Method and apparatus for making an air cell cushioning product

Details Method and apparatus for making an air cell cushioning product Method and apparatus for making an air cell cushioning product

1981-12-21

1984-01-24

Dawson, Robert A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156210, 156245, 156285, 156292, 1563084, 1563099, 156322, 156324, 156471, 156499, 156553, 428166, 428172, 428178, B32B 3100, B32B 328

Patent

active

044274742

ABSTRACT:
A method and apparatus for the production of air cell cushioning material, for protective cushioning purposes in packaging or other purposes, with the air cell product being formed from flexible, single stratum sheet of low density, low melting point thermoplastic, such as low density polyethylene film. The method and apparatus include an arrangement for cooling an embossed film on a rotatable forming drum to a predetermined temperature range prior to applying a sealing laminating film to the cooled embossed film, and are such that the apparatus can be halted in its operation without injurious effects to any substantial amount of the air cell product being produced, and can be restarted to again commence production of the air cell product. The apparatus and method utilize clear thermoplastic single stratum film, and result in an effective air cell cushioning product which possesses extremely good clarity even after the heating and pressure steps utilized in the production of the product.

REFERENCES:
patent: 3416984 (1968-12-01), Chavannes et al.
patent: 4314865 (1982-02-01), Ottaviano

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