Package making – Interrelated or safety controls
Patent
1976-06-23
1977-10-11
McGehee, Travis S.
Package making
Interrelated or safety controls
53 24, 53 37, B65B 124, B65B 6304, B65B 6308
Patent
active
040528359
ABSTRACT:
A single sheet of standard grade plastic laminate material is bent at two locations to form it into a side wall and two end walls corresponding to the side wall and two end walls of a bathtub recess. Following forming, one end wall portion of the wall covering is loosely folded over the opposite end wall portion. Then, the partially folded wall covering is pushed endwise into a rectangular cardboard box having a normal thickness which is substantially smaller than the initial depth of the partially folded wall covering. The box with the partially folded wall covering inside is moved through a rectangular opening provided in a rigid mandril, sized to be substantially equal to the normal outside dimension of the box. The mandril forces the outwardly bulging side walls of the box inwardly and reshapes both the side walls of the box and the side and end walls of the partially folded wall covering therein. In so doing, the end walls of the wall covering are slid in position an amount sufficient to cause the side and partially overlapped end walls of the wall covering to bow inwardly until the wall covering has assumed a new configuration which is substantially within the normal rectangular shape of the box. The frictional contact between the backing layer of the wall covering and inner surface portions of the box in contact therewith serve to hold the wall covering in such new configuration, so that the box will retain a substantially rectangular shape.
REFERENCES:
patent: 1965214 (1934-07-01), Bishop et al.
patent: 2127401 (1938-08-01), Gillican
patent: 2329311 (1943-09-01), Waters
patent: 2933866 (1960-04-01), Cranston, Jr.
patent: 3068624 (1962-12-01), Linda
patent: 3077709 (1963-02-01), Kauffeld
patent: 3167896 (1965-02-01), Marcalus
Culver Horace M.
McGehee Travis S.
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