Hose clamping structure

Details Hose clamping structure Hose clamping structure

2005-01-04

2005-01-04

Bochna, David (Department: 3679)

Pipe joints or couplings

Nonmetal to metal

Internal member

C285S259000

Reexamination Certificate

active

06837524

ABSTRACT:
A hose clamping structure10includes: a metal pipe11having an inserting end portion12straightly extending in an axial direction at one end and having a ring-shaped projecting portion13at a leading end of the inserting end portion12; a rubber hose16insertedly fitted to the entire outer surface of the inserting end portion by press-fitting and secured thereto in an unbonded manner; and a tubular sleeve member21mounted to the outer surface of the rubber hose and extending over the substantially full length of the inserting end portion, and tightened from outside so as to clamp the rubber hose. The sleeve member includes a second tightening portion27and a first tightening portion24apart from each other in an axial direction. The first tightening portion includes a tubular portion25substantially parallel with the axial direction at the side of the second tightening portion, and a tapered portion26tapered and widened into a conical shape from the tubular portion toward the leading end of the inserting end portion.

REFERENCES:
patent: 3690703 (1972-09-01), Philipps
patent: 4226446 (1980-10-01), Burrington
patent: 5040829 (1991-08-01), Sauer
patent: 5044671 (1991-09-01), Chisnell et al.
patent: 5080404 (1992-01-01), Sauer
patent: 5358012 (1994-10-01), Kish
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patent: 5417461 (1995-05-01), Dougherty et al.
patent: 5622394 (1997-04-01), Soles et al.
patent: 5797629 (1998-08-01), Beagle
patent: 5961157 (1999-10-01), Baron et al.
patent: 6186559 (2001-02-01), Fisher et al.
patent: 09-229271 (1997-09-01), None

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