| Patents for B21D 51 - Making hollow objects (8,973) |
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| 05/16/1989 | CA1254160A1 Method and apparatus of manufacturing a body of a container, same body and same container |
| 05/10/1989 | CN2037273U Bottle lid recovered unit |
| 05/10/1989 | CN2037272U Feeding device for single-headed punching machine |
| 05/09/1989 | US4828136 Can provided with easily openable closure and process for production thereof |
| 05/09/1989 | CA1253841A1 Filling material for filling containers for inflammable liquids or gases |
| 05/05/1989 | WO1989003790A1 Plastic closures for containers and cans and methods of and apparatus for producing such closures |
| 05/02/1989 | US4826382 Method and apparatus for forming container with profiled bottom |
| 05/02/1989 | CA1253401A1 Apparatus for making easy-opening can ends |
| 04/26/1989 | EP0312918A2 Method and apparatus for making a can body of non-circular section |
| 04/25/1989 | US4823973 Bottom seam for pail |
| 04/25/1989 | US4823537 Method of forming a pilferproof closure |
| 04/18/1989 | US4822232 Upstacking device for a shell conversion press |
| 04/12/1989 | EP0310726A1 Manufacturing method of conical metal boxes and tool for carrying out this method |
| 04/12/1989 | EP0193589B1 Apparatus and method for producing a hose fitting shell |
| 04/12/1989 | CN2035667U Eight-working-position stamping die for top-pop can |
| 04/11/1989 | US4820100 Method of fitting a top or a bottom to the body of a can and machine for executing this method |
| 04/06/1989 | WO1989002854A1 Abuse resistant, safety-edge, controlled-opening convenience-feature endclosures |
| 04/06/1989 | WO1989002853A1 Measures to control opening of full-panel safety-edge, convenience-feature end closures |
| 04/05/1989 | EP0309499A1 Twin-chamber compressed-gas pack and process for manufacture thereof. |
| 04/04/1989 | US4817409 Apparatus for flanging and indenting both ends of a cylindrical container body |
| 03/29/1989 | EP0308627A2 Method of making a metal plate product |
| 03/14/1989 | US4811857 Closure system and method of forming and using same |
| 03/08/1989 | CN2033714U Stepped die set for draw-ring |
| 03/07/1989 | CA1250791A1 Method and apparatus for making shells for cans |
| 03/01/1989 | EP0305029A2 Apparatus for reforming an end shell |
| 03/01/1989 | EP0304623A2 Monitorable and compensatable feedback tool and control system for a press |
| 02/28/1989 | US4808057 Workload regulator for automated production |
| 02/28/1989 | US4808053 Apparatus for making a necked-in container with a double seam on container cover |
| 02/28/1989 | US4808052 Method and apparatus for forming container end panels |
| 02/28/1989 | US4807459 Redraw apparatus for a can body making apparatus |
| 02/28/1989 | CA1250488A1 Shell for can |
| 02/22/1989 | EP0303837A2 Container closure with increased strength |
| 02/21/1989 | US4806055 Apparatus for inserting pouring spouts into container tops |
| 02/14/1989 | US4804106 Measures to control opening of full-panel safety-edge, convenience-feature end closures |
| 02/14/1989 | US4804105 Method for fabricating burr-free pull tabs and articles |
| 02/14/1989 | US4803881 Pipe stretching apparatus |
| 02/08/1989 | EP0302157A1 Method of making tubular receptacles |
| 02/07/1989 | US4802603 For carbonated beverages |
| 02/07/1989 | US4802272 Process for refurbishing containers |
| 02/07/1989 | CA1249779A1 Methods for closing containers |
| 02/01/1989 | CN1030727A Container closure with increased strength |
| 01/31/1989 | US4801070 Engine duct and case construction |
| 01/31/1989 | US4801038 Can top opening assembly and method of making same |
| 01/31/1989 | US4800743 Method and apparatus for accommodating thermal expansion and other variances in presses |
| 01/26/1989 | WO1989000658A1 Double-walled compressed gas cylinder |
| 01/26/1989 | DE3723124A1 Compressed-gas cylinder and method of producing it |
| 01/25/1989 | CN2031321U Drawing device with bottom cylinder |
| 01/24/1989 | US4800250 Methods and apparatus for manufacturing tubes |
| 01/24/1989 | US4799846 Transfer belt for can end conversion press |
| 01/18/1989 | EP0299013A1 Disc removal end wall structure with safety features |
| 01/18/1989 | CN2030919U Shaping machine for box with multi-angle edge curling |
| 01/18/1989 | CN1030372A Method and apparatus for the production of frusto-pyramidal can bodies |
| 01/18/1989 | CN1030371A Can body making apparatus |
| 01/12/1989 | DE3721654A1 Method and apparatus for the production of, in particular siphon cups |
| 01/11/1989 | EP0298230A2 Method and apparatus for making cans with a truncated pyramidal shape |
| 01/05/1989 | DE3720901A1 Method and forming press for the production of a can-like metal container with tapered side walls |
| 01/04/1989 | EP0297754A2 Reducing the diameter of tubular bodies |
| 01/04/1989 | EP0297596A2 Can body making apparatus |
| 01/03/1989 | US4795295 Rupturable can member as well as method and apparatus for its production |
| 12/29/1988 | WO1988010217A1 A closure system and method of forming and using the same |
| 12/28/1988 | EP0296270A1 Method for making a seamed or flanged connection between tubes and end closures, and apparatus, especially for carrying it out |
| 12/20/1988 | US4792081 Extruded container with dissimilar metal welding insert |
| 12/13/1988 | US4790705 Method of forming a buckle resistant can end |
| 12/13/1988 | US4790169 Apparatus for doming can bottoms |
| 12/13/1988 | CA1246394A1 Shell making method and apparatus |
| 11/30/1988 | EP0292982A1 Shell for can |
| 11/29/1988 | US4787622 Conveying device for metal sheets, particularly on a can welding machine |
| 11/23/1988 | CN88102518A Rounding apparatus for can welding machine |
| 11/23/1988 | CN88102515A Conveyor device for can bodies in can welding machine |
| 11/17/1988 | EP0290874A2 Machine for double sided beading and reducing cylindrical cans |
| 11/17/1988 | EP0290760A2 Frame guiding device in a laser welding machine |
| 11/16/1988 | CN88102675A Sizing tool for machine for longitudinal seam welding of rounded can bodies |
| 11/15/1988 | US4784282 End closures for a container body |
| 11/15/1988 | US4783985 Integral rivet and method of making |
| 11/10/1988 | DE3713472A1 Method of manufacturing a cooking vessel or the like |
| 11/09/1988 | EP0289748A2 Calibrating tool for a straight bead welding machine for rounded can shells |
| 11/09/1988 | EP0289745A2 Rounding apparatus for a can welding machine |
| 11/09/1988 | EP0289744A2 Conveyor for can shells in a can welding machine |
| 11/08/1988 | US4783233 Metallic container having a circumferential bonded portion and process for production thereof |
| 11/08/1988 | US4782993 Process for manufacturing twin layer bottoms with filling of the hollow space |
| 11/08/1988 | US4782685 Apparatus for forming tall tapered containers |
| 11/02/1988 | EP0153923B1 Easy-open container wall |
| 11/02/1988 | CN87108151A Method and device for stamping container |
| 11/01/1988 | US4781301 Process of fabrication of drum bodies having rolling hoops and the drum bodies so produced |
| 11/01/1988 | US4781047 Controlled spin flow forming |
| 10/20/1988 | WO1988007964A1 Twin-chamber compressed-gas pack and process for manufacture thereof |
| 10/20/1988 | WO1988007899A1 A method of forming metal |
| 10/18/1988 | US4777813 Chiplessly formed open-end spinning rotor and process for production of such an open-end spinning rotor |
| 10/11/1988 | US4776447 Method and apparatus for orientating can ends |
| 10/04/1988 | US4775274 Ring-shaped member supplying apparatus |
| 10/04/1988 | US4774839 Method and apparatus for necking containers |
| 09/28/1988 | EP0283805A2 Packaging with a heat-resistant bonded tongue, especially a tab on a wall part of a container, adhesive therefor and method of bonding this tab |
| 09/28/1988 | CN88100286A Disc removal end wall structure with safety features |
| 09/22/1988 | WO1988007013A1 Improved device for preventing the explosion of vessels containing hydrocarbons |
| 09/22/1988 | DE3708153A1 Method for the production of easy-to-open crown caps |
| 09/21/1988 | EP0283059A1 Method and apparatus for manufacturing a body with a cover locking ring, the manufactured body and a pre-body therefor |
| 09/21/1988 | CN87101851A Production method of drawn-can lid and blocked-punching die |
| 09/14/1988 | EP0281777A1 Cutting press |
| 09/13/1988 | US4770022 Method and apparatus for transferring relatively flat objects |
| 09/08/1988 | DE3716176A1 Method and device for reshaping hollow bodies, and use of the method or the device and can body |