Packing machine

Details Packing machine Packing machine

2006-06-20

2006-06-20

Gerrity, Stephen F (Department: 3721)

Package making

Wrapping machines

Cover-wiping passage or pocket for initial wrap

C053S225000, C053S228000

Reexamination Certificate

active

07062890

ABSTRACT:
A packing machine provided with a wrapping conveyor moving along a wrapping path and having a plurality of recesses each of which is designed to receive a respective article together with a respective wrapping sheet; and with a plurality of folding stations successively arranged along the wrapping path, each folding station comprising folding units arranged to cooperate with the wrapping sheets to fold the same around respective articles; the folding unit in at least one of the folding station has a folding device presenting a fixed block and a movable block defining respective contiguous flat surfaces blending along a fold line; the movable block is activated by an articulated parallelogram actuating device having two connecting rods connected by cranks hinged to the fixed block to rotate, with respect to the fixed block, about respective axes parallel to the fold line; the movable block being hinged to the two connecting rods, and defining a further crank rotating, with respect to the fixed block, about an axis coincident with the fold line.

REFERENCES:
patent: 4962634 (1990-10-01), Boldrini et al.
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patent: 5549537 (1996-08-01), Focke et al.
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patent: 5771666 (1998-06-01), Bertuzzi et al.
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patent: 6698158 (2004-03-01), Spatafora
patent: 195 29 798 (1996-03-01), None
patent: 0 933 296 (1999-08-01), None
patent: 1 319 597 (2003-06-01), None
patent: 1 321 364 (2003-06-01), None
patent: 1 321 365 (2003-06-01), None
patent: 2.019.941 (1970-07-01), None
English Abstract of DE 195 29 798 dated Mar. 7, 1996.

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