B - Operations – Transporting – 31 – D
Patent
B - Operations, Transporting
31
D
154/30.01
B31D 3/02 (2006.01) B29C 51/22 (2006.01) B32B 3/12 (2006.01) B32B 3/28 (2006.01)
Patent
CA 1191437
AIR CELL CUSHIONING PRODUCT, APPARATUS AND METHOD Abstract of the Disclosure A method and apparatus for the production of air cell cushioning material, for protective cushioning purposes in pack- aging 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 embos- ed film on a rotatable forming drum to a predetermined tempera- ture range prior to applying a sealing laminating film to the cool- ed 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 re- started to again commence production of the air cell product. The apparatus and method utilize clear thermoplastic single st- racum film, and result in an effective air cell cushioning product which possesses extremely good clarity even after the heat- ing and pressure steps utilized in the production of the product.
414203
Macrae & Co.
Ranpak Corp.
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