Film wrap machine

Details Film wrap machine Film wrap machine

1978-02-21

1985-03-05

Sipos, John

Package making

Methods

Applying a partial cover

53441, 53556, 53587, B65B 1104

Patent

active

045022640

ABSTRACT:
Stretch band wrapping apparatus having, in cooperative action with a rotary load support platform and film roll supporting spool, a restraining brake on the spindle, and an elongated, controlled-restraint tension roll intermediate the spindle and platform. The tension roll has a friction surface engaging the width of the film stock unrolled from a roll of film on the spindle, and a restraining brake, the film being kept in engagement with the friction surface by a slight braking action on the spindle, such that a constant tension is applied across the width of the film during stretch wrapping of a load rotating on the platform.

REFERENCES:
patent: 3589091 (1971-06-01), Cloud
patent: 3672116 (1972-06-01), Ingmarson
patent: 3910005 (1975-10-01), Thimon et al.
patent: 4050221 (1977-09-01), Lancaster et al.
patent: 4077179 (1978-03-01), Lancaster et al.

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