Medical liquid container with filter vent

Details Medical liquid container with filter vent Medical liquid container with filter vent

1980-04-21

1982-10-26

Nozick, Bernard

Gas separation

Combined or convertible

Involving ash tray

55514, 55524, 128272, 128275, 156290, 1563084, 229DIG14, 210436, 210472, 210927, B01D 5000

Patent

active

043560121

ABSTRACT:
An improved method for attaching a hydrophobic vent directly to a urinary drainage container without requiring special supplemental donut-shaped sandwich structures for retaining the filter. The substantially improved fusion bond is obtained by a special seal structure formed by a die having two protruding fusion ribs separated by a relief groove. The seal structure formed by such a die permits direct sealing of a silicone treated hydrophobic vent to a thermoplastic bag wall with a firm viable seal.

REFERENCES:
patent: 3575170 (1971-04-01), Clark
patent: 3803810 (1974-04-01), Rosenberg
patent: 4120715 (1978-10-01), Ockwell et al.

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