Method and apparatus for breaking and stripping hose from a mand

Details Method and apparatus for breaking and stripping hose from a mand Method and apparatus for breaking and stripping hose from a mand

1976-03-26

1977-05-31

Duzan, James R.

Metal working

Method of mechanical manufacture

Shaping mating parts for reassembly in different positions

29235, B23D 902

Patent

active

040260038

ABSTRACT:
Hose is stripped from a mandrel by urging the tapered end of an annular nozzle at least partially beneath one end of the completed hose. Air under pressure is led to an annular shaped region defined and cooperatively formed by the nozzle and the mandrel to pass beyond the tapered end of the nozzle and between the inner surface of the hose and the outer surface of the mandrel, thereby "breaking" the hose away from the mandrel and lifting the hose away from the mandrel to greatly facilitate stripping of the hose from the mandrel. The nozzle assembly is driven in a linear direction to push or "strip" the hose from the mandrel.
The end of the nozzle remote from the hose is provided with a sliding seal which facilitates movement of the nozzle along the mandrel as the hose is stripped therefrom while preventing the escape of the pressurized air.

REFERENCES:
patent: 2099843 (1937-11-01), Connell
patent: 3010194 (1961-11-01), Fratzke
patent: 3104459 (1963-09-01), Wendt
patent: 3137384 (1964-06-01), Perret
patent: 3171306 (1965-03-01), Mirsch
patent: 3267774 (1966-08-01), Bilco et al.
patent: 3621560 (1971-11-01), Le Bright
patent: 3832767 (1974-09-01), Petree
patent: 3946483 (1976-03-01), Holden et al.

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