Sealing gasket for a roadway manhole

Details Sealing gasket for a roadway manhole Sealing gasket for a roadway manhole

1987-09-04

1988-09-20

Massie, Jerome

Road structure, process, or apparatus

Pavement

Vault cover-closure

277207A, 285110, 52 20, E02D 2914

Patent

active

047721545

ABSTRACT:
A sealing gasket for an unlocked roadway manhole accessing a municipal sewage system is interposed between a cover 2 and a frame 1, and has an inverted L or hook-shaped cross-section including two spaced and parallel outwardly extending upper lips 18, 19 and two lower, oppositely extending lips 17, 20.

REFERENCES:
patent: 2882073 (1959-04-01), James
patent: 2980449 (1961-04-01), Dunton
patent: 3015510 (1962-01-01), Bates
patent: 3046028 (1962-07-01), Nathan
patent: 3081102 (1963-03-01), Murray et al.
patent: 3573871 (1971-04-01), Warner
patent: 4648740 (1987-03-01), Carlson

Affiliated with

Also associated with

Rating

Sealing gasket for a roadway manhole does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Sealing gasket for a roadway manhole, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Sealing gasket for a roadway manhole will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1745685