Package making – Wrapping machines – Cover-wiping passage or pocket for initial wrap
Patent
1974-11-08
1976-08-31
Gilden, Leon
Package making
Wrapping machines
Cover-wiping passage or pocket for initial wrap
53230, B65B 1136
Patent
active
039771598
ABSTRACT:
An intermittently rotating wrapping head has a plurality of movable peripheric radial grippers carried in succession to halt at an infeed station in order to grasp individual products around which wrapping material has been folded in a U by an infeed channel. A wrapping track then fashions a `soap` or `diamond` wrap for this purpose, a pair of folding fingers is provided along the wrapping track, on opposite sides of the infeed channel. Each folding finger consists of a blade placed tangentially to the path described by the individual products as they move between the grippers of the wrapping head and of two plate shaped members positioned above the blade, spaced at a distance equal to the dimension of the individual products perpendicularly to the movement plane of the wrapping head. The folding finger upstream of the infeed channel reciprocates in time with the movement of the wrapping head so as to fold with its blade member the part or prong on one side of the U wrap and, at the same time, with its plate shaped members to fold the corresponding lateral zones of the wrapping material close to the product. The other prong in the U and the lateral zones thereto are folded in like fashion by the other folding finger, which is fixed. Below the fixed folding finger further folding means are provided to fold in succession the resulting upper and lower lateral flaps in a radial direction close to the products themselves.
REFERENCES:
patent: 2603047 (1952-07-01), Malhiot
patent: 2875567 (1959-03-01), Brook et al.
Adams Bruce L.
Burns Robert E.
G. D. Societa per Azioni
Gilden Leon
Lobato Emmanuel J.
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