DE328050C - Process for the production of hollow threads - Google Patents

Process for the production of hollow threads

Info

Publication number
DE328050C
DE328050C DENDAT328050D DE328050DD DE328050C DE 328050 C DE328050 C DE 328050C DE NDAT328050 D DENDAT328050 D DE NDAT328050D DE 328050D D DE328050D D DE 328050DD DE 328050 C DE328050 C DE 328050C
Authority
DE
Germany
Prior art keywords
thread
production
gas
hollow
hollow threads
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
DENDAT328050D
Other languages
German (de)
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.)
ANTON NAGY DR
Original Assignee
ANTON NAGY DR
Publication date
Application granted granted Critical
Publication of DE328050C publication Critical patent/DE328050C/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/24—Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/919—Thermal treatment of the stream of extruded material, e.g. cooling using a bath, e.g. extruding into an open bath to coagulate or cool the material

Description

Verfahren zur Herstellung von Hohlfäden: Gegenstand der Erfindung ist die Herstellung von sehr dünnen Hohlfäden. Gemäß der Erfindung wird der durch Lösung oder Erwärmung plastisch gemachte Rohstoff (Spinnstoff) in einem Preßraum (Zylinder) einem Druck ausgesetzt, durch den er aus einer ringförmigen Offnung in Form einer Röhre herausgepreßt wird. Zur Offenhaltung der Rohrlichtung wird aus einer innerhalb des Ringes mündenden Offnung ein Gas unter variablem Drucke in der Austrittsrichtung ausgetrieben. Nachdem die Masse den Preßraum verlassen hat, wird ihr Gelegenheit gegeben, durch Abkühlung, durch Verflüchtigung des Lösungsmittels oder durch Diffusion aus dem flüssigen bzw. halbflüssigen Zustand in den endgültigen festen überzugehen. Während dies geschieht, wird der jetzt noch verhältnismäßig dicke Hohlfaden durch Zugwirkung, ähnlich wie beim Ausziehen dicker Glasröhren zu feinen, ausgezogen, verlängert und verdünnt.Process for the production of hollow fibers: the subject of the invention is the production of very thin hollow fibers. According to the invention, the Solution or heating of plasticized raw material (textile material) in a press room (Cylinder) exposed to a pressure by which it flows out of an annular opening into The shape of a tube is pressed out. To keep the tube clearing open, turns off an opening opening inside the ring, a gas under variable pressure in the Direction of exit driven out. After the mass has left the press room, will given the opportunity, by cooling, by volatilization of the solvent or by diffusion from the liquid or semi-liquid state into the final one solid to pass. While this is happening, it is now becoming proportionate thick hollow filament by pulling action, similar to pulling out thick glass tubes fine, drawn out, elongated and thinned.

Die Zeichnung veranschaulicht schematisch eine Vorrichtung zur Ausführung des neuen Verfahrens. In dem Preßzylinder z steht das Material (Spinnstoff) unter dem Druck des Kolbens a. Im Boden 3 des Zylinders ist mit durch ein Gewinde veränderlichem Spielraum ein Kegelpfropfen 4 eingesetzt, der eine zentrale Bohrung 5 aufweist. Durch Schlitze 6, die das Kegelgewinde durchsetzen, kann die Masse austreten. An den Kegelpfropfen ist im Innern des Zylinders ein Rohr 7 angeschlossen, das durch den Boden des Zylinders hindurchgeführt ist. Durch dieses Rohr kann von außen Luft oder andere Gase in den Hohlraum des Fadens eingeführt werden. Nach dem Austritt des Spinnstoffes wird das röhrenförmige Gebilde durch eine (nicht dargestellte) Zugvorrichtung einer Dehnung ausgesetzt, wodurch der Hohlfaden verlängert und sein- Kaliber und seine Wandstärke verringert werden', während seine äußere Schicht zur endgültigen festen Konsistenz übergeht. Dieser Übergang kann durch Abkühlung, Entziehung des Lösungsmittels oder eine chemische Reaktion beschleunigt werden.The drawing schematically illustrates an apparatus for implementation of the new procedure. In the press cylinder z, the material (textile material) is below the pressure of the piston a. In the bottom 3 of the cylinder is variable with a thread A conical plug 4 having a central bore 5 is used. The mass can emerge through slots 6 that penetrate the conical thread. At the cone plug is connected to a pipe 7 inside the cylinder, which through is passed through the bottom of the cylinder. Air can flow through this pipe from the outside or other gases are introduced into the cavity of the thread. After leaving of the textile material, the tubular structure is replaced by a (not shown) Pulling device exposed to stretching, whereby the hollow thread is elongated and its Caliber and its wall thickness are reduced 'while its outer layer increases final solid consistency. This transition can be through cooling, withdrawal the solvent or a chemical reaction can be accelerated.

Claims (4)

PATENT-ANsPRÜcHE: r. "Verfahren zur Herstellung von Hohlfäden, dadurch gekennzeichnet, daß' in die Fadenhöhlung während der Fadenbildung ein Gas, zweckmäßig Luft, eingeleitet wird. z. PATENT CLAIMS: r. "Process for the production of hollow fibers, thereby characterized in that 'in the thread cavity during thread formation, a gas, expedient Air, is introduced. z. Verfahren nach Anspruch r, dadurch gekennzeichnet, daß auf den Faden, während seine Höhlung mit Gas gefüllt ist, ein Zug ausgeübt wird, der eine Streckung des Fadens hervorruft. Method according to claim r, characterized in that a tension is exerted on the thread while its cavity is filled with gas, which causes the thread to stretch. 3. Vorrichtung zur Ausführung des Verfahrens nach Anspruch z mit ringförmiger Austrittsöffnung für die Spinnmasse, dadurch gekennzeichnet, daß konzentrisch innerhalb der Ringöffnung eine Gasaustrittsdüse angeordnet ist. 3. Apparatus for carrying out the method according to claim z with an annular outlet opening for the spinning mass, characterized in that that a gas outlet nozzle is arranged concentrically within the ring opening. 4. Vorrichtung nach Anspruch z, dadurch gekennzeichnet, daß die Ringöffnung durch Verschraubung eines Kegels innerhalb einer Höhlkegelbohrung am Boden . des Preßgefäßes verändert werden kann.4. Apparatus according to claim z, characterized in that the ring opening through Screw connection of a cone within a hollow cone bore on the floor. of the press vessel can be changed.
DENDAT328050D Process for the production of hollow threads Expired DE328050C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE328050T

Publications (1)

Publication Number Publication Date
DE328050C true DE328050C (en) 1920-10-22

Family

ID=6185593

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT328050D Expired DE328050C (en) Process for the production of hollow threads

Country Status (1)

Country Link
DE (1) DE328050C (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE760891C (en) * 1940-08-30 1953-06-15 Degussa Spinneret for producing fine artificial hollow threads
DE948732C (en) * 1952-01-01 1956-09-06 Degussa Spinneret for the production of synthetic hollow threads
DE1102339B (en) * 1953-08-31 1961-03-16 Degussa Spinning device for the production of synthetic hollow threads
DE1178974B (en) * 1958-06-11 1964-10-01 Schweizerische Viscose Artificial raffia material and process for its manufacture
DE1181366B (en) * 1959-06-03 1964-11-12 Heraeus Gmbh W C Multi-hole spinning nozzle for the production of hollow threads
DE1209239B (en) * 1956-10-29 1966-01-20 Trikotfabriken J Schiesser A G Process for drawing a melt-spun hollow filament
DE10155901A1 (en) * 2001-11-14 2003-05-15 Mann & Hummel Filter Process for producing a coating on a hollow fiber

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE760891C (en) * 1940-08-30 1953-06-15 Degussa Spinneret for producing fine artificial hollow threads
DE948732C (en) * 1952-01-01 1956-09-06 Degussa Spinneret for the production of synthetic hollow threads
DE1102339B (en) * 1953-08-31 1961-03-16 Degussa Spinning device for the production of synthetic hollow threads
DE1209239B (en) * 1956-10-29 1966-01-20 Trikotfabriken J Schiesser A G Process for drawing a melt-spun hollow filament
DE1178974B (en) * 1958-06-11 1964-10-01 Schweizerische Viscose Artificial raffia material and process for its manufacture
DE1181366B (en) * 1959-06-03 1964-11-12 Heraeus Gmbh W C Multi-hole spinning nozzle for the production of hollow threads
DE10155901A1 (en) * 2001-11-14 2003-05-15 Mann & Hummel Filter Process for producing a coating on a hollow fiber

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