Pipe joints or couplings – Convertible
Patent
1993-06-21
1994-12-27
Nicholson, Eric K.
Pipe joints or couplings
Convertible
285341, 285249, 2853341, F16L 2500
Patent
active
053758870
ABSTRACT:
A plumbing hookup kit includes a length of flexible tubing having terminals mounted on each end; different sized brass compression nuts; a brass ferrule; a pair of identical plastic sealing sleeves of one size and a pair of identical plastic sealing sleeves of another size; four identical split locking ring components, pairs of which are adapted to be combined into a locking ring; a pair of identical sealing rings of one size and another larger sealing ring. Different components of the plumbing hookup kit enable the establishment of a fluid tight connection between any of a number of different male threaded fittings in 3/8", 7/16" and 1/2" sizes, each of the type that cooperates with a corresponding one of a plurality of coupling nuts.
REFERENCES:
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patent: 2152975 (1939-04-01), Sanford
patent: 3972547 (1976-08-01), Itoya
patent: 4589688 (1986-05-01), Johnson
patent: 4770446 (1988-09-01), Keller
patent: 4848802 (1989-07-01), Wolf et al.
patent: 4991876 (1991-02-01), Mulvey
patent: 5024419 (1991-06-01), Mulvey
patent: 5060689 (1991-10-01), Csaszar et al.
patent: 5165727 (1992-11-01), Valley
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