Load bearing closure

Details Load bearing closure Load bearing closure

1981-06-10

1982-10-12

Hall, George T.

Bottles and jars

Closures

Having warning means or means impeding closure removal

B65D 5502

Patent

active

043534740

ABSTRACT:
A screw type load bearing closure having a relatively flexible outer cap and a relatively rigid inner cap nested together. The caps are provided with complementary engaging ribs and lugs making it possible to turn the caps as a unit in a closing direction but permits relative rotation of the caps upon rotation of the outer cap in an opening direction unless the outer cap is simultaneously deflected axially relative to the inner cap. Complementary load bearing surfaces are provided on the caps to prevent axial deflection when the caps are in a predetermined position to prevent axial deflection and possible permanent set of the outer cap relative to the inner cap.

REFERENCES:
patent: 3853236 (1974-12-01), Ostrowsky
patent: 4319690 (1982-03-01), Birrell et al.

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