Pallet stretch wrapping machine

Details Pallet stretch wrapping machine Pallet stretch wrapping machine

1997-07-21

1998-08-18

Johnson, Linda

Package making

Apparatus for contraction of cover by stretching or shrinking

53587, 533894, B65B 5300

Patent

active

057944180

ABSTRACT:
A pallet stretch wrapping machine includes a turntable attached to a lower portion of a column for supporting an article to be wrapped thereon. A frame is vertically movably mounted in the column and includes an upper housing, a lower housing, and a vertical wall connecting between the upper and lower housings. A plurality of upright rollers are rotatably mounted between the upper and lower housings. An upright post is fixedly mounted on the lower housing for supporting a spool. A roll of resilient film is wrapped around the spool and extends through each of the rollers which can co-operate to deliver the roll of resilient film to envelop the article by turning the turntable. A velocity adjusting mechanism is mounted between the upper and lower housings for adjusting a rotational velocity of each of the rollers for delivering the roll of resilient film.

REFERENCES:
patent: 4409777 (1983-10-01), White et al.
patent: 4590746 (1986-05-01), Humphrey
patent: 4727254 (1988-02-01), Lancaster
patent: 4934123 (1990-06-01), Salzsauler
patent: 5005335 (1991-04-01), Yourgalite et al.
patent: 5107657 (1992-04-01), Diehl et al.
patent: 5448873 (1995-09-01), Jennings et al.

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