Lined manhole and method of making same

Fluid handling – With casing – support – protector or static constructional... – Static constructional installations

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

52 20, 52 21, F16L 500

Patent

active

055843174

ABSTRACT:
A manhole base comprising a benching portion, an annular wall portion surrounding the benching portion and extending axially therefrom, the annular wall portion having inside and outside surfaces and at least two angularly spaced apart passages extending through the annular wall portion, each passage having inner and outer portions respectively, the inner and outer portions being disposed within the annular wall portion, the inner portions having respective inner openings in the inside surface and the outer portions having respective outer openings in the outer surface, the inner and outer openings being in communication with their respective passages. There is at least one canal in the benching portion for connecting at least two of the passages in communication with each other, the canal having an open top portion. There is also a canal liner having an open canal portion lying in the canal and having end portions lying in respective inner portions of respective passages, the end portions being in communication with the canal portion. The canal liner also has pipe connectors connected to respective end portions for connecting pipes to respective end portions of the canal liner, the pipe connectors having respective circular edges disposed between the inside and outside surfaces of the annular wall portion such that sufficient space is provided between the circular edges and the outer opening to permit installation of gaskets in the outer openings for sealing areas between connecting pipes connected to the pipe connectors and the manhole base such that in use, ground water is prevented from contacting the circular edges.

REFERENCES:
patent: 1463461 (1923-07-01), Davis
patent: 1706811 (1929-03-01), Pearson et al.
patent: 1712510 (1929-05-01), Monie
patent: 2457418 (1948-12-01), Turpin et al.
patent: 2798504 (1957-07-01), Gast
patent: 3403703 (1968-10-01), Reimann
patent: 4253282 (1981-03-01), Swartz
patent: 4275757 (1981-06-01), Singer
patent: 4341236 (1982-07-01), LaBenz
patent: 4346921 (1982-08-01), Gill et al.
patent: 4483643 (1984-11-01), Guggemos
patent: 4919564 (1990-04-01), Neathery et al.
patent: 5046886 (1991-09-01), Muir et al.
patent: 5066165 (1991-11-01), Wofford et al.
patent: 5213438 (1993-05-01), Barenwald
Sweet's General Building and Renovation 1993 Catalog File Section 02 725--Aco Drain Co. p. 3; model FG 100, 1993.
Greenstreak Brochure: "Form Liners for Architectural Concrete", 1986.
NPC Inc., Assembly/Specification Sheets: "Kor-N-Seal 1 & 400 Flexible Pipe-to-Manhole Connector", Jun., 1987.
Conap, Inc., Technical Data Sheet for "Conthane TU-65 Polyurethane Casting System", 1989.
Stag Sealants and Polymers Inc.: "Moldform Urethane Elastomers", 1992.
Gu-Manhole Liners Ltd., Data Sheets showing rigid pre-fabricated manhole liners and manhole units respectively, 1989.
A Lok Products Inc. Data Sheet for Tru-Contour Secondary Invert Forming System--Copyright 1988.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Lined manhole and method of making same does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Lined manhole and method of making same, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Lined manhole and method of making same will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-1984492

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.