Valve assembly and method

Valves and valve actuation – With correlated flow path – Valve operated by joining flow path sections

Reexamination Certificate

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Details

C137S536000, C137S543130

Reexamination Certificate

active

10698135

ABSTRACT:
The present invention discloses, among other things, a valve assembly that includes a body, a valve, a biasing mechanism, and a guide. The body includes a shaped cavity and the valve includes an elongated portion and a shaped valve head that has an exterior surface portion that is configured to engage a portion of the shaped cavity. The guide includes a central axis and a centrally disposed opening that receives a portion of the valve and guides the movement of the valve through at least a segment of the valve's axial motion. The biasing mechanism, which may include a spring, biases the valve head in the direction of the shaped cavity. The invention further includes a method for making a valve assembly.

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patent: 3800824 (1974-04-01), Medina
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patent: 5421306 (1995-06-01), Talaski
patent: 5921276 (1999-07-01), Lam et al.
patent: 6427711 (2002-08-01), Kemp
patent: 6899113 (2005-05-01), Parrish et al.
patent: 4342577 (1995-06-01), None
European Search Report dated Jan. 10, 2005.

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