Envelopes – wrappers – and paperboard boxes – Wrapper – Bottle
Patent
1986-09-24
1988-01-12
Marcus, Stephen
Envelopes, wrappers, and paperboard boxes
Wrapper
Bottle
229199, B65D 546
Patent
active
047185970
ABSTRACT:
The blank produces a box having on at least one of its sides, near its upper portion, a hand grasping aperture substantially vertically centered with respect to the side. Between the aperture of at least one side and the top edge of this side, on the innermost ply of the fibreboard, a load diffusing reinforcing band extends along the sides, thereby defining an endless circumferential band enabling diffusion of the load and tear prevention of the box, and particularly on portions having critical stress points. Between the aperture of at least one side and the top edge of this side, on one of the plies of the fibreboard, but away from the innermost ply and not adjacent thereto, vis-a-vis the load diffusing reinforcing band, a constraining reinforcing band extends along the sides thereby defining an endless circumferential band constraining the sides of the box and strengthening the fibreboard above the hand grasping aperture and its vicinity. This construction provides extended life over the conventional construction.
REFERENCES:
patent: 698266 (1902-04-01), Elliott
patent: 2110556 (1938-03-01), Scheinman et al.
patent: 2308050 (1943-01-01), Burr
patent: 2710135 (1955-06-01), Gaylord
patent: 3266708 (1966-08-01), Ellis
patent: 3301452 (1967-01-01), Jester
patent: 3504844 (1970-04-01), Stark et al.
patent: 3700536 (1972-10-01), Bentvelzen et al.
patent: 4160519 (1979-07-01), Gorham
patent: 4550048 (1985-10-01), Nakagawa
Domtar Inc.
Elkins Gary E.
Marcus Stephen
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