FI894624A7 - BLAOSNINGSLAODA. - Google Patents
BLAOSNINGSLAODA.Info
- Publication number
- FI894624A7 FI894624A7 FI894624A FI894624A FI894624A7 FI 894624 A7 FI894624 A7 FI 894624A7 FI 894624 A FI894624 A FI 894624A FI 894624 A FI894624 A FI 894624A FI 894624 A7 FI894624 A7 FI 894624A7
- Authority
- FI
- Finland
- Prior art keywords
- blowing box
- web
- fabric
- roll surface
- blowing
- Prior art date
Links
- 238000007664 blowing Methods 0.000 abstract 5
- 238000001035 drying Methods 0.000 abstract 2
- 239000004744 fabric Substances 0.000 abstract 2
- 238000005452 bending Methods 0.000 abstract 1
- 230000002452 interceptive effect Effects 0.000 abstract 1
- 238000009423 ventilation Methods 0.000 abstract 1
Landscapes
- Paper (AREA)
- Drying Of Solid Materials (AREA)
Abstract
Blowing box intended for use for pocket ventilation and/or in the drying part of the paper machine to prevent phenomena that have an interfering effect on mutual contact between web W and a fabric like a drying wire 13, especially to prevent an overpressure from being formed in the gaps bounded by the fabric 13 and cylinder 12 or the roll surface, i.e., nip N+. The blowing box 20 extends over the entire width of web W and is connected to devices that produce blowing air and is equipped with at least one nozzle opening 27a, 27b that is transversely directed relative to the running and longitudinal direction of the web. To reduce bending on the elongated blowing box 20, the blowing box 20 is supported in addition to its end supports 35a, 36a, 35b, 36b also with one or more arrangements of support devices 30a, 30b, 30c, 30d whose rotating support rolls and/or slide shoes are supported against the opposite free cylinder or roll surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI894624A FI81856C (en) | 1989-09-29 | 1989-09-29 | BLAOSNINGSLAODA. |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI894624 | 1989-09-29 | ||
| FI894624A FI81856C (en) | 1989-09-29 | 1989-09-29 | BLAOSNINGSLAODA. |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| FI894624A0 FI894624A0 (en) | 1989-09-29 |
| FI894624A7 true FI894624A7 (en) | 1990-08-31 |
| FI81856B FI81856B (en) | 1990-08-31 |
| FI81856C FI81856C (en) | 1990-12-10 |
Family
ID=8529075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI894624A FI81856C (en) | 1989-09-29 | 1989-09-29 | BLAOSNINGSLAODA. |
Country Status (1)
| Country | Link |
|---|---|
| FI (1) | FI81856C (en) |
-
1989
- 1989-09-29 FI FI894624A patent/FI81856C/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FI81856C (en) | 1990-12-10 |
| FI81856B (en) | 1990-08-31 |
| FI894624A0 (en) | 1989-09-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM | Patent lapsed |
Owner name: VALMET PAPER MACHINERY INC |