Hose coupling and method of making the same

Details Hose coupling and method of making the same Hose coupling and method of making the same

1986-03-17

1987-03-31

Scanlan, Jr., Richard J.

Pipe joints or couplings

Nonmetal to metal

Internal member

285259, F16L 3320

Patent

active

046537791

ABSTRACT:
A hose coupling, method of making the same, and the hose coupling in combination with a tubular hose are provided, the coupling comprising a tubular insert portion to be inserted into one end of the tubular hose and a tubular ferrule portion disposed in substantially concentric and spaced relation about the insert portion to define an annular recess therebetween and being adpated to be radially inwardly deformed toward the longitudinal axis of the coupling to clamp the end of the hose between the ferrule portion and the insert portion, the ferrule portion having a plurality of inwardly directed and axially spaced apart annular ridges for deforming into the one end of the hose with each ridge having opposed annular side faces and an inner annular free end face therebetween, each side face having a substantially straight axial cross-sectional configuration that forms an acute angle with a radially disposed centerline of its respective ridge and each free end face having a substantially straight axial cross-sectional configuration and thereby being substantially blunt, each acute angle being substantially the same as the other acute angles and the straight axial cross-sectional configuration of each free end face forming an acute angle with the longitudinal axis of the coupling.

REFERENCES:
patent: 2661225 (1953-12-01), Lyon
patent: 2974980 (1961-03-01), Boyle
patent: 3367683 (1968-02-01), Mattson
patent: 4366841 (1983-01-01), Currie et al.

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