ZA200304030B - A knitted fabric. - Google Patents
A knitted fabric. Download PDFInfo
- Publication number
- ZA200304030B ZA200304030B ZA200304030A ZA200304030A ZA200304030B ZA 200304030 B ZA200304030 B ZA 200304030B ZA 200304030 A ZA200304030 A ZA 200304030A ZA 200304030 A ZA200304030 A ZA 200304030A ZA 200304030 B ZA200304030 B ZA 200304030B
- Authority
- ZA
- South Africa
- Prior art keywords
- monotapes
- series
- knitted fabric
- fabric
- approximately
- Prior art date
Links
- 239000004744 fabric Substances 0.000 title claims description 42
- 238000009940 knitting Methods 0.000 claims description 10
- 229920001903 high density polyethylene Polymers 0.000 claims description 8
- 239000004700 high-density polyethylene Substances 0.000 claims description 8
- 239000000945 filler Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Description
A KNITTED FABRIC
THIS INVENTION relates to a knitted fabric, and more particularly to a knitted fabric which is suitable for use as shade net.
According to a first aspect of the invention there is provided a knitted fabric which is produced on a warp knitting machine employing three guide bars, the fabric comprising a first series of monofilament threads wherein each monofilament thread is formed into pillar stitches extending in a warp direction, by a first of the guide bars; a second series of monotapes which are knitted in a zig-zag fashion to form a
Sammt stitch extending in a weft direction relative to the monofilament threads; . and a third series of monotapes which are added to the monofilament threads and the monotapes as a filler.
CONFIRMATION COPY
The monofilament threads may have 11 2 pillar stitches per inch of fabric.
The needle gaps of the warp knitting machine may be 1/8 of an inch.
The monotapes of the second series may extend across the equivalent of four needle gaps in a weft direction.
The monofilament threads may be of high density polyethylene of approximately 400
Denier.
The monotapes of the second series may be of high density polyethylene of approximately 350 Denier.
The monotapes of the second series may have a width of approximately 1.8mm and a thickness of approximately 0,035 mm.
The monotapes of the third series may be added to the monofilament threads and the monotapes of the second series to traverse the equivalent of one needle gap in a weft direction to provide a filler.
The monotapes of the third series may be of high density polyethylene of approximately 350 Denier.
The monotapes of the third series may have a width of approximately 1.8mm and a thickness of approximately 0,035 mm.
Further features of the invention are described hereinafter by way of a non-limiting example of the invention, with reference to the accompanying drawings. In the drawings:
AMENDED SHEETS
Figure 1 is a vertical section of a warp knitting machine of the type used to make a fabric in accordance with the invention;
Figure 2 is a pattern diagram illustrating the configuration of the different stitches of the threads forming the knitted fabric; and
Figure 3 is a pattern diagram which illustrates the knit configuration of the fabric.
Referring first to Figure 1, a 16 gauge Raschel-type warp knitting machine comprises a series of latch needles 10, a trick plate 12, and three guide bars, the first guide bar carrying a series of guide needles 14.1, the second guide bar carrying a series of guide needles 14.2, and the third guide bar carrying a series of guide needles 14.3.
The latch needles of the knitting machine are spaced 1/8 of an inch apart. Hence, the needle gaps are 1/8 of an inch. A knitted fabric 16 made on the knitting machine comprises a single series of monofilament threads M each of which passes through the eye of a corresponding one of the guide needles 14.1, a second series of threads in the form of monotapes T1 each of which passes through the eye of a corresponding one of the guide needles 14.2, and a third series of threads in the form of monotapes T2 each of which passes through the eye of a corresponding one of the guide needles 14.3.
The threads M are 400 Denier monofilament threads of high density polyethylene.
The tapes T1 and T2 are each in the form of a 350 Denier high density polyethylene tape, having a width of 1,8 mm and a thickness of 0,035mm.
AMENDED SHEETS
CT Wo 0244482 PCT/IB01/02271
As can be seen in Figure 2, each of the monofilament threads M are knitted to form a pillar stitch which gives the fabric strength in the longitudinal or warp ) direction. The monofilament threads are knitted with 11 % pillar stitches per , inch of fabric. The tapes T1 are knitted in a zig-zag fashion to form a binding between adjacent pillar stitches and to provide the fabric with the required shade- giving and ultra-violet (UV) light protection properties. The tapes T1 are knitted in a closed “Sammt” stitch and traverse the equivalent of four needle gaps in a weft direction per machine cycle. The monotapes T2 is added to the monofilament threads M and the monotapes T1 and traverse two adjacent needles in a weft direction. The monotapes T2 fulfill a filling purpose and provide the fabric with shade protection and UV light protection properties. As such, the configuration of the monotapes T1 and T2, in particular, provide the knitted fabric with its “coverage” properties for shade protection and U-V light protection. As there are two guide bars knitting during the production phase, this will prevent any form of unravelling of the knitted end product.
Due to the knit configuration of the knitted fabric, the fabric exhibits equal elongation and tensile strength properties in both warp and weft directions. The knit configuration thus provides a knitted fabric having uniform properties in both warp and weft directions.
Due to the material properties and stitches used for the monotapes of the second and third series, the monotapes exhibit sufficient tensile strength in the weft direction, thereby obviating the need for monofilament threads in the weft direction.
The configuration of the monotapes T1 and T2, in particular, provide the knitted fabric with excellent coverage thus enhancing the U-V light protection and shade covering properties of the fabric.
The “throw” of the monotapes T1 in the knitted fabric are relatively long thereby providing a more stable knit fabric. The monofilament threads and the ) monotapes do not slide over one another. By utilising the Sammt construction to anchor the weft monotapes T1 with the pillar stitches of the monofilament [4 threads, the fabric is provided with stability in both weft and warp directions.
The relatively tight knit configuration of the fabric provides the fabric with a smoother surface texture which allows for coating of the fabric with more precision thereby providing the fabric with enhanced aesthetic appeal.
The following pattern chain is used to set up the knitting machine and defines the knit configuration:
Bar 1 Bar 2 Bar 3 2 6 0 0 8 0 0 2 4 2 0 4 [J
Claims (12)
1. A knitted fabric which is produced on a warp knitting machine employing three guide bars, the fabric comprising a first series of monofilament threads wherein each monofilament thread is formed into pillar stitches extending in a warp direction, by a first of the guide bars; a second series of monotapes which are knitted in a zig-zag fashion to form a Sammt stitch extending in a weft direction relative to the monofilament threads; and a third series of monotapes which are added to the monofilament threads and the monotapes as a filler.
2. A knitted fabric as claimed in Claim 1, wherein the monofilament threads have 11% pillar stitches per inch of fabric.
3. A knitted fabric as claimed in Claim 1 or Claim 2, wherein the monofilament threads are of high density polyethylene of approximately 400 Denier.
4, A knitted fabric as claimed in any one of the preceding claims, wherein the needle gaps of the warp knitting machine, are 1/8 of an inch.
5. A knitted fabric as claimed in any one of the preceding claims, wherein the monotapes of the second series extend across the equivalent of four needle gaps in a weft direction.
6. A knitted fabric as claimed in any one of the preceding claims, wherein the monotapes of the second series are of high density polyethylene of 350 Denier. AMENDED SHEETS
7. A knitted fabric as claimed in any one of the preceding claims, wherein the monotapes of the second series have a width of approximately 1.8 mm and a thickness of approximately 0,035 mm.
8. A knitted fabric as claimed in any one of the preceding claims, wherein the monotapes of the third series are added to the monofilament threads and the monotapes of the second series to traverse the equivalent of one needle gap in a weft direction, to form a filler.
9. A knitted fabric as claimed in any one of the preceding claims, wherein the monotapes of the third series are of high density polyethylene of approximately 350 Denier.
10. A knitted fabric as claimed in in any one of the preceding claims, wherein the monotapes of the third series have a width of approximately 1,8 mm and a thickness of approximately 0,035 mm.
11. A new knitted fabric substantially as described in the specification.
12. Aknitted fabric substantially as described in the specification, with reference to and as illustrated in the accompanying diagrammatic drawings. AMENDED SHEETS
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ZA200304030A ZA200304030B (en) | 2000-11-30 | 2003-05-23 | A knitted fabric. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ZA200007092 | 2000-11-30 | ||
ZA200304030A ZA200304030B (en) | 2000-11-30 | 2003-05-23 | A knitted fabric. |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA200304030B true ZA200304030B (en) | 2004-08-23 |
Family
ID=34083738
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA200304030A ZA200304030B (en) | 2000-11-30 | 2003-05-23 | A knitted fabric. |
Country Status (1)
Country | Link |
---|---|
ZA (1) | ZA200304030B (en) |
-
2003
- 2003-05-23 ZA ZA200304030A patent/ZA200304030B/en unknown
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