Pipe joints or couplings – Elbow
Patent
1996-08-05
1998-08-18
Arola, Dave W.
Pipe joints or couplings
Elbow
385175, 385226, 385247, 385328, 385903, 385921, F16L 5500
Patent
active
057949867
ABSTRACT:
A coupler having a releasable compression fitting connects a length of tubing to a ventilator fitting. The compression fitting allows the tubing to be made of economical and re-usable materials that would otherwise be difficult to attach to a ventilator fitting. The coupler may have a conical end that can be directly attached to a ventilator fitting, or it may have a barbed end over which an elastomeric endpiece is attached, which in turn can be attached to a ventilator fitting. The tubing and coupler may be sterilized and re-used.
REFERENCES:
patent: 3177016 (1965-04-01), Holmgren
patent: 3501171 (1970-03-01), Baron
patent: 3926458 (1975-12-01), Dryden
patent: 4035534 (1977-07-01), Nyberg
patent: 4133312 (1979-01-01), Burd
patent: 4296949 (1981-10-01), Muetterties et al.
patent: 4735441 (1988-04-01), Stephens
patent: 4803053 (1989-02-01), Williamson
patent: 5190322 (1993-03-01), Hughes
patent: 5249610 (1993-10-01), Cassou et al.
Gansel Guy
Takabayashi Susumu
Arola Dave W.
Infrasonics, Inc.
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