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经典图书 1.Aformingdieset,comprising:
anextendablepunchhavingafirstimpactsurfacecomprisingapluralityofpiercingpoints;adiebodycontaininganapertureadaptedtoreceivesaidpunch;afixedopposingposthavingasecondimpactsurfacepositionedwithinsaidaperture,saidopposingpostrecessedbelowasurfaceofsaiddiebody;atleastoneformingbushingslideablyengagingsaidopposingpostandpositionedbetweensaidopposingpostandsaiddiebody;andatleastoneformingbushingactuatorsupportingsaidatleastoneformingbushing.
2.Thediesetofclaim1whereinsaidpiercingpointscompriseapluralityofpyramidshapedstructures.
3.Thediesetofclaim1whereinsaidsaiddiebodyincludesanindexingmeans.
4.Thediesetofclaim3whereinsaidsecondimpactsurfacehasaperipheraldimensionaboutequaltotheperipheraldimensionofsaidfirstimpactsurface.
5.Thediesetofclaim3whereinsaidopposingpostisrecessedbelowthesurfaceofsaiddiebodytoadepthapproximatelyequaltothedepthsaidpunchpenetratesadesiredworkpiece.
6.Thediesetofclaim5whereinsaidopposingpostisrecessedbelowthesurfaceofsaiddiebodybyfromabout0.020inchestoabout0.030inches.
7.Thediesetofclaim4whereinsaidformingbushingisdrivenbyapluralityofequallyspacedbushingactuators.
8.Thediesetofclaim7whereinsaidpluralityofbushingactuatorsarecomprisedofanalloycontainingabout0.55%byweightC,about0.25%byweightMn,about0.25%byweightSi,about1.25%byweightCr,about0.2%byweightV,about2.75%byweightWandthebalanceiron.
9.Aprogressivesequenceofdiesforformingacavityhavingadesiredlength,widthanddepth,comprising:
apluralityofextendablepunches,eachwithanimpactsurface,saidimpactsurfacesalternatingbetweenafirstdesiredpatterncomprisingapluralityofpiercingpointsandaseconddesiredpatterncomprisinganessentiallyflatsurface,thelengthandwidthofeachsaidimpactsurfaceapproximatelyequaltothedesiredlengthandwidthofsaidcavity;adiebodyincludingapluralityofaperturesadaptedtoreceiveeachsaidpunch;anopposingpostpositionedwithineachsaidaperturehavinganimpactsurfacecongruentwitheachsaidimpactsurface;andatleastonemoveableformingbushingsupportedbyatleastoneformingbushingactuatorslideablyengagedtoeachsaidopposingpost.
10.Theprogressivesequenceofdiesofclaim9whereinsaidopposingpostisrecessedbelowasurfaceofsaiddiebody.
11.Theprogressivesequenceofdiesofclaim10whereinsaidopposingpostisrecessedbelowasurfaceofsaiddiebodytoadepthapproximatelyequaltothedepthsaidpunchpenetratesadesiredworkpiece.
12.Aprocessforformingacavitywithinaworkpiece,comprisingthestepsof:
penetratingsaidworkpiecewithapunchhavingafirstimpactsurfacedefiningtheperimeterofsaidcavitycomprisingapluralityofpiercingpoints;impactingsaidpiercedportionofsaidmetalworkpiecewithapunchhavinganessentiallyflatimpactsurfacesuchthatthedepthofsaidcavityisabout50%thedepthofpenetration;andrepeatingsaidpenetratingandimpactingstepsuntilacavityhavingadesireddepthisachieved.
13.Theprocessofclaim12includingsupplyinganindexingmeanstopositionsaidmetalworkpiece.
14.Theprocessofclaim13whereinsaidindexingmeanscomprisesapluralityofspacedsprocketholesrunningalongtheedgesofaworkpiececomprisingacontinuousstrip.
15.Theprocessofclaim12includingprovidingsaidfirstimpactsurfacewithapluralityofpyramidshapedstructures.
16.Theprocessofclaim12includingrepeatingsaidimpactingstepsuntilacavityhavingadepthinexcessofabout33%oftheoverallworkpiecethicknessisobtained.
17.Theprocessofclaim16includingrepeatingsaidimpactingstepsuntilacavityhavingadepthofabout50%oftheoverallworkpiecethicknessisobtained. |
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