Packaging machines

Details Packaging machines Packaging machines

1977-12-05

1979-08-28

Culver, Horace M.

Package making

Apparatus for contraction of cover by stretching or shrinking

53567, 53574, B65B 5300

Patent

active

041655958

ABSTRACT:
A packaging machine is described in which articles or groups of articles are wrapped in a sleeve of stretch-wrap material. The machine includes a sleeve feeding and cutting assembly for drawing the leading end portion from a roll of stretch-wrap tubing, for opening the leading end, and for severing the leading end portion from the remainder of the roll to form a sleeve. A gripping assembly grips the open leading end and draws the sleeve onto a pair of relatively movable stretching plates. The plates are movable apart to stretch the sleeve to a size greater than the article or group of articles that it is required to wrap. A pusher is arranged to push the article or group of articles into the stretched sleeve. A discharge assembly is arranged to draw the sleeve and article or articles in unison away from the stretching plates.

REFERENCES:
patent: 2982068 (1961-05-01), Pape et al.
patent: 3201914 (1965-08-01), Lohse et al.
patent: 3557526 (1971-01-01), Hartmann
patent: 3774367 (1973-11-01), Lerner

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