Metal working – Method of mechanical manufacture – Gas and water specific plumbing component making
Patent
1990-07-30
1992-05-05
Eley, Timothy V.
Metal working
Method of mechanical manufacture
Gas and water specific plumbing component making
29237, 29890148, 285258, B23P 1904, B23P 5300
Patent
active
051096005
ABSTRACT:
A hose construction and methods of making the same are provided, the hose construction comprising a tubular hose and a coupling secured to one end of the tubular hose, the inner peripheral surface of the tubular hose comprising an inner corrugated hose made of polymeric material and having inwardly convex projections with recesses therebetween and extending from one end of the tubular hose to the other end thereof, the coupling having an insert disposed in one end of the tubular hose and being radially outwardly expanded into sealing relation with the inner corrugated hose, the insert having an outer peripheral surface defined by a plurality of outwardly convex projections with recesses therebetween, the projections of the insert being respectively received in the recesses of the inner hose and the projections of the inner hose being respectively received in the recesses of the insert whereby the interior of the tubular hose is substantially sealed to the interior of the coupling, the inner peripheral surface of the inner hose having been treated so that the projections and recesses thereof more readily conform to the recesses and projections of the insert at the time the insert was radially outwardly expanded.
REFERENCES:
patent: 1964289 (1934-06-01), Harrah
patent: 2427685 (1947-09-01), Midtlyng et al.
patent: 3192612 (1965-07-01), Elliott et al.
patent: 3246393 (1966-04-01), Worth
patent: 3699625 (1972-10-01), Spencer et al.
patent: 4927476 (1990-05-01), Watkins
Holden Homer N.
Lawrence James L.
Rogers Jerry W.
Sanders John D.
Dayco Products Inc.
Dungba Vo Peter
Eley Timothy V.
Tassone Joseph V.
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