CA2174002A1 - Papermakers fabric having a single layer of cross machine direction yarns - Google Patents
Papermakers fabric having a single layer of cross machine direction yarnsInfo
- Publication number
- CA2174002A1 CA2174002A1 CA 2174002 CA2174002A CA2174002A1 CA 2174002 A1 CA2174002 A1 CA 2174002A1 CA 2174002 CA2174002 CA 2174002 CA 2174002 A CA2174002 A CA 2174002A CA 2174002 A1 CA2174002 A1 CA 2174002A1
- Authority
- CA
- Canada
- Prior art keywords
- yarns
- fabric
- machine direction
- weave
- woven
- 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.)
- Granted
Links
- 239000004744 fabric Substances 0.000 title abstract 8
- 239000002356 single layer Substances 0.000 title 1
- 238000010276 construction Methods 0.000 abstract 1
- 230000035699 permeability Effects 0.000 abstract 1
Landscapes
- Woven Fabrics (AREA)
- Paper (AREA)
Abstract
The present invention is directed to a papermakers fabric which provides for usage of high aspect ratio yarns as structured weave components. The fabric comprises a system of flat monofilament machine direction yarns (hereinafter MD yarns) which are woven in a selected weave construction which provides stability to the fabric. In a preferred embodiment, the system of MD yarns comprises upper and lower yarns which are vertically stacked. Preferably, the upper MD yarns define floats on the upper surface of the fabric and each upper MD yarn is paired in a vertically stacked orientation with a lower MD yarn. the lower MD yarns may weave in an inverted image of the upper MD yarns to provide floats on the bottom fabric surface or may weave with a different repeat to provide a different surface on the bottom of the fabric.
At least the upper MD yarns are flat monofilament yarns woven contiguous with each other to reduce the permeability of the fabric and to lock in the machine direction alignment of the stacking pairs of MD
yarns. In the preferred embodiment, the same type and size yarns are used throughout the machine direction yarn system and both the top and the bottom MD yarns weave contiguously with adjacent top and bottom MD
yarns, respectively. The stacked, contiguous woven machine direction system provides stability and permits the MD yarns to have a relatively high aspect ratio, cross-sectional width to height, of greater than 3:1.
At least the upper MD yarns are flat monofilament yarns woven contiguous with each other to reduce the permeability of the fabric and to lock in the machine direction alignment of the stacking pairs of MD
yarns. In the preferred embodiment, the same type and size yarns are used throughout the machine direction yarn system and both the top and the bottom MD yarns weave contiguously with adjacent top and bottom MD
yarns, respectively. The stacked, contiguous woven machine direction system provides stability and permits the MD yarns to have a relatively high aspect ratio, cross-sectional width to height, of greater than 3:1.
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/534,164 US5103874A (en) | 1990-06-06 | 1990-06-06 | Papermakers fabric with stacked machine direction yarns |
| US07/534,164 | 1990-06-06 | ||
| US07/567,974 US5092373A (en) | 1990-06-06 | 1990-08-15 | Papermakers fabric with orthogonal machine direction yarn seaming loops |
| US07/567,974 | 1990-08-15 | ||
| US07/654,008 | 1991-02-14 | ||
| US07/654,008 US5117865A (en) | 1990-06-06 | 1991-02-14 | Papermakers fabric with flat high aspect ratio yarns |
| CA002084054A CA2084054C (en) | 1990-06-06 | 1991-03-15 | Papermakers fabric with flat machine direction yarns |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002084054A Division CA2084054C (en) | 1990-06-06 | 1991-03-15 | Papermakers fabric with flat machine direction yarns |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2174002A1 true CA2174002A1 (en) | 1991-12-07 |
| CA2174002C CA2174002C (en) | 1999-02-09 |
Family
ID=27426984
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002174002A Expired - Lifetime CA2174002C (en) | 1990-06-06 | 1991-03-15 | Papermakers fabric having a single layer of cross machine direction yarns |
| CA002174001A Expired - Lifetime CA2174001C (en) | 1990-06-06 | 1991-03-15 | Papermakers fabric with flat high aspect ratio yarns |
| CA002174003A Expired - Lifetime CA2174003C (en) | 1990-06-06 | 1991-03-15 | Papermakers fabric with orthogonal machine direction yarn seaming loops |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002174001A Expired - Lifetime CA2174001C (en) | 1990-06-06 | 1991-03-15 | Papermakers fabric with flat high aspect ratio yarns |
| CA002174003A Expired - Lifetime CA2174003C (en) | 1990-06-06 | 1991-03-15 | Papermakers fabric with orthogonal machine direction yarn seaming loops |
Country Status (1)
| Country | Link |
|---|---|
| CA (3) | CA2174002C (en) |
-
1991
- 1991-03-15 CA CA002174002A patent/CA2174002C/en not_active Expired - Lifetime
- 1991-03-15 CA CA002174001A patent/CA2174001C/en not_active Expired - Lifetime
- 1991-03-15 CA CA002174003A patent/CA2174003C/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CA2174003C (en) | 1999-02-09 |
| CA2174001A1 (en) | 1991-12-07 |
| CA2174001C (en) | 1999-02-09 |
| CA2174002C (en) | 1999-02-09 |
| CA2174003A1 (en) | 1991-12-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKEX | Expiry |