Title: Means and method for packaging frangible articles

Abstract: A system of packaging frozen onion rings and other frangible articles for transport and storage is disclosed. Vacuum formed polystyrene packages having a shock absorbing flange are stacked in rigid walled shipping containers, each package resting with a downwardly protruding edge of its flange on a rigid horizontal surface. Special purpose packages having troughs for cradling rectangular articles are also disclosed.

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Inventors: Carlson, Bayard L. (Wilsonville, OR, US)

Application Number: 739085
Filing Date: 1976-11-05
Publication_date: 1978-04-04
Assignee: AMFAC Foods, Inc. (Portland, OR)
Primary Class(es): 206/585 53/202, 53/396, 206/454, 206/526, 206/586, 206/806, 206/822, 220/23.6, 220/23.83, 220/659, 220/670, 426/108
Other Classes:
US Patent Ref:

888855	May, 1908	Sisco	206/593.
2027342	Jan, 1936	Hopkins	206/526.
2644443	Jul, 1953	Barnsteiner	220/72.
2835594	May, 1958	Felt et al.	426/108.
2974789	Mar, 1961	Reifers	206/504.
3351265	Nov, 1967	Miller	426/129.
3385678	May, 1968	Sorenson	206/504.
3389825	Jun, 1968	Whiteford	220/23.
3419176	Dec, 1968	Lipfert et al.	206/504.
3563445	Feb, 1971	Clayton	220/72.
3759416	Sep, 1973	Constantine	220/72.

Other Refs:
Primary Examiner: Price, William
Assistant Examiner: Moy, Joseph M.
Attorney: Klarquist, Sparkman, Campbell, Leigh, Hall and Whinston