Blow molded box

Details Blow molded box Blow molded box

1986-05-06

1992-06-30

Marcus, Stephen

Special receptacle or package

Structural features for vertical stacking, i.e., similar...

Having vertical projecting element or recess for interlock

220339, 220675, B65D 2102

Patent

active

051255111

ABSTRACT:
A blow molded box having (1) corner structures including hollow post-like supports against an outer polymeric sheet defining the corner, which supports are formed in inner polymeric sheets defining the inner surfaces of the intersecting walls at the corner; (2) dust resistant hinge that has central parts that engage when the box is opened or closed to retain the relative positions of those central parts against radial movement; and (3) locating portions on the sidewalls of the box that engage mating locating portions on the sidewalls of adjacent similar boxes to restrict slippage between the boxes and facilitate carrying a stack of the boxes, but which are resiliently flexible so that they do not greatly restrict removing the box from between adjacent boxes stored side by side on a shelf or hanging from a support member.

REFERENCES:
patent: 3406855 (1986-10-01), McKechnie
patent: 3663990 (1972-05-01), Shane
patent: 3701456 (1972-10-01), Alroy
patent: 4005800 (1977-02-01), Schurman
patent: 4153178 (1979-05-01), Weavers
patent: 4177896 (1979-12-01), Weavers et al.
patent: 4211337 (1980-07-01), Weavers et al.
patent: 4308966 (1982-01-01), Ettema
patent: 4589551 (1986-05-01), Hellon

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