Receptacles – Sidewall structure – Contoured sidewall
Patent
1987-07-09
1991-03-26
Pollard, Steven M.
Receptacles
Sidewall structure
Contoured sidewall
206509, 215 1C, 215 10, B65D 2100
Patent
active
050021990
ABSTRACT:
An improved light weight liquid-containing stackable bottle made of plastic such as polycarbonate. The bottle is preferably of rectangular cross-section with parallel oppositely disposed mating sides which permits secure and space-saving stacking of the bottles. Complementary projections and receptacles are formed in the mating sides of the bottle to permit interlocking of the bottles when they are stacked. Desirably, vertical and horizontal corrugation are formed in the sides of the bottle to provide strength and reinforcement against both sideways and axial forces. The non-parallel corrugations preferably do not intersect to avoid the creation of stress points which could lead to cracking and flaws in the bottles. Horizontal corrugations are remote from the bottom and shoulder parts of the bottle in order to improve impact resistance.
REFERENCES:
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patent: 3474843 (1969-10-01), Maris
patent: 3889834 (1975-06-01), Harris, Jr.
patent: 3976228 (1976-08-01), Robbins
patent: 4308955 (1982-01-01), Schieser et al.
patent: 4339049 (1982-07-01), Gillespie
patent: 4513865 (1985-04-01), Melzi et al.
patent: 4609106 (1986-09-01), Gentili
Pollard Steven M.
Reid Valve Company, Inc.
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