Reliable breakable closure mechanism

Details Reliable breakable closure mechanism Reliable breakable closure mechanism

1992-03-11

1994-07-19

Hafer, Robert A.

Surgery

Container for blood or body treating material, or means used...

Container with piercable closure

604408, 604403, A61M 500

Patent

active

053304640

ABSTRACT:
A frangible seal for a fluid path including a frangible seal member secured within a tube defining the fluid path. The frangible seal member having a tubular seal member and a stem extending from the tubular seal member which, upon bending back and forth, breaks away from the seal member thereby to rupture the tubular seal in the fluid path. The tubular seal member and stem are integrally formed of a non-PVC material. The tubular seal member will bond to PVC tubing during steam heating thereof. The tubular seal member and stem are constructed to provide uniform non-reclosable rupturing. The stem includes vanes with spurs that frictionally engage the inner walls of the tube to maintain separation of the stem and ruptured tubular seal member.

REFERENCES:
patent: 3217710 (1965-11-01), Beall et al.
patent: 3750645 (1973-08-01), Bennett et al.
patent: 4007738 (1977-02-01), Yoshino
patent: 4181140 (1980-01-01), Bayham et al.
patent: 4294247 (1981-10-01), Carter et al.
patent: 4340049 (1982-07-01), Munsch
patent: 4430049 (1984-02-01), Aiba
patent: 4479989 (1984-10-01), Mahal
patent: 5188629 (1993-02-01), Shimoda

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