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Plastic tube joint

A technology of plastic pipes and collets, applied in the direction of pipes/pipe joints/fittings, hose connection devices, pipe connection arrangements, etc., can solve problems such as low value

Active Publication Date: 2006-05-17
3M INNOVATIVE PROPERTIES CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Although mechanical seals are suitable for making joints within plastic pipes for domestic and commercial installations, these mechanical seals have little value in a large number of commercial and manufacturing installations

Method used

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  • Plastic tube joint
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Examples

Experimental program
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Embodiment Construction

[0033] The connector assembly of the present invention is shown generally at 10 in the drawings. The described connector assembly 10 is used to permanently connect the plastic pipe 100 to another device. A first embodiment of a connector assembly 10 is comprised of a ferrule 110 , a collet 115 and a connector body 120 as shown in FIG. 1 .

[0034] Plastic tube 100 defines a proximal end 130 and a distal end 140 . The plastic tube 100 includes a tube wall 150 and a hollow cavity 160 . The plastic tube 100 is preferably made of a soft, resilient plastic material.

[0035] Said ferrule 110 is preferably made of plastic material as described above. refer to Figure 2-2 c, The ferrule 100 has a central hole 111 defined concentrically with its longitudinal axis. The ferrule 110 has a tube end 112 and an opposite connector end 113 . The outer edge of ferrule 110 has a flared portion 114 extending inwardly from tube end 112 to a first cylindrical portion 116 . The first cylindr...

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PUM

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Abstract

A connector assembly for making plastic fittings in a length of plastic tubing having a distal end, a proximal end and a hollow cavity, the connector assembly comprising: adjacent the proximal end of the plastic tubing, via A flared ferrule forms a tapered bore in the plastic tube, the ferrule is disposed within the lumen of the plastic tube and forms a space between said tapered bore and the proximal end of the plastic tube defined between the ferrule and the collet out, the plastic tubing retracts into the void and forms a neck between the ferrule and the collet adjacent to the flared portion of the ferrule, the neck substantially permanently locking the plastic tubing retracted into the void; and The collets described are substantially permanently bonded to the connector body. Also included are connector assemblies for simultaneously forming plastic pipe fittings within pairs of plastic pipes, and methods for simultaneously forming plastic pipe fittings within pairs of plastic pipes.

Description

technical field [0001] The present invention relates generally to the field of forming joints for plastic pipes. More specifically, the present invention relates to a method of forming a permanent leak-proof joint with plastic pipes, particularly plastic pipes made of high performance polymers. Background technique [0002] Since the invention of plastic pipes, plastic pipes have been increasingly used in domestic, commercial and industrial applications that were previously the domain of brass, copper and steel pipes. Plastic pipes offer a number of advantages over their metal predecessors. Compared to metal pipes, plastic pipes are extremely flexible, allowing quick and easy installation. In demanding applications, the wide variety of available plastic polymers allows users to select chemically inert and corrosion-resistant tubing to meet the unique needs of these applications. Plastic pipe can be installed by almost anyone since it does not require the toolbox required ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L35/00F16L13/02F16L39/00F16L47/00F16L47/02
CPCF16L13/0209F16L39/00F16L47/00F16L47/02
Inventor 内森·E·马克斯
Owner 3M INNOVATIVE PROPERTIES CO