Note: Descriptions are shown in the official language in which they were submitted.
2009893
~IT~E
~o~ponon~ of ~ multilay~r, ~ materi~l con~r~tion,
1n part1cular for m~or veh101~o.
D~SOR~PTI~N
~he invent10n relate~ to a co~r,ponGnt of a m~l~tlaYnr
~lat mat~r1~1 Gons~ructiot~ par~1~çular ~or ~otor
vohl~l~s, wh~reby a num~r of Pr~fq~ms o~ flat ma~ori-
~l, of wh1ch at l~a~t on~ of the pref~or~3 wh1ch forms
a~ o~ld~ f~ce o~ the component ~ ~f sheet ~e~al, ~e
p~r~o~ly jo1n~d ~o ono anoth~r by ~ 'least on~ ~yp~ of
o~nt element wh1ch h~ n: p~du~od in an extr~ls~on
or pr~ss~r~Jo1nt pr~ s.~ ferent technl~o~ are
lroady kn~wn f4~ "~o~ct" ,~otn~ng pr~rms cf a f~at
m~teria1, c~.g o~ ~tat :6~:et~1 w1thou~ tne a~dition
1 :b~nd ~ n~ n~
n~ o~ ~h~ a techh~q-~os l~ pr~sur~o~n~n~, J,S d~s-
crtbed 1n 'Ghe ltmlted pub~le~ n o1' t;h~ ~rad~ ,~ournal
tahl und ~ls~n",: ~pr~l 19a6, No. 8. ~he 6upe~p~sed
ehee~: m~t~l parts ~r~ h~r~by in~e~ml-ttently punotur~d
at t~ ~oints ~y ~ ~oo~ cons;s~l~g ~f a d1e and cut-
t~n3-~xpan~1ng die-plat~ ~1n such 2 w~y tha~ ln ~a~h
3S~ g~m2~ hg~.r~ rom ~ she~t
o~a1~n i~ lon~ s pr~ss~d out.o~ its level ~n~
: c;ompr~ss~d f~at immed1ately be10w th~s. Th~ ~heet m~
stri,~ ~hlch ha~e ~b~n th~ared o~ a~ 5~il'l cc:nnected
o~the~ ~hQo~ me~at ~ their end~. Th~ compr~ss;~-~ 6et-
t;ng ~o:f~:the~ex:~ru:d~d tr!~terlal b~low the me~l Gh~s is~
d~ 1 Yo~ P~r~ r tl~ tr~ h o~ t~le joi nt
elemen~
Only~tw~-S~)P~PO:S~ a~ p~rt~ (~h~t~ can be c~-
200989;~
- 2 ~
nec~e~ by m~ans ~f t:hl~ ~xt~rusion or preSsur~ o1ntlng
t,~chn Iq~e at any one t~me.
,
In th~ meantime, a p~n~ra~ton-Join1ng teohn1que 7S
kno~n ~rom the ~ M (~erman U~-lity Modsl ~ ~ 3~ .7
w1th whl~h mor~s than two superpos~ ~lat p~rts, o~
wh~h the 1~t~rnal layers can also h~ o~ ~ mater~al
~her khan sh~ m~al, ~.an b3 Jo1n~d ~osesh~r~
With this t~chnique, all s~perp~sed~ interconne~te~
pre~orn~ kh~ c~rnpon~n~ ~sptay 1OCA11Y co;nci~n~al
dr111 ho~qs a~ the poin~s o~ connec~o~, th3 dr~l1
holes o~ 3.n external pre~orrn ar~ ~m~ r t'nan tha ~ri 11
5 o~ ~h~ r~n~in1n~ pre~orms. On the prefornl~ with
the ~m~ r ~Ir ~ l l holes th~ ~dges aro~nd ~ha dr7 11
holes are pre~ssed o~ th~ 1eve1 ol~ this~ Pre~orrr
~hrou~l~ ths dr; 77 holes of ths oth~r preforms ~Y
dlan~ r ld~nt~G~l wlth ~ho d~an~eters of the corr~-
~ondlng drill: h41es ~h ~h~ other prQ~ m~ 80 that
'ch~y f~rln c~11ar-1 Iko n~ck~ whi~h protrude vertica11y
h~ the B~rf ~cg o~ thos~ pré~Orrn~ . The ~xternal ~d~
o~ th~s~ t1~r-11ka neoks ~ra ~h~n oxterna~1Y ~lan~d
o tha'c 'chey ~v~rlap ~r :th~ ~d~ the dr~ 11 holes
n th~ c)ther pr~form~ and are pr~sse~ mly ~galns~
: ~no ~n~h~r,
: thl$ p~ t~t1an-~oining ~echni~a ha~, comparod ~o ~ho
~ oinlng t~c~n~ d~r1bed ~reYto~y, the ~dv~ntage
3~ hat mor~ than ~o layer~ C~n ~ io~n~d to er/e anoth~r
wtth ~h1S metho~ aw~vert thts a~v~nta~ ls ~ountel-
b~ rlcecl by th~ disadvantage that more op~r~tions are
requl r~d h~r~, n~m~ly 1st the productlon oP tha p~n~-
. tr~tions ~nd Zr~d th~ ~xtru51~n ~ tho ~4 ar~ aro~Jn~
th~ s.n ~ r. 1~o1 ~s ~ the ~x'cernal components t~rough
th~ cc~rr~pond i n5 1 ar~er ho1 B~ o~ ~ho oth~r comp~n~ntq
and ~7angSn~ o4 the protrud;ng etg~.
uch Jc~ntn~ techn~ue~ have bsc~ma mor0 lmp~rtant 1n
~7~ ~ ~
' ' ' :. ' ' ' . ' . ' . ' ' ' . . ' . ' ' . ' '. ' '
200?~9~
~ 3 ~
rec~h~ y.~ars ~au- e o~ th~ one hand th~y do not s~
~c~ the Jo1ned compon~nt~ t~ th~rmell 10ads. l'h1~
a~ ds m~r~a1 sSr~sses ~nd ha~ no ~ /a in~luen~e
on tha corr~sion prop~rt~ Furth~rmore, th~y a~o
h~v~ tha ~re~ 4~1vanta~e, f~r axarnp~ c~ r~ to alec-
tr1c~1 re3~stan~e spot weldtn~, that a numb~r o~ ~on-
nections ~ joint~) c~n be pra~e~ ln ona t~l stroka -
or t~o op~rati.on~.
rh~ 1 n~ent, i on i ~ b~sed on th6~ c~ ~ cles i gn i ~g the
connecttn~ ~lemenk~, wh1ch have ~n m~nu~ Jr~cl by
w~y of jo~nlng techniques, 1n o~nlpon~n~G~ o~ th~ typ~
dol~n~d ~ the ~e~nnln~ ln ~uah a way that wh; 1~ th~
a~v~tages of ~h~s t~chnique ar~ ed, the d~*~d-
v~nta~e~ ~ the d1f~erent ,~nt ~lem~nts ~ecorne tnef-
r~c~ 8 a~ far ~o po~s1b1e. If necessary, moro th~n ~wo
s~Jp~rposed pr~f4rm~ of a ~la~ material sh~u1d al~o
~bl ~ t~ ç~nnect~d ~ ~ne Ane~h~r 1 n c~n~ too1 ~trok~,
wher4by at 1~a~t one pr4~0rrn can ~e c~P a flat mater1al
o ~h~ r than shzet Ine~t~ ~,
,
oh,~c~ $l3t 1S 8~1v~d ac~ordtng to tha 1nven~or~ in
~h~t tl~e~ jo~ ont,s d1~pl~y ~h~ ch~racterl~1ng
clau~e o~ claim 1,
Impr~V~m~rlt~ and a1t~rnative salutions ar~ evident from
c1a1ms 2 througt~ ~,
,. . .
Th~ Y~ on ~ill b~ descri~ed ~n detail ~n ths fo~-
lowi n~ w;~h re1'erein~ ho draw1ng wh1ch repr6~2nt8
the ih~eht1on ~y w~y o~ ~Ainplc~.
:: F1~. 1 shews a ~ iS-59Ct~ll thro~ h ~ ~c~l~n o~ ~
cO~p~n~n~. Tl is çons~ts o~ two pre~orn~ o~ 6hee~
:: rneka~, wh~h ~r~ perf~ctly jo~ned ~o o~e ~nother
hr~h diffsr~n'G t~fpes G1' ~oint elements, n~me1y a
pc~ p~nG~træ~ti~n~ n~ hl~mf~ln~ 3 ~ng ~ ~Y~ g~ ~n
,::,
I` ~ .
_ 4 ~
ts~l~ more w~ known pres3ura-ioir-t element ~.
. .
~he p~n~tral:;on-J~;nt ~l~ments 3 ~aoh c~nstst of t~
~u,c~rposed, opp~s1t~ ed~e~ o~ Pl sq~Jare ~reach, 31,
form~ by an H-shap~d cuttin~ p~n~h wh~ch ,oasses
thro~l~h bot h preform~ , w~ th f l ange~ od~-3s ~, 3
pr~sed on~ ~n external eur~ace o~ the con ponen~,
which ~re ~orn~ed by ~n~tn~ the mat~r~al socttons whi~h
hav~ be~n pa~lY ~p~r A~ed with the H-~hap~ incision
of the pr~form3
Th~ pr~ss-~r~ c.~nt a~amantS 4 ~a~h eons16t o~ ~ ~h~r~
str~p 41 ~ sl,iPQ~po~ed arsas o~ b~h p~ rmi~ 1, 2
~ht ch ar3 extr~ th~o~ h the sur~acqQ of tha prs~crms
a~d are anchor0d ~ ~h~ ~ear ~h~ou~h a wid~ ~ompr~sston
t ~ 2 ~ ~
F~, 2 shaw~ tl~ sam~ &~}Ct~Otl ~f ~he compohon~ pr~m
above .
The~e two ~:Yp0~ o~ ~1n~-~1emen~ h~v~ khs ~r~a~ advan-
'c~g~ ~chaS ~h~y c~n both b~ p~duced ln onty on~ tool
s~roh~, ~he~ r com~1n~ion 1 n on~ ~ntp~nent h~ ~hO
a,~vant,age ~h~t thelr p4~1t~ve work1n~ ~h~ract~rist;cs
complement ~ noth~r and tha n~g~tiv~ work~ns charae-
tor1s~c~ are w~k~ d: the pqnstrat1On jotnt~ nts 3
h~ve ~he ~dvantage ~chat th~y ha~o ~ v~ry h~h ~n~t4
s~f~n~h vertical ~ th0 connect~ol- p~ne and comp~n-
e the w~kn~es ln thi s res~oc~ o~ tha pressurejo~nt-ele~ont~ 4.
On th~ ~her hand 1 th~ di sadv~n~a~es o~ th~ p~n~tration
~,~
n~ nts 3, n~mely tha~ th~y r~ca tha ~Xu~al
&l;r~ng~h o~ 'che c~nponer~t ~n ~h~lr vlo~nlty, c~n be cut
ck to 2~ m~n1mum ~hroug~l a oom~lnat10n w~h pressure
nt-el~men'cs 4, It ~s le~t up t~s tha con~p~n~r~t en-
gine~r~ t,o d~ wh6re tn~ p~netratlon ~o1n~-elem~n~
'"~ ~ . ' . ' ' . ' ' " ; . ' . . ' ' ~ ' ' . . ' . ' . ' . ' ' "
2()~3989^3
a.,cord in~ ~o c1~im 1 ar~ t~ mpl~y~ on tha compo-
nl~nt, ~n~ where the known pres~ure joint-~lem~ s 4 can
be u~od.
F l~. 3 ~ho~ ~ oros~-~e~t~ion through ~ sec~ion Of a
component cons~st1ng of tihree fl~ materlal pro~orrn~,
F~s. 4 ahows th~ ~e~t,ton ~) o~ ~19. 3 frc~m ~b~y~,
In th~s ~ Gd~ent the th~ee p~f~rm~ ~l 6, 7 ~re p~r-
~t1y ~oin~d to ~e ~not~?er by ~ typo o1' p~n~t.r~t,ion
~o1r,t~1elllent ~3 whlch ~ ~n itscl~ known, )1~re. a11 ~h~
pr~Porms 6, ~, 7 e~ch hav~ locally ~o~ncl~ntal pen~-
~rat ~ ~n~ l n ~ho shap~ of ro~nd hol es S 1, 6 11 7 1 1 n the
~rea v~ ~h~ pene~ra~ jotnt-~le~nent ~. The hol~s ~1
~t' ~n ext~n~l pref~rm ~ sheet nle~Al ~r~ ~mal 1er than
tha corrasp4ndtn~ h~1e~ ~1, 71 ln ~h~ two ~th~r pr~-
f~rm~ ~,. 7. Iha edg~ ~reas ~round th~ sfflall~r h~le 51
o~ th~ ~x~ern~l prsf~r~n 5 a~ pr~ss~d o~t ot ~he ~tane
ot the pre~orm ~ thrau~h tha holes ~1 and 71 of th~
o~her two pr~ rn~ ~, 7 s~ that t:hey fot^~ a ao'l `1 Q.r B2
Yh1ch pr~tr~* ~hro~J~11 the ho~es 71 o~ tho ~her ex-
ter~al pro~rm 7 J.n~ wh70h t~ ~xt.ern~tly f'lang~. Tha
t~r~ pref4rms $, ~, 1 ar~ ~h~J~ pro~s~d f 1 r rlll y togsth~r
and ar~ ~perfoct~y ~ ne~,
Althoush ~hiJ tyP4 oP ~lnt~ ment 8 has the d1sadvan-
tag~: that tt car~ m~nu~ctur~ w~h onty on~ tool
strok~, as was tl~ ase wtth ~h~ ~h~r two 'cypes o~
Jo1nt ~tement 3, ~ as d~5crib~d abovs, th~ pr~orm
conn~ct10n~ m~d~ ;n th~s mar~nar ar~ very st~bl~, nGt
onlY w1th r~spec~ ~o a ~ertica7 t~ns~le lo~d or~ ~h~
onnect~on p~ne, but ~1so w~th re~p~ot to ~r~tY.
The~a pen~tr~tl~n jo;nl:-ralem~nts 8 accordin~ to ~1A~m a
F~g. ~ a.nd 4~ al~o ha~e the ad~ar~a~ d~
i, .. ~; .. ;.,, . .. . .. - -. .. ` , , i . ,~ .. . .. , ~ . . . . ..
20~9893
p~ne~ra~on J~lnt-el~mer~ts 3 a~Cord~tlg t~ cla~im 1 ~f1g~
~ n~ that, mor~ ~h~n two prQ~arms can be ~oi n~d
together, of ~h~ch only on~ pr~forrn must be ~ flctlle
sh~t n~q~ least ~ne o~ the other pr~orm~ ca~
o~ a d-~ferent mater;al ~hlch cannot bo co1d-formed and
~hlch h~s vibration-a~s~l b~ng. ~chermal1y ~nsulatlng p,nd
pun¢ture~pr~ proper~les.
`'' ~ :
