CA2425141A1 - Paper having improved pinhole characteristics and papermaking belt for making the same - Google Patents
Paper having improved pinhole characteristics and papermaking belt for making the same Download PDFInfo
- Publication number
- CA2425141A1 CA2425141A1 CA002425141A CA2425141A CA2425141A1 CA 2425141 A1 CA2425141 A1 CA 2425141A1 CA 002425141 A CA002425141 A CA 002425141A CA 2425141 A CA2425141 A CA 2425141A CA 2425141 A1 CA2425141 A1 CA 2425141A1
- Authority
- CA
- Canada
- Prior art keywords
- region
- essentially
- paper web
- dome
- paper
- 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
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- Paper (AREA)
Abstract
Current papermaking methods have not provided a paper in which the number of pinholes in the dome region of the finished paper web is substantially reduced. The present invention provides a paper web having two regions and comprising: an essentially continuous, essentially macroscopically monoplanar network region, and a dome region comprising a plurality of discrete domes, essentially all of said domes being dispersed throughout, encompassed by, and isolated one from another by said network region, at least about 40% of the X-Y area of each of said domes being not less than about 45 mils in each of its dimensions measured in the X-Y plane at the level of said network region, the density of said network region being greater than the density of said dome region. The resulting paper web is comprised of essentially a macroscopically monoplanar network region and a dome region in which the number of pinholes in the dome region of the finished paper web is substantially reduced.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/588,643 | 1996-01-19 | ||
US08/588,643 US5679222A (en) | 1990-06-29 | 1996-01-19 | Paper having improved pinhole characteristics and papermaking belt for making the same |
CA002243322A CA2243322C (en) | 1996-01-19 | 1997-01-16 | Paper having improved pinhole characteristics and papermaking belt for making the same |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002243322A Division CA2243322C (en) | 1996-01-19 | 1997-01-16 | Paper having improved pinhole characteristics and papermaking belt for making the same |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2425141A1 true CA2425141A1 (en) | 1997-07-24 |
CA2425141C CA2425141C (en) | 2004-12-28 |
Family
ID=25680378
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002425141A Expired - Fee Related CA2425141C (en) | 1996-01-19 | 1997-01-16 | Paper having improved pinhole characteristics and papermaking belt for making the same |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA2425141C (en) |
-
1997
- 1997-01-16 CA CA002425141A patent/CA2425141C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CA2425141C (en) | 2004-12-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |
Effective date: 20140116 |