B21D 51 - Making hollow objects

Patents for B21D 51 - Making hollow objects (8,973)
12/1994
12/13/1994	US5372028 Device for forming a construction on the open end zone of a metal can
12/13/1994	CA1333475C Metal containers
12/08/1994	DE4318754A1 Method of making a bottom on a bottle blank
12/07/1994	EP0596016A4 Method and apparatus for reforming can bottom to provide improved strength.
12/07/1994	CN2184498Y Forming device
12/06/1994	US5370519 Apparatus for cutting and dispensing cap lining material
11/1994
11/30/1994	EP0626254A2 Process and apparatus for forming an outwardly curled lip on cylindrical container body
11/30/1994	EP0626123A1 Induction dryer and magnetic separator
11/30/1994	EP0625930A1 Automated production lines for producing rolled welded shells
11/29/1994	CA1333235C Process and device for manufacturing filler elements from expanded material
11/24/1994	WO1994026813A1 Plastisol composition
11/24/1994	CA2162363A1 A plastisol composition
11/23/1994	EP0625079A1 Process for manufacturing tubular parts
11/22/1994	US5366137 Method and apparatus for shaping metal sheets into can bodies and feeding the can bodies to a welding station
11/17/1994	DE4416161A1 Container, especially can
11/16/1994	CN2182692Y Double-function machine for making cans or the like
11/10/1994	WO1994025197A1 Method and apparatus for forming a can shell
11/10/1994	DE4313871A1 Process and apparatus for the production of can bodies from plastic-coated tinplate
11/10/1994	DE4312287C1 Stackable drawn parts and a tool for the drawing of these
11/09/1994	EP0623405A1 Device for flanging cylindrical bodies by rolling
11/09/1994	CN1026470C Integrated expanding manufacturing method for double-layer spheric container
11/02/1994	EP0425704B1 Manufacture of drawn/ironed can
11/01/1994	US5360649 Thickness-reduced draw-formed can
10/1994
10/26/1994	EP0621195A2 Easy-open container end
10/26/1994	EP0621183A1 Air hold up assembly for a stick of can ends
10/25/1994	US5358369 Can seamer
10/25/1994	US5358285 Stress relief groove for drill pipe
10/25/1994	US5357779 Can body maker with magnetic ram bearing and redraw actuator
10/25/1994	US5357667 Process for producing a sheet-metal jacket for pallet containers with an inner container of a synthetic resin
10/22/1994	CA2121205A1 Easy-open container end
10/22/1994	CA2118653A1 Air hold up assembly for a stick of can ends
10/19/1994	EP0620164A1 Method for producing a closure for bottles or the like
10/18/1994	US5356256 Reformed container end
10/18/1994	US5355710 Method and apparatus for necking a metal container and resultant container
10/18/1994	US5355709 Methods and apparatus for expansion reforming the bottom profile of a drawn and ironed container
10/18/1994	CA2005307C Rotary cup infeed
10/13/1994	WO1994022614A1 A method of controlling the closing of a can or container, as well as a closing machine for carrying out the method
10/13/1994	WO1994022612A1 Stiffening bulging
10/13/1994	CA2160000A1 Dent profiling
10/12/1994	EP0619185A1 Device for manufacturing a sleeve, particularly a sleeve-shaped printing plate with a gapless peripheral surface
10/12/1994	CN2179213Y Cap maker with automatic feeding
10/11/1994	US5353619 Apparatus and method for necking tubular members such as containers
10/05/1994	CN2178573Y Automatic stamping equipment for forming of cosmetic colour pressed powder box
10/05/1994	CN2178572Y Multifunction roll squeezer
10/04/1994	US5351852 Base profile for a drawn container
10/04/1994	US5351850 Double-walled barrel and method of its manufacture
09/1994
09/28/1994	EP0616858A1 Process and apparatus for forming profiled hollow workpieces
09/27/1994	US5349843 Overhead belt discharge apparatus for container end closures
09/27/1994	US5349837 Method and apparatus for processing containers
09/27/1994	US5349836 Method and apparatus for minimizing plug diameter variation in spin flow necking process
09/27/1994	CA2119624A1 Method and apparatus for shaping hollow-section workpieces
09/21/1994	EP0537186B1 Packaging container folded of sheet material
09/20/1994	US5348809 Sheet steel easy open can lid superior in can openability and not requiring repair coating of inner and outer surfaces
09/20/1994	US5347839 Draw-process methods, systems and tooling for fabricating one-piece can bodies
09/15/1994	WO1994020237A1 Closure with plastics insert
09/15/1994	WO1994020236A1 Tooling apparatus and method for high speed production of drawn metal cups
09/14/1994	EP0483207B1 Improvements in or relating to metal deformation
09/14/1994	CN1091942A Metallic vacuum double-walled container and manufacturing method therein
09/13/1994	CA1331959C Bung type container
09/07/1994	EP0613752A1 Method for forming a stainless steel cooking utensil with a decorated base
09/07/1994	EP0380662B1 Method of manufacturing draw-formed container
09/06/1994	US5343729 Fabricating one-piece can bodies with controlled side wall elongation
09/01/1994	DE4306110A1 Apparatus for bringing together a plurality of strings of lids to form one string of lids and/or for dividing one string of lids into a plurality of strings of lids
08/1994
08/30/1994	US5341668 Method of forming a vessel pouring spout
08/30/1994	US5341667 Container bottom wall reforming apparatus and method
08/30/1994	US5341665 Tool system for an annular sheet metal part
08/18/1994	WO1994018806A1 Double ended field coil actuator
08/18/1994	CA2155656A1 Double ended field coil actuator
08/17/1994	EP0611060A1 Adjustable conveyor pulley drum
08/17/1994	CN1090799A Can forming apparatus
08/09/1994	US5335532 Body maker apparatus
08/09/1994	CA1331354C Easy open can end and method of manufacture thereof
08/04/1994	DE4302431A1 Machine for shaping sheet metal barrel jackets
07/1994
07/30/1994	WO1994016842A1 Process and installation for producing aluminium cans for beverages or foodstuffs
07/30/1994	CA2133312A1 Process and installation for producing aluminium cans for beverages or foodstuffs
07/26/1994	US5331836 Method and apparatus for forming can ends
07/21/1994	WO1994015734A1 Method for the distributed manufacture of essentially cylindrically shaped receptacles using a sleeve-shaped semifinished article, sleeve-shaped semifinished article, and apparatus for deforming a sleeve-shaped semifinished article
07/19/1994	US5330091 Seamless cylinder shell construction
07/19/1994	US5329800 Conversion system having conveyor slide assembly for multiple belts
07/13/1994	EP0605978A2 End tooling for multiple diameters
07/13/1994	CN1089192A Can with beading zone-chatenay 265
07/12/1994	US5328313 Convenience-feature end closure for container body with non-cylindrical sidewall
07/12/1994	CA1330658C Two-chamber compressed-gas pack and process for producing it
07/07/1994	WO1994014552A1 Method of manufacturing easily openable can lids of resin laminated metal plate, easily openable can lid, and resin laminated metal plate for easily openable can lids
07/07/1994	DE4300090A1 Mfr. double walled insulation containers
07/06/1994	EP0604788A1 Method of forming a vessel pouring spout
07/06/1994	CN1025298C Method and device for forming sheet-metal blank,in particular in order to make cathode ray tube mask
07/05/1994	US5325985 Gasket with a self-supporting protrusion
07/05/1994	US5325699 In a can forming apparatus
07/05/1994	US5325696 Apparatus and method for strengthening bottom of container
07/01/1994	CA2109653A1 Method of forming a vessel pouring spout
06/1994
06/29/1994	EP0603613A1 Metallic vacuum double-walled container and manufacturing method thereof
06/28/1994	US5323953 Pressurised storage for gases
06/23/1994	WO1994013414A1 Process for manufacturing tubular parts
06/22/1994	EP0602161A1 A method of manufacturing a screening drum.
06/21/1994	US5321889 Base drum of electrophotographic photoconductor and method for the preparation thereof
06/15/1994	EP0601731A2 Flange extension for externally detachable drum liner
06/15/1994	CN1087850A Conic cylinder hydraulic flanging shaping technique and apparatus
06/15/1994	CN1087849A Mfg. Technique and apparatus for vessel sealing cap
06/14/1994	US5320469 Can seamer

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