Stretch wrapping apparatus

Details Stretch wrapping apparatus Stretch wrapping apparatus

1983-04-13

1985-10-15

Vlachos, Leonidas

Package making

Apparatus for contraction of cover by stretching or shrinking

53390, 53441, B65B 5300

Patent

active

045465983

ABSTRACT:
Stretch wrapping apparatus comprising a puckering device and an expandible rectangular frame demountably supported on the puckering device. Belts on the puckering device are provided to feed a length of plastic film tube onto pillars on the expandible frame to form a puckered band as a sub-base supporting the belts is raised relative to the pillars. A drive housed in the puckering device disengagably connected to jacking means on the puckering frame is provided to expand the frame and stretch the band to a size such that the expanded frame and the puckered band thereon can pass freely over the article to be wrapped.

REFERENCES:
patent: 3925964 (1975-12-01), Birkenfeld et al.
patent: 3961459 (1976-06-01), Wolske
patent: 4050219 (1977-09-01), Higgins
patent: 4309861 (1982-01-01), Karpisek

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