| Patents for B21D 51 - Making hollow objects (8,973) |
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| 02/27/1990 | US4903521 Method and apparatus for forming, reforming and curling shells in a single press |
| 02/27/1990 | US4903515 Heating container manufacturing apparatus |
| 02/21/1990 | CN1039769A Container end-closure |
| 02/20/1990 | US4901557 Method and apparatus for the production of frusto-pyramidal can bodies |
| 02/20/1990 | CA1266011A1 Closure construction having backup support means |
| 02/15/1990 | DE3926820A1 Bung hole in container - has short pipe extending up integral from lid with external screw thread |
| 02/06/1990 | CA1265484A1 Method of making a filled container |
| 01/31/1990 | EP0352862A2 Closure assembly for a container |
| 01/31/1990 | CN1039197A Can end shells |
| 01/30/1990 | US4896788 Packaging means having tab sealing means attached with solvent-free hot melt adhesive, hot melt adhesive therefor and method of adhesive bonding using said adhesive |
| 01/30/1990 | CA1265075A1 Drum or pail closure |
| 01/30/1990 | CA1264967A1 Poly v-pulley |
| 01/24/1990 | EP0351560A2 Machine for changing the cross-sectional shape of round casings, in particular for caps |
| 01/24/1990 | CN1038957A Method for roll forming and apparatus for carrying out the method |
| 01/23/1990 | US4895012 Method and apparatus for transferring relatively flat objects |
| 01/17/1990 | EP0351158A1 Press and transfer tool |
| 01/09/1990 | CA1264272A1 Method and apparatus for trimming product from can flange area |
| 01/03/1990 | EP0349521A2 Forming apparatus for hollow articles |
| 01/03/1990 | EP0349337A2 Transfer of can bodies in can body line |
| 01/03/1990 | EP0349054A1 Metal packaging can and method of making it |
| 01/03/1990 | CN2050354U Ball cell shapped by one section cylinder and frustum through explosion |
| 01/02/1990 | US4891089 Apparatus for adhering ribbons to cartridge shell plate |
| 12/28/1989 | DE3821227A1 Double-walled pressurised gas cylinder |
| 12/27/1989 | EP0348070A1 A method for roll forming and apparatus for carrying out the method |
| 12/21/1989 | DE3908394C1 Apparatus for making can bodies |
| 12/21/1989 | DE3820645A1 Cup-shaped housing |
| 12/20/1989 | EP0346546A2 Method of forming a drum dosure |
| 12/20/1989 | CN1038038A Method for processing arch thin-wall case without mould |
| 12/19/1989 | US4887732 Vinyl chloride covering |
| 12/14/1989 | WO1989011930A1 Method of manufacturing draw-formed container |
| 12/13/1989 | CN1037853A Apparatus for altering cross-sectional shape of can bodies |
| 12/12/1989 | US4885924 Method of forming containers |
| 11/30/1989 | WO1989011357A1 Process and device for producing filling bodies from mesh |
| 11/29/1989 | EP0343159A1 Method and apparatus for necking containers. |
| 11/23/1989 | EP0342608A1 Method and apparatus for making filling elements from expanded metal |
| 11/22/1989 | CN2047996U Bottle covers reinstating machine |
| 11/22/1989 | CN1037288A Apparatus for guiding of can bodies of non-circular gross-section |
| 11/14/1989 | US4880131 Ringless paint container |
| 11/08/1989 | EP0340955A1 Can end shells |
| 11/08/1989 | EP0340457A2 Guiding equipment for can bodies with a non-circular cross-section |
| 11/02/1989 | WO1989010216A1 Can end shells |
| 11/02/1989 | EP0340011A2 Apparatus for seaming can end |
| 11/02/1989 | EP0181879B1 Method of closing a container by securing a cover to a container body by means of a double seam |
| 10/10/1989 | US4873432 Compound application detector |
| 10/04/1989 | EP0335602A1 Whisker reinforced ceramic material working tools |
| 10/04/1989 | EP0335301A2 Method and apparatus for making can bodies |
| 10/04/1989 | CN2045335U Integral deformed pail body shaper |
| 10/03/1989 | US4870847 Method and apparatus for forming outwardly projecting beads on cylindrical objects |
| 09/27/1989 | EP0333805A1 Abuse resistant, safety-edge, controlled-opening convenience-feature endclosures |
| 09/26/1989 | US4870241 Conveyor device for can bodies in a can welding machine |
| 09/26/1989 | CA1260243A1 Apparatus for closing a metallic shield around a cable core |
| 09/20/1989 | EP0332801A2 Apparatus for changing the cross-sectional shape of can blanks |
| 09/19/1989 | USRE33061 Two-out belt system |
| 09/12/1989 | US4865506 Apparatus for reforming an end shell |
| 09/12/1989 | US4865243 Sizing tool for a machine for the longitudinal seam welding of rounded can bodies |
| 09/07/1989 | DE3904429A1 Method and device for closing containers |
| 09/06/1989 | CN1035262A Container endwall structure |
| 09/05/1989 | US4863333 Apparatus for forming cans |
| 09/05/1989 | US4863063 Beverage can |
| 09/05/1989 | US4862722 Method for forming a shell for a can type container |
| 09/05/1989 | US4862579 Apparatus for adhering ribbons to cartridge shell plate |
| 08/31/1989 | DE3800503C1 Dowel pin and process for the production thereof |
| 08/24/1989 | WO1989007556A1 Can top opening assembly and method of making same |
| 08/23/1989 | CN1034887A Method and apparastus for forming container with profiled bottom |
| 08/22/1989 | US4858782 Metal vessel having circumferential side seam and process for production thereof |
| 08/15/1989 | US4856312 Rounding apparatus for a can welding machine |
| 08/15/1989 | US4856176 Process and apparatus for assembling a tubular container |
| 08/10/1989 | WO1989007021A1 Apparatus for forming can bottoms |
| 08/08/1989 | US4854799 Dual lane conversion system |
| 08/08/1989 | US4854467 Container of sheet metal |
| 08/08/1989 | US4854149 Reducing the diameter of tubular bodies |
| 08/02/1989 | EP0326390A2 Manufacture of four-sided sheet metal containers |
| 08/02/1989 | EP0326052A2 Method of making a pressure sealing between two chambers |
| 08/02/1989 | CN1034325A Technology for making circular upper cover with inward bent periphery |
| 08/01/1989 | US4852238 Drum closure and method of making |
| 07/27/1989 | WO1989006575A1 Dual lane conversion system |
| 07/26/1989 | EP0325123A2 Method of making a cylindrical metal container |
| 07/26/1989 | CN1034176A Drum with sealed folded seam |
| 07/18/1989 | US4848623 Disc removal end wall structure with safety features |
| 07/18/1989 | US4848080 Chiplessly formed open-end spinning rotor and process for production of such and open-end spinning rotor |
| 07/12/1989 | CN1004751B Applied force monitor for apparatus for forming products from sheet material |
| 07/11/1989 | US4846389 Apparatus for guiding can bodies in a laser welding machine |
| 07/05/1989 | EP0322843A1 Can seamer |
| 07/05/1989 | CN1033586A Methods and equipments adapted for manufacting non-circular can |
| 07/04/1989 | US4844271 Deep-drawn screw cap of aluminum for glass bottles under internal pressure |
| 06/27/1989 | US4842469 Device for applying a viscous sealant in annular form onto a substantially flat surface, specifically to a can end |
| 06/27/1989 | US4842468 Process for forming a closure diaphragm for a container |
| 06/21/1989 | EP0321394A1 Closing unit made of tin-plate, process for making it and container provided with such a closing unit |
| 06/13/1989 | US4839491 Method for forming a metal cylindrical container |
| 06/13/1989 | US4838064 Apparatus for flanging and swaging a cylindrical can body on both ends |
| 06/01/1989 | WO1989004799A1 Drum with sealed folded seam |
| 06/01/1989 | WO1989004733A1 Method for supplying an oblong plant trough with end walls and apparatus for carrying out the method |
| 05/31/1989 | EP0318327A2 Metal container and method of manufacturing the same |
| 05/24/1989 | EP0317008A1 Drum with sealed folded seam |
| 05/24/1989 | EP0316754A1 Metallic container |
| 05/24/1989 | DE3738952A1 Verfahren, eine langgestreckte pflanzrinne mit endwaenden zu versehen, und vorrichtung zur ausuebung des verfahrens Method to provide an elongated trough planters with end walls, and apparatus for performing the method |
| 05/24/1989 | CN2038036U Sheet-metal forming machine |
| 05/23/1989 | US4832236 Pressurizable containers |
| 05/23/1989 | US4832223 Container closure with increased strength |
| 05/23/1989 | CA1254533A1 Container sealing cap |