US1846881A - Corner construction and method of making the same - Google Patents

Description

Feb. 23, 1932.

CORNER CONSTRUCTION AND METHOD OF MAKING THE SAME Filed March '27, 1929 pozyj walls 73:,

Kay/14W? M plurality of-layers of' plywood 32. The V'- shaped groove 83 is also provided in'substan-A renden the lsaine strong and smooth..v

The fabric interposed between body portion and layers of metal compensates for the' different rates of -expansionand contraction of the wood and metal and consequently, in ade dition to facilitating the forming operation, prevents the imposition-of .unusual strains Referring now to Figures and 4, the panel construction utilized in practicing the method `is substantiallylthe same asl thatl shown in Figure l being provided withan vout-eri metallic veneer 30,` a fabric layer 31 and a tially the same manner as that heretofore' ,referred to'.- Thev method variesfrom that heretofore described in that the fabric@ layer 34 upon the inner surface of thepanelismade continuous throughout extending 4rinto ,the groove as indicated at 85, glue, of course, Vbeing interposed between theadj acent surfaces ofthe laminations of the' plywood andV the Yfabric sheet. The'inner :Veneer 43G lis also Yformed in 'a Vcontimunis layer with vaf trough .3K pre-formed therein, vthe veneer 3,6 with ,the trough ivtherein, being laid upon the fabric Ysheet 34 and gluev1 interposed between these members. .The kpanel in this conditionjis.

now ready for bending whichaccomplished by suitable machinery of any.. well-known type resulting inthe cut-'out or groove 35. be,-k ing closed r` and the portionsfof Uthe veneer 36 i andl fabric 3,4t incorpo-rated Awithinl the groove, as best shown in Figure 4./ Solder is then applied alongv theadj acentlinner surfaces .of` the inner veneer to sea-l.t'hefjoini'1V and As shownin Figure @the article comprises the angular walls 38 and 39 having thejouter continuouslayer 40 of sheetmetal, and the interposed continuous layer ,of fabric zindicated at 41.` The body portionofeachof the walls 38 and BQ-atthecorneris providedwitlh A the recess 42' PrOvidedby the cutout por tion 33, andin the recess are disposed the continuous loops 43 and 44 yof"the`f a']{ )1`-'i cand Ufer Veneer respeetivery; lTh'e' soldered jOintis indicated atf45.

Vith respect to both ,of the above-;de-l Vscribed "constructions, it will Ybe understood that 'they lmay be used in any `situation .re-

merelyillustrative and I contemplate all lchanges and modifications that come Within the scope of the claims appended hereto.

^ I claim :-V

1. A process of making acorner construction c from a member having a., brous body portion and an exposed metalldveneer per-v manently bonded thereto, there being a fabric layer 'interposed between said veneer and body portion, consisting cuttinglout;V the fibrous portion to fornita groove therein, cutting `the veneer on a line parallel to the v,f groove,folding'the adjacent edge portions of the Yeneerginto the groove, bending the body portion toclose the cut-out and incorporate the. folded edge portions'- of. themetallic veneer and'fabricv within tlie'cutfont', and apifilying solder to thejcrevice provided by fhefoided"edgepoaiossjincoiperated.Swahlic `s fenee'r permanently v bonded thereto, each veneer j'having' an angular extension extend- ,ingfinto the `body portionand accommodated 2.7 corner constructnaeig f; YdSPOSeClWall portionsleach haring a meta within a cut-out inthe latter and 'a bonding material closing lthe crevi'cdformedlby the meeting edges o'fQsald extensions," '2- 1 `3.111 a cornerjconstruction, thegcombination with angular'ly 'disposed VwallsV including a y bodypo-rtionhaving a cut-.01,115` and provided with a continuous 'exteri'ofrj` metallic vneer.; there bes'a abf'l-y'r DGITPSed ybetween Vsaid veneer, and said `body portion,

the innersurfaces of said body portion hav'- portio'n and meeting fat Y the ledges formed by said angular portions 'the' re being a fabricv .105.- layer interposedpbetween the .sheet metall' and angular portions `'and the 'inner surfaces'of said body portion, and solder flowed `along ing edges together,`

In Witness that the said meeting edgesandjoining meet'- GeOReeflfLEWIS:

j quired and' as many of such constructions Y Vmay befemployed as desired. The' arrangeployed,

' a,constri1ction.might'be useful. y

l ".W'hile I have herein shown and described f '.wh-atflfnow considerthe preferred manner clef carrying 'tout my inventiom'jthe same is `.V,`.100Y ing sheet metal; secured thereto,f sa1 dfsheet" metalbeing provided angular portions incorporated withinthe cutfout of' the body i Re

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