FI894624A - BLAOSNINGSLAODA. - Google Patents

BLAOSNINGSLAODA.

Info

Publication number
FI894624A
FI894624A FI894624A FI894624A FI894624A FI 894624 A FI894624 A FI 894624A FI 894624 A FI894624 A FI 894624A FI 894624 A FI894624 A FI 894624A FI 894624 A FI894624 A FI 894624A
Authority
FI
Finland
Prior art keywords
blowing box
web
fabric
roll surface
blowing
Prior art date
Application number
FI894624A
Other languages
Finnish (fi)
Other versions
FI81856B (en
FI81856C (en
FI894624A0 (en
Inventor
Antti Kuhasalo
Original Assignee
Valmet Paper Machinery Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Valmet Paper Machinery Inc filed Critical Valmet Paper Machinery Inc
Priority to FI894624A priority Critical patent/FI81856C/en
Publication of FI894624A0 publication Critical patent/FI894624A0/en
Publication of FI894624A publication Critical patent/FI894624A/en
Publication of FI81856B publication Critical patent/FI81856B/en
Application granted granted Critical
Publication of FI81856C publication Critical patent/FI81856C/en

Links

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.
FI894624A 1989-09-29 1989-09-29 Blow Box FI81856C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FI894624A FI81856C (en) 1989-09-29 1989-09-29 Blow Box

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI894624 1989-09-29
FI894624A FI81856C (en) 1989-09-29 1989-09-29 Blow Box

Publications (4)

Publication Number Publication Date
FI894624A0 FI894624A0 (en) 1989-09-29
FI894624A true FI894624A (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 Blow Box

Country Status (1)

Country Link
FI (1) FI81856C (en)

Also Published As

Publication number Publication date
FI81856B (en) 1990-08-31
FI81856C (en) 1990-12-10
FI894624A0 (en) 1989-09-29

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: VALMET PAPER MACHINERY INC