Bottles and jars – Closures – Frangible member or portion
Patent
1977-03-14
1980-01-29
Hart, Ro E.
Bottles and jars
Closures
Frangible member or portion
215250, B65D 4132
Patent
active
041857470
ABSTRACT:
Bottle stopper is provided with rupturable wall section which is placed under stress when the stopper is removed from the bottle but not when the stopper is inserted in the bottle.
REFERENCES:
patent: 726039 (1903-04-01), Fitzsimmons
patent: 1393925 (1921-10-01), Townsend
patent: 3251499 (1966-05-01), Rausing
patent: 3348719 (1967-10-01), Rausing
patent: 3780897 (1973-12-01), Wassilieff
patent: 3902619 (1975-09-01), Gouget
"L'Oreal"
Hart Ro E.
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