US681417A - Column for interior cabinet-work. - Google Patents

Description

Patanted Aug. 27, I90I.

F. GOLDENBOGEN.

COLUMN FUR INTERIOR CABINET WORK.

(Application led Feb. 13, 1901.)

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UNTTED STATES vPATENT OFFICE.

FREDERICK GOLDENBOGN, OF CHICAGO, ILLINOIS, ASSIGNOR TO TH BRUNSWICK-BALKE-COLLENDER COMPANY, OF SAME PLACE.

COLUMN FOR INTERIOR CABINET-WORK.

SPECIFICATION forming part of Letters Patent No. 681,417, dated August 27, 1901.

Application tiled February 13, 1901. Serial No. 47,113. (No model.)

To all whom t may concern.-

Be it known that I, FREDERICK GOLDEN- BOGEN, of Chicago, Cook county, State of Illinois,haveinventedanew and usefullmprovement in Columns of Interior Cabinet-Work; and I do hereby declare that the following is a full, clear, and exact description of the same, reference being had to the accompanying drawings, forming part of this specification.

My invention relates to the art of interior cabinet-work or to such decorative woodwork as is usually done in fitting up bar-rooms, ofces, dac., and more especially to such portions of such work as comprise the architectural elements of columns.

Previous to my invention in the doing or manufacture of interior cabinet-work those parts of the woodwork comprising columns or column -like elements have been made either solid of some comparatively cheap (and soft) wood and then veneered to get beauty of appearance or they have been composed of a form made of pieces of thick common wood glued together and then veneered on the exterior surface. In many kinds of work the making thus of these parts of the whole design either solid or sometimes of centrallyhollow heavy forms of common wood, with the exterior veneered, these elements are not only costly of manufacture or production, but, furthermore, they are heavy, rendering the handling and transportation of the cabinet-Work laborious and costly, and the veneered surface affected partially by the shrinkage and warpage of the soft-wood cores or forms is very liable to soon crack or check, spoiling the appearance of the cabinet-Work, which may have been perfected with a high state of superficial nish.

My invention has for its object to produce the column-like members (or rather the body portions thereof) of all such artistic woodwork or cabinet-work in the forms of mere shells of wood formed of several thicknesses of veneers glued together in such manner that the completed members will not only be much lighter than those heretofore made, but will, while being equally as strong, have no liability to warp or shrink out of form nor to crack or check superficially; and to these main ends and objects my invention may be this specification and in which I have shown my said invention carried into effect precisely as I have so far extensively and successfully practiced it.

In practicing my invention so far I have applied it mainly in the manufacture or construction of bar-room or caf cabinet-worksuch as bars, back-bars, buets, dre-and in the drawings the elements or cabinet-work members which I have shown are such as I have used in this special line of interior Woodwork, though of course the novel features I have shown may under an infinite variety in the shapes and proportions of these parts be utilized in other branches of interior cabinet or artistic Woodwork.

In the drawings, Figure l shows in elevation a cylindricallyshaped hollow column provided with a base and a capital and made' according to my invention. Fig. 2 is an end View of the body or main tubular part of the column, showing its diametrically-arranged interior stay-board and illustrating the use of this device in the course of finishing up the column. Fig. 3 is a cross-section at the dotted line c cc of Fig. 1.

but drawn on an enlarged scale (about full size) to better show the several thin thick-` Fig. 4 is a partial horizontal section at the line :c a: of Fig. 1,-

In the several figures the same part will beA found always designated by the same character of reference.

A is the body portion, Z; the base-molding, and C the cap or neck molding, of the column member of some artistic design of back bar piece of cabinet-work. The part or member A, instead of being composed, as usual prior to my invention, of a solid piece of common wood having its exposed surface simply veneered with some expensive wood of beautiful appearance when finished up, is composed of several thin .layers of wood or of several veneers-in the case shown (see Fig. 4)'five in number--which are glued together in the formation of the shell or hollow body portion shown, the set forming the shell having their abutting edges forming a joint at the line c. (See Fig.3). All the layers except the outer one may be composed of comparatively cheap, but. sufliciently strong and durable, wood or woods, while only the outer layer or veneer 5 (see Fig. 4) need be composed of some more expensive and beautiful wood, destined to give the finished column device the desired appearance or esthetical effect.

In making the portion A of the column the following modus operandi has so far been practiced with perfect success: Having had made a wooden former or core of the proposed size and shape of the column to be produced, (except that it must have a diameter equal to that of the proposed column-body minus twice the thickness of the set or series of veneers to be used,) I first take the outer i together the five veneers (see Fig. 4) in their normal or fiat condition, except that no glue is applied to the exposed surface of veneer 1, the veneers being cut and put together so that while the grain of the wood of No. 5 runs in the direction of the length of the column-body A that of No. 1 runs transversely, that of No. 3 vertically, that of No. 2 transversely, and that of No. l vertically, in order that the grains of the several layers of wood will cross each other, whereby the united sesies forms awooden mass which will not be liable to warp, split, or check, which is a matter of great importance. Preferably while this operation of putting together the glue-coated veneers is being performed the wooden core or former is heated in a steamheating box supplied with inclosed pipes in such a manner as to effectuate a thorough heating of said core to a pretty-high temperature necessary to produce good results, and at the same time, and preferably in the same heater, a sheetmetal Vcaul is thoroughly warmed up to a pretty good temperature, for a purpose to be presently explained. It is necessary to thoroughly grease the exterior peripheral surfaceof the wooden core and also the inner surface of the sheet-metal caul or binder to prevent the adherence to them,respectively, of the inner and outer surfaces of the set of veneers, (l to 5, inclusive,) and after the removal of the -core and caul from the heater and while both are hot the workman or operative, with the assistance of a helper, properly .bends and places around about the hot former the mass of united layers of wood, at the same time wrapping around the mass of veneers the sheet-metal heated caul or binder until its meeting edges, which, as usual, are provided with edge strips adapted to be clamped together, nearly contact, when they are fastened together with handscrew clamping devices. The aggregated plies of veneering, as before remarked, having been cut big enough to slightly more than equal the circumference of the core, their meeting edges do not form the butt-joint, (seen at c, Fig. 3,) but come together, and being sharply bent outwardly project in a radial direction slightly beyond the periphery of the core. Great care must be exercised in placing the mass of veneers around and clamping them, with the hot caul, onto the hot core to avoid any twisting or misplacement of the layers, which will spoil the job, and at the same time care must be taken to get the aggregated layers of wood arranged to perfectly and tightly envelop the core. The core thus embraced by the secnrely-clamped-on set of veneers is then put one side over night for the glue joints to harden. The glue joints or the unions between the several Veneers will not, it is found, completely harden in this time; but being sufficiently set for the purpose the operation of making the buttvjoint at c is thus proceeded with, and the body portion A of the column is perfected or finished, as follows: The nearly-contacting bent-out meeting edges of the veneers are carefully cut or trimmed down and bent into position until they will just meet around the core to form a perfect butt-joint. Then the stay-board or diametric brace E is placed within the hollow mass (after the removal of the core) and the meeting ends or edges of the mass of veneers all securely glued thereto. In effectuating this union of the meeting edges of the veneers, however, with the diametric stay-board E one edge of the veneers is first glued to the adjacent edge of said board, and the united parts being clamped together with hand-screw clamps the joint is allowed to thoroughly harden. Then the other edge is glued to the said stay-board edge, and the united parts are this time Securely clamped together by encircling bands, arranged at suitable distances apart, that are tightened up around about the hollow column-body and its internal stay E, so as to in- IOO IIO

sure the completion of a perfect butt-joint, as seen at c in the drawings. The stay-board E, it must be understood, is gotten out to exactly correspond in width to the internal diameter of the hollow column-body A and with its longer opposite edges turned olf ina lathe to match to the curvature in cross-section of the bore of the part A, as shown. After the work shall have progressed, as just above explained, and when all the glued unions shall have perfectly hardened the column may be put into a lathe on the center-points e, (see Fig. 2,) on which the stay-board E was centered when its edges were turned olf and its ends trued up or turned off to exactly the desired ultimate length of the body A, the exterior surface of A sandpapered or otherwise finished up as may be desired, and each end of the diametrically-arran ged stay-board turned off at the localities t' (see Fig. 2) to make said board shorter than the tubular veneer part A for a purpose to be presently explained. After this the middle end portions of said board,(used for centering the work in the lathe) may be cut down or o to permit the uniting of the column-body A with the base and neck moldings b and C in the following manner: In the under side or lower surface of the molding or cap C and in the top surface of the base-molding b are turned circular grooves m (see Fig. 5) of exactly the right size to receive or accommodate within them the ends of the tubular veneer-formed body A and of sufficient depth to take in the ends of said tubular part A to an extent sufficient for the purpose of effectuating a secure glued union of the parts. Of course any desired sort or pattern of fancy capital and base are designed to be applied, respectively, over the part C and beneath the part b in the usual manner.

I have shown and described only so much of a given pattern of woodwork as appears to be necessary for the purpose of illustrating my invention. Of course the 'modus operandi I have specied may be varied and the work done somewhat differently without departing from my invention, which in practice so far I have carried into effect in the manner explained.

I have found by a thorough test of my invention during a comparatively long period of time that not only are the column-bodies A and the whole cabinet structure of which they form part stronger, while at the same time much lighter than any heretofore-devised cabinet-work known to me, but, furthermore, which is of greater moment, my improved hollow column-bod y portions of the work will not warp, crack, or check, as do columns otherwise made. Thus made the shell A will be vastly more enduring in its original perfect condition than it is possible to have a column made of either a solid or of a hollow but very thick body of common (soft) wood simply veneered to get the requisite superficial beauty of appearance.

As before remarked, all the layers or veneers except the exterior one 5 (see Fig. 7) may be made of comparatively cheap wood or woods of suitable quality, while the outer layer 5 is a veneer of such finer wood as will match or harmonize with the other wooden surfaces of the finished structure and lend to the latter the desired estheticaleffect.

If found expedient, the series of veneers may be combined successively so that their several meeting edges will break j oints-that is, so that the several layers will meet at various points or lines in the circumference of the shell instead of all meeting at the line e, as shown. Of course under circumstances rendering it desirable or expedient either a less or a greater number of veneers than I have shown may be used to produce the body portion A of a given size, and in the judgment of the skilled workman the thickness of the veneer-pieces may be varied or the inner four thicknesses (of culls) may each be thicker than the outer veneer 5 of ne wood.

Having now so fully explained my invention that those skilled in the art of cabinetwork can practice the same either in part or in whole and either under the precise methods of ,doing the Work I have described or under some other practical mode of procedure,

Vhat I claim as new, and desire to secure by Letters Patent, is-

As an improved product, a hollow column for cabinet-work, composed of a series of united veneers comprising the body portion; and a diametrically, interiorly, arranged stayboard; these parts being united and combined substantially as hereinbefore set forth.

In witness whereof I have hereunto set my hand this 9th day of February, 1901.

FREDERICK GOLDENBOGEN.

In presence of- FRED. J. LoUvE, WM. M. GJERDE.

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