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Class Information
Number: 72/348
Name: Metal deforming > By use of closed-die and coacting work-forcer (e.g., push-drawing) > Cup or shell drawing (i.e., deep drawing) > With additional metal-deforming
Description: Subject matter further comprising organized apparatus or a method step of a type which itself constitutes subject matter for this class.










Sub-classes under this class:

Class Number Class Name Patents
72/349 Plural deep drawing 221


Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
8671730 Method and apparatus for making a can with a curled end, such can and body Mar. 18, 2014
8613213 Interchangeable spring loaded scrap cutter Dec. 24, 2013
8601849 Device cover and method for fabricating the same Dec. 10, 2013
8573020 Method and apparatus for forming a can shell Nov. 5, 2013
8567224 Stretched metal article having reinforced terminal edge and method of making same Oct. 29, 2013
8555692 Expanding die and method of shaping containers Oct. 15, 2013
8522593 Method and device for producing highly dimensionally accurate flanged half shells Sep. 3, 2013
8511125 Flexible necking station arrangement for larger beverage cans Aug. 20, 2013
8511129 Press forming method for metal sheet and frame part for automotive body manufactured thereby Aug. 20, 2013
8511134 Die former Aug. 20, 2013
8468866 Die cushion device Jun. 25, 2013
8454292 Method of forming a can end having a moveable portion Jun. 4, 2013
8434342 Method and apparatus for forming a can shell May. 7, 2013
8393192 Can end scoring method, and tooling assembly and conversion press therefor Mar. 12, 2013
8365570 Can body for laminated steel sheet two-piece can and method for manufacturing can body Feb. 5, 2013
8328492 Can end Dec. 11, 2012
8322182 Method for producing a pot-shaped housing part, and a pot-shaped housing part, especially for a hub part of a hybrid drive Dec. 4, 2012
8322183 Manufacturing process to produce a necked container Dec. 4, 2012
8296922 Method for producing low-springback half shells Oct. 30, 2012
8286459 Method for producing two-piece can and two-piece laminated can Oct. 16, 2012
8261591 Apparatus for hot-forming, press-quenching, and cutting semifinished hardenable-steel workpiece Sep. 11, 2012
8240014 Method of manufacturing a fuel injector having an encased piezo electric actuator Aug. 14, 2012
8240184 Method for producing high-precision half shells Aug. 14, 2012
8161787 Tab, tooling for the manufacture of the tab and method of manufacturing the tab Apr. 24, 2012
8141406 Method and apparatus for forming a can shell Mar. 27, 2012
8122747 Can end scoring method, and tooling assembly and conversion press therefor Feb. 28, 2012
8117881 Press-molding method and press-molding device Feb. 21, 2012
8118197 Method of making aerosol valve mounting cups and resultant cups Feb. 21, 2012
8104319 Method of forming a can end Jan. 31, 2012
8074483 Two-piece can, method for manufacturing same, and steel sheet therefor Dec. 13, 2011
8056384 Punching method Nov. 15, 2011
8024954 Method for making a cold-worked article Sep. 27, 2011
8015852 Metallic cover and method for making the same Sep. 13, 2011
7987957 Bushing-type roller overrunning clutch with a cage for needles or rollers Aug. 2, 2011
7980413 Base for metallic container Jul. 19, 2011
7975520 Tooling and method for the manufacture of a tab with coin precurl for improved curl formation Jul. 12, 2011
7966857 Method of making an HVAC high efficiency takeoff connector Jun. 28, 2011
7954354 Method of manufacturing containers Jun. 7, 2011
7950261 Method and apparatus for press forming sheet material May. 31, 2011
7934410 Expanding die and method of shaping containers May. 3, 2011
7900492 Method for press forming of a panel part having a bent portion and press forming device Mar. 8, 2011
7845204 Cup-shaped member forming apparatus Dec. 7, 2010
7765848 Press working method and press working apparatus Aug. 3, 2010
7743637 Rolling tool with integrated drawing stage Jun. 29, 2010
7726165 Manufacturing process to produce a necked container Jun. 1, 2010
7716809 Method for making a double-walled yoke May. 18, 2010
7665340 Method for manufacturing one piece turnbuckle Feb. 23, 2010
7661286 Method for producing a cup-shaped object Feb. 16, 2010
7624611 Method and apparatus for forming a cup-shaped member Dec. 1, 2009
7596980 Method of forming coated steel sheet Oct. 6, 2009

1 2 3 4 5 6 7










 
 
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