Stock material or miscellaneous articles – Sheets or webs edge spliced or joined
Patent
1989-05-05
1991-04-09
Wityshyn, Michael
Stock material or miscellaneous articles
Sheets or webs edge spliced or joined
53399, 156 735, 156 93, 156157, 156221, 1563084, B29C 6506, B29C 6554, B65B 1332
Patent
active
050063855
ABSTRACT:
An improved joint and method for providing the improved joint structure in joined or fused thermoplastic strap positioned about a package or article is disclosed. The improved joint includes means for increasing the peel separation resistance of overlapping portions of the joint above the peel separation resistance provided by a weldment between the overlapping portions providing for a joint strength that approaches the tensile strength of the strap material or weldment.
REFERENCES:
patent: 2624886 (1953-01-01), Herman
patent: 3346441 (1967-10-01), Bird
patent: 3545795 (1970-12-01), Hertel et al.
patent: 3749622 (1973-07-01), Sato et al.
patent: 4483438 (1984-11-01), Kobiella
patent: 4569870 (1986-02-01), Shinmi
patent: 4776905 (1988-10-01), Cheung et al.
Cheung Nelson
Figiel Janusz
Nix Robert J.
Breh Donald J.
Buckman Thomas W.
O'Brien John P.
Signode Corporation
Wityshyn Michael
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