Twin roll laminated packaging process

Details Twin roll laminated packaging process Twin roll laminated packaging process

1986-07-25

1988-02-09

Bell, Paul A.

Package making

Apparatus for contraction of cover by stretching or shrinking

53210, 53557, B65B 1312

Patent

active

047233931

ABSTRACT:
Process and apparatus for an orbital stretch wrapper to form two superimposed layers of opposite pitch on items or bundles. Shrinkable film is drawn off two separate supply rolls under tension simultaneously in opposing rotational directions. The rolls are placed successively along the length of a conveyor belt separated by at least one width of the film.

REFERENCES:
patent: 934683 (1909-09-01), Lutz
patent: 1671376 (1928-05-01), Parker
patent: 2026469 (1935-12-01), Hamilton
patent: 3216307 (1965-11-01), Griffith
patent: 4050220 (1977-09-01), Lancaster et al.

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