Liquid purification or separation – Filter – Within flow line or flow line connected close casing
Patent
1979-10-30
1981-09-01
Cintins, Ivars C.
Liquid purification or separation
Filter
Within flow line or flow line connected close casing
210446, B01D 2900
Patent
active
042870658
ABSTRACT:
A filter hub assembly has a male portion which serves as a needle accommodating unit ultrasonically welded to a female portion with a filter interpositioned therebetween. The needle accommodating unit has a sealing shoulder thereon and a lowermost rim which is inwardly beveled to contact a filter in a gentle yet secure manner.
REFERENCES:
patent: 3722697 (1973-03-01), Burke et al.
patent: 3954625 (1976-05-01), Michalski
Burron Medical Inc.
Cintins Ivars C.
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