Dispensing bottle with internal flow rate restriction system

Details Dispensing bottle with internal flow rate restriction system Dispensing bottle with internal flow rate restriction system

1990-10-24

1992-10-27

Weaver, Sue A.

Dispensing

With filter

Associated with vent passage

222212, 222420, 222541, 215 32, B65D 4718, B65D 4736, B29C 4900, B29D 2800

Patent

active

051582139

ABSTRACT:
A sterile packaging assembly (100) for dispensing a liquid in drops comprises a main body (101) of plastic material, having a top portion (103) with an outside thread for receiving a screw cap (104), and containing a flow rate restriction system (105) for controlling drop formation. The flow rate restriction system is positioned substantially on the axis of the main body and is held in position by a constricted portion (106) of the top portion (103) of the main body. The invention is particularly applicable to sterile packaging of pharmaceutical substances such as eye drops.

REFERENCES:
patent: 750637 (1904-01-01), Goetz
patent: 2411435 (1946-11-01), Kirschenbaum
patent: 2576403 (1951-11-01), Kirschenbaum
patent: 2874881 (1959-02-01), Stull
patent: 3189223 (1965-06-01), Mackal
patent: 3954623 (1976-05-01), Hammer et al.
patent: 4655355 (1987-04-01), Turoff et al.
patent: 4811866 (1989-03-01), Golias
patent: 5105993 (1992-04-01), La Haye et al.

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