Fittings for joining lengths of pipe by a press-fit connection and pipe assembly formed using same

EP4547991A4Pending Publication Date: 2026-06-24TRINITY PRODUCTS LLC
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Patent Information

Application Number
EP2024739064
Authority / Receiving Office
EP · EP
Patent Type
Applications
Current Assignee / Owner
Priority Date
2023-09-25
Filing Date
2024-01-08
Publication Date
2026-06-24

AI Technical Summary

Technical Problem

Traditional methods of joining pipe lengths, such as welding and press-fitting, face challenges including high forces required for press-fitting, potential deformation, and alignment issues, which can lead to structural integrity problems and inefficiencies in pipeline assembly.

Method used

The use of male and female fittings with standard and biased teeth, where the biased teeth are angled between 18 and 26 degrees, allows for easier press-fitting with reduced force requirements while enhancing the joint's resistance to separation under compressive and bending stresses.

Benefits of technology

This solution enables a strong and reliable press-fit connection that requires less force to assemble, maintains structural integrity under various pipeline orientations, and withstands significant axial forces during installation and operation, as demonstrated by tests showing increased resistance to separation forces.

✦ Generated by Eureka AI based on patent content.

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Abstract

A pipe assembly is provided, comprising: a male fitting having a radially inner side and outer side; at least one standard tooth extending about the radially outer side, wherein the at least one standard tooth includes a radial engagement surface parallel to a radial direction; a biased tooth extending circumferentially about the radially outer side, wherein the at least one biased tooth includes a biased engagement surface biased relative to the radial direction by an angle A1; and a female fitting having a radially inner side and outer side; at least one standard tooth extending about the radially inner side, wherein the at least one standard tooth includes a radial engagement surface parallel to a radial direction; a biased tooth extending circumferentially about the radially inner side, wherein the at least one biased tooth includes a biased engagement surface biased relative to the radial direction by the angle A1.
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Citation Information

Patent Citations

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    US10704724B1

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    US4298221A

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    US5921591A