Envelopes – wrappers – and paperboard boxes – Paperboard box – Window or transparent portion
Patent
1994-08-08
1996-01-02
Elkins, Gary E.
Envelopes, wrappers, and paperboard boxes
Paperboard box
Window or transparent portion
206806, 229114, 229160, B65D 542
Patent
active
054800900
ABSTRACT:
A wrapping to be used as packaging (6) has a flat backing part (1A) and another shaped flat part (1B). A window (4) can be made in the flat backing part (1A). These two parts (1A, 1B) are formed from a single piece which has been punched out and folded from a flat sheet (1) of packaging material. The use of cardboard is preferred since it is possible to use recycled paper material without detracting from the aesthetic appearance of the package.
REFERENCES:
patent: 2996236 (1961-08-01), Barr
patent: 3253769 (1966-05-01), Opler
patent: 3572576 (1971-03-01), Foster
patent: 3933303 (1976-01-01), Kirby, Jr.
patent: 4300716 (1981-11-01), Jennings
patent: 4457431 (1984-07-01), Lundquist et al.
patent: 5193671 (1993-03-01), Patterson
patent: 5249738 (1993-10-01), Werth
The Wiley Encyclopedia of Packaging Technology, John Wiley & Sons, pp. 565-568 (1986).
Roda Franco
Taddei Renzo
Elkins Gary E.
Fratelli Roda S.A.
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