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Apparatus and Method for Repairing the Junction of a Sewer Main and Lateral Pipe

2019
Online Patent
Zugriff:
View record in USPTO Patent Applications (Volltext)

The present invention is an improved method and assembly for repairing a pipe or the junction of two pipes, such as sewer pipes. The assembly includes a launcher device having a launcher device body, a launcher device opening disposed on the launcher device body, and a main bladder substantially surrounding the launcher device body. The main bladder includes an opening that substantially aligns with the launcher device opening. The assembly further includes an absorbent liner and a lateral bladder having a tubular lateral bladder body portion and a flange portion. The flange portion of the lateral bladder is attached to the exterior of the launcher device body. A method of using the assembly includes impregnating the liner with resinous material; inserting at least a portion of the liner into the lateral bladder; inflating the bladders; pressing the liner against the pipe; and allowing the resinous material to cure and harden.

Titel:
Apparatus and Method for Repairing the Junction of a Sewer Main and Lateral Pipe
Link:
Veröffentlichung: 2019
Medientyp: Patent
Sonstiges:
  • Nachgewiesen in: USPTO Patent Applications
  • Sprachen: English
  • Document Number: 20190277437
  • Publication Date: September 12, 2019
  • Appl. No: 16/420515
  • Application Filed: May 23, 2019
  • Assignees: LMK Technologies, LLC (Ottawa, IL, US)
  • Claim: 1. An assembly for repairing a pipe, comprising: a launcher device having a first launcher end, an opposite second launcher end, and a rigid launcher device body there between, the launcher device body having a launcher device opening; a main bladder substantially surrounding the launcher device body; the main bladder having a first main bladder end at the first launcher end, an opposite second main bladder end at the second launcher end, and a main bladder opening aligned with the launcher device opening; a lateral bladder attached to an exterior of the launcher device body and fluidly sealed to the launcher device; a first port in fluid communication with the main bladder for inflating the main bladder; a second port in fluid communication with the lateral bladder for inflating the lateral bladder independently of the main bladder; and a liner comprising an absorbent material.
  • Claim: 2. The assembly of claim 1, wherein the liner further comprises a main liner member connected to a lateral member; and wherein the lateral member is disposed within the lateral bladder.
  • Claim: 3. The assembly of claim 2, wherein the main liner member remains outside of the launcher device body while the lateral member is disposed within the lateral bladder.
  • Claim: 4. The assembly of claim 1, wherein the main bladder is unattached to the lateral bladder.
  • Claim: 5. The assembly of claim 1, wherein the main bladder is not attached to the launcher device body at or around the launcher device opening.
  • Claim: 6. The assembly of claim 1, further comprising a first fluid source connected to the main bladder and a second fluid source connected to the lateral bladder.
  • Claim: 7. The assembly of claim 1, wherein the lateral bladder is attached to the exterior of the launcher device body by a band, a clip, an adhesive, a screw, or a retaining ring.
  • Claim: 8. The assembly of claim 1, wherein the liner is a sheet.
  • Claim: 9. The assembly of claim 8, wherein the liner is formed into a tube.
  • Claim: 10. An assembly for repairing a pipe, comprising: a launcher device comprising a first launcher end, an opposite second launcher end, and a rigid launcher device body with a launcher device opening; a main bladder substantially surrounding the launcher device body; the main bladder having a first main bladder end, an opposite second main bladder end, and a main bladder opening there between; wherein the main bladder opening substantially aligns with the launcher device opening; a first opening in the launcher device in fluid communication with the main bladder for providing inflation of the main bladder; a lateral bladder attached to an exterior of the launcher device body and fluidly sealed to the launcher device separately from the main bladder; a second opening in the launcher device in fluid communication with the lateral bladder and for providing inflation of the lateral bladder independently from the main bladder; and a liner comprising an absorbent material.
  • Claim: 11. The assembly of claim 10, wherein the liner further comprises a main liner member connected to a lateral liner member; and wherein the lateral liner member is disposed within the lateral bladder.
  • Claim: 12. The assembly of claim 11, wherein the main liner member remains outside of the launcher device body while the lateral liner member is disposed within the lateral bladder.
  • Claim: 13. The assembly of claim 10, wherein the main bladder is unattached to the lateral bladder.
  • Claim: 14. The assembly of claim 10, wherein the main bladder is not attached to the launcher device body at or around the launcher device opening.
  • Claim: 15. The assembly of claim 10, further comprising a first fluid source connected to the main bladder and a second fluid source connected to the lateral bladder.
  • Claim: 16. The assembly of claim 10, wherein the lateral bladder is attached to the exterior of the launcher device body by a band, a clip, an adhesive, a screw, or a retaining ring.
  • Claim: 17. An assembly for repairing a pipe, comprising: a launcher device comprising a launcher device body having a launcher device opening disposed therein; a collar around the launcher device opening; a main bladder substantially surrounding the launcher device body; the main bladder having a first main bladder end, an opposite second main bladder end, and a main bladder opening substantially aligned with the launcher device opening; a lateral connect having a flange portion and a tubular portion, wherein the flange portion is combined with the collar such that the lateral connect is fluidly sealed to the launcher device separate from the main bladder; a lateral bladder fluidly sealed to the launcher device separately from the main bladder; a first port in fluid communication with the main bladder for inflating the main bladder; a second port in fluid communication with the lateral bladder for inflating the lateral bladder independently of the main bladder; and a liner comprising an absorbent material.
  • Claim: 18. The assembly of claim 17, wherein the liner further comprises a main liner member connected to a lateral liner member; and wherein the lateral liner member is disposed within the lateral bladder.
  • Claim: 19. The assembly of claim 18, wherein the main liner member remains outside of the launcher device body while the lateral liner member is disposed within the lateral bladder.
  • Claim: 20. The assembly of claim 17, further comprising a first fluid source connected to the main bladder and a second fluid source connected to the lateral bladder.
  • Current International Class: 16; 16; 23; 23; 23; 16

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