Container with base cup and projection to limit stacking of base

Details Container with base cup and projection to limit stacking of base Container with base cup and projection to limit stacking of base

1987-10-27

1989-11-28

Weaver, Sue A.

Bottles and jars

Multilayer barrier structure

215 1C, 215100R, 206519, 220 69, B65D 2308, B65D 2102

Patent

active

048831883

ABSTRACT:
According to the preferred embodiment of the present invention, a method and apparatus for forming base cups for plastic bottles is disclosed wherein a hollow body is blow molded and then cut in half to form two base cups. The side wall of the body is molded with a pair of outwardly extending projections such that when stacking a plurality of base cups, the projection of one cup engages the top lip of the adjacent lower cup thereby making denesting of the top easier.

REFERENCES:
patent: D216615 (1970-02-01), Lawton
patent: 3123273 (1964-03-01), Miller
patent: 3327895 (1967-06-01), Mueller
patent: 3836042 (1974-09-01), Petitto
patent: 3927782 (1975-12-01), Edwards
patent: 4111303 (1978-09-01), Compton
patent: 4241839 (1980-12-01), Alberghini
patent: 4293359 (1981-10-01), Jakobsen
patent: 4326638 (1982-04-01), Nickel et al.
patent: 4438856 (1984-03-01), Chang
patent: 4463860 (1984-08-01), Yoshino et al.

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