Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Pressurization fluid pipeline

A technology for pressurizing fluids and pipes, applied in the direction of pipes, hoses, rigid pipes, etc., can solve the problems of expensive manufacturing, complex multi-layer pipes, etc., and achieve the effects of material saving, cost reduction, and effective vibration

Inactive Publication Date: 2003-02-12
DSM IP ASSETS BV
View PDF3 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, a disadvantage of the pressurized fluid conduit disclosed in JP2000-088151A is that such multilayer conduits are rather complex and expensive to manufacture

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Pressurization fluid pipeline
  • Pressurization fluid pipeline
  • Pressurization fluid pipeline

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0026]In a particularly preferred embodiment, the pressurized fluid duct according to the invention is an air duct of an automobile, for example comprising: a first tubular pipe part, i.e. a part with a pipe wall geometry affecting deflection, such as a corrugated part; Two tubular parts, because special thermoplastic material can have good performance of air duct at both lower and higher service temperature. The corrugated portion of the air duct preferably has corrugations of a geometry that substantially resists longitudinal elongation of the duct when operated at elevated operating temperatures and pressures.

[0027] In a preferred embodiment according to the invention, the thermoplastic material within the pressurized fluid conduit is a thermoplastic block copolyester elastomer, preferably consisting of block copolyetherester elastomer.

[0028] Blocky copolyethers contain soft blocks of elastomeric polymers and hard blocks of semi-crystalline polyester. Block polymer o...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
Modulusaaaaaaaaaa
Modulusaaaaaaaaaa
Shore hardnessaaaaaaaaaa
Login to View More

Abstract

The invention relates to a pressurized fluid conduit made from a semi-crystalline thermoplastic material that has a hardness of between 50 and 65 Shore D and a modulus at 150 DEG C of at least 60 MPa. Advantages of such a conduit are easy handling and assembling at for example room temperature, while still requirements regarding burst-pressure and deformation at elevated operating temperatures are fulfilled. Other important advantages include significant savings in material use and better vibration and noise damping. The invention also concerns use of a semi-crystalline thermoplastic material with a hardness of between 50 and 65 Shore D and a modulus at 150 DEG C of at least 60 MPa for making a pressurized fluid conduit via an extrusion moulding process, and a process for making said conduit.

Description

【Technical field】 [0001] The present invention relates to a pressurized fluid conduit. The invention also relates to the use of semi-crystalline thermoplastic materials with specific properties for the manufacture of single-layer pressurized fluid pipes by means of extrusion and the method of making said pipes. 【Background technique】 [0002] Such pressurized fluid conduits are known, inter alia, from JP2000-088151A. In this patent application a multilayer tubular shaped article is described comprising an inner layer consisting of a semi-crystalline ester-based elastomer (I) having a Shore hardness of between 50-70 and having a Shore hardness of The outer layer is composed of semi-crystalline ester-based elastomer (II) between 30-50. The elastomer (II) is a block-like interpolymer comprising hard blocks of semi-crystalline polyester and soft blocks of polypolyether, the blocks being connected to each other by a urethane binder. [0003] In this application, it is understo...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): F16L11/06B29C49/04B29K67/00B29L23/00B29L31/30B32B1/08F16L9/12F16L11/00F16L11/04F16L11/11
CPCB32B1/08Y10S138/07F16L9/12F16L11/04F16L11/111F16L11/15Y10T428/1397F16L11/00
Inventor J·科南
Owner DSM IP ASSETS BV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com