end closures |
| 08/08/1991 | WO1991011276A1 Method and apparatus for crimping a container cap |
| 08/08/1991 | WO1991011274A1 Method and apparatus for reforming a container |
| 08/06/1991 | US5037367 Two-chamber compressed-gas pack |
| 07/30/1991 | US5035569 Method and apparatus for positioning a can body |
| 07/27/1991 | WO1991011275A1 Method and apparatus for processing containers |
| 07/24/1991 | EP0438107A1 Scrap guiding and chopping in a shell press |
| 07/24/1991 | EP0438106A1 Method and apparatus for making & transferring shells for cans |
| 07/24/1991 | EP0437798A2 Installation for manufacturing and welding of earhandles on plate for can bodies |
| 07/20/1991 | CA2034132A1 Scrap guiding and chopping in a shell press |
| 07/20/1991 | CA2034131A1 Method and apparatus for making transferring shells for cans |
| 07/17/1991 | EP0437305A1 Apparatus for forming one-piece metal can bodies |
| 07/11/1991 | WO1991009784A1 Easy-access sheet metal container structures |
| 07/10/1991 | CN1013088B Method for processing arch thin-wall case without mould |
| 07/03/1991 | EP0435722A1 Method and device for forming a sheet metal blank in particular for producing a mask for a cathode ray tube |
| 07/03/1991 | EP0397795A4 Apparatus for forming can bottoms |
| 07/03/1991 | EP0397750A4 Dual lane conversion system |
| 07/02/1991 | US5027580 Can seaming apparatus |
| 06/25/1991 | US5026237 Method and apparatus for crimping a container cap |
| 06/20/1991 | DE3941432A1 Sheet-metal tin lid - has strip stamped out of opening edges opposite to lug hinge forming spring lug |
| 06/19/1991 | EP0433235A1 Method of forming scoring lines on tear strips and easy to open can ends as well as method of making a start fracture on a tear strip and a can made by this method |
| 06/19/1991 | EP0433203A1 Method and apparatus for drawing conical containers and containers so obtained |
| 06/19/1991 | CA2032456A1 Blank forming process and apparatus, namely for producing a cathode tube mask, and mask so produced |
| 06/18/1991 | US5024077 Method for forming container with profiled bottom |
| 06/11/1991 | US5022552 Method for producing of a closure for a container, closure, container as well as threaded ring |