DE1090906B - Arrangement to facilitate the laying of socket pipes - Google Patents

Description

GERMAN

The invention relates to socket pipelines, in particular those which, like sewerage and Drainage pipes are intended for the conveyance of liquids containing suspended matter, the Pipes are each filled only to a part of their cross-section by the liquid conveyed therein.

While the laying of such pipelines was so far simply done so that the insertion end of the a pipe is inserted into the socket end of the following pipe with the interposition of sealing material has recently been moved to a more precise relocation possible Design the male pipe end and the socket with precisely fitting annular bodies to surround a sealing material having a certain elasticity. This increases the tightness the connection even in the case of pivoting of the tubes to each other, z. B. as a result of movements of the ground in which the line is laid.

The application of these ring bodies - preferably of a conical profile - takes place by casting the hardening mass that forms them in the molten state in annular spaces on one side through one between the inner wall of the sleeve and a core body inserted into it, on the the other side are formed by an annular shape surrounding the outer wall of the plug-in tube end.

If such pipelines are laid horizontally or essentially horizontally, it is necessary to that paragraphs in the area of the junction of the two pipe sections, especially in the lower Area of the flow cross-section through which the suspended matter are conveyed are avoided because otherwise the sediment will settle on such heels would take place if the lines are not laid with a gradient that is actually superfluous. This makes the workers who carry out the laying of such lines extremely careful required, whereby it is practically impossible to check that the laying has actually taken place properly is. The usual centering devices for core supports are in the rough operation one Construction site cannot be used without the risk of damage, and their handling is extraordinary cumbersome and requires the use of specialist workers.

With the aim of avoiding these difficulties and the disadvantages arising therefrom, it has already been proposed, in the production of the sealing body surrounding the socket interior and the pipe tip, at a point on the circumference that corresponds to the lower apex line of the installed pipeline, an exactly identical radial Distance from arrangement for relief
the laying of socket pipes

Applicant:

Paul Schneider,

Cologne-Braunsfeld, Wiethasestr. 58

Paul Schneider, Cologne-Braunsfeld,
has been named as the inventor

the inner wall of the pipe to the beginning of the sealing body in the socket on the one hand and the inner wall of the pipe tip and the outer circumference of the on the other hand, to secure the sealing body surrounding the plug-in pipe end in this area by that during the casting process on the one hand on the sleeve core, on the other hand on the one surrounding the plug-in pipe end Shape a strip-like spacer extending into the inside of the pipe is attached, which lies against the inner wall of the tube and thus the core or the shape in the appropriate Location secures. This results in this circumferential area, which in the known arrangement by a outer identification mark is marked on the tube, both with completely round as well as by the mathematically round shape as a result of their production method deviating pipes, such as. B. off Stoneware, concrete or porcelain, d. H. made of material with relatively large manufacturing tolerances with regard to the diameter and roundness in the installed pipeline, if the pipes are in the marking corresponding position to each other are connected to each other, a completely stepless passage at this point. However, it is not excluded that the central axes are consecutive Pipes are offset from one another as a whole as a result of relatively lateral rotation of the same, with the The result is that a paragraph is created in the entire remaining circumferential area of the junction.

This disadvantage, despite the precautions described, still requires great care forcing during the assembly of the pipeline is, according to the invention, in a very simple way avoided that each other adjacent to the pipe circumference fixing strip in the same way on the Core or the form ring at a point opposite to the point where the first fixing strip rests, in order to

009 627/230

starting point preferably offset by 90 ° is attached and a mark on the middle area of the wall between the two Fixing strips opposite point of the outer circumference of the pipe is attached, which is at 5 Laying the middle area of the wall between the two fixing strips in the lower one The apex line of the pipe string on the top of the pipe string is a check for correct laying allowed.

The two fixed points obtained in this way make every possibility when laying completely round pipes an axial eccentricity of two successive pipe sections, d. H. every possibility of education of a paragraph on the entire circumference of the joint. In the case of out-of-round pipes on the part of the circumference between the two fixed points on which the liquid flows or the danger a settling of suspended matter consists in creating the discontinuous area while the non-congruence the inner circumference of the two tubes is on the harmless upper area of the tube circumference by forming a paragraph there.

To ensure that, as is most advantageous, the area of the pipe circumference that is in the Is located in the middle between the two fixed points, forms the lower apex of the laid pipe string, is at the diametrically opposite this central point of the outer circumference of the pipe an externally recognizable marking is attached, which is clearly visible at the top of the installed pipeline lies.

The workers involved in laying such a pipeline can now take a considerable amount of time Saving time and thus working with significantly greater security with regard to perfect assembly. In particular, because of the elimination of the with the formation of the spacing between the pipe sections associated risk of clogging, the line can also be laid with a smaller gradient if desired will. The person in charge of the control of the work can see at a glance that all pipes are properly laid.

In the figures, the invention is illustrated by way of example, namely shows

Fig. 1 is a longitudinal section through a socket pipe according to the invention at the time of manufacture the sealing body on the socket and tip with the new fixing device;

Fig. 2 is a top plan view of Fig. 1 looking in the direction of the arrow.

In the figures, 1 denotes the pipe, 2 denotes the socket and 3 denotes the plug-in pipe end. in the The case of the embodiment, which relates to a stoneware pipe, can, as shown, the sleeve be grooved on the inside and the plug-in pipe end on the outside in a known manner.

For the purpose of pouring with the conical sealing bodies according to the embodiment, in the sleeve with 4 ', at the plug-in pipe end with 4 ", is in a known manner in the sleeve interior the core body 5 is inserted and the molded ring 6 surrounding it at the end of the insertion tube, from a holder 9 worn, arranged.

With T ', 7 " are known per se, on the form ring 6 and on the core body 5 one-piece fixation body, of which one with its extending in the longitudinal direction of the pipe, strip-like part on the inner wall in the socket and According to the invention, the further fixing strips 8 ′, 8 ″ are additionally fastened in the same way to the molded ring 6 or the core body 5. According to the exemplary embodiment, these are arranged at a circumferential distance of 90 ° from the strips 7 ', 7 ", but this can also be selected differently. The strip assigned to the plug-in pipe end is also carried by the holder 9.

It is obvious that according to the arrangement according to the invention both in the sleeve as in the Pointed in two places and thus practically all over the arch with the arrow in Fig. 2 The circumferential area of the assembled pipe string at the joint of the pipe is optimal Correspondence between the inner surfaces at the inner end of the socket and at the inner end of the plug-in pipe end is achieved will.

Of course, the invention is not limited to that described in detail above and in the figures shown embodiment is limited, but it can be modified in many ways, without deviating from their basic idea.

Claims (1)

Claim: Arrangement to facilitate the laying of socket pipelines from pipes, their socket and Plug-in pipe ends are provided with sealing bodies which fit into one another, which by potting a liquid hardening mass in annular spaces between on the one hand the inner wall of the socket and one inserted in this mold core and on the other hand between the plug-in tube end and one of this surrounding molded ring are produced, with an equal distance of the pipe inner wall at both ends from the boundaries of the sealing body at one point on the circumference by a attached to the core or the form ring, lying against the inner wall of the pipe Fixing bar is secured, each characterized by a further, in the same way on the The core or the form ring at a circumferential position opposite the point at which the first fixing strip rests Fixing strip attached to the pipe circumference, preferably at a 90 ° offset And one at the point of the outer circumference opposite the middle area of the wall between the two fixing strips marking applied to the pipe, which when laying the central area of the ■ "" between the two fixing strips in the ■ lower apex line of the pipe string on the The upper side of the pipe string allows a check of the correct laying " Considered publications:
German patent specification No. 234 382. 1 sheet of drawings © 009 627/230 10.