DE586143C - Process for coating pipes, in particular centrifugally cast pipes - Google Patents

Process for coating pipes, in particular centrifugally cast pipes

Info

Publication number
DE586143C
DE586143C DEV27801D DEV0027801D DE586143C DE 586143 C DE586143 C DE 586143C DE V27801 D DEV27801 D DE V27801D DE V0027801 D DEV0027801 D DE V0027801D DE 586143 C DE586143 C DE 586143C
Authority
DE
Germany
Prior art keywords
pipes
coating
bath
centrifugally cast
temperature
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
DEV27801D
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.)
Vereinigte Stahlwerke AG
Original Assignee
Vereinigte Stahlwerke AG
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 Vereinigte Stahlwerke AG filed Critical Vereinigte Stahlwerke AG
Priority to DEV27801D priority Critical patent/DE586143C/en
Application granted granted Critical
Publication of DE586143C publication Critical patent/DE586143C/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/22—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to internal surfaces, e.g. of tubes

Description

Verfahren zum Überziehen von Rohren, insbesondere Schleudergußrohren Die Erfindung betrifft eine weitere Ausbildung des Verfahrens des Hauptpatents 572 5o6 und hat den Zweck, das Temperieren in bestmöglicher Weise an die jeweilige Beschaffenheit der überzugsstoffe anzupassen.Process for coating pipes, in particular centrifugally cast pipes The invention relates to a further development of the process of the main patent 572 506 and has the purpose of adapting the temperature control in the best possible way to the particular nature of the coating materials.

Nach der Erfindung wird die jeweilige Badtemperatur der höchstzulässigen Erhitzungstemperatur des jeweiligen überzugsstoffes derart angepaßt, daß eine unzulässige Erhitzung des überzugsstoffes nicht eintreten kann. .Besteht z. B. der Überzugsstoff aus Bitumen, die aus. Erdöl gewonnen. sind und bei 22o° C verkracken bzw. aus Teeröl -und Pech mit einer Kracktemperatur von -ungefähr iqo° C, so wird die Badtemperatur so gewählt, daß die Röhren nach dem Temperieren die fraglichen Kracktemperaturen nicht übersteigen.According to the invention, the respective bath temperature is the highest permissible Heating temperature of the respective coating material adjusted so that an impermissible Heating of the coating material cannot occur. .Is there e.g. B. the covering material from bitumen that made. Won petroleum. and crackle at 22o ° C or from tar oil -and pitch with a cracking temperature of -approximately iqo ° C, the bath temperature becomes chosen so that the tubes reach the cracking temperatures in question after tempering not exceed.

Zur genauen Einstellung der jeweiligen Badtemperaturen eignen sich besonders öl, Pech, Paraffin und andere hochsiedende Kohlenwassergtoffe sowie ihre Mischungen. Mit besonderem Vorteil besteht das Bad bei Benutzung zusammengesetzter überzugsmassen aus demjenigen Bestandteil, in welchem der andere oder die anderen Bestandteile des überzugsstoffes gelöst sind. Wird also z. B. als überzugsmasse eine Lösung von Pech in Teeröl benutzt, so wird als Bad Teeröl oder eine Lösung von Pech in Teeröl geringerer Konzentration als die eigentliche! Überzugsmasse benutzt. Dadurch vermeidet man nicht nur ein Überschreiten der Kracktemperatur des Überzugsstoffes, sondern erzielt noch eine besonders innige Verbindung der überzugsmasse mit den Röhren und dadurch in überaus wirtschaftlicher Weise eine Steigerung der Haltbarkeit des üb,erzuges und der Leitungen nach ihrer Verlegung.For the exact setting of the respective bath temperatures are suitable especially oil, pitch, paraffin and other high-boiling hydrocarbons and theirs Mixtures. The bath is particularly advantageous when it is used in combination coating compositions from that component in which the other or the others Components of the coating material are dissolved. So z. B. as a coating mass a solution of pitch in tar oil is used as bath tar oil or a solution of pitch in tar oil lower concentration than the actual! Coating compound used. This not only avoids exceeding the cracking temperature of the coating material, but still achieves a particularly intimate connection between the coating compound and the Tubes and thus an increase in durability in an extremely economical way of the transfer train and the lines after they have been laid.

Claims (1)

PATRNTANSPRUCI3: Verfahren zum Überziehen von Rohren, insbesondere Schleuderguß,rohren, mit bituminösen Stoffen unter Verwendung eines die Temperatur ausgleichenden Bades nach der Erhitzung vor dem Aufbringen der Anstrichmasse nach Patent 572 5o6, dadurch gekennzeichnet, daß, ein Bad aus ölen, hochsiedenden Kohlenwasserstoffen o. dgl. oder ein Bad aus den Bestandteilen der überzugsmasse mit einem größeren Gehalt an Verdünnungsmittel verwendet wird.PATRNTANSPRUCI3: Process for coating pipes, in particular centrifugal casting, pipes, with bituminous substances using a temperature-equalizing bath after heating before applying the paint according to patent 572 5o6, characterized in that a bath of oils, high-boiling hydrocarbons or the like. Like. Or a bath from the constituents of the coating composition with a larger content of diluent is used.
DEV27801D 1932-02-14 1932-02-14 Process for coating pipes, in particular centrifugally cast pipes Expired DE586143C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEV27801D DE586143C (en) 1932-02-14 1932-02-14 Process for coating pipes, in particular centrifugally cast pipes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEV27801D DE586143C (en) 1932-02-14 1932-02-14 Process for coating pipes, in particular centrifugally cast pipes

Publications (1)

Publication Number Publication Date
DE586143C true DE586143C (en) 1933-10-18

Family

ID=7583676

Family Applications (1)

Application Number Title Priority Date Filing Date
DEV27801D Expired DE586143C (en) 1932-02-14 1932-02-14 Process for coating pipes, in particular centrifugally cast pipes

Country Status (1)

Country Link
DE (1) DE586143C (en)

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