Claims
- 1. A screening device comprising:a screening element having a screening surface and formed substantially as a cylinder having a cylindrical axis, said screening element being so configured as to be removable as a unit; a reinforcing element supporting the screening element; a plurality of spacer element formed along an outside surface of the screening element providing a radial clearance between the screening element and the reinforcing element; a clamping connection including a conical seating surface formed by the spacer elements and the reinforcing element having a matching conical seating surface for non-positively and releaseably securing the screening element to the reinforcing element through frictional engagement with the spacer elements; at least one terminal element disposed on at least one end face of the screening element, and said at least one terminal element disposed on the reinforcing element so as to be accessible from both end faces of the screening element, before the screening element with the spacer elements is placed on the reinforcing element; and the at least one terminal element is formed by an annular end ring releasably connected to an upper end face of the reinforcing element by means of a screw connection.
- 2. A screening device comprising:a screening element having a screening surface and formed substantially as a cylinder having a cylindrical axis, said screening element being so configured as to be removable as a unit; a reinforcing element supporting the screening element; a plurality of spacer element providing a radial clearance between the screening element and the reinforcing element; a clamping connection including at least one clamping element for forming the clamping connection is moveable radially towards the reinforcing element, the at least one clamping element non-positively and releaseably securing the screening element to the reinforcing element through frictional engagement; wherein the at least one clamping element is formed as a T-shaped rail having a transverse side which rests on the screening surface of the screening element and extends at an angle relative to the cylindrical axis of the screening element.
- 3. The screening device of claim 2, and further comprising a terminal element, disposed at least at one end face of the screening element and connected to the reinforcing element, for positioning the screening element in axial direction.
- 4. The screening device according to claim 2, wherein the terminal element is releaseably connected to the reinforcing element.
- 5. The screening device of claim 4, wherein the releaseable connection is implemented as a pin connection.
- 6. The screening device of claim 4, wherein the releaseable connection is implemented as a screw connection.
- 7. The screening device of claim 2, wherein the at least one clamping element is moveable in a radical direction by at least one tensioning element selected from the group consisting of screw, rivet and bolt.
- 8. The screening device of claim 7, wherein the at least one tensioning element is secureable to the reinforcing element after implementation of the clamping connection.
- 9. The screening device of claim 8, wherein the at least one tensioning element penetrates the reinforcing element in a radial direction.
- 10. The screening device of claim 2, wherein the at least one T-shaped clamping element is formed in two parts.
- 11. The screening device of claim 10, wherein the two parts of the at least one T-shaped clamping element includes a transverse side portion bearing upon the screening surface and a longitude side portion that extends through the spacer elements.
- 12. The screening device according to claim 2, wherein the screening element is formed from a material selected from the group consisting of slotted screen mat, portions of a slotted screen mat, screen plate, and portions of a screen plate.
- 13. The screening device of claim 2, wherein the screening element has helical screening slots disposed on the screening surface.
- 14. The screening device of claim 2, wherein the reinforcing element is formed as a reinforcing jacket having through-openings.
- 15. The screening device of claim 2, and further comprising a pin connection that transmits shear forces for preventing a relative displacement between the screening element and the spacer elements relative to the reinforcing element in a circumferential direction.
- 16. A screening device comprising:a screening element having a screening surface and formed substantially as a cylinder having a cylindrical axis, said screening element being so configured as to be removable as a unit; a reinforcing element supporting the screening element; a plurality of spacer element providing a radial clearance between the screening element and the reinforcing element; a clamping connection including at least one clamping element for forming the clamping connection which is moveable radially towards the reinforcing element, the at least one clamping element non-positively and releaseably securing the screening element to the reinforcing element through frictional engagement; wherein the at least one clamping element is formed as a T-shaped rail having a transverse side which rests on the screening surface of the screening element and extends in a helical shape.
- 17. The screening device of claim 5, and further comprising a terminal element, disposed at least at one end face of the screening element and connected to the reinforcing element, for positioning the screening element in axial direction.
- 18. The screening device according to claim 17, wherein the terminal element is releaseably connected to the reinforcing element.
- 19. The screening device of claim 18, wherein the releaseable connection is implemented as a pin connection.
- 20. The screening device of claim 18, wherein the releaseable connection is implemented as a screw connection.
- 21. The screening device of claim 16, wherein the at least one clamping element is moveable in a radial direction by at least one tensioning element selected from the group consisting of screw, rivet and bolt.
- 22. The screening device of claim 21, wherein the at least one tensioning element is securable to the reinforcing element after implementation of the clamping connection.
- 23. The screening device of claim 22, wherein the at least one tensioning element penetrates the reinforcing element in a radial direction.
- 24. The screening device of claim 16, wherein the at least one T-shaped clamping element is formed in two parts.
- 25. The screening device of claim 24, herein the at least one T-shaped clamping element includes a transverse side portion bearing upon the screening surface and a longitudinal side portion that extends through the spacer elements.
- 26. The screening device of claim 16, wherein the at least one clamping element extends through the screening element and is securable to the reinforcing element.
- 27. The screening device according to claim 16, wherein the screening element is formed from a material selected from the group consisting of slotted screen mat, portions of a slotted screen mat, screen plate, and portions of a screen plate.
- 28. The screening device of claim 16, wherein the screening element has helical screening slots disposed on the screening surface.
- 29. The screening device of claim 16, wherein the reinforcing element is formed as a reinforcing jacket having through-openings.
- 30. The screening device of claim 16, and further comprising a pin connection that transmits shear forces for preventing a relative displacement between the screening element and the spacer elements relative to the reinforcing element in a circumferential direction.
- 31. A screening device comprising:a screening element having a screening surface and formed substantially as a cylinder having a cylindrical axis, said screening element being so configured as to be removable as a unit; a reinforcing element supporting the screening element and having a conical seating surface; a plurality of spacer elements providing a radical clearance between the screening element and the reinforcing element, said spacer elements forming a conical seat seating surface extending substantially in the direction of the cylindrical axis and the conical seating surface of the spacer elements and the reinforcing element forming a frictionally engaging clamping connection which prevents rotation of the reinforcing element relative to the screening element, and further comprising a terminal element disposed on at lease one end face of the screening element and releasably connected to the reinforcing element for positioning the screening element in an axial direction, wherein the terminal element is formed by an annular end ring element releasably connected to an upper end face of the reinforcing element by means of a screw connection.
- 32. The screening device according to claim 31, wherein the screening element is formed from a material selected from the group consisting of slotted screen mat, portions of a slotted screen mat, screen plate, and portions of a screen plate.
- 33. The screening device of claim 31, wherein the screening element has helical screening slots disposed on the screening surface.
- 34. The screening device of claim 31, herein the reinforcing element is formed as a reinforcing jacket having through-openings.
Priority Claims (1)
Number |
Date |
Country |
Kind |
198 42 042 |
Sep 1998 |
DE |
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CROSS-REFERENCES TO RELATED APPLICATIONS
This application is a continuation of prior filed copending PCT International application no. PCT/EP99/06801, filed Sep. 14, 1999.
US Referenced Citations (19)
Foreign Referenced Citations (6)
Number |
Date |
Country |
39 42 484 |
Jun 1991 |
DE |
3942484 |
Jun 1991 |
DE |
196 51 643 |
Jun 1998 |
DE |
0 471 195 |
Feb 1992 |
EP |
0 724 037 |
Jul 1996 |
EP |
0 738 531 |
Oct 1996 |
EP |
Non-Patent Literature Citations (2)
Entry |
J & L Fiber Services BelWave Screen Cylinder, Waukesna, USA, 1981. |
J & L Fiber Services, RSC Screen Cylinder, Waukesna, USA, 1981. |
Continuations (1)
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Number |
Date |
Country |
Parent |
PCT/EP99/06801 |
Sep 1999 |
US |
Child |
09/808400 |
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US |