Stopper for reduction of particulate matter

Details Stopper for reduction of particulate matter Stopper for reduction of particulate matter

1992-12-14

1993-06-15

Shoap, Allan N.

Bottles and jars

Closures

Self-sealing, piercable-type closure

215364, 220DIG19, B65D 3900

Patent

active

052190838

ABSTRACT:
Disclosed is a stopper for a medical vial suitable for piercings by a spike without producing unacceptable amounts of particulate matter, comprising: a stopper body of an elastomeric material; and an abrasion resistant coating covering the top, central, piercable surface of the stopper.

REFERENCES:
patent: 2459304 (1949-01-01), Blank
patent: 2747756 (1956-05-01), Hartop, Jr. et al.
patent: 3198368 (1965-08-01), Kirkland et al.
patent: 3628681 (1969-10-01), Schwartz
patent: 3760969 (1973-09-01), Shimamoto et al.
patent: 4254884 (1981-03-01), Maruyama
patent: 4635807 (1987-01-01), Knapp

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