Protective valve ring
AssigneeGce Holding AB
InventorsKarel Zmek, Zdenek Firych, Petr Jehlicka, Gareth Pemberton
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Abstract
The invention relates to a protective valve ring (1) for an oxygen gas cylinder (3). The protective valve ring (1) comprises a body (4) adapted to enclose an outlet (5) of a cylinder valve (2). The body (2) comprises an incombustible and heat absorbing material, and has an internal shaping adapted to guide any potential oxygen gas leak away from inflammable parts of the gas cylinder (3). The invention also relates to a shut-off valve (2) for controlling flow of a pressurised gas and a method for attaching a protective valve ring (1) to a shut-off valve (2) of an oxygen gas cylinder (3).
Claims20
A protective valve ring (1) for an oxygen gas cylinder (3), comprising:
- a body (4) adapted to enclose an outlet (5) of a cylinder valve (2) of the oxygen gas cylinder,
- wherein the body (4) comprises an internal shaping that includes a first groove (6) extending along an inner circumference of the body (4) and at least one second groove (7) extending along an inner circumference of the body (4) from a bottom portion of the body (4) in an axial direction thereof to the first groove (6) of the body (4), and wherein the internal shaping is configured to guide any potential oxygen gas leak from the oxygen gas cylinder (3) upward through the at least one second groove (7), into the first groove (6), and away from portions of the gas cylinder (3) disposed above the body.
A method for attaching a protective valve ring (1) to a shut-off cylinder valve (2) of an oxygen gas cylinder (3), the protective valve ring (1) comprising a body (4) adapted to enclose an outlet (5) of the cylinder valve (2), the body (4) comprising internal shaping adapted to guide a potential oxygen gas leak away from inflammable parts of the gas cylinder (3), wherein the method comprises the steps of:
- arranging a first part (10) and a second part (11) of the body (4) around the outlet (5) of the cylinder valve (2), wherein a first end of the first part (10) is hinged together with a first end of the second part (11), and
- locking a second end of the first part (10) together with a second end of the second part (11) by means of a pin element (14) or a snap lock.
Dependencies are inferred from the claim text.