Filter for oil containing adhesive contaminants

Details Filter for oil containing adhesive contaminants Filter for oil containing adhesive contaminants

2006-10-10

2006-10-10

Menon, Krishnan S. (Department: 1723)

Liquid purification or separation

Plural distinct separators

Filters

C210S335000, C210S338000, C210S437000, C210S440000, C210S446000, C210S450000, C210S493100, C210S497010

Reexamination Certificate

active

07118673

ABSTRACT:
The present invention involves a filter element assembly (10), which is useful in removing undissolved adhesive bodies from oil. The assembly includes at least one cylindrical body11of principal filter medium for removing particulates from oil. Body11has an inlet end and an outlet end. A secondary filter medium20for removing undissolved adhesive bodies from the oil is located around the sides and across the inlet end of the principle medium (11). A flow affording spacer926) is disposed between the sides and the inlet end of the principal medium (11). A preferred spacer (26) is a non-woven expandible mesh present in a partially expanded state and having elements (27,28) grouped in first and second sets in which the elements (27) in the first set are laid atop the elements (28) in the second set. A readily cleanable containment vessel (39) for the filter element assembly (10) includes a tubular body (41) which is releasably connectible in liquid tight relation to a bottom cover (44) for the body (41).

REFERENCES:
patent: 4366057 (1982-12-01), Bridges et al.
patent: 4773999 (1988-09-01), Schade
patent: 4886599 (1989-12-01), Bachmann et al.

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