Pipe joints or couplings – Vacuum cleaner type
Patent
1984-10-26
1985-12-17
Scanlan, Jr., Richard J.
Pipe joints or couplings
Vacuum cleaner type
285275, 285423, 285DIG4, 285DIG22, A47L 924
Patent
active
045588899
ABSTRACT:
An aquatic vacuum hose swivel cuff coupling comprises, in combination, a blow-molded vacuum hose and a molded swivel cuff. The hose includes one end which terminates as a right cylindrical end portion and a hose ring provided substantially adjacent to the cylindrical end portion whereby a circumferential groove is provided between the cylindrical end portion and the hose ring. The swivel cuff component has a seating portion for receiving the cylindrical end portion of the hose and an annular ring adapted to fit within the circumferential groove of the hose, the annular ring being provided about the hose entrance to the seating portion of the cuff. The cylindrical end portion of the hose is maintained within the seating portion of the cuff by the annular ring being disposed within the circumferential groove whereby the hose may be swivelably rotated within the cuff. The hose end components are extruded with the continuous extrusion blow-molded hose thereby eliminating the need to weld components such as seals.
REFERENCES:
patent: 2260038 (1941-10-01), Lang
patent: 3167330 (1965-01-01), Draudt
patent: 3262718 (1966-07-01), Draudt
patent: 3565464 (1971-02-01), Wolf
patent: 4099744 (1978-07-01), Kutnyak et al.
patent: 4345805 (1982-08-01), Finley et al.
Action Technology
Scanlan, Jr. Richard J.
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