Special receptacle or package – For a filament or space discharge bulb or tube – Plural
Molded synthetic resin dunnage supports for packing of elongated fragile fluorescent tubes are provided which are designed for automated dispensing during packaging and give protection against tube breakage at least equivalent to that of conventional molded pulp supports. In preferred forms, the dunnage support is formed from polyvinyl chloride sheet material (0.014 inch thickness) and includes plural juxtaposed tube-receiving sockets together with a rear side lip and front side ledge platforms; the lip carries laterally spaced upright nibs which, in conjunction with the ledge platforms, prevent complete nesting of the supports, so that an interfitted support stack presents substantially even access spaces between individual supports for easy machine dispensing. The tube-receiving sockets are provided with alternating, vertically spaced, upwardly and downwardly opening arcuate, striated tube-engaging sections so that a single support can simultaneously engage and cushion a pair of tube layers in a shipping carton. The dunnage design affords a high degree of protection for the packaged tubes and can safely absorb potentially destructive impacts without tube breakage.
patent: 3195770 (1965-07-01), Robertson
patent: 3223234 (1965-12-01), Weiss
patent: 4427730 (1984-01-01), Robbins et al.
The Lawrence Paper Company
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