Vacuum holding apparatus for wrapping cigarette packs in blanks

Details Vacuum holding apparatus for wrapping cigarette packs in blanks Vacuum holding apparatus for wrapping cigarette packs in blanks

1978-09-06

1980-01-15

Sipos, John

Package making

Wrapping machines

Cover-wiping passage or pocket for initial wrap

53222, 53234, B65B 1128

Patent

active

041831918

ABSTRACT:
A cigarette pack 10 is pushed against a transversely held blank 11 of cellophane or polyethylene whereby the blank forms a U-shaped wrapping around the pack with outwardly extending end flaps 12, 13, 14 and side flaps 15, 16, and is thereafter inserted into a radial pocket 19 of an indexing turret 20. When the bottom side flap 16 is folded against the side of the pack by finger 23, it is held in position by its end flaps 14 engaging the end faces 27, 28 of folding cams 25, 26 through which vacuum pressure is applied. The suction is maintained until the top side flap 15 is subsequently folded over the pack by a guide member 24 and sealed to the flap 16 along a joint 17. The cams also serve to fold the flaps 12 against the ends of the pack as it is being inserted into the pocket.

REFERENCES:
patent: 1984850 (1934-12-01), Van Buren
patent: 3735767 (1973-05-01), Kruse et al.
patent: 3877354 (1975-04-01), Schmermund
patent: 4085568 (1978-04-01), Focke et al.

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