Low carryover fitting and method for coupling tubing to a device

Pipe joints or couplings – End to side or plate – Screw

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Details

2853827, 285353, 285250, 285159, F16L 1900

Patent

active

057094136

ABSTRACT:
A fitting assembly for coupling tubing to a device having a sealing surface is provided. The fitting includes a ferrule for seating against the sealing surface. The ferrule has a head. The ferrule is formed from a first material. A reusable collar having a bevelled rear surface and an inner surface is provided. The inner surface has a ring for gripping the tubing. The collar is formed of a second material that may differ from the first material and may be malleable. A coupler engages the head of the ferrule to push the ferrule against the sealing surface. The coupler has a ramped inner surface for engaging the rear surface to push the collar against the head of the ferrule. The coupler compresses the collar radially to grip the tubing.

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LFDA Series, Miniature Solenoid Valves; from the Fifth Edition of Lee Electro-Fluidic Systems 1991; pp. 81-91 and 94-136; Publication of Lee Company, Westbrook, CT. 06498.
Lee Company Fitting Assemblies; from the Second Edition of The Lee Instac/LIF Handbook, 1982; pp. 47-66; Publication of the Lee Company, Westbrook, Ct 06498.

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