The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 10302237 B1

Date of Patent:

May. 28, 2019

Filed:

Feb. 05, 2018

Apparatus and method for repairing the junction of a sewer main and lateral pipe

Applicant:

Lmk Technologies, Llc, Ottawa, IL (US);

Inventor:

Larry W. Kiest, Jr., Ottawa, IL (US);

Assignee:

LMK Technologies, LLC, Ottawa, IL (US);

Attorney:

Nyemaster Goode, PC

Primary Examiner:

Bayan Salone

Int. Cl.

CPC ...

B23P 6/00 (2006.01); B23P 6/04 (2006.01); B23P 11/02 (2006.01); B29C 63/36 (2006.01); F16L 55/16 (2006.01); F16L 55/17 (2006.01); F16L 55/26 (2006.01); F16L 55/165 (2006.01); F16L 55/179 (2006.01); E03F 3/06 (2006.01);

U.S. Cl.

CPC ...

F16L 55/1651 (2013.01); B23P 6/00 (2013.01); B23P 6/04 (2013.01); B23P 11/02 (2013.01); B23P 11/022 (2013.01); F16L 55/1654 (2013.01); F16L 55/179 (2013.01); F16L 55/265 (2013.01); B29C 63/36 (2013.01); E03F 2003/065 (2013.01); Y10T 29/49718 (2015.01); Y10T 29/49719 (2015.01); Y10T 29/49732 (2015.01); Y10T 29/49742 (2015.01); Y10T 29/49826 (2015.01); Y10T 29/49885 (2015.01); Y10T 29/49888 (2015.01);

Abstract

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.

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