Tamper-evident tare cap

Details Tamper-evident tare cap Tamper-evident tare cap

2006-12-26

2006-12-26

Kaufman, Joseph A. (Department: 3754)

Dispensing

With lock or fastening seal

Single-use fastening seal

C222S541600

Reexamination Certificate

active

07152760

ABSTRACT:
A tamper-evident cap for a threaded outlet includes a top and a cylindrical side. The tamper-evident cylindrical side is initially engaged with threads of a valve outlet to prevent axial displacement of the cylindrical side with respect to the valve outlet. The cylindrical side includes a plurality of undercut barbs to prevent manipulation of the cap to an open condition. The cylindrical side includes a frangible tear strip connected to a pull tab and connected to the remainder of the cylindrical side by lines of weakness, which tear strip arranged to be torn to facilitate displacement of the cylindrical side to permit manipulation of the cap to an open condition.

REFERENCES:
patent: 4437593 (1984-03-01), Bullock, III
patent: 4595123 (1986-06-01), Libit
patent: 4711363 (1987-12-01), Marino
patent: 5579943 (1996-12-01), Johnson
patent: 5769277 (1998-06-01), Elliot
patent: 6073809 (2000-06-01), Long, Jr.
patent: 6655553 (2003-12-01), Staniszewski
patent: 6685061 (2004-02-01), Wolf et al.
patent: 2002/0104852 (2002-08-01), Staniszewski et al.

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