Corrosion resistant insert

Details Corrosion resistant insert Corrosion resistant insert

1990-09-13

1995-07-11

Moy, Joseph Man-Fu

Receptacles

Receptacle having flexible, removable inner liner

Means for venting air trapped between the liner and its...

220258, 220661, 220 861, B65D 9004

Patent

active

054312965

ABSTRACT:
A corrosion resistant insert of the present invention is used for fitting at an opening in a metallic liquid tank. The insert has an open end, a radially outwardly extending lip at the open end, a closed end and an axially extending side wall spacing the open end and closed ends from one another. The closed end has a displaceable portion secured to the insert in a preweakened manner which facilitates opening in one direction while resisting opening in the other direction. The use of the insert in the tank enables lining and then pressure testing of the tank ready for fittings after which the closed end of the insert is opened to allow liquid flow through the tank when the tank is in use.

REFERENCES:
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patent: 1915309 (1933-06-01), Grosser
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patent: 2281407 (1942-04-01), Bohnsack
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patent: 2818995 (1958-01-01), Duguid
patent: 4003493 (1977-01-01), Wells et al.
patent: 4078694 (1978-03-01), Gnyp et al.
patent: 4463866 (1984-08-01), Mandel
patent: 4533063 (1985-08-01), Buchner et al.
patent: 4821912 (1989-04-01), Wells
patent: 5002085 (1991-03-01), FitzGerald

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