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Pressure container

a technology of pressure containers and air chambers, applied in the field of pressure containers, can solve the problems of leakage of air, failure to provide reliable airtight effect, and significant drop in pressure in the air chamber of the pressure container within a short tim

Inactive Publication Date: 2006-08-03
SHEN CHUAN CHIN +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The first casing and the second casing are usually bonded together by simple high-frequency waves or heat-fusion, which fails to provide a reliable airtight effect.
As a result, the pressure in the air chamber of the pressure container significantly drops within a short time.
Further, leakage of air occurs if heat fusion is carried out at a low temperature.
Further, leakage is apt to occur in the casings made of polypropylene that has a sparse molecular structure.

Method used

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Embodiment Construction

[0019] Referring to FIGS. 1 through 3, a pressure container in accordance with the present invention comprises a first casing 1, a second casing 2, and a sealing member 4. The first casing 1 can be made of polypropylene and is substantially bowl-like. The first casing 1 includes a closed first end and an open second end. An inlet 11 is defined in an end wall of the first end of the first casing 1 and can be sealed by a removable cap 12. The first casing 1 further includes a plurality of engaging members 13 on an outer periphery of the second end of the first casing 1.

[0020] The second casing 2 can be made of polypropylene and is substantially bowl-like. The second casing 2 includes a closed first end and an open second end. A valve 21 is defined in an end wall of the first end of the second casing 2, allowing inflation of air into the pressure container. The second casing 2 further includes a plurality of engaging members 22 on an outer periphery of the second end of the second cas...

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PUM

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Abstract

A pressure container includes a first casing, a second casing, and a sealing member. A deformable membrane is mounted in the first casing, defining a water chamber that is communicated with a water inlet in the first casing. An air chamber is delimited by the deformable membrane and the second casing. The sealing member includes an inner ring, an outer ring surrounding the inner ring, and a connecting ring connecting the inner ring with the outer ring. The inner ring, the outer ring, and the connecting ring together define a first groove and a second groove respectively on two sides of the connecting ring. A flange on an end of the deformable membrane and an open end of the first casing are sealingly received in the first groove. An open end of the second casing is sealingly received in the second groove.

Description

BACKGROUND OF THE INVENTION [0001] 1. Field of the Invention [0002] The present invention relates to a pressure container. In particular, the present invention relates to a pressure container for storing purified water. [0003] 2. Description of the Related Art [0004] Reverse osmosis is one of the most popular methods for purifying water, as it may remove more than 95% of salts, heavy metal, and chemical residuals in water. Thus, reverse osmosis is widely used in biochemical pharmaceutical manufacturing processes, electrical manufacturing processes, household use, etc. [0005] The purified water obtained by reverse osmosis for household use is often not immediately used. Therefore, the purified water is stored in a pressure container for subsequent use. The pressure container is communicated with a faucet or the like and provides a pressure for forcing the purified water out of the pressure container. A typical pressure container includes a first casing and a second casing. The first ...

Claims

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Application Information

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IPC IPC(8): B65D25/04
CPCB01D61/025B01D2313/246C02F1/003C02F1/441
Inventor SHEN, CHUAN CHINLEE, TIEN FUYAN, LYNN L.
Owner SHEN CHUAN CHIN