Device for making a side fold
A device for making side folds in a wrapper when an object e.g. a sweet, is being wrapped comprises a continuously rotating wrapping wheel (11) including clamping lever pairs (13,14) and a folding wheel (17,18) each side of, and coaxial with, the wrapping wheel (11). The folding wheels (17,18) rotat...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | A device for making side folds in a wrapper when an object e.g. a sweet, is being wrapped comprises a continuously rotating wrapping wheel (11) including clamping lever pairs (13,14) and a folding wheel (17,18) each side of, and coaxial with, the wrapping wheel (11). The folding wheels (17,18) rotate at the same circumferential speed as the wrapping wheel (11). The clamping surfaces of the clamping levers (13,14) hold a sweet (1) by its largest side faces (5) and the folding levers (22) which are pivotally mounted on the folding wheels (17,18) pivot about an axis (24) which is perpendicular to the rotation axis (15) of the wrapping wheel (11) thus forming a side fold in the wrapper. The axis (24) is preferably arranged at an offset (V) from the rotation axis (15) of the wrapping wheel (11) and the pivoting movement of the folding levers (22) is preferably brought about by a tension rod (28) which co-operates with a cup-shaped cam (32) via a compression spring (29) and a lever (33). |
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