US1252150A - Method of forming stitches. - Google Patents
Method of forming stitches. Download PDFInfo
- Publication number
- US1252150A US1252150A US15829817A US15829817A US1252150A US 1252150 A US1252150 A US 1252150A US 15829817 A US15829817 A US 15829817A US 15829817 A US15829817 A US 15829817A US 1252150 A US1252150 A US 1252150A
- Authority
- US
- United States
- Prior art keywords
- loop
- thread
- stitching
- puncture
- forming
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B61/00—Loop holders; Loop spreaders; Stitch-forming fingers
Definitions
- This invention relates to the formation of seams for stitched articles of leather or heavy material, and more particularly to the stitching of the soles of shoesel
- the prime object of the invention is to afford a method of-stitching resulting in a seam which, in distinction to the stitch shown in United States Patent No. 1,114,533 issued to me and G. S. Savignac on Oct. 20th, 191e and to other prior patents of the same general character, cannot be ripped or unraveled, whereby a shoe, a set of harness, a valise, a raincoat or other article subjected to constant hard wear will be rendered-more durable and thus more satisfactory to the purchaser.
- Figure l depicts the ver tically inserted stitching-thread carried through a uniform evil-made puncture in two layers of material which may here be regarded as the inner and outer plies of a shoe sole; 2 depicts the loop-locking thread projected through the loop of the stitching-thread, this being the second step in the formation of the stitch; Fig. 3 depicts the third step in the process, namely, the projection of a separate thread of stout material between the strands of the looplock in advance of the stitching-thread;v
- Fig. et the next step, namely the drawingupward of the stitching-thread;
- Fig. 5 the fifth step of the process consisting of the retraction of the loop-lock-against the individual thread rst shown in Fig. 3;
- Fig. 6 the final step, namelythe drawing of the knot formed by the preceding steps into the awl-made puncture;
- Fig. 7 a bottom plan view of the steplshown in Fig. Ll. i
- the material operated upon is lirst punctured by an awl moving' in advance of the needles to form a. uniform puncture 1 and the stitching-thread 2 is then fed therethrough and returned to provide a loop 3.
- the continuous thread Ll is next projected by suitable mechanism through the loop 3 and returned to form the loop 5, commonly termed the Lloclringdoop, and thereafter a reciprocating needle inserts the strand 6 through loop 5 in advance of loop 3 and in close relation thereto.
- a cutting device is auto matically brought into play to sever strand 6 on both sides of loop 5; next the threads 2 and 4l are successively retracted (as shown in Figs. e and 5).,by take-up mechanism; and finally the knot formed by the juncture of loop 5 and strand 6 is drawn upward, by the continued action of said mechanism, into the puncture 1 and thus protected from wear.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Description
Missouri,
CHARLES E. MYERS, O' ST.
LOUIS, MISSOUB, ASSIGNOR, BY DIRECT AND MSNE ASSGNMENTS, OF ONEHALF TO JOHN WEILACHER AND ONE-HALF '1"0 THOMAS LAVIN, NILLAIVI A. RHENHEXMER, AND
MISSOURI.
GUS BAUER, ALL OF ST. LOUIS,
Patented dan.. 1, ll.
.Application filet-1 March 29, i917. Serial No. 158,298.
To all whom it may concer-a:
Be it known that l, CHARLES E. MYERS, a citizen of the United States of America, and a resident of the city of St. Louis, State of have invented a certain new and useful Improvement in Methods of Forming Stitches, of which, the following is a specification.l
This invention relates to the formation of seams for stitched articles of leather or heavy material, and more particularly to the stitching of the soles of shoesel The prime object of the invention is to afford a method of-stitching resulting in a seam which, in distinction to the stitch shown in United States Patent No. 1,114,533 issued to me and G. S. Savignac on Oct. 20th, 191e and to other prior patents of the same general character, cannot be ripped or unraveled, whereby a shoe, a set of harness, a valise, a raincoat or other article subjected to constant hard wear will be rendered-more durable and thus more satisfactory to the purchaser.
In sewing together the plies of leather (or other material) forming the sole of a shoe it is now the custom to employ a continuous stitch commonly termed a loop-lock which is projected through each loop of the vertically inserted stitching-thread for the purpose of resisting thetendency of the plies to spring apart after said thread has been worn or broken.
While effective to a degree, stitching of this character still leaves much to be desired, for it will be appreciated that, as the socalled loop-lock is continuous or, in other words, formed throughout the length of the seam by carrying forward and looping a single thread, the constant flexing of the shoe tends to pull the lock out of the needlethread loop and thus permits the eventual disintegration of the entire seam. rlfhe correction of this defect has long been sought by those familiar with the situation and is the distinguishing feature of the present invention.
ln the accompanying diagrammatic drawing, which is greatly enlarged and wherein like numerals refer to like parts throughout the several views, Figure l depicts the ver tically inserted stitching-thread carried through a uniform evil-made puncture in two layers of material which may here be regarded as the inner and outer plies of a shoe sole; 2 depicts the loop-locking thread projected through the loop of the stitching-thread, this being the second step in the formation of the stitch; Fig. 3 depicts the third step in the process, namely, the projection of a separate thread of stout material between the strands of the looplock in advance of the stitching-thread;v
Fig. et the next step, namely the drawingupward of the stitching-thread; Fig. 5 the fifth step of the process consisting of the retraction of the loop-lock-against the individual thread rst shown in Fig. 3; Fig. 6 the final step, namelythe drawing of the knot formed by the preceding steps into the awl-made puncture; and Fig. 7 a bottom plan view of the steplshown in Fig. Ll. i
In carrying the invention into practice, the material operated upon is lirst punctured by an awl moving' in advance of the needles to form a. uniform puncture 1 and the stitching-thread 2 is then fed therethrough and returned to provide a loop 3. The continuous thread Ll is next projected by suitable mechanism through the loop 3 and returned to form the loop 5, commonly termed the Lloclringdoop, and thereafter a reciprocating needle inserts the strand 6 through loop 5 in advance of loop 3 and in close relation thereto. These steps having been accomplished a cutting device is auto matically brought into play to sever strand 6 on both sides of loop 5; next the threads 2 and 4l are successively retracted (as shown in Figs. e and 5).,by take-up mechanism; and finally the knot formed by the juncture of loop 5 and strand 6 is drawn upward, by the continued action of said mechanism, into the puncture 1 and thus protected from wear.
Having thus fully described the invention, what I claim as new and desire to Secure by Letters-Patent is 1. The method of forming a stitch which comprises the projection of a thread through a puncture in the -layers of material to be united, forming a loop upon the opposite side oi' said material, passing through said loop a loop of another thread, inserting through the second loop in advance of the lloop first formed a third or locking thread,
next severing the locking thread on either side of said second loop, the loops of said threads into said puncture.
2. The method of forming a 'stitch which comprises the projection of a thread through and inally drawing a, puncture in the layers of material to be Y united, formingy a loop upon the opposite side of said material, passing through said loop a loop of another thread, inserting through the second loop in advance of the loop first formed a third or locking thread,
CHARLES E. MYERc v Witnesses:
W. KEANE SMALL, H. M. PRENDIVILLE.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15829817A US1252150A (en) | 1917-03-29 | 1917-03-29 | Method of forming stitches. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15829817A US1252150A (en) | 1917-03-29 | 1917-03-29 | Method of forming stitches. |
Publications (1)
Publication Number | Publication Date |
---|---|
US1252150A true US1252150A (en) | 1918-01-01 |
Family
ID=3319874
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US15829817A Expired - Lifetime US1252150A (en) | 1917-03-29 | 1917-03-29 | Method of forming stitches. |
Country Status (1)
Country | Link |
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US (1) | US1252150A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5881663A (en) * | 1995-10-09 | 1999-03-16 | Juki Corporation | Method of tying a knot in chain stitching |
US20160032507A1 (en) * | 2014-08-04 | 2016-02-04 | Toyoda Gosei Co., Ltd. | Stitch line forming method |
-
1917
- 1917-03-29 US US15829817A patent/US1252150A/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5881663A (en) * | 1995-10-09 | 1999-03-16 | Juki Corporation | Method of tying a knot in chain stitching |
US20160032507A1 (en) * | 2014-08-04 | 2016-02-04 | Toyoda Gosei Co., Ltd. | Stitch line forming method |
US9879366B2 (en) * | 2014-08-04 | 2018-01-30 | Toyoda Gosei Co., Ltd. | Stitch line forming method |
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