Lining device for lining a sewer branch pipe

1. A lining device for lining a sewer branch pipe, branching off from a main sewer, with a lining tube, the lining device comprising:

a holding chamber for holding the lining tube, wherein the holding chamber has a cylindrical geometry with an axis of rotation and a cylindrical holding-chamber outer circumferential surface, and the cylindrical holding-chamber outer circumferential surface has a straight holding-chamber bearing line which is parallel to the axis of rotation;

at least one first reduction piece which is attached to a first axial end side of the holding chamber and has a frustoconical geometry with a reduction-piece outer circumferential surface in the form of an oblique truncated cone, wherein a level line of the oblique truncated cone is located on the reduction-piece outer circumferential surface and forms a straight first reduction-piece bearing line which is aligned with the holding-chamber bearing line;

a deflection piece which is attached to an axial side, away from the holding chamber, of the first reduction piece and which is provided, at an end away from the first reduction piece, with a blow-out connection piece for fastening one end of the lining tube to, wherein the connection between the first reduction piece and the deflection piece is configured such that a position of the blow-out connection piece is settable and adaptable to the position of a junction of the sewer branch pipe leading into the main sewer; and

a pressure application means for applying a blow-out pressure to the device configured in a pressure-tight manner and formed by the holding chamber, the at least first reduction piece and the deflection piece, in order to blow a lining tube, present in the holding chamber and fastened to the blow-out connection piece, out of the blow-out connection piece, wherein a second reduction piece is provided, which is attached to a second axial end side, away from the first reduction piece, of the holding chamber and likewise has a frustoconical geometry with a reduction-piece outer circumferential surface in the form of an oblique truncated cone, wherein a level line of this oblique truncated cone is located on the reduction-piece outer circumferential surface and forms a straight second reduction-piece bearing line which is aligned with the holding-chamber bearing line, the second reduction piece being connected, on a side away from the holding chamber, to a stabilizing element which forms a continuation of the second reduction-piece bearing line, the stabilizing element being hollow, the stabilizing element holding at least a part of an elongate lighting element.

2. A lining device according to claim 1 , wherein the blow-out connection piece is located in any settable position within a fictitious cylindrical space which is formed by an imaginary axial extension of the cylindrical holding-chamber outer circumferential surface.

3. A lining device according to claim 1 , wherein at least one fastening means for fastening a pulling cable is provided.

4. A lining device according to claim 1 , wherein the stabilizing element is flexible.

5. A lining device according to claim 1 , wherein the lining tube is surrounded along its entire lining-tube length, in the state accommodated in the holding chamber, with an airtight release-film tube which is likewise fastened to the blow-out connection piece by way of its first tube end.

6. A lining device according to claim 5 , wherein the release-film tube is connected, at its second tube end away from the blow-out connection piece, to a sealing balloon that is able to be blown up.

7. A lining device according to claim 5 , wherein the release-film tube is closed at its second tube end away from the blow-out connection piece.

8. A lining device according to claim 1 , wherein the lining tube is connected at one tube end to the lighting element.

9. A lining device according to claim 8 , wherein the lighting element has an elongate carrier element to which a plurality of LEDs are attached.

10. A lining device according to claim 9 , wherein the LEDs are UV cold LEDs which bring about a maximum temperature of 50° C.

11. A lining device for lining a sewer branch pipe, branching off from a main sewer, with a lining tube, the lining device comprising:

a holding chamber for holding the lining tube, wherein the holding chamber has a cylindrical geometry with an axis of rotation and a cylindrical holding-chamber outer circumferential surface, and the cylindrical holding-chamber outer circumferential surface has a straight holding-chamber bearing line which is parallel to the axis of rotation;

at least one first reduction piece which is attached to a first axial end side of the holding chamber and has a frustoconical geometry with a reduction-piece outer circumferential surface in the form of an oblique truncated cone, wherein a level line of the oblique truncated cone is located on the reduction-piece outer circumferential surface and forms a straight first reduction-piece bearing line which is aligned with the holding-chamber bearing line;

a deflection piece which is attached to an axial side, away from the holding chamber, of the first reduction piece and which is provided, at an end away from the first reduction piece, with a blow-out connection piece for fastening one end of the lining tube to, wherein the connection between the first reduction piece and the deflection piece is configured such that a position of the blow-out connection piece is settable and adaptable to the position of a junction of the sewer branch pipe leading into the main sewer; and

a pressure application means for applying a blow-out pressure to the device configured in a pressure-tight manner and formed by the holding chamber, the at least first reduction piece and the deflection piece, in order to blow a lining tube, present in the holding chamber and fastened to the blow-out connection piece, out of the blow-out connection piece, wherein a second reduction piece is provided, which is attached to a second axial end side, away from the first reduction piece, of the holding chamber and likewise has a frustoconical geometry with a reduction-piece outer circumferential surface in the form of an oblique truncated cone, wherein a level line of this oblique truncated cone is located on the reduction-piece outer circumferential surface and forms a straight second reduction-piece bearing line which is aligned with the holding-chamber bearing line.

12. A lining device according to claim 11 , wherein the second reduction piece is connected, on a side away from the holding chamber, to a stabilizing element which forms a continuation of the second reduction-piece bearing line.

13. A lining device according to claim 12 , wherein the stabilizing element is hollow.

14. A lining device according to claim 12 , wherein the stabilizing element is flexible.

15. A lining device for lining a sewer branch pipe, branching off from a main sewer, with a lining tube, the lining device comprising:

a holding chamber for holding the lining tube, wherein the holding chamber has a cylindrical geometry with an axis of rotation and a cylindrical holding-chamber outer circumferential surface, and the cylindrical holding-chamber outer circumferential surface has a straight holding-chamber bearing line which is parallel to the axis of rotation;

at least one first reduction piece which is attached to a first axial end side of the holding chamber and has a frustoconical geometry with a reduction-piece outer circumferential surface in the form of an oblique truncated cone, wherein a level line of the oblique truncated cone is located on the reduction-piece outer circumferential surface and forms a straight first reduction-piece bearing line which is aligned with the holding-chamber bearing line;

a deflection piece which is attached to an axial side, away from the holding chamber, of the first reduction piece and which is provided, at an end away from the first reduction piece, with a blow-out connection piece for fastening one end of the lining tube to, wherein the connection between the first reduction piece and the deflection piece is configured such that a position of the blow-out connection piece is settable and adaptable to the position of a junction of the sewer branch pipe leading into the main sewer; and

a pressure application means for applying a blow-out pressure to the device configured in a pressure-tight manner and formed by the holding chamber, the at least first reduction piece and the deflection piece, in order to blow a lining tube, present in the holding chamber and fastened to the blow-out connection piece, out of the blow-out connection piece, wherein the lining tube is connected at one tube end to a lighting element.

16. A lining device according to claim 15 , wherein the lighting element has an elongate carrier element to which a plurality of LEDs are attached.

17. A lining device according to claim 16 , wherein the LEDs are UV cold LEDs which bring about a maximum temperature of 50° C.