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DE59500454D1 - Process for producing foamed material from waste paper and the like - Google Patents

Process for producing foamed material from waste paper and the like

Info

Publication number
DE59500454D1
DE59500454D1 DE59500454T DE59500454T DE59500454D1 DE 59500454 D1 DE59500454 D1 DE 59500454D1 DE 59500454 T DE59500454 T DE 59500454T DE 59500454 T DE59500454 T DE 59500454T DE 59500454 D1 DE59500454 D1 DE 59500454D1
Authority
DE
Germany
Prior art keywords
pulp
radiation
waste paper
prodn
pref
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 - Fee Related
Application number
DE59500454T
Other languages
German (de)
Inventor
Norbert Dr Ing Habelski
Edgar Dr Ing Brandauer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
VODERMAIR HERRMANN
Original Assignee
VODERMAIR HERRMANN
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 VODERMAIR HERRMANN filed Critical VODERMAIR HERRMANN
Application granted granted Critical
Publication of DE59500454D1 publication Critical patent/DE59500454D1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21J—FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
    • D21J1/00—Fibreboard
    • D21J1/06—Drying
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
    • D21F11/002—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines by using a foamed suspension
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F5/00—Dryer section of machines for making continuous webs of paper
    • D21F5/16—Drying webs by electrical heating
    • D21F5/167—Microwave heating

Landscapes

  • Paper (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

Prodn. of foam material from waste paper etc. in any shape entails preliminary prodn. steps leading to a fluid, pref. water, based pulp from the raw material. Additives may be supplied to achieve the required characteristics of the finished product. Here, the foaming and solidification of the pulp results from the effect of microwave radiation. Pref. the required quantity paper pulp is introduced in any shape and following microwave radiation is released from its mould. This is made of microwave transparent material in the radiation area, does not couple with the radiation and does not impede the expansion of the paper pulp or the fluid vaporisation through the mould.
DE59500454T 1994-02-11 1995-02-07 Process for producing foamed material from waste paper and the like Expired - Fee Related DE59500454D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4404322A DE4404322A1 (en) 1994-02-11 1994-02-11 Process for the production of foamed material from waste paper and the like the like

Publications (1)

Publication Number Publication Date
DE59500454D1 true DE59500454D1 (en) 1997-09-11

Family

ID=6510008

Family Applications (2)

Application Number Title Priority Date Filing Date
DE4404322A Withdrawn DE4404322A1 (en) 1994-02-11 1994-02-11 Process for the production of foamed material from waste paper and the like the like
DE59500454T Expired - Fee Related DE59500454D1 (en) 1994-02-11 1995-02-07 Process for producing foamed material from waste paper and the like

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE4404322A Withdrawn DE4404322A1 (en) 1994-02-11 1994-02-11 Process for the production of foamed material from waste paper and the like the like

Country Status (7)

Country Link
EP (1) EP0671504B1 (en)
AT (1) ATE156541T1 (en)
CA (1) CA2142222C (en)
DE (2) DE4404322A1 (en)
DK (1) DK0671504T3 (en)
FI (1) FI105280B (en)
NO (1) NO307191B1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5707579A (en) * 1994-02-11 1998-01-13 Schweitzer, Vodermair & Schimmer-Wottrich Gbr Process for producing foamed material from waste paper and the like
DE19546295A1 (en) * 1995-12-12 1997-06-19 Schweitzer Jacob Prodn. of cellulose-based foam prods. with defined properties
DE19546296A1 (en) * 1995-05-02 1996-11-07 Schweitzer Jacob Prodn. of cellulose-based foam prods. with defined properties
EP0740990A3 (en) * 1995-05-02 1997-05-28 Schweitzer Jacob Process for defining the various properties of cellulose containing foams
KR100232121B1 (en) * 1997-06-10 1999-12-01 허방욱 A new manufacturing method of adiabatic material
DE10312758A1 (en) * 2003-03-21 2004-09-30 Saueressig Gmbh & Co. Manufacturing process for absorbent fiber product and absorbent fiber product
WO2005007968A1 (en) * 2003-07-16 2005-01-27 Fira International Limited Recycling of lignocellulose based board materials
KR102686169B1 (en) 2015-11-03 2024-07-19 킴벌리-클라크 월드와이드, 인크. Paper tissue with high bulk and low lint
GB201612889D0 (en) * 2016-07-26 2016-09-07 Natural Resources (2000) Ltd Moulding of articles
CN111247280B (en) 2017-11-29 2021-08-17 金伯利-克拉克环球有限公司 Fibrous sheet with improved properties
BR112021001335B1 (en) 2018-07-25 2024-03-05 Kimberly-Clark Worldwide, Inc METHOD FOR MAKING A THREE-DIMENSIONAL (3D) NON-WOVEN ABSORBENT SUBSTRATE

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR873763A (en) * 1939-09-20 1942-07-20 New fibrous product and manufacturing process
DE3420195A1 (en) * 1984-05-30 1985-12-12 Friedrich 2807 Achim Priehs Process for producing insulating material from scrap paper and/or cardboard
DE4105245C1 (en) * 1991-02-20 1992-10-22 Viessmann Werke Gmbh & Co, 3559 Allendorf, De Rapidly drying moulded bodies - formed by suction on fibrous sludge, placed in enclosed zone at low-pressure
DE4207233A1 (en) * 1992-03-07 1993-11-18 Geier Henninger Kurt Prodn. of porous filter body for exhaust gas - by saturating paper and/or cardboard material with water, stirring and drying or hardening obtd. foamed pulp

Also Published As

Publication number Publication date
FI105280B (en) 2000-07-14
DE4404322A1 (en) 1995-08-17
NO950510D0 (en) 1995-02-10
FI950589A (en) 1995-08-12
NO950510L (en) 1995-08-14
FI950589A0 (en) 1995-02-10
CA2142222A1 (en) 1995-08-12
DK0671504T3 (en) 1998-03-02
CA2142222C (en) 2000-11-07
NO307191B1 (en) 2000-02-21
EP0671504A1 (en) 1995-09-13
ATE156541T1 (en) 1997-08-15
EP0671504B1 (en) 1997-08-06

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee