Method for allowing selective access to the interior of fluid co

Details Method for allowing selective access to the interior of fluid co Method for allowing selective access to the interior of fluid co

1994-07-01

1996-01-09

Scherbel, David

Metal working

Method of mechanical manufacture

Assembling or joining

220242, 220327, 220328, 220562, 220565, 220601, 220661, 277 1, 277 9, 285200, 411542, B65D 4500, E21B 3300, F16J 1500

Patent

active

054817900

ABSTRACT:
A system for mounting access plates for covering an access opening onto storage tanks and the like. A backing plate assembly comprising two semi-circular, rigid backing plates is provided. The backing plates are passed individually into the interior of the tank where the backing plate assembly is reconfigured. The backing plate assembly located within the interior of the tank provides a solid structure that can be used to anchor the access plate onto the tank wall over the opening. Interior and exterior gaskets are used to create a fluidtight seal around the opening and to facilitate assembly of the mounting assembly.

REFERENCES:
patent: 1689575 (1928-10-01), Winn
patent: 2180960 (1939-11-01), Kennedy
patent: 2370799 (1945-03-01), Kelley
patent: 2486675 (1949-11-01), Pokras
patent: 2757025 (1956-07-01), Noyes et al.
patent: 3991913 (1976-11-01), Steffen
patent: 4075801 (1978-02-01), Alper et al.
patent: 5058519 (1991-10-01), Collins
patent: 5133475 (1992-07-01), Sharp

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