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Pressure container, method and apparatus for processing fiber reinforced polymer for composing the pressure container

A pressure vessel and fiber-reinforced technology, applied in the field of pressure vessels, can solve the problems of high manufacturing cost, low production efficiency, and many production processes of pressure vessels, and achieve the effect of simple manufacturing method, low cost, and good airtightness

Inactive Publication Date: 2006-02-15
张昆
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The pressure vessel described in the above-mentioned patent has problems such as high manufacturing cost, many production processes, complicated process, and low production efficiency.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Choose an injection molding machine with a screw diameter of 90 mm, an inner diameter of the nozzle (nozzle) of 4 mm, a mold runner diameter of 6 mm, and a gate area of ​​20 mm 2 processing equipment.

[0022] temperature(℃)

pressure

speed

Back of barrel

265

injection

middle

injection

same

Barrel middle section

265

pressure holding

Injection pressure 1 / 2

Screw speed RPM

40

Front section of barrel

270

back pressure

2.5kg / cm 2

melt

270

mold

90

[0023] Pressure test: It can pass 80℃ water, 1000 hours, 2Mpa static pressure test.

[0024] Rockwell hardness test: 102 (ASTM-D785)

Embodiment 2

[0026] Using exactly the same processing conditions as in Example 1, still using glass fiber weight content of 20%, but the average length is 0.6mm short glass fiber reinforced polypropylene (PP). Then it can't pass the above pressure test at all.

Embodiment 3

[0028] The polypropylene plastic with a glass fiber weight content of 20% is selected, the average length of the glass fiber is 55mm, and the processing equipment and technology are exactly the same as those in Example 1. However, the nozzle (nozzle) was clogged during the injection molding process, and the product could not be obtained at all.

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Abstract

This invention discloses a pressure vessel, which stores or transmits the solid or the liquid or the gas whose working pressure are under or up the atmospheric pressure, wherein the parts or the whole vessel is composed of the fiber reinforced agglomeration composition whose average length is 1-30mm, and the weight percent is 5%-55%. This invention also discloses the processing forming method and its production device for the fiber reinforced agglomeration of the related pressure vessel.

Description

technical field [0001] The present invention relates to a pressure vessel for storing and / or conveying solid and / or liquid and / or gaseous medium whose working pressure is above or below atmospheric pressure, its component fiber-reinforced polymer processing method and equipment. Background technique [0002] Fabrication of fiber-reinforced composite materials by lamination, wrapping, and filament winding of thermosetting resins and / or thermoplastic resins with fibers is well known. [0003] In the patent No. 95197549.8, the Chinese patent titled "Pressure Vessel and Its Manufacturing Method" describes the use of a filament fiber winding method or a coil with a tensile elastic modulus of more than 35Gpa and a tensile breaking strain of more than 1.5%. The method of wrapping and compounding thermosetting resins, elastomers and / or thermoplastic resins to form a pressure-containing shell. [0004] In the Chinese patent No. 00811297.5, titled "Pressure Vessel and Its Manufacturi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16J12/00F17C1/16B29D22/00B29C45/00B29C49/00B29C47/00B29K105/12
Inventor 张昆
Owner 张昆
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