Shrink tunnel

Details Shrink tunnel Shrink tunnel

1979-07-03

1981-04-28

Schwartz, Larry I.

Drying and gas or vapor contact with solids

Apparatus

Houses, kilns, and containers

34233, F26B 1518

Patent

active

042637252

ABSTRACT:
This invention relates to a shrink tunnel for heat shrinking film about products to form packages. Most particularly, this invention relates to a shrink tunnel for forming a package of a plurality of cans having a shrink film wrapped thereabout. The tunnel is particularly adapted for effecting the required shrinking of the shrink film about the cans to form a tight package while at the same time being so constructed to prevent undue distortion of a central portion of the shrink wrap whereby the shrink wrap may have a universal product code preprinted thereon with the product being substantially undistorted and readily scannable by a conventional electronic scanner to determine product identification and price.

REFERENCES:
patent: 3222800 (1965-12-01), Siegel et al.
patent: 3309835 (1967-03-01), Peppler
patent: 3399506 (1968-09-01), Howe, Jr.

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