US3443269A - Top line pressing machine for shoe uppers - Google Patents

Description

May 13, 1969 G w H I R 3,443,269

TOP LINE PRESSING MACHINE FOR SHOE UPPERS Filed Nov. 22, 1967 Sheet of 3 Inventor George WHeZSll May 13, 1969 G. w. HEISELER TOP LINE PRESSING MACHINE FOR SHOE UFPERS Filed Nov 22, 1967 Sheet y 3, 1969 G. w. HEISELER 3,443,269

- TOP LINE PRESSING MACHINE FOR SHOE UPPERS Filed Nov. 22, 1967 Sheet 3 of s United States Patent M 3,443,269 TOP LINE PRESSING MACHINE FOR SHOE UPPERS George W. Heiseler, Saugus, Mass, assignor to Boston Machine Works Company, Lynn, Mass., a corporation of Massachusetts Filed Nov. 22, 1967, Ser. No. 685,199 Int. Cl. A43d 7/14, 25/00, 27/00 US. Cl. 12-55 3 Claims ABSTRACT OF THE DISCLOSURE This invention relates to a special pressing machine for a particular purpose, namely, to finish the top edge of a shoe upper at the back seam thereof.

When an upper has been cut to shape, the top edge is skived, cemented, and doubled back to form a smooth bead. This is usually done by a machine designed for the purpose. The ends of the upper must then be stitched together to form the back seam. To facilitate this stitching operation, about half an inch of the bead at each end is opened up, forming small flaps at the ends of the top bead of the upper. When the ends of the upper have been stitched together to form the back scam, the flaps must be doubled back again to form a smooth, continuous bead at the back of the upper. For this purpose cement is again applied to the flaps which are then doubled back and pressed to form a uniform bead with the rest of the top of the upper. The herein described machine is designed to enable an operator to perform this operation quickly and effectively to provide a uniform product.

For a more complete understanding of the invention, reference may be had to the following description thereof and to the drawings, of which:

FIGURE 1 is a perspective view of a machine embodying the invention;

FIGURE 2 is a front elevation of the novel parts of the machine;

FIGURE 3 is a side elevation of the same;

FIGURE 4 is a plan view of the same as indicated by the lines IVIV of FIGURE 2;

FIGURE 5 is a plan view of the anvil, showing part of an upper initially applied thereto;

FIGURE 6 is a similar view showing the upper moved toward the back-stop;

FIGURE 7 is a section on the line VIIVII of FIGURE 6;

FIGURE 8 is a fragmentary sectional view of the same;

FIGURE 9 is a plan view of the upper in its final position on the machine; and

FIGURE 10 is a fragmentary sectional view of the same.

The machine illustrated on the drawings is of the bench type being supported by a pillar 20 having a base plate 22 secured to a table 24 or other suitable Support. A conventional pneumatic or hydraulic press 26 is pro- 3,443,269 Patented May 13, 1969 vided with a pressure-regulating valve 28 and dial gauge 30. Valves for operating the press are not shown.

Secured to the pillar 20 is an anvil having a conical body 32 with a short cylindrical base 34, next to which is a cylindrical back-stop 36. Extending in from the apex of the body 32 is a slot 38 in which is fitted a plate 40. As indicated in FIGURES l and 7, the upper portion of the plate 40 projects out from the surface of the body 32 forming a rib the upper edge 42 of which is curved and terminates a short distance from the cylindrical base portion 34- of the body 32. The plate is adjustably secured in position by a screw 44 which extends through a slot 46 in the plate. Thus the height of the rib above the conical surface of the body can be adjusted as desired.

Above the base 34 of the anvil body is an arcuate presser foot 50 which is pivotally attached to a piston rod 52 projecting down from the press 26. The presser foot 50 is of metal with a soft liner 54 of vulcanized rubber or an equivalent.

The machine is operated for the specific purpose of completing the bead at the top of a shoe upper adjacent to the back seam after the back seam has been stitched. The bead along the top of the upper is usually made before the back seam is stitched. To do a good job of stitching, about half an inch of the bead at each of the ends of the upper to be joined by the seam is opened up, forming small flaps 60 (FIGURE 5) on each side of the back seam 62. After a suitable cement has been applied to the under faces of the flaps 60 by a brush or other suitable means, the upper is manually applied to the anvil so that the back seam 62 rides on the upper edge of the plate 40 with the flaps riding over the end of the rib. The upper is then moved toward the back-stop 36 with the result that the flaps 60 are curled under as indicated in FIGURE 8, completing the bead along the top edge of the upper. The upper is pushed along further until the bead is on the base 34 of the anvil and against the backstop 36, whereupon the presser foot 50 is pressed down on the portion of the bead which is on the base 34 by operation of a convenient control valve (not shown). This flattens and smooths that portion of the beam, making it uniform with the rest of the bead.

I claim:

1. A machine for finishing a bead along the top edge of a shoe upper adjacent to the back seam thereof, comprising a conical anvil having a short cylindrical base, a rib projecting from the conical surface of the anvil and extending longitudinally thereof, a semi-circular presser foot adapted to fit on said cylindrical base, and means supporting said anvil with its axis horizontal and said presser foot vertically movable above said base.

2. A machine as claimed in claim 1, and a plate adjustably secured within said anvil, said plate having a marginal portion projecting from the conical surface of the anvil and constituting said rib.

3. A machine as claimed in claim 2, and a cylindrical back-stop next to said base.

References Cited UNITED STATES PATENTS 21:5,534 5/1879 Moore 12--'55 1,596,612 2/1943 Glines 1255 2,311,085 2/1943 Rudolph 12-55 PATRICK D. LAWSON, Primary Examiner.

US. Cl. X.R. 125 4.4

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