Spring type paper cushion

Details Spring type paper cushion Spring type paper cushion

2011-01-11

2011-01-11

Gehman, Byron P (Department: 3728)

Special receptacle or package

Shock protection type

With article aperture in retainer

C206S320000, C206S586000, C206S592000

Reexamination Certificate

active

07866479

ABSTRACT:
A spring type paper cushion having a columnar body, at least four cushioning recesses, at least four projections and a receiving portion. The columnar body has a columnar wall and an axis. The cushioning recesses and the projections are formed on the columnar wall. The projections are respectively located between two of the cushioning recesses. The receiving portion is recessed into the columnar wall and is located at one of the cushioning recesses. The receiving portion has two receiving mountain-fold lines, two slits and a bottom. The slits are cut so that the two receiving mountain-fold lines can be folded allowing the bottom to sink into the body.

REFERENCES:
patent: 3240417 (1966-03-01), Andreini
patent: 5341931 (1994-08-01), Prochaska et al.
patent: 5732818 (1998-03-01), Koehn
patent: 2010/0072096 (2010-03-01), Wu et al.

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