Pipe joints or couplings – Packed – Gland
Patent
1986-02-27
1987-09-01
Husar, Cornelius J.
Pipe joints or couplings
Packed
Gland
55386, 285911, 285339, 285343, F16L 1702
Patent
active
046904379
ABSTRACT:
The disclosed fitting connects a tubing end to a fluid conducting member which have a fluid port and end walls surrounding the port and a threaded portion surrounding the end wall. The fitting comprises a ferrule of resilient deformable material having a forward portion with a wide flat sealing surface which is adapted to mate with and sealingly engage the end wall surrounding the port. The ferrule has a throughbore with a diameter through its rearward portion being sufficient to receive the tubing end and the diameter through the forward portion being smaller than the tubing exterior thereby forming a tubing abutting shoulder within the ferrule. The ferrule is forced into sealing abuttment with the end wall of the fluid conducting member and into sealing engagement around the tubing by means of a fastener having a throughbore for receiving the tubing which is flared at its forward end to present conical walls for axially engaging the rearward end of the ferrule. The fastener has a threaded portion for threadedly engaging the threaded portion of the fluid conducting member, thus when the fastener is tightened on the threaded portion of the fluid conducting members, the conical walls of the forward end of the fastener will engage and force the rearward portion of the ferrule inwardly into sealing engagement around the tubing within the ferrule.
REFERENCES:
patent: 1883273 (1932-10-01), Zerk
patent: 1937865 (1933-12-01), Baker
patent: 2715536 (1955-08-01), Shuptrine
patent: 3434744 (1969-03-01), Yoke
patent: 3791522 (1974-02-01), Eisenbeiss
patent: 3954291 (1976-05-01), Gonner
patent: 4026803 (1977-05-01), Abrahams
patent: 4083702 (1978-04-01), Hartigan
patent: 4394263 (1983-07-01), Dosch
patent: 4529230 (1985-07-01), Fatula
patent: 4565632 (1986-01-01), Hatch
Valco Instruments Publication, pp. 1-8, received by PTO 6/29/83.
Applied Spectroscopy Publication, 2 pages, vol. 30, No. 2, p. 237, Mar./Apr. 1976.
Alltech Associates Inc.
Husar Cornelius J.
Nicholson Eric K.
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