FI103740B - Nipple roll diaper - Google Patents
Nipple roll diaper Download PDFInfo
- Publication number
- FI103740B FI103740B FI981240A FI981240A FI103740B FI 103740 B FI103740 B FI 103740B FI 981240 A FI981240 A FI 981240A FI 981240 A FI981240 A FI 981240A FI 103740 B FI103740 B FI 103740B
- Authority
- FI
- Finland
- Prior art keywords
- composite
- diaper
- sheath
- fibers
- fiber
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C13/00—Rolls, drums, discs, or the like; Bearings or mountings therefor
- F16C13/02—Bearings
- F16C13/022—Bearings supporting a hollow roll mantle rotating with respect to a yoke or axle
- F16C13/024—Bearings supporting a hollow roll mantle rotating with respect to a yoke or axle adjustable for positioning, e.g. radial movable bearings for controlling the deflection along the length of the roll mantle
- F16C13/026—Bearings supporting a hollow roll mantle rotating with respect to a yoke or axle adjustable for positioning, e.g. radial movable bearings for controlling the deflection along the length of the roll mantle by fluid pressure
- F16C13/028—Bearings supporting a hollow roll mantle rotating with respect to a yoke or axle adjustable for positioning, e.g. radial movable bearings for controlling the deflection along the length of the roll mantle by fluid pressure with a plurality of supports along the length of the roll mantle, e.g. hydraulic jacks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/06—Fibrous reinforcements only
- B29C70/08—Fibrous reinforcements only comprising combinations of different forms of fibrous reinforcements incorporated in matrix material, forming one or more layers, and with or without non-reinforced layers
- B29C70/081—Combinations of fibres of continuous or substantial length and short fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/06—Fibrous reinforcements only
- B29C70/10—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres
- B29C70/16—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length
- B29C70/24—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length oriented in at least three directions forming a three dimensional structure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
- B31F1/20—Corrugating; Corrugating combined with laminating to other layers
- B31F1/24—Making webs in which the channel of each corrugation is transverse to the web feed
- B31F1/26—Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders cylinder constructions
- B31F1/28—Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders cylinder constructions combined with uniting the corrugated webs to flat webs ; Making double-faced corrugated cardboard
- B31F1/2845—Details, e.g. provisions for drying, moistening, pressing
- B31F1/2877—Pressing means for bringing facer sheet and corrugated webs into contact or keeping them in contact, e.g. rolls, belts
-
- 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
- D21F3/08—Pressure rolls
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
- D21G1/00—Calenders; Smoothing apparatus
- D21G1/02—Rolls; Their bearings
- D21G1/0206—Controlled deflection rolls
- D21G1/0213—Controlled deflection rolls with deflection compensation means acting between the roller shell and its supporting member
- D21G1/022—Controlled deflection rolls with deflection compensation means acting between the roller shell and its supporting member the means using fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Laminated Bodies (AREA)
- Paper (AREA)
Description
103740103740
Nippitelan vaippaNipple roll diaper
Esillä olevan keksinnön kohteena on paperi-/kartonki- tai 5 jälkikäsittelykoneen nippitelan komposiittivaippa, jossa on useita olennaisesti vaipan pituussuunnassa ja/tai kehän suunnassa ulottuvia kuitukerroksia. Keksinnön kohteena on myös menetelmä valmistaa paperi-/kartonki- tai jälkikäsittelykoneen nippitelan komposiittivaippa, joka käsittää 10 polymeerisen matriisimateriaalin ja useita olennaisesti vaipan pituussuunnassa ja/tai kehän suunnassa ulottuvia kuitukerroksia. Keksinnön kohteena on lisäksi menetelmä valmistaa paperi-/kartonki- tai jälkikäsittelykoneen nippitelan komposiittivaippa (1), johon kuuluu lujitekuituja ja 15 keräämiä oleva matriisimateriaali.The present invention relates to a composite diaper of a nip roll of a paper / board or finishing machine having a plurality of fiber layers extending substantially in the longitudinal and / or circumferential direction of the diaper. The invention also relates to a method of making a composite diaper roll of a nip roll of a paper / board or finishing machine comprising 10 polymeric matrix materials and a plurality of fiber layers extending substantially in the longitudinal and / or circumferential direction of the diaper. The invention further relates to a method of manufacturing a composite diaper roll (1) of a nip roll of a paper / board or finishing machine, comprising a matrix material of reinforcing fibers and 15.
Komposiitilla tarkoitetaan rakennetta, joka käsittää lujit-: : tavia kuituja, esim. hiili-, boori- tai lasikuituja tai ·· niiden seoksia, ja matriisimateriaalin, joka voi olla poly- .·. : 20 meerinen, keraaminen tai metallinen. Keraaminen materiaali käsittää erilaiset oksidit ja karbidit, kuten esim. Ai-, • · . . B-,Cr-, Ti-, Si-, Sn-, W-, Zn-, Zr-oksidit ja -karbiditComposite refers to a structure comprising reinforcing fibers, such as carbon, boron or glass fibers or mixtures thereof, and a matrix material which may be poly. : 20 mer, ceramic or metallic. The ceramic material comprises various oxides and carbides, such as, for example, Al, · ·. . Oxides and carbides of B, Cr, Ti, Si, Sn, W, Zn, Zr
; tai niiden seokset sekä erilaiset nitridit kuten esim. BN; or mixtures thereof, and various nitrides such as BN
' ja Si3N4.and Si3N4.
25 : : : Nippitelan komposiittivaippa, jossa on useita eri suuntai- siä kuitukerroksia on tunnettu alalla, esim. patenttijul- ·. kaisusta Fl 100264. Tunnetuissa nippitelojen komposiitti- * · * ’···’ vaipoissa niiden lujuutta on pyritty lisäämään kuitukerrok- • · 30 set muodostavien kuitujen erilaisilla suuntauksilla telan .‘.J aksiaalisuunnassa tai siitä poikkeavissa suunnissa pitkin • t .···. kehää. Tavanomaisten komposiittivaippojen eräänä ongelmana on nippitelojen yhteydessä niiden altistuminen paikallisille taivutuskuormituksille mistä aiheutuu lujuusongelmia.25::: A nip roll composite sheath having a plurality of orientations of fiber layers is known in the art, e.g. Known composite nip rolls * * * '···' have been designed to increase their strength by varying the orientation of the fibers forming the fiber layers in the axial or non-axial directions of the roll. the circumference. One problem with conventional composite diapers is that they are exposed to local bending loads in the case of nip rolls, which causes strength problems.
35 Tällainen paikallinen taivutuskuormitus voi johtaa esim.35 Such a local bending load can lead to e.g.
komposiittivaipan muodostavien kuitukerroksien palstautumi-seen. Niinpä esillä olevan keksinnön päämääränä on aikaansaada sellainen nippitelan vaippa, jolla on lisääntynyt lujuus paksuussuunnassa aksiaalisuuntaisen ja kehän suun- 103740 2 täisen lujuuden lisäksi. Tämän päämäärän toteuttamiseksi keksinnön mukaiselle nippitelan komposiittivaipalle on tunnusomaista se, että vaippaan on järjestetty ainakin osittain sen paksuussuunnassa ulottuvat, vaippamateriaalin 5 sisällä olevat välineet, jotka aikaansaavat vaipan paksuus-suuntaisen lujittumisen.for splitting the fiber layers forming the composite sheath. Accordingly, it is an object of the present invention to provide a nip roll sheath having increased thickness in addition to axial and circumferential strength. To accomplish this object, the nip roll composite diaper according to the invention is characterized in that means are provided at least partially in its thickness, within the diaphragm material 5, to provide thickness-strengthening of the diaper.
Keksinnön mukaiselle menetelmälle valmistaa nippitelan komposiittivaippa, joka käsittää polymeerisen matriisi-10 materiaalin ja useita olennaisesti vaipan pituussuunnassa ja/tai kehän suunnassa ulottuvia kuitukerroksia on tunnusomaista se, että menetelmässä kuitukerroksien muodostamiseen käytettävät kuidut kastellaan hartsiin, johon on sekoitettu lyhyitä kuituja, jotka valmiissa vaipassa 15 aikaansaavat vaipalle lisääntyneen paksuussuuntaisen lujuuden. Keksinnön erään toisen näkökannan mukaiselle menetelmälle valmistaa paperi-/kartonki- tai jälkikäsittelykoneen ·' /· nippitelan komposiittivaippa, johon kuuluu lujitekuituja ja ·;· olennaisesti yhtenäinen keräämiä oleva matriisimateriaali : 20 on puolestaan tunnusomaista se, että menetelmässä valmiste- taan ensin paksuussuuntaisen lisälujuuden antava kolmiulot-.. teinen kuiturakenne ja matriisimateriaali tuodaan termisin menetelmin, kuten termisellä ruiskutuksella plasmahöyrynä '·' ‘ kuiturakenteeseen, jolloin se muodostaa yhtenäisen matrii- 25 sin.The process of the invention produces a nip roll composite sheath comprising a polymeric matrix material 10 and a plurality of fiber layers extending substantially in the longitudinal and / or circumferential direction of the sheath, wherein the fibers used to form the fiber layers are wetted into resin mixed with increased shear strength for the sheath. According to another aspect of the invention, the composite diaper of a paper / board or finishing machine · '/ · nip roll comprising reinforcing fibers and ·; · a substantially uniform matrix material to be collected: characterized in that The second fibrous structure and matrix material are introduced by thermal methods such as thermal injection as plasma vapor into the fibrous structure to form a coherent matrix.
Seuraavassa keksintöä selostetaan lähemmin oheisiin piirus- *. tuksiin viitaten, joissa: • · · • · I ·*· • · 30 Kuvio 1 esittää nippitelaa kaaviollisena leikkauskuvanto-na, ja • · • « · • · • · kuviot 2- 5 esittävät keksinnön mukaisen nippitelan vaipan eräitä suoritusmuotoesimerkkejä poikkileikkauk-35 sessa otettuina kaaviollisina osakuvantoina.The invention will now be described in more detail in the accompanying drawings. Referring to Figures 1 and 2, Fig. 1 is a schematic sectional view of a nip roll, and Figs. 2-5 show some embodiments of a nipple roll according to the invention in cross-section. diagrammatic sub-views.
Kuviossa 1 on kuvattu nippitelan 10 eräs toteutustapa, jossa stationäärinen keskiakseli 12 on varustettu vaippaa 1 ! 103740 3 nipin suunnassa kuormittavilla kuormituskengillä 11. Vaippa on komposiittimateriaalia.Fig. 1 illustrates one embodiment of nip roll 10 in which the central stationary axis 12 is provided with a sheath 1! 103740 3 Load Nipple Load Shoes 11. The sheath is made of composite material.
Kuviossa 2 on kuvattu jatkuvakuituisista lujitekuiduista 3, 5 esim. hiilikuiduista, ja polymeerisestä matriisimateriaa-lista normaalilla tavalla muodostettu komposiittivaippa 1 poikkileikkauksessa otettuna suurennettuna osakuvantona, jonka valmistuksessa lujitekuitujen 3 kiinnittämiseen käytettyyn hartsiin on sekoitettu lyhyitä kuituja 2, joista 10 ainakin osa sijaitsee valmiin vaipan yhteydessä olennaisesti vaipan paksuussuunnassa aikaansaaden vaipan seinämän paksuussuuntaisen lisälujuuden. Kuvion 2 mukaista kompo-siittivaippaa valmistettaessa kuitukerroksien muodostamiseen käytettävät kuidut 3 kastellaan hartsiin, esim.Fig. 2 illustrates a continuous cross-section of continuous fiber reinforced fibers 3, 5, e.g. carbon fibers, and a polymeric matrix material composite diaper 1, in the form of an enlarged sectional view of at least 10 in the thickness direction of the sheath, providing additional strength in the thickness of the sheath wall. In the manufacture of the composite sheath of Figure 2, the fibers 3 used to form the fiber layers are soaked in a resin, e.g.
15 epoksihartsi, johon on sekoitettu lyhyitä kuituja, esim. hiilikuituja, jolloin hartsin kovetuttua mainitut lyhyet kuidut aikaansaavat valmiin vaipan lisääntyneen paksuus-: : suuntaisen lujuuden.The epoxy resin is blended with short fibers, e.g. carbon fibers, whereby, when the resin has cured, said short fibers provide increased thickness in the direction of the finished sheath.
.·, : 20 Kuviossa 3 on poikkileikkauksessa otettu suurennettu osa- kuvanto nippitelan komposiittivaipasta 1, johon sisältyy . , pitkittäiskuidut 5, poikittaiskuidut 3 ja kyseisiä pitkit- ·;' täis- ja poikittaiskuituja yhdistävät, kolmiulotteisen 1 kuiturakenteen aikaansaavat sakara-aaltomaisesti kulkevat 25 kuidut 4, jotka kulkevat ainakin pääasiallisesti vaipan 1 : : ' seinämän paksuussuunnassa (nuoli s).Fig. 3 is an enlarged, partial cross-sectional view of the composite diaper 1 of a nip roll including. , longitudinal fibers 5, transverse fibers 3 and the like; the three-dimensional fibrous structure connecting the full and transverse fibers by a rectangular waveguide 25, extending at least mainly in the direction of the wall thickness of the shell 1 (arrow s).
• · · • · · ·. Kuvioissa 4 - 5 on esitetty poikkileikkauksessa otettu *·:·' suurennettu osakuvanto nippitelan komposiittivaipasta 1 , 30 johon sisältyy pitkittäiskuidut 5 ja kyseisten pitkittäis-.·. : kuitujen kanssa kolmiulotteisen kuiturakenteen muodostavat • «i .···. kuidut 4, jotka kulkevat aaltomaisessa tai sahalaitaisessa • · kuviossa, sijaiten ainakin osittain vaipan 1 paksuussuunnassa. Aaltomaiset tai sahalaitaiset kuidut 4 antavat vai-35 pan paksuussuuntaisen lujuuden valmiissa vaipassa kuitujen sitomiseen käytetyn hartsin tai keraamisen materiaalin kovettumisen jälkeen. Keraamimatriisia käytettäessä kuitu-lujiterakenne valmistetaan ensin esim. muotin päälle ja matriisi tuodaan termisin menetelmin, kuten termisellä 5 4 103740 ruiskutuksella plasmahöyrynä kuiturakenteeseen, jolloin se muodostaa yhtenäisen matriisin ja tuloksena on nk. keraami-komposiitti.• · · • · · ·. Figures 4 to 5 show an enlarged cross-sectional view of the composite diaper 1 of the nip roll 1, 30 including the longitudinal fibers 5 and their longitudinal sections. : The three-dimensional fiber structure with the fibers is formed by • «i. ···. fibers 4 passing in a corrugated or serrated pattern, · located at least partially in the thickness direction of the sheath 1. The corrugated or serrated fibers 4 give a film-to-35 thickness strength in the finished sheath after curing the resin or ceramic material used to bind the fibers. When using a ceramic matrix, the fiber-reinforcing structure is first made e.g.
Tässä hakemuksessa termillä "ainakin osittain vaipan paksuussuunnassa" tarkoitetaan suuntaa, joka lävistää vaipan seinämän telan säteittäisessä suunnassa, nuoli s kuvioissa 3-5, tai viistosti siihen nähden.In the present application, the term "at least partially in the thickness direction of the diaper" refers to the direction that penetrates the mantle wall in the radial direction of the roll, arrow s in Figs.
1010
Edellä kuvioiden 2-5 yhteydessä kuvatut erilaiset komposiittirakenteen suoritusmuodot voidaan ajatella toteutettaviksi myös niiden erilaisina yhdistelminä, joissa vaipan paksuussuunnassa on erilaisia komposiittirakennekerroksia. 15 Tällaisena yhdistelmänä voi olla esimerkiksi jatkuvakuitui-sista lujitekuiduista kelattu runkokerros, jonka sisä-ja/tai ulkopinnalle on muodostettu kolmiulotteinen kuiturakenne . Kuiturakenteen lisäksi myös matriisimateri- • i aali voi olla erilainen vaipan eri paksuussuuntaisissa : 20 kohdissa, jolloin esimerkiksi sisäpinnan muodostavassa kerroksessa voidaan käyttää polymeeristä matriisimateriaa-.. lia ja ulkopinnan muodostavassa kerroksessa keraamista materiaalia.The various embodiments of the composite structure described above in connection with Figs. 2-5 may also be considered to be implemented in different combinations thereof with different layers of composite structure in the thickness direction of the sheath. Such a combination may be, for example, a core layer of woven continuous fiber reinforced fibers having a three-dimensional fibrous structure formed on the inner and / or outer surface. In addition to the fibrous structure, the matrix material may also be different in different thickness directions of the jacket, whereby, for example, a polymeric matrix material may be used in the inner surface forming layer and a ceramic material in the outer surface forming layer.
• · · • · · • · · • · · mmm mmm mmm m m · • · · • · < • · • · · • · 1 · ·• · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · ·
Claims (7)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI981240A FI103740B (en) | 1998-06-02 | 1998-06-02 | Nipple roll diaper |
AU42684/99A AU4268499A (en) | 1998-06-02 | 1999-05-21 | Shell for a nip roll |
DE29923926U DE29923926U1 (en) | 1998-06-02 | 1999-05-21 | Jacket for a squeeze roller |
PCT/FI1999/000439 WO1999063154A1 (en) | 1998-06-02 | 1999-05-21 | Shell for a nip roll |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI981240A FI103740B (en) | 1998-06-02 | 1998-06-02 | Nipple roll diaper |
FI981240 | 1998-06-02 |
Publications (4)
Publication Number | Publication Date |
---|---|
FI981240A0 FI981240A0 (en) | 1998-06-02 |
FI103740B1 FI103740B1 (en) | 1999-08-31 |
FI103740B true FI103740B (en) | 1999-08-31 |
FI981240A FI981240A (en) | 1999-08-31 |
Family
ID=8551876
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI981240A FI103740B (en) | 1998-06-02 | 1998-06-02 | Nipple roll diaper |
Country Status (4)
Country | Link |
---|---|
AU (1) | AU4268499A (en) |
DE (1) | DE29923926U1 (en) |
FI (1) | FI103740B (en) |
WO (1) | WO1999063154A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19925418A1 (en) | 1999-06-02 | 2000-12-07 | Voith Sulzer Papiertech Patent | Elastic roller and method of making it |
WO2001016424A1 (en) * | 1999-08-27 | 2001-03-08 | Metso Paper, Inc. | Shoe roll |
DE102008035540A1 (en) * | 2008-07-30 | 2010-02-04 | Voith Patent Gmbh | Press roller arrangement for use during smoothing of fibrous material webs, has supporting elements supplied with pressure fluid by hydraulic pump unit, where large part of elements is subjected with pressure by pump unit |
DE102013216437A1 (en) * | 2013-08-20 | 2015-02-26 | Voith Patent Gmbh | Use of fiber-ceramic composites in the paper machine |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3788935A (en) * | 1970-05-27 | 1974-01-29 | Gen Technologies Corp | High shear-strength fiber-reinforced composite body |
US3707752A (en) * | 1970-10-28 | 1973-01-02 | Beloit Corp | Roll covering |
JPS5936133B2 (en) * | 1979-08-10 | 1984-09-01 | 山内ゴム工業株式会社 | Polyurethane rubber roll and its manufacturing method |
US4472541A (en) * | 1982-10-01 | 1984-09-18 | The Bendix Corporation | Secondary matrix reinforcement using carbon microfibers |
US4775547A (en) * | 1987-02-25 | 1988-10-04 | General Electric Company | RF plasma method of forming multilayer reinforced composites |
US4900483A (en) * | 1987-10-29 | 1990-02-13 | Exxon Research And Engineering Company | Method of producing isotropically reinforced net-shape microcomposites |
US5188776A (en) * | 1988-08-15 | 1993-02-23 | Exxon Research And Engineering Company | Ceramic microtubular materials and method of making same |
US5061533A (en) * | 1988-10-11 | 1991-10-29 | Mitsubishi Rayon Company Ltd. | Roll formed of carbon fiber composite material |
US5153057A (en) * | 1989-02-15 | 1992-10-06 | Technical Ceramics Laboratories, Inc. | Shaped bodies containing short inorganic fibers or whiskers within a metal matrix |
FR2692829B1 (en) * | 1992-06-29 | 1996-08-23 | Aerospatiale | PROCESS FOR MANUFACTURING A PART IN A COMPOSITE MATERIAL WITH INTERMETALLIC MATRIX. |
WO1994009208A1 (en) * | 1992-10-16 | 1994-04-28 | Beloit Technologies, Inc. | A method of manufacturing a cover for a press roll |
-
1998
- 1998-06-02 FI FI981240A patent/FI103740B/en active
-
1999
- 1999-05-21 AU AU42684/99A patent/AU4268499A/en not_active Abandoned
- 1999-05-21 WO PCT/FI1999/000439 patent/WO1999063154A1/en active Application Filing
- 1999-05-21 DE DE29923926U patent/DE29923926U1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FI103740B1 (en) | 1999-08-31 |
AU4268499A (en) | 1999-12-20 |
DE29923926U1 (en) | 2001-06-21 |
WO1999063154A1 (en) | 1999-12-09 |
FI981240A0 (en) | 1998-06-02 |
FI981240A (en) | 1999-08-31 |
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