GB770240A - Machine for the manufacture of paper and fibrous cellulose webs - Google Patents
Machine for the manufacture of paper and fibrous cellulose websInfo
- Publication number
- GB770240A GB770240A GB8518/55A GB851855A GB770240A GB 770240 A GB770240 A GB 770240A GB 8518/55 A GB8518/55 A GB 8518/55A GB 851855 A GB851855 A GB 851855A GB 770240 A GB770240 A GB 770240A
- Authority
- GB
- United Kingdom
- Prior art keywords
- suction
- paper
- control
- march
- roll
- 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
- D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
- D21G9/00—Other accessories for paper-making machines
- D21G9/0009—Paper-making control systems
- D21G9/0036—Paper-making control systems controlling the press or drying section
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
- D21D5/00—Purification of the pulp suspension by mechanical means; Apparatus therefor
- D21D5/02—Straining or screening the pulp
- D21D5/04—Flat screens
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F1/00—Wet end of machines for making continuous webs of paper
- D21F1/48—Suction apparatus
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
Abstract
770,240. Suction control in paper-making machines. SULZER FRERES SOC. ANON. March 23, 1955 [March 23, 1954], No. 8518/55. Class 96. Suction boxes of the wire and wet press sections of a Fourdrinier paper-making machine are connected to a rotary compressor 22 acting as a suction pump, one such suction box 5 contained in a pick-up roll 4 at the couch end of the wire having its suction controlled automatically as a function of the suction in another suction box or, alternatively, by setting, e.g. an hydraulic control 59 having its suction controlled by hand. Servo-motors 52, 54, 57 control suction throttles 53, 55, 58 for suction boxes 5, 17, 18, 19, 20, e.g. in accordance with the position of a double piston 36, 37, &c. If the web breaks, pressure rises in bellows 31, pushing up the pistons 36, 37 and the roll 4 may be raised away from the couch.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH770240X | 1954-03-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB770240A true GB770240A (en) | 1957-03-20 |
Family
ID=4535333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB8518/55A Expired GB770240A (en) | 1954-03-23 | 1955-03-23 | Machine for the manufacture of paper and fibrous cellulose webs |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB770240A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3085347A (en) * | 1960-03-09 | 1963-04-16 | Beloit Iron Works | Web breaking control in drying apparatus |
| CN105544270A (en) * | 2016-02-01 | 2016-05-04 | 侯俊民 | Piston-type vacuum dehydration system |
-
1955
- 1955-03-23 GB GB8518/55A patent/GB770240A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3085347A (en) * | 1960-03-09 | 1963-04-16 | Beloit Iron Works | Web breaking control in drying apparatus |
| CN105544270A (en) * | 2016-02-01 | 2016-05-04 | 侯俊民 | Piston-type vacuum dehydration system |
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