EP0342335A2 - Process for engobing or glazing roofing tiles - Google Patents

Process for engobing or glazing roofing tiles Download PDF

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Publication number
EP0342335A2
EP0342335A2 EP89105195A EP89105195A EP0342335A2 EP 0342335 A2 EP0342335 A2 EP 0342335A2 EP 89105195 A EP89105195 A EP 89105195A EP 89105195 A EP89105195 A EP 89105195A EP 0342335 A2 EP0342335 A2 EP 0342335A2
Authority
EP
European Patent Office
Prior art keywords
glazing
engobing
roof tiles
roof
base
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.)
Granted
Application number
EP89105195A
Other languages
German (de)
French (fr)
Other versions
EP0342335B1 (en
EP0342335A3 (en
Inventor
Max Müller
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.)
Hans Lingl Anlagenbau und Verfahrenstechnik GmbH and Co KG
Original Assignee
Hans Lingl Anlagenbau und Verfahrenstechnik GmbH and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hans Lingl Anlagenbau und Verfahrenstechnik GmbH and Co KG filed Critical Hans Lingl Anlagenbau und Verfahrenstechnik GmbH and Co KG
Priority to AT89105195T priority Critical patent/ATE80338T1/en
Publication of EP0342335A2 publication Critical patent/EP0342335A2/en
Publication of EP0342335A3 publication Critical patent/EP0342335A3/en
Application granted granted Critical
Publication of EP0342335B1 publication Critical patent/EP0342335B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
    • B28B11/04—Apparatus or processes for treating or working the shaped or preshaped articles for coating or applying engobing layers
    • B28B11/044—Apparatus or processes for treating or working the shaped or preshaped articles for coating or applying engobing layers with glaze or engobe or enamel or varnish
    • 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
    • B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
    • B28B11/04—Apparatus or processes for treating or working the shaped or preshaped articles for coating or applying engobing layers
    • B28B11/048—Apparatus or processes for treating or working the shaped or preshaped articles for coating or applying engobing layers by spraying or projecting

Definitions

  • the invention relates to a method for engobing or glazing roof tiles which, lying on a ceramic base, are dried and fired.
  • roof tiles have not been engobed or glazed in a dry state on a ceramic base because the engobe or glaze jet would wet the base.
  • the glaze or engobe would build up over time and lead to soiling of the roof tiles and sticking of the underlay. But all of this means an undesirable reduction in quality.
  • Roof tiles that are dried and fired on ceramic substrates are therefore usually wet-engobed or glazed, which is associated with a considerable reduction in quality.
  • the invention is therefore based on the object of demonstrating a method with which roof tiles dried and fired on ceramic substrates are engobed between drying and firing or can be glazed without having to remove them from the base.
  • the claim 2 indicates an additional protective measure for the base against jet wetting.
  • the advantage of the method according to the invention is that the drying, engobing or glazing and firing of the roof tiles can be carried out quickly as a result of the roof tiles remaining on their base and the operating and cost expenditure is kept low.
  • a roof tile 1 lies on a ceramic base 2, which is designed here as a cassette and serves as support for drying or firing the roof tile 1.
  • the roof tile 1 has the dimensions A ', B' and is covered by a screen 4 during glazing or engobing, which has a section A, B.
  • This section A, B is slightly smaller than the area of the brick determined by the dimensions A ', B', and so much smaller that the ceramic base is shielded from the glaze or engobes, but the roof tile is glazed or engobed clean .
  • the roof tile 1 can be placed on paper 3 additionally laid on the ceramic base 2 and prepared with quartz sand and / or kaolin.
  • the paper pad prevents glaze or engobes from sticking to the ceramic surface if the method of working is not quite correct.

Abstract

Process for engobing or glazing of roof tiles which, placed upon a ceramic substrate, are dried and fired, the roof tiles being engobed or glazed after drying while remaining on their substrate, by covering them with a screen having a cut-out which is smaller than the surface area of the tile to such an extent that the substrate is screened from the engobing or glazing jet, but the roof tile is glazed or engobed with clean edges. <IMAGE>

Description

Die Erfindung betrifft ein Verfahren zum Engobieren oder Glasieren von Dachziegeln, die, auf einer keramischen Unter­lage liegend, getrocknet und gebrannt werden.The invention relates to a method for engobing or glazing roof tiles which, lying on a ceramic base, are dried and fired.

Dachziegel werden bislang nicht in trockenem Zustand auf einer keramischen Unterlage engobiert oder glasiert, weil der Engobe- oder Glasurstrahl die Unterlage benetzen würde. Die Glasur oder Engobe würde mit der Zeit aufbauen zur Verschmutzung der Dach­ziegel und zum Kleben der Unterlage führen. Dies alles bedeutet aber eine nicht erwünschte Qualitätsminderung.Until now, roof tiles have not been engobed or glazed in a dry state on a ceramic base because the engobe or glaze jet would wet the base. The glaze or engobe would build up over time and lead to soiling of the roof tiles and sticking of the underlay. But all of this means an undesirable reduction in quality.

Das Engobieren oder Glasieren von Dachziegeln nach dem Trocknen und vor dem Brennen ohne die unterstützende Unterlage hat sich aber nicht durchgesetzt, weil dann eine Vielzahl von Handhabungen erforderlich ist, nämlich das Trocknen der Dachziegel auf der Unter­lage, das Abnehmen der Dachziegel von der Unterlage vor dem Engo­bieren oder Glasieren und das Wiederumsetzen der Dachziegel auf die Unterlage vor dem Brennen.However, the engobing or glazing of roof tiles after drying and before firing without the supporting base did not prevail because a large number of manipulations are then required, namely drying the roof tiles on the base, removing the roof tiles from the base in front of the Engob or glaze and reposition the roof tiles on the surface before firing.

Auf keramischen Unterlagen getrocknete und gebrannte Dachziegel werden deshalb in der Regel naß engobiert oder glasiert, was mit erheblicher Qualitätsminderung verbinden ist.Roof tiles that are dried and fired on ceramic substrates are therefore usually wet-engobed or glazed, which is associated with a considerable reduction in quality.

Der Erfindung liegt daher die Aufgabe zugrunde, ein Verfahren aufzu­zeigen, mit dem auf keramischen Unterlagen getrocknete und ge­brannte Dachziegel zwischen dem Trocknen und Brennen engobiert oder glasiert werden können, ohne daß sie dazu von der Unter­lage abgenommen werden müssen.The invention is therefore based on the object of demonstrating a method with which roof tiles dried and fired on ceramic substrates are engobed between drying and firing or can be glazed without having to remove them from the base.

Diese Aufgabe wird mit den im kennzeichnenden Teil des An­spruchs 1 aufgeführten Maßnahmen gelöst.This object is achieved with the measures listed in the characterizing part of claim 1.

Der Anspruch 2 kennzeichnet eine zusätzliche Schutzmaßnahme für die Unterlage gegen Strahlbenetzung.The claim 2 indicates an additional protective measure for the base against jet wetting.

Der Vorteil des erfindungsgemäßen Verfahrens besteht darin, daß das Trocknen, Engobieren oder Glasieren und Brennen der Dachziegel infolge des Verbleibens der Dachziegel auf ihrer Unterlage zügig durchführbar ist und der Betriebs- sowie Kostenaufwand niedrig gehalten wird.The advantage of the method according to the invention is that the drying, engobing or glazing and firing of the roof tiles can be carried out quickly as a result of the roof tiles remaining on their base and the operating and cost expenditure is kept low.

Ein Ausführungsbeispiel des Verfahrens ist in der Zeichnung dargestellt und nachstehend naher erläutert. Es zeigen:

  • Fig .1 eine Draufsicht einer keramischen Unterlage mit einem daraufliegenden Dachziegel
  • Fig. 2 einen Schnitt durch die keramische Unterlage während des Glasier- oder Engobiervorganges.
An embodiment of the method is shown in the drawing and explained in more detail below. Show it:
  • Fig .1 is a plan view of a ceramic base with a roof tile thereon
  • Fig. 2 shows a section through the ceramic base during the glazing or engobing process.

Ein Dachziegel 1 liegt auf einer keramischen Unterlage 2, die hier als Kassette ausgebildet ist und als Unterstützung beim Trocknen bzw. Brennen das Dachziegels 1 dient. Der Dach­ziegel 1 hat die Abmessungen A′, B′ und wird während des Glasierens oder Engobierens von einer Blende 4 überdeckt, die einen Ausschnitt A, B aufweist. Dieser Ausschnitt A, B ist etwas kleiner als die durch die Abmessungen A′, B′ be­stimmte Fläche des Ziegels, und zwar um so viel kleiner, daß die keramische Unterlage gegen den Glasur- oder Engobe­strahl abgeschirmt, der Dachziegel aber kantenrein glasiert oder engobiert wird.A roof tile 1 lies on a ceramic base 2, which is designed here as a cassette and serves as support for drying or firing the roof tile 1. The roof tile 1 has the dimensions A ', B' and is covered by a screen 4 during glazing or engobing, which has a section A, B. This section A, B is slightly smaller than the area of the brick determined by the dimensions A ', B', and so much smaller that the ceramic base is shielded from the glaze or engobes, but the roof tile is glazed or engobed clean .

Der Dachziegel 1 kann auf ein auf der keramischen Unterlage 2 zusätzlich aufgelegtes, mit Quarzsand und/oder Kaolin prä­pariertes Papier 3 abgelegt werden. Die Papierauflage verhindert, daß bei nicht ganz sachgemäßer Arbeitsweise Glasur- oder Engobe­spritzer auf der keramischen Unterlage kleben bleiben.The roof tile 1 can be placed on paper 3 additionally laid on the ceramic base 2 and prepared with quartz sand and / or kaolin. The paper pad prevents glaze or engobes from sticking to the ceramic surface if the method of working is not quite correct.

Claims (2)

1. Verfahren zum Engobieten oder Glasieren von Dachziegeln, die auf einer keramischen Unterlage liegend, getrocknet und gebrannt werden, dadurch gekennzeichnet, daß die Dachziegel nach dem Trocknen,auf ihrer Unterlage verbleibend, engobiert oder glasiert werden, wobei sie durch eine Blende mit einem Ausschnitt überdeckt wer­den, der so viel kleiner ist als die Fläche des Dachziegels, daß die Unterlage gegen den Engobe- oder Glasierstrahl abgeschirmt ist.1. A method for engobetting or glazing roof tiles, which are lying on a ceramic surface, dried and fired, characterized in that after drying, the roof tiles are left on their surface, engobed or glazed, being covered by a panel with a cutout be covered, which is so much smaller than the surface of the roof tile that the base is shielded from the Engobe or glazing beam. 2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die Unterlage zusätzlich durch ein mit Quarzsand- und/­oder Kaolin präpariertes Papier bedeckt wird und der Dach­ziegel auf dem Papier liegt.2. The method according to claim 1, characterized in that the underlay is additionally covered by a paper prepared with quartz sand and / or kaolin and the roof tile lies on the paper.
EP89105195A 1988-05-20 1989-03-23 Process for engobing or glazing roofing tiles Expired - Lifetime EP0342335B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89105195T ATE80338T1 (en) 1988-05-20 1989-03-23 PROCESS FOR ENGOBING OR GLAZING ROOF TILES.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3817231A DE3817231C1 (en) 1988-05-20 1988-05-20
DE3817231 1988-05-20

Publications (3)

Publication Number Publication Date
EP0342335A2 true EP0342335A2 (en) 1989-11-23
EP0342335A3 EP0342335A3 (en) 1990-08-29
EP0342335B1 EP0342335B1 (en) 1992-09-09

Family

ID=6354789

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89105195A Expired - Lifetime EP0342335B1 (en) 1988-05-20 1989-03-23 Process for engobing or glazing roofing tiles

Country Status (3)

Country Link
EP (1) EP0342335B1 (en)
AT (1) ATE80338T1 (en)
DE (2) DE3817231C1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0878679A3 (en) * 1997-05-14 2000-12-06 EISENMANN MASCHINENBAU KG (Komplementär: EISENMANN-Stiftung) Process for drying tiles, in particular roof tiles
CN110078522A (en) * 2019-04-22 2019-08-02 景德镇欧神诺陶瓷有限公司 A kind of ceramic tile production process

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4023290C1 (en) * 1990-07-21 1991-09-05 Hans Lingl Anlagenbau Und Verfahrenstechnik Gmbh & Co Kg, 7910 Neu-Ulm, De
DE19638297C1 (en) * 1996-08-16 1997-12-11 Bayerische Dachziegelwerke Bog Producing clay roof tiles

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE740469C (en) * 1938-11-04 1943-10-21 Hans Lingl Device for engobing a clay strand or moldings
US3560236A (en) * 1968-12-30 1971-02-02 Scm Corp Method and composition for preferentially glazing ceramic bodies

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE740469C (en) * 1938-11-04 1943-10-21 Hans Lingl Device for engobing a clay strand or moldings
US3560236A (en) * 1968-12-30 1971-02-02 Scm Corp Method and composition for preferentially glazing ceramic bodies

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0878679A3 (en) * 1997-05-14 2000-12-06 EISENMANN MASCHINENBAU KG (Komplementär: EISENMANN-Stiftung) Process for drying tiles, in particular roof tiles
CN110078522A (en) * 2019-04-22 2019-08-02 景德镇欧神诺陶瓷有限公司 A kind of ceramic tile production process

Also Published As

Publication number Publication date
DE58902232D1 (en) 1992-10-15
ATE80338T1 (en) 1992-09-15
EP0342335B1 (en) 1992-09-09
DE3817231C1 (en) 1989-01-05
EP0342335A3 (en) 1990-08-29

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