US2241652A - Method of making welting - Google Patents
Method of making welting Download PDFInfo
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- US2241652A US2241652A US341871A US34187140A US2241652A US 2241652 A US2241652 A US 2241652A US 341871 A US341871 A US 341871A US 34187140 A US34187140 A US 34187140A US 2241652 A US2241652 A US 2241652A
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- welt
- welting
- bar
- fillet
- strip
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B15/00—Welts for footwear
Definitions
- the beaded welting produced in accordance with my prior patents above noted is intended primarily, although not necessarily exclusively, for use in Goodyear welt shoes and for this purpose is provided with a relatively narrow thick inseam edge.
- the welting of the present invention is intended primarily for use in that type of shoe known as a McKay welt shoe and in certain aspects may be regarded as an improvement over my prior patents wherein I am able to obtain savings in stock while'providing for the relatively wide Wedge-like sewing edge required in the McKay welt type of shoe.
- a feature of the invention resides in a simple method of severing and slitting the double'fillet to form the single welt strips wherein each strip may be provided with a flap and'a body suitable for molding into beaded welting having the desired sewing edge and without removal of any of the material of thestrips' or other intermediate steps.
- the double fillet H is severed longitudinally and generally centrallyof its width, as indicated at l3 ( Figure 1), to produce two single welt strips I4 (left) and I5 (right).
- This severance is accomplished by a five-bar cut including a central bar l6 which lies between and is parallel to the grain and flesh faces I0 and I2 and an end bar I! at the right hand end of bar I6, the bar ll curving upwardly away from the end of bar It and emerging at the grain face I 0 in a direction somewhat sharply inclined to the plane of said face.
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Description
May 13, 1941. w. c. VIZARD- 2,241,652
' METHOD OF MAKING WELTING Filed June 22, 1940 Patented May 13, 1941 METHOD OF MAKING WELTIN'G.
William C. Vizard, Brockton, Mass, assignor to Barbour Welting Company, Brockton, Mass, a co-partnership composed of Perley E. Barbour, Walter G. Barbour, and Richard H; Barbour Application June 22, 1940, Serial-No. 341,871
8' Claims.
This invention relates to the manufacture of beaded welting for shoes and more especially to an improved method of manufacture of such welting wherein the cost of production is reduced through savings in the amount of welting material required.
The common practice in the art is to form the beads by slitting the inner marginal portions of fillets of the welting material to form flaps which flaps are folded between their ends to form the beads, the latter being supported and held in position at the inner edges of the welt extensions by integral portions of the flaps applied to the inner margin or sewing'edges of the welts.
Those skilled in the art are aware that in order to give the flap sufiicient width to form the bead, and to extend over the inner margin of the welt, the process of manufacture must be initiated with a welt strip having greater width than the finished welting. In my prior United States patents, No. 2,142,228, dated January 3, 1939, and No. 2,153,321, dated April 4, 1939, I have disclosed two methods for utilizing a double fillet which by means of novel severing cuts are divided into single welt strips each having sufiicient width for the formation of a suitable flap, in both cases the double fillets being narrower than the combined widths of the single welt strips formed therefrom. In this way I have been able to effect great savings in the cost of manufacture of beaded welting as, where thousands and even millions of yards of the welting is made, the reduction of the width of the fillet even by a fraction of an inch will result in substantial reductions in cost.
The beaded welting produced in accordance with my prior patents above noted is intended primarily, although not necessarily exclusively, for use in Goodyear welt shoes and for this purpose is provided with a relatively narrow thick inseam edge. The welting of the present invention is intended primarily for use in that type of shoe known as a McKay welt shoe and in certain aspects may be regarded as an improvement over my prior patents wherein I am able to obtain savings in stock while'providing for the relatively wide Wedge-like sewing edge required in the McKay welt type of shoe.
One of the principal objects of the present invention is to bring about an improved method of severing and slitting a double fiuet of welting material wherein two welt strips may be formed each being suitable for use in the manufacture of beaded McKay welting, the combined widths of the strips being markedly greater than the width of the double fillet from which they are made.
A feature of the invention resides in a simple method of severing and slitting the double'fillet to form the single welt strips wherein each strip may be provided with a flap and'a body suitable for molding into beaded welting having the desired sewing edge and without removal of any of the material of thestrips' or other intermediate steps.
To these and other ends the invention resides in the novel features and combinations of steps to be hereinafter more fully described.
In the drawing,
Figure 1 is illustrative of the first step in severing a double. fillet, in accordance with the. invention, intotwo welt strips by a multi-part out;
Figures 2 and 3 are illustrative of the further treatment of the welt strips at the left and right respectively of Figure 1 preparatory to forming up the beads therein, and
Figures 4 and 5am illustrative of the novel beaded welting after final molding of the welt strips at the left and right of Figure 1 respectively.
The best grades of welting, including beaded welting, are made of grain leather and while the advantages gained from the present invention are more marked and the same is illustrated in connection with its application to grain leather welting nevertheless those skilled in the art will understand that the invention is by no means limited thereto but is of great importance and effects large savings when applied to other and less costly types of welting materials. Thus while in the description of the invention the upper face ll] of the double fillet II of Figure l is referred to as the grain face'and the bottom face H as the flesh face, it will be understood that such reference is for convenience only and is not to be taken as a limitation of the invention to the use of grain leather.
In accordance with the invention, the double fillet H is severed longitudinally and generally centrallyof its width, as indicated at l3 (Figure 1), to produce two single welt strips I4 (left) and I5 (right). This severance is accomplished by a five-bar cut including a central bar l6 which lies between and is parallel to the grain and flesh faces I0 and I2 and an end bar I! at the right hand end of bar I6, the bar ll curving upwardly away from the end of bar It and emerging at the grain face I 0 in a direction somewhat sharply inclined to the plane of said face. The
severance is completed by a relatively short bar l3 extending towards the flesh face l2 at right angles to and at the left end of bar IS, the bar l8 terminating at its lower end at another relatively short bar l9 extending inwardly parallel to the bar It and joining at its inner end a downwardly and inwardly extending bar 20 emerges through the flesh face [2 at a sharp angle and substantially midway between the side edges 2! and 22 of the fillet.
It will be observed that the cuts described above leave the welt strip M with an upper grain surface extending from edge to edge while the welt strip is provided with a grain surface extending from its outside edge 22 to the shoulder 23 formed by the cut I'l. As the bars [6, H and 20 form the principal parts of the severance cut, the latter may be treated generally as a three part cut, the cuts l8 and l9 acting to give definiteness to the inside edge of the welt strip l5 as well as to locate the position of the bead core of strip M as will appear hereinafter.
To prepare the welt strip [4 for forming up into a beaded welt, as illustrated in Figure 4, a single further cutting operation is necessary. This additional out forms an extension of the cuts previously made therein and includes a bar 24 extending downwardly towards the flesh face and forming a continuation of the out It, a bar 25 curving upwardly and outwardly towards the grain face from the lower end of bar 24 and a bar 26 lying between and parallel to the grain and flesh faces in the plane of out It, the cut formed by the bar 26 terminating substantially at the inner edge of the welt extension.
The several cuts described above form a flap 21 on the welt strip M which flap has an integral bead core 28 on its under side, the cut 26 not only forming a cover strip 29 for the bead core 28 but forming a shelf in the welt body on which the core may be seated as it is folded in the cover strip. The bead is formed up by opening the flap away from the body of the welt strip and applying cement to the internal surfaces whereupon the strip may be passed through a molding machine, the latter folding the core in the cover strip 29 while seating the bead core 28 on the shelf 30, the inseam edge portion 3!, of the flap, being applied to the inner margin 32 of the welt body. The extreme end of the flap is seated in the groove produced by the cuts forming the bead core, the molding machine pressing the thin edge of the flap into contact with and filling the groove so that the inner margin of the finished welting has the Wedge-like shape characteristic of McKay welting.
The welt strip I5 is prepared for forming up of the bead by a single further out consisting of a bar 33 extending inwardly from the inner edge of the welt extension, the bar 33 lying between and being parallel to the grain and flesh faces substantially in the plane of the cut IS, the bar 33 terminating at its inner end at a bar 34 which extends downwardly and inwardly at an angle of about 45 to the grain and flesh faces, the bar 34 terminatingat a bar 35 extending at an acute angle to the flesh face and emerging through the latter at the point where the cut 20 passes through the flesh face. This further cutting of the strip l5 forms a bead core 35 on the under side of the flap 3'! together with a cover strip 38 for the bead core, and inseam edge part 39 which may be applied to the inner'margin 40 of the welt strip body. As in the case of welt strip I4, the molding machine not only forms up and sets the bead but presses the inseam edge of the flap into contact with the inner margin of the welt body, forcing the relatively thin extreme edge of the flap into contact with the welt strip body and otherwise forming a wedge-like inseam edge on the welting. While the welting formed from the welt strip I4 is provided with a welt extension, bead and inseam edge each having a grain leather surface it will be noted that only the extension and bead of the welting formed from strip I5 are provided with grain surfaces, the inseam portion of said welting having a flesh surface.
The point where the cut 20 passes through the flesh face I2 defines the inner marginal edges of both strips of welting after forming up of the beads and it will thus be noted that the width of the double fillet is reduced to a minimum being no greater than the combined widths of the finished strips of welting.
The drawing illustrates a double fillet and severance cuts-suitable for the formation of two A of an inch strands of beaded welting, the cut I! emerging through the grain face ID at a distance of about of an inch from the left edge 2i of the fillet. The cut l6 may be about 5% of an inch from the grain face and the other cuts in proportion. Those skilled in the art will be able to adapt the principles of the invention to other sizes of welting.
While a preferred embodiment of the invention is described herein in detail in order that those skilled in the art may fully understand the nature of the invention and its mode of application it will be understood that the invention in its application is capable of variation and modification within the scope of the appended claims.
What I claim is:
1. The method of producing two welt strips from a double fillet of less width than the combined width of stock in single fillets required for the two beaded welts made from said strips, each strip being of greater overall width than one half of the width of the fillet and each having a flange along one edge adapted for cutting a flap for forming up into a longitudinal bead within the edges of the severed strip, comprising severing the fillet longitudinally by a cut formed by a buried center bar lying in a plane parallel to both faces of the fillet, a bar at one end thereof emerging at one face of the fillet and in a direction inclined to said face and away from said end of the center bar and a bar at the other end of the center bar emerging at the opposite face of the fillet and extending in a direction inclined with respect to said face and towards the opposite end of the center bar.
2. The method according to claim 1 in which one of said end bars emerges along a line defining the overall width of the beaded welts to be formed from the welt strips.
3. The method according to claim 1 in which the end bars define the overall widths of the two welt strips and the point of emergence of one of said end bars defines the overall width of the beaded welts to be formed from the strips.
4. The method according to claim 1 in which the ends of the center bar define the ends of the two welt strips.
5. The method according to claim 1 in which at least one of the end bars is curved and presents its concave side towards the bottom face of the fillet.
6. The method of producing two welt strips from a double fillet of less width than the combined width of stock in single fillets required for the two beaded welts made from said strips, each strip being of greater overall width than one half of the Width of the fillet and each having a flange along one edge adapted for cutting a flap for forming up into a longitudinal bead within the edges of the severed strip, comprising severing the fillet longitudinally by a cut formed by a buried center bar lying in a plane substantially parallel to both faces of the fillet, a bar at one end thereof emerging at one face of the fillet and in a direction sharply inclined with respect to said face and in a direction away from said end of the center bar and a bar at the other 10 the bottom face of the fillet.
WILLIAM C. VIZARD.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US341871A US2241652A (en) | 1940-06-22 | 1940-06-22 | Method of making welting |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US341871A US2241652A (en) | 1940-06-22 | 1940-06-22 | Method of making welting |
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US2241652A true US2241652A (en) | 1941-05-13 |
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US341871A Expired - Lifetime US2241652A (en) | 1940-06-22 | 1940-06-22 | Method of making welting |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2477532A (en) * | 1946-01-23 | 1949-07-26 | Aubrey F White | Welt and method of making the same |
US2517347A (en) * | 1947-05-24 | 1950-08-01 | Emil R Ouimet | Welt and method of making the same |
US2838924A (en) * | 1955-09-16 | 1958-06-17 | Harold F Davenport | Process of making leather welting and product |
US2944269A (en) * | 1958-03-19 | 1960-07-12 | Barbour Welting Co | Method of making a beaded shoe welt |
US3167795A (en) * | 1962-09-19 | 1965-02-02 | Barbour Corp | Method of making beaded shoe welting |
-
1940
- 1940-06-22 US US341871A patent/US2241652A/en not_active Expired - Lifetime
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2477532A (en) * | 1946-01-23 | 1949-07-26 | Aubrey F White | Welt and method of making the same |
US2517347A (en) * | 1947-05-24 | 1950-08-01 | Emil R Ouimet | Welt and method of making the same |
US2838924A (en) * | 1955-09-16 | 1958-06-17 | Harold F Davenport | Process of making leather welting and product |
US2944269A (en) * | 1958-03-19 | 1960-07-12 | Barbour Welting Co | Method of making a beaded shoe welt |
US3167795A (en) * | 1962-09-19 | 1965-02-02 | Barbour Corp | Method of making beaded shoe welting |
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