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NL1042571B1 - Tailorable part of a manhole or an inspection shaft and method for tailoring a manhole or an inspection shaft - Google Patents

Tailorable part of a manhole or an inspection shaft and method for tailoring a manhole or an inspection shaft Download PDF

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Publication number
NL1042571B1
NL1042571B1 NL1042571A NL1042571A NL1042571B1 NL 1042571 B1 NL1042571 B1 NL 1042571B1 NL 1042571 A NL1042571 A NL 1042571A NL 1042571 A NL1042571 A NL 1042571A NL 1042571 B1 NL1042571 B1 NL 1042571B1
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NL
Netherlands
Prior art keywords
transition
manhole
customizable
axial direction
inspection shaft
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Application number
NL1042571A
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Dutch (nl)
Inventor
Tigcheler Miron
Original Assignee
Wavin Bv
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Publication date
Application filed by Wavin Bv filed Critical Wavin Bv
Priority to NL1042571A priority Critical patent/NL1042571B1/en
Priority to EP18199066.4A priority patent/EP3467207A1/en
Application granted granted Critical
Publication of NL1042571B1 publication Critical patent/NL1042571B1/en

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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/02—Manhole shafts or other inspection chambers; Snow-filling openings; accessories
    • E03F5/024—Manhole shafts or other inspection chambers; Snow-filling openings; accessories made of plastic material

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Health & Medical Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)

Abstract

Tailorablepartof a manholeor an inspectionshafthaving a cylindrical wall part with an axial direction and a first diametrical dimension, the tailorable part having a transitionary wall part that narrows from the first diametrical dimension, the transitionary wall part has at its outer circumference at least one structure configured for providing stability toa saw when a part of the transitionary part is sawn off in a direction transverse to the axial direction, so as to allow for tailoring the tailorable part for connection toa lower part of a manhole or inspection shaft that has a cylindrical wall part with a second diametrical dimension which is smaller than the first diametrical dimension.

Description

Tailorable part of a manhole or an inspection shaft and method for tailoring a manhole or an inspection shaft
The invention relates to a tailorable part of a manhole or an inspection shaft as well as to a method for tailoring a manhole or an inspection shaft.
Manholes or inspection shafts are placed in the ground as a point of access to an underground pipe system for, for instance, sewage and/or rain water management. In a lower part of the manhole or inspection shaft pipes are connected and open at their upper side so as to allow for access. The diametrical dimension of this lower part is to an extent determined by the diameter of the pipes and the number of pipes that are connected by that lower part of the manhole or inspection shaft. As explained below, the diametrical dimension of that lower part may also be determined by the size of the feet and shoes of a typical workman in an area where the manhole or inspection shaft is placed in the ground.
An upper part of the manhole or inspection shaft is determined by the typical size of a workman that, needs to enter the manhole or inspections shaft for .inspecting and/or maintaining, such as cleaning, the accessible part of the pipe system. In that situation, the workman will stand with his feet on the lower part whilst his upper body will extend through the upper part of the manhole or inspection, shaft. Thus, the lower part needs to provide enough space for at least having the feet of the man being supported, preferably without being trapped in the pipe system. The upper part of the manhole or inspection shaft has dimensions which allow at least for an upper body part of a workman to be present in that upper part in such a way that the workman can still manipulate tools and/or inspection instruments. Typically, the lower part has a diametrical dimension of approx. 60 cm. The upper part, typically, has a diametrical dimension of about 80 cm. These dimensions, however, may vary from place t.o place, country to country, and with dimensions of the entire pipe system. DE 202012101644 U1 and DE 202012101645 U1 each disclose a shaft system having an upper part and a lower part of different diametrical dimensions.
Manholes and inspection shafts are nowadays often produced from plastic. By means of some kind of moulding process the manhole or inspection shaft is formed. Having moulds for each and every different combination of diametrical dimensions of the upper and lower part of a manhole and/or inspection shaft is expensive, requires a large number of moulds, and leads to a number of replacements of moulds during the production process, which is cumbersome and costly.
It is an object of the present disclosure to allow for producing a manhole or inspection shaft that is more costefficient and requires fewer moulds.
Summary of the present disclosure
Provided is a. tailorable part of a manhole or an inspection shaft having a cylindrical wall part with an axial direction and a first diametrical dimension. The tailorable part has a transitionary wall part that narrows from the first diametrical dimension. The transitionary wall part has at its outer circumference at least one structure configured for providing stability to a saw when a part of the transitionary is sawn off in a direction transverse to the axial direction. This allows for tailoring the tailorable part for connection to a lower part of a manhole or inspection shaft that has a cylindrical wall part with a second diametrical dimension 'which is smaller than the first diametrical dimension,
The disclosure further provides a tailorable part of a manhole or an inspection part having a cylindrical wall part in an axial direction and a. first diametrical dimension. The tailorable part has a transitionary wall part that widens from the first diametrical dimension. The transitionary wall part has at its outer circumference at least one structure configured for providing stability to a saw and a part of the transitionary part is sawn off in a direction transverse to the axial direction. This allows for tailoring the tailorable part for connection to an upper part of a manhole or inspection shaft that has a cylindrical wall part with a second diametrical dimension which is larger than the first diametrical dimension.
Consequently, and advantageously, it is possible to have a transitionary wall part and a cylindrical 'wall part connected thereto such that the transitionary wall part can be combined with virtually any other diametrical dimension of another cylindrical wall part. As such it is possible to have a cylindrical wall part, with a diametrical dimension that is very often used connected to a transitionary wa.ll part which can conveniently be cut so as to allow for connecting up with a part of a manhole or inspection shaft having a second diametrical dimension. This possibility reduces the number of moulds needed whilst still providing the possibility to produce a manhole or an inspection shaft having at least one of the cylindrical wall parts in a size that may not be so frequently used. Furthermore, depending on the exact diameter that is formed at the end of the transitionary part after sawing off a part, it is possible that different connections may be formed, different in the sense of for instance the number of welds inside and outside for establishing the connection, between a transitionary part and an upper or lower part of the manhole or inspection shaft.
This will also become further clear from reading the more detailed description, with reference to the attached drawing.
According to another aspect of the present disclosure, a method is provided for tailoring a manhole or an inspection shaft. The method comprises providing a tailorable part of a manhole or an inspection shaft having a cylindrical wall part with an axial direction and a first diametrical dimension, wherein the tailorable part has a transitionary wall part that narrows from the first diametrical dimension and wherein the transitionary wall part has at its outer circumference at least one structure configured for providing stability to a saw when a part of the transitionary part is sawn oft in a direction transverse to the axial direction. Alternatively, the method comprises providing a tailorable part of a manhole or an inspection shaft having a cylindrical wall part with an axial direction and a first diametrical dimension, wherein the tailorable wall part has a transitionary wall part that widens from the first diametrical dimension, and wherein the transitionary wall part has at its outer circumference at least one structure configured for providing stability to a saw when a part of the transitionary part is sawn off in a direction transverse to the axial direction.
The method further comprises sawing off a part of the transitionary part in a direction transverse to the axial direction using a structure for providing stability to a saw.
The method further comprises welding the sawn off transitionary part to a lower part of a manhole or inspection shaft that has a cylindrical wall part with a second diametrical dimension which is smaller than the first diametrical dimension, or to an upper part of a manhole or inspection shaft that has a cylindrical wall part with a second diametrical dimension which is larger than the first diametrical dimension. The method thus, conveniently and advantageously, provides for an easy and direct way of tailoring a manhole or inspection shaft, having optimal flexibility in terms of tailoring whilst, still having the possibility to end up with a high quality manhole or inspection shaft of which the diametrical dimensions, the overall height and the strength can easily and flexibly be controlled.
Further examples and advantages of the present disclosure will be explained whilst referring to the attached drawing:
Fig. 1 shows in perspective a first example of a tailorable part according to the present, disclosure,
Fig. 2 shows a side view of the part sown in Fig. 1;
Fig. 3 shows a cross-sectional view taken as shown in Fig. 2;
Fig. 4 shows a magnified part of a position shown by the box in Fig. 3;
Fig. 5 shows a part of a tailorable part as connected and a part of a method step according to the present disclosure;
Fig. 6 shows a part of a tailorable part as connected and a part of a method step according to the present disclosure;
Fig. 7 shows a part of a tailorable part as connected and a part of a method according to the present, disclosure;
Fig. 8 shows a part of a tailorable part as connected and a part of a method according to the present disclosure;
Fig. 9 shows a part of a tailorable part as connected and a part of a method according to the present disclosure;
Fig. 10 shows a part of a tailorable part as connected and a part of a method according to the present disclosure; and
Fig. 11 shows an example of a tai.lora.ble part and a lower part of a manhole or inspection shaft according to the present disclosure.
In the drawing, like features are referred to by like references .
An example of a tailorable part 1 of, or for, a manhole or an .inspection shaft is shown in Fig. 1 in a perspective view. The tailorable part 1 has a cylindrical wall part 2 with an axial direction and a first diametrical dimension which is in this example a diameter of the wall part 2. The tailorable part 1 also has a transitionary wall part 3 (better shown in Fig. 2) which narrows from the first diametrical dimension. In this example the transitionary wall part is cone-shaped. The transitionary wall part 3 has at its outer circumference at least one structure 6 configured for providing stability to a saw when a part of. the transitionary part 3 is sawn off in a direction transverse to the axial direction. As such, the tailorable wall part 3 is suitable for being tailored for connection to a lower part of a manhole or inspection shaft that has a cylindrical wall part 5 with a second diametrical dimension which is smaller than the first diametrical dimension. For visualizing the suitability, reference is made to Fig, 11.
It is possible that the transitionary wall part 3 has at its outer circumference multiple structures 6 which are each configured for providing stability to a saw when a part of the transitionary part is sawn off in a direction transverse to the axial direction. These structures 6 may in a circumferential direction be spatially separated from each other. In that case, each of these structures may serve as a structure for providing stability to a saw. However, each of these structures will, when used for sawing off a part of the transitionary part 3, lead to the same result. That is, when a cone-shaped transitionary part. is used, a further truncation of the cone will be the same, no matter which of the structures 6 spatially separated in the circumferential direction is used for providing the stability to the saw. It is possible to have a structure that extends in circumferential direction over a small part of the circumference, as the stability for a saw is only required in the beginning of the sawing. Once the sawing has advanced, the cut itself will provide stability to the saw and provides guidance as to the further direction of sawing. Alternatively, or additionally, the number of the structures 6 are in axial direction separated from, each other. For such tailorable parts, a number of possible truncations are envisageable, in that structures 6 are provided which would lead to mutually different end results. Accordingly, the flexibility of such tailorable parts is higher in that it can be combined with a larger number of different diameters of an upper or lower part of a manhole or inspection shaft.
Fig. 3 shows a cross section taken along the lines A-A shown in Fig. 2. In the lower LH side corner of Fig. 3 a box is put around the transitionary part 3. Fig. 4 shows magnified what is shown in the box in Fig. 3. The transitionary part 3 comprises an end 7 having the smallest diametrical dimension of the transitionary part 3. That end 7 has a surface extending in the direction transverse to the axial direction. The structure 6' configured for providing stability to a saw allows for producing a new end 7 having a surface extending in the direction, transverse to the axial direction. The new surface 7 has a width which is larger than the thickness of the transitionary wall part 3. This allows for much tolerance in the positioning of the connection against a surface of the lower cylindrical part.
The end 7 of the untailored tailorable wall part has a. width which is shorter than the thickness of the transitionary wall part, giving it some flexibility for "easing in" and more space for providing a weld. The transitionary wall part 3 allows for self-centering when being connected to the lower part of a manhole or inspection shaft.
Structure 6 which is configured fox' providing stability to a saw may comprise a surface 8 that extends in a direction transverse to the axial direction of the tailorable part. It is easily imaginable that a saw will be placed against surface 8 as a form of providing stability and/or guidance when the saw advances through the thickness of wall part 3 in a direction transverse to the axial, direction. Structure 6 may also comprise a surface 9 that extends in a direction that is inclined to or parallel to an axial direction of the tai.lora.ble part 3. The structure 6 may comprise a groove in the outer surface of the transitionary wall part 3. The structure 6 may comprise a ridge 10 at the inner surface of the transitionary wall part 3.
Fig. 5 shows an end of the tailorable part 3. The end comprises a narrowed end 1.3. On the outer side of the narrowed end a cavity 11 is provided to which an upwardly protruding part 12 is held for supporting the narrowed end 13 of the tailorable part 3. The upwardly protruding part 12 may be a part of a lower cylindrical part to which the tailorable part 3 is to be connected. The tailorable part 3 may be connected to the lower part 5 of a manhole or an inspection shaft. The connection may comprise at least one weld W. The weld may extend in a circumferential direction. However, it is also possible that a number of welds are spatially separated from each, other in circumferential direction. As shown in Fig. 5, the weld is in an external circumference of the manhole or inspection shaft.
Fig. 6 shows a tailorable part of which the transitionary part 3 has an end 13 that has been produced by sawing off in a direction transverse to the axial direction a part, of the transitionary part 3. The transitionary part 3 may be connected to a lower part 5 of a manhole or inspection shaft which has a cylindrical wall 1.4 with a. second diametrical dimension which is smaller than the first diametrical dimension of the cylindrical wall 2 of the upper part of the manhole or inspection shaft. The connection may be formed by a weld W.
Comparing figures 5-10, it is clear that many different possibilities for connecting the tailorable part 3 with a lower part 5 is possible, depending on an upper rim structure of the lower part. 5, the diameter of the lower part 5, and the desired strength of the connection. Where a reference W? is positioned in the figures a weld may be applied or not.
It should be borne in mind that also the lower part may be adjusted in height by sawing off a part. Equally, by sawing off a part it is possible to provide a rim structure suitable for connection with the end 13 of the tailorable part 3 in unaltered condition, or in a sawn-off condition. This is easily understood when considering Fig. 11. Cutting line A will result in an upstanding rim. Cutting line B2 will result in a rim having a flange. A method for tailoring a manhole or an inspection shaft comprises providing a tailorable part of a manhole or inspection shaft, such as for instance one of the tailorable parts discussed above. The method further comprises sawing off a part of that transitionary part in a direction transverse to the axial direction using the structure for providing stability to a saw. The method further comprises welding the sawn-off transitionary part to a lower part of a manhole or inspection shaft that has a cylindrical wall part.
It will be clear that instead of providing the tailorable wall part 3 so as to connect it with a lower part of a manhole or inspection shaft, it is also possible to have a tailorable part that widens from a first diametrical dimension. In that case the tailorable part 3 is suitable for connecting with an upper part (not shown) of a manhole or inspection shaft that has a second diametrical dimension which is larger than the first diametrical dimension.
Indeed, many variations are possible. Not necessarily is the transitionary part cone-shaped. It may also have an asymmetrical shape. The inspection shaft not necessarily is limited to a size so that it can be placed in the ground at a relatively short distance from the pavement, or road. The inspection shaft may equally be a very long shaft that goes several meters deep into the ground. When the height of the manhole or inspection shaft needs to be varied, this can also be done by adjusting a length of cylindrical paths of the manhole or inspection shaft. For this purpose, also such cylindrical parts may be provided with structures that, would provide stability for a saw when a part of that cylindrical part is sawn off in a direction transverse to the axial direction, so as to tailor that cylindrical, part in height for connection to a tailorable part. Such structures provided on outer surface of the cylindrical part, may equally in circumferential direction be spatially separated from each other. Alternatively, or additionally, these structures may equally in axial direction be spatially separated from each other.
As long as a part widens or narrows in its diametrical dimension, that part can be considered a transitionary part. Such a transitionary is also a tailorable part. This equally applies when that part is already connected at both ends to a cylindrical part.
Many modifications are possible and understood to fall within the framework of the present disclosure, further defined by the appended claims.

Claims (31)

1 Op maat maakbaar deel van een mangat of een inspectieschacht hebbende een cylindrisch wanddeel met een axiale richting en eerste diametrale dimensie, het op maat maakbare deel hebbende een overgangswanddeel dat smaller wordt vanaf de eerste diametrale dimensie, het overgangswanddeel heeft bij de buitenomtrek ten minste één struktuur die geconfigureerd is voor het verschaffen van stabiliteit aan een zaag wanneer een deel van het overgangsdeel afgezaagd wordt in een richting dwars op de axiale richting, zo dat het op maat maken van het op maat maakbare deel mogelijk wordt voor verbinding met een lager deel van een mangat of inspectieschacht dat een cylinidrisch wanddeel heeft met een tweede diametrale dimensie welke kleiner is dan de eerste diametrale dimensie.1 Customizable part of a manhole or an inspection shaft having a cylindrical wall part with an axial direction and first diametral dimension, the customizable part having a transition wall part that becomes narrower from the first diametral dimension, the transition wall part has at least one outer circumference structure configured to provide stability to a saw when a part of the transition part is sawn in a direction transverse to the axial direction, so that tailoring of the customizable part becomes possible for connection to a lower part of a manhole or inspection shaft that has a cylindrical wall part with a second diametrical dimension which is smaller than the first diametrical dimension. 2 Op maat maakbaar deel van een mangat of een inspectieschacht hebbende een cylindrisch wanddeel met een axiale richting en eerste diametrale dimensie, het op maat maakbare deel hebbende een overgangswanddeel dat wijder wordt vanaf de eerste diametrale dimensie, het overgangswanddeel heeft bij de buitenomtrek ten minste één struktuur die geconfigureerd is voor het verschaffen van stabiliteit aan een zaag wanneer een deel van het overgangsdeel afgezaagd wordt in een richting dwars op de axiale richting, zo dat het op maat maken van het op maat maakbare deel mogelijk wordt voor verbinding met een lager deel van een mangat of inspectieschacht dat een cylinidrisch wanddeel heeft met een tweede diametrale dimensie welke groter is dan de eerste diametrale dimensie.2 Customizable part of a manhole or an inspection shaft having a cylindrical wall part with an axial direction and first diametral dimension, the customizable part having a transition wall part that becomes wider from the first diametral dimension, the transition wall part has at least one outer circumference structure configured to provide stability to a saw when a part of the transition part is sawn in a direction transverse to the axial direction, so that tailoring of the customizable part becomes possible for connection to a lower part of a manhole or inspection shaft that has a cylindrical wall part with a second diametrical dimension that is larger than the first diametrical dimension. 3 Op maat maakbaar deel volgens conclusie 1 of 2, waarbij het overgangsdeel bij de buitenomtrek een veelvoud van strukturen heeft die geconfigureerd zijn voor het verschaffen van stabiliteit aan een zaag wanneer een deel van het overgangsdeel afgezaagd wordt in een richting dwars op de axiale richting.Customizable part according to claim 1 or 2, wherein the transition part at the outer circumference has a plurality of structures configured to provide stability to a saw when a part of the transition part is cut in a direction transverse to the axial direction. 4 Op maat maakbaar deel volgens conclusie 1, 2 of 3, waarbij de strukturen die geconfigureerd zijn voor het verschaffen van stabiliteit aan een zaag in omtreksrichting ruimtelijk van elkaar gescheiden zijn.Customizable part according to claim 1, 2 or 3, wherein the structures that are configured to provide stability to a saw in the circumferential direction are spatially separated from each other. 5 Op maat maakbaar deel volgens een van de conclusies 1-4, waarbij de strukturen die geconfigureerd zijn voor het verschaffen van stabiliteit aan een zaag in axiale richting ruimtelijk van elkaar gescheiden zijn.Customizable part according to any of claims 1-4, wherein the structures configured to provide stability to a saw are spatially separated from one another in the axial direction. 6 Op maat maakbaar deel volgens een van de voorgaande conclusies, waarbij het overgangsdeel een eind omvat dat de kleinste diametrale dimensie van het overgangsdeel heeft of de grootste diametrale dimensie van het overgangsdeel heeft.Customizable part according to any of the preceding claims, wherein the transition part comprises an end that has the smallest diametral dimension of the transition part or has the largest diametral dimension of the transition part. 7 Op maat maakbaar deel volgens een van de voorgaande conclusies, waarbij de strukturen die geconfigureerd zijn voor het verschaffen van stabiliteit aan een zaag het produceren toestaat van een nieuw eind hebbende een oppervlak dat zich in een richting dwars op de axiale richting uitstrekt.Customizable part according to any of the preceding claims, wherein the structures configured to provide stability to a saw allows the production of a new end having a surface extending in a direction transverse to the axial direction. 8 Op maat maakbaar deel volgens conclusie 7, waarbij het oppervlak een breedte heeft die groter is dan de dikte van het overgangsdeel.Customizable member according to claim 7, wherein the surface has a width that is greater than the thickness of the transition member. 9 Op maat maakbaar deel volgens conclusie 7, waarbij het oppervlak een breedte heeft die korter is dan de dikte van het overgangsdeel.Customizable member according to claim 7, wherein the surface has a width that is shorter than the thickness of the transition member. 10 Op maat maakbaar deel volgens een van de voorgaande conclusies, waarbij het overgangsdeel zelf-centrering toestaat wanneer het verbonden wordt aan het lagere deel of bovendeel van een mangat of inspectieschacht.Customizable part according to any of the preceding claims, wherein the transition part allows self-centering when it is connected to the lower part or upper part of a manhole or inspection shaft. 11 Op maat maakbaar deel volgens een van de voorgaande conclusies, waarbij het overgangsdeel een eind heeft dat geproduceerd is door het in een richting dwars op de axiale richting afzagen van een deel van het overgangsdeel, waarbij het overgebleven overgangsdeel verbonden is aan een lager deel of een bovendeel van een mangat of inspectieschacht dat een cylindrisch wanddeel heeft met een tweede diametrale dimensie die kleiner is dan, repectievelijk groter dan, de eerste diametrale dimensie.Customizable part according to any of the preceding claims, wherein the transition part has an end produced by sawing a part of the transition part in a direction transverse to the axial direction, the remaining transition part being connected to a lower part or an upper part of a manhole or inspection shaft having a cylindrical wall part with a second diametrical dimension that is smaller than, respectively, larger than, the first diametrical dimension. 12 Op maat maakbaar deel volgens conclusie 11, waarbij het op maat maakbare deel verbonden is aan het lagere deel of aan het bovendeel van een mangat of inspectieschacht, een waarbij de verbinding ten minste één las omvat die zich elk in een omtreksrichting uitstrekken.The customizable part of claim 11, wherein the customizable part is connected to the lower part or to the upper part of a manhole or inspection shaft, one wherein the connection comprises at least one weld, each extending in a circumferential direction. 13 Op maat maakbaar deel volgens conclusie 12, waarbij ten minste een van de lassen bij een externe omtrek van het mangat of inspectieschacht is, en/of waarbij ten minste een van de lassen bij een interne omtrek van het mangat of inspectieschacht is.Customizable part according to claim 12, wherein at least one of the welds is at an external perimeter of the manhole or inspection shaft, and / or wherein at least one of the welds is at an internal perimeter of the manhole or inspection shaft. 14 Op maat maakbaar deel volgens een van de voorgaande conclusies, waarbij de strukturen die geconfigureerd zijn voor het verschaffen van stabiliteit aan een zaag een oppervlak omvatten dat zich in een richting dwars op de axiale richting van het overgangsdeel uitstrekt.Customizable part according to any of the preceding claims, wherein the structures configured to provide stability to a saw comprise a surface that extends in a direction transverse to the axial direction of the transition part. 15 Op maat maakbaar deel volgens een van de voorgaande conclusies, waarbij de strukturen die geconfigureerd zijn voor het verschaffen van stabiliteit aan een zaag een oppervlak omvatten dat zich uitstrekt in een richting die neigt naar of parallel is aan een axiale richting van het op maat maakbare deel.Customizable part according to any of the preceding claims, wherein the structures configured to provide stability to a saw comprise a surface extending in a direction that is inclined or parallel to an axial direction of the customizable part. 16 Op maat maakbaar deel volgens een van de voorgaande conclusies, waarbij de strukturen een groef omvatten in een buitenoppervlak van het overgangsdeel.Customizable part according to any of the preceding claims, wherein the structures comprise a groove in an outer surface of the transition part. 17 Op maat maakbaar deel volgens een van de voorgaande conclusies, waarbij de strukturen een rand omvat in het binnen oppervlak van het overgangsdeel.Customizable part according to any of the preceding claims, wherein the structures comprise an edge in the inner surface of the transition part. 18 Werkwijze voor het op maat maken van een mangat of een inspectieschacht hebbende: • een cylindrische wanddeel met een axiale richting en een eerste diametrale dimensie, waarbij het op maat maakbare deel een overgangswanddeel heeft dat smaller wordt vanaf de eerste diametrale dimensie, waarbij het overgangswanddeel aan de buitenomtrek ten minste één struktuur heeft die geconfigureerd is voor het verschaffen van stabiliteit aan een zaag wanneer een deel van het overgangsdeel afgezaagd wordt in een richting dwars op de axiale richting; of • een cylindrische wanddeel met een axiale richting en een eerste diametrale dimensie, waarbij het op maat maakbare deel een overgangswanddeel heeft dat wijder wordt vanaf de eerste diametrale dimensie, waarbij het overgangswanddeel aan de buitenomtrek ten minste één struktuur heeft die geconfigureerd is voor het verschaffen van stabiliteit aan een zaag wanneer een deel van het overgangsdeel afgezaagd wordt in een richting dwars op de axiale richting; waarbij de werkwijze verder omvat: • het afzagen van een deel van het overgangsdeel in een richting dwars op de axiale richting gebruikmakende van de struktuur voor het verschaffen van stabiliteit aan een zaag, en • het lassen van het afgezaagde overgangsdeel aan een lager deel van een mangat of inspectieschacht hebbende een cylindrische wanddeel met een tweede diametrale dimensie die kleiner is dan de eerste diametrale dimensie of een bovendeel van een mangat of inspectieschacht hebbende een cylindrische wanddeel met een tweede diametrale dimensie die groter is dan de eerste diametrale dimensie.Method for tailoring a manhole or having an inspection shaft: • a cylindrical wall part with an axial direction and a first diametral dimension, wherein the tailor-made part has a transition wall part that becomes narrower from the first diametral dimension, the transition wall part has at least one structure on the outer periphery configured to provide stability to a saw when a portion of the transition member is sawn in a direction transverse to the axial direction; or • a cylindrical wall part with an axial direction and a first diametrical dimension, wherein the customizable part has a transition wall part that becomes wider from the first diametrical dimension, wherein the transition wall part has at least one structure on the outer circumference that is configured to provide of stability to a saw when a part of the transition part is cut in a direction transverse to the axial direction; wherein the method further comprises: sawing a portion of the transition member in a direction transverse to the axial direction using the structure to provide stability to a saw, and welding the sawn transition member to a lower portion of a manhole or inspection shaft having a cylindrical wall part with a second diametrical dimension that is smaller than the first diametral dimension or an upper part of a manhole or inspection shaft having a cylindrical wall part with a second diametrical dimension that is larger than the first diametrical dimension. 19 Op maat maakbaar deel van een mangat of inspectieschacht volgens conclusie 18, waarbij het overgangsdeel bij de buitenomtrek daarvan een veelvoud van strukturen heeft die zijn geconfigureerd voor het stabiliseren van een zaag wanneer een deel van het overgangsdeel afgezaagd wordt in een richting dwars op de axiale richting.Tailor-made part of a manhole or inspection shaft according to claim 18, wherein the transition part at its outer circumference has a plurality of structures configured to stabilize a saw when a part of the transition part is cut in a direction transverse to the axial direction. 20 Werkwijze volgens conclusie 18 of 19, waarbij de strukturen geconfigureerd zijn voor het verschaffen van stabiliteit aan een zaag in omtreksrichting ruimtelijk van elkaar gescheiden zijn.Method according to claim 18 or 19, wherein the structures are configured to provide stability to a saw in the circumferential direction and are spatially separated from each other. 21 Werkwijze volgens een van de conclusie 18,19 of 20, waarbij de strukturen geconfigureerd zijn voor het verschaffen van stabiliteit aan een zaag in een axiale richting ruimtelijk van elkaar gescheiden zijn.A method according to any of claims 18, 19 or 20, wherein the structures are configured to provide stability to a saw in an axial direction spatially separated from each other. 22 Werkwijze volgens een van de conclusie 18-21, waarbij het overgangsdeel een eind omvat dat de kleinste diametrale dimensie van het overgangsdeel heeft of de grootste diametrale dimensie van het overgangsdeel heeft.A method according to any of claims 18-21, wherein the transition member comprises an end that has the smallest diametral dimension of the transition member or has the largest diametral dimension of the transition member. 23 Werkwijze volgens een van de voorgaande conclusies 18-22, waarbij de struktuur geconfigureerd is voor het verschaffen van stabiliteit aan een zaag het produceren toestaat van een nieuw eind hebbende een oppervlak dat zich in een richting dwars op de axiale richting uitstrekt.A method according to any of the preceding claims 18-22, wherein the structure is configured to provide stability to a saw allowing the production of a new end having a surface extending in a direction transverse to the axial direction. 24 Werkwijze volgens conclusie 23, waarbij het oppervlak een breedte heeft die groter is dan de dikte van het overgangsdeel.The method of claim 23, wherein the surface has a width that is greater than the thickness of the transition member. 25 Werkwijze volgens conclusie 23, waarbij het oppervlak een breedte heeft die korter is dan de dikte van het overgangsdeel.Method according to claim 23, wherein the surface has a width that is shorter than the thickness of the transition part. 26 Werkwijze volgens conclusies 18-25, waarbij het overgangsdeel zelf-centrering toestaat wanneer het verbonden wordt aan het lagere deel of bovendeel van een mangat of inspectieschacht.The method of claims 18-25, wherein the transition member allows for self-centering when it is connected to the lower portion or upper portion of a manhole or inspection shaft. 27 Werkwijze volgens een van de conclusies 18-26, waarbij het lassen omvat het lassen aan een buitenomtrek van een mangat of inspectieschacht.A method according to any of claims 18-26, wherein the welding comprises welding on an outer circumference of a manhole or inspection shaft. 28 Werkwijze volgens een van de voorgaande conclusies 18-27, waarbij de strukturen die geconfigureerd zijn voor het verschaffen van stabiliteit aan een zaag een oppervlak omvatten dat zich in een richting dwars op de axiale richting van het overgangsdeel uitstrekt.A method according to any of the preceding claims 18-27, wherein the structures configured to provide stability to a saw comprise a surface extending in a direction transverse to the axial direction of the transition member. 29 Werkwijze volgens een van de voorgaande conclusies 18-28, waarbij de strukturen die geconfigureerd zijn voor het verschaffen van stabiliteit aan een zaag een oppervlak omvatten dat zich uitstrekt in een richting die neigt naar of parallel is aan een axiale richting van het op maat maakbare deel.A method according to any one of the preceding claims 18-28, wherein the structures configured to provide stability to a saw comprise a surface extending in a direction that tends or is parallel to an axial direction of the customizable part. 30 Werkwijze volgens een van de voorgaande conclusies 18-29, waarbij de strukturen een groef omvatten in een buitenoppervlak van het overgangsdeel.Method according to any of the preceding claims 18-29, wherein the structures comprise a groove in an outer surface of the transition part. 31 Werkwijze volgens een van de voorgaande conclusies 18-30, waarbij de strukturen een rand omvat in het binnenoppervlak van het overgangsdeel.Method according to one of the preceding claims 18-30, wherein the structures comprise an edge in the inner surface of the transition part.
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3104303A1 (en) * 1981-02-07 1982-08-19 Buderus Ag, 6330 Wetzlar Cleaning branch piece which can be closed off and is intended for drainage lines
DE10024222A1 (en) * 1999-05-31 2001-01-18 Guggemos Horst Connection sleeve, especially for ground slab, sewer manhole or shaft gutter; has two pipe parts of different diameters with intermediate pipe and compensation part to form smooth transition
FR2824572A1 (en) * 2001-05-11 2002-11-15 Anisa Manhole for sewage pipe systems, is formed by rotation molding with joints shaped to give different mounting zones for fitting to at least one nominal interior diameter of the pipe fitting
DE202012101644U1 (en) * 2012-05-04 2013-08-07 Rehau Ag + Co Manhole base

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3104303A1 (en) * 1981-02-07 1982-08-19 Buderus Ag, 6330 Wetzlar Cleaning branch piece which can be closed off and is intended for drainage lines
DE10024222A1 (en) * 1999-05-31 2001-01-18 Guggemos Horst Connection sleeve, especially for ground slab, sewer manhole or shaft gutter; has two pipe parts of different diameters with intermediate pipe and compensation part to form smooth transition
FR2824572A1 (en) * 2001-05-11 2002-11-15 Anisa Manhole for sewage pipe systems, is formed by rotation molding with joints shaped to give different mounting zones for fitting to at least one nominal interior diameter of the pipe fitting
DE202012101644U1 (en) * 2012-05-04 2013-08-07 Rehau Ag + Co Manhole base

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