Envelopes – wrappers – and paperboard boxes – Paperboard box
Patent
1985-08-16
1986-08-26
Price, William
Envelopes, wrappers, and paperboard boxes
Paperboard box
190116, 229 45R, 229 52A, 229115, 297118, 297193, B65D 548, B65D 546, A47C 762
Patent
active
046077847
ABSTRACT:
A cross-shaped rigid sheet is creased and folded in rectangular sections. An elongated rectangle is subdivided into four small rectangles: three wall-forming rectangles and one interior-support-forming rectangle. Interconnection by tabs and slots forms a box structure of triangular cross-section. End-forming rectangles are creased to form a triangular end with two triangular tabs. The triangular tabs are inserted in wall slots to close both ends. An interior support wall stretches from an apex of the triangle to the middle of an opposite wall. Aligned hand slots through two exterior walls and the intermediate interior support form a handle means. Alternately an external carrying handle may be attached to the box structure. A rigid support strip with a handle recess may be used for lifting reinforcement. Holes in the triangular tabs make them easier to pull out of the slots. Protrusions from the walls through the triangular tab holes serve as a locking means. Alternatively, or additionally, slots in the triangular tabs interlock with the slots in the box to lock in the tabs. An attached strap facilitates carrying the box or attaching the box to an external carrying or storage means. Holes in the walls or ends permit use as a pet carrying box.
REFERENCES:
patent: 593489 (1897-11-01), Noland
patent: 763142 (1904-06-01), Bisler
patent: 1996997 (1935-04-01), Inman
patent: 2312598 (1943-03-01), Sprague
patent: 3185378 (1965-05-01), Rosenburg, Jr.
patent: 3428235 (1969-02-01), Randazzo
patent: 3550834 (1970-12-01), McCall
patent: 3730418 (1973-05-01), Spencer
patent: 4179061 (1979-12-01), Gilbert
Elkins Gary E.
Meeker Donald W.
Price William
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