Accordion-folded paper sheet packing material and method

Details Accordion-folded paper sheet packing material and method Accordion-folded paper sheet packing material and method

1995-03-07

1997-01-14

Loney, Donald

Stock material or miscellaneous articles

Structurally defined web or sheet

Including aperture

428135, 428136, 428138, 428155, 428179, 428181, 428182, 493397, 493405, 493967, 156204, 156207, 156223, 156277, 156250, 156257, B32B 310, B32B 3100, B31B 126

Patent

active

055937551

ABSTRACT:
Packing material and method in which a sheet of paper stock is folded in opposite directions along alternate parallel lines to form a series of ridges and valleys, cuts are made in the stock at intervals spaced along the ridges, and sections of the stock adjacent to the cuts are folded in a reverse direction along the fold lines at the ridges to form downwardly extending pleats beneath the ridges. The material can be crumpled for use as a dunnage material or wrapped about an item to be protected. In one disclosed embodiment, the material can be compressed for shipping and storage and expanded for use. In another, which is particularly suitable for use as a protective wrap, the folded stock is affixed to a backing sheet.

REFERENCES:
patent: 2503874 (1950-04-01), Ives
patent: 3434400 (1969-03-01), Hochfeld
patent: 4247289 (1981-01-01), McCabe
patent: 4617122 (1986-10-01), Kruse et al.
patent: 4931342 (1990-06-01), Tolbert et al.

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