Method for the installation of plastic pipes in sewage piping

Details Method for the installation of plastic pipes in sewage piping Method for the installation of plastic pipes in sewage piping

1985-04-09

1988-02-09

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Forming structural installations in situ

Uniting preform member with molding material

264 31, 264 36, 264 401, 264269, 138 97, 138 98, 29431, 405154, 405156, 156 64, 156 94, 1563042, E04B 116, F16L 5518, B29C 3910, B29C 6500

Patent

active

047241080

ABSTRACT:
In the procedure for the installation of plastic pipe pieces with lateral branch openings into sewage pipes to be repaired, the first step is the measuring in the longitudinal axial direction of the branch of the sewage pipe from the inside with respect to the already installed piece of plastic pipe. After that, a lateral opening is formed in the plastic pipe while the pipe is above ground and outside of the sewage pipe. Next, the already prepared plastic pipe is joined in an aligned position with the already installed plastic pipe, with the help of a movable transporter inside the sewage pipe.

REFERENCES:
patent: 4245970 (1981-01-01), St. Onge
patent: 4496499 (1985-01-01), Brittain et al.
H. S. St. Onge, "Updating Aging Sewers Without Trenching", Engineering and Contract Record, 7-1974.
"Sewer Renewal by Insertion with Nipak Polyethylene Pipe", 5-9-73.

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