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`CHEMUPCAL-ETCHER BIE HAVING|
`SGISTRATHON MEANS
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`APPROVED
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` oo.isbonal Patent Application No. GL/S72,672 Aled July 15,
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`ahd.
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` GROUNDOF THEEN
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`y
`3
`‘Fhis imvertionrelates io a chemical-otched die of the kind to be used in combination wit
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`aie. roller) sprees fo produce dis cul shapes fromm a sheet material, The die has a cutting odse
`Ss
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`by the user in alignment with @ pattern that is printed on the
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` shapes are
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`to be cut
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`
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`Thea have long been used by educators, marketing professionals, and those in the arts and
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`crafis industry to produce a wide varietyofshapes and designe that are cut fom sheet musterial in
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`response fo a force that is generated hy a dic press and applied to the dies to push cutting edges
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`ii.e., Mades} ai the dios through the sheel material. Referesce can be made ta UU,
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`, Design
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`Fafont Nos, DOO7,910 and D3S3.081 for examples of hand-operated and motorizedrofler press
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`machines which are adapted ia accept one or more dies to cat through sheet material,
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`mt Applosiion ELE
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`shaw
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`i
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`fHO03] In some cases, a particular patieto be die oni is printed on the shect material, The user
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`typically inies to alien the cutting blade af the die with the printed patfern on the sheet material,
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`pee precise shape cor
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`he orn
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`“ut
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`from the material. However, of the
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`Rae=
`iogether threugh the preas, :
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`user Oammol see the cutting blade or knowHs exact ipcation on the dic, the dic may neat be
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`wt
`properly registered with the printed paiiern. Consequently,
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`the die cul shape may not be as
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`precise as inferded,
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`i#GG4] Reference can be made to LT
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`SN. Patent No. 7,054,427 for an example of a chernecal-
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`etched die thal may be sulvect te the registration problem described above when the dic is lanl
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`over a sheet material and run through a press.
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`Th
`SUMMARY OF THE
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`fOOGS) A chemical-ctched die is disclosed to cut out shapes froma sheet of material when the hie
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`through a fee, roller} press, The dic includes a flat
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`ws edge (0, blade} projects from the outside horder to h the die. The cutting edge is pushed through the sheet
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`¢ tt bee 166 ms Zof IS
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`o
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`oe
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`oea
`repanya we,ms%S SinBeeG ae2pestmS orsor)pele-h defines the shane to be ont
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`material im reaponse ig 4 compressive force generated bythe die press and ayplied ta the dic. Aa
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`an wnportant feature, the cutting edge surrounds the Inside opening of the die such that none of
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`the ouiside border Hes between the cutting edge and the inside opening. That is fa say, the
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`cutting cdyc Hee exactly at the periphery ofthe inside opening through the die so as fe provigsely
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`define the shape io be cul from the sheet material, To stabilixe the die against twisting and
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`
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`Stes
`ms stein Paneytae is
`tha dle wrece
`faces aeneswaieed Ru:
`tha
`eaiantorc ta
`in
`sits
`i
`beunewteney
`changing its shape when sulvected to the force generated by the die nress, the cutsnie border is
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`Lenat FQ pay
`wrists
`ssergneet wath a
`provided with a width of at least 2.3 mim.
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`>
`HOG] By locating the culling edge exac
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`at the periphery af the inside opening, the user wil]
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`know the inestion of the cutting edge when the We is turned upside down and laid against the
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`sheel maternal, Ry virtue of the foregoing, the aser will be ableto accuratelyre
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`edge of the dic with a pattern that is printed vi from: the sheet et ite intended incation corre
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`thereat.
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`DESCRIPTIONOF THE BRAWINGS
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`ROBOT] FIG. Lis a ton view showing ane esample of a chemical-etched die having the improved
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`registration means of the present invention:
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`IDOORT FIG. 2 ia a bottam perapective viewaf located af the periphery of an inside opening throagh the
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`ny weeioefad% ad= whwea
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`prveniian
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`pecan,oeoe ce ews
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`"4 panelae fad
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`hee a$ a crass-section of the die taven along Hines 3-3 af FIG. 2:
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`> af the die taken fram FRG. 3:
`HO) PEG. 4 is an enlarged detail of the cutt:
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`
`
`
`na
`4,
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`
`
`ee,Saooe,et nee
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`ceed
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`Tanne
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`x
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`rept
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`aaaoo w DF fa3 ae wh
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`4
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`oe
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`thaw topoevapa ee
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`otPoon <b = a
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`ory te > texbne net ne oD $e mew
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`$
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`h me
`siched dic havmgthe improved registration
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`MOPS) FICh 6 is a top perspective viewof the die shown in FIC) S having a cutting edgelocated
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`at the periphery of an inside opening through the die in achieve the advantages ofthis iyvention;
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`{G013} FIG. 7 is a cross-section of the dic taken along Hines 7-7 of FIG. 8:
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`fO014] FIG. § shows the dic of FIG.
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`| being moved towards a sheet material so thai the oniting
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`ely registered with s shape tc be cut from the sheet material and
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`oak
`[HHS] PIG. 0 shows a set of chemical-otched dies Uke that shown In FIG. 1 being nested one
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` 1&6] Referring initially te FiGs.
`¥
`¥
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`drawin
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`gs, (a oxamples are shown of
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`chemical-ciched dies i aud 3 to be used in combination with a die press fe,&@, a roller press} in
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`order that shapes can be cul out ofa suitable sheet material made frompaper, plastic, thin meia
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`or fic Hike (best shown iFIG. 8}. The dics | and 3 are preferably mamefactered from flat steet
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`thai is treated bya conventional chemical etching process, The shapes of the dies | and 3 Gwhich
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`=
`correspond iG ihe Shapes ig be eat irom the sheet material) can wary among different destans,
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`aymbols, letters, numbers, ete. ia sult the needa of the user. In the examples of FiGs.
`ie%
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`Vand S, the
`peed,
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`$
`chemical-etched dic 1 has the shape of a square or window, and the chemical-ctched die 3 has
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`Dats
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`fentaiSDatest Agphiostion S0- P28 dos
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`“A
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`
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`e shane of a flower, Heewever, the precise shape af the cies 1 and 3 is not to be considered aaa
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`KaastpeeweBae oetae foeeteaeare opee,
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`rt
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`ped = nee wa xg
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`a
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`ne Por. ~cAmm om
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`iBOLTE Eac
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`autsuie border 5 thet surrounds an
` inside of
`cab framthe sheet materia! matches the
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`shape (e.g. a suiare or a Hower} of the mside opening 7 throngh the die lor 3. Asis best shown
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`in FiGs. 2-4, 6 and 7, a thin cutting edge
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`9 proiects outwardly from the top ofthe outside border
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`§ of each dic 1 and 3 around the insiie opening 7 thereof The cutting edge 9 provides a blade
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`that is capable of cutting throughthe sheet material in response to a compreasive fires generated
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`by the press info whichthe slic is mmsfalled.
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`iQG18) In accordance with an important feature of the present invention, the culfing edge & at
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`3 is located at the imterface of the outanle border S with the mside opening 7. As
`each die band |
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` is best shown in Fis. 4 and
`e 8 surrounds the inside opening 7 such that ne
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`ofthe outside border 3 extends imwardly past the culting edge 9 and none of the outside border 5
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`hes bebween the cating edge 9 and the inside openingee
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`.
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`in other words, the cutting oxdge
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`oS
` operiig fo he cat fram {
`shape represemicd by the inside
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`10019} Bocause the ontaide border 5 of the dies 1 and 3 live entirely to oneside
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`fetes, es 4 ‘h
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`wh neene o> oo & ca] oetaett ee
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`af the culting adge &, the outside border 5 mast have a sufficient width (designated W in!
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`oS
`S
`and 3} te prevent the die from twisting and change its shape when subjected to a compressive
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`mowhich the dic is ased. Phat is to say, the sires (he, widthi of
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`force generated by the die pres:
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`CADaa i Appliostion BLL-i2S<hoe
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`tA
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`eon
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`it aH sides of the die Lar 3S willbeb
`iiced and maintain shap
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`he outside border is chasen se th
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`sightitty as the die moves through the press belowthe force-generating means thercef.
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`side boarder S whi 118 preferable that the Fofdies | ard 3 be at losst 2.5 rmse thet the angmal shape of the dies
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`q
`pressure in order to ensure thal correspondingly accurate shapes are cal from the sheet material.
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`The width Wof the outside border | Increases as the size af the die Increases,
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` {G20 By virtue oflocating the cutting edge 9
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`mside opening 7, the user will knowthe location of the cutting odge 9 when the die is laying on
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`want gh
`ae} thr wah ti = oheet
`fy
`the get meteoriat and the "Ett gx eee ga
`ine SteGl material ar) The cutis Gaee is Loree
`CHERA Che eheet material
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`sf
`fo ont
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`a
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`shane
`BYLaye
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`therefromas the die and sheet material move together through the press. Referring in this regard
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`respect ia Hs position sherwn in F:
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`nape, the dic (c.g., L) is turned
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`tne outside barder 3 and which new facea the sheet material 3S will be invisible fo the user.
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`Since the location of the cutting edge 9 follows exacihy ch42 perigbery of the inside opening 7
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`through the die which at all limes remains visible to the user, the location ofthe cutting edge 9
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`fSawhen the user wishes fa
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`clasely abgn or register the cutting edge 9 af the die | or 3 sith a pattern that is printed on the
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` in Uus same regard, some conventional dies haveacutting odge
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`hick lies ona border that rans aroundan cueni
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`extends fo apposite sides
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`ge is spaced outwardly and awayfromthe apsning. In this
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`case, the user is leh io guess the location ofthe emiting edge when the conventional dic is turned
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`ares
`gpside downso thai the catinged
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`thereof faces the sheet material and is invistble to the user.
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`NS mega
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`ct cet
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`mepyee
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`Consequently, printed on the
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`than those which are ifencded,
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`f022) Turing nese to FRG. 8 of the drawings,
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`there ia shorn a set of kdentical chamical-etchad
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`dies 12, 14, 16, 18 and 20 having sueceasively smaller sizes so ag to be capable of being nested
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`one within the other. Each die (e.g, 20) of the set of dies of FG. 9 bas a square or rectangular
`y
`However, the shane of die 20
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`and the remaimimg nested dics 12, 14, 16 and 18 is fe se of oxanipie only, and the die
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`configuration shyaiar tio the configuration of the die
`as
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`ty
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`> have any other suitable shap6
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`. 20) has a flat outside border 30, an insite
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`apermng 32 around which the outside border 30 extends, and an outwardly presecting cutting
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`eige 34 which Hes af the interface of the outeide border
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`30 with the inside opening 32 im the
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`agine Manner as was previously described whenreferring ia FIGs, 14.
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`e shown in FIC) 9 being sngced ed dice can be formed by
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`yy O heme cmasac
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`ri
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`Pe}
`mease ofa conventional chemical etching process. However, all of the dies can he conveniently
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`x
`aside andia separated frama preceding die,
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