GB1374965A - Porous coating web material and method for its manufacture - Google Patents
Porous coating web material and method for its manufactureInfo
- Publication number
- GB1374965A GB1374965A GB2425773A GB2425773A GB1374965A GB 1374965 A GB1374965 A GB 1374965A GB 2425773 A GB2425773 A GB 2425773A GB 2425773 A GB2425773 A GB 2425773A GB 1374965 A GB1374965 A GB 1374965A
- Authority
- GB
- United Kingdom
- Prior art keywords
- web
- drying
- fibres
- coating
- passing
- 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
Links
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F5/00—Dryer section of machines for making continuous webs of paper
- D21F5/18—Drying webs by hot air
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F5/00—Dryer section of machines for making continuous webs of paper
- D21F5/02—Drying on cylinders
Landscapes
- Paper (AREA)
Abstract
1374965 Paper DEXTER CORP 22 May 1973 [22 May 1972] 24257/73 Heading D2B [Also in Division F4] A wet fibrous highly porous web is placed in intimate, full surface contact with a permeable support and held in position for passing drying gas therethrough to dry the web to stabilization whereupon the restrainment is removed, the web having a densometer value of less than lsu/100 ml measured by TAPPI test method T460 or -68. The web is base stock material e.g. stencil tissue, paper webs for casing, tape, &c., and comprises long unhydrated natural fibres from a highly dilute aqueous suspension or dispersion formed into a lightweight web on a papermaking machine e.g. an inclined wire type. The fibres are vegetable and of the Musa family e.g. abaca or Manila hemp 4 to 7mm long, cylindrical and less than 30 microns in diam. These may have added thereto, or be replaced by other naturral fibres e.g. jute, caroa, sisal, various wood pulps such as bleached or unbleached kraft, or synthetic fibres e.g. rayon, nylon, polyesters, vinyl copolymers &c. After dispersion, the web is at least 65% of water by weight. Drying is carried out using a foraminous carrier and a continuous flow of gas at preferably 200 to 450F forcing the web onto the carrier and passing through the web. Preferably a vacuum may exist under the carrier to aid web restraint. The drying may also be used for rewet webs having 50% of water by weight. After drying, the web is stabilized at 8% of water by weight, or less, and is coated after passing through guide rolls, e.g. by roller coating, fountain coating, or spray coating, a reverse coating roll and bar succeeding the coating operation to remove excess. The web is passed through a tunnel oven and is dried in a stream of hot air.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00255528A US3822182A (en) | 1972-05-22 | 1972-05-22 | Drying of fibrous,porous coating base wet material by percolation of hot gas therethrough |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1374965A true GB1374965A (en) | 1974-11-20 |
Family
ID=22968739
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2425773A Expired GB1374965A (en) | 1972-05-22 | 1973-05-22 | Porous coating web material and method for its manufacture |
Country Status (7)
Country | Link |
---|---|
US (1) | US3822182A (en) |
JP (1) | JPS4941610A (en) |
CA (1) | CA974104A (en) |
DE (1) | DE2325649C3 (en) |
FR (1) | FR2185722B1 (en) |
GB (1) | GB1374965A (en) |
SE (1) | SE389142B (en) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS507470Y1 (en) * | 1968-07-18 | 1975-03-05 | ||
US4473440A (en) * | 1982-09-24 | 1984-09-25 | Johnson & Johnson Inc. | Calendered peat moss board |
JPH0760689B2 (en) * | 1989-11-08 | 1995-06-28 | 松下電器産業株式会社 | Thermal battery |
US6149767A (en) * | 1997-10-31 | 2000-11-21 | Kimberly-Clark Worldwide, Inc. | Method for making soft tissue |
US6143135A (en) | 1996-05-14 | 2000-11-07 | Kimberly-Clark Worldwide, Inc. | Air press for dewatering a wet web |
US6083346A (en) * | 1996-05-14 | 2000-07-04 | Kimberly-Clark Worldwide, Inc. | Method of dewatering wet web using an integrally sealed air press |
US6096169A (en) * | 1996-05-14 | 2000-08-01 | Kimberly-Clark Worldwide, Inc. | Method for making cellulosic web with reduced energy input |
US6187137B1 (en) | 1997-10-31 | 2001-02-13 | Kimberly-Clark Worldwide, Inc. | Method of producing low density resilient webs |
US6197154B1 (en) | 1997-10-31 | 2001-03-06 | Kimberly-Clark Worldwide, Inc. | Low density resilient webs and methods of making such webs |
US6306257B1 (en) | 1998-06-17 | 2001-10-23 | Kimberly-Clark Worldwide, Inc. | Air press for dewatering a wet web |
US6280573B1 (en) | 1998-08-12 | 2001-08-28 | Kimberly-Clark Worldwide, Inc. | Leakage control system for treatment of moving webs |
US6318727B1 (en) | 1999-11-05 | 2001-11-20 | Kimberly-Clark Worldwide, Inc. | Apparatus for maintaining a fluid seal with a moving substrate |
US8129297B2 (en) * | 2002-07-29 | 2012-03-06 | E. I. Du Pont De Nemours And Company | Method and apparatus for heating nonwoven webs |
US7468117B2 (en) * | 2005-04-29 | 2008-12-23 | Kimberly-Clark Worldwide, Inc. | Method of transferring a wet tissue web to a three-dimensional fabric |
CN103320965A (en) * | 2013-06-04 | 2013-09-25 | 揭阳市洁新纸业股份有限公司 | Hot-air-penetrated leather paper forming method and leather paper produced through same |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3303576A (en) * | 1965-05-28 | 1967-02-14 | Procter & Gamble | Apparatus for drying porous paper |
-
1972
- 1972-05-22 US US00255528A patent/US3822182A/en not_active Expired - Lifetime
-
1973
- 1973-03-27 CA CA167,141*7A patent/CA974104A/en not_active Expired
- 1973-05-16 FR FR7319247A patent/FR2185722B1/fr not_active Expired
- 1973-05-17 SE SE7306957A patent/SE389142B/en unknown
- 1973-05-21 DE DE2325649A patent/DE2325649C3/en not_active Expired
- 1973-05-21 JP JP48055753A patent/JPS4941610A/ja active Pending
- 1973-05-22 GB GB2425773A patent/GB1374965A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2325649A1 (en) | 1973-12-06 |
US3822182A (en) | 1974-07-02 |
JPS4941610A (en) | 1974-04-19 |
DE2325649B2 (en) | 1979-01-25 |
FR2185722A1 (en) | 1974-01-04 |
FR2185722B1 (en) | 1977-02-11 |
CA974104A (en) | 1975-09-09 |
DE2325649C3 (en) | 1979-09-20 |
SE389142B (en) | 1976-10-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PLE | Entries relating assignments, transmissions, licences in the register of patents | ||
PCNP | Patent ceased through non-payment of renewal fee |