ATE80678T1 - Methode und mittel zum verhindern des verstopfens einer saugwalze einer papiermaschine. - Google Patents

Methode und mittel zum verhindern des verstopfens einer saugwalze einer papiermaschine.

Info

Publication number: ATE80678T1
Authority: AT; Austria
Prior art keywords: paper machine; suction roller; preventing clogging; suction roll; malic acid
Prior art date: 1987-11-26

Application number

AT88119671T

Other languages

English (en)

Inventor

Koji Yasuda

Yasuyuki Hirano

Original Assignee

Hakuto Kk

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.)

1987-11-26

Filing date

1988-11-25

Publication date

1992-10-15

1988-11-25 Application filed by Hakuto Kk filed Critical Hakuto Kk

1992-10-15 Application granted granted Critical

1992-10-15 Publication of ATE80678T1 publication Critical patent/ATE80678T1/de

Links

238000000034 method Methods 0.000 title abstract 2
BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 abstract 2
BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 abstract 2
235000011090 malic acid Nutrition 0.000 abstract 2
239000001630 malic acid Substances 0.000 abstract 2
238000007789 sealing Methods 0.000 abstract 2
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
239000003795 chemical substances by application Substances 0.000 abstract 1

Classifications

- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F3/00—Press section of machines for making continuous webs of paper
- D21F3/02—Wet presses
- D21F3/10—Suction rolls, e.g. couch rolls

Landscapes

Paper (AREA)
Delivering By Means Of Belts And Rollers (AREA)
Filtration Of Liquid (AREA)

AT88119671T 1987-11-26 1988-11-25 Methode und mittel zum verhindern des verstopfens einer saugwalze einer papiermaschine. ATE80678T1 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP62296079A JPH01139893A (ja)	1987-11-26	1987-11-26	抄紙機用サクションロールの目詰り防止剤及び目詰り防止方法
EP88119671A EP0324923B1 (de)	1987-11-26	1988-11-25	Methode und Mittel zum Verhindern des Verstopfens einer Saugwalze einer Papiermaschine

Publications (1)

Publication Number	Publication Date
ATE80678T1 true ATE80678T1 (de)	1992-10-15

Family

ID=17828846

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT88119671T ATE80678T1 (de)	1987-11-26	1988-11-25	Methode und mittel zum verhindern des verstopfens einer saugwalze einer papiermaschine.

Country Status (6)

Country	Link
US (1)	US4975150A (de)
EP (1)	EP0324923B1 (de)
JP (1)	JPH01139893A (de)
AT (1)	ATE80678T1 (de)
CA (1)	CA1316798C (de)
DE (1)	DE3874717T2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5728264A (en) *	1995-10-25	1998-03-17	Union Camp Patent Holding, Inc.	Avoidance of salt scaling by acidic pulp washing process
JP2887105B2 (ja) *	1996-04-24	1999-04-26	幸子林	飲料水および塩の製造方法および製造装置
CA2261085C (en)	1999-02-01	2005-01-18	Bowater Pulp And Paper Canada Inc.	High pressure reciprocating suction roll shower
US6569493B2 (en)	2000-05-15	2003-05-27	Mead Westvaco Corporation	Method of repairing a paper machine dryer journal moisture barrier
JP4925234B2 (ja) *	2001-08-10	2012-04-25	ハイモ株式会社	製紙原料処理方法
JP7016100B2 (ja) *	2020-02-04	2022-02-04	株式会社長谷川鉄工所	サクションロールにおけるシール装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1530246A (en) *	1976-04-14	1978-10-25	Valmet Oy	Method of and means for detaching and conducting a paper web in a paper-making machine
DE2627957A1 (de) *	1976-06-22	1978-01-05	Hammelmann Paul Maschf	Mit duesen ausgeruestetes spritzrohr fuer presswasser zum reinigen von sieben, filtern, filztuechern, saugwalzen o.dgl.
JPS5639800A (en) *	1979-09-07	1981-04-15	Kokusai Shiyaku Kk	Method for specific quantitative analysis of pyruvic acid
JPS602390A (ja) *	1983-06-20	1985-01-08	Canon Inc	印字面判定装置
US4661261A (en) *	1986-05-19	1987-04-28	Nalco Chemical Company	Alumina stabilization in industrial waters
US4715931A (en) *	1987-03-24	1987-12-29	Betz Laboratories, Inc.	Process for inhibiting aluminum hydroxide deposition in papermaking felts

1987
- 1987-11-26 JP JP62296079A patent/JPH01139893A/ja active Pending
1988
- 1988-11-22 CA CA000583701A patent/CA1316798C/en not_active Expired - Fee Related
- 1988-11-25 EP EP88119671A patent/EP0324923B1/de not_active Expired - Lifetime
- 1988-11-25 DE DE8888119671T patent/DE3874717T2/de not_active Expired - Fee Related
- 1988-11-25 AT AT88119671T patent/ATE80678T1/de not_active IP Right Cessation
- 1988-11-28 US US07/276,737 patent/US4975150A/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
US4975150A (en)	1990-12-04
EP0324923A1 (de)	1989-07-26
DE3874717T2 (de)	1993-03-18
EP0324923B1 (de)	1992-09-16
JPH01139893A (ja)	1989-06-01
CA1316798C (en)	1993-04-27
DE3874717D1 (de)	1992-10-22

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Legal Events

Date	Code	Title	Description
1993-03-15	RER	Ceased as to paragraph 5 lit. 3 law introducing patent treaties