US1165421A - Making spouts. - Google Patents

Description

.l. KOENIG.

MAKING SPOUTS.

APPLICATION FILED APR. 5. 1915.

1 ,1 65 ,42 1 Patented Dec. 28, 1915.

. JOSEPH KOENIG, OF TWO RIVERS, WISCONSIN.

"MAKING SPOUTS.

Specification of Letters Patent.

Patented Dec. 28, 1915.

Application filed April 5, 1915. Serial No. 19,324.

To all whom it may concern:

Be it known that I, JOSEPH ,KoENIo, a citizen of the United States, and resident of Two Rivers, in the county of Manitowoc and State of Wisconsin, have invented certain new and useful Improvements in Making' Spouts; and I do hereby declare that the following is a full, clear, and exact description thereof.

My invention consists in the herein described novel process of making curved and preferably seamless spouts from partly straight and partly tapered tubes of sheet metal, aluminum being the preferred material, and reference is had to the accompanying drawings by which the various'steps of the process are shown, said spouts being designed for coffee and tea pots.

Figure 1 of the drawings represents a sectional viewof a die in which a tube as aforesaid is curved and a portion thereof elliptically expanded, as well as otherwise shaped; the tube being shown partly broken; Fig. 2,

"a cross-section of the enlarged end of the tube; the plane of the section being indicated by line 22 in Fig. 1; Fig. 3, a view similar to Fig. 1, illustrating the die and a shaping of a tube by the action of a former that is also shown; Fig. 4, a cross-section of an expanded end of the partly formed spout resulting from the actiOIl of the former on the tube Within said die. the plane of the section being indicated by line 4-4 in Fig. 3; Fig; 5, a partly sectional View of a fragment of a drawing press organized with especial reference to final shaping of partly formed spout that is illustrated on a curvilinear horn of the press engaging the drawing hole of a. pivotal die of said press; Fig. 6, a View Similar to Fig. 3, illustrating the drawing die swung down to complete the shaping of the spout on said horn, and Fig. 7 a crosssection indicated by line 7-7 in Fig. 5.

Referring by numerals to the drawings, 8

indicates a two-part die having the interior thereof shaped to provide for the curving therein of a partly straight and partly tapered tube 9, and for elliptically expanding the enlargement of the tube, there being a gradual merging of the elliptical contour of the die bore into the cylindrical contour of the same. The tube is preferably spun from an aluminum blank and shaped in the die by means of a former 10. 'As shown in Fig. 1, the enlarged end of the tube is cut crosswise thereof, the out being on an incline merging into a curve Where the tube is longest. In Fig. 1, the tube is shown inserted in the die, and in Fig. 2, said tube is shown forced down into said die by the former 10. By means of the former, the tube s partly curved and its enlargement elllptlcally expanded without abrupt demarcation between the elliptical and cylindrical contours of the then partly formed spout, while at the same time there is a flaring 11o'f the enlarged end of said tube at the back thereof. The partly formed spout having been removed from the die 8, it is engaged with the drawing hole of a pivotal die 12 of a drawing-press, and its enlarged end is placed upon a curvilinear horn 13 constituting a part of the press. The horn is of elliptical contour in cross-section and its greatest longitudinal curvature is preferably file-cut or otherwise roughened, as shown at 14. to prevent slipping down of said spout on said horn when the next step in the process takes place. The die is swung down to curve a portion of the spout on the horn, as shown in Fig. 6, the enlarged inner end of said spout being then on the same plane throughout and its elliptical area reduced.

The outer end of the tube is cut off and the same end of the spout V-notched at any convenient time after the forming of said spout in the die 8.

I claim:

1. A spout-making process consisting in converting a partly straight and partly tapered tube of sheet-metal into a partly curved and tapering product having an elliptically expanded and partly flaringenlargement, and thereafter drawing the enlargement of said product to curve a portion of the same simultaneously with a reduction of its elliptical area.

2. The method of making a spout-shaped article which consists in forming a tubular blank with enlarged edge terminating in a curve, bending the same to the desired longitudinal form, and thereafter drawing the resultant elliptical protruding end to form a substantially cir'cul'ar body, as set forth.

'In testimony that I claim the foregoing I have hereunto set myhand at Two Rivers. V

, J OSIQPH KOENIG. Witnesses M. J. GAFFNEY, A. H. GLoE.

Images