WO1989012139A1 - Method of producing dry formed fibre material - Google Patents
Method of producing dry formed fibre material Download PDFInfo
- Publication number
- WO1989012139A1 WO1989012139A1 PCT/SE1989/000295 SE8900295W WO8912139A1 WO 1989012139 A1 WO1989012139 A1 WO 1989012139A1 SE 8900295 W SE8900295 W SE 8900295W WO 8912139 A1 WO8912139 A1 WO 8912139A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- binder
- material web
- grade
- steps
- supplied
- Prior art date
Links
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F9/00—Complete machines for making continuous webs of paper
Definitions
- the present invention relates to a method of producing a we of dry formed fibre material.
- One object of the present invention is to achieve a method of the type mentioned in the introduction, in which the dis ⁇ advantages have been eliminated that have been present in already known production methods described above in connec- tion with webs of dry-formed material.
- the essentially dis ⁇ tinguishing features of the method in accordance with the invention are disclosed in the following claims.
- the first of these steps involves processing a base material without colour or chem ⁇ ical additives apart from the standard components required for making a cohesive, handleable material web.
- a subsequent step generally the second step, comprises processing this base material to a final grade specifically for a given order, very good flexibility and low production costs thus being achieved.
- step 2 there are also obtained further advantages such as larger flexibility in colour selection, greater ease in supplying additives, greater variation opportunities when embossed patterns are used, better economy by being able to make shorter runs of specific, called-for qualities.
- the equipment used for subsequent processing does not need to be situated in direct connection to the high-production paper machine, but can be in an adjacent factory or at an external converter. In other words, step 2 and possible further operations can be arranged in simpler, cheaper machines, whereby the expensive high-production paper machine can b better utilized.
- step 1 fibres are formed into a web which is compressed, supplied with binder and dried to a process degree corre ⁇ sponding to 20-90 % of the final grade, preferably 60-80 %, and is reeled into so-called master reels.
- These reels of semi-fabricated material can be produced with high machine utilization, since there are only a few basic types of material composition and treatment for the different webs, which can then be given uniform properties and high quality.
- the reels can be readily buffer-stored to await further processing in a following step.
- the type and quality of binder can be selected differently in step 1 for the two sides of the web, so that subsequent processing can give specific properties to each side.
- a re- generable type of binder is preferably used, to enable re ⁇ cycling of waste material from that first step.
- the web is processed to a final delivery grade in step 2, with specified properties in respect of such as colour, ab ⁇ sorption, surface friction, flame resistance, embossing etc, apart from the basic "strength property" (wet strength, freedom from fluff etc).
- step 2 More binder is applied in step 2, the remaining ingredients for giving desired properties being mixed into this binder. Particularly with colouring, the two-step process gives a result which is difficult to achieve with other methods used up to now.
- the colour pigment in the binder which is used is uniformly distributed over the whole surface and covers the fibres to a depth such that a satisfying visual colour im- pression is obtained, which can be the same on both sides when so required.
- the binder in step 2 can be applied in different forms such as liquid (solution, dispersion, sus ⁇ pension) , paste and foam, and with different methods such as gravure printing, flexographic printing, screen printing, roller application or spraying.
Landscapes
- Paper (AREA)
- Multicomponent Fibers (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO90905123A NO905123L (no) | 1988-05-30 | 1990-11-27 | Fremgangsmaate for fremstilling av toerrformet fibermateriale. |
DK281290A DK281290D0 (da) | 1988-05-30 | 1990-11-27 | Fremgangsmaade til fremstilling af toerformet fibermateriale |
FI905897A FI905897A0 (fi) | 1988-05-30 | 1990-11-29 | Foerfarande foer framstaellning av torrformat fibermaterial. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8802010A SE461228B (sv) | 1988-05-30 | 1988-05-30 | Foerfarande foer framstaellning av torrformat fibermaterial |
SE8802010-2 | 1988-05-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1989012139A1 true WO1989012139A1 (en) | 1989-12-14 |
Family
ID=20372462
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/SE1989/000295 WO1989012139A1 (en) | 1988-05-30 | 1989-05-25 | Method of producing dry formed fibre material |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP0427734A1 (sv) |
JP (1) | JPH03504621A (sv) |
AU (1) | AU3763089A (sv) |
DK (1) | DK281290D0 (sv) |
ES (1) | ES2015681A6 (sv) |
FI (1) | FI905897A0 (sv) |
NO (1) | NO905123L (sv) |
SE (1) | SE461228B (sv) |
WO (1) | WO1989012139A1 (sv) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6136422A (en) * | 1996-04-05 | 2000-10-24 | Eatern Pulp & Paper Corporation | Spray bonded multi-ply tissue |
-
1988
- 1988-05-30 SE SE8802010A patent/SE461228B/sv not_active IP Right Cessation
-
1989
- 1989-05-25 AU AU37630/89A patent/AU3763089A/en not_active Abandoned
- 1989-05-25 JP JP50620889A patent/JPH03504621A/ja active Pending
- 1989-05-25 EP EP19890906849 patent/EP0427734A1/en not_active Withdrawn
- 1989-05-25 WO PCT/SE1989/000295 patent/WO1989012139A1/en not_active Application Discontinuation
- 1989-05-30 ES ES8901844A patent/ES2015681A6/es not_active Expired - Fee Related
-
1990
- 1990-11-27 DK DK281290A patent/DK281290D0/da not_active Application Discontinuation
- 1990-11-27 NO NO90905123A patent/NO905123L/no unknown
- 1990-11-29 FI FI905897A patent/FI905897A0/fi not_active Application Discontinuation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6136422A (en) * | 1996-04-05 | 2000-10-24 | Eatern Pulp & Paper Corporation | Spray bonded multi-ply tissue |
US6635134B1 (en) | 1996-04-05 | 2003-10-21 | Eastern Pulp & Paper Corp. | Method of producing a spray bonded multi-ply tissue product |
Also Published As
Publication number | Publication date |
---|---|
DK281290A (da) | 1990-11-27 |
FI905897A0 (fi) | 1990-11-29 |
EP0427734A1 (en) | 1991-05-22 |
NO905123D0 (no) | 1990-11-27 |
SE8802010D0 (sv) | 1988-05-30 |
ES2015681A6 (es) | 1990-09-01 |
SE8802010L (sv) | 1989-12-01 |
AU3763089A (en) | 1990-01-05 |
DK281290D0 (da) | 1990-11-27 |
JPH03504621A (ja) | 1991-10-09 |
NO905123L (no) | 1990-11-27 |
SE461228B (sv) | 1990-01-22 |
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