DE73403C - Process for the production of earthen or porcelain filter bodies - Google Patents

Process for the production of earthen or porcelain filter bodies

Info

Publication number
DE73403C
DE73403C DENDAT73403D DE73403DA DE73403C DE 73403 C DE73403 C DE 73403C DE NDAT73403 D DENDAT73403 D DE NDAT73403D DE 73403D A DE73403D A DE 73403DA DE 73403 C DE73403 C DE 73403C
Authority
DE
Germany
Prior art keywords
core
earthen
filter bodies
production
porcelain filter
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 - Lifetime
Application number
DENDAT73403D
Other languages
German (de)
Original Assignee
A. da SILVA PRADO in Paris und B. MEDINA-SANTÜRIO in Houilles
Publication of DE73403C publication Critical patent/DE73403C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/06—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by burning-out added substances by burning natural expanding materials or by sublimating or melting out added substances
    • C04B38/063—Preparing or treating the raw materials individually or as batches
    • C04B38/0635—Compounding ingredients
    • C04B38/0645—Burnable, meltable, sublimable materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/34—Moulds, cores, or mandrels of special material, e.g. destructible materials
    • B28B7/342—Moulds, cores, or mandrels of special material, e.g. destructible materials which are at least partially destroyed, e.g. broken, molten, before demoulding; Moulding surfaces or spaces shaped by, or in, the ground, or sand or soil, whether bound or not; Cores consisting at least mainly of sand or soil, whether bound or not
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00793—Uses not provided for elsewhere in C04B2111/00 as filters or diaphragms

Description

KAISERLICHESIMPERIAL

PATENTAMT.PATENT OFFICE.

Die vorliegende Erfindung bezieht sich auf ein Verfahren zur Herstellung keramischer Gegenstände, welches vorzugsweise zur Herstellung von hohlen Filterkörpern aus Thon oder Porzellan, welche man früher entweder durch Formen oder Giefsen' herstellte, geeignet ist.The present invention relates to a method of making ceramic Objects, which are preferably used for the production of hollow filter bodies made of clay or porcelain, which was previously made either by molding or casting is.

Das Verfahren besteht im wesentlichen in der Anwendung eines aus einer leicht schmelzbaren MetalUegirung hergestellten Kernes, dessen Form dem Hohlräume des herzustellenden Filterhohlkörpers entspricht, und auf welchen eine Schicht von leicht angefeuchteter Porzellanerde oder dergleichen aufgetragen wird, welche alsdann durch Matrizen unter hohem Druck fest an den Kern angeprefst wird, worauf, nachdem die Porzellanmasse vollständig ausgetrocknet ist, durch Erhitzen der leicht schmelzbare Kern geschmolzen und aus dem Hohlraum entfernt wird. Nach dem Entfernen des Kernes unterwirft man alsdann den entstandenen Hohlkörper in der üblichen Weise dem Brennen.The method consists essentially in the use of one of an easily fusible one MetalUegirung manufactured core, the shape of the cavities of the to be manufactured Filter hollow body corresponds, and on which a layer of slightly moistened china clay or the like is applied, which then through matrices under high pressure is firmly pressed against the core, whereupon after the porcelain mass has completely dried out is, the easily fusible core is melted by heating and removed from the cavity. After removing the core is then subjected to the resulting hollow body in the usual way the burning.

Als Beispiel und Ergänzung des Vorhergehenden veranschaulicht die Zeichnung einen Schnitt und Aufrifs (Fig. 1 und 2) eines Filterkörpers. Der Theil α besteht aus einem Stück von geprefstem keramischen Pulver. Der Kern b, Fig. 3 und 4, der bei der Herstellung den Hohlraum des Filterkörpers ausfüllt, besteht aus einem leicht schmelzbaren und gegen Druck widerstandsfähigen Material. Dieser Kern ist an seinem äufseren Theil mit drei oder mehreren Warzen oder Vorsprüngen c versehen, welche dazu dienen, denselben in seiner mittleren Lage zu erhalten. Fig. 4 ist ein Verticalschnitt durch Fig. 3. Die mittlere Ausbauchung d des Kernes kommt mit der inneren Fläche der Matrize nicht in Berührung. Beim Ausschmelzen läfst der Kern am Umfang des Filterkörpers Oeffnungen zurück, die den Vorsprüngen c am Kern entsprechen und durch welche die geschmolzene Masse abläuft. Diese Löcher werden nachher durch irgend welche bekannte Mittel geschlossen. Es bleibt hierauf nur noch übrig, die mittlere Durchbohrung e an dem Filterkörper anzubringen.As an example and as a supplement to the foregoing, the drawing illustrates a section and elevation (FIGS. 1 and 2) of a filter body. The part α consists of a piece of pressed ceramic powder. The core b, FIGS. 3 and 4, which fills the cavity of the filter body during manufacture, consists of an easily meltable and pressure-resistant material. This nucleus is provided on its outer part with three or more protrusions or projections c , which serve to keep it in its central position. Fig. 4 is a vertical section through Fig. 3. The central bulge d of the core does not come into contact with the inner surface of the die. When it is melted out, the core leaves openings on the periphery of the filter body which correspond to the projections c on the core and through which the molten mass runs off. These holes are subsequently closed by any known means. It then only remains to attach the central through hole e to the filter body.

Obwohl im Vorstehenden nur ein Beispiel für die Gegenstände gezeigt ist, die man durch die Anwendung des vorliegenden Verfahrens herstellen kann, so kann man auch aufser Filterkörpern, seien sie röhrenförmig, seien sie scheibenförmig, auch andere Gegenstände nach diesem Verfahren herstellen.Although the foregoing is just an example of the items you can go through the application of the present process can produce, so you can also onser filter bodies, if they are tubular, if they are disc-shaped, other objects can also be produced using this process.

Claims (2)

Patent-Ansprüche:Patent Claims: ι . Ein Verfahren zur Herstellung irdener oder porzellanener Filterkörper, gekennzeichnet durch die Anwendung eines leicht schmelzbaren Kernes, auf welchen das keramische Material in Form von angefeuchtetem Pulver aufgeprefst, alsdann getrocknet und behufs Ausschmelzens des Metallkernes auf die Schmelztemperatur des letzteren erhitzt wird, um alsdann gegebenenfalls einem Brennprocefs unterworfen zu werden.ι. A method for producing earthen or porcelain filter bodies, characterized by using an easily fusible core on which the ceramic Material pressed on in the form of moistened powder, then dried and prepared Melting out the metal core is heated to the melting temperature of the latter, in order to then optionally one To be subjected to burning proceses. 2. Eine Ausführungsform des unter 1. gekennzeichneten Verfahrens, bei welchem das keramische Material durch zwei- oder mehrtheilige Formen auf den Kern aufgeprefst wird.2. An embodiment of the under 1. marked Process in which the ceramic material is pressed onto the core by means of two-part or multi-part molds will. Hierzu 1 Blatt Zeichnungen.1 sheet of drawings.
DENDAT73403D Process for the production of earthen or porcelain filter bodies Expired - Lifetime DE73403C (en)

Publications (1)

Publication Number Publication Date
DE73403C true DE73403C (en)

Family

ID=346537

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT73403D Expired - Lifetime DE73403C (en) Process for the production of earthen or porcelain filter bodies

Country Status (1)

Country Link
DE (1) DE73403C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1201305B (en) * 1961-08-05 1965-09-23 Progress Engineers Ltd Plate for filter presses

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1201305B (en) * 1961-08-05 1965-09-23 Progress Engineers Ltd Plate for filter presses

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