Stock material or miscellaneous articles – Structurally defined web or sheet – Including aperture
Patent
1995-02-08
1997-11-18
Watkins, William
Stock material or miscellaneous articles
Structurally defined web or sheet
Including aperture
428135, 428137, 428906, 428 342, 428189, 428192, 428194, 428182, 428184, 428167, 428172, 229 8702, 493967, 206814, 206521, 206584, 206585, 206586, 206594, B65D 8530
Patent
active
056885784
ABSTRACT:
The invention relates to a composite cushioning system for protecting articles, packaged within a box, from damage while being transported in the box. The composite structure includes an expansion sheet of expanded slit sheet, in combination with a separator sheet. The expanded sheet has a slit pattern which produces open cells, preferably of a hexagonal configuration. The separator sheet precludes the nesting of legs and lands of the slit sheet with other slit sheet of the same slit pattern. A variety of combinations of separator sheets and expansion sheets can be used, such as a pair of expansion sheets with a separator sheet between the pair of expansion sheets, or two such pairs of expansion sheets, with or without a separator sheet between the pairs. The separator sheet can be unslit, or tear-perforated or slit to accommodate expansion. Where the separator sheet is slit, the slits preferably produce the same amount of expansion as produced in the expansion sheets. The equipment for expanding the composite uses expansion rollers having Velcro type hooks in a spiral around the rollers such that discontinuation gripping of the expanded material is provided.
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Parker Sheldon H.
Watkins William
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