James J Oblak DeceasedAurora, IL
James Oblak Phones & Addresses
Aurora, IL
401 Knob Hill Rd, Valdosta, GA 31602 229-2441300
Lombard, IL
Lansing, IL
Woodridge, IL
Mentions for James J Oblak
Publications & IP owners
Us Patents
Lug Lid For Materials Container With Sacrificial Depressions And Annular Expansion Bead
US Patent:
5685449, Nov 11, 1997
Filed:
Mar 21, 1996
Appl. No.:
8/619329
Inventors:
James A. Oblak - Valdosta GA
Assignee:
Brockway Standard, Inc. - Atlanta GA
International Classification:
B65D 4112
US Classification:
2203101
Abstract:
A lug lid (10) which closes an open head pail (12) has lugs (31) that overlap the annular rim (19) of the pail and which are crimped thereabout to attach the lid to the pail. An annular expansion bead (38) is formed in the lid to enable the lid to expand to relieve some of the increases in internal pressure which might occur in the container. Sacrificial depressions (46) are formed in the lid (10) adjacent the expansion bead (38) with each sacrificial depression radially aligned with a lid lug (31). The sacrificial depressions selectively weaken the lid to control the formation of wrinkles (47) in the lid in response to increased pressure within the materials container, with such wrinkles being formed in radial alignment with the lugs of the lid, where the connection between the lid (10) and the pail (12) is strongest.
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