DE147575C - - Google Patents

Info

Publication number
DE147575C
DE147575C DENDAT147575D DE147575DA DE147575C DE 147575 C DE147575 C DE 147575C DE NDAT147575 D DENDAT147575 D DE NDAT147575D DE 147575D A DE147575D A DE 147575DA DE 147575 C DE147575 C DE 147575C
Authority
DE
Germany
Prior art keywords
strand
corners
mouthpiece
outlet opening
jaws
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.)
Active
Application number
DENDAT147575D
Other languages
German (de)
Publication of DE147575C publication Critical patent/DE147575C/de
Active legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B3/00Producing shaped articles from the material by using presses; Presses specially adapted therefor
    • B28B3/20Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein the material is extruded
    • B28B3/26Extrusion dies

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)

Claims (1)

PATENTAMTPATENT OFFICE JVf i47575#je!5s eiltJVf i47575 # j e ! 5s rushes KLASSE 80«.CLASS 80 «. Um das Rissigwerden von aus der Tonpresse kommenden Tonsträngen zu vermeiden, ist bereits vorgeschlagen worden, an dem Metallmundstück der Presse, dessen Innenflächen, wie bisher üblich, nach der Austrittsöffnung hin konvergieren, die Wände der Breitseite zwischen den äußeren Ecken unter Wahrung des Profils so zu verlängern, daß diese Verlängerungen an der AustrittsöffnungIn order to avoid cracking of clay strands coming out of the clay press, it has already been suggested that on the metal mouthpiece of the press, the inner surfaces of which as usual, after the exit opening, the walls of the broad side between the outer corners converge below Maintain the profile so that these extensions are at the outlet opening ίο bogenförmig begrenzt sind und in einigem Abstande von den äußersten Ecken des Mundstückkastens endigen. Diese Verlängerungen haben den Zweck, den austretenden Strang in dessen Mitte während seines Austretens zu hemmen und so die Verzögerung, die der Strang in- den Ecken des Mundstücks erleidet, auszugleichen, damit ein Strang von regelmäßiger Dichtigkeit erhalten und ein Rissigwerden der aus demselben gebildeten Formstücke beim Trocknen vermieden wird.ίο are arched and limited in some End spaces from the extreme corners of the mouthpiece box. These extensions have the purpose of keeping the emerging strand in the middle of it as it emerges to inhibit and so the delay suffered by the strand in the corners of the mouthpiece, equalize so that a strand of regular tightness and cracking the molded pieces formed from the same is avoided during drying. Vorliegende Erfindung beabsichtigt, diesen Zweck besonders auch bei Vollsträngen für Backsteine mit größerer Sicherheit zu erhalten. Deshalb besitzt das Mundstück nicht wie bisher konvergierende Innenflächen, sondern besteht aus einem Rahmenstück mit parallel zur Richtung des Stranges gelegenen Seitenflächen, an denen die in der Mitte breiteren, also bogenförmigen Backen derart angeordnet sind, daß zwei von ihnen über die Ecken der Austrittsöffnung hinausragen, während die beiden anderen nicht bis an die Ecken der Austrittsöffnung reichen. Dadurch wird also der Strang während der Führung zwischen den Wänden des Mundstücks an jeder Ecke zunächst immer an einer Seite freigegeben; eine Verzögerung des Stranges in den Ecken wird also in wirksamster Weise verhütet.The present invention intends to achieve this purpose, especially in the case of full strands Obtaining bricks with greater certainty. That's why the mouthpiece doesn't have it as before converging inner surfaces, but consists of a frame piece with parallel to the direction of the strand located side surfaces on which the wider in the middle, so arcuate jaws in such a way are arranged so that two of them protrude beyond the corners of the outlet opening, while the other two do not extend to the corners of the outlet opening. Through this so the strand is attached between the walls of the mouthpiece during the guide each corner initially always released on one side; a delay in the strand in the corners is therefore prevented in the most effective way. Eine Ausführungsform des neuen Mund-Stücks ist in der Zeichnung inOne embodiment of the new mouthpiece is shown in the drawing in Fig. ι in Vorderansicht,Fig. Ι in front view, Fig. 2 im Längsschnitt undFig. 2 in longitudinal section and Fig. 3 im Querschnitt dargestellt.Fig. 3 shown in cross section. Das vorn an die Preßform anzusetzende Mundstück besteht aus einem Rahmen abcd mit dem Profil des Stranges angepaßter Öffnung e, deren Seitenflächen nicht konvergieren, sondern der Strangvorrichtung parallel sind. An diesem Rahmenstück, dessen Stärke natürlieh den jeweiligen Verhältnissen angepaßt ist, sind — zweckmäßig verstellbar — die vier Backen ff1 und g g1 angebracht, welche in der Mitte breiter als an den Ecken sind, deren Innenflächen im übrigen aber die gerädlinige Fortsetzung der Innenflächen der Rahmenöffnung e bilden.The mouthpiece to be attached to the front of the mold consists of a frame abcd with the opening e adapted to the profile of the strand, the side surfaces of which do not converge but are parallel to the strand device. The four jaws ff 1 and gg 1 are attached to this frame piece, the strength of which is naturally adapted to the respective conditions, which are wider in the middle than at the corners, but the inner surfaces of which are otherwise the straight line continuation of the inner surfaces of the Form frame opening e . Die Backen ff1 ragen, wie die Zeichnung erkennen läßt, über die Ecken der Austrittsöffnung e hinaus, die Backen g g1 dagegen reichen nicht bis an die Ecken der Austrittsöffnung e heran. The jaws ff 1 protrude, as the drawing shows, beyond the corners of the outlet opening e , while the jaws gg 1, on the other hand, do not reach the corners of the outlet opening e . Patent-A ν Spruch:Patent-A ν saying: Mundstück für Strangpressen, gekennzeichnet durch ein Rahmenstück (abcd) Mouthpiece for extrusion presses, characterized by a frame piece (abcd) mit parallel zur Richtung· des Stranges gelegenen Seitenflächen, an dem ebenfalls parallel laufende Backen (ff1 g gJ), die in der Mitte breiter als an den Seiten sind, derart angebracht sind, daß an jeder Ecke die eine Backe (f bezw. fx) über die Ecke der Austrittsöffnung (e) hinausragt, während die andere Backe (g bezw. g1) nicht bis an die Ecke der Austrittsöffnung heranreicht. with side surfaces parallel to the direction of the strand, on which jaws (ff 1 gg J ), which are also wider in the middle than on the sides, are attached in such a way that one jaw (f or f x ) protrudes beyond the corner of the outlet opening (e) , while the other jaw (g or g 1 ) does not reach the corner of the outlet opening. Hierzu ι Blatt Zeichnungen.For this purpose ι sheet of drawings.
DENDAT147575D Active DE147575C (en)

Publications (1)

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DE147575C true DE147575C (en)

Family

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE935712C (en) * 1951-06-08 1955-11-24 Pierre Eugene Sylvain Senes Process and device for correcting mouthpieces intended for the manufacture of hollow bricks
FR2441470A1 (en) * 1978-11-16 1980-06-13 Lingl Anlagenbau Adjustable mould for ceramic bricks with transverse holes - has hole formers suspended from beams which slide w.r.t. normal supporting bars

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE935712C (en) * 1951-06-08 1955-11-24 Pierre Eugene Sylvain Senes Process and device for correcting mouthpieces intended for the manufacture of hollow bricks
FR2441470A1 (en) * 1978-11-16 1980-06-13 Lingl Anlagenbau Adjustable mould for ceramic bricks with transverse holes - has hole formers suspended from beams which slide w.r.t. normal supporting bars

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