Nestable molded articles, and related assemblies and methods

Details Nestable molded articles, and related assemblies and methods Nestable molded articles, and related assemblies and methods

2011-03-01

2011-03-01

Sample, David R (Department: 1783)

Stock material or miscellaneous articles

Structurally defined web or sheet

Nonplanar uniform thickness material

C428S156000, C428S537100, C428S171000, C428S326000, C428S535000, C428S106000, C428S109000, C052S455000, C052S784100, C264S112000, C264S113000, C264S120000, C264S316000

Reexamination Certificate

active

07897246

ABSTRACT:
A man-made, molded article is provided. The article includes a profile including a planar wall, and an adjacent integral molded depression having a contoured wall extending downwardly from the planar wall. The contoured wall includes a bead portion, a cove portion, and a ledge between the bead and cove portions. The articles are stackable, one above another for transport, in a nestable relationship in which multiple contact zones are present between the contoured walls of an adjacently stacked pair of the molded articles. The contact zones include an arcuately extending contact interface zone between the bead exterior and interior surfaces. The depression has a substantially uniform thickness varying by no more than about +1 percent to about −11 percent in relation to a thickness of the planar wall. Related methods and assemblies are also provided.

REFERENCES:
patent: 3279640 (1966-10-01), Dodson
patent: 5543234 (1996-08-01), Lynch et al.

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