Strain accommodating fluid conduit assembly and fitting therefor

Details Strain accommodating fluid conduit assembly and fitting therefor Strain accommodating fluid conduit assembly and fitting therefor

1981-10-20

1985-10-22

Arola, Dave W.

Pipe joints or couplings

With casing, lining or protector

Lined

285114, 285258, 285286, 285302, 285321, 285347, 285370, 285 93, F16L 914

Patent

active

045484279

ABSTRACT:
A conduit consisting of a metal tube, with or without a plastic tube liner, is rendered strain accommodating by securing to its ends fittings that have a first component part to one end of which is joined the usual male or female coupling means or other connector means and to the other end of which is joined a sleeve which, in turn, is connected either directly or through another component part to the metal tube end. Said sleeve is joined to the component part or parts with provision for limited axial and angular movement and a fluid-tight seal therebetween. The plastic lining tube when present may be independently connected to the first component part with a fluid-tight seal or may pass therethrough. Alternatively, a short section of plastic tubing is connected with fluid-tight seals between the two component parts when present or between the first component part and the sleeve. Thereby, the fittings can move through a restricted range relative to the metal tube while the plastic liner or tube section elastically accommodates such movement and fluid integrity is maintained independently by both the plastic and metal tubes.

REFERENCES:
patent: 3131642 (1964-05-01), Geer et al.
patent: 3142498 (1964-07-01), Press
patent: 3190374 (1965-06-01), Caperon et al.
patent: 3203662 (1965-08-01), Lau
patent: 3416819 (1960-12-01), Day
patent: 3822412 (1974-07-01), Carlin et al.
patent: 4293150 (1981-10-01), Press
patent: 4350372 (1982-09-01), Logsdon

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