DE675049C - Hard fabric made of synthetic resin and artificial silk - Google Patents
Hard fabric made of synthetic resin and artificial silkInfo
- Publication number
- DE675049C DE675049C DEA74838D DEA0074838D DE675049C DE 675049 C DE675049 C DE 675049C DE A74838 D DEA74838 D DE A74838D DE A0074838 D DEA0074838 D DE A0074838D DE 675049 C DE675049 C DE 675049C
- Authority
- DE
- Germany
- Prior art keywords
- synthetic resin
- artificial silk
- fabric made
- fabrics
- hard fabric
- 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
-
- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
-
- 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
- B29C70/28—Shaping operations therefor
- B29C70/40—Shaping or impregnating by compression not applied
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
- B29K2105/08—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns
- B29K2105/0809—Fabrics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
- B29K2105/08—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns
- B29K2105/10—Cords, strands or rovings, e.g. oriented cords, strands or rovings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2311/00—Use of natural products or their composites, not provided for in groups B29K2201/00 - B29K2309/00, as reinforcement
- B29K2311/10—Natural fibres, e.g. wool or cotton
Landscapes
- Laminated Bodies (AREA)
Description
Hartgewebe der verschiedensten Art werden durch Aufeinanderlegen von einzelnen Gewebielagem hergestellt, die als Klebmittel vorzugsweise ein Kunstharz !enthalten, das unter Wärme zum Fließen gebracht und durch Druck zu dem fertigen Hartgewebe verpreßt wird. Als "Gewebe werden hauptsächlich Baumwollgewebe verwendet. Es ist auch bekannt, Kunstseide verschiedener Art als Faserstoff für Kunstharzmassen zu benutzen. Dabei hat es sich herausgestellt, daß "sich die Kunstseidengewebe nicht ohne weiteres wie die Baumwollgewebe mittels Kunstharzes zusammenkleben und verpressen lassen. An .sich !erscheint die Verwendung der Kunstseidengewebe für das Endergebnis des Erzeugnisses ebensogut möglich wie die bisher verwendeten Baumwollgewebe, indem nämlich die Biege- und die Schlagbiegefestigkeit bei den Kunstseidengeweben mindestens ebenso hoch liegen wie bei Verwendung von Baumwollgeweben. Auch die Struktur des Gewebes, d. h. die Durchbrüche zwischen Kett- und Schußfäden, die das Bindemittel durch die Gewebeschichten hindurchtreten lassen, wie auch die ,aus Eimzelfasern bestehenden Fäden gibt dieser Auffassung Raum. Man war daher der Ansicht, daß eine genügende Verankerung der mit Kunstharz getränkten Schichten im Enderzeugnis gegeben sein müßte. Werden jedoch1 aus diesen Stoffen hergestellte Schichtkörper für solche Zwecke verwendet, wo eine größere Spaltfestigkeit in den einzelnen Lagen verlangt wird, so stellt sich heraus, daß die Hartgewebe aus Kunstseidengeweben in dieser Beziehung eine äußerst geringe Festigkeit aufweisen.Hard tissue of the most varied of types are produced by laying individual layers of tissue on top of one another, which preferably contain a synthetic resin as an adhesive, which is made to flow under heat and pressed to form the finished hard tissue. Cotton fabrics are mainly used as fabrics. It is also known to use various types of rayon as fiber material for synthetic resin compositions. It has been found that "rayon fabrics cannot be easily glued and pressed together by means of synthetic resin like cotton fabrics. In itself! The use of rayon fabrics for the end result of the product appears just as possible as the cotton fabrics used up to now, in that the flexural strength and impact resistance of rayon fabrics are at least as high as when using cotton fabrics. The structure of the fabric, ie the openings between the warp and weft threads, which allow the binding agent to pass through the fabric layers, as well as the threads made of single fibers, give room for this view. It was therefore of the opinion that the layers impregnated with synthetic resin had to be sufficiently anchored in the end product. However, if 1 laminated bodies made of these materials are used for purposes where greater splitting strength is required in the individual layers, it turns out that the hard fabrics made of rayon fabrics have an extremely low strength in this respect.
Diese Nachteile werden 'erfindungsgemäß dadurch beseitigt, daß in bekannter Weise entglättete bzw. aufgerauhte Kunstseidengewebe oder -fäden zur Herstellung der Kunstharz enthaltenden zu verpressenden Schichtkörper verwendet werden. Z. B. kann das Kunstseidengewebe in bekannter Weise so bearbeitet sein, daß viele feine Einzelfasern der Kunstseidenfäden aus der Gewebeebene heraustreten. Man kann dies erreichen dadurch, daß die Kunstseidenfäden bzw. die Kunstseidengewebe in bekannter Weise vor dem Auftragen des Kunstharzes auf mechanischem Wege in kurzen Zwischenräumen geknickt oder gebrochen sind. In der Verästelung und Schlingenbildung der jeweils aus den benachbart liegenden Gewebebahnen herausstellenden Fäden scheint die überaus große Spaltfestigkeit gegenüber den mit nicht aufgerauhten Kunstseidengeweben hergestellten Kunstharzschichtkörpern begründet zu sein. Dieser Vorteil wird zwar zum gewissen Teil mit Nachteil erkauft, da die Zerreißfestigkeit geringer ist als bei der Verwendung nicht aufgerauhter Gewebe, in-These disadvantages are 'according to the invention eliminated in a known manner de-smoothed or roughened rayon fabrics or threads for the production of the synthetic resin-containing to be pressed Laminated bodies are used. For example, the rayon fabric can be used in a known manner be processed in such a way that many fine individual fibers of the artificial silk threads emerge from the plane of the fabric. One can achieve this in that the artificial silk threads or the artificial silk fabric in a known manner before the application of the synthetic resin are kinked or broken mechanically in short intervals. In the branching and looping of the each of the threads protruding from the adjacent fabric webs appears the extremely high resistance to splitting compared to non-roughened artificial silk fabrics manufactured synthetic resin laminates to be justified. This benefit will though to a certain extent bought at a disadvantage, since the tensile strength is lower than that of the Use of non-roughened fabrics,
'·') Von dem Patentsucher ist als der Erfinder angegeben worden:'·') The patent seeker stated as the inventor:
Dr. Hans Schuhmann in Berlin-Frohnau.Dr. Hans Schuhmann in Berlin-Frohnau.
dessen kommt es bei Gegenständen, wie Zahnrädern, elektrischen Isolierungen, wo z. B. Gewinde in beiden Richtungen eingeschnitten werden u.dgl., auf andere Beanspruchung^^ insbesondere auf die Herabsetzung der Spapi barkeit längs der Schichten an. · '** ^it happens in objects such as gears, electrical insulation, where z. B. Threads are cut in both directions and the like, for other stresses ^^ especially the reduction of Spapi along the layers. · '** ^
Claims (1)
Verwendung von in bekannter Weise !entglätteten bzw. aufgerauhten Kunstseidengewebein oder -fäden zur Herstellung Kunstharz enthaltender verpreßter Schichtkörper. Claim:
Use of synthetic silk fibers or threads that have been de-smoothed or roughened in a known manner for the production of pressed laminates containing synthetic resin.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEA74838D DE675049C (en) | 1934-12-16 | 1934-12-16 | Hard fabric made of synthetic resin and artificial silk |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEA74838D DE675049C (en) | 1934-12-16 | 1934-12-16 | Hard fabric made of synthetic resin and artificial silk |
Publications (1)
Publication Number | Publication Date |
---|---|
DE675049C true DE675049C (en) | 1939-04-27 |
Family
ID=6946269
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEA74838D Expired DE675049C (en) | 1934-12-16 | 1934-12-16 | Hard fabric made of synthetic resin and artificial silk |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE675049C (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE895829C (en) * | 1946-12-09 | 1953-11-05 | Carter Carburetor Corp | Process for the production of flexible laminates, especially for further processing into pump diaphragms |
-
1934
- 1934-12-16 DE DEA74838D patent/DE675049C/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE895829C (en) * | 1946-12-09 | 1953-11-05 | Carter Carburetor Corp | Process for the production of flexible laminates, especially for further processing into pump diaphragms |
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