A device for applying a sheet of covering material (4, 40) to boxes (1) having at least one wall (2, 200) with an outside surface (5, 50), an inside surface (6, 60) and a free edge (3, 30) intermediate between the surfaces (5, 6; 50, 60) comprises one or more elements (10, 100) for folding a flap (7
A device for applying a sheet of covering material (4, 40) to boxes (1) having at least one wall (2, 200) with an outside surface (5, 50), an inside surface (6, 60) and a free edge (3, 30) intermediate between the surfaces (5, 6; 50, 60) comprises one or more elements (10, 100) for folding a flap (7, 70) of the sheet (4) around the intermediate edge (3, 30) so that the flap (7, 70) is made to cover the edge (3, 30) and then applying the flap (7, 70) to the inside surface (6, 60) of the wall (2, 200).
대표청구항▼
What is claimed is: 1. A packaging box covering device for covering a free edge intermediate between an outside surface and an inside surface of a wall of a box, the device comprising one or more elements for folding a flap of a covering sheet around the intermediate edge so that the flap is made t
What is claimed is: 1. A packaging box covering device for covering a free edge intermediate between an outside surface and an inside surface of a wall of a box, the device comprising one or more elements for folding a flap of a covering sheet around the intermediate edge so that the flap is made to cover the edge and then applying the flap to the inside surface of the wall; the folding elements comprising at least one wing rotatably mounted, with a return spring, on a pin attached to a support mobile at right angles to the wall, the device further comprising a guide recess in which the wing slides in a first closed configuration, the wing being driven in a straight line at right angles to the wall until said wing is outside the guide recess and rotationally, under the action of the spring about an axis parallel to the edge so as to fold the flap down against the inside surface of the wall. 2. The device according to claim 1, wherein the folding elements are driven rotationally about an axis parallel to the edge. 3. The device according to claim 1, wherein the folding elements are driven in a straight line at right angles to the wall. 4. The device according to claim 1, wherein the folding elements are driven in a straight line at right angles to the wall in contact with the edge so as to apply the flap to the edge. 5. The device according to claim 1, comprising a pair of wings that slide inside the guide recess and where the rotational movement causes the wings to open out in such a way as to cover opposite edges of a box. 6. The device according to claim 5, wherein the guide recess in which the wings slide is made in a block that moves at right angles to the wall in such a way as to press a plurality of covering flaps against the outside surfaces of the wall. 7. The device according to claim 6, wherein the guide recess is a rectangular open top bushing housed stably in the block. 8. The device according to claim 1, wherein the support consists of a blade mounted above the wings in order to fold a flap of the sheet and to cover an upper edge of the walls (2). 9. The device according to claim 8, comprising a second blade positioned below and in front of the wings and moving as one with the latter in a straight line in such a way as to fold a flap to cover a lower edge of the box. 10. The device according to claim 1, wherein the folding elements and the guide recess are made of materials with a low coefficient of reciprocal friction. 11. The device according to claim 10, wherein the folding elements are made of steel and the guide recess is made of aluminium bronze. 12. The device according to claim 1, wherein the folding elements are driven reversibly in a straight line in such a way that they slide out of the guide recess. 13. The device according to claim 1, wherein one lateral half of the recess is slightly ahead of the other with respect to the direction of straight-line motion of the block. 14. The device according to claim 1, wherein at least one pin is positioned slightly ahead of the other with respect to the direction of straight-line motion of the support.
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이 특허에 인용된 특허 (5)
Canning Timothy A. (5109 Sandlewood Dr. Raleigh NC 27609) Hartman Andrew F. (Elgarstraat 16 5653 AH Eindhoven NLX) Williams Ken (3523 Mill Run Raleigh NC 27612) Elliot Harry R. (325 Valley Green Rd. , Apparatus and method for erecting boxes.
Williams Donald F. (15 W. Mason St. Santa Barbara CA 93102) Phy Charles L. (Rte. 2 ; Box 143 McEwen TN 37101), Method and apparatus for forming paper boxes and the like.
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