Process and apparatus for sterilizing a thermoplastic band

Details Process and apparatus for sterilizing a thermoplastic band Process and apparatus for sterilizing a thermoplastic band

1976-12-15

1979-05-22

Kittle, John E.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

219243, 219388, 264555, 432 8, 432 59, 432 60, 432228, 422 1, 53556, B65B 4702, B65B 4708

Patent

active

041557867

ABSTRACT:
The invention relates to a process and an apparatus for sterilizing a thermoplastic band used in the production of sterile packs.
During the sterilization operation in the sterilization zone the edge of the thermoplastic band which subsequently forms the inside of the pack is applied to a movable sterilization support which is heated to the sterilization temperature and accompanies the band over part of its path to the shaping station located in the sterile enclosure and the contact being maintained between the support and the band until the latter enters the sterile enclosure.
The sterilization installation comprises a sterilization zone, a thermoplastic band and conveying and guidance means for said band to said zone and heating means which heat the band to the sterilization temperature, whereby in the sterilization zone at least one of the parts of the thermoplastic band conveying means is constructed as a movable sterilization support which comes into contact with the band and extends transversely over the entire width of the band, the heating means being located in the vicinity of the sterilization support.

REFERENCES:
patent: 3653175 (1972-04-01), Rogiers
patent: 3687426 (1972-08-01), Bemberg
patent: 3805486 (1974-04-01), Mahaffy et al.
patent: 3859774 (1975-11-01), Bausch
patent: 3947249 (1976-03-01), Egger
patent: 4001546 (1977-01-01), Johnson et al.
patent: 4045945 (1977-09-01), Moller et al.

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