Stock material or miscellaneous articles – Structurally defined web or sheet – Including aperture
Patent
1973-08-22
1976-04-27
Lesmes, George F.
Stock material or miscellaneous articles
Structurally defined web or sheet
Including aperture
93 11, 229 48R, B31F 502, B32B 310
Patent
active
039536343
ABSTRACT:
A pair of paper board panels are joined together by means of a seam structure comprising interlocking portions of the two panels. The first panel has a plurality of spaced partial perforations which define the plurality of flat first tabs each of which is displaced away from one side of the first panel about a hinge line in the first panel. The second panel is provided with a plurality of second tabs along one edge thereof each of which has a relatively narrow neck flaring outwardly into a wider tip portion. The second tabs are inserted through the partial perforations with the free ends of the second tabs being disposed adjacent the hinge lines of the first tabs, and with portions of the second tabs extending beyond the edges of their associated partial perforations to overlie the first panel on the side thereof adjacent the first tabs. The first tabs are positioned in closely adjacent parallel planar relationship to the second tabs, and the facing surfaces of the first and second tabs respectively are adhesively secured to one another.
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Epstein Henry F.
Lesmes George F.
Pollock Elliott I.
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