Special receptacle or package – With pallet feature
Patent
1996-03-26
1997-10-21
Sewell, Paul T.
Special receptacle or package
With pallet feature
206600, 220 15, 220401, B65D 1900
Patent
active
056786883
ABSTRACT:
The pallet container has a plastic inner container and a lattice jacket of vertical and horizontal lattice rods (9, 10) of metal. Stacking and transport safety is achieved by special design of the intersections (15) where the lattice rods (9, 10) are welded to one another. At these intersections (15) lattice rods (9, 10) are indented to form double-walled, cavity-like depressions (16). The depressions (16) have a center elevation (17). At each intersection (15) between longitudinal edges (18, 19) of center elevations (17) of depressions (16) of two lattice rods (9, 10) which lie at right angles on top of one another, this shaping of the lattice rods (9, 10) results in the formation of four contact points (20) which lie in one plane, each with a material accumulation which corresponds to four times the wall thickness of the lattice rods. The lattice rods (9, 10) are joined to one another by electrical resistance pressure welding or electrical spot welding at intersections (15) in the area of four contact points (20). The sections (25, 26) of cavity-like depression (16) of the lattice rods (9, 10), the sections adjacent on each side to elevation (17) with contact and welding points (20), form bending points of limited elasticity with a bending resistance moment which is reduced relative to the elevation (17) to relieve the welds at the intersections (15) under static and/or dynamic loading of the lattice jacket.
REFERENCES:
patent: 4157609 (1979-06-01), Schutz
patent: 4909387 (1990-03-01), Schutz
patent: 4947988 (1990-08-01), Schutz
patent: 5133476 (1992-07-01), Schutz
patent: 5366090 (1994-11-01), Schutz
patent: 5405006 (1995-04-01), Burgdorf et al.
Bui Luan K.
Protechna S.A.
Sewell Paul T.
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