US1546488A - Seam for woven-wire fabrics - Google Patents
Seam for woven-wire fabrics Download PDFInfo
- Publication number
- US1546488A US1546488A US720415A US72041524A US1546488A US 1546488 A US1546488 A US 1546488A US 720415 A US720415 A US 720415A US 72041524 A US72041524 A US 72041524A US 1546488 A US1546488 A US 1546488A
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- Prior art keywords
- wire
- wires
- lay
- seam
- whipping
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F1/00—Wet end of machines for making continuous webs of paper
- D21F1/10—Wire-cloths
- D21F1/12—Seams thereof
- D21F1/16—Seams thereof sewn
Definitions
- This invention relates to improvements in seams for woven wire fabric, such as are used on endless woven wire belts used in paper-making machines, and the objects of the invention are to provide for better drainage of the belt or fabric at the seam, to enable shorter stitches to be used and thus avoid the risk of stitches getting out of place and in consequence being destroyed, and to enable the pull on the closing wire of the seam to be transmitted back to the interior lay wires thereof.
- F urtherobjects still are to obtain extreme durabilit and generally to better adapt it to perform the functions required of it.
- the invention consists essentially of the improved construction hereinafter described in detail in the accompanying specification and drawings, and in which a single wire serves both as a whipping wire and as a closing wire, as more particularly pointed out hereinafter.
- Figure 1 is a plan' view of an embodiment of my invention, drawn to an enlarged scale.
- Fig. 2 is a side view of the seam, showing the lay wires in section.
- Fig. 3 is a plan view of an alternative embodiment of the invention.
- Fig. 4 is a sectional elevation of the arrangement shown in Fig. 3.
- Fig. 5 is a plan view of another embodiment of the invention.
- Fig. 6 is a sectional elevation of the embodiment shown in Fig. 5.
- Fig. 7 is a plan view of another embodiment of theinvention.
- Fig. 8 is a sectional elevation of the embodiment shown in Fig. 7.
- Fig. 9 is a plan view of another embodiment of the invention.
- Fig. 10 is a sectional elevation of the embodiment shown in Fig. 9.
- Fig. 11 is a cross-section taken arallel -to one of the lay wires in Fig. 9 an showing the arrangement of the warp wires with respect thereto, the construction being the same in cross-section for all the figures except Fig. 12.
- Fig. 12 is a plan view of an alternative embodiment of the invention.
- Fig. 13 is a sectional view of the form shown in Fig. 12.
- Fig. '14 is a cross-section taken parallel to one of the lay wires in Fig. 12.
- Fig. 15 is a plan View of an alternative form of the invention.
- Fig. 16 is a sectional view through the form shown in Fig. 15 and taken parallel to the warp wires.
- a and B indlcate two sections of the Woven wire fabric which are to be joined by the seam, the fabric itself comprising a plurality of parallel lay wires 10 and a plurality of longitudinally extending and parallel warp wires 11.
- the fabric itself in each of the embodiments illustrated, is of Wellknown designs not forming part of the present invention.
- a whipping wire which alsoconstitutes a closing wire, the said whipping wire, on the side next to the paper machine, extending over 3 lay wires on the part B, and 1 lay wire on the part A therein and diagonally under the upper side, being bent to avoid the knuckles in the fabric as indicated.
- an ordinary whipping wire 13 is provided, which binds the first la wires, the stitches alternately covering 3 and 4 lay wires as indicated.
- the warp wires 11 on the part B are preferably soldered to the end lay wire 15, soldering material 16 being indicated by double lines in Fig. 1.
- soldering material 16 being indicated by double lines in Fig. 1.
- the second lay wire could be soldered in place of the first, or both the first and second lay wires could be soldered.
- lay wire is not soldered as indicated, it may be necessary to go over an increased number of lay wires, say 4 in stead of 3.
- the ratio of'the number of stitches to meshes may be varied. While I have shown the stitches in the ratio of 1 to 2, other ratios such as 1 to 3, 2 to 3, or 3 to 5, may be used.
- the form of fabric illustrated in Fig. 1, is of a special form in which the warp wires are provided with long knuckles 17 on one side and with short knuckles 18 on the opposite side.
- the length of the stitches of the combined whipping and closing wire 12 may be varied, and in Figs. 3 and 4 I have shown a whipping and closing wire 12 which extends over 2 lay wires on the part A.
- Figs. 3 and 4 12 indicates the whipping and closing wire, which extends over 2 lay wires on the part A and 1 lay wire on the part B.
- the part B has the ordinary whipping wire 13, the stitches of which extend alternately over 3 and 4 lay wires.
- the end lay wire 15, on the part A is shown soldered to the warp wires 11.
- the whipping wires are always so placed that they pass to one side of the knuckles and never over them.
- the alternative form of the invention is not a form of interlooped scam, the whippin and closing wire 12" not looping through t e whipping wire 13".
- the whi ping and closing wire 12" covers 2 lay wires on the part B and the end lay .wire on the part A, while 13 covers 3 lay wires. No solder is shown in this form of the invention.
- the whipping and closing wire 12" and the whipping wire 13 are shown with the ratio 0 stitches to number of meshes in the proportion of 1 to 3.
- the alternative form of the invention shows an inter-- looped form, in which the loops of the stitches in the combined whipping and closing wire 12 are threaded through the loops of the stitches in the whipping wire 13, each of the whipping wires covering 3 lay wires.
- the -whipping wire 12, 2 of the lay wires which it covers are on the part B, while one is on the part A.
- the alternative form of the invention shows the whip ping wires formed on the paper side with 0th straight and inclined portions.
- the whipping and closing wire 12 extends over 2 lay wires on the part A and the end lay wire on the part B.
- the whipping wire 13, on the part B extends over the 3 end lay wires, and in each instance the portions of the whipping wires 12 and 13, adjacent the seam opening, extend substantially parallel with the warp wires.
- Figs. 12 and 13 illustrates a seam as applied to a plain weave.
- the whip ping and closing wire 12 extends over 2 lay wires on the part A and the end lay wire on the part B, while the whipping wire 13 extends over 3 lay wires on the part B.
- the end of the part A is soldered, as indicated, the soldering joining the ends of the war wires to the end lay wire.
- the fabric illustrated has no long knuckles no especiall weak points are de veloped, but the sol er is applied to hold all of the warp knuckles at the end laywire in place and in this way prevent the seam pulling apart where the whipping wires go around the second and third lay wires on parts.
- a and B respectively. Variations in length and arrangement of stitches may be made to suit requirements.
- the whippin wire stitches are on the machine side 0 the wire diagonally inclined to the sewing wire stitches and to the warp wires, thus distributing the stitches more evenly than would otherwise be the case and so giving more uniform drainage.
- the sewing or closing wire stitches WlllOh are incline f
- the sewing wire stitches and whipping wire stitches are generally s eakin both inclined to the warp wires on th si es of the fabric. But wherever possible, part of their length has been made parallel to the warp wires. (See Fig. 5.
- the whipping and closing wire 12 and whipping wire 13 are shown with the ratio of stitches to the number of meshes in the proportion of 2 to 3. It will be seen that the stitches of 12 cover 3 of the lay wires on the side B of the seam and the end lay wireon the side A. The number of warp wires between the stitches of the whippin and closin wire 12 are alternately 1 an 2.
- the whipping wire 13 is formed with stitches alternatel including 3 and 4-lay wires, the stitches ing separated alternately by 1 and '2 warp wires.
- a seam for woven wire fabrics wherein the seam combines warp wires and lay wires comprising a combined whipping and closing wlre covering a plurality of lay wires and extendin beneath a plurality of lay wires on one side of the seam and over one lay wire on the opposite side of the seam and a whipping wire on said opposite side of the seam extending over a plurality of lay wires and under a plurality of lay and warp wires.
- a seam for woven wire fabrics wherein the seam combines war wires and lay wires ALBERT WILLIAM HARRIS.
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Description
A. W. HARRIS SEAM FOR WOVEN WIRE FABRICS Filed June l6, 1924 7 sheets-sheet 1 A. W. HARRIS SEAM FOR WOVEN WIRE FABRICS Filed June '16 1924 '7 Sheets-Sheet 2 July 21, 1925. 1,546,488-
A. W. HARRIS SEAM FOR WOVEN WIRE FABRICS Filed June 6 1924 7 Sheets-Sheet 5 July 21, 1925. 1,546,488
A. w. HARRIS SEAM FOR WOVEN WIRE FABRICS Filed Julie 16 1924 7 Sheets-Sheet 4 Jmnvmn fiwmr. Mi Mme/5.
July 21, 1925. 4 1,546,488
A. w. HARRIS SEAM FOR WOVEN WIRE FABRICS Filed June 16 1924 7 Sheets-Sheet 5 July 21, 1925. 4 1,546,488
A. W. HARRIS SEAM FOR WOVEN WIRE FABRICS Filed June 16 1924 7 Sheets-Sheet 6 I/ 1 I/ II) 1/ 1/ v /1 July 21, 1925. 1,546,488
. A. w. HARRIS SEAM FOR WOVEN WIRE FABRIC S Filed June 16 1924 7 Sheets-Sheet 7 I is! L Y 1 1 ii I] H] a JV H UL F (T: In I l j /fill! II J I WWACL. ll AF iv [5 ll I (H n wig 3 1% AW INF ll u )w u) u f F FTBTU E lira/ 19101? fiwmnMH/mms.
Patented July 21, 1925.
NITED STATES ALBERT WILLIAM mars-or GLENS FALLS, NEW YORK.
SEAM FOR WOVEN-WIRE FABRICS.
Application filed June 16, 1924. Serial No. 720,415.
To all whom it may concern:
Be it known that I, ALBERT WILLIAM HARRIS, a citizen of the United States of America, and resident of Glens Falls, county of Warren, in the State of New York, United States of America, have invented certain new and useful Improvements in Seams for l/Voven-Wire Fabrics, of which the following is a specification.
This invention relates to improvements in seams for woven wire fabric, such as are used on endless woven wire belts used in paper-making machines, and the objects of the invention are to provide for better drainage of the belt or fabric at the seam, to enable shorter stitches to be used and thus avoid the risk of stitches getting out of place and in consequence being destroyed, and to enable the pull on the closing wire of the seam to be transmitted back to the interior lay wires thereof.
Further objects of the invention are to enable afirm joint to be obtained with as great simplicity and ease of construction as possible.
F urtherobjects still are to obtain extreme durabilit and generally to better adapt it to perform the functions required of it.
The invention consists essentially of the improved construction hereinafter described in detail in the accompanying specification and drawings, and in which a single wire serves both as a whipping wire and as a closing wire, as more particularly pointed out hereinafter.
Figure 1 is a plan' view of an embodiment of my invention, drawn to an enlarged scale.
Fig. 2 is a side view of the seam, showing the lay wires in section. i
Fig. 3 is a plan view of an alternative embodiment of the invention.
Fig. 4 is a sectional elevation of the arrangement shown in Fig. 3.
Fig. 5 is a plan view of another embodiment of the invention.
Fig. 6 is a sectional elevation of the embodiment shown in Fig. 5.
Fig. 7 is a plan view of another embodiment of theinvention.
Fig. 8 is a sectional elevation of the embodiment shown in Fig. 7.
Fig. 9 is a plan view of another embodiment of the invention.
Fig. 10 is a sectional elevation of the embodiment shown in Fig. 9.
Fig. 11 is a cross-section taken arallel -to one of the lay wires in Fig. 9 an showing the arrangement of the warp wires with respect thereto, the construction being the same in cross-section for all the figures except Fig. 12.
Fig. 12 is a plan view of an alternative embodiment of the invention.
Fig. 13 is a sectional view of the form shown in Fig. 12.
Fig. '14 is a cross-section taken parallel to one of the lay wires in Fig. 12.
Fig. 15 is a plan View of an alternative form of the invention.
Fig. 16 is a sectional view through the form shown in Fig. 15 and taken parallel to the warp wires. i
All of the drawings are made to an enlarged scale to more fully illustrate the construction, and in the drawings like characters of reference indicate corresponding parts in each figure.
Referring to the drawings generally, A and B indlcate two sections of the Woven wire fabric which are to be joined by the seam, the fabric itself comprising a plurality of parallel lay wires 10 and a plurality of longitudinally extending and parallel warp wires 11. The fabric itself, in each of the embodiments illustrated, is of Wellknown designs not forming part of the present invention. The plan views of the drawings, in each instance, show the side of the fabric which runs next the paper ma-.
chine.
Referring now particularly to the form of fabric shown in Fig. 1, 12 indicates a whipping wire, which alsoconstitutes a closing wire, the said whipping wire, on the side next to the paper machine, extending over 3 lay wires on the part B, and 1 lay wire on the part A therein and diagonally under the upper side, being bent to avoid the knuckles in the fabric as indicated. On the side'A of the seam an ordinary whipping wire 13 is provided, which binds the first la wires, the stitches alternately covering 3 and 4 lay wires as indicated.
To give additional strength, the warp wires 11 on the part B are preferably soldered to the end lay wire 15, soldering material 16 being indicated by double lines in Fig. 1. The ends of the warp wires are in this way firmly held in their correct positions and the warp. wires, therefore.
wire 14 to the third and fourth lay tend to hold the second and third lay wires in their positions. In. this way the working tension of the whole fabric is prevented from causing the stitching wire to pull the lay wires out of lace and in this way from pulling the fabric apart. As shown, only the lay wires on the side B immediately ad- ]acent to the opening have been soldered,
but if desired the second lay wire could be soldered in place of the first, or both the first and second lay wires could be soldered.
If the lay wire is not soldered as indicated, it may be necessary to go over an increased number of lay wires, say 4 in stead of 3. V
It will be seen that the stitches of the combined whipping and closing wire 12 extend over 3 lay wires on the part B and 1 lay wire on the part A., In the form illustrated in Fig. 1, the solder is omitted from the side A; but it could also be used on that side ifdesired.
It would be obvious that the ratio of'the number of stitches to meshes may be varied. While I have shown the stitches in the ratio of 1 to 2, other ratios such as 1 to 3, 2 to 3, or 3 to 5, may be used.
The form of fabric, illustrated in Fig. 1, is of a special form in which the warp wires are provided with long knuckles 17 on one side and with short knuckles 18 on the opposite side.
The length of the stitches of the combined whipping and closing wire 12 may be varied, and in Figs. 3 and 4 I have shown a whipping and closing wire 12 which extends over 2 lay wires on the part A.
In the alternative form of the invention shown in Figs. 3 and 4,12 indicates the whipping and closing wire, which extends over 2 lay wires on the part A and 1 lay wire on the part B. The part B has the ordinary whipping wire 13, the stitches of which extend alternately over 3 and 4 lay wires. The end lay wire 15, on the part A is shown soldered to the warp wires 11.
The whipping wires are always so placed that they pass to one side of the knuckles and never over them.
The alternative form of the invention, shown in Figs. 5 and 6, is not a form of interlooped scam, the whippin and closing wire 12" not looping through t e whipping wire 13". In this form of the invention, the whi ping and closing wire 12" covers 2 lay wires on the part B and the end lay .wire on the part A, while 13 covers 3 lay wires. No solder is shown in this form of the invention. The whipping and closing wire 12" and the whipping wire 13 are shown with the ratio 0 stitches to number of meshes in the proportion of 1 to 3.
The alternative form of the invention, shown in Figs. 7 and 8, shows an inter-- looped form, in which the loops of the stitches in the combined whipping and closing wire 12 are threaded through the loops of the stitches in the whipping wire 13, each of the whipping wires covering 3 lay wires. In the case of the -whipping wire 12, 2 of the lay wires which it covers are on the part B, while one is on the part A.
The alternative form of the invention, shown in Figs. 9 and 10, shows the whip ping wires formed on the paper side with 0th straight and inclined portions. In this form of the invention, the whipping and closing wire 12 extends over 2 lay wires on the part A and the end lay wire on the part B. The whipping wire 13, on the part B, extends over the 3 end lay wires, and in each instance the portions of the whipping wires 12 and 13, adjacent the seam opening, extend substantially parallel with the warp wires.
The alternative form of the invention shown in Figs. 12 and 13, illustrates a seam as applied to a plain weave. .The whip ping and closing wire 12 extends over 2 lay wires on the part A and the end lay wire on the part B, while the whipping wire 13 extends over 3 lay wires on the part B.
In these views the end of the part A is soldered, as indicated, the soldering joining the ends of the war wires to the end lay wire. In this form it may be observed that since the fabric illustrated has no long knuckles no especiall weak points are de veloped, but the sol er is applied to hold all of the warp knuckles at the end laywire in place and in this way prevent the seam pulling apart where the whipping wires go around the second and third lay wires on parts. A and B respectively. Variations in length and arrangement of stitches may be made to suit requirements.
vIt will be observed that, wherever possible, the stitches of the seam, on the side of the wire which runs-next to the paper machine, are made parallel to the war wires. Thus in the case of seams whici are made with a ratio of 1 stitch to 2 meshes, and the sewing wires of which do not loop through the opposite whipping wire, the stitches may be on the side next to the machine approximately parallel to the warp wires so t at they never go across the knuckles, or if for part or all of their length they are diagonally inclinedto thewith a ratio of 1 stitch to 2 meshes and g which have the sewing or closing wire looped through the whlpplng wire loops,
the whippin wire stitches are on the machine side 0 the wire diagonally inclined to the sewing wire stitches and to the warp wires, thus distributing the stitches more evenly than would otherwise be the case and so giving more uniform drainage. (See Fig. 7.) 'On the side next to the paper, it is the sewing or closing wire stitches WlllOh are incline f In the case of seams with the ratio of 1 to 3, the sewing wire stitches and whipping wire stitches are generally s eakin both inclined to the warp wires on th si es of the fabric. But wherever possible, part of their length has been made parallel to the warp wires. (See Fig. 5.
When matching t e two ends of the cloth to be united these may be so cut and placed that a long knuckle may be opposite a long knuckle or a short knuckle opposite a long knuckle, dependent upon the ratio of number of stitches to meshes and len h and variations of stitches. Length an variations of stitches may obviously be made to suit requirements. 4
In the alternative form of the invention, shown in Figs. 15 and 16, the whipping and closing wire 12 and whipping wire 13 are shown with the ratio of stitches to the number of meshes in the proportion of 2 to 3. It will be seen that the stitches of 12 cover 3 of the lay wires on the side B of the seam and the end lay wireon the side A. The number of warp wires between the stitches of the whippin and closin wire 12 are alternately 1 an 2. The whipping wire 13 is formed with stitches alternatel including 3 and 4-lay wires, the stitches ing separated alternately by 1 and '2 warp wires.
As many changes could be made in the above construction and many widely different embodiments of my invention, within the scope of the claims, constructed without departing from the spirit or scope thereof, it is intended that all matter contained in the accom anying specification and drawings shall beinterpreted as illustrative and not in a limiting sense.
What I claim as my invention is:
1. A seam for woven wire fabrics wherein the seam combines warp wires and lay wires comprising a combined whipping and closing wlre covering a plurality of lay wires and extendin beneath a plurality of lay wires on one side of the seam and over one lay wire on the opposite side of the seam and a whipping wire on said opposite side of the seam extending over a plurality of lay wires and under a plurality of lay and warp wires.
2. A seam for woven wire fabrics wherein the seam combines war wires and lay wires ALBERT WILLIAM HARRIS.
Witnesses:
ELLA F. CLARK, L. RAY Lawn.
a whipping wire on said
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US720415A US1546488A (en) | 1924-06-16 | 1924-06-16 | Seam for woven-wire fabrics |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US720415A US1546488A (en) | 1924-06-16 | 1924-06-16 | Seam for woven-wire fabrics |
Publications (1)
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US1546488A true US1546488A (en) | 1925-07-21 |
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US720415A Expired - Lifetime US1546488A (en) | 1924-06-16 | 1924-06-16 | Seam for woven-wire fabrics |
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1924
- 1924-06-16 US US720415A patent/US1546488A/en not_active Expired - Lifetime
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