Pipe joints or couplings – With assembly means or feature – Handle or handwheel for rotary engagement
Patent
1985-08-16
1987-05-19
Arola, Dave W.
Pipe joints or couplings
With assembly means or feature
Handle or handwheel for rotary engagement
285 92, 285294, 285351, 285360, 285423, 285915, F16L 3724
Patent
active
046661883
ABSTRACT:
A coupling apparatus and method is disclosed for coupling a first and a second hose to enable the flow of fluid therethrough upon the application of fluid pressure comprising a first coupling member having a first internal bore connected to the first hose. A second coupling member having a second internal bore is connected to the second hose. A first and second major thread is disposed on the first and second coupling member, respectively. The first coupling member is insertable into the second coupling member with the first major thread threadably engaging the second major thread. The first and second coupling member being constructed of a resilient and deformable material for enabling radial expansion of the first and second coupling member upon the application of the fluid pressure. A restraining member is secured to the second coupling member for inhibiting radial expansion of the second coupling member to enable radial expansion of the first coupling member within the second coupling member to create a fluid tight seal therebetween. The first and second coupling members may be constructed of a resilient and deformable polymeric material making the coupling apparatus suitable for use with high pressure abrasive systems such as sand blasting or the like.
REFERENCES:
patent: 339036 (1886-03-01), Wilbur
patent: 2876154 (1959-03-01), Usab
patent: 3108826 (1963-10-01), Black
patent: 3876234 (1975-04-01), Harms
patent: 4143892 (1979-03-01), Murphy et al.
patent: 4281859 (1981-08-01), Davies
patent: 4386796 (1983-06-01), Lyall et al.
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