Sealing device for a valve of an insulated pipe

Fluid handling – With casing – support – protector or static constructional... – Jacketed

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Details

137382, F16L 5916

Patent

active

060326883

ABSTRACT:
A sealing device for an insulated valve of an insulated pipe having a sleeve formed of a flexible material with an opening at a top thereof having a size suitable for allowing the valve handle to pass therethrough and a base formed of a flexible material and affixed to a bottom of the sleeve and extending upwardly therefrom. The base has an annular area corresponding to the bottom of the sleeve. A band is attached to the base for allowing the base to be affixed to the outer surface of the insulation. The sleeve has an elastic member extending outwardly of the opening at the top of the sleeve. The base is a generally flat sheet. The sleeve has an interior longitudinal axis extending transverse to a plane of the base. The sleeve and the base are formed of an elastomeric material. The sleeve and the base extend entirely around a cutout area of insulation formed at the valve handle of the valve.

REFERENCES:
patent: 2601840 (1952-07-01), Smith et al.
patent: 2737972 (1956-03-01), Callery
patent: 3738383 (1973-06-01), David
patent: 4407324 (1983-10-01), Caddell
patent: 4453562 (1984-06-01), Palkovics
patent: 4868318 (1989-09-01), Scherer, Jr. et al.
patent: 5368065 (1994-11-01), Humpert et al.
patent: 5533547 (1996-07-01), Arn
patent: 5904175 (1999-05-01), Helmsderfer

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