DE2806253C3 - A method of making a nonwoven tape or sheet from glass threads and thermosetting synthetic resin - Google Patents
A method of making a nonwoven tape or sheet from glass threads and thermosetting synthetic resinInfo
- Publication number
- DE2806253C3 DE2806253C3 DE2806253A DE2806253A DE2806253C3 DE 2806253 C3 DE2806253 C3 DE 2806253C3 DE 2806253 A DE2806253 A DE 2806253A DE 2806253 A DE2806253 A DE 2806253A DE 2806253 C3 DE2806253 C3 DE 2806253C3
- Authority
- DE
- Germany
- Prior art keywords
- twisted
- glass
- synthetic resin
- glass threads
- making
- 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
Links
Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/002—Inorganic yarns or filaments
- D04H3/004—Glass yarns or filaments
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/02—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments
- D04H3/04—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments in rectilinear paths, e.g. crossing at right angles
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
- D04H3/12—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with filaments or yarns secured together by chemical or thermo-activatable bonding agents, e.g. adhesives, applied or incorporated in liquid or solid form
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Nonwoven Fabrics (AREA)
- Insulating Bodies (AREA)
- Tape Measures (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Description
Die Erfindung betrifft ein Verfahren zur Herstellung eines nicht gewebten Bandes oder einer nicht gewebten Bahn aus Glasfaden und wärmehärtbarem Kunsihar/, bei dem gezwirnte Glasfaden parallel nebeneinander angeordnet und miteinander mittels eines geeigneten nicht polymerisierten, wärmehärtbarci Kunstharzes verbunden werden.The invention relates to a method of making a non-woven tape or a non-woven tape Sheet of glass thread and thermosetting Kunsihar /, in which twisted glass threads are parallel to each other arranged and connected to one another by means of a suitable non-polymerized, thermosetting resin get connected.
Kin derartiges Verfahren ist aus der C H-PS 3 47 975 bekannt. Auf dem Gebiet des Elektromaschinenbaus ist die Verwendung nicht gewebter Bander oder Bahnen au» Glasfaden und wärmehartb.irem Kunstharz bekannl. Diese Bänder oder Bahnen, auch als Packungsbänder bezeichnet, werden hauptsächlich 'ur Halterung von 1 iufcrwieklungen elekirischer Maschinen und zur Bindung sonstiger sich drehender oder feststehender Maschinenteile benutzt. Im /uge ihrer Verwendung werden diese Bänder oder Bahnen gewohnlich mn straffen. Zug um das zu haltende Feil gewickelt und die so erhaltenen Wickel erwärmt, um die Polymerisienmg des Kunstharzes, beispielsweise eines Polyesterharzes, unter gleichzeitiger Bildung einer haltbaren Kilt-Ver bindung.d. h. Zementation auszulosenSuch a process is from CH-PS 3 47 975 known. In the field of electrical engineering, there is the use of non-woven tapes or webs known from glass thread and thermosetting synthetic resin. These tapes or webs, also known as packing tapes, are primarily used as a support of the effects of electrical machines and of the Used to bind other rotating or stationary machine parts. In view of their use these bands or webs are usually mn tighten. Train wrapped around the file to be held and the thus obtained winding heated to the Polymerisienmg the synthetic resin, for example a polyester resin, while at the same time forming a durable kilt-ver binding.d. H. To trigger cementation
Die nicht gewebten Bänder bzw. Bahnen bestehen im allgemeinen aus einer Mehrzahl nebeneinander parallel angeordneter Glasfaden, welche von einem nichi polymerisierten Kunstharz zusammengehalten ν erden, wobei jeder < ilasfadcn aus einem Bündel äußerst dünner Einzelfaden bzw. Spinndüsenfäden besieht.The non-woven tapes or panels are made of generally from a plurality of glass threads arranged in parallel next to one another, which are of a nichi polymerized resin held together ν earth, each < ilasfadcn from a bundle extremely thinner Single thread or spinneret threads viewed.
In der Praxis sind Schwierigkeiten bei der Verwendung von Bändern bzw Bahnen mit mehl gezwirnlen Glasfäden aufgetreten. Beim Abrollen der Bander bzw. Bahnen von einer Rolle im /uge eines Wickelprozcsscs können nämlich einzelne oder mehrere Glasfaden reißen. Pie gerissenen Glasfaden neigen dazu, an dem darunter befindlichen Band bzw. an der darunter befindlichen Bahn anzukleben und wciter/urcißcn. bis schließlich das gesamte Band oder die gesamte Bahn unbrauchbar werden Man hat versucht diesem Mangel dadurch abzuhelfen, daß während der Herstellung zwischen die einzelnen Band bzw. Bahnschichten jeweils ein Trennbugen gelegt wurde. Doch etusmndcn dadurch Probleme bei Jer Verwendung der Bänder bzw. Bahnen, — Urii zu verhüten, daß gerissene Einzelfäden ein einwandfreies Abrollen des Bandes bzw. der Bahn von der Rolle verhindern, hat man ferner gezwirnte Glasfaden verwendet, so daß die Einzelfäden gemeinsam mit dem Band oder der Bahn abrollen müssen. Die Verwendung gezwirnter Glasfaden ist jedoch insofern nachteilig, als die drallbeaufschlagtcn Glasfaden das Bestreben haben, um ihre eigene Achse zu drehen, wenn sie freigegeben oder Zug unterworfen werden. Das ist insbesondere bei der Verwendung von gewickelten Bändern oder Bahnen in Elektromaschinen äußerstIn practice there are difficulties in using it of ribbons or webs twisted with flour Glass threads occurred. When unrolling the tape or Web from a roll in the course of a winding process can break single or multiple glass threads. Pie torn glass thread tend to stick to the to glue and wciter / urcißcn the tape underneath or to the strip underneath. until eventually the entire tape or the entire web will become unusable. This deficiency has been tried to remedy that between the individual tape or web layers during manufacture a dividing line was placed in each case. But etusmndcn this causes problems when using the tapes or Paths, - Urii to prevent torn single threads To prevent the tape or web from unrolling properly from the roll, twisted ones have also been used Glass thread used, so that the single threads have to roll off together with the tape or web. the However, the use of twisted glass thread is disadvantageous insofar as the twisted glass thread is the Tend to rotate on their own axis when released or subjected to tension. That is especially when using wound strips or webs in electrical machines
ίο problematisch, da eine gleichmäßige und einwandfreie Auflage nicht gewährleistet ist.ίο problematic, since a uniform and perfect Edition is not guaranteed.
Dieses Problem ist schließlich dadurch gelöst worden, daß man einen gezwirnten drallfreien Faden aus mindestens zwei Einzelfäden, in gleichem SinneThis problem has finally been solved by a twisted, twist-free thread from at least two single threads, in the same sense
π gezwirnt, verwendet hat, welche dann miteinander in entgegengesetztem Sinne verzwirnt werden. Dadurch entsteht ein drallfreier Glasfaden, welche seine längliche Lage beibehält, und zwar sowohl freiliegend als auch unter Zugbeanspruchung. Derartige Zwirnmaßnahmen sind jedoch äußerst kostenaufwendig.π twisted, which then together in twisted in the opposite sense. This creates a twist-free glass thread, which is his Maintains elongated position, both exposed and under tensile stress. Such twisting measures however, they are extremely expensive.
Der Erfindung liegt die Aufgabe zugrunde, ein gattungsgemäßes Verfahren anzugeben, wonach sich nicht gewebte Bändet oder nicht gewebte Bahnen aus Glasfaden und wärmehärtbarem Kuns:harz besondersThe invention is based on the object of specifying a generic method according to which non-woven tapes or non-woven sheets of glass thread and thermosetting plastic: resin especially
2·) kosiensparend herstellen lassen und sich darüber hinaus durch Widerstandsfähigkeit und einwandfreie Isolierwirkung auszeichnen.2) can be produced in a cost-saving manner and beyond characterized by resistance and perfect insulating effect.
Diese Aufgabe löst die Erfindung bei einem Verfahren der eingangs beschriebenen Art dadurch, daßThis object is achieved by the invention in a method of the type described at the outset in that
JO einfach gezwirnte erste Glasfaden einer Zwirndrehung in einem Sinne und einfach ge/wirnie zweite Glasfaden einer Zwirndrehung in entgegengesetztem Sinne ein/ein oder in Gruppen abwechselnd nebeneinander angeordnet werden.JO simply twisted first glass thread of a twist in a sense and simply ge / wirnot a second glass thread a twist in the opposite sense or in groups alternately next to each other to be ordered.
\*< Das erfindungsgemäße Verlahren erlaubt die Verwendung von Glasfäden mit einer Zw;rndrchung in nur einem Drehsinn, also ohne Drallfreihcil für jeden einzelnen Glasfaden zu erzeugen, sondern vielmehr für das gcsamie Band bzw. die gesamte Bahn zu erhallen. \ * <The invention Verl Ahren allows the use of glass fibers with a Zw; rndrchung in only one direction of rotation to produce so without Drallfreihcil for each individual glass filament, but rather for the gcsamie band or to erhallen the entire web.
■w Praktisch wird das Band bzw. die Bahn dadurch hergestellt, daß mittels des wärmehärtbaren Kunstharzes eine vorgegebene Anzahl Glasfaden mit nur einer Zwirndrehung und parallel nebeneinander angeordnet miteinander verbunden werden, wobei ungefähr eine■ w This makes the belt or the web practical made that by means of the thermosetting resin, a predetermined number of glass threads with only one Twisted twist and arranged parallel to each other are connected to each other, with approximately one
'"> llälfle dieser Glasfaden eine Zwirndrehung nach einer Seile aufweist und die andere Hälfte eine Zwirndrehung nach der anderen Seile. Dadurch ist. obwohl die einzelnen Glasfaden drallerzcugcnd wirken, das fcriige Band bzw. die fertige Bahn drallfrei und bleibt .lbsolui'"> If this glass thread is twisted one twist after another Has ropes and the other half a twist after the other ropes. This is. although the individual glass filaments have a twisting effect, the final Tape or the finished web twist-free and remains .lbsolui
ϊ" flach, und zwar sowohl in ungcspannlem Zustand als auch unicr Zugbeanspruchung. Die Drehfreihcii des nichi gewebten Bundes bzw. der nnhi gewebten Bahn kann sowohl dann erzieh werden, wenn abwechselnd ein Glasfaden mit einem bestimmten Zwirndrehiings-ϊ "flat, both in an unclamped condition and in a also unicr tensile stress. The rotation of the nichi woven covenant or the nnhi woven web can be educated both when alternately a glass thread with a certain twisting twist
'>> sinn einem Glasfaden enlgegengesetzlcr Zwirndrehung zugeordnet wird, als auch dann, wenn Fadengruppen entgegengesetzter Zwirndrehung nebeneinander gelegt werden.'>> meaning a glass thread in an oppositely legal twist is assigned, as well as when thread groups opposite twist are laid next to each other.
Im Ergebnis lassen sich nach dem erfindungsgemäßenAs a result, according to the invention
μ Verfahren nicht gcwcbie Bänder bzw Bahnen äußerst kostensparend herstellen und zeichnen sich darüber hinaus durch hohe Widerstandsfähigkeit Und einwand' freie IsolierwifkUrig aus,μ method not extremely gcwcbie tapes or webs produce cost-saving and are also characterized by high resistance and flawless free insulating wifkUrig from,
Claims (1)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT31284/77A IT1089146B (en) | 1977-12-27 | 1977-12-27 | METHOD FOR THE MANUFACTURE OF A NON-WOVEN TAPE BASED ON GLASS YARN AND NON-POLYMERIZED THERMOSETING RESINS, AND TAPE OBTAINED BY SUCH PROCEDURE |
Publications (3)
Publication Number | Publication Date |
---|---|
DE2806253A1 DE2806253A1 (en) | 1979-06-28 |
DE2806253B2 DE2806253B2 (en) | 1979-10-18 |
DE2806253C3 true DE2806253C3 (en) | 1980-07-03 |
Family
ID=11233400
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2806253A Expired DE2806253C3 (en) | 1977-12-27 | 1978-02-15 | A method of making a nonwoven tape or sheet from glass threads and thermosetting synthetic resin |
Country Status (11)
Country | Link |
---|---|
JP (1) | JPS5493174A (en) |
BE (1) | BE872601A (en) |
BR (1) | BR7808486A (en) |
CH (1) | CH629138A5 (en) |
DE (1) | DE2806253C3 (en) |
ES (1) | ES476390A1 (en) |
FR (1) | FR2413492A1 (en) |
GB (1) | GB2011500B (en) |
IN (1) | IN150126B (en) |
IT (1) | IT1089146B (en) |
SE (1) | SE442753B (en) |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1360037A (en) * | 1963-05-07 | 1964-04-30 | Lindsay Wire Weaving Co | Twisted strands and nonwoven filter media formed from such strands and their manufacturing process |
FR1443217A (en) * | 1965-04-28 | 1966-06-24 | Strapping tape | |
DE1629647A1 (en) * | 1966-08-20 | 1971-02-04 | Gustav Sachsenroeder Sen | Foil material for the production of laminates and device for its production |
DE1817189B2 (en) * | 1968-12-27 | 1974-03-21 | Sesame Industries Ltd., Montreal, Quebec (Kanada) | Heat-activated adhesive tape |
GB1327931A (en) * | 1969-06-26 | 1973-08-22 | Pemali Ltd | Reinforced resin compositions |
FR2127418A5 (en) * | 1971-03-05 | 1972-10-13 | Europ Propulsion | |
JPS5178878A (en) * | 1974-12-28 | 1976-07-09 | Central Glass Co Ltd | Hokyosareta chotsupudosutorandomatsuto |
JPS5927417B2 (en) * | 1975-09-01 | 1984-07-05 | 株式会社トクヤマ | Method for producing inorganic fiber granules |
-
1977
- 1977-12-27 IT IT31284/77A patent/IT1089146B/en active
-
1978
- 1978-02-15 DE DE2806253A patent/DE2806253C3/en not_active Expired
- 1978-12-07 BE BE192195A patent/BE872601A/en not_active IP Right Cessation
- 1978-12-11 GB GB7847992A patent/GB2011500B/en not_active Expired
- 1978-12-11 CH CH1253478A patent/CH629138A5/en not_active IP Right Cessation
- 1978-12-12 IN IN1318/CAL/78A patent/IN150126B/en unknown
- 1978-12-19 JP JP15735378A patent/JPS5493174A/en active Pending
- 1978-12-22 SE SE7813252A patent/SE442753B/en not_active IP Right Cessation
- 1978-12-22 FR FR7836105A patent/FR2413492A1/en active Granted
- 1978-12-26 BR BR7808486A patent/BR7808486A/en unknown
- 1978-12-27 ES ES476390A patent/ES476390A1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5493174A (en) | 1979-07-24 |
BR7808486A (en) | 1979-08-21 |
SE7813252L (en) | 1979-06-28 |
DE2806253B2 (en) | 1979-10-18 |
SE442753B (en) | 1986-01-27 |
IT1089146B (en) | 1985-06-18 |
GB2011500A (en) | 1979-07-11 |
FR2413492B1 (en) | 1983-10-21 |
CH629138A5 (en) | 1982-04-15 |
DE2806253A1 (en) | 1979-06-28 |
IN150126B (en) | 1982-07-31 |
ES476390A1 (en) | 1979-04-16 |
GB2011500B (en) | 1982-02-24 |
BE872601A (en) | 1979-03-30 |
FR2413492A1 (en) | 1979-07-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OAP | Request for examination filed | ||
OD | Request for examination | ||
C3 | Grant after two publication steps (3rd publication) | ||
8339 | Ceased/non-payment of the annual fee |