Breathing mask-hose coupling

Details Breathing mask-hose coupling Breathing mask-hose coupling

1990-05-10

1991-03-05

Burr, Edgar S.

Pipe joints or couplings

Screw thimble

Removable

12820227, 128912, F16L 2500

Patent

active

049972170

ABSTRACT:
A coupling formed of three integral pieces that snap-fit for assembly comprising a tubular adaptor having a threaded end and an outwardly extending flange, a tubular split nut that slidingly engages the adapter between the threaded end and the flange, and a ring member that slips over and tightly engages the nut.

REFERENCES:
patent: 260968 (1882-01-01), Frey
patent: 2137137 (1938-11-01), Goldacker
patent: 2226914 (1940-12-01), Sharon

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