DE3270424D1 - Low density nonwoven sheets - Google Patents

Low density nonwoven sheets

Info

Publication number
DE3270424D1
DE3270424D1 DE8282304543T DE3270424T DE3270424D1 DE 3270424 D1 DE3270424 D1 DE 3270424D1 DE 8282304543 T DE8282304543 T DE 8282304543T DE 3270424 T DE3270424 T DE 3270424T DE 3270424 D1 DE3270424 D1 DE 3270424D1
Authority
DE
Germany
Prior art keywords
low density
nonwoven sheets
density nonwoven
sheets
low
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
Application number
DE8282304543T
Other languages
English (en)
Inventor
Wesley Memeger
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Application granted granted Critical
Publication of DE3270424D1 publication Critical patent/DE3270424D1/de
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H5/00—Special paper or cardboard not otherwise provided for
    • D21H5/12—Special paper or cardboard not otherwise provided for characterised by the use of special fibrous materials
    • 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
    • D21F11/006—Making patterned paper
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
DE8282304543T 1981-08-28 1982-08-27 Low density nonwoven sheets Expired DE3270424D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US29727181A 1981-08-28 1981-08-28

Publications (1)

Publication Number Publication Date
DE3270424D1 true DE3270424D1 (en) 1986-05-15

Family

ID=23145591

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8282304543T Expired DE3270424D1 (en) 1981-08-28 1982-08-27 Low density nonwoven sheets

Country Status (13)

Country Link
EP (1) EP0073668B1 (de)
JP (1) JPS5842000A (de)
AR (1) AR231006A1 (de)
AT (1) ATE19113T1 (de)
AU (1) AU563916B2 (de)
BR (1) BR8204930A (de)
CA (1) CA1186929A (de)
DE (1) DE3270424D1 (de)
DK (1) DK385182A (de)
ES (1) ES515329A0 (de)
GR (1) GR77245B (de)
IE (1) IE53194B1 (de)
MX (1) MX158026A (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59192795A (ja) * 1983-04-15 1984-11-01 三菱製紙株式会社 成形プレス用耐熱クツシヨン材
BR8402613A (pt) * 1983-06-02 1985-04-30 Du Pont Estrutura em folha de falso tecido de baixa densidade e processo aperfeicoado para sua preparacao
US4472241A (en) * 1983-06-15 1984-09-18 E. I. Du Pont De Nemours And Company Co-refining of aramid fibrids and floc
JPS61167070A (ja) * 1985-01-15 1986-07-28 呉羽センイ株式会社 樹脂含浸基材用不織布
JPH0751334B2 (ja) * 1991-10-07 1995-06-05 孝夫 高橋 段ボール紙の加工機
US8168039B2 (en) 2005-05-26 2012-05-01 E. I. Du Pont De Nemours And Company Electroconductive aramid paper and tape made therefrom
US20060266486A1 (en) * 2005-05-26 2006-11-30 Levit Mikhail R Electroconductive aramid paper

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1957913A (en) * 1932-11-18 1934-05-08 Charles W Smith Process for making paper
NL246230A (de) * 1958-12-09
USRE30061E (en) * 1966-07-26 1979-07-31 Johnson & Johnson Nonwoven fibrous product and method of making the same
US3756908A (en) * 1971-02-26 1973-09-04 Du Pont Synthetic paper structures of aromatic polyamides
JPS5052304A (de) * 1973-09-13 1975-05-09
JPS5540878A (en) * 1978-09-19 1980-03-22 Takasaki Paper Mfg Method and apparatus for producing porous thick fibrous composite material

Also Published As

Publication number Publication date
ES8308374A1 (es) 1983-08-16
ES515329A0 (es) 1983-08-16
CA1186929A (en) 1985-05-14
BR8204930A (pt) 1983-08-02
IE822046L (en) 1983-02-28
AU8770682A (en) 1983-03-03
ATE19113T1 (de) 1986-04-15
AR231006A1 (es) 1984-08-31
IE53194B1 (en) 1988-08-17
AU563916B2 (en) 1987-07-30
DK385182A (da) 1983-03-01
JPS5842000A (ja) 1983-03-11
EP0073668A1 (de) 1983-03-09
EP0073668B1 (de) 1986-04-09
GR77245B (de) 1984-09-11
MX158026A (es) 1988-12-29

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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