Apparatus for fitting stretchable sleeves

Details Apparatus for fitting stretchable sleeves Apparatus for fitting stretchable sleeves

2006-05-09

2006-05-09

Gerrity, Stephen F. (Department: 3721)

Package making

Apparatus for contraction of cover by stretching or shrinking

C053S567000, C053S585000

Reexamination Certificate

active

07040078

ABSTRACT:
Method and apparatus for fitting stretchable sleeves on containers in the form of a substantially prismatic or cylindrical carton, the opening of which is at least partially surrounded by a rim projecting out towards the exterior. Sleeves are cut from a stretchable sheath and stretched to assume a section slightly bigger than the section of the carton. The sleeve is placed on the carton by moving it from above the base in the direction towards the rim. The apparatus comprises a sheath feed and a sleeve cutting device, a transfer drum equipped with transfer elements, and a placing turret equipped with placing units with two placing elements, each having a stretching tool and a clamping block. A container feed positions the containers, in steps, in synchronization with the placing elements, in the placing zone, the base of the container being turned towards the placing elements.

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