Title:
【発明の名称】管路あるいは通路のライニングに関する改良
Document Type and Number:
Japanese Patent JPH05506623
Kind Code:
A
Abstract:
A liner for a lateral pipe which leads into a main pipe having at one end a collar for installation at the location where the lateral liner meets the main, the collar extending along the interior of the main seating against the opening of the lateral. The liner mounted in a launching device is installed by everting the liner through an opening in the collar by means of fluid under pressure supplied through a pressure pipe in the launching device, the launcher held in position by an inflatable bladder which is inflated by said fluid, and against the collar for sealing the lateral/main pipe junction.
Inventors:
Wood eric
Application Number:
JP50794191A
Publication Date:
September 30, 1993
Filing Date:
April 22, 1991
Export Citation:
Assignee:
In Situ Form Group Limited
International Classes:
B29C63/36; F16L55/16; F16L55/165; F16L55/179; F16L55/26; B29K101/10; (IPC1-7): B29C63/36; F16L55/16
Attorney, Agent or Firm:
Hayakawa Masaname