Special receptacle or package – Structural features for vertical stacking – i.e. – similar... – Having vertical projecting element or recess for interlock
Patent
1991-03-14
1992-11-10
Pollard, Steven M.
Special receptacle or package
Structural features for vertical stacking, i.e., similar...
Having vertical projecting element or recess for interlock
206508, 220698, 220700, B65D 2520
Patent
active
051616890
ABSTRACT:
A rim seal for use with containers for paint having an upstanding rim at one end and a groove located radially inwardly of the rim defined in part by an inner terminal edge. The rim seal includes an annular top section disposed generally transverely to the axis of a container and providing a planar support surface when assembled to a container. An inner wall section extends downwardly at an angle from the inner peripheral edge of the top section terminating in a radially inwardly directed rib adapted to overlie and seal with the edge of the container. Also, an angular outer section depending from the outer peripheral edge of the top section includes a radial section defining a ledge, and a lower terminal axially extending wall terminating and having an inwardly directed radial circumferentially extending rib. Application of an axial force on the top section produces outward flexing of the inner and outer sections whereby the rim seal can be applied to a container by automatic assembly means.
REFERENCES:
patent: 2591482 (1952-04-01), Weltlich
patent: 3309000 (1967-03-01), Haverstick
patent: 3469735 (1969-09-01), Burt
patent: 3480177 (1969-11-01), Elliot
patent: 3693829 (1972-09-01), Price
patent: 3913785 (1975-10-01), Pattershall
Pollard Steven M.
Renz Jr. Eugene E.
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