GB1595558A - Methods and apparatus for forming multiply paper webs from a single headbox - Google Patents
Methods and apparatus for forming multiply paper webs from a single headbox Download PDFInfo
- Publication number
- GB1595558A GB1595558A GB10013/78A GB1001378A GB1595558A GB 1595558 A GB1595558 A GB 1595558A GB 10013/78 A GB10013/78 A GB 10013/78A GB 1001378 A GB1001378 A GB 1001378A GB 1595558 A GB1595558 A GB 1595558A
- Authority
- GB
- United Kingdom
- Prior art keywords
- stock
- ply
- jet
- slice
- forming
- 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
- 238000000034 method Methods 0.000 title claims description 14
- 239000000835 fiber Substances 0.000 claims description 20
- 239000002002 slurry Substances 0.000 claims description 18
- 238000009950 felting Methods 0.000 claims description 13
- 230000015572 biosynthetic process Effects 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 9
- 238000011144 upstream manufacturing Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 230000000750 progressive effect Effects 0.000 claims 1
- 239000000123 paper Substances 0.000 description 17
- 239000000463 material Substances 0.000 description 6
- 239000010410 layer Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- 238000005192 partition Methods 0.000 description 3
- 210000000481 breast Anatomy 0.000 description 2
- KEUKAQNPUBYCIC-UHFFFAOYSA-N ethaneperoxoic acid;hydrogen peroxide Chemical compound OO.CC(=O)OO KEUKAQNPUBYCIC-UHFFFAOYSA-N 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 230000003467 diminishing effect Effects 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 210000002787 omasum Anatomy 0.000 description 1
- 239000011087 paperboard Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F9/00—Complete machines for making continuous webs of paper
- D21F9/003—Complete machines for making continuous webs of paper of the twin-wire type
- D21F9/006—Complete machines for making continuous webs of paper of the twin-wire type paper or board consisting of two or more layers
Landscapes
- Paper (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US77758377A | 1977-03-15 | 1977-03-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1595558A true GB1595558A (en) | 1981-08-12 |
Family
ID=25110648
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB10013/78A Expired GB1595558A (en) | 1977-03-15 | 1978-03-14 | Methods and apparatus for forming multiply paper webs from a single headbox |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS53114905A (fr) |
CA (1) | CA1071912A (fr) |
ES (1) | ES467832A1 (fr) |
GB (1) | GB1595558A (fr) |
IT (1) | IT1093334B (fr) |
MX (1) | MX146918A (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5464109A (en) * | 1977-11-01 | 1979-05-23 | Hitachi Shipbuilding Eng Co | Apparatus for promorting fiber dispersion of pulp solution ejected from headbox |
NL8801566A (nl) * | 1988-06-20 | 1990-01-16 | Philips Nv | Beeldbuis voorzien van een elektromagnetische afbuigeenheid. |
-
1978
- 1978-03-02 CA CA298,101A patent/CA1071912A/fr not_active Expired
- 1978-03-13 IT IT21145/78A patent/IT1093334B/it active
- 1978-03-14 MX MX172743A patent/MX146918A/es unknown
- 1978-03-14 GB GB10013/78A patent/GB1595558A/en not_active Expired
- 1978-03-14 ES ES467832A patent/ES467832A1/es not_active Expired
- 1978-03-15 JP JP2877878A patent/JPS53114905A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
ES467832A1 (es) | 1978-11-01 |
JPS53114905A (en) | 1978-10-06 |
CA1071912A (fr) | 1980-02-19 |
MX146918A (es) | 1982-09-08 |
IT1093334B (it) | 1985-07-19 |
JPS5637359B2 (fr) | 1981-08-31 |
IT7821145A0 (it) | 1978-03-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
PE20 | Patent expired after termination of 20 years |
Effective date: 19980313 |