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Class Information
Number: 72/427
Name: Metal deforming > With means to handle work or product > Including product handling means > Ejector
Description: Apparatus comprising an element having a surface that is movable from a zone within the confines of a tool to a zone outside of the confines of said tool, whereby movement of the element positively displaces product from the tool.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8544312 Press molding die structure and method of press molding work Oct. 1, 2013
8511128 Ejection of residual parts from plate-type workpieces Aug. 20, 2013
8468867 Threadrolling machine with device for unloading workpieces Jun. 25, 2013
8375762 Stripper device for can drawing and ironing apparatus Feb. 19, 2013
8122752 Discard conveying apparatus Feb. 28, 2012
8069698 Trim and pierce press assembly and method of use Dec. 6, 2011
8006532 Workpiece supporting device for a multiple-die horizontal forging press Aug. 30, 2011
7631533 Method and device for the production of stamped parts Dec. 15, 2009
7254979 Device for ejection of moulded pieces from a moulding tool Aug. 14, 2007
7249480 In-die hydropiercing device for piercing holes in hydroformed parts Jul. 31, 2007
7021099 Extraction system for hot formed parts Apr. 4, 2006
7000444 Forging method and apparatus Feb. 21, 2006
6918280 Workpiece ejector and transfer apparatus Jul. 19, 2005
6615631 Panel extraction assist for superplastic and quick plastic forming equipment Sep. 9, 2003
6571596 Automatic two-station adiabatic blank cut-off and part forming system Jun. 3, 2003
6301949 Press for forming workpieces Oct. 16, 2001
6256871 Crimping apparatus for electrical connectors Jul. 10, 2001
6134938 Forming tools Oct. 24, 2000
6006566 Method and device for removing a slug from a hydroforming tool Dec. 28, 1999
5974852 Lifter unit for transfer die Nov. 2, 1999
5884520 Die set having shut height adjust and stripper plate actuator mechanisms Mar. 23, 1999
5857375 Can end stripper and part ejector Jan. 12, 1999
5823104 Press for cold working of metal workpieces Oct. 20, 1998
5816089 Hydroforming apparatus having in-die hole piercing capabilities and a slug ejection system using hydroforming fluid Oct. 6, 1998
5735159 Assembly to expel bars Apr. 7, 1998
5666838 Forging press for use with automated multi-station transport system Sep. 16, 1997
5542277 Apparatus for stripping a drawn article from a punch Aug. 6, 1996
5542276 Method and an apparatus for ejecting an elongate blank from a die Aug. 6, 1996
5497646 Air stripper for can body maker apparatus Mar. 12, 1996
5357663 Slide fastener coupling element forming apparatus Oct. 25, 1994
5353625 Terminal crimping machine Oct. 11, 1994
5331836 Method and apparatus for forming can ends Jul. 26, 1994
5283946 Method and apparatus for forming metal leads Feb. 8, 1994
5226306 Bead forming metal die for forming metal gasket Jul. 13, 1993
5210936 Method and apparatus for the excise and lead form of TAB devices May. 18, 1993
5155901 Integrated circuit lead frame positioner apparatus and method Oct. 20, 1992
5099672 Forming press Mar. 31, 1992
5065636 Drive arrangement for a male-die-side ejector slidably disposed in a slide of a mechanical metal-forming press Nov. 19, 1991
5058412 Driving apparatus for activating a workpiece impelling mechanism in a nut former Oct. 22, 1991
5031439 Drive for a male-mold-side ejector slidably disposed in a slide of a metal-forming press Jul. 16, 1991
4956008 Apparatus for superplastic forming and ejection of a part from a die Sep. 11, 1990
4951537 Apparatus for producing a blank from stock material Aug. 28, 1990
4934230 Die stamping system Jun. 19, 1990
4899572 Pneumatic-hydraulic booster type driving device for the cushion-knockout mechanism associated with the slide of a press-machine Feb. 13, 1990
4896524 Device for the ejection of pressings out of a press tool Jan. 30, 1990
4887448 Knockout pin apparatus Dec. 19, 1989
4879894 Press with movable workpiece support carrier Nov. 14, 1989
4819476 Tooling for forming machines having improved guidance, tool mounting, and pilot pin systems Apr. 11, 1989
4790171 Upstacker reject apparatus Dec. 13, 1988
4774865 Die stamping system Oct. 4, 1988

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