Closure with side cut tamper evident feature

Details Closure with side cut tamper evident feature Closure with side cut tamper evident feature

1987-03-26

1987-09-29

Norton, Donald F.

Receptacles

Closures

With closure opening arrangements for means

215235, 215257, B56D 5122

Patent

active

046964100

ABSTRACT:
A tamper evident closure for a container having a closed endcap with an overcap to coaxially rotate thereabout. The overcap is provided with an integrally formed knife blade which is constructed and arranged to engage a weakened annular band in the container wall near the endcap. The knife blade is located within a well which is an integral part of the overcap. As the overcap is rotated, the knife blade engages and severs the annular band, and separates the closure including the endcap and the rotatable cap from the body of the container. An annular channel may also be provided to support the overcap during rotation and thus maintain the alignment of the blade with the weakened annular band.

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patent: 4567995 (1986-02-01), Kreiseder et al.
patent: 4598837 (1986-07-01), Kreiseder et al.

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