THE CIVIL ENGINEER AND ARCHITECT'S JOURNAL. 



TMay, 



VENEER-JOINING MACHINE. 



PiKRRE Armand Le Comte de Fontainemoueau, of 4, South- 

 street, Finsbury, Middlesex, for '■'■certain iiii/iroretnmit.i in the mar 

 rliiiicri/ for cutting voiid, and in /ui/iii;/ anil uniting veneers." (A 

 foniniunication.) — Gninted May 2j, 18+7. 



Ilaviiii; in our last number (p. 115) described the machinery em- 

 ])loyed by tlie patentee in cuttinfr wood into veneers, we now i^ive 

 the reinainiiif; portion of the s|)eL'ification — namely, for "improve- 

 ments in apparatus for pasting and doubling veneers, and their 

 ap])lication to useful purposes, such as for hangings of apart- 

 ments, HiC." 



The application of sheets of veneers to several useful purposes, 



exhibits a longitudinal section drawn through the centre of the 

 apparatus. Similar letters of reference apply to the same parts. 

 It is easy to understand, by examining them, the general disposi- 

 tion of the machine and its manner of working. The linen cloth 

 a, which is to serve as a lining to the veneer, is previously rolled 

 over a cylinder or drum A, the axes of which are so adjusted that 

 they move freely in the grooves of the upper part of the cast-iron 

 supporters B. The sheet of veneer made by the cutting machine 

 which, as before stated, is of a great length, is also rolled over a 

 second cylinder C, the axes of which also move freely in their 

 forked supporters I). The sheet and the cloth are both at once 

 and together unrolled from the surface of the cylinders, and soon 

 meet beyond the glueing apparatus, which is placed at a short dis- 



Fig. 9. 



and especially to cabinet-making, is well known, but until now on 

 account of the processes for cutting wood into veneers having only 

 produced sheets of small dimensions, the manufacturer has been 

 very limited in their use and application, as he could not lay on or 

 cover large surfaces by a single and same sheet. 



This is obviated by means of the wood-cutting machine, de- 

 scribed in last month's Journal, for cutting logs into extremely thin 

 sheets, of an almost indefinite breadth, so that such new mode of 

 producing veneers naturally offers several easy and useful applica- 

 tions of those sheets, not only for veneering in general, but also 

 for hangings, floorings, carpeting, &c., which they can replace 

 with the greatest success. 



The usual veneer sheets, as obtained by the ordinary processes 

 of sawing, are directly glued when they are to be applied on the 

 woods which they are to cover. Instead of operating in that man- 

 ner with the large sheets cut by the process before described, and 

 to render them fit for the new applications to be made by this 

 process, it is intended by the new process to paste them on all 

 their width on canvas, thin cloth, or any other similar tissues 

 whatever; by that means those thin sheets obtain a very great sta- 

 bility, which permits afterwards to use them with the utmost 

 facility for veneering or covering every kind of surface, whatever 

 may be its width and surface. 



In order to put such improvements into execution, that is to 

 say, to lay glue perfectly well, all the surface of those large and 

 thin slices or sheets of wood upon the tissue or cloth in such a 

 manner that their superposition and adhesion should be complete, 

 firm, and permanent, the hereinafter described apparatus has been 

 found to answer in every respect. 



Fig. 8 is a general plan of the machine above alluded to; fig. 9 



tance from the cylinder C. That glueing apparatus consists of a 

 cylinder or brush E, which dives in a pan F, filled with paste pre- 

 viously heated in a balneum marce, or sand bath, by steam, by 

 means of a second pan G, which encloses it, or by any other suit- 

 able means. 



The cylinder E, receiving a continuous rotative movement, is 

 constantly impregnated with a certain quantity of paste or glue, 

 which it spreads "in abundant quantities over the surface of the 

 cloth or stuff, as this last passes over its circumference, and on 

 which it is forced bare by the pressure of a sort of right angular 

 ruler H, set directly above it, and which at both its extremities is 

 kept and led in grooves O O. That ruler H, could be replaced in 

 case of need either by a weight or springs, or any other suitable 

 contrivance. The veneering sheet passes only under the pasting 

 cylinder E, or rather, under the balneum miirie, and is directed by 

 a rod or long moveable roller I, purposely placed on the frame V, 

 towards the two large and strong cylinders J and J', between 

 which it must pass at the same time as the cloth, so that they may 

 he both sufficiently pressed together, and adhere to each other 

 uniformly in all their length and breadth. The cylinders are so 

 disposed that the necessary degree of pressure to ensure the com- 

 plete adhesion of the cloth and sheets is given at once. 



When egressing from these cylinders, the cloth and the veneer- 

 ing seem to to form but one single body like a very thin pasteboard, 

 but they are too wet to have a good solidity, wherefore it is neces- 

 sary to dry them with the same rapidity as the pasting and uniting 

 action has been affected by the pressing cylinders. For that pur- 

 pose, it has been considered that the most convenient and rational 

 means consisted in using steam, which is made to enter into some 

 hollow cylinders like those long used in paper-making machines. 



