摘要:
A product wrapping method and device for producing tubular wrappings, whereby a first and second opposite longitudinal portion of a wrapping element, folded in a U about a respective product inside a respective seat on a wrapping conveyor, project outwards through the input opening of the seat, and are folded one on top of the other into an overlapping position by a folding unit, a first fixed folding device of which folds the first portion located downstream in the traveling direction of the conveyor, and a second folding device of which, fitted to the conveyor, folds the second portion down on top of the first, and holds it in this position for a given length of time. (FIG. 1 ).
摘要:
A machine for wrapping substantially parallelepiped box elements, typically packs of cigarettes, comprises a push rod by which each box is directed against a respective wrapper of heat-sealable material, and directed together with the wrapper into a pocket, also folders by which the wrapper is closed into a tubular sheath around the box, and a heat-seal device by which the overlapping edges of the wrapper are secured to one another. The folding and heat-seal steps both take place while the box remains positioned in the pocket, with the folders and heat-seal device operating sequentially and in such a way that the overlapping extremities of the wrapper are secured before bring released by the folders, thereby ensuring that the wrapper remains taut.
摘要:
The notching device effects transverse cuts in strip wrapping material, and in particular, along the length of a continuous strip of transparent outer wrapping material incorporating a longitudinal tear-open ribbon, which is severed with each cut. Use is made of an incision roller fitted with at least one peripheral blade, and a pressure roller mounted rotatably to a shaft having two distinct, coaxial end sections that are carried by a support in such a way as to permit adjustment of their angular position; the shaft also has an intermediate section which is embodied skew in relation to the two end sections, and it is to this skew section that the pressure roller is mounted.
摘要:
A method and device for laterally joining product wrappings, whereby the connection of two overlapping longitudinal portions of a tubular wrapping defined by a sheet of wrapping material wrapped about the product inside a wrapping seat is at least completed as the wrapped product is unloaded from the wrapping seat by a heated counterpusher.
摘要:
A method of producing cartons of packets of cigarettes, whereby a blank, folded in a U about a respective group of packets so as to leave three exposed surfaces from each of which at least two tabs of the blank project outwards, is finish-folded, over at least one of the exposed surfaces, by a respective single folding head having a folding device for each tab, and which provides for folding the tabs in the course of one linear movement in a direction parallel to the tabs for folding and to the respective exposed surface, and with the blank maintained stationary, together with the respective group of packets, in a folding station.
摘要:
Intended typically for slender tear strips, the automatic splicer comprises at least two supply reels wound with respective strips, the one in use and the other a replacement, set in rotation singly or together by a common drive, and feed wheels with peripheral grooves positioned with axes normal to the axes of the reels, by which the two strips are directed into a splicing station where the trailing end of the strip uncoiling from the reel in use is joined to the leading end of the strip uncoiled from the replacement reel; the splice is effected by means of a positioning and restraining component and a reference and reaction component stationed on either side of the strip in use, which can be drawn together until the ends of the strips are fully in contact, with the leading end of the replacement strip positioned and restrained in a longitudinal groove afforded by the relative component. The ends of the strips are trimmed automatically by separate cutters.
摘要:
A device wherein at least one feedbox housing a stack of sheet elements presents a first and second wall parallel to each other, and an actuating device for moving the two walls in relation to and parallel to each other, so as to define a channel varying in width between a maximum and minimum value; the section of the channel at maximum width being approximately equal to but no smaller than the surface of the sheet element.
摘要:
A method and device for folding packing blanks along preformed bend lines, whereby a blank, before being positioned with its intermediate portion contacting the product, and folded in a U about the product with two lateral portions contacting the same, is engaged by two gripping and strain-relieving devices by which the two lateral portions are oscillated by a given angle about respective bend lines connecting the lateral portions to the opposite edges of the intermediate portion.
摘要:
A method of producing cartons of cigarettes, whereby groups of packets of cigarettes are formed wherein the packets are arranged in at least two side by side stacks, and wherein each packet in each stack is laid flat with its longer axis horizontal and aligned with the longer axis of a corresponding packet in the other stack; and each group is fed, crosswise to the longer axes of the packets and together with a flat blank from which to form a rigid hinged-lid wrapping, into a folding spindle, the bottom wall of which supports the group with the interposition of a panel of the blank corresponding to a lateral wall of the rigid wrapping.
摘要:
A method and device for producing cartons of cigarettes from respective groups of equioriented packets forming a first and second row arranged one on top of and contacting the other, whereby the two rows of packets in each group are parted to enable the first row to be rotated substantially 180.degree. in relation to the second prior to restoring the first row to the superimposed mutually contacting position.