CA1110892A - Process for making a cellulosic product - Google Patents

Process for making a cellulosic product

Info

Publication number
CA1110892A
CA1110892A CA301,751A CA301751A CA1110892A CA 1110892 A CA1110892 A CA 1110892A CA 301751 A CA301751 A CA 301751A CA 1110892 A CA1110892 A CA 1110892A
Authority
CA
Canada
Prior art keywords
laid
wet
dry
plies
ply
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
CA301,751A
Other languages
English (en)
French (fr)
Inventor
Brian W. Attwood
Dennis R. Hicklin
Derek G.W. White
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.)
Karl Kroyer St Annes Ltd
Original Assignee
Karl Kroyer St Annes Ltd
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 Karl Kroyer St Annes Ltd filed Critical Karl Kroyer St Annes Ltd
Application granted granted Critical
Publication of CA1110892A publication Critical patent/CA1110892A/en
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
    • D21H5/26—Special paper or cardboard manufactured by dry method; Apparatus or processes for forming webs by dry method from mainly short-fibre or particle material, e.g. paper pulp
    • D21H5/2678—Manufacture of layered products (assembly of superposed sheets), comprising the consolidation of such a structure
    • D21H5/2692—Assembly of several preformed webs, at least one of which has been formed by dry method
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • 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
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/30—Multi-ply
    • 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
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/30—Multi-ply
    • D21H27/38—Multi-ply at least one of the sheets having a fibrous composition differing from that of other sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/05—5 or more layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/06—Vegetal fibres
    • B32B2262/062—Cellulose fibres, e.g. cotton
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/72—Density
CA301,751A 1977-04-29 1978-04-24 Process for making a cellulosic product Expired CA1110892A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB17923/77A GB1595905A (en) 1977-04-29 1977-04-29 Process for making a cellulosic product
GB17923/77 1977-04-29

Publications (1)

Publication Number Publication Date
CA1110892A true CA1110892A (en) 1981-10-20

Family

ID=10103613

Family Applications (1)

Application Number Title Priority Date Filing Date
CA301,751A Expired CA1110892A (en) 1977-04-29 1978-04-24 Process for making a cellulosic product

Country Status (9)

Country Link
JP (1) JPS5411310A (de)
AU (1) AU3519778A (de)
CA (1) CA1110892A (de)
DE (1) DE2817479C2 (de)
FI (1) FI781229A (de)
FR (1) FR2388937A1 (de)
GB (1) GB1595905A (de)
NO (1) NO781534L (de)
SE (1) SE7804954L (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0043290A1 (de) * 1980-07-02 1982-01-06 Black-Clawson International Limited Verfahren und Vorrichtung zur Herstellung eines nichtgewebten Bahnmaterials aus Cellulosefasern
IT1134617B (it) * 1980-12-05 1986-08-13 Pirelli Pneumatico per autoveicoli con disegno ad elevati doti comportamentali e bassa rumorosita'
US4379194A (en) * 1981-01-19 1983-04-05 Formica Corporation High pressure decorative laminates containing an air-laid web of fibers and filler and method of producing same
FI71377B (fi) * 1984-05-11 1986-09-09 Ahlstroem Oy Foerfarande foer framstaellning av flerskiktskartong
FI974025A (fi) * 1997-10-22 1999-04-23 Walkisoft Finland Oy Aaltopahvi
DE19758265A1 (de) * 1997-12-31 1999-07-08 Staedtler Fa J S Schichtstoffplatte und Verfahren zu deren Herstellung
US6818166B2 (en) 2001-04-20 2004-11-16 Sca Hygiene Products Ab Method of forming a fiber web for use in absorbent products, and fiber web produced according to the method
SE0101393L (sv) * 2001-04-20 2002-10-21 Sca Hygiene Prod Ab Sätt att forma en fiberbana för användning i absorberande alster samt enligt sättet framställd fiberbana
DE602004025750D1 (de) * 2004-06-01 2010-04-08 Dan Web Holding As
DE102019104369B3 (de) 2019-02-21 2020-06-04 Technische Universität Dresden Verfahren und Vorrichtung zur Herstellung eines Formteils aus einem Faserwerkstoff

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4842109A (de) * 1971-10-05 1973-06-19
JPS4861575A (de) * 1971-12-06 1973-08-29
JPS4891308A (de) * 1972-03-02 1973-11-28
JPS496764A (de) * 1972-05-06 1974-01-21
JPS5167406A (ja) * 1975-04-10 1976-06-11 Furukawa Electric Co Ltd Denkizetsuenshinoseizohoho

Also Published As

Publication number Publication date
DE2817479A1 (de) 1978-11-02
FI781229A (fi) 1978-10-30
AU3519778A (en) 1979-10-25
JPS5411310A (en) 1979-01-27
NO781534L (no) 1978-10-31
FR2388937A1 (fr) 1978-11-24
DE2817479C2 (de) 1982-05-06
GB1595905A (en) 1981-08-19
SE7804954L (sv) 1978-10-30

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Legal Events

Date Code Title Description
MKEX Expiry