Shock resistant box

Details Shock resistant box Shock resistant box

2007-09-04

2007-09-04

Mai, Tri M. (Department: 3781)

Envelopes, wrappers, and paperboard boxes

Paperboard box

Separate reinforcing element

C229S005850, C229S939000, C229S117090, C229S122320

Reexamination Certificate

active

10796642

ABSTRACT:
Methods and apparatus are described for reducing damage to items shipped in corrugated boxes, and for reducing damage to the boxes themselves and the packing material within them. Damage is limited by adding one or more planar damped panels to a box for redistributing kinetic energy absorbed by the box when it is subjected to characteristic shipping shock and vibration. Efficient coupling of redistributed kinetic energy to resilient packing material within a box allows the use of relatively less resilient padding surrounding shipped items, thus allowing use of a relatively smaller box to obtain an acceptable level of protection. Planar damped panels also limit shifting of the item(s) to be protected by acting as damped variable-rate springs.

REFERENCES:
patent: 1158667 (1915-11-01), Fairchild
patent: 2176284 (1939-10-01), Whiteford
patent: 2761610 (1956-09-01), Welshenbach
patent: 2860768 (1958-11-01), Smithers
patent: 3076589 (1963-02-01), Meijdam
patent: 4177935 (1979-12-01), Centanni
patent: 5417342 (1995-05-01), Hutchison
patent: 5497899 (1996-03-01), Wuerfel
Single-page brochure for shipping box, published circa 2001 by Freight Mate in San Antonio, Texas.

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