Tubular safety element for closing a flow line

Details Tubular safety element for closing a flow line Tubular safety element for closing a flow line

1980-12-01

1982-01-05

Weakley, Harold W.

Fluid handling

Destructible or deformable element controlled

137460, 137498, 137517, 220 89A, 220229, 220240, F16K 1304

Patent

active

043088856

ABSTRACT:
The collapsible safety element has a polygonal end and a star-shaped end which are interconnected by flat triangular sections. The triangular sections are disposed relative to one another so that the points of the star-shaped end are in line with the corners at the polygon-shaped end. Consequently, when the safety element is closed, the triangular sections extending from the star-shaped end are disposed in parallel relation to each other. This improves and increases the sealing effect of the safety element at high pressure.

REFERENCES:
patent: 3895646 (1975-07-01), Howat
patent: 4053084 (1977-10-01), Anderson
patent: 4142544 (1979-03-01), Straub

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