DE306952C - - Google Patents

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Publication number
DE306952C
DE306952C DENDAT306952D DE306952DA DE306952C DE 306952 C DE306952 C DE 306952C DE NDAT306952 D DENDAT306952 D DE NDAT306952D DE 306952D A DE306952D A DE 306952DA DE 306952 C DE306952 C DE 306952C
Authority
DE
Germany
Prior art keywords
marl
stones
mineral
cement
sand
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
DENDAT306952D
Other languages
German (de)
Publication of DE306952C publication Critical patent/DE306952C/de
Active legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B14/00Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B14/02Granular materials, e.g. microballoons
    • C04B14/04Silica-rich materials; Silicates

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Civil Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Description

KAISERLICHESIMPERIAL

PATENTAMT.PATENT OFFICE.

PATENTSGHRIFTPATENT GIFT

- JVi 306952 KLASSE 80 b. GRUPPE- JVi 306952 CLASS 80 b. GROUP

Das Mineral Mergel, das an Stellep in so massigen Lagen wie Sand und · Kies auftritt, ist eine harte Masse, die aus Ton, Sand und Kalk zusammengefügt und mit Steinen durchsetzt ist. Dieses Mineral kann zur Herstellung von Ziegelsteinen nicht verwendet werden, da die kleinen Kalkteile beim Brennen der Steine sich in Ätzkalk verwandeln, welcher, sobald er an die feuchte Luft kommt, löscht undThe mineral marl, which occurs at Stellep in layers as massive as sand and gravel, is a hard mass composed of clay, sand and lime and interspersed with stones is. This mineral cannot be used to make bricks, because the small pieces of lime turn into quicklime when the stones are burned, which as soon as he comes into the humid air, extinguishes and

ίο dabei die Steine, in kleine Stücke zerlegt. Ebensp schädlich wirkt der Mergel, wenn er in kleinen Teilen dem Sand bzw. dem Kies beiliegt, der zur Herstellung von Beton oder Sandsteinen verwendet werden soll. Die kleinen festen, mit Erdfeuchtigkeit gesättigten Klümpchen nehmen das Bindemittel Kalk oder Zement nicht in sich auf, bilden vielmehr kleine Körperchen, die von dem Abbinden der sie umgebenden Masse nicht berührt werden. Sie trocknen dementsprechend auch weitaus langsamer und machen dann durch die Hohlräume, die das enge Zusammenziehen der Trocknung mit sich bringt, den Stein rissig bzw. brüchig. Wird ein solcher Stein dem Wasser oder der Feuchtigkeit ausgesetzt, so bricht er auseinander, weil die Mergelteile sich wieder erneut ausdehnen.ίο doing the stones, cut into small pieces. The marl is just as damaging when it is in small parts on the sand or gravel enclosed, which is to be used for the production of concrete or sandstones. The small solid lumps saturated with soil moisture take the binding agent lime or Cement does not build itself up, rather it forms small bodies that are not affected by the setting of the mass surrounding them. Accordingly, they also dry much more slowly and then make the tight contraction through the cavities the drying brings with it, the stone cracked or brittle. Will be such a stone When exposed to water or moisture, it breaks apart because the marl parts expand again.

Es ist deshalb. das Mineral Mergel für bauliche Zwecke nicht verwendet worden.:It is therefore. the mineral marl has not been used for building purposes .:

Die Erfindung besteht nun darin, den Mergel zunächst lufttrocken zu machen und ihn alsdann durch Walzwerke und Schleudermühlen zu einem feinen lÄehl zu vermählen. Unter Hinzusetzung von Zement und wenig Wasser wird in der Mischmaschine ejne homogene Masse erzeugt, die in Handform oder durchs Pressen zu Steinen oder Platten verarbeitet wird.The invention now consists in first making the marl air-dry and then to grind it into a fine flour by rolling mills and centrifugal mills. By adding cement and a little water, a homogeneous one is created in the mixer Mass produced, which is processed into stones or slabs by hand or by pressing will.

Dadurch, daß die einzelnen Teile dieses Minerals zu winzigen Partikeln vermählen werden, verbinden sie sich untereinander und mit dem gleich feinen Zement gleichmäßig und innig, binden mit diesem vorzüglich ab, so daß das. hergestellte Fabrikat absolut wetterbeständig, stark und fest zusammengefügt ist und allen baulichen Ansprüchen genügt. ; νBy grinding the individual parts of this mineral into tiny particles they bond with each other and with the equally fine cement and intimately, bind with this excellently, so that the manufactured product is absolute is weatherproof, strong and firmly assembled and meets all structural requirements enough. ; ν

Claims (1)

Patent-Anspruch: : Patent claim: Verfahren zur Herstellung von zementhaltigen Kunststeinen und: Platten, dadurch gekennzeichnet, daß der 'Zement mit lufttrockenem feingemähleneni Mergel vermischt wird. -Process for the production of cementitious artificial stones and: slabs, thereby marked that the 'cement with air-dry, finely ground egg marl is mixed. -
DENDAT306952D Active DE306952C (en)

Publications (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040198623A1 (en) * 1997-07-07 2004-10-07 Calvert John Richard Oral feeding bottle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040198623A1 (en) * 1997-07-07 2004-10-07 Calvert John Richard Oral feeding bottle

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