FI762827A - Daempningssystem foer tryckvariationerna i massasuspensionsstroemningen i den hydrauliska inloppslaodan hos en pappersmaskin - Google Patents

Daempningssystem foer tryckvariationerna i massasuspensionsstroemningen i den hydrauliska inloppslaodan hos en pappersmaskin

Info

Publication number
FI762827A
FI762827A FI762827A FI762827A FI762827A FI 762827 A FI762827 A FI 762827A FI 762827 A FI762827 A FI 762827A FI 762827 A FI762827 A FI 762827A FI 762827 A FI762827 A FI 762827A
Authority
FI
Finland
Prior art keywords
tryckvariationerna
massasuspensionsstroemningen
inloppslaodan
hydrauliska
daempningssystem
Prior art date
Application number
FI762827A
Other languages
English (en)
Other versions
FI57281C (fi
FI57281B (fi
Inventor
Alvi Kirjavainen
Original Assignee
Valmet Oy
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 Oy filed Critical Valmet Oy
Priority to FI762827A priority Critical patent/FI57281C/fi
Priority to AT700677A priority patent/AT361771B/de
Priority to GB40934/77A priority patent/GB1559033A/en
Priority to NO773383A priority patent/NO773383L/no
Priority to SE7711097A priority patent/SE7711097L/
Priority to CA288,049A priority patent/CA1092404A/en
Priority to DE19772744512 priority patent/DE2744512A1/de
Priority to JP11913277A priority patent/JPS5370106A/ja
Priority to BR7706646A priority patent/BR7706646A/pt
Priority to FR7729977A priority patent/FR2367142A1/fr
Priority to SU772527553A priority patent/SU694087A3/ru
Priority to US05/839,503 priority patent/US4166759A/en
Priority to IT28283/77A priority patent/IT1088956B/it
Publication of FI762827A publication Critical patent/FI762827A/fi
Application granted granted Critical
Publication of FI57281B publication Critical patent/FI57281B/fi
Publication of FI57281C publication Critical patent/FI57281C/fi

Links

Classifications

    • 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
    • D21F1/02—Head boxes of Fourdrinier machines
    • 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
    • D21F1/06—Regulating pulp flow
FI762827A 1976-10-05 1976-10-05 Daempningssystem foer tryckvariationer i massasuspensionsstroemningen i den hydrauliska inloppslaodan hos en pappersmaskin FI57281C (fi)

Priority Applications (13)

Application Number Priority Date Filing Date Title
FI762827A FI57281C (fi) 1976-10-05 1976-10-05 Daempningssystem foer tryckvariationer i massasuspensionsstroemningen i den hydrauliska inloppslaodan hos en pappersmaskin
AT700677A AT361771B (de) 1976-10-05 1977-09-30 Daempfungseinrichtung fuer die druckschwankungen der stoffsuspensionsstroemung im stoffauflauf einer papiermaschine
GB40934/77A GB1559033A (en) 1976-10-05 1977-10-03 Means for damping pressure varaitions un pulp in paper-making machine head boxes
SE7711097A SE7711097L (sv) 1976-10-05 1977-10-04 System for att dempa tryckvariationer i massasuspensionsstrommen i en hydraulisk inloppslada i en pappersmaskin
CA288,049A CA1092404A (en) 1976-10-05 1977-10-04 Paper machine headbox having a damping system for pressure variations in a pulp suspension flow
DE19772744512 DE2744512A1 (de) 1976-10-05 1977-10-04 Daempfungssystem fuer druckvariationen der stoffsuspensionsstroemung im hydraulischen stoffauflaufkasten einer papiermaschine
NO773383A NO773383L (no) 1976-10-05 1977-10-04 System for dempning av trykkvariasjoner i en papirmaskin
BR7706646A BR7706646A (pt) 1976-10-05 1977-10-05 Sistema amortecedor para as variacoes de pressao no fluxo de suspensao do polpa na caixa de comando hidraulica de uma maquina de fazer papel
FR7729977A FR2367142A1 (fr) 1976-10-05 1977-10-05 Systeme amortisseur des variations de pressions de l'ecoulement de suspension de pulpe dans la boite de tete hydraulique d'une machine a papier
SU772527553A SU694087A3 (ru) 1976-10-05 1977-10-05 Напорный щик бумагоделательной машины
US05/839,503 US4166759A (en) 1976-10-05 1977-10-05 Apparatus for damping pulp stock pressure fluctuations in a headbox
IT28283/77A IT1088956B (it) 1976-10-05 1977-10-05 Sistema smorzatore delle variazioni di pressione nella corrente di una pasta in sospensione nella cassa di testa idraulica di una macchina per carta
JP11913277A JPS5370106A (en) 1976-10-05 1977-10-05 Apparatus for attenuating pressure change of pulp suspension within head box in paper making machine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI762827 1976-10-05
FI762827A FI57281C (fi) 1976-10-05 1976-10-05 Daempningssystem foer tryckvariationer i massasuspensionsstroemningen i den hydrauliska inloppslaodan hos en pappersmaskin

Publications (3)

Publication Number Publication Date
FI762827A true FI762827A (fi) 1978-04-06
FI57281B FI57281B (fi) 1980-03-31
FI57281C FI57281C (fi) 1980-07-10

Family

ID=8510307

Family Applications (1)

Application Number Title Priority Date Filing Date
FI762827A FI57281C (fi) 1976-10-05 1976-10-05 Daempningssystem foer tryckvariationer i massasuspensionsstroemningen i den hydrauliska inloppslaodan hos en pappersmaskin

Country Status (13)

Country Link
US (1) US4166759A (fi)
JP (1) JPS5370106A (fi)
AT (1) AT361771B (fi)
BR (1) BR7706646A (fi)
CA (1) CA1092404A (fi)
DE (1) DE2744512A1 (fi)
FI (1) FI57281C (fi)
FR (1) FR2367142A1 (fi)
GB (1) GB1559033A (fi)
IT (1) IT1088956B (fi)
NO (1) NO773383L (fi)
SE (1) SE7711097L (fi)
SU (1) SU694087A3 (fi)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI771209A (fi) * 1977-04-15 1978-10-16 Valmet Oy Inloppslaoda i pappersmaskin foersett med luftbehaollare foer utjaemning av tryckvariationer i massasuspensionstroemmen
FI61737C (fi) * 1980-12-17 1982-09-10 Valmet Oy Reglerbar inloppslaoda foer pappersmaskin
FI61056C (fi) * 1981-01-26 1982-05-10 Ahlstroem Oy Daempningssystem foer en inloppslaoda i en pappersmaskin
IT1190988B (it) * 1982-09-07 1988-02-24 Mondadori Editore Spa Dispositivo e procedimento di attenuazione di pulsazioni di pressione in fluidi,in particolare per macchine continue di produzione di nastri di carta
FI84920C (fi) * 1988-05-27 1992-02-10 Valmet Ahlstroem Inc Hydraulisk inloppslaoda i pappers- eller kartongmaskin.
DE4237308A1 (en) * 1992-11-05 1993-04-08 Voith Gmbh J M Paper-making stock inlet - has a membrane in hollow zone to form another zone filled with dampening medium to suppress pulsation
DE19718034A1 (de) * 1997-04-29 1998-11-05 Voith Sulzer Papiermasch Gmbh Stoffauflauf mit Dämpfungsverteiler
SE530972C2 (sv) * 2007-03-01 2008-11-04 Metso Paper Inc Fördelningsenhet i en inloppslåda till en avvattningspress och dess användning
EP3757288B1 (en) 2019-06-28 2022-04-27 Wetend Technologies Oy A method of and an arrangement for adding a chemical to an approach flow system of a fiber web machine
WO2023198545A2 (de) 2022-04-12 2023-10-19 Voith Patent Gmbh Dämpfungsvorrichtung und membrane für einen stoffauflauf einer maschine zur herstellung einer faserstoffbahn

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2448118A (en) * 1945-05-18 1948-08-31 Gulf Oil Corp Pulsation absorber
US2535732A (en) * 1946-02-13 1950-12-26 Beloit Iron Works Sealed wet end for paper machines
US3130751A (en) * 1962-05-16 1964-04-28 Time Inc Apparatus for damping pulses in a fluid
US3563852A (en) * 1967-08-11 1971-02-16 Black Clawson Co Headbox for twin wire paper making apparatus
SE365009B (fi) * 1968-09-24 1974-03-11 Ahlstroem Oy
US3573160A (en) * 1969-01-29 1971-03-30 Kasimir Lopas Tapered manifold stock distribution system for a papermaking machine with movable wall therein
US3802960A (en) * 1972-04-12 1974-04-09 Scott Paper Co Method and apparatus for conditioning paper stock flowing to papermaking machine
US4030971A (en) * 1974-12-13 1977-06-21 Beloit Corporation System compensating for pressure fluctuations in a paper machine headbox
FI50650C (fi) * 1975-02-25 1976-05-10 Valmet Oy Paperikoneen hydraulinen perälaatikko.

Also Published As

Publication number Publication date
FI57281C (fi) 1980-07-10
JPS5370106A (en) 1978-06-22
NO773383L (no) 1978-04-06
ATA700677A (de) 1980-08-15
SE7711097L (sv) 1978-04-06
IT1088956B (it) 1985-06-10
DE2744512A1 (de) 1978-04-06
AT361771B (de) 1981-03-25
FR2367142A1 (fr) 1978-05-05
BR7706646A (pt) 1978-06-27
US4166759A (en) 1979-09-04
FI57281B (fi) 1980-03-31
CA1092404A (en) 1980-12-30
SU694087A3 (ru) 1979-10-25
GB1559033A (en) 1980-01-09

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: VALMET OY