Bottles and jars – Closures – Frangible member or portion
Patent
1985-01-22
1986-03-25
Norton, Donald F.
Bottles and jars
Closures
Frangible member or portion
215319, 215321, B65D 4148
Patent
active
045777713
ABSTRACT:
A tearable bottle cap comprises a top planar disk, an approximately cylindrical skirt depending from said planar disk to snugly fit around the neck of said bottle, a first inner bead extending throughout the circumference of said skirt at a predetermined distance from the lower end of said skirt, to engage the lower portion of the upper bead of the bottle neck, a second inner bead extending throughout the circumference of said skirt at a predetermined distance above said first inner bead, in order to engage the upper portion of the upper bead of the bottle neck, a plurality of vertical, radially inwardly directed lugs projecting from the corner between said disk and said skirt and having their lower ends embedded in said second inner bead to be reinforced thereby, said lugs having a width such that they will accommodate therebetween the upper terminal portion of a screw threaded neck bottle, said radially inwardly directed lugs also serving as shock absorbers when the cap is used on unthreaded neck bottles not having a screw threaded terminal portion.
REFERENCES:
patent: 3109547 (1963-11-01), Wood
patent: 3979002 (1976-09-01), Faulstich
patent: 4037746 (1977-07-01), Ver Hage
patent: 4303167 (1981-12-01), Martinez
patent: 4437593 (1984-03-01), Bullock
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