Compressed gas cylinder
First Claim
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1. A container for storage and delivery of a compressed fluid, the container comprising:
- a body configured to contain a desired amount of a compressed fluid; and
a dome structure disposed at an end of the body, the dome structure extending inwardly into a volume generally defined by the body and the dome structure and presenting a non-planar surface to the compressed fluid in the volume such that the compressed fluid in the volume exerts pressure on the dome structure in opposing directions, thereby placing the dome structure under compression before the dome structure is pierced, the dome structure having a tip which defines a pierce region, wherein the pierce region has a thinner wall than the remainder of the dome structure and is more easily penetrated than the remainder of the dome.
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Abstract
The present invention provides a compressed gas cylinder that is capable of storing a compressed fluid at high pressures. The cylinder of the present invention includes a body terminating in an inwardly domed cap. The dome included in the cap of the compressed gas cylinder of the present invention is formed such that the material near the tip of the dome is relatively thinner than the material near the base of the dome. The tip of the dome, therefore, creates a pierce region in the cap that can be pierced through the application of a relatively low pressure.
35 Citations
5 Claims
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1. A container for storage and delivery of a compressed fluid, the container comprising:
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a body configured to contain a desired amount of a compressed fluid; and a dome structure disposed at an end of the body, the dome structure extending inwardly into a volume generally defined by the body and the dome structure and presenting a non-planar surface to the compressed fluid in the volume such that the compressed fluid in the volume exerts pressure on the dome structure in opposing directions, thereby placing the dome structure under compression before the dome structure is pierced, the dome structure having a tip which defines a pierce region, wherein the pierce region has a thinner wall than the remainder of the dome structure and is more easily penetrated than the remainder of the dome. - View Dependent Claims (2, 3, 4, 5)
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Specification